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 45m on average. Another popular route from Washington, D.C. to Singapore is flying from Baltimore to Singapore, which will take roughly 24h 32m. Keep in mind that layovers or delays could extend your travel time.

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

IndiGo, Etihad Airways, and Turkish Airlines are the most popular carriers operating from Washington, D.C. to Singapore

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 41% 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 November 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.

$408 Cheap Flights from Washington, D.C. to Singapore in 2025/26

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7:14 pm - 5:45 pmBWI-SIN

33h 31m1 stop

9:00 am - 6:14 pmSIN-BWI

22h 14m1 stop

$938Singapore Airlines

Find Deal

Mon, Feb 2 - Sat, Feb 7

6:46 pm - 5:45 pmBWI-SIN

33h 59m1 stop

9:00 am - 5:46 pmSIN-BWI

21h 46m1 stop

$977Singapore Airlines

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Wed, Feb 18 - Tue, Feb 24

6:55 pm - 5:45 pmBWI-SIN

33h 50m1 stop

8:45 pm - 4:53 pmSIN-BWI

33h 08m1 stop

$1,019Singapore Airlines

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Wed, Feb 18 - Tue, Feb 24

6:46 pm - 5:45 pmBWI-SIN

33h 59m1 stop

9:20 am - 4:53 pmSIN-BWI

44h 33m2 stops

$1,022Singapore Airlines

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Wed, Feb 18 - Tue, Feb 24

12:00 pm - 6:55 amDCA-SIN

30h 55m2 stops

10:20 pm - 11:59 amSIN-DCA

25h 39m2 stops

$1,138United Airlines

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Mon, Mar 9 - Thu, Mar 12

8:20 am - 6:55 amIAD-SIN

33h 35m2 stops

10:10 am - 11:23 pmSIN-IAD

26h 13m2 stops

$1,138United Airlines

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Tue, Dec 9 - Wed, Dec 24

8:05 pm - 3:30 pmIAD-SIN

30h 25m2 stops

8:15 pm - 8:20 amSIN-IAD

25h 05m1 stop

$1,148Qatar Airways

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Wed, Feb 18 - Tue, Feb 24

2:30 pm - 8:45 amIAD-SIN

30h 15m1 stop

11:05 pm - 11:35 amSIN-IAD

24h 30m1 stop

$1,167Turkish Airlines

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Thu, Mar 26 - Sun, Apr 5

8:05 pm - 10:20 amIAD-SIN

25h 15m2 stops

3:15 am - 3:55 pmSIN-IAD

25h 40m1 stop

$1,187Qatar Airways

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Wed, Jan 21 - Fri, Jan 23

8:05 pm - 8:45 amIAD-SIN

23h 40m1 stop

3:15 am - 8:20 amSIN-IAD

42h 05m1 stop

$1,193JetBlue

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Thu, Jan 8 - Mon, Jan 19

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 2

BWI7:14 pmBaltimore/Washington

33h 31m

1 stop

SIN5:45 pmSingapore Changi

Feb 7

SIN9:00 amSingapore Changi

22h 14m

1 stop

BWI6:14 pmBaltimore/Washington

$938

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Singapore Airlines

Feb 18

BWI6:46 pmBaltimore/Washington

33h 59m

1 stop

SIN5:45 pmSingapore Changi

Feb 24

SIN9:00 amSingapore Changi

21h 46m

1 stop

BWI5:46 pmBaltimore/Washington

$977

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Singapore Airlines

Feb 18

BWI6:55 pmBaltimore/Washington

33h 50m

1 stop

SIN5:45 pmSingapore Changi

Feb 24

SIN8:45 pmSingapore Changi

33h 08m

1 stop

BWI4:53 pmBaltimore/Washington

$1,019

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

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

United Airlines

Mar 9

DCA12:00 pmWashington, D.C. Reagan-National

30h 55m

2 stops

SIN6:55 amSingapore Changi

Mar 12

SIN10:20 pmSingapore Changi

25h 39m

2 stops

DCA11:59 amWashington, D.C. Reagan-National

$1,138

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United Airlines

Jan 15

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

28h 55m

2 stops

SIN12:55 amSingapore Changi

Jan 22

SIN10:10 amSingapore Changi

23h 49m

2 stops

DCA8:59 pmWashington, D.C. Reagan-National

$1,141

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United Airlines

Mar 9

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

38h 16m

1 stop

SIN8:15 pmSingapore Changi

Mar 12

SIN10:20 pmSingapore Changi

36h 27m

2 stops

DCA10:47 pmWashington, D.C. Reagan-National

$1,146

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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

Mon 2/2

7:14 pm-5:45 pm

1 stop33h 31m

Singapore Changi

Sat 2/7

9:00 am-6:14 pm

1 stop22h 14m

$938

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Wed 2/18

6:46 pm-5:45 pm

1 stop33h 59m

Singapore Changi

Tue 2/24

9:00 am-5:46 pm

1 stop21h 46m

$977

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-4:53 pm

1 stop33h 08m

$1,019

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Wed 2/18

6:46 pm-5:45 pm

1 stop33h 59m

Singapore Changi

Tue 2/24

9:20 am-4:53 pm

2 stops44h 33m

$1,022

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Mon 3/9

12:00 pm-6:55 am

2 stops30h 55m

Singapore Changi

Thu 3/12

10:20 pm-11:59 am

2 stops25h 39m

$1,138

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 12/9

8:20 am-6:55 am

2 stops33h 35m

Singapore Changi

Wed 12/24

10:10 am-11:23 pm

2 stops26h 13m

$1,138

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 2/18

8:05 pm-3:30 pm

2 stops30h 25m

Singapore Changi

Tue 2/24

8:15 pm-8:20 am

1 stop25h 05m

$1,148

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 3/26

2:30 pm-8:45 am

1 stop30h 15m

Singapore Changi

Sun 4/5

11:05 pm-11:35 am

1 stop24h 30m

$1,167

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 1/21

8:05 pm-10:20 am

2 stops25h 15m

Singapore Changi

Fri 1/23

3:15 am-3:55 pm

1 stop25h 40m

$1,187

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 1/8

8:05 pm-8:45 am

1 stop23h 40m

Singapore Changi

Mon 1/19

3:15 am-8:20 am

1 stop42h 05m

$1,193

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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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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 $945.

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 $1,209 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 $1,084 on momondo.

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 November 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 2,940 reviews	Search Air India flights
Etihad Airways	PriceFrom $833	Free Cancellation	Rating 7.4 1,288 reviews	Search Etihad Airways flights
Turkish Airlines	PriceFrom $839	Free Cancellation	Rating 7.3 4,038 reviews	Search Turkish Airlines flights
Korean Air	PriceFrom $944	Free Cancellation	Rating 8.4 1,162 reviews	Search Korean Air flights
Qatar Airways	PriceFrom $996	Free Cancellation	Rating 7.4 3,661 reviews	Search Qatar Airways flights
JetBlue	PriceFrom $1,043	Free Cancellation	Rating 7.2 2,908 reviews	Search JetBlue flights
United Airlines	PriceFrom $1,191	Free Cancellation	Rating 7.4 9,013 reviews	Search United Airlines flights
American Airlines	PriceFrom $1,196	Free Cancellation	Rating 7.2 11,046 reviews	Search American Airlines flights
ANA	PriceFrom $1,499	Free Cancellation	Rating 8.4 1,003 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 $408

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 3/3. 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

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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?

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

IndiGo, Etihad Airways, and Turkish Airlines 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