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 24h 18m on average. Another popular route from Washington, D.C. to Singapore is flying from Baltimore to Singapore, which will take roughly 24h 30m. 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?

Qatar Airways and Finnair 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 34% of people opting to fly with this airline when traveling to Singapore. Keep in mind that there are 7 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 7 as of May 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.

$551 Cheap Flights from Washington, D.C. to Singapore in 2026

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1:20 pm - 5:55 pm

IAD

SIN

40h 35m

1 stop

5:25 am - 11:35 am

SIN

IAD

42h 10m

1 stop

$1,048Turkish Airlines

Mon, Sep 28 - Thu, Oct 8

9:00 pm - 12:55 pm

IAD

SIN

27h 55m

2 stops

7:40 pm - 3:40 pm

SIN

IAD

32h 00m

1 stop

$1,186Qatar Airways

Wed, Sep 9 - Wed, Sep 23

9:00 pm - 4:15 pm

IAD

SIN

31h 15m

1 stop

7:00 pm - 6:20 pm

SIN

IAD

35h 20m

1 stop

$1,194Qatar Airways

Mon, Jun 1 - Tue, Jun 9

9:00 pm - 11:25 am

IAD

SIN

26h 25m

2 stops

7:40 pm - 8:55 am

SIN

IAD

25h 15m

1 stop

$1,195Qatar Airways

Mon, Sep 28 - Thu, Oct 8

3:10 pm - 9:40 am

IAD

SIN

30h 30m

1 stop

9:00 pm - 9:45 am

SIN

IAD

24h 45m

1 stop

$1,204Etihad Airways

Thu, Jul 16 - Mon, Aug 3

3:10 pm - 9:40 am

IAD

SIN

30h 30m

1 stop

9:00 pm - 9:45 am

SIN

IAD

24h 45m

1 stop

$1,209Etihad Airways

Thu, Jul 16 - Mon, Aug 3

9:00 pm - 6:15 pm

IAD

SIN

33h 15m

2 stops

7:40 pm - 8:45 am

SIN

IAD

25h 05m

1 stop

$1,211Multiple Airlines

Fri, Sep 4 - Sat, Sep 19

4:20 pm - 5:15 am

DCA

SIN

48h 55m

2 stops

7:00 am - 10:20 am

SIN

DCA

39h 20m

2 stops

$1,242Air Canada

Mon, Sep 28 - Sun, Oct 4

4:20 pm - 9:30 pm

DCA

SIN

65h 10m

2 stops

7:00 am - 3:40 pm

SIN

DCA

44h 40m

2 stops

$1,264Air Canada

Wed, Sep 2 - Sun, Sep 13

6:12 pm - 1:55 pm

BWI

SIN

31h 43m

2 stops

3:20 pm - 5:20 am

SIN

BWI

26h 00m

2 stops

$1,417EVA Air

Wed, Oct 14 - Wed, Oct 21

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

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

Qatar Airways

Sep 9

IAD9:00 pmWashington, D.C. Dulles Intl

27h 55m

2 stops

SIN12:55 pmSingapore Changi

Sep 23

SIN7:40 pmSingapore Changi

32h 00m

1 stop

IAD3:40 pmWashington, D.C. Dulles Intl

$1,186

Qatar Airways

Jun 1

IAD9:00 pmWashington, D.C. Dulles Intl

31h 15m

1 stop

SIN4:15 pmSingapore Changi

Jun 9

SIN7:00 pmSingapore Changi

35h 20m

1 stop

IAD6:20 pmWashington, D.C. Dulles Intl

$1,194

Qatar Airways

Jun 1

IAD9:00 pmWashington, D.C. Dulles Intl

24h 20m

1 stop

SIN9:20 amSingapore Changi

Jun 10

SIN7:00 pmSingapore Changi

35h 20m

1 stop

IAD6:20 pmWashington, D.C. Dulles Intl

$1,200

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

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

Etihad Airways

Jul 16

IAD3:10 pmWashington, D.C. Dulles Intl

30h 30m

1 stop

SIN9:40 amSingapore Changi

Aug 3

SIN9:00 pmSingapore Changi

24h 45m

1 stop

IAD9:45 amWashington, D.C. Dulles Intl

$1,204

Etihad Airways

Jul 20

IAD3:10 pmWashington, D.C. Dulles Intl

30h 30m

1 stop

SIN9:40 amSingapore Changi

Aug 12

SIN9:00 pmSingapore Changi

24h 45m

1 stop

IAD9:45 amWashington, D.C. Dulles Intl

$1,222

Etihad Airways

May 17

IAD3:10 pmWashington, D.C. Dulles Intl

30h 30m

1 stop

SIN9:40 amSingapore Changi

Jul 15

SIN9:00 pmSingapore Changi

24h 45m

1 stop

IAD9:45 amWashington, D.C. Dulles Intl

$1,223

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 9/28

1:20 pm-5:55 pm

1 stop40h 35m

Singapore Changi

Thu 10/8

5:25 am-11:35 am

1 stop42h 10m

$1,048

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 9/9

9:00 pm-12:55 pm

2 stops27h 55m

Singapore Changi

Wed 9/23

7:40 pm-3:40 pm

1 stop32h 00m

$1,186

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 6/1

9:00 pm-4:15 pm

1 stop31h 15m

Singapore Changi

Tue 6/9

7:00 pm-6:20 pm

1 stop35h 20m

$1,194

Quickest round-trip

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 9/28

9:00 pm-11:25 am

2 stops26h 25m

Singapore Changi

Thu 10/8

7:40 pm-8:55 am

1 stop25h 15m

$1,195

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 7/16

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Mon 8/3

9:00 pm-9:45 am

1 stop24h 45m

$1,204

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 7/16

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Mon 8/3

9:00 pm-9:45 am

1 stop24h 45m

$1,209

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Fri 9/4

9:00 pm-6:15 pm

2 stops33h 15m

Singapore Changi

Sat 9/19

7:40 pm-8:45 am

1 stop25h 05m

$1,211

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Mon 9/28

4:20 pm-5:15 am

2 stops48h 55m

Singapore Changi

Sun 10/4

7:00 am-10:20 am

2 stops39h 20m

$1,242

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 9/2

4:20 pm-9:30 pm

2 stops65h 10m

Singapore Changi

Sun 9/13

7:00 am-3:40 pm

2 stops44h 40m

$1,264

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Wed 10/14

6:12 pm-1:55 pm

2 stops31h 43m

Singapore Changi

Wed 10/21

3:20 pm-5:20 am

2 stops26h 00m

$1,417

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

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Other information

What is the cheapest month to fly to Singapore?

The month of September is, on average, the cheapest month to fly to Singapore from Washington, D.C., with most prices found around $343. If you aren’t able to travel to Singapore during the month of September, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $674.

How far in advance should I book a flight from Washington, D.C. 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 $1,279 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 $886 on momondo.

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

You could potentially save up to 3% 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	24h 16m
Direct flights	None

The fastest flight from Washington, D.C. to Singapore takes 24h 16m

There are no direct flights from Washington, D.C. to Singapore. There are no popular flight routes from Washington, D.C. to Singapore.

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Frequently asked questions about flying 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 7 as of May 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 1,216 reviews	Search Korean Air flights
Air India	PriceFrom $807	Free Cancellation	Rating 5.5 2,953 reviews	Search Air India flights
Etihad Airways	PriceFrom $828	Free Cancellation	Rating 7.3 1,433 reviews	Search Etihad Airways flights
Turkish Airlines	PriceFrom $917	Free Cancellation	Rating 7.4 4,344 reviews	Search Turkish Airlines flights
Qatar Airways	PriceFrom $1,041	Free Cancellation	Rating 7.4 3,723 reviews	Search Qatar Airways flights
United Airlines	PriceFrom $1,124	Free Cancellation	Rating 7.4 9,681 reviews	Search United Airlines flights
JetBlue	PriceFrom $1,245	Free Cancellation	Rating 7.1 2,971 reviews	Search JetBlue 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 $551

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 8/26. 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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Qatar Airways flights from Washington, D.C. to Singapore

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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 from Washington, D.C. 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

Frequently asked questions about flying from Washington, D.C. 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?

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.

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Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip 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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