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

Flights via Incheon (ICN) offer the lowest average round-trip price of $941.

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.

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

Air China and Emirates 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: 75% of momondo users choosing 1-stop flights on this route connected there.

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.

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 September 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.

$483 Cheap Flights from Singapore to Washington, D.C. Dulles Intl Airport in 2026

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:25 pm - 7:30 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

32h 05m1 stop Beijing Capital

11:00 pm - 9:55 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

34h 55m1 stop Beijing Capital

$804Air China

Thu, Oct 15 - Fri, Oct 23

5:55 pm - 7:30 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

37h 35m1 stop Beijing Capital

11:00 pm - 6:50 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

43h 50m1 stop Beijing Capital

$805Air China

Thu, Oct 15 - Tue, Oct 27

5:55 pm - 7:30 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

37h 35m1 stop Beijing Capital

11:00 pm - 4:15 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

29h 15m1 stop Beijing Capital

$807Air China

Thu, Oct 15 - Tue, Oct 27

11:55 pm - 7:30 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

31h 35m1 stop Beijing Capital

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

30h 00m1 stop Abu Dhabi Zayed Intl

$1,057Multiple Airlines

Mon, Oct 26 - Mon, Nov 2

5:45 pm - 7:30 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

37h 45m1 stop Beijing Capital

5:46 pm - 7:00 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

48h 14m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

$1,124Multiple Airlines

Mon, Oct 26 - Mon, Nov 2

5:55 pm - 7:30 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

37h 35m1 stop Beijing Capital

3:35 pm - 9:35 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

30h 00m1 stop Abu Dhabi Zayed Intl

$1,167Multiple Airlines

Thu, Oct 15 - Tue, Oct 27

11:05 am - 10:05 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

35h 00m1 stop Tokyo Haneda

1:10 pm - 6:15 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

29h 05m2 stops Chicago O'Hare Intl San Francisco

$1,231United Airlines

Wed, Oct 7 - Wed, Oct 14

8:45 am - 12:58 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

28h 13m2 stops San Francisco Chicago O'Hare Intl

12:15 pm - 6:40 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

30h 25m1 stop Tokyo Haneda

$1,236United Airlines

Thu, Sep 24 - Sun, Sep 27

8:35 pm - 5:45 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

33h 10m2 stops San Francisco Chicago O'Hare Intl

12:15 pm - 6:55 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

30h 40m1 stop Tokyo Haneda

$1,236United Airlines

Fri, Oct 9 - Sun, Oct 25

1:15 pm - 9:55 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

$6,239EVA Air

Fri, Oct 30 - Fri, Nov 20

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Qatar Airways flights from Singapore to Washington, D.C. Dulles Intl Airport

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

Qatar Airways

Sep 21

SIN3:15 amSingapore Changi

32h 44m

2 stops

IAD11:59 pmWashington, D.C. Dulles Intl

Sep 25

IAD9:00 pmWashington, D.C. Dulles Intl

30h 45m

1 stop

SIN3:45 pmSingapore Changi

$1,208

Qatar Airways

Oct 9

SIN3:15 amSingapore Changi

32h 44m

2 stops

IAD11:59 pmWashington, D.C. Dulles Intl

Oct 17

IAD11:05 amWashington, D.C. Dulles Intl

22h 10m

1 stop

SIN9:15 pmSingapore Changi

$1,248

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

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

Emirates

Sep 22

SIN12:30 pmSingapore Changi

32h 20m

2 stops

IAD8:50 amWashington, D.C. Dulles Intl

Sep 25

IAD10:55 amWashington, D.C. Dulles Intl

36h 35m

2 stops

SIN11:30 amSingapore Changi

$1,333

Emirates

Sep 24

SIN12:30 pmSingapore Changi

32h 20m

2 stops

IAD8:50 amWashington, D.C. Dulles Intl

Sep 27

IAD10:55 amWashington, D.C. Dulles Intl

45h 35m

2 stops

SIN8:30 pmSingapore Changi

$1,359

Emirates

Sep 24

SIN9:30 pmSingapore Changi

47h 20m

2 stops

IAD8:50 amWashington, D.C. Dulles Intl

Sep 27

IAD10:55 amWashington, D.C. Dulles Intl

45h 35m

2 stops

SIN8:30 pmSingapore Changi

$1,360

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

Thu 10/15

11:25 pm-7:30 pm

1 stop32h 05m

Washington, D.C. Dulles Intl

Fri 10/23

11:00 pm-9:55 pm

1 stop34h 55m

$804

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Thu 10/15

5:55 pm-7:30 pm

1 stop37h 35m

Washington, D.C. Dulles Intl

Tue 10/27

11:00 pm-6:50 am

1 stop43h 50m

$805

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Thu 10/15

5:55 pm-7:30 pm

1 stop37h 35m

Washington, D.C. Dulles Intl

Tue 10/27

11:00 pm-4:15 pm

1 stop29h 15m

$807

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Mon 10/26

11:55 pm-7:30 pm

1 stop31h 35m

Washington, D.C. Dulles Intl

Mon 11/2

2:35 pm-9:35 am

1 stop30h 00m

$1,057

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Mon 10/26

5:45 pm-7:30 pm

1 stop37h 45m

Washington, D.C. Dulles Intl

Mon 11/2

5:46 pm-7:00 am

2 stops48h 14m

$1,124

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Thu 10/15

5:55 pm-7:30 pm

1 stop37h 35m

Washington, D.C. Dulles Intl

Tue 10/27

3:35 pm-9:35 am

1 stop30h 00m

$1,167

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Wed 10/7

11:05 am-10:05 am

1 stop35h 00m

Washington, D.C. Dulles Intl

Wed 10/14

1:10 pm-6:15 am

2 stops29h 05m

$1,231

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Thu 9/24

8:45 am-12:58 am

2 stops28h 13m

Washington, D.C. Dulles Intl

Sun 9/27

12:15 pm-6:40 am

1 stop30h 25m

$1,236

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Fri 10/9

8:35 pm-5:45 pm

2 stops33h 10m

Washington, D.C. Dulles Intl

Sun 10/25

12:15 pm-6:55 am

1 stop30h 40m

$1,236

Quickest round-trip

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Fri 10/30

1:15 pm-9:55 pm

1 stop20h 40m

Washington, D.C. Dulles Intl

Fri 11/20

11:55 pm-2:30 pm

1 stop25h 35m

$6,239

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

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

In general, August is the cheapest month to fly from Singapore to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of August, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $0.

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

You could potentially save up to 38% 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 September 2026, prices for Singapore to Washington, D.C. Dulles Intl Airport flights are approximately 4% 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	$483
Fastest flight time	26h 40m
Direct flights	None

The best one-way flight to Washington, D.C. Dulles Intl Airport from Singapore in the past 72 hours is $483. The best round-trip flight deal from Singapore to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $804.

The fastest flight from Singapore to Washington, D.C. Dulles Intl Airport takes 26h 40m

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 40m.
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 September 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 7.5 164 reviews	Search Air China flights
EVA Air	PriceFrom $1,188	Free Cancellation	Rating 8.5 1,524 reviews	Search EVA Air flights
United Airlines	PriceFrom $1,219	Free Cancellation	Rating 7.4 10,205 reviews	Search United Airlines flights

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Why use momondo?

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 $483

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 12/20. 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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Qatar Airways flights from Singapore to Washington, D.C. Dulles Intl Airport

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

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

Our best Emirates 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

What is the cheapest month to fly 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

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An easier way to manage your Washington, D.C. Dulles Intl Airport trip

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List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

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