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

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

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 25h 28m on average. Another popular route from Washington, D.C. to Singapore is flying from Baltimore to Singapore, which will take roughly 28h 20m. 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 34% of people opting to fly with this airline when traveling to Singapore. Keep in mind that there are 6 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 6 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.

$473 Cheap Flights from Washington, D.C. to Singapore in 2026

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

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

3:10 pm - 9:40 am

IAD

SIN

30h 30m

1 stop

11:25 pm - 7:30 pm

SIN

IAD

32h 05m

1 stop

$1,044Multiple Airlines

Tue, Sep 8 - Thu, Sep 17

3:10 pm - 9:40 am

IAD

SIN

30h 30m

1 stop

9:00 pm - 9:45 am

SIN

IAD

24h 45m

1 stop

$1,055Etihad Airways

Thu, Aug 27 - Mon, Sep 28

3:10 pm - 9:40 am

IAD

SIN

30h 30m

1 stop

9:00 pm - 9:45 am

SIN

IAD

24h 45m

1 stop

$1,068Etihad Airways

Sun, Aug 30 - Mon, Sep 21

9:00 pm - 3:45 pm

IAD

SIN

30h 45m

1 stop

7:40 pm - 8:55 am

SIN

IAD

25h 15m

1 stop

$1,104Qatar Airways

Thu, Sep 17 - Thu, Oct 8

6:18 pm - 5:35 pm

BWI

SIN

35h 17m

1 stop

9:00 am - 5:20 am

SIN

BWI

32h 20m

1 stop

$1,145Singapore Airlines

Thu, Sep 17 - Thu, Oct 8

11:52 am - 8:45 am

BWI

SIN

31h 53m

2 stops

3:15 am - 11:55 pm

SIN

BWI

33h 40m

2 stops

$1,271Qatar Airways

Thu, Nov 5 - Wed, Nov 18

4:20 pm - 5:15 am

DCA

SIN

48h 55m

2 stops

7:00 am - 10:20 am

SIN

DCA

39h 20m

2 stops

$1,306Air Canada

Mon, Sep 7 - Thu, Sep 24

12:40 pm - 5:15 am

DCA

SIN

28h 35m

2 stops

7:00 am - 9:50 pm

SIN

DCA

26h 50m

2 stops

$1,313Air Canada

Tue, Sep 1 - Thu, Sep 24

6:25 pm - 6:30 pm

BWI

SIN

36h 05m

2 stops

9:35 pm - 9:29 pm

SIN

BWI

35h 54m

2 stops

$1,322Finnair

Tue, Sep 1 - Tue, Sep 22

7:36 am - 6:30 pm

BWI

SIN

46h 54m

2 stops

9:35 pm - 9:27 pm

SIN

BWI

35h 52m

2 stops

$1,328Finnair

Sat, Sep 5 - Mon, Sep 21

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

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

Turkish Airlines

Sep 7

IAD9:45 pmWashington, D.C. Dulles Intl

23h 45m

1 stop

SIN9:30 amSingapore Changi

Sep 24

SIN11:05 pmSingapore Changi

24h 30m

1 stop

IAD11:35 amWashington, D.C. Dulles Intl

$1,119

Turkish Airlines

Sep 13

IAD9:45 pmWashington, D.C. Dulles Intl

32h 10m

1 stop

SIN5:55 pmSingapore Changi

Sep 24

SIN11:05 pmSingapore Changi

24h 30m

1 stop

IAD11:35 amWashington, D.C. Dulles Intl

$1,122

Turkish Airlines

Sep 6

IAD9:45 pmWashington, D.C. Dulles Intl

32h 10m

1 stop

SIN5:55 pmSingapore Changi

Sep 11

SIN10:25 amSingapore Changi

37h 10m

1 stop

IAD11:35 amWashington, D.C. Dulles Intl

$1,124

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

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

Etihad Airways

Aug 27

IAD3:10 pmWashington, D.C. Dulles Intl

30h 30m

1 stop

SIN9:40 amSingapore Changi

Sep 28

SIN9:00 pmSingapore Changi

24h 45m

1 stop

IAD9:45 amWashington, D.C. Dulles Intl

$1,055

Etihad Airways

Aug 30

IAD3:10 pmWashington, D.C. Dulles Intl

30h 30m

1 stop

SIN9:40 amSingapore Changi

Sep 21

SIN9:00 pmSingapore Changi

24h 45m

1 stop

IAD9:45 amWashington, D.C. Dulles Intl

$1,068

Etihad Airways

Aug 27

IAD3:10 pmWashington, D.C. Dulles Intl

30h 30m

1 stop

SIN9:40 amSingapore Changi

Sep 28

SIN9:00 pmSingapore Changi

24h 45m

1 stop

IAD9:45 amWashington, D.C. Dulles Intl

$1,075

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 9/8

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Thu 9/17

11:25 pm-7:30 pm

1 stop32h 05m

$1,044

Quickest round-trip

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 8/27

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Mon 9/28

9:00 pm-9:45 am

1 stop24h 45m

$1,055

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 8/30

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Mon 9/21

9:00 pm-9:45 am

1 stop24h 45m

$1,068

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 9/17

9:00 pm-3:45 pm

1 stop30h 45m

Singapore Changi

Thu 10/8

7:40 pm-8:55 am

1 stop25h 15m

$1,104

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Thu 9/17

6:18 pm-5:35 pm

1 stop35h 17m

Singapore Changi

Thu 10/8

9:00 am-5:20 am

1 stop32h 20m

$1,145

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Thu 11/5

11:52 am-8:45 am

2 stops31h 53m

Singapore Changi

Wed 11/18

3:15 am-11:55 pm

2 stops33h 40m

$1,271

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Mon 9/7

4:20 pm-5:15 am

2 stops48h 55m

Singapore Changi

Thu 9/24

7:00 am-10:20 am

2 stops39h 20m

$1,306

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 9/1

12:40 pm-5:15 am

2 stops28h 35m

Singapore Changi

Thu 9/24

7:00 am-9:50 pm

2 stops26h 50m

$1,313

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Tue 9/1

6:25 pm-6:30 pm

2 stops36h 05m

Singapore Changi

Tue 9/22

9:35 pm-9:29 pm

2 stops35h 54m

$1,322

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Sat 9/5

7:36 am-6:30 pm

2 stops46h 54m

Singapore Changi

Mon 9/21

9:35 pm-9:27 pm

2 stops35h 52m

$1,328

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

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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 $1,289 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 $961 on momondo.

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

You could potentially save up to 4% 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	22h 10m
Direct flights	None

The fastest flight from Washington, D.C. to Singapore takes 22h 10m

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 6 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 1,217 reviews	Search Korean Air flights
Etihad Airways	PriceFrom $828	Free Cancellation	Rating 7.3 1,445 reviews	Search Etihad Airways flights
Turkish Airlines	PriceFrom $939	Free Cancellation	Rating 7.4 4,396 reviews	Search Turkish Airlines flights
Qatar Airways	PriceFrom $1,041	Free Cancellation	Rating 7.4 3,726 reviews	Search Qatar Airways flights
United Airlines	PriceFrom $1,124	Free Cancellation	Rating 7.4 9,753 reviews	Search United Airlines flights
JetBlue	PriceFrom $1,245	Free Cancellation	Rating 7.1 2,982 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 $473

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 9/2. 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

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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.

Get notified when prices go down

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

Find better results for your trip to Singapore

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According to popular flight searches on momondo this year

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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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