What are the cheapest airlines to fly from Singapore to Washington, D.C. Dulles Intl Airport one-way?

To fly one-way, consider booking your trip with Air China, which is currently one of the cheapest options available, starting at S$ 585. Air Canada flights start at S$ 587 while deals on IndiGo start at S$ 599 one-way. Find deals

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. Find deals

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). Find deals

What are the most popular airlines that fly from Singapore to Washington, D.C. Dulles Intl Airport?

When booking a flight from Singapore to Washington, D.C. Dulles Intl Airport, you may want to consider flying on Air India, Korean Air or Qatar Airways as they are the most popular for this route. Find deals

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

The best pricing can be found in the month of September. Prices to Washington, D.C. Dulles Intl Airport from Singapore average S$ 1,636. You can even find prices in September for less than S$ 1,636, as users have found deals to Washington, D.C. Dulles Intl Airport from as low as S$ 778. The month of August appears to be one of the more expensive times to travel to Washington, D.C. Dulles Intl Airport from Singapore. Flying in the targeted month can save you up to 29%.

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

When flying from Singapore to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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$ 585+ Flights from Singapore to Washington, D.C. Dulles Intl Airport

Cheap flight deals from Singapore to Dulles Intl

Round-trip from	S$ 883
One-way from	S$ 585
Popular in	August
Cheapest in	September
Average price	S$ 1,974

Air Canada
5-10-19-10
4 total stops
78h 23m total
Singapore to Washington, D.C.

Search Deals

Air China
18-9
1 total stop
32h 05m total
Singapore to Washington, D.C.

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (S$ 253 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (S$ 58 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Find flight deals from Singapore to Dulles Intl

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 30 July 2025.

Tue 23-909:10SIN - IAD

2 stops38h 23mAir Canada

Thu 27-1112:35IAD - SIN

2 stops30h 20mAir Canada

Deal found 28-7S$ 971

Thu 4-906:15SIN - IAD

2 stops26h 40mANA

Thu 18-912:15IAD - SIN

1 stop30h 25mANA

Deal found 29-7S$ 1,194

Sun 7-917:35SIN - IAD

2 stops61h 55mAir China

Fri 12-923:00IAD - SIN

1 stop34h 55mAir China

Deal found 29-7S$ 1,227

Fri 14-1110:00SIN - IAD

2 stops23h 59mMultiple Airlines

Wed 14-121:10IAD - SIN

1 stop22h 35mMultiple Airlines

Deal found 28-7S$ 1,241

Fri 26-919:45SIN - IAD

2 stops36h 00mIndiGo

Wed 26-1113:30IAD - SIN

2 stops38h 50mIndiGo

Deal found 28-7S$ 1,360

Sun 5-1010:15SIN - IAD

1 stop37h 30mTurkish Airlines

Sun 19-1013:30IAD - SIN

1 stop31h 15mTurkish Airlines

Deal found 29-7S$ 1,362

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 30 July 2025.

Sun 5-1022:10SIN - IAD

2 stops35h 15mAir Canada

Sun 19-1017:37IAD - SIN

2 stops43h 08mAir Canada

Deal found 27-7S$ 883

Sun 7-917:30SIN - IAD

2 stops62h 00mAir China

Tue 23-923:00IAD - SIN

1 stop34h 55mAir China

Deal found 27-7S$ 1,188

Thu 4-906:15SIN - IAD

2 stops26h 40mANA

Thu 18-912:15IAD - SIN

1 stop30h 25mANA

Deal found 29-7S$ 1,194

Fri 14-1110:00SIN - IAD

2 stops23h 59mMultiple Airlines

Wed 14-121:10IAD - SIN

1 stop22h 35mMultiple Airlines

Deal found 28-7S$ 1,241

Sun 7-919:45SIN - IAD

2 stops36h 00mIndiGo

Tue 23-913:30IAD - SIN

2 stops39h 50mIndiGo

Deal found 27-7S$ 1,307

Last-minute flights from Singapore to Dulles Intl
Discover last-minute flight deals from Singapore to Dulles Intl. Data last updated 30 July 2025 and is based on user searches.

Fri 1-808:45SIN - IAD

1 stop32h 33mUnited Airlines

Fri 12-917:20IAD - SIN

1 stop24h 55mUnited Airlines

Deal found 29-7S$ 1,909

Sat 2-823:25SIN - IAD

2 stops28h 00mLufthansa

Mon 15-922:20IAD - SIN

1 stop30h 20mLufthansa

Deal found 29-7S$ 1,656

Sun 3-817:30SIN - IAD

2 stops62h 00mAir China

Fri 12-923:00IAD - SIN

1 stop43h 50mAir China

Deal found 29-7S$ 1,517

Sun 3-802:00SIN - IAD

2 stops42h 55mEthiopian Air

Fri 12-917:53IAD - SIN

3 stops32h 57mEthiopian Air

Deal found 29-7S$ 3,390

Mon 4-823:30SIN - IAD

1 stop27h 55mSWISS

Tue 9-920:45IAD - SIN

1 stop32h 20mSWISS

Deal found 29-7S$ 1,651

Tue 5-823:25SIN - IAD

2 stops28h 00mLufthansa

Mon 15-922:20IAD - SIN

1 stop30h 20mLufthansa

Deal found 29-7S$ 1,656

Tue 5-809:10SIN - IAD

2 stops47h 54mAir Canada

Mon 15-922:10IAD - SIN

2 stops44h 55mAir Canada

Deal found 29-7S$ 1,688

Tue 5-823:20SIN - IAD

1 stop28h 35mBritish Airways

Sat 13-922:45IAD - SIN

1 stop31h 15mBritish Airways

Deal found 29-7S$ 1,701

Tue 5-823:20SIN - IAD

1 stop30h 10mBritish Airways

Sun 14-917:50IAD - SIN

1 stop34h 15mBritish Airways

Deal found 29-7S$ 1,701

Wed 6-820:40SIN - IAD

1 stop23h 52mUnited Airlines

Fri 12-913:15IAD - SIN

2 stops29h 00mUnited Airlines

Deal found 29-7S$ 2,024

Wed 6-801:10SIN - IAD

2 stops27h 33mDelta

Tue 19-809:50IAD - SIN

2 stops25h 50mDelta

Deal found 29-7S$ 2,449

Thu 7-823:25SIN - IAD

1 stop32h 00mMultiple Airlines

Thu 11-922:05IAD - SIN

1 stop23h 35mMultiple Airlines

Deal found 29-7S$ 1,745

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 30 July 2025.

Thu 18-923:25SIN - IAD

1 stop32h 05mAir China

Deal found 29-7S$ 585

Sun 7-1210:00SIN - IAD

2 stops23h 59mAir Canada

Deal found 27-7S$ 587

Tue 23-919:45SIN - IAD

2 stops36h 00mIndiGo

Deal found 28-7S$ 599

Sun 7-920:30SIN - IAD

2 stops31h 40mMultiple Airlines

Deal found 29-7S$ 694

Sat 13-908:45SIN - IAD

1 stop34h 55mAir India

Deal found 28-7S$ 711

Wed 3-1202:00SIN - IAD

2 stops40h 55mChina Airlines

Deal found 29-7S$ 866

Mon 25-815:10SIN - IAD

2 stops28h 22mEVA Air

Deal found 27-7S$ 886

Sun 7-910:15SIN - IAD

1 stop45h 30mTurkish Airlines

Deal found 29-7S$ 966

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

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 5-10

22:10-21:25

2 stops35h 15m

Washington, D.C. Dulles Intl

Sun 19-10

17:37-00:45

2 stops43h 08m

S$ 883

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 7-9

17:30-19:30

2 stops62h 00m

Washington, D.C. Dulles Intl

Tue 23-9

23:00-21:55

1 stop34h 55m

S$ 1,188

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 4-9

06:15-20:55

2 stops26h 40m

Washington, D.C. Dulles Intl

Thu 18-9

12:15-06:40

1 stop30h 25m

S$ 1,194

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 14-11

10:00-20:59

2 stops23h 59m

Washington, D.C. Dulles Intl

Wed 14-1

21:10-08:45

1 stop22h 35m

S$ 1,241

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 7-9

19:45-19:45

2 stops36h 00m

Washington, D.C. Dulles Intl

Tue 23-9

13:30-17:20

2 stops39h 50m

S$ 1,307

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 18-9

23:25-19:30

1 stop32h 05m

S$ 585

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 7-12

10:00-20:59

2 stops23h 59m

S$ 587

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 23-9

19:45-19:45

2 stops36h 00m

S$ 599

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 7-9

20:30-16:10

2 stops31h 40m

S$ 694

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sat 13-9

08:45-07:40

1 stop34h 55m

S$ 711

Flights are sorted by cheapest return flights first.

Deals found on 29-7

Showing 1-10 of 13 results

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.

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

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Dulles Intl

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

EVA Air

8.4

Very Good

1,221 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

EVA Air

8.4

Very Good

1,221 reviews

EVA Air

8.4

Very Good

1,221 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

ANA

8.4

Very Good

922 reviews

EVA Air

8.4

Very Good

1,221 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

China Airlines

8.3

Very Good

754 reviews

EVA Air

8.4

Very Good

1,221 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Turkish Airlines

7.3

Good

3,926 reviews

EVA Air

8.4

Very Good

1,221 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Air China

7.3

Good

91 reviews

EVA Air

8.4

Very Good

1,221 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

What are the cheapest airlines to fly from Singapore to Washington, D.C. Dulles Intl Airport one-way?
To fly one-way, consider booking your trip with Air China, which is currently one of the cheapest options available, starting at S$ 585. Air Canada flights start at S$ 587 while deals on IndiGo start at S$ 599 one-way.
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

Alternative routes for Singapore to Dulles Intl

Singapore to Baltimore flights

Singapore to Dulles Intl flights

Singapore to Reagan-National flights

Complete your trip

Washington, D.C. Dulles Intl Airport car hire

Washington, D.C. car hire

Dupont Circle car hire

Georgetown car hire

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Capitol Hill car hire

Foggy Bottom - West End car hire

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Columbia Heights car hire

Adams Morgan car hire

Anacostia car hire

Shaw car hire

Top 5 airlines flying from Singapore to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Turkish Airlines	CheapestS$ 1,243	AverageS$ 1,474	FlexibilityNo cancel fee	On-time77%	Search Turkish Airlines flights
United Airlines	CheapestS$ 1,276	AverageS$ 1,598	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air India	CheapestS$ 1,328	AverageS$ 1,421	FlexibilityNo cancel fee	On-timeN/A	Search Air India flights
Korean Air	CheapestS$ 1,624	AverageS$ 2,230	FlexibilityNo cancel fee	On-time81%	Search Korean Air flights
Qatar Airways	CheapestS$ 1,770	AverageS$ 2,203	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways 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?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Singapore to Dulles Intl.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Singapore to Dulles Intl, users can toggle the no change fees filter when performing a flight search.

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

Not ready to book yet? You can track prices for flights from Singapore to Dulles Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Singapore to Washington, D.C. Dulles Intl Airport from S$ 585

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 18-9. 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

Keep the following information in mind while searching for Singapore to Dulles Intl flight deals. Data was last updated 30 July 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 30 July 2025.

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 30 July 2025.

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

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

Reviews of airlines servicing Dulles Intl

Read through reviews of airlines operating flights from Singapore to Washington, D.C. Dulles Intl Airport, such as EVA Air, ANA, andChina Airlines. 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 Singapore to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from Singapore to Washington, D.C. Dulles Intl Airport one-way?

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.

Top 5 airlines flying from Singapore to Dulles Intl

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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?

100% Free

Book with Flexibility

Travel Smart

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 30 July 2025.