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 15m 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 42% 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?

Air Canada and IndiGo 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 9 as of September 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.

$386 Cheap Flights from Washington, D.C. to Singapore in 2025

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Round-trip

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Cheap round-trip flights

6:55 pm - 5:45 pmBWI-SIN

33h 50m1 stop

9:00 am - 5:55 pmSIN-BWI

21h 55m1 stop

$846Singapore Airlines

Find Deal

lun., feb. 2 - jue., feb. 19

5:35 am - 7:10 pmBWI-SIN

49h 35m2 stops

12:40 am - 6:35 amSIN-BWI

41h 55m2 stops

$867

Find Deal

vie., oct. 24 - jue., oct. 30

11:00 am - 9:00 pmIAD-SIN

22h 00m1 stop

3:10 am - 3:40 pmSIN-IAD

24h 30m1 stop

$1,021Qatar Airways

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mié., sep. 24 - lun., sep. 29

1:30 pm - 8:45 amIAD-SIN

31h 15m1 stop

5:10 am - 7:45 pmSIN-IAD

26h 35m1 stop

$1,027Turkish Airlines

Find Deal

mar., sep. 30 - mar., oct. 14

9:10 pm - 5:35 pmIAD-SIN

31h 25m1 stop

5:25 am - 7:15 pmSIN-IAD

26h 50m1 stop

$1,035Turkish Airlines

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mar., nov. 11 - mar., nov. 18

10:05 pm - 9:40 amIAD-SIN

23h 35m1 stop

9:10 pm - 4:50 pmSIN-IAD

31h 40m1 stop

$1,049Etihad Airways

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mar., oct. 14 - sáb., oct. 25

9:10 pm - 9:35 amIAD-SIN

23h 25m1 stop

7:25 pm - 3:50 pmSIN-IAD

33h 25m1 stop

$1,051Etihad Airways

Find Deal

mié., feb. 11 - lun., mar. 2

9:00 pm - 3:45 pmIAD-SIN

30h 45m1 stop

3:10 am - 3:40 pmSIN-IAD

24h 30m1 stop

$1,076Qatar Airways

Find Deal

mar., sep. 30 - lun., oct. 6

7:00 am - 6:25 pmDCA-SIN

23h 25m1 stop

8:40 pm - 4:52 pmSIN-DCA

32h 12m1 stop

$1,125United Airlines

Find Deal

jue., oct. 2 - lun., oct. 6

7:00 am - 6:25 pmDCA-SIN

23h 25m1 stop

8:40 pm - 9:58 amSIN-DCA

25h 18m2 stops

$1,129United Airlines

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jue., oct. 2 - lun., oct. 6

IndiGo flights from Washington, D.C. to Singapore

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

IndiGo

Sep 16

IAD1:30 pmWashington, D.C. Dulles Intl

39h 45m

2 stops

SIN5:15 pmSingapore Changi

Sep 23

SIN7:45 pmSingapore Changi

36h 00m

2 stops

IAD7:45 pmWashington, D.C. Dulles Intl

$947

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IndiGo

Sep 16

IAD1:30 pmWashington, D.C. Dulles Intl

39h 45m

2 stops

SIN5:15 pmSingapore Changi

Sep 23

SIN7:45 pmSingapore Changi

36h 00m

2 stops

IAD7:45 pmWashington, D.C. Dulles Intl

$958

Find similar

IndiGo

Oct 11

IAD1:30 pmWashington, D.C. Dulles Intl

39h 45m

2 stops

SIN5:15 pmSingapore Changi

Oct 20

SIN7:45 pmSingapore Changi

36h 00m

2 stops

IAD7:45 pmWashington, D.C. Dulles Intl

$983

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

Oct 2

DCA7:00 amWashington, D.C. Reagan-National

23h 25m

1 stop

SIN6:25 pmSingapore Changi

Oct 6

SIN8:40 pmSingapore Changi

32h 12m

1 stop

DCA4:52 pmWashington, D.C. Reagan-National

$1,125

Find similar

United Airlines

Oct 2

DCA7:00 amWashington, D.C. Reagan-National

23h 25m

1 stop

SIN6:25 pmSingapore Changi

Oct 6

SIN8:40 pmSingapore Changi

25h 18m

2 stops

DCA9:58 amWashington, D.C. Reagan-National

$1,129

Find similar

United Airlines

Dec 3

DCA2:00 pmWashington, D.C. Reagan-National

27h 55m

2 stops

SIN6:55 amSingapore Changi

Feb 11

SIN10:10 amSingapore Changi

24h 42m

1 stop

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

$1,135

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

lun. 2/2

6:55 pm-5:45 pm

1 stop33h 50m

Singapore Changi

jue. 2/19

9:00 am-5:55 pm

1 stop21h 55m

$846

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

vie. 10/24

5:35 am-7:10 pm

2 stops49h 35m

Singapore Changi

jue. 10/30

12:40 am-6:35 am

2 stops41h 55m

$867

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

mié. 9/24

11:00 am-9:00 pm

1 stop22h 00m

Singapore Changi

lun. 9/29

3:10 am-3:40 pm

1 stop24h 30m

$1,021

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

mar. 9/30

1:30 pm-8:45 am

1 stop31h 15m

Singapore Changi

mar. 10/14

5:10 am-7:45 pm

1 stop26h 35m

$1,027

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

mar. 11/11

9:10 pm-5:35 pm

1 stop31h 25m

Singapore Changi

mar. 11/18

5:25 am-7:15 pm

1 stop26h 50m

$1,035

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

mar. 10/14

10:05 pm-9:40 am

1 stop23h 35m

Singapore Changi

sáb. 10/25

9:10 pm-4:50 pm

1 stop31h 40m

$1,049

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

mié. 2/11

9:10 pm-9:35 am

1 stop23h 25m

Singapore Changi

lun. 3/2

7:25 pm-3:50 pm

1 stop33h 25m

$1,051

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

mar. 9/30

9:00 pm-3:45 pm

1 stop30h 45m

Singapore Changi

lun. 10/6

3:10 am-3:40 pm

1 stop24h 30m

$1,076

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

jue. 10/2

7:00 am-6:25 pm

1 stop23h 25m

Singapore Changi

lun. 10/6

8:40 pm-4:52 pm

1 stop32h 12m

$1,125

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

jue. 10/2

7:00 am-6:25 pm

1 stop23h 25m

Singapore Changi

lun. 10/6

8:40 pm-9:58 am

2 stops25h 18m

$1,129

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 August is, on average, the cheapest month to fly to Singapore from Washington, D.C., with most prices found around $747. 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 $976.

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 $1,191 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 $1,016 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

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 9 as of September 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 2,930 reviews	Search Air India flights
Turkish Airlines	PriceFrom $816	Free Cancellation	Rating 7.3 3,968 reviews	Search Turkish Airlines flights
Etihad Airways	PriceFrom $833	Free Cancellation	Rating 7.4 1,250 reviews	Search Etihad Airways flights
Air Canada	PriceFrom $938	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
Korean Air	PriceFrom $944	Free Cancellation	Rating 8.4 1,139 reviews	Search Korean Air flights
Qatar Airways	PriceFrom $996	Free Cancellation	Rating 7.4 3,624 reviews	Search Qatar Airways flights
JetBlue	PriceFrom $1,024	Free Cancellation	Rating 7.2 2,913 reviews	Search JetBlue flights
United Airlines	PriceFrom $1,192	Free Cancellation	Rating 7.4 8,937 reviews	Search United Airlines flights
American Airlines	PriceFrom $1,196	Free Cancellation	Rating 7.2 10,000 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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Popular cities in Singapore

Flights to Singaporefrom $530

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Cheap flights from Washington, D.C. to Singapore from $386

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 11/5. 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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Big names and deals

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

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IndiGo flights from Washington, D.C. to Singapore

Our best IndiGo 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.

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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 15% 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?

Air Canada and IndiGo 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