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

Gulf Air, Etihad Airways, and Korean Air are the most popular carriers operating from Washington, D.C. to Singapore

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

Flight times from Washington, D.C. to Singapore vary, but if you’re flying out of Baltimore and flying into Singapore (one of the most popular routes), then the duration is 24h 55m on average. Another popular route from Washington, D.C. to Singapore is flying from Washington, D.C. to Singapore, which will take roughly 25h 37m. Keep in mind that layovers or delays could extend your travel time.

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 41% of people opting to fly with this airline when traveling to Singapore. Keep in mind that there are 7 different airlines that fly to Singapore on a routine basis, so you have a few additional options to choose from.

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

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

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

The number of operators available for flights from Washington, D.C. to Singapore is 7 as of October 2026.

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

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.

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

The necessary travel and health documents for your Singapore trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$470 Cheap Flights from Washington, D.C. to Singapore in 2026/27

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

1:15 pm - 5:00 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

27h 45m1 stop Incheon Intl

10:00 pm - 2:41 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

28h 41m2 stops Incheon Intl Atlanta Hartsfield-Jackson

$1,179Korean Air

Mon, Apr 12 - Sun, Apr 18

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

22h 40m1 stop Incheon Intl

10:00 pm - 2:41 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

28h 41m2 stops Incheon Intl Atlanta Hartsfield-Jackson

$1,179Korean Air

Fri, Apr 16 - Mon, May 3

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

30h 10m1 stop Abu Dhabi Zayed Intl

2:15 am - 8:23 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

31h 08m3 stops Jeddah King Abdulaziz Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$1,179Multiple Airlines

Thu, Feb 4 - Fri, Feb 19

8:05 pm - 8:45 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

23h 40m1 stop Doha Hamad Intl

3:15 am - 11:09 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

32h 54m2 stops Doha Hamad Intl Dallas/Fort Worth

$1,181Qatar Airways

Thu, Nov 12 - Mon, Nov 23

7:45 am - 8:00 amDCA Washington, D.C. Reagan-National-SIN Singapore Changi

35h 15m1 stop San Francisco

10:10 am - 8:39 pmSIN Singapore Changi-DCA Washington, D.C. Reagan-National

22h 29m1 stop San Francisco

$1,182United Airlines

Tue, Jan 19 - Tue, Mar 23

8:05 pm - 10:30 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

25h 25m2 stops Doha Hamad Intl Kuala Lumpur Intl

9:20 pm - 3:55 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

31h 35m2 stops Kuala Lumpur Intl Doha Hamad Intl

$1,183Qatar Airways

Mon, Jan 25 - Sun, Feb 28

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

30h 30m1 stop Abu Dhabi Zayed Intl

9:00 pm - 2:51 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

29h 51m2 stops Abu Dhabi Zayed Intl Charlotte Douglas

$1,184Multiple Airlines

Sun, Apr 4 - Fri, Apr 16

5:54 pm - 8:00 amDCA Washington, D.C. Reagan-National-SIN Singapore Changi

25h 06m1 stop San Francisco

10:20 pm - 10:44 amSIN Singapore Changi-DCA Washington, D.C. Reagan-National

24h 24m2 stops San Francisco Chicago O'Hare Intl

$1,186United Airlines

Tue, Jan 19 - Mon, Mar 22

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

22h 25m1 stop Istanbul

11:40 am - 11:45 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

37h 05m1 stop Istanbul

$1,194Turkish Airlines

Wed, Dec 30 - Wed, Jan 13

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

22h 25m1 stop Istanbul

10:25 am - 11:45 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

38h 20m1 stop Istanbul

$1,198Turkish Airlines

Wed, Dec 30 - Sat, Jan 16

Cheap last minute flights

Enter your travel dates to find the best prices.

3:08 pm - 1:00 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

33h 52m2 stops Dallas/Fort Worth Hong Kong Intl

7:30 am - 5:38 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

35h 08m2 stops Hong Kong Intl Los Angeles

$1,195Multiple Airlines

Tue, Oct 27 - Tue, Nov 3

6:15 am - 8:15 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

26h 00m1 stop San Francisco

10:10 am - 10:44 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

25h 34m2 stops San Francisco Houston George Bush Intcntl

$1,218United Airlines

Thu, Oct 29 - Fri, Nov 6

11:15 am - 9:45 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

22h 30m1 stop Dubai Intl

10:30 am - 8:35 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

35h 05m1 stop Dubai Intl

$1,255Emirates

Fri, Oct 30 - Tue, Nov 3

10:10 pm - 8:15 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

34h 05m2 stops Los Angeles San Francisco

10:10 am - 10:44 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

25h 34m2 stops San Francisco Houston George Bush Intcntl

$1,258United Airlines

Thu, Oct 29 - Fri, Nov 6

9:10 pm - 6:40 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

33h 30m2 stops Zurich Colombo Bandaranaike Intl

12:05 am - 5:00 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

29h 55m1 stop Zurich

$1,261Multiple Airlines

Thu, Oct 29 - Mon, Dec 28

3:25 pm - 11:30 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

32h 05m2 stops Abu Dhabi Zayed Intl Kuala Lumpur Intl

7:25 pm - 9:00 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

26h 35m1 stop Abu Dhabi Zayed Intl

$1,270Multiple Airlines

Thu, Oct 29 - Thu, Nov 5

11:25 am - 7:55 amBWI Baltimore/Washington-SIN Singapore Changi

32h 30m1 stop Los Angeles

9:20 am - 9:05 pmSIN Singapore Changi-BWI Baltimore/Washington

24h 45m2 stops Tokyo Narita Los Angeles

$2,744Singapore Airlines

Sat, Oct 31 - Sat, Nov 7

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

36h 10m1 stop Doha Hamad Intl

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

25h 40m1 stop Doha Hamad Intl

$9,352Qatar Airways

Sat, Oct 31 - Wed, Nov 4

8:00 am - 7:00 amBWI Baltimore/Washington-SIN Singapore Changi

35h 00m1 stop San Francisco

10:10 am - 11:08 pmSIN Singapore Changi-BWI Baltimore/Washington

25h 58m2 stops San Francisco Denver Intl

$13,846United Airlines

Sat, Oct 31 - Thu, Nov 5

11:25 am - 7:55 amBWI Baltimore/Washington-SIN Singapore Changi

32h 30m1 stop Los Angeles

9:20 am - 5:34 amSIN Singapore Changi-BWI Baltimore/Washington

33h 14m2 stops Tokyo Narita Los Angeles

$17,689Singapore Airlines

Sat, Oct 31 - Thu, Nov 5

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Japan Airlines flights from Washington, D.C. to Singapore

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

Japan Airlines

Feb 2

DCA5:00 amWashington, D.C. Reagan-National

36h 40m

2 stops

SIN6:40 amSingapore Changi

Feb 10

SIN2:20 amSingapore Changi

31h 05m

2 stops

DCA8:25 pmWashington, D.C. Reagan-National

$1,222

Japan Airlines

Jan 6

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

35h 40m

2 stops

SIN6:40 amSingapore Changi

Jan 19

SIN2:20 amSingapore Changi

30h 17m

2 stops

DCA7:37 pmWashington, D.C. Reagan-National

$1,225

Japan Airlines

Nov 5

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

35h 40m

2 stops

SIN6:40 amSingapore Changi

Nov 10

SIN2:20 amSingapore Changi

31h 40m

2 stops

DCA9:00 pmWashington, D.C. Reagan-National

$1,284

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

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

Korean Air

Dec 7

IAD8:07 amWashington, D.C. Dulles Intl

31h 53m

2 stops

SIN5:00 amSingapore Changi

Dec 15

SIN1:40 amSingapore Changi

21h 10m

1 stop

IAD9:50 amWashington, D.C. Dulles Intl

$1,183

Korean Air

Apr 7

DCA8:20 amWashington, D.C. Reagan-National

27h 35m

2 stops

SIN11:55 pmSingapore Changi

Apr 21

SIN10:00 pmSingapore Changi

28h 38m

2 stops

DCA2:38 pmWashington, D.C. Reagan-National

$1,184

Korean Air

Dec 3

IAD11:50 amWashington, D.C. Dulles Intl

28h 10m

1 stop

SIN5:00 amSingapore Changi

Dec 13

SIN10:30 pmSingapore Changi

26h 09m

2 stops

IAD11:39 amWashington, D.C. Dulles Intl

$1,188

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

Mon 4/12

1:15 pm-5:00 am

1 stop27h 45m

Singapore Changi

Sun 4/18

10:00 pm-2:41 pm

2 stops28h 41m

$1,179

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Fri 4/16

1:15 pm-11:55 pm

1 stop22h 40m

Singapore Changi

Mon 5/3

10:00 pm-2:41 pm

2 stops28h 41m

$1,179

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Thu 2/4

2:25 pm-9:35 am

1 stop30h 10m

Singapore Changi

Fri 2/19

2:15 am-8:23 pm

3 stops31h 08m

$1,179

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Thu 11/12

8:05 pm-8:45 am

1 stop23h 40m

Singapore Changi

Mon 11/23

3:15 am-11:09 pm

2 stops32h 54m

$1,181

Washington, D.C.Singapore

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

DCASIN

Washington, D.C. Reagan-National

Tue 1/19

7:45 am-8:00 am

1 stop35h 15m

Singapore Changi

Tue 3/23

10:10 am-8:39 pm

1 stop22h 29m

$1,182

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Mon 1/25

8:05 pm-10:30 am

2 stops25h 25m

Singapore Changi

Sun 2/28

9:20 pm-3:55 pm

2 stops31h 35m

$1,183

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Sun 4/4

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Fri 4/16

9:00 pm-2:51 pm

2 stops29h 51m

$1,184

Quickest round-trip

Washington, D.C.Singapore

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

DCASIN

Washington, D.C. Reagan-National

Tue 1/19

5:54 pm-8:00 am

1 stop25h 06m

Singapore Changi

Mon 3/22

10:20 pm-10:44 am

2 stops24h 24m

$1,186

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Wed 12/30

9:20 pm-8:45 am

1 stop22h 25m

Singapore Changi

Wed 1/13

11:40 am-11:45 am

1 stop37h 05m

$1,194

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Wed 12/30

9:20 pm-8:45 am

1 stop22h 25m

Singapore Changi

Sat 1/16

10:25 am-11:45 am

1 stop38h 20m

$1,198

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

Other information

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 $970. 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 $1,157.

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 $1,323 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 $968 on momondo.

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

You could potentially save up to 16% on your flight if you consider stops on a Washington, D.C. to Singapore flight.

Cheap Washington, D.C. to Singapore 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	$470
Fastest flight time	23h 40m
Direct flights	None

The best one-way flight to Singapore from Washington, D.C. in the past 72 hours is $470. The best round-trip flight deal from Washington, D.C. to Singapore found on momondo in the last 72 hours is $1,179.

The fastest flight from Washington, D.C. to Singapore takes 23h 40m

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

When did momondo last update prices for flights from Washington, D.C. to Singapore?
Prices for flights from Washington, D.C. to Singapore were last updated today.
How many operators does momondo search for flights from Washington, D.C. to Singapore?
The number of operators available for flights from Washington, D.C. to Singapore is 7 as of October 2026.
How old do you have to be to fly from Washington, D.C. to Singapore?
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.
What documentation or ID do you need to fly to Singapore?
The necessary travel and health documents for your Singapore trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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 $835	Free Cancellation	Rating 7.3 1,550 reviews	Search Etihad Airways flights
Turkish Airlines	PriceFrom $938	Free Cancellation	Rating 7.4 4,458 reviews	Search Turkish Airlines flights
Korean Air	PriceFrom $984	Free Cancellation	Rating 8.4 1,219 reviews	Search Korean Air flights
Qatar Airways	PriceFrom $987	Free Cancellation	Rating 7.3 3,707 reviews	Search Qatar Airways flights
United Airlines	PriceFrom $1,125	Free Cancellation	Rating 7.3 10,441 reviews	Search United Airlines flights
Singapore Airlines	PriceFrom $1,227	Free Cancellation	Rating 8.2 1,627 reviews	Search Singapore Airlines flights
JetBlue	PriceFrom $1,314	Free Cancellation	Rating 7.1 3,067 reviews	Search JetBlue flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Singapore for you.

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

Yes. All flights to Singapore from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Singapore from Washington, D.C..

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

Price alerts on flights to Singapore from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Flights to Singaporefrom $606

Cheap flights from Washington, D.C. to Singapore from $470

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 2/9. 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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Japan Airlines flights from Washington, D.C. to Singapore

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

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

Our best Korean Air 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 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?

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

What airlines fly to Singapore?

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

Cheap Washington, D.C. to Singapore 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

Popular cities in Singapore

Popular flights according to clicks in the last 7 days on momondo

Washington, D.C. flight routes

According to popular flight searches on momondo this year

Singapore flight routes

According to popular flight searches on momondo this year

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.

Complete your trip to Singapore

Explore popular destinations other users love

According to popular flight searches on momondo this year