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

Gulf Air, Delta, 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 Washington, D.C. and flying into Singapore (one of the most popular routes), then the duration is 25h 37m on average. Another popular route from Washington, D.C. to Singapore is flying from Baltimore to Singapore, which will take roughly 28h 45m. 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 44% 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.

$443 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.

1:00 pm - 6:55 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

28h 55m2 stops Chicago O'Hare Intl Tokyo Haneda

10:20 pm - 11:43 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

26h 23m2 stops Tokyo Haneda Chicago O'Hare Intl

$1,195ANA

Tue, Feb 9 - Mon, Feb 22

8:20 am - 12:15 amDCA Washington, D.C. Reagan-National-SIN Singapore Changi

26h 55m2 stops Boston Logan Intl Incheon Intl

10:30 pm - 1:50 pmSIN Singapore Changi-DCA Washington, D.C. Reagan-National

27h 20m2 stops Incheon Intl Boston Logan Intl

$1,196Korean Air

Wed, Mar 10 - Mon, Mar 15

6:15 pm - 12:20 amBWI Baltimore/Washington-SIN Singapore Changi

41h 05m2 stops Seattle/Tacoma Intl Hong Kong Intl

6:00 pm - 5:37 amSIN Singapore Changi-BWI Baltimore/Washington

48h 37m2 stops Hong Kong Intl Seattle/Tacoma Intl

$1,196Multiple Airlines

Mon, Nov 16 - Tue, Dec 1

5:54 pm - 8:15 pmDCA Washington, D.C. Reagan-National-SIN Singapore Changi

37h 21m1 stop San Francisco

6:15 am - 8:10 pmSIN Singapore Changi-DCA Washington, D.C. Reagan-National

25h 55m2 stops Tokyo Narita Chicago O'Hare Intl

$1,201United Airlines

Tue, Jan 12 - Mon, Apr 5

5:29 pm - 6:55 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

48h 26m2 stops Chicago O'Hare Intl Tokyo Haneda

10:20 pm - 4:13 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

30h 53m2 stops San Francisco Los Angeles

$1,202United Airlines

Sun, Nov 29 - Wed, Jan 13

8:07 am - 5:00 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

31h 53m2 stops Atlanta Hartsfield-Jackson Incheon Intl

1:40 am - 5:33 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

28h 53m2 stops Incheon Intl New York John F Kennedy Intl

$1,203Korean Air

Tue, Dec 1 - Mon, Dec 7

11:55 am - 9:35 amDCA Washington, D.C. Reagan-National-SIN Singapore Changi

32h 40m2 stops Boston Logan Intl Abu Dhabi Zayed Intl

7:25 pm - 6:38 pmSIN Singapore Changi-DCA Washington, D.C. Reagan-National

35h 13m2 stops Abu Dhabi Zayed Intl Boston Logan Intl

$1,205Etihad Airways

Thu, Mar 4 - Sat, Mar 20

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

25h 25m2 stops Doha Hamad Intl Kuala Lumpur Intl

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

25h 40m1 stop Doha Hamad Intl

$1,208Qatar Airways

Mon, Nov 9 - Sun, Nov 15

9:05 pm - 11:25 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

26h 20m2 stops Doha Hamad Intl Kuala Lumpur Intl

9:15 pm - 3:40 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

30h 25m2 stops Kuala Lumpur Intl Doha Hamad Intl

$1,215Qatar Airways

Sat, Mar 27 - Sun, Apr 4

6:00 am - 5:30 amBWI Baltimore/Washington-SIN Singapore Changi

34h 30m1 stop Los Angeles

8:45 pm - 7:01 amSIN Singapore Changi-BWI Baltimore/Washington

22h 16m1 stop Los Angeles

$1,218Singapore Airlines

Wed, Mar 10 - Mon, Mar 15

Cheap last minute flights

Enter your travel dates to find the best prices.

11:30 am - 12:30 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

25h 00m2 stops Doha Hamad Intl Kuala Lumpur Intl

3:15 am - 4:55 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

25h 40m1 stop Doha Hamad Intl

$1,208Qatar Airways

Sun, Oct 25 - Thu, Oct 29

7:28 am - 8:15 pmDCA Washington, D.C. Reagan-National-SIN Singapore Changi

24h 47m1 stop San Francisco

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

24h 20m1 stop San Francisco

$1,213United Airlines

Sat, Oct 24 - Wed, Oct 28

10:55 am - 2:50 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

39h 55m1 stop Addis Ababa Bole

2:00 am - 8:05 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

30h 05m2 stops Addis Ababa Bole Lome

$1,213Ethiopian Air

Tue, Oct 20 - Fri, Oct 30

10:55 am - 2:50 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

39h 55m1 stop Addis Ababa Bole

2:00 am - 8:05 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

30h 05m2 stops Addis Ababa Bole Lome

$1,213Ethiopian Air

Tue, Oct 20 - Tue, Oct 27

7:28 am - 8:15 pmDCA Washington, D.C. Reagan-National-SIN Singapore Changi

24h 47m1 stop San Francisco

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

24h 20m1 stop San Francisco

$1,213United Airlines

Sat, Oct 24 - Mon, Oct 26

9:00 pm - 3:45 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

30h 45m1 stop Doha Hamad Intl

8:15 pm - 9:10 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

24h 55m1 stop Doha Hamad Intl

$1,221Qatar Airways

Thu, Oct 22 - Thu, Oct 29

2:30 pm - 5:40 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

39h 10m1 stop Istanbul

11:40 am - 12:45 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

37h 05m1 stop Istanbul

$1,235Turkish Airlines

Sun, Oct 25 - Fri, Oct 30

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

30h 30m1 stop Abu Dhabi Zayed Intl

7:25 pm - 10:00 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

26h 35m1 stop Abu Dhabi Zayed Intl

$1,263Etihad Airways

Thu, Oct 22 - Wed, Oct 28

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

30h 30m1 stop Abu Dhabi Zayed Intl

7:25 pm - 10:00 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

26h 35m1 stop Abu Dhabi Zayed Intl

$1,406Etihad Airways

Fri, Oct 23 - Wed, Oct 28

5:43 pm - 7:40 amBWI Baltimore/Washington-SIN Singapore Changi

25h 57m1 stop Los Angeles

8:45 pm - 8:38 pmSIN Singapore Changi-BWI Baltimore/Washington

35h 53m1 stop Los Angeles

$1,703Singapore Airlines

Wed, Oct 21 - Tue, Oct 27

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ANA flights from Washington, D.C. to Singapore

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

ANA

Feb 9

IAD1:00 pmWashington, D.C. Dulles Intl

28h 55m

2 stops

SIN6:55 amSingapore Changi

Feb 22

SIN10:20 pmSingapore Changi

26h 23m

2 stops

IAD11:43 amWashington, D.C. Dulles Intl

$1,195

ANA

Oct 26

DCA9:30 amWashington, D.C. Reagan-National

33h 25m

2 stops

SIN6:55 amSingapore Changi

Nov 3

SIN10:20 pmSingapore Changi

26h 44m

2 stops

DCA12:04 pmWashington, D.C. Reagan-National

$1,201

ANA

Jan 14

DCA1:01 pmWashington, D.C. Reagan-National

28h 54m

2 stops

SIN6:55 amSingapore Changi

Jan 18

SIN10:20 pmSingapore Changi

50h 45m

2 stops

DCA12:05 pmWashington, D.C. Reagan-National

$1,210

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

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

Korean Air

Mar 10

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

26h 55m

2 stops

SIN12:15 amSingapore Changi

Mar 15

SIN10:30 pmSingapore Changi

27h 20m

2 stops

DCA1:50 pmWashington, D.C. Reagan-National

$1,196

Korean Air

Dec 1

IAD8:07 amWashington, D.C. Dulles Intl

31h 53m

2 stops

SIN5:00 amSingapore Changi

Dec 7

SIN1:40 amSingapore Changi

28h 53m

2 stops

IAD5:33 pmWashington, D.C. Dulles Intl

$1,203

Korean Air

Nov 6

IAD8:13 amWashington, D.C. Dulles Intl

31h 47m

2 stops

SIN5:00 amSingapore Changi

Nov 10

SIN1:40 amSingapore Changi

21h 10m

1 stop

IAD9:50 amWashington, D.C. Dulles Intl

$1,223

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 2/9

1:00 pm-6:55 am

2 stops28h 55m

Singapore Changi

Mon 2/22

10:20 pm-11:43 am

2 stops26h 23m

$1,195

Washington, D.C.Singapore

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

DCASIN

Washington, D.C. Reagan-National

Wed 3/10

8:20 am-12:15 am

2 stops26h 55m

Singapore Changi

Mon 3/15

10:30 pm-1:50 pm

2 stops27h 20m

$1,196

BaltimoreSingapore

BWI Baltimore/Washington - SIN Singapore Changi

BWISIN

Baltimore/Washington

Mon 11/16

6:15 pm-12:20 am

2 stops41h 05m

Singapore Changi

Tue 12/1

6:00 pm-5:37 am

2 stops48h 37m

$1,196

Washington, D.C.Singapore

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

DCASIN

Washington, D.C. Reagan-National

Tue 1/12

5:54 pm-8:15 pm

1 stop37h 21m

Singapore Changi

Mon 4/5

6:15 am-8:10 pm

2 stops25h 55m

$1,201

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Sun 11/29

5:29 pm-6:55 am

2 stops48h 26m

Singapore Changi

Wed 1/13

10:20 pm-4:13 pm

2 stops30h 53m

$1,202

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Tue 12/1

8:07 am-5:00 am

2 stops31h 53m

Singapore Changi

Mon 12/7

1:40 am-5:33 pm

2 stops28h 53m

$1,203

Washington, D.C.Singapore

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

DCASIN

Washington, D.C. Reagan-National

Thu 3/4

11:55 am-9:35 am

2 stops32h 40m

Singapore Changi

Sat 3/20

7:25 pm-6:38 pm

2 stops35h 13m

$1,205

Quickest round-trip

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Mon 11/9

8:05 pm-10:30 am

2 stops25h 25m

Singapore Changi

Sun 11/15

3:15 am-3:55 pm

1 stop25h 40m

$1,208

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Sat 3/27

9:05 pm-11:25 am

2 stops26h 20m

Singapore Changi

Sun 4/4

9:15 pm-3:40 pm

2 stops30h 25m

$1,215

BaltimoreSingapore

BWI Baltimore/Washington - SIN Singapore Changi

BWISIN

Baltimore/Washington

Wed 3/10

6:00 am-5:30 am

1 stop34h 30m

Singapore Changi

Mon 3/15

8:45 pm-7:01 am

1 stop22h 16m

$1,218

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 $1,146.

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 $1,318 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 10% 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	$443
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 $443. The best round-trip flight deal from Washington, D.C. to Singapore found on momondo in the last 72 hours is $1,195.

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 1,547 reviews	Search Etihad Airways flights
Turkish Airlines	PriceFrom $938	Free Cancellation	Rating 7.4 4,457 reviews	Search Turkish Airlines flights
Korean Air	PriceFrom $984	Free Cancellation	Rating 8.4 1,218 reviews	Search Korean Air flights
Qatar Airways	PriceFrom $1,011	Free Cancellation	Rating 7.3 3,712 reviews	Search Qatar Airways flights
United Airlines	PriceFrom $1,125	Free Cancellation	Rating 7.3 10,389 reviews	Search United Airlines flights
Singapore Airlines	PriceFrom $1,227	Free Cancellation	Rating 8.2 1,628 reviews	Search Singapore Airlines flights
JetBlue	PriceFrom $1,314	Free Cancellation	Rating 7.1 3,059 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 $590

Cheap flights from Washington, D.C. to Singapore from $443

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 11/25. 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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ANA flights from Washington, D.C. to Singapore

Our best ANA 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