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 55m on average. Another popular route from Washington, D.C. to Singapore is flying from Baltimore to Singapore, which will take roughly 23h 35m. Keep in mind that layovers or delays could extend your travel time.

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 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 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 9 as of February 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.

$415 Cheap Flights from Washington, D.C. to Singapore in 2026

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Cheap round-trip flights

Enter your travel dates to find the best prices.

10:15 pm - 8:45 am

IAD

SIN

22h 30m

1 stop

11:10 am - 11:35 am

SIN

IAD

36h 25m

1 stop

$993Turkish Airlines

Mon, Mar 9 - Mon, Mar 30

9:15 pm - 8:35 am

IAD

SIN

22h 20m

1 stop

10:15 am - 12:45 pm

SIN

IAD

38h 30m

1 stop

$994Turkish Airlines

Sun, Mar 1 - Tue, Mar 24

2:30 pm - 5:35 pm

IAD

SIN

39h 05m

1 stop

10:15 am - 8:20 pm

SIN

IAD

46h 05m

1 stop

$999Turkish Airlines

Sun, Mar 22 - Thu, Mar 26

3:10 pm - 9:40 am

IAD

SIN

30h 30m

1 stop

9:00 pm - 2:47 pm

SIN

IAD

29h 47m

2 stops

$1,001Multiple Airlines

Sun, Apr 12 - Tue, May 5

10:15 pm - 8:35 am

IAD

SIN

22h 20m

1 stop

10:25 am - 11:35 am

SIN

IAD

37h 10m

1 stop

$1,002Turkish Airlines

Fri, Mar 20 - Sun, Mar 29

1:50 am - 1:55 pm

IAD

SIN

24h 05m

1 stop

3:20 pm - 10:30 pm

SIN

IAD

43h 10m

1 stop

$1,010EVA Air

Mon, Jun 29 - Sun, Jul 12

3:35 pm - 9:35 am

IAD

SIN

30h 00m

1 stop

9:00 pm - 9:45 am

SIN

IAD

24h 45m

1 stop

$1,012Etihad Airways

Sun, Mar 8 - Thu, Apr 2

3:10 pm - 9:40 am

IAD

SIN

30h 30m

1 stop

9:00 pm - 2:51 pm

SIN

IAD

29h 51m

2 stops

$1,014Multiple Airlines

Sun, Mar 29 - Sun, Apr 19

9:45 am - 5:15 am

IAD

SIN

31h 30m

2 stops

7:00 am - 8:29 pm

SIN

IAD

25h 29m

2 stops

$1,016Air Canada

Tue, May 12 - Thu, May 21

6:00 am - 5:15 am

DCA

SIN

35h 15m

2 stops

7:00 am - 10:19 am

SIN

DCA

39h 19m

2 stops

$1,029Air Canada

Sun, Apr 12 - Tue, May 5

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

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

Turkish Airlines

Mar 9

IAD10:15 pmWashington, D.C. Dulles Intl

22h 30m

1 stop

SIN8:45 amSingapore Changi

Mar 30

SIN11:10 amSingapore Changi

36h 25m

1 stop

IAD11:35 amWashington, D.C. Dulles Intl

$993

Turkish Airlines

Mar 1

IAD9:15 pmWashington, D.C. Dulles Intl

22h 20m

1 stop

SIN8:35 amSingapore Changi

Mar 24

SIN10:15 amSingapore Changi

38h 30m

1 stop

IAD12:45 pmWashington, D.C. Dulles Intl

$994

Turkish Airlines

Mar 22

IAD2:30 pmWashington, D.C. Dulles Intl

30h 05m

1 stop

SIN8:35 amSingapore Changi

Mar 26

SIN10:15 amSingapore Changi

38h 30m

1 stop

IAD12:45 pmWashington, D.C. Dulles Intl

$999

Etihad Airways flights from Washington, D.C. to Singapore

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

Etihad Airways

Mar 8

IAD3:35 pmWashington, D.C. Dulles Intl

30h 00m

1 stop

SIN9:35 amSingapore Changi

Apr 2

SIN9:00 pmSingapore Changi

24h 45m

1 stop

IAD9:45 amWashington, D.C. Dulles Intl

$1,012

Etihad Airways

Mar 1

IAD2:35 pmWashington, D.C. Dulles Intl

30h 00m

1 stop

SIN9:35 amSingapore Changi

Mar 23

SIN7:25 pmSingapore Changi

26h 40m

1 stop

IAD10:05 amWashington, D.C. Dulles Intl

$1,019

Etihad Airways

Mar 7

IAD2:35 pmWashington, D.C. Dulles Intl

30h 00m

1 stop

SIN9:35 amSingapore Changi

Apr 8

SIN9:00 pmSingapore Changi

24h 45m

1 stop

IAD9:45 amWashington, D.C. Dulles Intl

$1,030

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

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 3/9

10:15 pm-8:45 am

1 stop22h 30m

Singapore Changi

Mon 3/30

11:10 am-11:35 am

1 stop36h 25m

$993

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 3/1

9:15 pm-8:35 am

1 stop22h 20m

Singapore Changi

Tue 3/24

10:15 am-12:45 pm

1 stop38h 30m

$994

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 3/22

2:30 pm-5:35 pm

1 stop39h 05m

Singapore Changi

Thu 3/26

10:15 am-8:20 pm

1 stop46h 05m

$999

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 4/12

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Tue 5/5

9:00 pm-2:47 pm

2 stops29h 47m

$1,001

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Fri 3/20

10:15 pm-8:35 am

1 stop22h 20m

Singapore Changi

Sun 3/29

10:25 am-11:35 am

1 stop37h 10m

$1,002

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 6/29

1:50 am-1:55 pm

1 stop24h 05m

Singapore Changi

Sun 7/12

3:20 pm-10:30 pm

1 stop43h 10m

$1,010

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 3/8

3:35 pm-9:35 am

1 stop30h 00m

Singapore Changi

Thu 4/2

9:00 pm-9:45 am

1 stop24h 45m

$1,012

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 3/29

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Sun 4/19

9:00 pm-2:51 pm

2 stops29h 51m

$1,014

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 5/12

9:45 am-5:15 am

2 stops31h 30m

Singapore Changi

Thu 5/21

7:00 am-8:29 pm

2 stops25h 29m

$1,016

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sun 4/12

6:00 am-5:15 am

2 stops35h 15m

Singapore Changi

Tue 5/5

7:00 am-10:19 am

2 stops39h 19m

$1,029

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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

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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 $1,269 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	21h 35m
Direct flights	None

The fastest flight from Washington, D.C. to Singapore takes 21h 35m

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 February 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 1,194 reviews	Search Korean Air flights
Air India	PriceFrom $807	Free Cancellation	Rating 5.5 2,967 reviews	Search Air India flights
Etihad Airways	PriceFrom $833	Free Cancellation	Rating 7.3 1,403 reviews	Search Etihad Airways flights
Turkish Airlines	PriceFrom $918	Free Cancellation	Rating 7.3 4,222 reviews	Search Turkish Airlines flights
Qatar Airways	PriceFrom $1,031	Free Cancellation	Rating 7.4 3,739 reviews	Search Qatar Airways flights
JetBlue	PriceFrom $1,066	Free Cancellation	Rating 7.2 2,900 reviews	Search JetBlue flights
United Airlines	PriceFrom $1,125	Free Cancellation	Rating 7.4 9,323 reviews	Search United Airlines flights
ANA	PriceFrom $1,161	Free Cancellation	Rating 8.4 1,093 reviews	Search ANA flights
American Airlines	PriceFrom $1,196	Free Cancellation	Rating 7.2 11,313 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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Flights to Singaporefrom $496

Cheap flights from Washington, D.C. to Singapore from $415

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 4/27. 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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Turkish Airlines flights from Washington, D.C. to Singapore

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

Etihad Airways flights from Washington, D.C. to Singapore

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

momondo Fare Finder

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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?

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

Washington, D.C. flight routes

According to popular flight searches on momondo this year

Singapore flight routes

According to popular flight searches on momondo this year

Fly your favorite airline 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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