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 22h 30m on average. Another popular route from Washington, D.C. to Singapore is flying from Baltimore to Singapore, which will take roughly 23h 40m. 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 40% 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.

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

IndiGo, Qatar Airways, and Air Canada 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 8 as of October 2025.

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.

$412 Cheap Flights from Washington, D.C. to Singapore in 2025/26

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6:55 pm - 5:45 pmBWI-SIN

33h 50m1 stop

8:45 pm - 6:34 amSIN-BWI

22h 49m1 stop

$1,017Singapore Airlines

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Wed, Feb 18 - Tue, Feb 24

7:30 am - 7:10 pmBWI-SIN

46h 40m3 stops

12:55 am - 7:19 pmSIN-BWI

31h 24m2 stops

$1,028Multiple Airlines

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Thu, Feb 19 - Mon, Feb 23

1:30 pm - 10:00 amIAD-SIN

31h 30m1 stop

10:25 am - 11:45 amSIN-IAD

38h 20m1 stop

$1,108Turkish Airlines

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Sat, Dec 6 - Sat, Dec 20

10:40 am - 9:15 pmIAD-SIN

21h 35m1 stop

5:25 pm - 3:55 pmSIN-IAD

35h 30m2 stops

$1,112Qatar Airways

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Sun, Jan 4 - Mon, Jan 19

5:59 pm - 8:00 amDCA-SIN

25h 01m1 stop

10:20 pm - 9:53 amSIN-DCA

24h 33m2 stops

$1,116United Airlines

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Thu, Nov 27 - Thu, Dec 4

8:05 pm - 2:55 pmIAD-SIN

29h 50m1 stop

1:40 pm - 8:20 amSIN-IAD

31h 40m2 stops

$1,118Qatar Airways

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Wed, Nov 26 - Sat, Dec 6

7:00 am - 8:15 pmDCA-SIN

25h 15m1 stop

10:10 am - 9:43 pmSIN-DCA

24h 33m1 stop

$1,125United Airlines

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Thu, Oct 30 - Mon, Nov 17

1:30 pm - 5:35 pmIAD-SIN

39h 05m1 stop

11:25 pm - 11:45 amSIN-IAD

25h 20m1 stop

$1,130Turkish Airlines

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Sun, Jan 4 - Sat, Jan 17

6:59 am - 12:10 amDCA-SIN

28h 11m2 stops

10:30 pm - 12:53 pmSIN-DCA

27h 23m2 stops

$1,144Korean Air

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Thu, Nov 13 - Tue, Nov 18

12:50 pm - 5:00 amIAD-SIN

28h 10m1 stop

7:30 am - 7:12 pmSIN-IAD

47h 42m2 stops

$1,144Korean Air

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Mon, Mar 23 - Tue, Apr 7

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

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

Singapore Airlines

Feb 18

BWI6:55 pmBaltimore/Washington

33h 50m

1 stop

SIN5:45 pmSingapore Changi

Feb 24

SIN8:45 pmSingapore Changi

22h 49m

1 stop

BWI6:34 amBaltimore/Washington

$1,017

Find similar

Singapore Airlines

Feb 18

BWI6:55 pmBaltimore/Washington

33h 50m

1 stop

SIN5:45 pmSingapore Changi

Feb 24

SIN9:20 amSingapore Changi

34h 14m

2 stops

BWI6:34 amBaltimore/Washington

$1,030

Find similar

Singapore Airlines

Jan 9

BWI7:14 pmBaltimore/Washington

33h 31m

1 stop

SIN5:45 pmSingapore Changi

Feb 16

SIN8:45 pmSingapore Changi

22h 49m

1 stop

BWI6:34 amBaltimore/Washington

$1,143

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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

Air Canada

Nov 8

DCA4:10 pmWashington, D.C. Reagan-National

49h 50m

2 stops

SIN7:00 amSingapore Changi

Nov 13

SIN8:50 amSingapore Changi

26h 06m

2 stops

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

$1,104

Find similar

Air Canada

Mar 9

IAD10:05 pmWashington, D.C. Dulles Intl

44h 55m

2 stops

SIN7:00 amSingapore Changi

Mar 14

SIN8:50 amSingapore Changi

24h 09m

2 stops

IAD8:59 pmWashington, D.C. Dulles Intl

$1,109

Find similar

Air Canada

Mar 29

DCA6:00 amWashington, D.C. Reagan-National

37h 05m

2 stops

SIN7:05 amSingapore Changi

Apr 19

SIN9:10 amSingapore Changi

37h 09m

2 stops

DCA10:19 amWashington, D.C. Reagan-National

$1,120

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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 2/18

6:55 pm-5:45 pm

1 stop33h 50m

Singapore Changi

Tue 2/24

8:45 pm-6:34 am

1 stop22h 49m

$1,017

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Thu 2/19

7:30 am-7:10 pm

3 stops46h 40m

Singapore Changi

Mon 2/23

12:55 am-7:19 pm

2 stops31h 24m

$1,028

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 12/6

1:30 pm-10:00 am

1 stop31h 30m

Singapore Changi

Sat 12/20

10:25 am-11:45 am

1 stop38h 20m

$1,108

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 1/4

10:40 am-9:15 pm

1 stop21h 35m

Singapore Changi

Mon 1/19

5:25 pm-3:55 pm

2 stops35h 30m

$1,112

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Thu 11/27

5:59 pm-8:00 am

1 stop25h 01m

Singapore Changi

Thu 12/4

10:20 pm-9:53 am

2 stops24h 33m

$1,116

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 11/26

8:05 pm-2:55 pm

1 stop29h 50m

Singapore Changi

Sat 12/6

1:40 pm-8:20 am

2 stops31h 40m

$1,118

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Thu 10/30

7:00 am-8:15 pm

1 stop25h 15m

Singapore Changi

Mon 11/17

10:10 am-9:43 pm

1 stop24h 33m

$1,125

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 1/4

1:30 pm-5:35 pm

1 stop39h 05m

Singapore Changi

Sat 1/17

11:25 pm-11:45 am

1 stop25h 20m

$1,130

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Thu 11/13

6:59 am-12:10 am

2 stops28h 11m

Singapore Changi

Tue 11/18

10:30 pm-12:53 pm

2 stops27h 23m

$1,144

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 3/23

12:50 pm-5:00 am

1 stop28h 10m

Singapore Changi

Tue 4/7

7:30 am-7:12 pm

2 stops47h 42m

$1,144

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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

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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 $973.

What is the cheapest day to depart on your flight to Singapore?

The cheapest day to depart from Washington, D.C. to Singapore is on a Friday when prices can be found for as low as $1,136. The most expensive day to fly to Singapore is Saturday, with ticket prices averaging around $1,496.

What is the cheapest time of day to depart on your flight to Singapore?

At noon is the cheapest time of day to fly from Washington, D.C. to Singapore when you can find flight prices for as low as $1,135. Flying to Singapore at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,510 on average. Flights to Singapore from Washington, D.C. in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $1,217 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 $970 on momondo.

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

You could potentially save up to 12% 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

Direct flights	None

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 October 2025.
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 2,936 reviews	Search Air India flights
Turkish Airlines	PriceFrom $822	Free Cancellation	Rating 7.3 4,006 reviews	Search Turkish Airlines flights
Etihad Airways	PriceFrom $833	Free Cancellation	Rating 7.4 1,277 reviews	Search Etihad Airways flights
Korean Air	PriceFrom $944	Free Cancellation	Rating 8.4 1,148 reviews	Search Korean Air flights
Qatar Airways	PriceFrom $996	Free Cancellation	Rating 7.4 3,645 reviews	Search Qatar Airways flights
JetBlue	PriceFrom $1,024	Free Cancellation	Rating 7.2 2,904 reviews	Search JetBlue flights
United Airlines	PriceFrom $1,191	Free Cancellation	Rating 7.4 8,973 reviews	Search United Airlines flights
American Airlines	PriceFrom $1,196	Free Cancellation	Rating 7.2 11,042 reviews	Search American Airlines 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 $412

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 11/10. 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

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

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

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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

What is the cheapest month to fly to Singapore?

What is the cheapest day to depart on your flight to Singapore?

The cheapest day to depart from Washington, D.C. to Singapore is on a Friday when prices can be found for as low as $1,136. The most expensive day to fly to Singapore is Saturday, with ticket prices averaging around $1,496.

What is the cheapest time of day to depart on your flight 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 12% 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, Qatar Airways, and Air Canada 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

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