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 23h 22m on average. Another popular route from Washington, D.C. to Singapore is flying from Baltimore to Singapore, which will take roughly 23h 23m. 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 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.

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

Etihad Airways, Delta, and Korean Air are the most popular carriers operating 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 August 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.

$477 Cheap Flights from Washington, D.C. to Singapore in 2026

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:00 pm - 9:55 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

34h 55m1 stop Beijing Capital

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

37h 35m1 stop Beijing Capital

$952Air China

Tue, Sep 8 - Thu, Sep 17

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

$992Etihad Airways

Sun, Oct 11 - Tue, Oct 27

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

$997Etihad Airways

Wed, Oct 21 - Wed, Oct 28

7:35 pm - 12:45 pmDCA Washington, D.C. Reagan-National-SIN Singapore Changi

53h 10m2 stops New York John F Kennedy Intl Manama Bahrain Intl

8:00 pm - 11:10 pmSIN Singapore Changi-DCA Washington, D.C. Reagan-National

39h 10m2 stops Manama Bahrain Intl New York John F Kennedy Intl

$1,009Gulf Air

Tue, Sep 15 - Tue, Sep 22

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

22h 40m1 stop Incheon Intl

1:25 am - 11:05 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

21h 40m1 stop Incheon Intl

$1,043Korean Air

Fri, Sep 25 - Thu, Oct 8

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

22h 10m1 stop Doha Hamad Intl

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

24h 25m1 stop Doha Hamad Intl

$1,055Qatar Airways

Tue, Oct 6 - Mon, Oct 12

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

22h 10m1 stop Doha Hamad Intl

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

32h 00m1 stop Doha Hamad Intl

$1,055Qatar Airways

Thu, Oct 8 - Tue, Oct 13

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

42h 00m1 stop Incheon Intl

10:00 pm - 11:05 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

25h 05m1 stop Incheon Intl

$1,066Korean Air

Tue, Sep 22 - Sun, Sep 27

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

22h 10m1 stop Doha Hamad Intl

10:20 am - 8:45 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

34h 25m1 stop Doha Hamad Intl

$1,081JetBlue

Thu, Oct 1 - Mon, Oct 5

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

22h 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

$1,090JetBlue

Thu, Oct 8 - Mon, Oct 12

Cheap last minute flights

Enter your travel dates to find the best prices.

1:30 pm - 5:00 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

27h 30m1 stop Incheon Intl

7:30 am - 11:05 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

39h 35m1 stop Incheon Intl

$982Korean Air

Fri, Aug 28 - Sun, Sep 13

1:30 pm - 5:00 amIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

27h 30m1 stop Incheon Intl

7:30 am - 11:05 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

39h 35m1 stop Incheon Intl

$999Korean Air

Fri, Aug 28 - Sun, Sep 13

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

$1,014Etihad Airways

Mon, Aug 24 - Wed, Sep 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

$1,027Etihad Airways

Mon, Aug 24 - Wed, Sep 9

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

$1,038Multiple Airlines

Thu, Aug 27 - Thu, Sep 10

7:26 pm - 7:15 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

35h 49m2 stops Atlanta Hartsfield-Jackson Incheon Intl

10:00 pm - 10:56 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

36h 56m2 stops Incheon Intl Seattle/Tacoma Intl

$1,077Delta

Mon, Aug 24 - Wed, Sep 9

10:40 am - 9:15 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

22h 35m1 stop Doha Hamad Intl

10:20 am - 8:45 amSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

34h 25m1 stop Doha Hamad Intl

$1,090Qatar Airways

Thu, Aug 27 - Wed, Sep 2

10:40 am - 9:15 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

22h 35m1 stop Doha Hamad Intl

10:20 am - 3:40 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

41h 20m1 stop Doha Hamad Intl

$1,146Qatar Airways

Thu, Aug 27 - Fri, Sep 4

6:42 am - 6:35 pmIAD Washington, D.C. Dulles Intl-SIN Singapore Changi

23h 53m1 stop San Francisco

8:45 am - 10:59 pmSIN Singapore Changi-IAD Washington, D.C. Dulles Intl

26h 14m2 stops San Francisco Newark

$1,346United Airlines

Fri, Aug 28 - Sat, Sep 5

6:52 pm - 6:15 amBWI Baltimore/Washington-SIN Singapore Changi

23h 23m1 stop San Francisco

8:35 pm - 11:45 amSIN Singapore Changi-BWI Baltimore/Washington

27h 10m2 stops San Francisco Houston George Bush Intcntl

$2,141United Airlines

Thu, Aug 27 - Wed, Sep 2

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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 11

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

$992

Etihad Airways

Oct 21

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

$997

Etihad Airways

Sep 2

IAD3:10 pmWashington, D.C. Dulles Intl

30h 30m

1 stop

SIN9:40 amSingapore Changi

Sep 18

SIN9:00 pmSingapore Changi

24h 45m

1 stop

IAD9:45 amWashington, D.C. Dulles Intl

$1,022

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 17

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

Sep 8

IAD9:07 amWashington, D.C. Dulles Intl

32h 08m

2 stops

SIN5:15 amSingapore Changi

Sep 17

SIN7:00 amSingapore Changi

36h 43m

2 stops

IAD7:43 amWashington, D.C. Dulles Intl

$1,029

Air Canada

Feb 9

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

32h 20m

2 stops

SIN7:00 amSingapore Changi

Feb 23

SIN8:40 amSingapore Changi

38h 49m

2 stops

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

$1,030

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 9/8

11:00 pm-9:55 pm

1 stop34h 55m

Singapore Changi

Thu 9/17

5:55 pm-7:30 pm

1 stop37h 35m

$952

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Sun 10/11

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Tue 10/27

7:25 pm-10:05 am

1 stop26h 40m

$992

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Wed 10/21

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Wed 10/28

7:25 pm-10:05 am

1 stop26h 40m

$997

Washington, D.C.Singapore

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

DCASIN

Washington, D.C. Reagan-National

Tue 9/15

7:35 pm-12:45 pm

2 stops53h 10m

Singapore Changi

Tue 9/22

8:00 pm-11:10 pm

2 stops39h 10m

$1,009

Quickest round-trip

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Fri 9/25

1:15 pm-11:55 pm

1 stop22h 40m

Singapore Changi

Thu 10/8

1:25 am-11:05 am

1 stop21h 40m

$1,043

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Tue 10/6

11:05 am-9:15 pm

1 stop22h 10m

Singapore Changi

Mon 10/12

3:15 am-3:40 pm

1 stop24h 25m

$1,055

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Thu 10/8

11:05 am-9:15 pm

1 stop22h 10m

Singapore Changi

Tue 10/13

7:40 pm-3:40 pm

1 stop32h 00m

$1,055

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Tue 9/22

1:15 pm-7:15 pm

1 stop42h 00m

Singapore Changi

Sun 9/27

10:00 pm-11:05 am

1 stop25h 05m

$1,066

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Thu 10/1

11:05 am-9:15 pm

1 stop22h 10m

Singapore Changi

Mon 10/5

10:20 am-8:45 am

1 stop34h 25m

$1,081

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Thu 10/8

11:05 am-9:15 pm

1 stop22h 10m

Singapore Changi

Mon 10/12

7:40 pm-8:45 am

1 stop25h 05m

$1,090

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 $1,029. 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 $1,151.

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 $1,164 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.

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	$477
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 $477. The best round-trip flight deal from Washington, D.C. to Singapore found on momondo in the last 72 hours is $952.

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 August 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 $914	Free Cancellation	Rating 7.3 1,509 reviews	Search Etihad Airways flights
Turkish Airlines	PriceFrom $938	Free Cancellation	Rating 7.4 4,480 reviews	Search Turkish Airlines flights
Qatar Airways	PriceFrom $1,039	Free Cancellation	Rating 7.4 3,735 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 10,114 reviews	Search United Airlines flights
JetBlue	PriceFrom $1,298	Free Cancellation	Rating 7.1 3,036 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 $655

Cheap flights from Washington, D.C. to Singapore from $477

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 9/22. 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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Etihad Airways flights from Washington, D.C. to Singapore

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

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

Our best Air Canada 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