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

For as low as S$ 1,272, Korean Air can have you in Washington, D.C. Dulles Intl Airport from Singapore in 24h 20m. The distance between Singapore and Washington, D.C. Dulles Intl Airport is about 15521 km. Both multi-stop and direct flights can be found to your destination and back. 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$ 1,627. You can even find prices in September for less than S$ 1,627, as users have found deals to Washington, D.C. Dulles Intl Airport from as low as S$ 1,177. The month of February 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 62%.

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$ 693+ Cheap Flights from Singapore to Washington, D.C. Dulles Intl Airport

Cheap flight deals from Singapore to Dulles Intl

Round-trip from	S$ 1,115
One-way from	S$ 693
Popular in	February
Cheapest in	September
Average price	S$ 1,294

Air Canada
28-9-19-10
4 total stops
69h 58m total
Singapore to Washington, D.C.

Search Deals

Air Canada
23-9
2 total stops
38h 03m total
Singapore to Washington, D.C.

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (S$ 299 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (S$ 119 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 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 16 September 2025.

Sun 28-909:10SIN - IAD

2 stops36h 28mAir Canada

Sun 19-1009:35IAD - SIN

2 stops33h 30mAir Canada

Deal found 15-9S$ 1,115

Sun 5-1009:10SIN - IAD

2 stops36h 28mAir Canada

Sun 19-1009:35IAD - SIN

2 stops33h 30mAir Canada

Deal found 15-9S$ 1,116

Thu 9-1022:10SIN - IAD

1 stop23h 55mANA

Sat 25-1013:20IAD - SIN

2 stops53h 35mANA

Deal found 15-9S$ 1,181

Thu 30-1010:40SIN - IAD

2 stops26h 00mDelta

Thu 6-1107:35IAD - SIN

2 stops27h 35mDelta

Deal found 15-9S$ 1,273

Thu 9-1009:10SIN - IAD

2 stops36h 28mAir Canada

Sat 25-1017:22IAD - SIN

2 stops49h 38mAir Canada

Deal found 15-9S$ 1,275

Wed 29-1023:25SIN - IAD

1 stop25h 20mTurkish Airlines

Wed 5-1121:10IAD - SIN

1 stop23h 50mTurkish Airlines

Deal found 14-9S$ 1,291

Thu 30-1010:25SIN - IAD

1 stop38h 20mTurkish Airlines

Thu 6-1113:30IAD - SIN

1 stop30h 15mTurkish Airlines

Deal found 15-9S$ 1,293

Sun 28-910:15SIN - IAD

1 stop37h 30mTurkish Airlines

Sun 19-1021:40IAD - SIN

1 stop23h 05mTurkish Airlines

Deal found 15-9S$ 1,304

Thu 30-1008:50SIN - IAD

2 stops24h 09mAir Canada

Thu 6-1109:00IAD - SIN

2 stops33h 00mAir Canada

Deal found 15-9S$ 1,308

Mon 13-1019:45SIN - IAD

2 stops36h 00mMultiple Airlines

Mon 20-1021:40IAD - SIN

1 stop32h 15mMultiple Airlines

Deal found 15-9S$ 1,345

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 16 September 2025.

Wed 11-322:30SIN - IAD

1 stop24h 20mKorean Air

Sun 15-312:50IAD - SIN

1 stop28h 10mKorean Air

Deal found 15-9S$ 1,272

Wed 29-1010:40SIN - IAD

2 stops24h 59mDelta

Wed 5-1106:18IAD - SIN

2 stops28h 52mDelta

Deal found 14-9S$ 1,275

Sun 5-1010:15SIN - IAD

1 stop45h 30mTurkish Airlines

Sun 19-1021:40IAD - SIN

1 stop23h 05mTurkish Airlines

Deal found 16-9S$ 1,372

Sat 4-1002:00SIN - IAD

2 stops41h 33mMultiple Airlines

Sun 19-1006:25IAD - SIN

2 stops42h 10mMultiple Airlines

Deal found 15-9S$ 1,389

Fri 17-1020:40SIN - IAD

2 stops27h 15mUnited Airlines

Mon 27-1013:20IAD - SIN

1 stop29h 35mUnited Airlines

Deal found 15-9S$ 1,485

Tue 10-301:35SIN - IAD

1 stop21h 15mDelta

Sun 15-319:59IAD - SIN

2 stops36h 26mDelta

Deal found 15-9S$ 1,408

Wed 8-1002:00SIN - IAD

2 stops52h 28mMultiple Airlines

Sat 25-1006:25IAD - SIN

2 stops54h 15mMultiple Airlines

Deal found 15-9S$ 1,455

Thu 9-1010:15SIN - IAD

1 stop37h 30mTurkish Airlines

Sat 25-1022:10IAD - SIN

1 stop23h 50mTurkish Airlines

Deal found 16-9S$ 1,473

Last-minute flights from Singapore to Dulles Intl
Discover last-minute flight deals from Singapore to Dulles Intl. Data last updated 16 September 2025 and is based on user searches.

Sun 28-909:10SIN - IAD

2 stops36h 28mAir Canada

Sun 19-1009:35IAD - SIN

2 stops33h 30mAir Canada

Deal found 15-9S$ 1,115

Sun 28-910:15SIN - IAD

1 stop37h 30mTurkish Airlines

Sun 19-1021:40IAD - SIN

1 stop23h 05mTurkish Airlines

Deal found 15-9S$ 1,304

Sun 5-1009:10SIN - IAD

2 stops36h 28mAir Canada

Sun 19-1009:35IAD - SIN

2 stops33h 30mAir Canada

Deal found 15-9S$ 1,116

Thu 9-1022:10SIN - IAD

1 stop23h 55mANA

Sat 25-1013:20IAD - SIN

2 stops53h 35mANA

Deal found 15-9S$ 1,181

Thu 9-1009:10SIN - IAD

2 stops36h 28mAir Canada

Sat 25-1017:22IAD - SIN

2 stops49h 38mAir Canada

Deal found 15-9S$ 1,275

Mon 13-1019:45SIN - IAD

2 stops36h 00mMultiple Airlines

Mon 20-1021:40IAD - SIN

1 stop32h 15mMultiple Airlines

Deal found 15-9S$ 1,345

Wed 29-1023:25SIN - IAD

1 stop25h 20mTurkish Airlines

Wed 5-1121:10IAD - SIN

1 stop23h 50mTurkish Airlines

Deal found 14-9S$ 1,291

Thu 30-1010:40SIN - IAD

2 stops26h 00mDelta

Thu 6-1107:35IAD - SIN

2 stops27h 35mDelta

Deal found 15-9S$ 1,273

Thu 30-1010:25SIN - IAD

1 stop38h 20mTurkish Airlines

Thu 6-1113:30IAD - SIN

1 stop30h 15mTurkish Airlines

Deal found 15-9S$ 1,293

Thu 30-1008:50SIN - IAD

2 stops24h 09mAir Canada

Thu 6-1109:00IAD - SIN

2 stops33h 00mAir Canada

Deal found 15-9S$ 1,308

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 16 September 2025.

Tue 23-909:10SIN - IAD

2 stops38h 03mAir Canada

Deal found 14-9S$ 693

Tue 14-1015:15SIN - IAD

3 stops40h 31mMultiple Airlines

Deal found 14-9S$ 714

Thu 16-1009:10SIN - IAD

2 stops36h 28mAir Canada

Deal found 14-9S$ 716

Mon 22-914:20SIN - IAD

3 stops37h 50mMultiple Airlines

Deal found 14-9S$ 749

Wed 24-904:55SIN - IAD

3 stops47h 15mMultiple Airlines

Deal found 14-9S$ 755

Sun 21-908:45SIN - IAD

3 stops43h 25mMultiple Airlines

Deal found 14-9S$ 762

Tue 23-1214:25SIN - IAD

2 stops28h 48mMultiple Airlines

Deal found 14-9S$ 766

Sun 12-1005:40SIN - IAD

2 stops46h 30mMultiple Airlines

Deal found 14-9S$ 778

Sat 4-1022:35SIN - IAD

3 stops55h 49mMultiple Airlines

Deal found 15-9S$ 785

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

Wed 11-3

22:30-10:50

1 stop24h 20m

Washington, D.C. Dulles Intl

Sun 15-3

12:50-05:00

1 stop28h 10m

S$ 1,272

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 29-10

10:40-23:39

2 stops24h 59m

Washington, D.C. Dulles Intl

Wed 5-11

06:18-00:10

2 stops28h 52m

S$ 1,275

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 5-10

10:15-19:45

1 stop45h 30m

Washington, D.C. Dulles Intl

Sun 19-10

21:40-08:45

1 stop23h 05m

S$ 1,372

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sat 4-10

02:00-07:33

2 stops41h 33m

Washington, D.C. Dulles Intl

Sun 19-10

06:25-12:35

2 stops42h 10m

S$ 1,389

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 10-3

01:35-10:50

1 stop21h 15m

Washington, D.C. Dulles Intl

Sun 15-3

19:59-20:25

2 stops36h 26m

S$ 1,408

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 8-10

02:00-18:28

2 stops52h 28m

Washington, D.C. Dulles Intl

Sat 25-10

06:25-00:40

2 stops54h 15m

S$ 1,455

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 9-10

10:15-11:45

1 stop37h 30m

Washington, D.C. Dulles Intl

Sat 25-10

22:10-10:00

1 stop23h 50m

S$ 1,473

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 17-10

20:40-11:55

2 stops27h 15m

Washington, D.C. Dulles Intl

Mon 27-10

13:20-06:55

1 stop29h 35m

S$ 1,485

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 23-9

09:10-06:31

1 stop33h 21m

S$ 693

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 13-10

19:45-19:45

2 stops36h 00m

S$ 749

Flights are sorted by cheapest return flights first.

Deals found on 14-9

Showing 1-10 of 18 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 Korean Air, Qatar Airways, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Korean Air

8.4

Very Good

1,139 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Korean Air

8.4

Very Good

1,139 reviews

Korean Air

8.4

Very Good

1,139 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

Qatar Airways

7.4

Good

3,624 reviews

Korean Air

8.4

Very Good

1,139 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

United Airlines

7.4

Good

8,929 reviews

Korean Air

8.4

Very Good

1,139 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

Turkish Airlines

7.3

Good

3,968 reviews

Korean Air

8.4

Very Good

1,139 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

Air India

5.5

Fair

2,930 reviews

Korean Air

8.4

Very Good

1,139 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

Related info for your journey

How long is the flight from Singapore to Washington, D.C. Dulles Intl Airport?
For as low as S$ 1,272, Korean Air can have you in Washington, D.C. Dulles Intl Airport from Singapore in 24h 20m. The distance between Singapore and Washington, D.C. Dulles Intl Airport is about 15521 km. Both multi-stop and direct flights can be found to your destination and back.
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 Dulles Intl flights

Singapore to Baltimore 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

Downtown car hire

Capitol Hill car hire

Foggy Bottom - West End car hire

Southwest Waterfront car hire

Columbia Heights car hire

Adams Morgan car hire

Shaw car hire

Anacostia car hire

Top 5 airlines flying from Singapore to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Turkish Airlines	CheapestS$ 1,251	AverageS$ 1,485	FlexibilityNo cancel fee	On-time77%	Search Turkish Airlines flights
United Airlines	CheapestS$ 1,269	AverageS$ 1,590	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air India	CheapestS$ 1,321	AverageS$ 1,414	FlexibilityNo cancel fee	On-timeN/A	Search Air India flights
Korean Air	CheapestS$ 1,616	AverageS$ 2,219	FlexibilityNo cancel fee	On-time81%	Search Korean Air flights
Qatar Airways	CheapestS$ 1,770	AverageS$ 1,975	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$ 693

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 23-9. 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 16 September 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 16 September 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 16 September 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 Korean Air, Qatar Airways, andUnited 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.

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

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 16 September 2025.