What’s the top stopover airport for flights from Washington, D.C. Dulles Intl Airport to Singapore?

Doha (DOH) – chosen by Cheapflights users on 75% of one-stop itineraries from Washington, D.C. Dulles Intl Airport to Singapore on Cheapflights. Find deals

What’s the fastest stopover option from Washington, D.C. Dulles Intl Airport to Singapore?

Flights via Doha (DOH) have the shortest average one-way travel time for one-stop routes: 21h 35m. Find deals

What’s the cheapest stopover airport for flights from Washington, D.C. Dulles Intl Airport to Singapore?

Istanbul (IST) is the most affordable one-stop option, with an average return flight price of S$ 2,141. Find deals

Which airport typically offers the quickest stopover for flights from Washington, D.C. Dulles Intl Airport to Singapore?

Flights via Istanbul (IST) offer the fastest connection on this route, with an average stopover time of 2h 10m. Find deals

How long is the flight from Washington, D.C. Dulles Intl Airport to Singapore?

There are many flights that can get you from Washington, D.C. Dulles Intl Airport to Singapore in 23h 40m. Fly via Turkish Airlines, Air Canada, or Qatar Airways to get the fastest option. There are 15521 km between Washington, D.C. Dulles Intl Airport and Singapore. This flight may include one or multiple stops.

What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to Singapore round-trip?

Qatar Airways, at S$ 1,353, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Singapore.. Qatar Airways is priced at 12% lower than the current average price of a flight leaving 3 months from now.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Singapore?

Travellers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Singapore flight should consider departing on Tuesday evenings when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Singapore ranges from 150.0 - 269.0 inches per month. December is typically the wettest month, when rainfall can reach 269.0 mm. July is typically the driest time to visit Singapore when rainfall is around 150.0 mm.

If weather is an important factor for your trip to Singapore, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 26.0 C).

What is the cheapest time of day to fly from IAD to SIN?

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Singapore is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at midday could potentially save you up to 27% on airfare.

What airport do you fly into for flights to Singapore from Washington, D.C. Dulles Intl?

Located just 16.9 km from the city centre, Singapore Changi is the airport most travellers will use when flying to Singapore from Washington, D.C. Dulles Intl. Booking flights from Washington, D.C. Dulles Intl to Changi (SIN) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Dulles Intl from 1 airline.

Can I find deals for flights from Dulles Intl to Singapore that include hotel bookings?

Yes. In addition to deals on Dulles Intl to Singapore flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Dulles Intl to Singapore?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Singapore.

Can I find deals for business class flights from Dulles Intl to Singapore?

Yes. Cheapflights offers flight deals from Dulles Intl to Singapore by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

S$ 539+ Cheap Flights from Washington, D.C. Dulles Intl Airport to Singapore

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Singapore Changi are usually found in November or October, booked 83 days in advance, depart on a Monday or Tuesday and return on a Friday

Cheap flight deals from Dulles Intl to Singapore

Round-trip from	S$ 1,177
One-way from	S$ 539
Popular in	December
Cheapest in	November
Average price	S$ 1,507

IndiGo
14-10-25-10
4 total stops
68h 05m total
Washington, D.C. to Singapore

Search Deals

IndiGo
16-11
2 total stops
31h 10m total
Washington, D.C. to Singapore

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (S$ 95 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (S$ 85 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Dulles Intl to Singapore

Cheapest flights from Dulles Intl to Singapore
Explore the most affordable flight options available from Dulles Intl to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.

Tue 14-1021:40IAD - SIN

2 stops31h 35mIndiGo

Sat 25-1019:45SIN - IAD

2 stops36h 30mIndiGo

Deal found 17-9S$ 1,177

Sat 8-1113:30IAD - SIN

2 stops38h 50mIndiGo

Tue 18-1119:40SIN - IAD

2 stops36h 35mIndiGo

Deal found 18-9S$ 1,193

Sat 11-1013:30IAD - SIN

2 stops39h 45mIndiGo

Mon 13-1019:45SIN - IAD

2 stops36h 00mIndiGo

Deal found 17-9S$ 1,207

Sat 8-1118:13IAD - SIN

1 stop34h 32mSingapore Airlines

Tue 18-1109:00SIN - IAD

1 stop34h 23mSingapore Airlines

Deal found 16-9S$ 1,237

Tue 23-922:05IAD - SIN

1 stop23h 35mEtihad Airways

Wed 1-1021:10SIN - IAD

1 stop31h 00mEtihad Airways

Deal found 15-9S$ 1,272

Tue 14-1021:40IAD - SIN

1 stop23h 05mMultiple Airlines

Sat 25-1019:45SIN - IAD

2 stops36h 30mMultiple Airlines

Deal found 17-9S$ 1,276

Wed 1-1013:30IAD - SIN

2 stops39h 45mIndiGo

Fri 3-1019:45SIN - IAD

2 stops36h 00mIndiGo

Deal found 17-9S$ 1,298

Wed 24-911:00IAD - SIN

1 stop22h 00mQatar Airways

Wed 1-1003:10SIN - IAD

1 stop24h 30mQatar Airways

Deal found 16-9S$ 1,303

Wed 29-1022:10IAD - SIN

2 stops31h 10mIndiGo

Thu 20-1119:45SIN - IAD

2 stops36h 30mIndiGo

Deal found 17-9S$ 1,306

Fri 3-1013:30IAD - SIN

2 stops39h 45mIndiGo

Sat 18-1019:45SIN - IAD

2 stops36h 00mIndiGo

Deal found 17-9S$ 1,313

Tue 23-921:00IAD - SIN

1 stop30h 45mQatar Airways

Tue 30-903:10SIN - IAD

1 stop24h 30mQatar Airways

Deal found 15-9S$ 1,318

Best flights from Dulles Intl to Singapore
Discover carefully curated flight deals from Dulles Intl to Singapore that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2025.

Wed 12-1113:30IAD - SIN

1 stop31h 30mTurkish Airlines

Tue 18-1123:25SIN - IAD

1 stop25h 20mTurkish Airlines

Deal found 17-9S$ 1,321

Tue 11-1109:45IAD - SIN

2 stops26h 10mAir Canada

Tue 18-1108:50SIN - IAD

2 stops25h 04mAir Canada

Deal found 17-9S$ 1,386

Tue 11-1120:05IAD - SIN

1 stop23h 40mQatar Airways

Mon 17-1103:15SIN - IAD

1 stop25h 40mQatar Airways

Deal found 17-9S$ 1,427

Wed 5-1116:10IAD - SIN

1 stop26h 50mUnited Airlines

Mon 17-1110:10SIN - IAD

1 stop22h 16mUnited Airlines

Deal found 17-9S$ 1,436

Tue 11-1121:15IAD - SIN

1 stop31h 20mTurkish Airlines

Tue 18-1123:25SIN - IAD

1 stop25h 20mTurkish Airlines

Deal found 17-9S$ 1,321

Wed 12-1109:45IAD - SIN

2 stops26h 10mAir Canada

Tue 18-1108:50SIN - IAD

2 stops25h 04mAir Canada

Deal found 17-9S$ 1,386

Wed 12-1120:05IAD - SIN

1 stop23h 40mQatar Airways

Mon 17-1103:15SIN - IAD

1 stop25h 40mQatar Airways

Deal found 17-9S$ 1,427

Tue 14-1018:58IAD - SIN

1 stop23h 17mUnited Airlines

Mon 15-1210:10SIN - IAD

1 stop22h 16mUnited Airlines

Deal found 16-9S$ 1,436

Sun 15-220:05IAD - SIN

1 stop29h 50mQatar Airways

Mon 23-203:15SIN - IAD

1 stop25h 40mQatar Airways

Deal found 15-9S$ 1,433

Wed 5-1116:10IAD - SIN

1 stop26h 50mUnited Airlines

Thu 20-1110:10SIN - IAD

1 stop24h 15mUnited Airlines

Deal found 17-9S$ 1,436

Thu 29-120:05IAD - SIN

1 stop29h 50mQatar Airways

Tue 10-203:15SIN - IAD

1 stop25h 40mQatar Airways

Deal found 16-9S$ 1,433

Mon 13-1006:30IAD - SIN

1 stop23h 55mUnited Airlines

Wed 10-1210:10SIN - IAD

1 stop27h 46mUnited Airlines

Deal found 16-9S$ 1,436

Last-minute flights from Dulles Intl to Singapore
Discover last-minute flight deals from Dulles Intl to Singapore. Data last updated 18 September 2025 and is based on user searches.

Mon 22-922:05IAD - SIN

1 stop23h 35mEtihad Airways

Sun 5-1021:10SIN - IAD

1 stop31h 00mEtihad Airways

Deal found 17-9S$ 1,350

Mon 22-908:40IAD - SIN

2 stops28h 05mMultiple Airlines

Sun 5-1022:10SIN - IAD

1 stop29h 25mMultiple Airlines

Deal found 17-9S$ 1,372

Tue 23-922:05IAD - SIN

1 stop23h 35mEtihad Airways

Wed 1-1021:10SIN - IAD

1 stop31h 00mEtihad Airways

Deal found 15-9S$ 1,272

Tue 23-921:00IAD - SIN

1 stop30h 45mQatar Airways

Tue 30-903:10SIN - IAD

1 stop24h 30mQatar Airways

Deal found 15-9S$ 1,318

Tue 23-921:00IAD - SIN

2 stops30h 35mMultiple Airlines

Tue 30-903:10SIN - IAD

1 stop24h 30mMultiple Airlines

Deal found 15-9S$ 1,387

Tue 23-909:35IAD - SIN

2 stops27h 10mAir Canada

Wed 1-1006:15SIN - IAD

2 stops26h 50mAir Canada

Deal found 15-9S$ 1,403

Wed 24-911:00IAD - SIN

1 stop22h 00mQatar Airways

Thu 2-1018:45SIN - IAD

1 stop32h 55mQatar Airways

Deal found 16-9S$ 1,303

Wed 24-911:00IAD - SIN

1 stop22h 00mQatar Airways

Sat 27-903:10SIN - IAD

1 stop24h 30mQatar Airways

Deal found 16-9S$ 1,421

Wed 24-909:00IAD - SIN

2 stops27h 45mMultiple Airlines

Thu 2-1023:25SIN - IAD

1 stop32h 05mMultiple Airlines

Deal found 16-9S$ 1,426

Thu 25-913:30IAD - SIN

2 stops39h 45mIndiGo

Fri 3-1019:45SIN - IAD

2 stops36h 00mIndiGo

Deal found 17-9S$ 1,348

Thu 25-913:30IAD - SIN

1 stop40h 25mTurkish Airlines

Fri 3-1010:15SIN - IAD

1 stop45h 30mTurkish Airlines

Deal found 17-9S$ 1,398

Fri 26-911:00IAD - SIN

1 stop22h 00mQatar Airways

Sat 4-1010:30SIN - IAD

1 stop34h 10mQatar Airways

Deal found 16-9S$ 1,382

One-way flights from Dulles Intl to Singapore
Search for one-way flight options from Dulles Intl to Singapore. Find affordable one-way fares based on user searches. Data last updated 18 September 2025.

Sun 16-1121:10IAD - SIN

2 stops31h 10mIndiGo

Deal found 17-9S$ 539

Fri 3-1013:30IAD - SIN

2 stops39h 45mIndiGo

Deal found 17-9S$ 545

Sat 18-1021:38IAD - SIN

3 stops51h 42mMultiple Airlines

Deal found 17-9S$ 553

Thu 9-1021:40IAD - SIN

2 stops31h 35mIndiGo

Deal found 17-9S$ 558

Mon 29-913:55IAD - SIN

3 stops45h 25mMultiple Airlines

Deal found 16-9S$ 576

Sat 1-1107:10IAD - SIN

3 stops52h 30mMultiple Airlines

Deal found 16-9S$ 577

Sun 16-1117:29IAD - SIN

3 stops54h 31mMultiple Airlines

Deal found 17-9S$ 581

Sun 2-1117:29IAD - SIN

3 stops54h 31mMultiple Airlines

Deal found 17-9S$ 618

Thu 9-1006:15IAD - SIN

3 stops47h 00mMultiple Airlines

Deal found 15-9S$ 624

Thu 25-913:30IAD - SIN

2 stops39h 45mIndiGo

Deal found 17-9S$ 634

Thu 25-913:55IAD - SIN

3 stops33h 50mMultiple Airlines

Deal found 17-9S$ 636

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Singapore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 12-11

13:30-10:00

1 stop31h 30m

Singapore Changi

Tue 18-11

23:25-11:45

1 stop25h 20m

S$ 1,321

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 11-11

21:15-17:35

1 stop31h 20m

Singapore Changi

Tue 18-11

23:25-11:45

1 stop25h 20m

S$ 1,321

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 11-11

09:45-00:55

2 stops26h 10m

Singapore Changi

Tue 18-11

08:50-20:54

2 stops25h 04m

S$ 1,386

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 12-11

09:45-00:55

2 stops26h 10m

Singapore Changi

Tue 18-11

08:50-20:54

2 stops25h 04m

S$ 1,386

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 11-11

20:05-08:45

1 stop23h 40m

Singapore Changi

Mon 17-11

03:15-15:55

1 stop25h 40m

S$ 1,427

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 12-11

20:05-08:45

1 stop23h 40m

Singapore Changi

Mon 17-11

03:15-15:55

1 stop25h 40m

S$ 1,427

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 15-2

20:05-14:55

1 stop29h 50m

Singapore Changi

Mon 23-2

03:15-15:55

1 stop25h 40m

S$ 1,433

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 29-1

20:05-14:55

1 stop29h 50m

Singapore Changi

Tue 10-2

03:15-15:55

1 stop25h 40m

S$ 1,433

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 5-11

16:10-08:00

1 stop26h 50m

Singapore Changi

Mon 17-11

10:10-19:26

1 stop22h 16m

S$ 1,436

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 14-10

18:58-06:15

1 stop23h 17m

Singapore Changi

Mon 15-12

10:10-19:26

1 stop22h 16m

S$ 1,436

Flights are sorted by cheapest return flights first.

Deals found on 16-9

Showing 1-10 of 22 results

Best time to book a flight from Dulles Intl to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Dulles Intl with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Singapore

Prices

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Singapore?

Booking 82 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to Singapore. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Singapore

Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Singapore, such as Qatar Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Qatar Airways

7.4

Good

3,622 reviews

Check prices

Reviews

1 / 20

6.0

Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable

Qatar Airways

7.4

Good

3,622 reviews

Qatar Airways

7.4

Good

3,622 reviews

Check prices

Reviews

1 / 20

6.0

Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable

Related info for your journey

What airport do you fly into for flights to Singapore from Washington, D.C. Dulles Intl?
Located just 16.9 km from the city centre, Singapore Changi is the airport most travellers will use when flying to Singapore from Washington, D.C. Dulles Intl. Booking flights from Washington, D.C. Dulles Intl to Changi (SIN) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Dulles Intl from 1 airline.
How long is the flight from Washington, D.C. Dulles Intl Airport to Singapore?
There are many flights that can get you from Washington, D.C. Dulles Intl Airport to Singapore in 23h 40m. Fly via Turkish Airlines, Air Canada, or Qatar Airways to get the fastest option. There are 15521 km between Washington, D.C. Dulles Intl Airport and Singapore. This flight may include one or multiple stops.
What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to Singapore round-trip?
Qatar Airways, at S$ 1,353, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Singapore.. Qatar Airways is priced at 12% lower than the current average price of a flight leaving 3 months from now.
Can I find deals for flights from Dulles Intl to Singapore that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Singapore flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Singapore?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Singapore.
Can I find deals for business class flights from Dulles Intl to Singapore?
Yes. Cheapflights offers flight deals from Dulles Intl to Singapore by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Top airline flying from Dulles Intl to Singapore

Airline	Cheapest	Average	Flexibility	On-time
Qatar Airways	CheapestS$ 1,353	AverageS$ 2,206	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways flights

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How does Cheapflights help users find flights from Dulles Intl to Singapore?

Cheapflights makes it easy to find Dulles Intl to Singapore flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Dulles Intl to Singapore?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Dulles Intl to Singapore for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Dulles Intl to Singapore with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Dulles Intl to Singapore flexibly with Cheapflights today.

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Cheap flights from Washington, D.C. Dulles Intl Airport to Singapore from S$ 539

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16-11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Singapore Changi are usually found in November or October, booked 83 days in advance, depart on a Monday or Tuesday and return on a Friday

Cheap flight deals from Dulles Intl to Singapore

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Dulles Intl to Singapore

Cheapest flights from Dulles Intl to SingaporeExplore the most affordable flight options available from Dulles Intl to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.

Explore the most affordable flight options available from Dulles Intl to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Singapore that are best for you.

Best time to book a flight from Dulles Intl to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Dulles Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Singapore

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Singapore?

What’s the top stopover airport for flights from Washington, D.C. Dulles Intl Airport to Singapore?

What’s the fastest stopover option from Washington, D.C. Dulles Intl Airport to Singapore?

What’s the fastest stopover option from Washington, D.C. Dulles Intl Airport to Singapore?

Which airport typically offers the quickest stopover for flights from Washington, D.C. Dulles Intl Airport to Singapore?

Reviews of airlines servicing Singapore

Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Singapore, such as Qatar Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Singapore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Singapore from Washington, D.C. Dulles Intl?

How long is the flight from Washington, D.C. Dulles Intl Airport to Singapore?

What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to Singapore round-trip?

Can I find deals for flights from Dulles Intl to Singapore that include hotel bookings?

How can I find direct flights from Dulles Intl to Singapore?

Can I find deals for business class flights from Dulles Intl to Singapore?

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

Complete your trip to Singapore by adding a car rental and/or hotel reservation to your travel itinerary.

Top airline flying from Dulles Intl to Singapore

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How does Cheapflights help users find flights from Dulles Intl to Singapore?

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Can Cheapflights find flights from Dulles Intl to Singapore with no change fees?

Can Cheapflights notify me if prices for flights from Dulles Intl to Singapore become cheaper?

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Cheapest flights from Dulles Intl to Singapore
Explore the most affordable flight options available from Dulles Intl to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.