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 35% of people opting to fly with this airline when traveling to Singapore. Keep in mind that there are 8 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?

Philippine Airlines, Singapore Airlines, 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 50m on average. Another popular route from Washington, D.C. to Singapore is flying from Baltimore to Singapore, which will take roughly 24h 05m. 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 8 as of March 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.

$427 Cheap Flights from Washington, D.C. to Singapore in 2026

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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.

7:04 pm - 5:35 pm

BWI

SIN

34h 31m

1 stop

8:45 pm - 5:08 pm

SIN

BWI

32h 23m

1 stop

$973Singapore Airlines

Mon, Apr 6 - Mon, Apr 27

3:10 pm - 6:50 am

IAD

SIN

27h 40m

2 stops

9:45 am - 9:45 am

SIN

IAD

36h 00m

2 stops

$989Multiple Airlines

Tue, Apr 14 - Tue, Apr 21

1:20 pm - 8:45 am

IAD

SIN

31h 25m

1 stop

11:05 pm - 11:35 am

SIN

IAD

24h 30m

1 stop

$990Turkish Airlines

Sun, Mar 29 - Sun, Apr 19

3:10 pm - 9:40 am

IAD

SIN

30h 30m

1 stop

9:00 pm - 2:47 pm

SIN

IAD

29h 47m

2 stops

$991Multiple Airlines

Tue, Apr 21 - Tue, Apr 28

2:30 pm - 8:35 am

IAD

SIN

30h 05m

1 stop

11:10 am - 11:35 am

SIN

IAD

36h 25m

1 stop

$994Turkish Airlines

Fri, Mar 20 - Mon, Mar 30

3:10 pm - 9:40 am

IAD

SIN

30h 30m

1 stop

9:00 pm - 9:45 am

SIN

IAD

24h 45m

1 stop

$995Etihad Airways

Sat, Apr 11 - Sat, Apr 18

9:55 am - 5:15 am

IAD

SIN

31h 20m

2 stops

7:00 am - 8:29 pm

SIN

IAD

25h 29m

2 stops

$1,004Air Canada

Sun, Apr 12 - Tue, May 5

11:36 am - 5:30 am

DCA

SIN

29h 54m

2 stops

1:45 am - 7:05 pm

SIN

DCA

29h 20m

2 stops

$1,022Cathay Pacific

Sun, Apr 12 - Mon, May 4

6:00 am - 5:15 am

DCA

SIN

35h 15m

2 stops

7:00 am - 10:19 am

SIN

DCA

39h 19m

2 stops

$1,025Air Canada

Tue, Apr 28 - Tue, May 5

8:20 am - 11:45 am

DCA

SIN

39h 25m

2 stops

8:05 pm - 12:51 am

SIN

DCA

40h 46m

2 stops

$1,032Cathay Pacific

Sun, Aug 23 - Thu, Sep 3

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

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

Singapore Airlines

Aug 27

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

33h 51m

1 stop

SIN7:50 amSingapore Changi

Sep 28

SIN8:45 pmSingapore Changi

35h 15m

1 stop

DCA8:00 pmWashington, D.C. Reagan-National

$1,087

Singapore Airlines

Apr 19

BWI6:28 pmBaltimore/Washington

25h 22m

1 stop

SIN7:50 amSingapore Changi

Apr 30

SIN9:00 amSingapore Changi

32h 44m

1 stop

BWI5:44 amBaltimore/Washington

$1,094

Singapore Airlines

Aug 27

BWI5:45 pmBaltimore/Washington

26h 05m

1 stop

SIN7:50 amSingapore Changi

Sep 28

SIN8:45 pmSingapore Changi

32h 02m

1 stop

BWI4:47 pmBaltimore/Washington

$1,101

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

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

United Airlines

Apr 14

DCA5:59 pmWashington, D.C. Reagan-National

24h 46m

1 stop

SIN6:45 amSingapore Changi

Apr 21

SIN8:35 pmSingapore Changi

26h 24m

2 stops

DCA10:59 amWashington, D.C. Reagan-National

$1,163

United Airlines

Mar 5

IAD6:15 amWashington, D.C. Dulles Intl

25h 00m

1 stop

SIN8:15 pmSingapore Changi

Apr 2

SIN9:00 amSingapore Changi

22h 12m

1 stop

IAD7:12 pmWashington, D.C. Dulles Intl

$1,177

United Airlines

Mar 30

DCA5:59 pmWashington, D.C. Reagan-National

24h 46m

1 stop

SIN6:45 amSingapore Changi

Apr 6

SIN8:35 pmSingapore Changi

28h 35m

2 stops

DCA1:10 pmWashington, D.C. Reagan-National

$1,181

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

Mon 4/6

7:04 pm-5:35 pm

1 stop34h 31m

Singapore Changi

Mon 4/27

8:45 pm-5:08 pm

1 stop32h 23m

$973

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 4/14

3:10 pm-6:50 am

2 stops27h 40m

Singapore Changi

Tue 4/21

9:45 am-9:45 am

2 stops36h 00m

$989

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 3/29

1:20 pm-8:45 am

1 stop31h 25m

Singapore Changi

Sun 4/19

11:05 pm-11:35 am

1 stop24h 30m

$990

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 4/21

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Tue 4/28

9:00 pm-2:47 pm

2 stops29h 47m

$991

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Fri 3/20

2:30 pm-8:35 am

1 stop30h 05m

Singapore Changi

Mon 3/30

11:10 am-11:35 am

1 stop36h 25m

$994

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 4/11

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Sat 4/18

9:00 pm-9:45 am

1 stop24h 45m

$995

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 4/12

9:55 am-5:15 am

2 stops31h 20m

Singapore Changi

Tue 5/5

7:00 am-8:29 pm

2 stops25h 29m

$1,004

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sun 4/12

11:36 am-5:30 am

2 stops29h 54m

Singapore Changi

Mon 5/4

1:45 am-7:05 pm

2 stops29h 20m

$1,022

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 4/28

6:00 am-5:15 am

2 stops35h 15m

Singapore Changi

Tue 5/5

7:00 am-10:19 am

2 stops39h 19m

$1,025

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sun 8/23

8:20 am-11:45 am

2 stops39h 25m

Singapore Changi

Thu 9/3

8:05 pm-12:51 am

2 stops40h 46m

$1,032

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

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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 $732. 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 $1,265 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 $1,073 on momondo.

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

You could potentially save up to 15% 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	22h 45m
Direct flights	None

The fastest flight from Washington, D.C. to Singapore takes 22h 45m

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 8 as of March 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
Korean Air	PriceFrom $743	Free Cancellation	Rating 8.4 1,195 reviews	Search Korean Air flights
Air India	PriceFrom $807	Free Cancellation	Rating 5.5 2,969 reviews	Search Air India flights
Etihad Airways	PriceFrom $833	Free Cancellation	Rating 7.3 1,420 reviews	Search Etihad Airways flights
Turkish Airlines	PriceFrom $918	Free Cancellation	Rating 7.3 4,239 reviews	Search Turkish Airlines flights
Qatar Airways	PriceFrom $1,031	Free Cancellation	Rating 7.4 3,745 reviews	Search Qatar Airways flights
United Airlines	PriceFrom $1,125	Free Cancellation	Rating 7.4 9,371 reviews	Search United Airlines flights
JetBlue	PriceFrom $1,159	Free Cancellation	Rating 7.2 2,894 reviews	Search JetBlue flights
ANA	PriceFrom $1,161	Free Cancellation	Rating 8.4 1,107 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 $427

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 4/15. 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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Singapore Airlines flights from Washington, D.C. to Singapore

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

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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?

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

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

Fastest flight time

Direct flights

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

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List of cabin classes available on flights landing in Singapore. Availability may vary depending on flight origin and airline.

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