Which layover airport has the shortest travel time from Singapore to Washington, D.C. Dulles Intl Airport?

Flights connecting via Dubai (DXB) have the shortest average one-way travel time: 23h 40m.

What airlines fly to Washington, D.C. Dulles Intl Airport?

United Airlines, Air China and EVA Air are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Singapore according to our data. United Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 3 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest connection time from Singapore to Washington, D.C. Dulles Intl Airport?

Doha (DOH) has the shortest average layover time for this route: 1h 50m.

Which layover airport offers the lowest fares from Singapore to Washington, D.C. Dulles Intl Airport?

Flights via Beijing (PEK) offer the lowest average round-trip price of $1,280.

What is the cheapest airline that flies from Singapore Changi to Washington, D.C. Dulles Intl?

Air China and Etihad Airways are the most popular carriers operating from Singapore Changi to Washington, D.C. Dulles Intl

Which airport is the most popular layover for flights between Singapore and Washington, D.C. Dulles Intl Airport?

Beijing (PEK) was the most common stop: 82% of momondo users choosing 1-stop flights on this route connected there.

When did momondo last update prices for flights from Singapore Changi Airport to Washington, D.C. Dulles Intl Airport?

Prices for flights from Singapore Changi Airport to Washington, D.C. Dulles Intl Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Singapore Changi Airport to Washington, D.C. Dulles Intl Airport?

As of October 2026, there are 3 operators available to choose from for flights from Singapore Changi Airport to Washington, D.C. Dulles Intl Airport.

How old do you have to be to fly from Singapore Changi Airport to Washington, D.C. Dulles Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Singapore Changi Airport to Washington, D.C. Dulles Intl Airport.

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$419 Cheap Flights from Singapore to Washington, D.C. Dulles Intl Airport in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Singapore to Washington, D.C.

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:45 pm - 6:30 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

37h 45m1 stop Beijing Capital

10:00 pm - 9:55 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

34h 55m1 stop Beijing Capital

$977Air China

Mon, Nov 30 - Fri, Dec 4

5:45 pm - 6:30 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

37h 45m1 stop Beijing Capital

11:35 pm - 5:15 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

28h 40m1 stop Incheon Intl

$988Multiple Airlines

Mon, Nov 23 - Mon, Nov 30

10:25 am - 7:25 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

46h 00m1 stop Istanbul

9:20 pm - 8:45 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

22h 25m1 stop Istanbul

$999Turkish Airlines

Sun, Nov 8 - Thu, Nov 12

11:40 am - 7:25 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

44h 45m1 stop Istanbul

1:30 pm - 10:00 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

31h 30m1 stop Istanbul

$1,003Turkish Airlines

Mon, Nov 23 - Mon, Nov 30

6:35 am - 11:52 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

42h 17m2 stops Tokyo Narita Chicago O'Hare Intl

12:20 pm - 6:55 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

29h 35m1 stop Tokyo Haneda

$1,321United Airlines

Sat, Nov 21 - Sat, Nov 28

1:15 pm - 8:55 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

20h 40m1 stop Taipei City Taiwan Taoyuan Intl

11:55 pm - 2:30 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

25h 35m1 stop Taipei City Taiwan Taoyuan Intl

$1,463EVA Air

Mon, Feb 1 - Fri, Feb 5

10:20 pm - 9:13 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

35h 53m2 stops San Francisco Newark

8:15 am - 8:15 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

47h 00m1 stop San Francisco

$1,554United Airlines

Sun, Dec 6 - Sun, Dec 13

11:55 pm - 6:30 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

31h 35m1 stop Beijing Capital

10:00 pm - 11:20 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

36h 20m2 stops Beijing Capital Shanghai Pu Dong

$1,596Air China

Mon, Feb 1 - Fri, Feb 5

3:45 pm - 8:55 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

42h 10m1 stop Taipei City Taiwan Taoyuan Intl

11:55 pm - 2:30 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

25h 35m1 stop Taipei City Taiwan Taoyuan Intl

$3,009EVA Air

Thu, Nov 5 - Mon, Nov 16

11:55 pm - 6:30 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

31h 35m1 stop Beijing Capital

10:00 pm - 6:50 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

43h 50m1 stop Beijing Capital

$4,723Air China

Mon, Nov 16 - Tue, Nov 24

Cheap last minute flights

Enter your travel dates to find the best prices.

4:35 am - 1:45 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

45h 10m1 stop Istanbul

9:20 pm - 5:40 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

31h 20m1 stop Istanbul

$1,004Turkish Airlines

Sun, Nov 1 - Wed, Nov 18

1:35 pm - 10:00 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

56h 25m2 stops Chiang Mai Abu Dhabi Zayed Intl

11:35 pm - 9:25 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

32h 50m1 stop Incheon Intl

$1,156Multiple Airlines

Sun, Nov 1 - Wed, Nov 18

10:45 am - 10:10 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

35h 25m1 stop Tokyo Haneda

8:23 am - 8:00 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

34h 37m2 stops Chicago O'Hare Intl San Francisco

$1,305United Airlines

Sun, Nov 1 - Wed, Nov 18

11:15 am - 10:00 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

34h 45m3 stops Mumbai Chhatrapati Shivaji Intl Bengaluru Intl Abu Dhabi Zayed Intl

2:25 pm - 9:50 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

30h 25m3 stops Abu Dhabi Zayed Intl Bengaluru Intl Chennai

$1,358Multiple Airlines

Sun, Nov 1 - Wed, Nov 18

11:15 am - 10:00 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

34h 45m3 stops Mumbai Chhatrapati Shivaji Intl Bengaluru Intl Abu Dhabi Zayed Intl

2:25 pm - 9:35 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

30h 10m1 stop Abu Dhabi Zayed Intl

$1,372Multiple Airlines

Sun, Nov 1 - Wed, Nov 18

8:40 am - 1:30 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

28h 50m2 stops Vancouver Intl Chicago O'Hare Intl

9:55 am - 7:00 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

32h 05m2 stops Toronto Pearson Intl Vancouver Intl

$1,436Air Canada

Sun, Nov 1 - Wed, Nov 18

11:15 am - 10:00 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

34h 45m3 stops Mumbai Chhatrapati Shivaji Intl Bengaluru Intl Abu Dhabi Zayed Intl

7:40 pm - 3:10 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

30h 30m3 stops Reykjavik Keflavik Intl Helsinki-Vantaa Shanghai Pu Dong

$1,568Multiple Airlines

Sun, Nov 1 - Wed, Nov 18

3:15 am - 12:43 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

33h 28m2 stops Doha Hamad Intl Atlanta Hartsfield-Jackson

9:55 am - 10:25 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

35h 30m3 stops Toronto Pearson Intl Vancouver Intl Manila Ninoy Aquino Intl

$1,606Multiple Airlines

Sat, Oct 31 - Wed, Nov 18

6:35 pm - 2:10 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

32h 35m2 stops Bangkok Suvarnabhumi Vienna Intl

6:20 pm - 7:25 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

36h 05m3 stops London Heathrow Vienna Intl Bangkok Suvarnabhumi

$2,569Austrian Airlines

Sun, Nov 1 - Wed, Nov 18

10:20 pm - 8:49 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

23h 29m2 stops San Francisco Chicago O'Hare Intl

8:20 am - 12:45 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

27h 25m2 stops Denver Intl Tokyo Narita

$6,072United Airlines

Sun, Nov 1 - Wed, Nov 18

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Air Canada flights from Singapore to Washington, D.C. Dulles Intl Airport

Our best Air Canada deals on Singapore to Washington, D.C. Dulles Intl Airport flight tickets

Air Canada

Nov 1

SIN8:40 amSingapore Changi

28h 50m

2 stops

IAD1:30 amWashington, D.C. Dulles Intl

Nov 18

IAD9:55 amWashington, D.C. Dulles Intl

32h 05m

2 stops

SIN7:00 amSingapore Changi

$1,436

Air Canada

Feb 1

SIN10:20 pmSingapore Changi

34h 50m

2 stops

IAD8:10 pmWashington, D.C. Dulles Intl

Feb 5

IAD9:55 amWashington, D.C. Dulles Intl

32h 00m

2 stops

SIN6:55 amSingapore Changi

$1,466

Air Canada

Feb 1

SIN10:20 pmSingapore Changi

34h 50m

2 stops

IAD8:10 pmWashington, D.C. Dulles Intl

Feb 5

IAD9:55 amWashington, D.C. Dulles Intl

32h 00m

2 stops

SIN6:55 amSingapore Changi

$1,467

Turkish Airlines flights from Singapore to Washington, D.C. Dulles Intl Airport

Our best Turkish Airlines deals on Singapore to Washington, D.C. Dulles Intl Airport flight tickets

Turkish Airlines

Nov 8

SIN10:25 amSingapore Changi

46h 00m

1 stop

IAD7:25 pmWashington, D.C. Dulles Intl

Nov 12

IAD9:20 pmWashington, D.C. Dulles Intl

22h 25m

1 stop

SIN8:45 amSingapore Changi

$999

Turkish Airlines

Nov 23

SIN11:40 amSingapore Changi

44h 45m

1 stop

IAD7:25 pmWashington, D.C. Dulles Intl

Nov 30

IAD1:30 pmWashington, D.C. Dulles Intl

31h 30m

1 stop

SIN10:00 amSingapore Changi

$1,003

Turkish Airlines

Nov 1

SIN4:35 amSingapore Changi

45h 10m

1 stop

IAD1:45 pmWashington, D.C. Dulles Intl

Nov 18

IAD9:20 pmWashington, D.C. Dulles Intl

31h 20m

1 stop

SIN5:40 pmSingapore Changi

$1,004

momondo 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 round-trip

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Mon 11/30

5:45 pm-6:30 pm

1 stop37h 45m

Washington, D.C. Dulles Intl

Fri 12/4

10:00 pm-9:55 pm

1 stop34h 55m

$977

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Mon 11/23

5:45 pm-6:30 pm

1 stop37h 45m

Washington, D.C. Dulles Intl

Mon 11/30

11:35 pm-5:15 pm

1 stop28h 40m

$988

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Sun 11/8

10:25 am-7:25 pm

1 stop46h 00m

Washington, D.C. Dulles Intl

Thu 11/12

9:20 pm-8:45 am

1 stop22h 25m

$999

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Mon 11/23

11:40 am-7:25 pm

1 stop44h 45m

Washington, D.C. Dulles Intl

Mon 11/30

1:30 pm-10:00 am

1 stop31h 30m

$1,003

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Sat 11/21

6:35 am-11:52 am

2 stops42h 17m

Washington, D.C. Dulles Intl

Sat 11/28

12:20 pm-6:55 am

1 stop29h 35m

$1,321

Quickest round-trip

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Mon 2/1

1:15 pm-8:55 pm

1 stop20h 40m

Washington, D.C. Dulles Intl

Fri 2/5

11:55 pm-2:30 pm

1 stop25h 35m

$1,463

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Sun 12/6

10:20 pm-9:13 pm

2 stops35h 53m

Washington, D.C. Dulles Intl

Sun 12/13

8:15 am-8:15 pm

1 stop47h 00m

$1,554

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Mon 2/1

11:55 pm-6:30 pm

1 stop31h 35m

Washington, D.C. Dulles Intl

Fri 2/5

10:00 pm-11:20 pm

2 stops36h 20m

$1,596

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Thu 11/5

3:45 pm-8:55 pm

1 stop42h 10m

Washington, D.C. Dulles Intl

Mon 11/16

11:55 pm-2:30 pm

1 stop25h 35m

$3,009

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Mon 11/16

11:55 pm-6:30 pm

1 stop31h 35m

Washington, D.C. Dulles Intl

Tue 11/24

10:00 pm-6:50 am

1 stop43h 50m

$4,723

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Singapore to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

Can stopping save me money on Singapore to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 21% on your flight if you consider stops on a Singapore to Washington, D.C. Dulles Intl Airport flight.

How have Singapore to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of October 2026, prices for Singapore to Washington, D.C. Dulles Intl Airport flights are approximately 101% more expensive when compared to flights at the same time last year.

When to book flights from Singapore to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Singapore to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Singapore to Washington, D.C. Dulles Intl Airport (SIN to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Singapore to Washington, D.C. Dulles Intl Airport

Best Price Found	$419
Fastest flight time	26h 11m
Direct flights	None

The best one-way flight to Washington, D.C. Dulles Intl Airport from Singapore in the past 72 hours is $419. The best round-trip flight deal from Singapore to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $977.

The fastest flight from Singapore to Washington, D.C. Dulles Intl Airport takes 26h 11m

There are no direct flights from Singapore to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Singapore to Washington, D.C. Dulles Intl Airport.

Search flight deals

Frequently asked questions about flying from Singapore to Washington, D.C. Dulles Intl Airport

How far is Singapore Changi to Washington, D.C. Dulles Intl by plane?
The distance between Singapore Changi and Washington, D.C. Dulles Intl is about 9647.6 mi. By plane, this route typically takes 26h 11m.
When did momondo last update prices for flights from Singapore Changi Airport to Washington, D.C. Dulles Intl Airport?
Prices for flights from Singapore Changi Airport to Washington, D.C. Dulles Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Singapore Changi Airport to Washington, D.C. Dulles Intl Airport?
As of October 2026, there are 3 operators available to choose from for flights from Singapore Changi Airport to Washington, D.C. Dulles Intl Airport.
How old do you have to be to fly from Singapore Changi Airport to Washington, D.C. Dulles Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Singapore Changi Airport to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Singapore to Washington, D.C. Dulles Intl Airport?
momondo data reveals that the most frequently booked airline on the route from Singapore to Washington, D.C. Dulles Intl Airport is United Airlines, representing 43% of all bookings. The subsequent popular airlines are Air China at 32% and EVA Air at 26%.

Best airlines flying from Singapore to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Singapore to Washington, D.C. Dulles Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Air China	PriceFrom $1,079	Free Cancellation	Rating 7.5 166 reviews	Search Air China flights
EVA Air	PriceFrom $1,188	Free Cancellation	Rating 8.5 1,551 reviews	Search EVA Air flights
United Airlines	PriceFrom $1,219	Free Cancellation	Rating 7.3 10,444 reviews	Search United Airlines flights

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Glen Burnie

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Why should I use momondo to find a flight deal from Singapore to Washington, D.C.?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Singapore to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Singapore to Washington, D.C. with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington, D.C. from Singapore which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Singapore to Washington, D.C.?

Once all potential Singapore to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Singapore to Washington, D.C. right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Singapore to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Singapore to Washington, D.C. from $419

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Singapore to Washington, D.C. departing on 11/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Air Canada flights from Singapore to Washington, D.C. Dulles Intl Airport

Our best Air Canada deals on Singapore to Washington, D.C. Dulles Intl Airport flight tickets

Turkish Airlines flights from Singapore to Washington, D.C. Dulles Intl Airport

Our best Turkish Airlines deals on Singapore to Washington, D.C. Dulles Intl Airport flight tickets

momondo 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.

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Singapore to Washington, D.C. Dulles Intl Airport

Can stopping save me money on Singapore to Washington, D.C. Dulles Intl Airport flights?

How have Singapore to Washington, D.C. Dulles Intl Airport flight prices changed over time?

What is the cheapest airline that flies from Singapore Changi to Washington, D.C. Dulles Intl?

What airlines fly to Washington, D.C. Dulles Intl Airport?

Which airport is the most popular layover for flights between Singapore and Washington, D.C. Dulles Intl Airport?

Which layover airport offers the lowest fares from Singapore to Washington, D.C. Dulles Intl Airport?

Which layover airport has the shortest travel time from Singapore to Washington, D.C. Dulles Intl Airport?

Which layover airport has the shortest connection time from Singapore to Washington, D.C. Dulles Intl Airport?

When to book flights from Singapore to Washington, D.C. Dulles Intl Airport

Cheap Singapore to Washington, D.C. Dulles Intl Airport (SIN to IAD) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Singapore to Washington, D.C. Dulles Intl Airport

Best airlines flying from Singapore to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Singapore to Washington, D.C. Dulles Intl Airport with momondo

Traveling to a place near Washington, D.C.?

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