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

For as low as S$ 1,328, Turkish Airlines can have you in Washington, D.C. Dulles Intl Airport from Singapore in 46h. The distance between Singapore and Washington, D.C. Dulles Intl Airport is about 15521 km.

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

Our cheapest airline available from Singapore to Washington, D.C. Dulles Intl Airport is ANA. Our recent data shows that you can find tickets from as low as S$ 2,230 on this airline.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Singapore to Washington, D.C. Dulles Intl Airport as you normally would.

What airport do you fly from for flights from Singapore to 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 Washington, D.C. Dulles Intl from Singapore. Booking flights from Changi (SIN) to Washington, D.C. Dulles Intl should be relatively easy as there are 0 daily outbound flights to Washington, D.C. Dulles Intl from 1 airline.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Singapore to Dulles Intl 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$ 611+ Cheap Flights from Singapore to Washington, D.C. Dulles Intl Airport

Cheap flight deals from Singapore to Dulles Intl

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Singapore to Dulles Intl
Explore the most affordable flight options available from Singapore to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 October 2026.

Mon 5-1023:05 -

1 stop24h 25m

Tue 20-1013:15 -

1 stop40h 40m

Deal found 2-10S$ 1,272

Sun 18-1005:25 -

1 stop42h 05m

Thu 29-1014:30 -

1 stop28h 20m

Deal found 29-9S$ 1,283

Tue 27-1023:15 -

1 stop25h 30m

Tue 3-1122:20 -

1 stop21h 25m

Deal found 29-9S$ 1,288

Tue 3-1110:25 -

1 stop47h 00m

Mon 23-1121:20 -

1 stop44h 30m

Deal found 1-10S$ 1,291

Thu 12-1110:25 -

1 stop46h 00m

Thu 19-1113:30 -

1 stop39h 10m

Deal found 28-9S$ 1,328

Sat 14-1104:35 -

1 stop27h 50m

Sun 22-1121:20 -

1 stop31h 20m

Deal found 1-10S$ 1,329

Sun 29-1110:25 -

1 stop38h 20m

Fri 4-1213:30 -

1 stop30h 15m

Deal found 28-9S$ 1,333

Sun 29-1110:25 -

1 stop38h 20m

Sat 5-1221:20 -

1 stop44h 30m

Deal found 29-9S$ 1,336

Mon 19-1023:25 -

1 stop32h 05m

Fri 23-1023:00 -

1 stop29h 15m

Deal found 29-9S$ 1,337

Thu 29-1005:10 -

1 stop27h 15m

Thu 5-1122:20 -

1 stop30h 20m

Deal found 1-10S$ 1,339

Sat 24-1012:50 -

1 stop35h 55m

Mon 2-1122:20 -

1 stop22h 40m

Deal found 29-9S$ 1,357

Find flight deals from Singapore to Dulles Intl

Round-trip from	S$ 1,272
One-way from	S$ 611
Popular in	July
Cheapest in	October
Average price	S$ 1,380

Turkish Airlines
5-10-20-10
2 total stops
65h 05m total
Singapore to Washington, D.C.

Search Deals

Etihad Airways
22-12-31-12
1 total stop
26h 40m total
Singapore to Washington, D.C.

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (S$ 410 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease (S$ 152 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SingaporeWashington, D.C.

SIN Singapore Changi - IAD Washington, D.C. Dulles Intl

SINIAD

Singapore Changi

Mon 2-11

17:45-18:30

1 stop37h 45m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 702

SingaporeWashington, D.C.

SIN Singapore Changi - IAD Washington, D.C. Dulles Intl

SINIAD

Singapore Changi

Mon 26-10

23:55-19:30

1 stop31h 35m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 702

SingaporeWashington, D.C.

SIN Singapore Changi - IAD Washington, D.C. Dulles Intl

SINIAD

Singapore Changi

Thu 3-12

22:30-17:45

2 stops32h 15m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 885

SingaporeWashington, D.C.

SIN Singapore Changi - IAD Washington, D.C. Dulles Intl

SINIAD

Singapore Changi

Thu 22-10

21:00-19:30

3 stops34h 30m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 902

Fastest return journey

SingaporeWashington, D.C.

SIN Singapore Changi - IAD Washington, D.C. Dulles Intl

SINIAD

Singapore Changi

Mon 26-10

14:25-05:40

2 stops27h 15m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 930

SingaporeWashington, D.C.

SIN Singapore Changi - IAD Washington, D.C. Dulles Intl

SINIAD

Singapore Changi

Tue 22-12

14:25-05:38

2 stops28h 13m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 930

SingaporeWashington, D.C.

SIN Singapore Changi - IAD Washington, D.C. Dulles Intl

SINIAD

Singapore Changi

Mon 30-11

14:25-16:15

2 stops38h 50m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 1,081

SingaporeWashington, D.C.

SIN Singapore Changi - IAD Washington, D.C. Dulles Intl

SINIAD

Singapore Changi

Sat 28-11

10:25-19:25

1 stop46h 00m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 1,220

SingaporeWashington, D.C.

SIN Singapore Changi - IAD Washington, D.C. Dulles Intl

SINIAD

Singapore Changi

Sat 19-12

21:20-08:10

2 stops47h 50m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 1,240

SingaporeWashington, D.C.

SIN Singapore Changi - IAD Washington, D.C. Dulles Intl

SINIAD

Singapore Changi

Thu 12-11

10:25-19:25

1 stop46h 00m

Washington, D.C. Dulles Intl

Thu 19-11

13:30-17:40

1 stop39h 10m

S$ 1,328

Flights are sorted by cheapest return flights first.

Deals found on 2-10

Showing 1-10 of 21 resultsSorted by cheapest first

Best time to book a flight from Singapore to Dulles Intl

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

SIN-IAD

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 Singapore to Washington, D.C. Dulles Intl Airport

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

Istanbul (IST) – chosen by Cheapflights users on 58% of one-stop itineraries from Singapore to Washington, D.C. Dulles Intl Airport on Cheapflights.

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

Incheon (ICN) is the most affordable one-stop option, with an average return flight price of S$ 1,889.

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

Flights via Incheon (ICN) have the shortest average one-way travel time for one-stop routes: 21h 15m.

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

Flights via Incheon (ICN) offer the fastest connection on this route, with an average stopover time of 1h 13m.

Reviews of airlines servicing Dulles Intl

Get a feel of what it's like to fly with ANA from Singapore to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

ANA

8.3

Very Good

1,319 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Jun 2026

NRT - SFO

The boarding was way behind the est schedule. However it moved pretty fast after it started. It’d be more professional if they informed the passengers of any delay and progress.

ANA

8.3

Very Good

1,319 reviews

ANA

8.3

Very Good

1,319 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Jun 2026

NRT - SFO

The boarding was way behind the est schedule. However it moved pretty fast after it started. It’d be more professional if they informed the passengers of any delay and progress.

Related info for your journey

What airport do you fly from for flights from Singapore to 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 Washington, D.C. Dulles Intl from Singapore. Booking flights from Changi (SIN) to Washington, D.C. Dulles Intl should be relatively easy as there are 0 daily outbound flights to Washington, D.C. Dulles Intl from 1 airline.
How long is the flight from Singapore to Washington, D.C. Dulles Intl Airport?
For as low as S$ 1,328, Turkish Airlines can have you in Washington, D.C. Dulles Intl Airport from Singapore in 46h. The distance between Singapore and Washington, D.C. Dulles Intl Airport is about 15521 km.
What is the cheapest airline to fly from Singapore to Washington, D.C. Dulles Intl Airport round-trip?
Our cheapest airline available from Singapore to Washington, D.C. Dulles Intl Airport is ANA. Our recent data shows that you can find tickets from as low as S$ 2,230 on this airline.
Can I find deals for flights from Singapore to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Singapore to Dulles Intl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Singapore to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Singapore to Dulles Intl.
Can I find deals for business class flights from Singapore to Dulles Intl?
Yes. Cheapflights offers flight deals from Singapore to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

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Flights by cabin class

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Popular flights

Alternative routes for Singapore to Dulles Intl

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Singapore to Reagan-National flights

Top airline flying from Singapore to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
ANA	CheapestS$ 2,230	AverageS$ 2,380	FlexibilityNo cancel fee	On-time80%	Search ANA flights

Fly with Cheapflights

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

Deals for Singapore to Dulles Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

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

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

Yes! Cheapflights helps users easily find flights from Singapore to Dulles Intl with no change fees.

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

Yes! Start tracking prices for Singapore to Dulles Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from Singapore to Washington, D.C. Dulles Intl Airport from S$ 611

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22-12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Singapore to Dulles Intl

Cheapest flights from Singapore to Dulles IntlExplore the most affordable flight options available from Singapore to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 October 2026.

Explore the most affordable flight options available from Singapore to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 October 2026.

Best flights from Singapore to Dulles IntlDiscover carefully curated flight deals from Singapore to Dulles Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 October 2026.

Discover carefully curated flight deals from Singapore to Dulles Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 October 2026.

Last-minute flights from Singapore to Dulles IntlDiscover last-minute flight deals from Singapore to Dulles Intl. Data last updated 3 October 2026 and is based on user searches.

Discover last-minute flight deals from Singapore to Dulles Intl. Data last updated 3 October 2026 and is based on user searches.

One-way flights from Singapore to Dulles IntlSearch for one-way flight options from Singapore to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated 3 October 2026.

Search for one-way flight options from Singapore to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated 3 October 2026.

Find flight deals from Singapore to Dulles Intl

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Best time to book a flight from Singapore to Dulles Intl

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

Cheapflights Insights

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

Istanbul (IST) – chosen by Cheapflights users on 58% of one-stop itineraries from Singapore to Washington, D.C. Dulles Intl Airport on Cheapflights.

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

Incheon (ICN) is the most affordable one-stop option, with an average return flight price of S$ 1,889.

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

Flights via Incheon (ICN) have the shortest average one-way travel time for one-stop routes: 21h 15m.

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

Flights via Incheon (ICN) offer the fastest connection on this route, with an average stopover time of 1h 13m.

Reviews of airlines servicing Dulles Intl

Get a feel of what it's like to fly with ANA from Singapore to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Singapore to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

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

Direct flights to United States

Book a non-stop flight to one of these other cities located in United States.

Search flights from Singapore to Dulles Intl by cabin class

Find flights from Singapore to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Singapore and Dulles Intl flights

Browse other Singapore and Dulles Intl flight options. Last updated on 3 October 2026.

Popular flight searches

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Top airline flying from Singapore to Dulles Intl

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

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

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

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

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Cheapest flights from Singapore to Dulles Intl
Explore the most affordable flight options available from Singapore to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 October 2026.

Best flights from Singapore to Dulles Intl
Discover carefully curated flight deals from Singapore to Dulles Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 October 2026.

Last-minute flights from Singapore to Dulles Intl
Discover last-minute flight deals from Singapore to Dulles Intl. Data last updated 3 October 2026 and is based on user searches.

One-way flights from Singapore to Dulles Intl
Search for one-way flight options from Singapore to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated 3 October 2026.