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

IndiGo, Air Canada, and Cathay Pacific 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 23h 37m on average. Another popular route from Washington, D.C. to Singapore is flying from Baltimore to Singapore, which will take roughly 24h 20m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Singapore?

United Airlines, Turkish Airlines and Qatar Airways are the top three most popular airlines that fly to Singapore from Washington, D.C. according to our data. United Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Singapore. Keep in mind that there are 9 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 9 as of January 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.

$396 Cheap Flights from Washington, D.C. to Singapore in 2026

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:40 am - 5:30 am

BWI

SIN

31h 50m1 stop

9:00 am - 5:46 pm

SIN

BWI

21h 46m1 stop

$1,036Singapore Airlines

Wed, Feb 4 - Thu, Feb 19

6:46 pm - 5:45 pm

BWI

SIN

33h 59m1 stop

8:45 pm - 4:53 pm

SIN

BWI

33h 08m1 stop

$1,090Singapore Airlines

Thu, Feb 19 - Tue, Feb 24

7:04 pm - 5:35 pm

BWI

SIN

34h 31m1 stop

8:45 pm - 4:47 pm

SIN

BWI

32h 02m1 stop

$1,092Singapore Airlines

Sat, Apr 4 - Sat, May 2

9:55 am - 5:15 am

IAD

SIN

31h 20m2 stops

7:00 am - 8:29 pm

SIN

IAD

25h 29m2 stops

$1,106Air Canada

Thu, Apr 23 - Sun, Apr 26

10:15 pm - 8:45 am

IAD

SIN

22h 30m1 stop

11:25 pm - 12:45 pm

SIN

IAD

25h 20m1 stop

$1,109Turkish Airlines

Mon, Mar 9 - Sat, Mar 21

9:45 am - 7:00 am

IAD

SIN

32h 15m2 stops

11:55 pm - 8:22 pm

SIN

IAD

32h 27m2 stops

$1,129Air Canada

Wed, Feb 18 - Wed, Sep 16

4:28 pm - 8:15 pm

DCA

SIN

38h 47m2 stops

10:10 am - 9:52 pm

SIN

DCA

24h 42m1 stop

$1,130United Airlines

Sun, Jan 18 - Wed, Jan 21

6:50 am - 12:50 am

BWI

SIN

29h 00m2 stops

1:55 am - 11:32 pm

SIN

BWI

33h 37m2 stops

$1,130American Airlines

Wed, Feb 18 - Tue, Sep 15

6:00 am - 12:50 am

BWI

SIN

29h 50m2 stops

2:20 am - 7:39 pm

SIN

BWI

30h 19m2 stops

$1,173American Airlines

Fri, Feb 6 - Tue, Feb 17

1:00 pm - 7:00 am

DCA

SIN

30h 00m2 stops

10:10 am - 9:45 pm

SIN

DCA

23h 35m1 stop

$1,176United Airlines

Sun, Mar 22 - Thu, Mar 26

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

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

Air Canada

Apr 23

IAD9:55 amWashington, D.C. Dulles Intl

31h 20m

2 stops

SIN5:15 amSingapore Changi

Apr 26

SIN7:00 amSingapore Changi

25h 29m

2 stops

IAD8:29 pmWashington, D.C. Dulles Intl

$1,106

Find similar

Air Canada

Feb 18

IAD9:45 amWashington, D.C. Dulles Intl

32h 15m

2 stops

SIN7:00 amSingapore Changi

Sep 16

SIN11:55 pmSingapore Changi

32h 27m

2 stops

IAD8:22 pmWashington, D.C. Dulles Intl

$1,129

Find similar

Air Canada

Feb 1

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

32h 20m

2 stops

SIN7:00 amSingapore Changi

Feb 7

SIN8:50 amSingapore Changi

26h 06m

2 stops

DCA9:56 pmWashington, D.C. Reagan-National

$1,133

Find similar

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

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

United Airlines

Jan 18

DCA4:28 pmWashington, D.C. Reagan-National

38h 47m

2 stops

SIN8:15 pmSingapore Changi

Jan 21

SIN10:10 amSingapore Changi

24h 42m

1 stop

DCA9:52 pmWashington, D.C. Reagan-National

$1,130

Find similar

United Airlines

Mar 22

DCA1:00 pmWashington, D.C. Reagan-National

30h 00m

2 stops

SIN7:00 amSingapore Changi

Mar 26

SIN10:10 amSingapore Changi

23h 35m

1 stop

DCA9:45 pmWashington, D.C. Reagan-National

$1,176

Find similar

United Airlines

Jan 11

IAD10:32 pmWashington, D.C. Dulles Intl

32h 43m

2 stops

SIN8:15 pmSingapore Changi

Jan 16

SIN10:10 amSingapore Changi

23h 58m

2 stops

IAD9:08 pmWashington, D.C. Dulles Intl

$1,180

Find similar

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

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Wed 2/4

8:40 am-5:30 am

1 stop31h 50m

Singapore Changi

Thu 2/19

9:00 am-5:46 pm

1 stop21h 46m

$1,036

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Thu 2/19

6:46 pm-5:45 pm

1 stop33h 59m

Singapore Changi

Tue 2/24

8:45 pm-4:53 pm

1 stop33h 08m

$1,090

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Sat 4/4

7:04 pm-5:35 pm

1 stop34h 31m

Singapore Changi

Sat 5/2

8:45 pm-4:47 pm

1 stop32h 02m

$1,092

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 4/23

9:55 am-5:15 am

2 stops31h 20m

Singapore Changi

Sun 4/26

7:00 am-8:29 pm

2 stops25h 29m

$1,106

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 3/9

10:15 pm-8:45 am

1 stop22h 30m

Singapore Changi

Sat 3/21

11:25 pm-12:45 pm

1 stop25h 20m

$1,109

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 2/18

9:45 am-7:00 am

2 stops32h 15m

Singapore Changi

Wed 9/16

11:55 pm-8:22 pm

2 stops32h 27m

$1,129

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sun 1/18

4:28 pm-8:15 pm

2 stops38h 47m

Singapore Changi

Wed 1/21

10:10 am-9:52 pm

1 stop24h 42m

$1,130

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Wed 2/18

6:50 am-12:50 am

2 stops29h 00m

Singapore Changi

Tue 9/15

1:55 am-11:32 pm

2 stops33h 37m

$1,130

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Fri 2/6

6:00 am-12:50 am

2 stops29h 50m

Singapore Changi

Tue 2/17

2:20 am-7:39 pm

2 stops30h 19m

$1,173

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sun 3/22

1:00 pm-7:00 am

2 stops30h 00m

Singapore Changi

Thu 3/26

10:10 am-9:45 pm

1 stop23h 35m

$1,176

Flights are sorted by cheapest round-trip flights first.

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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 August is, on average, the cheapest month to fly to Singapore from Washington, D.C., with most prices found around $723. If you aren’t able to travel to Singapore during the month of August, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $930.

How far in advance should I book a flight 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 $1,253 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 $1,099 on momondo.

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

You could potentially save up to 14% 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

Fastest flight time	23h 00m
Direct flights	None

The fastest flight from Washington, D.C. to Singapore takes 23h 00m

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

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 9 as of January 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
Air India	PriceFrom $807	Free Cancellation	Rating 5.5 2,974 reviews	Search Air India flights
Etihad Airways	PriceFrom $833	Free Cancellation	Rating 7.3 1,360 reviews	Search Etihad Airways flights
Turkish Airlines	PriceFrom $862	Free Cancellation	Rating 7.3 4,152 reviews	Search Turkish Airlines flights
Korean Air	PriceFrom $944	Free Cancellation	Rating 8.4 1,188 reviews	Search Korean Air flights
Qatar Airways	PriceFrom $1,031	Free Cancellation	Rating 7.4 3,699 reviews	Search Qatar Airways flights
JetBlue	PriceFrom $1,066	Free Cancellation	Rating 7.2 2,898 reviews	Search JetBlue flights
United Airlines	PriceFrom $1,174	Free Cancellation	Rating 7.4 9,135 reviews	Search United Airlines flights
American Airlines	PriceFrom $1,196	Free Cancellation	Rating 7.2 11,088 reviews	Search American Airlines flights
ANA	PriceFrom $1,499	Free Cancellation	Rating 8.4 1,060 reviews	Search ANA 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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Cheap flights from Washington, D.C. to Singapore from $396

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 1/27. 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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Air Canada flights from Washington, D.C. to Singapore

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

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

Our best United Airlines 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 to Singapore?

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

You could potentially save up to 14% on your flight if you consider stops on a Washington, D.C. to Singapore flight.

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

IndiGo, Air Canada, and Cathay Pacific are the most popular carriers operating 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

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Singapore

Fastest flight time

Direct flights

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

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

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

What documentation or ID do you need to fly 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?

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

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

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

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

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