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

Korean Air, Delta, and SAUDIA 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 26m on average. Another popular route from Washington, D.C. to Singapore is flying from Washington, D.C. to Singapore, which will take roughly 24h 27m. 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 42% 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.

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.

$447 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.

10:00 am - 2:50 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

39h 50m1 stop Addis Ababa Bole

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

43h 00m2 stops Addis Ababa Bole Rome Fiumicino

$878Ethiopian Air

Wed, Nov 11 - Tue, Nov 17

10:00 am - 2:50 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

39h 50m1 stop Addis Ababa Bole

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

43h 00m2 stops Addis Ababa Bole Rome Fiumicino

$889Ethiopian Air

Tue, Nov 10 - Sun, Nov 29

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

30h 30m1 stop Abu Dhabi Zayed Intl

7:25 pm - 10:05 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

26h 40m1 stop Abu Dhabi Zayed Intl

$1,010Etihad Airways

Thu, Oct 15 - Wed, Oct 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 - 9:45 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

24h 45m1 stop Abu Dhabi Zayed Intl

$1,025Etihad Airways

Tue, Oct 13 - Wed, Oct 21

1:30 pm - 5:40 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

39h 10m1 stop Istanbul

11:40 am - 7:25 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

44h 45m1 stop Istanbul

$1,103Turkish Airlines

Wed, Nov 11 - Wed, Nov 18

9:20 pm - 5:40 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

31h 20m1 stop Istanbul

4:35 am - 7:25 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

27h 50m1 stop Istanbul

$1,110Turkish Airlines

Wed, Nov 11 - Tue, Nov 17

11:05 am - 12:10 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

25h 05m2 stops Doha Hamad Intl Kuala Lumpur Intl

7:40 pm - 3:55 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

32h 15m1 stop Doha Hamad Intl

$1,122Qatar Airways

Tue, Oct 13 - Wed, Oct 21

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

$1,136Korean Air

Wed, Nov 4 - Sat, Nov 21

8:05 am - 5:00 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

31h 55m2 stops Atlanta Hartsfield-Jackson Incheon Intl

1:40 am - 9:50 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

21h 10m1 stop Incheon Intl

$1,180Korean Air

Thu, Nov 12 - Mon, Nov 23

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

22h 10m1 stop Doha Hamad Intl

3:35 pm - 8:45 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

29h 10m2 stops Kuala Lumpur Intl Doha Hamad Intl

$1,197Qatar Airways

Sat, Oct 17 - Fri, Oct 23

Cheap last minute flights

Enter your travel dates to find the best prices.

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

22h 10m1 stop Doha Hamad Intl

7:40 pm - 3:55 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

32h 15m1 stop Doha Hamad Intl

$1,055Qatar Airways

Thu, Oct 8 - Tue, Oct 13

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

24h 10m1 stop Doha Hamad Intl

7:40 pm - 8:45 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

25h 05m1 stop Doha Hamad Intl

$1,055Qatar Airways

Tue, Oct 6 - Mon, Oct 12

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

39h 55m1 stop Addis Ababa Bole

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

29h 30m2 stops Addis Ababa Bole Lome

$1,157Ethiopian Air

Sun, Oct 4 - Fri, Oct 9

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

39h 55m1 stop Addis Ababa Bole

2:00 am - 9:00 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

43h 00m2 stops Addis Ababa Bole Rome Fiumicino

$1,189Ethiopian Air

Wed, Oct 7 - Sat, Oct 24

9:40 pm - 5:55 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

32h 15m1 stop Istanbul

11:10 am - 11:30 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

36h 20m1 stop Istanbul

$1,220Turkish Airlines

Sun, Oct 4 - Sat, Oct 10

9:40 pm - 5:55 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

32h 15m1 stop Istanbul

5:25 am - 11:30 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

42h 05m1 stop Istanbul

$1,226Turkish Airlines

Sun, Oct 4 - Tue, Oct 20

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

$1,285Etihad Airways

Mon, Oct 5 - Tue, Oct 20

6:37 pm - 6:15 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

23h 38m1 stop San Francisco

8:35 pm - 3:04 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

30h 29m1 stop San Francisco

$1,341United Airlines

Tue, Oct 6 - Sun, Oct 18

8:05 am - 6:15 amBWI Baltimore/Washington-SIN Singapore Changi

34h 10m1 stop San Francisco

8:35 pm - 11:56 amSIN Singapore Changi-BWI Baltimore/Washington

27h 21m2 stops San Francisco Houston George Bush Intcntl

$1,341United Airlines

Tue, Oct 6 - Sun, Oct 18

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

$1,387Etihad Airways

Wed, Oct 7 - Wed, Oct 21

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

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

Ethiopian Air

Nov 11

IAD10:00 amWashington, D.C. Dulles Intl

39h 50m

1 stop

SIN2:50 pmSingapore Changi

Nov 17

SIN2:00 amSingapore Changi

43h 00m

2 stops

IAD8:00 amWashington, D.C. Dulles Intl

$878

Ethiopian Air

Nov 10

IAD10:00 amWashington, D.C. Dulles Intl

39h 50m

1 stop

SIN2:50 pmSingapore Changi

Nov 29

SIN2:00 amSingapore Changi

43h 00m

2 stops

IAD8:00 amWashington, D.C. Dulles Intl

$889

Ethiopian Air

Nov 11

IAD10:00 amWashington, D.C. Dulles Intl

39h 50m

1 stop

SIN2:50 pmSingapore Changi

Nov 17

SIN2:00 amSingapore Changi

43h 00m

2 stops

IAD8:00 amWashington, D.C. Dulles Intl

$899

Etihad Airways flights from Washington, D.C. to Singapore

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

Etihad Airways

Oct 15

IAD3:10 pmWashington, D.C. Dulles Intl

30h 30m

1 stop

SIN9:40 amSingapore Changi

Oct 28

SIN7:25 pmSingapore Changi

26h 40m

1 stop

IAD10:05 amWashington, D.C. Dulles Intl

$1,010

Etihad Airways

Oct 13

IAD3:10 pmWashington, D.C. Dulles Intl

30h 30m

1 stop

SIN9:40 amSingapore Changi

Oct 21

SIN9:00 pmSingapore Changi

24h 45m

1 stop

IAD9:45 amWashington, D.C. Dulles Intl

$1,025

Etihad Airways

Oct 13

IAD3:10 pmWashington, D.C. Dulles Intl

30h 30m

1 stop

SIN9:40 amSingapore Changi

Oct 27

SIN7:25 pmSingapore Changi

26h 40m

1 stop

IAD10:05 amWashington, D.C. Dulles Intl

$1,027

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 11/11

10:00 am-2:50 pm

1 stop39h 50m

Singapore Changi

Tue 11/17

2:00 am-8:00 am

2 stops43h 00m

$878

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Tue 11/10

10:00 am-2:50 pm

1 stop39h 50m

Singapore Changi

Sun 11/29

2:00 am-8:00 am

2 stops43h 00m

$889

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Thu 10/15

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Wed 10/28

7:25 pm-10:05 am

1 stop26h 40m

$1,010

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Tue 10/13

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Wed 10/21

9:00 pm-9:45 am

1 stop24h 45m

$1,025

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Wed 11/11

1:30 pm-5:40 pm

1 stop39h 10m

Singapore Changi

Wed 11/18

11:40 am-7:25 pm

1 stop44h 45m

$1,103

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Wed 11/11

9:20 pm-5:40 pm

1 stop31h 20m

Singapore Changi

Tue 11/17

4:35 am-7:25 pm

1 stop27h 50m

$1,110

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Tue 10/13

11:05 am-12:10 am

2 stops25h 05m

Singapore Changi

Wed 10/21

7:40 pm-3:55 pm

1 stop32h 15m

$1,122

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Wed 11/4

11:50 am-5:00 am

1 stop28h 10m

Singapore Changi

Sat 11/21

10:30 pm-9:50 am

1 stop24h 20m

$1,136

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Thu 11/12

8:05 am-5:00 am

2 stops31h 55m

Singapore Changi

Mon 11/23

1:40 am-9:50 am

1 stop21h 10m

$1,180

Quickest round-trip

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Sat 10/17

11:05 am-9:15 pm

1 stop22h 10m

Singapore Changi

Fri 10/23

3:35 pm-8:45 am

2 stops29h 10m

$1,197

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 $964. If you aren’t able to travel to Singapore during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $1,140.

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 $1,321 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 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	$447
Fastest flight time	22h 10m
Direct flights	None

The best one-way flight to Singapore from Washington, D.C. in the past 72 hours is $447. The best round-trip flight deal from Washington, D.C. to Singapore found on momondo in the last 72 hours is $878.

The fastest flight from Washington, D.C. to Singapore takes 22h 10m

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 1,538 reviews	Search Etihad Airways flights
Turkish Airlines	PriceFrom $938	Free Cancellation	Rating 7.4 4,455 reviews	Search Turkish Airlines flights
Qatar Airways	PriceFrom $1,011	Free Cancellation	Rating 7.3 3,727 reviews	Search Qatar Airways flights
Korean Air	PriceFrom $1,069	Free Cancellation	Rating 8.4 1,218 reviews	Search Korean Air flights
United Airlines	PriceFrom $1,125	Free Cancellation	Rating 7.4 10,280 reviews	Search United Airlines flights
JetBlue	PriceFrom $1,314	Free Cancellation	Rating 7.1 3,044 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 $582

Cheap flights from Washington, D.C. to Singapore from $447

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

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

Etihad Airways flights from Washington, D.C. to Singapore

Our best Etihad Airways 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