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

Taipei City (TPE) has the shortest average layover time for this route: 1h 30m.

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

Flights via Incheon (ICN) offer the lowest average round-trip price of $1,089.

What airlines fly to Singapore?

Turkish Airlines, United Airlines and Qatar Airways are the top three most popular airlines that fly to Singapore from Washington, D.C. according to our data. Turkish Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Singapore. Keep in mind that there are 6 different airlines that fly to Singapore on a routine basis, so you have a few additional options to choose from.

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

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 21h 45m.

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

SAUDIA, Air Canada, and Etihad Airways are the most popular carriers operating from Washington, D.C. to Singapore Changi

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

Doha (DOH) was the most common stop: 25% of momondo users choosing 1-stop flights on this route connected there.

How long does it take to fly to Singapore?

The flight from Washington, D.C. to Singapore depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Washington, D.C. (a popular airport in Washington, D.C.) to Singapore (the most popular airport in Singapore), then the flight time is 24h 37m on average. If you fly from Baltimore (another popular airport in Washington, D.C.) to Singapore, then the average flight time is 27h 40m.

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

Prices for flights from Washington, D.C. to Singapore Changi Airport were last updated today.

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

As of September 2026, there are 6 operators available to choose from for flights from Washington, D.C. to Singapore Changi Airport.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Singapore Changi Airport.

What documentation or ID do you need to fly to Singapore Changi Airport?

The travel and health documents you'll need for your trip to Singapore Changi Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Singapore Changi Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$414 Cheap Flights from Washington, D.C. to Singapore in 2026

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

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10:00 pm - 4:15 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

29h 15m1 stop Beijing Capital

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

31h 35m1 stop Beijing Capital

$1,013Air China

Tue, Nov 3 - Thu, Nov 12

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

43h 50m1 stop Beijing Capital

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

31h 35m1 stop Beijing Capital

$1,020Air China

Tue, Nov 3 - Mon, Nov 9

3:10 pm - 9:40 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

30h 30m1 stop Abu Dhabi Zayed Intl

9:00 pm - 9:45 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

24h 45m1 stop Abu Dhabi Zayed Intl

$1,042Etihad Airways

Tue, Sep 22 - Tue, Oct 6

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

30h 00m1 stop Abu Dhabi Zayed Intl

7:25 pm - 9:05 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

26h 40m1 stop Abu Dhabi Zayed Intl

$1,043Etihad Airways

Wed, Jan 13 - Wed, Jan 20

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

22h 25m1 stop Istanbul

11:15 pm - 11:45 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

25h 30m1 stop Istanbul

$1,081Turkish Airlines

Thu, Nov 12 - Tue, Nov 24

9:40 pm - 11:10 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

25h 30m1 stop Istanbul

4:35 am - 8:25 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

27h 50m1 stop Istanbul

$1,081Turkish Airlines

Thu, Oct 22 - Wed, Oct 28

8:50 am - 11:55 pmDCA Washington, D.C. Reagan-National-SIN Singapore Changi

27h 05m2 stops Boston Logan Intl Incheon Intl

10:30 pm - 4:37 pmSIN Singapore Changi-DCA Washington, D.C. Reagan-National

30h 07m2 stops Incheon Intl New York John F Kennedy Intl

$1,102Korean Air

Mon, Oct 19 - Mon, Oct 26

8:05 pm - 2:55 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

29h 50m1 stop Doha Hamad Intl

8:15 pm - 3:55 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

32h 40m1 stop Doha Hamad Intl

$1,143Qatar Airways

Mon, Mar 1 - Mon, Mar 8

11:50 am - 5:00 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

28h 10m1 stop Incheon Intl

10:30 pm - 9:50 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

24h 20m1 stop Incheon Intl

$1,160Korean Air

Thu, Feb 18 - Wed, Mar 3

9:00 pm - 9:15 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

36h 15m1 stop Doha Hamad Intl

3:15 am - 3:40 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

24h 25m1 stop Doha Hamad Intl

$1,166Qatar Airways

Mon, Oct 12 - Tue, Oct 20

Cheap last minute flights

Enter your travel dates to find the best prices.

9:03 am - 9:05 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

36h 02m2 stops Seattle/Tacoma Intl Manila Ninoy Aquino Intl

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

37h 35m1 stop Beijing Capital

$1,009Multiple Airlines

Wed, Sep 9 - Thu, Sep 17

3:10 pm - 9:40 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

30h 30m1 stop Abu Dhabi Zayed Intl

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

37h 35m1 stop Beijing Capital

$1,017Multiple Airlines

Wed, Sep 9 - Thu, Sep 17

3:10 pm - 9:40 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

30h 30m1 stop Abu Dhabi Zayed Intl

9:00 pm - 9:45 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

24h 45m1 stop Abu Dhabi Zayed Intl

$1,035Etihad Airways

Wed, Sep 9 - Wed, Sep 23

3:10 pm - 9:40 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

30h 30m1 stop Abu Dhabi Zayed Intl

9:00 pm - 9:45 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

24h 45m1 stop Abu Dhabi Zayed Intl

$1,050Etihad Airways

Wed, Sep 9 - Wed, Sep 23

9:00 pm - 8:50 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

23h 50m1 stop Doha Hamad Intl

4:35 pm - 8:45 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

28h 10m2 stops Kuala Lumpur Intl Doha Hamad Intl

$1,170Qatar Airways

Wed, Sep 9 - Wed, Sep 23

1:15 pm - 11:55 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

22h 40m1 stop Incheon Intl

1:25 am - 12:41 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

35h 16m2 stops Incheon Intl Atlanta Hartsfield-Jackson

$1,171Korean Air

Wed, Sep 9 - Tue, Sep 22

1:15 pm - 7:15 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

42h 00m1 stop Incheon Intl

10:00 pm - 2:11 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

28h 11m2 stops Incheon Intl Atlanta Hartsfield-Jackson

$1,171Korean Air

Wed, Sep 9 - Wed, Sep 23

11:05 am - 9:15 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

22h 10m1 stop Doha Hamad Intl

3:35 pm - 3:40 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

36h 05m2 stops Kuala Lumpur Intl Doha Hamad Intl

$1,176Qatar Airways

Thu, Sep 10 - Thu, Sep 24

3:30 pm - 6:15 amDCA Washington, D.C. Reagan-National-SIN Singapore Changi

26h 45m2 stops Chicago O'Hare Intl San Francisco

8:45 am - 10:30 pmSIN Singapore Changi-DCA Washington, D.C. Reagan-National

25h 45m1 stop San Francisco

$1,562United Airlines

Sat, Sep 12 - Thu, Sep 24

1:05 pm - 6:15 amBWI Baltimore/Washington-SIN Singapore Changi

29h 10m2 stops Houston George Bush Intcntl San Francisco

8:35 pm - 7:20 amSIN Singapore Changi-BWI Baltimore/Washington

22h 45m1 stop San Francisco

$1,963United Airlines

Sat, Sep 12 - Thu, Sep 24

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Air Canada flights from Washington, D.C. to Singapore

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

Air Canada

Nov 12

DCA6:00 amWashington, D.C. Reagan-National

36h 00m

2 stops

SIN7:00 amSingapore Changi

Nov 24

SIN8:40 amSingapore Changi

38h 49m

2 stops

DCA10:29 amWashington, D.C. Reagan-National

$1,026

Air Canada

Jan 13

DCA9:40 amWashington, D.C. Reagan-National

32h 20m

2 stops

SIN7:00 amSingapore Changi

Jan 26

SIN8:40 amSingapore Changi

38h 49m

2 stops

DCA10:29 amWashington, D.C. Reagan-National

$1,031

Air Canada

Sep 21

IAD9:07 amWashington, D.C. Dulles Intl

56h 08m

2 stops

SIN5:15 amSingapore Changi

Oct 6

SIN7:00 amSingapore Changi

40h 13m

2 stops

IAD11:13 amWashington, D.C. Dulles Intl

$1,032

Delta flights from Washington, D.C. to Singapore

Our best Delta deals on Washington, D.C. to Singapore flight tickets

Delta

Nov 1

DCA6:10 amWashington, D.C. Reagan-National

33h 50m

2 stops

SIN5:00 amSingapore Changi

Nov 8

SIN10:30 pmSingapore Changi

38h 07m

2 stops

DCA11:37 pmWashington, D.C. Reagan-National

$1,171

Delta

Mar 3

DCA7:40 amWashington, D.C. Reagan-National

32h 20m

2 stops

SIN5:00 amSingapore Changi

Mar 17

SIN10:40 amSingapore Changi

24h 38m

2 stops

DCA11:18 pmWashington, D.C. Reagan-National

$1,227

Delta

Nov 1

BWI6:10 amBaltimore/Washington

29h 00m

2 stops

SIN12:10 amSingapore Changi

Nov 12

SIN1:35 amSingapore Changi

49h 30m

2 stops

BWI2:05 pmBaltimore/Washington

$1,364

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Tue 11/3

10:00 pm-4:15 pm

1 stop29h 15m

Singapore Changi

Thu 11/12

11:55 pm-6:30 pm

1 stop31h 35m

$1,013

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Tue 11/3

10:00 pm-6:50 am

1 stop43h 50m

Singapore Changi

Mon 11/9

11:55 pm-6:30 pm

1 stop31h 35m

$1,020

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Tue 9/22

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Tue 10/6

9:00 pm-9:45 am

1 stop24h 45m

$1,042

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Wed 1/13

2:35 pm-9:35 am

1 stop30h 00m

Singapore Changi

Wed 1/20

7:25 pm-9:05 am

1 stop26h 40m

$1,043

Quickest round-trip

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Thu 11/12

9:20 pm-8:45 am

1 stop22h 25m

Singapore Changi

Tue 11/24

11:15 pm-11:45 am

1 stop25h 30m

$1,081

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Thu 10/22

9:40 pm-11:10 am

1 stop25h 30m

Singapore Changi

Wed 10/28

4:35 am-8:25 pm

1 stop27h 50m

$1,081

Washington, D.C.Singapore

DCA Washington, D.C. Reagan-National - SIN Singapore Changi

DCASIN

Washington, D.C. Reagan-National

Mon 10/19

8:50 am-11:55 pm

2 stops27h 05m

Singapore Changi

Mon 10/26

10:30 pm-4:37 pm

2 stops30h 07m

$1,102

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Mon 3/1

8:05 pm-2:55 pm

1 stop29h 50m

Singapore Changi

Mon 3/8

8:15 pm-3:55 pm

1 stop32h 40m

$1,143

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Thu 2/18

11:50 am-5:00 am

1 stop28h 10m

Singapore Changi

Wed 3/3

10:30 pm-9:50 am

1 stop24h 20m

$1,160

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Mon 10/12

9:00 pm-9:15 pm

1 stop36h 15m

Singapore Changi

Tue 10/20

3:15 am-3:40 pm

1 stop24h 25m

$1,166

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 Washington, D.C. to Singapore

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

Other information

What is the typical price of a round-trip flight between Washington, D.C. and Singapore?

Prices are currently low for flights on this route.

Typical prices usually range from $1,224 to $1,443.
The lowest price recently found on this route was $1,013.

What is the cheapest month to fly to Singapore?

The month of February is, on average, the cheapest month to fly to Singapore from Washington, D.C., with most prices found around $1,026. If you aren’t able to travel to Singapore during the month of February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $1,149.

How far in advance should I book a flight from Washington, D.C. to Singapore?

You are more likely to see cheaper flights to Singapore from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Singapore for around $1,338 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Singapore from Washington, D.C. for as low as $969 on momondo.

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

You could potentially save up to 4% on your flight if you consider stops on a Washington, D.C. to Singapore flight.

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

As of September 2026, prices for Washington, D.C. to Singapore flights are approximately 3% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. to Singapore

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

Estimated round-trip price

Cheap Washington, D.C. to Singapore (WAS to SIN) flight deals and tips

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

Best Price Found	$414
Fastest flight time	23h 35m
Direct flights	None

The best one-way flight to Singapore from Washington, D.C. in the past 72 hours is $414. The best round-trip flight deal from Washington, D.C. to Singapore found on momondo in the last 72 hours is $1,013.

The fastest flight from Washington, D.C. to Singapore takes 23h 35m

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

Search flight deals

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

How far is Washington, D.C. to Singapore Changi by plane?
The straight-line distance from Washington, D.C. to Singapore Changi is 9651.2 mi. A reasonable flight in good conditions will take 23h 35m.
When did momondo last update prices for flights from Washington, D.C. to Singapore Changi Airport?
Prices for flights from Washington, D.C. to Singapore Changi Airport were last updated today.
How many operators does momondo search for flights from Washington, D.C. to Singapore Changi Airport?
As of September 2026, there are 6 operators available to choose from for flights from Washington, D.C. to Singapore Changi Airport.
How old do you have to be to fly from Washington, D.C. to Singapore Changi Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Singapore Changi Airport.
What documentation or ID do you need to fly to Singapore Changi Airport?
The travel and health documents you'll need for your trip to Singapore Changi Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Singapore Changi Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Washington, D.C. to Singapore?
momondo data reveals that the most frequently booked airline on the route from Washington, D.C. to Singapore is United Airlines, representing 20% of all bookings. The subsequent popular airlines are JetBlue at 20%, Turkish Airlines at 20%, and Qatar Airways at 14%.

Best airlines flying from Washington, D.C. to Singapore

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

Airline	Rating	Free Cancellation	Price
Etihad Airways	PriceFrom $915	Free Cancellation	Rating 7.3 1,533 reviews	Search Etihad Airways flights
Turkish Airlines	PriceFrom $938	Free Cancellation	Rating 7.4 4,477 reviews	Search Turkish Airlines flights
Qatar Airways	PriceFrom $1,039	Free Cancellation	Rating 7.3 3,733 reviews	Search Qatar Airways flights
Korean Air	PriceFrom $1,069	Free Cancellation	Rating 8.4 1,221 reviews	Search Korean Air flights
United Airlines	PriceFrom $1,124	Free Cancellation	Rating 7.4 10,173 reviews	Search United Airlines flights
JetBlue	PriceFrom $1,298	Free Cancellation	Rating 7.1 3,047 reviews	Search JetBlue flights

Why use momondo?

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

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

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

All flight searches from Washington, D.C. to Singapore on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Washington, D.C. to Singapore flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Washington, D.C. to Singapore flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from Washington, D.C. to Singapore from $414

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Singapore departing on 9/11. 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 Washington, D.C. to Singapore

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

Delta flights from Washington, D.C. to Singapore

Our best Delta deals on Washington, D.C. to Singapore flight tickets

momondo Fare Finder

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

See travel insights to Singapore from

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

What is the typical price of a round-trip flight between Washington, D.C. and Singapore?

What is the cheapest month to fly to Singapore?

How far in advance should I book a flight from Washington, D.C. to Singapore?

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

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

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

What airlines fly to Singapore?

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

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

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

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

How long does it take to fly to Singapore?

When to book flights from Washington, D.C. to Singapore

Cheap Washington, D.C. to Singapore (WAS to SIN) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

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

Best airlines flying from Washington, D.C. to Singapore

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

Why use momondo?

An easier way to manage your Singapore trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Singapore

Fly your favorite airline to Singapore

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Singapore

List of cabin classes available on flights landing in Singapore. Availability may vary depending on flight origin and airline.

Fly to other destinations from Washington, D.C.

According to popular flight searches on momondo this year

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According to popular flight searches on momondo this year