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

Cathay Pacific, Singapore Airlines, and Korean Air 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.

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.

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.

$498 Cheap Flights from Washington, D.C. to Singapore in 2025/26

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6:46 pm - 5:45 pmBWI-SIN

33h 59m1 stop

8:45 pm - 6:34 amSIN-BWI

22h 49m1 stop

$1,007Singapore Airlines

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Wed, Feb 18 - Sun, Feb 22

6:31 am - 12:50 amBWI-SIN

29h 19m2 stops

2:20 am - 5:55 pmSIN-BWI

28h 35m2 stops

$1,123Japan Airlines

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Wed, Feb 18 - Tue, Feb 24

6:31 am - 12:50 amBWI-SIN

29h 19m2 stops

8:15 am - 11:58 pmSIN-BWI

28h 43m2 stops

$1,126Japan Airlines

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Wed, Feb 18 - Wed, Feb 25

9:15 pm - 10:15 amIAD-SIN

48h 00m2 stops

2:30 am - 8:26 pmSIN-IAD

30h 56m2 stops

$1,140Multiple Airlines

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Mon, Jan 19 - Mon, Jan 26

6:10 pm - 9:55 pmIAD-SIN

62h 45m2 stops

9:35 am - 2:45 pmSIN-IAD

66h 10m2 stops

$1,141SAUDIA

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Sun, Feb 1 - Tue, Feb 10

2:35 pm - 10:30 amIAD-SIN

30h 55m3 stops

2:20 pm - 9:05 amSIN-IAD

31h 45m3 stops

$1,142Multiple Airlines

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Sun, Jan 18 - Mon, Jan 26

8:05 pm - 2:55 pmIAD-SIN

29h 50m1 stop

3:15 am - 8:20 amSIN-IAD

42h 05m1 stop

$1,147Qatar Airways

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Mon, Jan 12 - Mon, Jan 19

5:59 pm - 8:00 amDCA-SIN

25h 01m1 stop

10:10 am - 9:52 pmSIN-DCA

24h 42m1 stop

$1,164United Airlines

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Sun, Jan 11 - Mon, Jan 26

5:59 pm - 8:00 amDCA-SIN

25h 01m1 stop

10:20 pm - 11:35 amSIN-DCA

26h 15m2 stops

$1,174United Airlines

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Fri, Jan 9 - Mon, Feb 16

9:40 am - 7:00 amDCA-SIN

33h 20m2 stops

9:10 am - 7:59 pmSIN-DCA

22h 49m2 stops

$1,176Air Canada

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Thu, Mar 26 - Thu, Apr 2

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

BWI6:46 pmBaltimore/Washington

33h 59m

1 stop

SIN5:45 pmSingapore Changi

Feb 22

SIN8:45 pmSingapore Changi

22h 49m

1 stop

BWI6:34 amBaltimore/Washington

$1,007

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Singapore Airlines

Feb 18

BWI6:00 amBaltimore/Washington

34h 30m

1 stop

SIN5:30 amSingapore Changi

Feb 24

SIN8:45 pmSingapore Changi

33h 08m

1 stop

BWI4:53 pmBaltimore/Washington

$1,155

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Singapore Airlines

Feb 18

BWI6:00 amBaltimore/Washington

34h 30m

1 stop

SIN5:30 amSingapore Changi

Feb 24

SIN9:20 amSingapore Changi

44h 33m

2 stops

BWI4:53 pmBaltimore/Washington

$1,167

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

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

Japan Airlines

Feb 18

BWI6:31 amBaltimore/Washington

29h 19m

2 stops

SIN12:50 amSingapore Changi

Feb 24

SIN2:20 amSingapore Changi

28h 35m

2 stops

BWI5:55 pmBaltimore/Washington

$1,123

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Japan Airlines

Feb 18

BWI6:31 amBaltimore/Washington

29h 19m

2 stops

SIN12:50 amSingapore Changi

Feb 25

SIN8:15 amSingapore Changi

28h 43m

2 stops

BWI11:58 pmBaltimore/Washington

$1,126

Find similar

Japan Airlines

Jan 29

DCA6:59 amWashington, D.C. Reagan-National

34h 36m

2 stops

SIN6:35 amSingapore Changi

Feb 1

SIN2:20 amSingapore Changi

31h 24m

2 stops

DCA8:44 pmWashington, D.C. Reagan-National

$1,159

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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.

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Fly to

Route

Depart

Return

Price

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Wed 2/18

6:46 pm-5:45 pm

1 stop33h 59m

Singapore Changi

Sun 2/22

8:45 pm-6:34 am

1 stop22h 49m

$1,007

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Wed 2/18

6:31 am-12:50 am

2 stops29h 19m

Singapore Changi

Tue 2/24

2:20 am-5:55 pm

2 stops28h 35m

$1,123

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Wed 2/18

6:31 am-12:50 am

2 stops29h 19m

Singapore Changi

Wed 2/25

8:15 am-11:58 pm

2 stops28h 43m

$1,126

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 1/19

9:15 pm-10:15 am

2 stops48h 00m

Singapore Changi

Mon 1/26

2:30 am-8:26 pm

2 stops30h 56m

$1,140

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 2/1

6:10 pm-9:55 pm

2 stops62h 45m

Singapore Changi

Tue 2/10

9:35 am-2:45 pm

2 stops66h 10m

$1,141

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 1/18

2:35 pm-10:30 am

3 stops30h 55m

Singapore Changi

Mon 1/26

2:20 pm-9:05 am

3 stops31h 45m

$1,142

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 1/12

8:05 pm-2:55 pm

1 stop29h 50m

Singapore Changi

Mon 1/19

3:15 am-8:20 am

1 stop42h 05m

$1,147

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sun 1/11

5:59 pm-8:00 am

1 stop25h 01m

Singapore Changi

Mon 1/26

10:10 am-9:52 pm

1 stop24h 42m

$1,164

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Fri 1/9

5:59 pm-8:00 am

1 stop25h 01m

Singapore Changi

Mon 2/16

10:20 pm-11:35 am

2 stops26h 15m

$1,174

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Thu 3/26

9:40 am-7:00 am

2 stops33h 20m

Singapore Changi

Thu 4/2

9:10 am-7:59 pm

2 stops22h 49m

$1,176

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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 $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 $1,210 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 $1,136 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 2,943 reviews	Search Air India flights
Etihad Airways	PriceFrom $833	Free Cancellation	Rating 7.4 1,309 reviews	Search Etihad Airways flights
Turkish Airlines	PriceFrom $839	Free Cancellation	Rating 7.3 4,044 reviews	Search Turkish Airlines flights
Korean Air	PriceFrom $944	Free Cancellation	Rating 8.4 1,170 reviews	Search Korean Air flights
Qatar Airways	PriceFrom $996	Free Cancellation	Rating 7.4 3,664 reviews	Search Qatar Airways flights
JetBlue	PriceFrom $1,043	Free Cancellation	Rating 7.2 2,902 reviews	Search JetBlue flights
United Airlines	PriceFrom $1,191	Free Cancellation	Rating 7.4 9,029 reviews	Search United Airlines flights
American Airlines	PriceFrom $1,196	Free Cancellation	Rating 7.2 11,047 reviews	Search American Airlines flights
ANA	PriceFrom $1,499	Free Cancellation	Rating 8.4 1,009 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 $498

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 1/23. 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?

Cathay Pacific, Singapore Airlines, and Korean Air 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