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

Korean Air, Delta, and Japan Airlines are the most popular carriers operating from Washington, D.C. to Singapore

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.

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. Keep in mind that layovers or delays could extend your travel time.

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 6 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.

$458 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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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

9:20 pm - 2:50 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

29h 30m2 stops Lome Addis Ababa Bole

2:00 am - 7:30 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

29h 30m2 stops Addis Ababa Bole Lome

$1,166Ethiopian Air

Wed, Apr 7 - Tue, Apr 20

9:20 pm - 6:50 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

44h 30m1 stop Istanbul

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

37h 05m1 stop Istanbul

$1,167Turkish Airlines

Wed, Feb 3 - Mon, Feb 15

1:30 pm - 8:45 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

30h 15m1 stop Istanbul

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

37h 05m1 stop Istanbul

$1,167Turkish Airlines

Fri, Jan 8 - Wed, Jan 13

2:23 pm - 12:50 pmDCA Washington, D.C. Reagan-National-SIN Singapore Changi

57h 27m2 stops New York John F Kennedy Intl Manama Bahrain Intl

8:00 pm - 7:19 pmSIN Singapore Changi-DCA Washington, D.C. Reagan-National

36h 19m2 stops Manama Bahrain Intl New York John F Kennedy Intl

$1,171Gulf Air

Thu, Feb 11 - Sat, Feb 27

11:50 am - 8:25 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

43h 35m1 stop Incheon Intl

10:30 pm - 5:30 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

32h 00m2 stops Incheon Intl New York John F Kennedy Intl

$1,171Korean Air

Fri, Jan 29 - Mon, Feb 22

10:05 am - 5:00 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

30h 55m2 stops Atlanta Hartsfield-Jackson Incheon Intl

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

25h 15m1 stop Incheon Intl

$1,173Korean Air

Wed, Apr 7 - Wed, Apr 21

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

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

30h 10m1 stop Abu Dhabi Zayed Intl

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

26h 35m1 stop Abu Dhabi Zayed Intl

$1,196Etihad Airways

Wed, Dec 30 - Wed, Jan 13

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

23h 40m1 stop Doha Hamad Intl

7:30 pm - 3:55 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

33h 25m2 stops Kuala Lumpur Intl Doha Hamad Intl

$1,208Qatar Airways

Sat, Nov 14 - Wed, Dec 2

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

30h 10m1 stop Abu Dhabi Zayed Intl

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

26h 35m1 stop Abu Dhabi Zayed Intl

$1,218Etihad Airways

Tue, Nov 10 - Sun, Nov 22

Cheap last minute flights

Enter your travel dates to find the best prices.

6:12 pm - 5:00 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

45h 48m2 stops Atlanta Hartsfield-Jackson Incheon Intl

10:30 pm - 12:41 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

39h 11m2 stops Incheon Intl Atlanta Hartsfield-Jackson

$1,172Delta

Tue, Nov 3 - Tue, Nov 10

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

30h 10m1 stop Abu Dhabi Zayed Intl

7:25 pm - 12:53 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

30h 28m2 stops Abu Dhabi Zayed Intl Charlotte Douglas

$1,200Multiple Airlines

Thu, Nov 5 - Wed, Nov 11

10:20 pm - 8:45 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

22h 25m1 stop Istanbul

4:35 am - 11:45 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

44h 10m1 stop Istanbul

$1,208Turkish Airlines

Sat, Oct 31 - Fri, Nov 6

5:17 pm - 11:50 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

53h 33m2 stops Seattle/Tacoma Intl Hong Kong Intl

11:15 am - 9:00 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

34h 45m3 stops Kuala Lumpur Intl Bangkok Suvarnabhumi Abu Dhabi Zayed Intl

$1,233Multiple Airlines

Tue, Nov 3 - Tue, Nov 10

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

35h 15m1 stop San Francisco

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

25h 20m1 stop San Francisco

$1,832United Airlines

Tue, Nov 3 - Mon, Nov 9

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

25h 00m1 stop San Francisco

10:10 am - 9:56 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

24h 46m1 stop San Francisco

$2,314United Airlines

Tue, Nov 3 - Mon, Nov 9

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

25h 00m1 stop San Francisco

10:20 pm - 8:58 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

23h 38m2 stops San Francisco Chicago O'Hare Intl

$2,318United Airlines

Tue, Nov 3 - Mon, Nov 9

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

29h 50m1 stop Doha Hamad Intl

10:15 am - 3:55 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

42h 40m1 stop Doha Hamad Intl

$7,464Qatar Airways

Sun, Nov 1 - 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

$8,398Qatar Airways

Sat, Oct 31 - Wed, Nov 4

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

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Delta flights from Washington, D.C. to Singapore

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

Delta

Nov 3

IAD6:12 pmWashington, D.C. Dulles Intl

45h 48m

2 stops

SIN5:00 amSingapore Changi

Nov 10

SIN10:30 pmSingapore Changi

39h 11m

2 stops

IAD12:41 amWashington, D.C. Dulles Intl

$1,172

Delta

Mar 9

IAD7:00 amWashington, D.C. Dulles Intl

28h 15m

2 stops

SIN12:15 amSingapore Changi

Mar 16

SIN10:30 amSingapore Changi

36h 20m

1 stop

IAD10:50 amWashington, D.C. Dulles Intl

$1,186

Delta

Mar 3

IAD11:50 amWashington, D.C. Dulles Intl

28h 10m

1 stop

SIN5:00 amSingapore Changi

Mar 9

SIN10:30 pmSingapore Changi

29h 11m

2 stops

IAD2:41 pmWashington, D.C. Dulles Intl

$1,191

Cathay Pacific flights from Washington, D.C. to Singapore

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

Cathay Pacific

Nov 11

IAD6:00 amWashington, D.C. Dulles Intl

29h 20m

2 stops

SIN12:20 amSingapore Changi

Nov 24

SIN12:55 pmSingapore Changi

29h 35m

2 stops

IAD5:30 amWashington, D.C. Dulles Intl

$1,250

Cathay Pacific

Mar 2

DCA10:15 amWashington, D.C. Reagan-National

30h 25m

2 stops

SIN5:40 amSingapore Changi

Mar 17

SIN7:30 amSingapore Changi

26h 29m

2 stops

DCA9:59 pmWashington, D.C. Reagan-National

$1,252

Cathay Pacific

Apr 8

DCA11:36 amWashington, D.C. Reagan-National

29h 54m

2 stops

SIN5:30 amSingapore Changi

Apr 14

SIN1:45 amSingapore Changi

32h 14m

2 stops

DCA9:59 pmWashington, D.C. Reagan-National

$1,256

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

Wed 4/7

9:20 pm-2:50 pm

2 stops29h 30m

Singapore Changi

Tue 4/20

2:00 am-7:30 pm

2 stops29h 30m

$1,166

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Wed 2/3

9:20 pm-6:50 am

1 stop44h 30m

Singapore Changi

Mon 2/15

11:40 am-11:45 am

1 stop37h 05m

$1,167

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Fri 1/8

1:30 pm-8:45 am

1 stop30h 15m

Singapore Changi

Wed 1/13

11:40 am-11:45 am

1 stop37h 05m

$1,167

Washington, D.C.Singapore

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

DCASIN

Washington, D.C. Reagan-National

Thu 2/11

2:23 pm-12:50 pm

2 stops57h 27m

Singapore Changi

Sat 2/27

8:00 pm-7:19 pm

2 stops36h 19m

$1,171

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Fri 1/29

11:50 am-8:25 pm

1 stop43h 35m

Singapore Changi

Mon 2/22

10:30 pm-5:30 pm

2 stops32h 00m

$1,171

Quickest round-trip

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Wed 4/7

10:05 am-5:00 am

2 stops30h 55m

Singapore Changi

Wed 4/21

10:00 pm-11:15 am

1 stop25h 15m

$1,173

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

Wed 12/30

2:25 pm-9:35 am

1 stop30h 10m

Singapore Changi

Wed 1/13

7:25 pm-9:00 am

1 stop26h 35m

$1,196

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Sat 11/14

8:05 pm-8:45 am

1 stop23h 40m

Singapore Changi

Wed 12/2

7:30 pm-3:55 pm

2 stops33h 25m

$1,208

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Tue 11/10

2:25 pm-9:35 am

1 stop30h 10m

Singapore Changi

Sun 11/22

7:25 pm-9:00 am

1 stop26h 35m

$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 $1,157.

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	$458
Fastest flight time	22h 25m
Direct flights	None

The best one-way flight to Singapore from Washington, D.C. in the past 72 hours is $458. The best round-trip flight deal from Washington, D.C. to Singapore found on momondo in the last 72 hours is $1,166.

The fastest flight from Washington, D.C. to Singapore takes 22h 25m

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 6 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 4,461 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 3,712 reviews	Search Qatar Airways flights
United Airlines	PriceFrom $1,125	Free Cancellation	Rating 7.3 10,451 reviews	Search United Airlines flights
Singapore Airlines	PriceFrom $1,227	Free Cancellation	Rating 8.2 1,630 reviews	Search Singapore Airlines flights
JetBlue	PriceFrom $1,314	Free Cancellation	Rating 7.1 3,075 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 $584

Cheap flights from Washington, D.C. to Singapore from $458

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 11/18. 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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Delta flights from Washington, D.C. to Singapore

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

Cathay Pacific flights from Washington, D.C. to Singapore

Our best Cathay Pacific 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