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

IndiGo, Etihad Airways, and Air Canada 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 10 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 Baltimore and flying into Singapore (one of the most popular routes), then the duration is 23h 15m on average. Another popular route from Washington, D.C. to Singapore is flying from Washington, D.C. to Singapore, which will take roughly 23h 48m. 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 10 as of August 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.

$419 Cheap Flights from Washington, D.C. to Singapore in 2025

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

Round-trip

One-way

Last minute

Cheap round-trip flights

9:40 pm - 5:20 pmIAD-SIN

31h 40m2 stops

11:25 pm - 7:30 pmSIN-IAD

32h 05m1 stop

$865

Find Deal

Wed, Sep 10 - Thu, Sep 25

10:05 pm - 9:40 amIAD-SIN

23h 35m1 stop

9:10 pm - 4:10 pmSIN-IAD

31h 00m1 stop

$866Etihad Airways

Find Deal

Thu, Sep 11 - Tue, Sep 30

9:10 pm - 9:35 amIAD-SIN

23h 25m1 stop

7:25 pm - 4:05 pmSIN-IAD

33h 40m1 stop

$869Etihad Airways

Find Deal

Fri, Jan 16 - Fri, Jan 30

7:43 am - 5:45 pmIAD-SIN

45h 02m1 stop

9:00 am - 5:55 amSIN-IAD

33h 55m1 stop

$954Singapore Airlines

Find Deal

Thu, Nov 13 - Tue, Dec 16

6:00 am - 7:00 amDCA-SIN

37h 00m2 stops

8:50 am - 10:26 amSIN-DCA

38h 36m2 stops

$958Air Canada

Find Deal

Fri, Oct 31 - Sat, Nov 8

6:00 am - 7:00 amDCA-SIN

36h 00m2 stops

8:50 am - 9:56 pmSIN-DCA

26h 06m2 stops

$969Air Canada

Find Deal

Wed, Nov 12 - Tue, Nov 18

5:00 pm - 5:45 pmDCA-SIN

36h 45m1 stop

9:00 am - 9:59 pmSIN-DCA

25h 59m1 stop

$985Singapore Airlines

Find Deal

Sat, Nov 1 - Sat, Nov 8

9:10 pm - 10:00 amIAD-SIN

23h 50m1 stop

11:25 pm - 11:45 amSIN-IAD

25h 20m1 stop

$1,020Turkish Airlines

Find Deal

Wed, Nov 12 - Tue, Nov 18

6:45 am - 6:15 amBWI-SIN

35h 30m1 stop

8:45 am - 5:50 amSIN-BWI

33h 05m1 stop

$1,113United Airlines

Find Deal

Sun, Sep 28 - Sun, Oct 5

7:00 am - 6:25 pmDCA-SIN

23h 25m1 stop

8:45 am - 9:37 pmSIN-DCA

24h 52m1 stop

$1,183United Airlines

Find Deal

Mon, Sep 1 - Sun, Sep 14

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

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

Etihad Airways

Sep 11

IAD10:05 pmWashington, D.C. Dulles Intl

23h 35m

1 stop

SIN9:40 amSingapore Changi

Sep 30

SIN9:10 pmSingapore Changi

31h 00m

1 stop

IAD4:10 pmWashington, D.C. Dulles Intl

$866

Find similar

Etihad Airways

Jan 16

IAD9:10 pmWashington, D.C. Dulles Intl

23h 25m

1 stop

SIN9:35 amSingapore Changi

Jan 30

SIN7:25 pmSingapore Changi

33h 40m

1 stop

IAD4:05 pmWashington, D.C. Dulles Intl

$869

Find similar

Etihad Airways

Sep 1

IAD10:05 pmWashington, D.C. Dulles Intl

23h 35m

1 stop

SIN9:40 amSingapore Changi

Sep 14

SIN9:10 pmSingapore Changi

31h 00m

1 stop

IAD4:10 pmWashington, D.C. Dulles Intl

$874

Find similar

IndiGo flights from Washington, D.C. to Singapore

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

IndiGo

Sep 22

IAD9:40 pmWashington, D.C. Dulles Intl

32h 05m

2 stops

SIN5:45 pmSingapore Changi

Oct 13

SIN7:45 pmSingapore Changi

36h 00m

2 stops

IAD7:45 pmWashington, D.C. Dulles Intl

$923

Find similar

IndiGo

Aug 23

IAD1:30 pmWashington, D.C. Dulles Intl

39h 50m

2 stops

SIN5:20 pmSingapore Changi

Sep 8

SIN7:45 pmSingapore Changi

36h 00m

2 stops

IAD7:45 pmWashington, D.C. Dulles Intl

$934

Find similar

IndiGo

Sep 27

IAD9:40 pmWashington, D.C. Dulles Intl

31h 40m

2 stops

SIN5:20 pmSingapore Changi

Oct 4

SIN7:45 pmSingapore Changi

36h 00m

2 stops

IAD7:45 pmWashington, D.C. Dulles Intl

$945

Find similar

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

Wed 9/10

9:40 pm-5:20 pm

2 stops31h 40m

Singapore Changi

Thu 9/25

11:25 pm-7:30 pm

1 stop32h 05m

$865

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 9/11

10:05 pm-9:40 am

1 stop23h 35m

Singapore Changi

Tue 9/30

9:10 pm-4:10 pm

1 stop31h 00m

$866

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Fri 1/16

9:10 pm-9:35 am

1 stop23h 25m

Singapore Changi

Fri 1/30

7:25 pm-4:05 pm

1 stop33h 40m

$869

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 11/13

7:43 am-5:45 pm

1 stop45h 02m

Singapore Changi

Tue 12/16

9:00 am-5:55 am

1 stop33h 55m

$954

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Fri 10/31

6:00 am-7:00 am

2 stops37h 00m

Singapore Changi

Sat 11/8

8:50 am-10:26 am

2 stops38h 36m

$958

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 11/12

6:00 am-7:00 am

2 stops36h 00m

Singapore Changi

Tue 11/18

8:50 am-9:56 pm

2 stops26h 06m

$969

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sat 11/1

5:00 pm-5:45 pm

1 stop36h 45m

Singapore Changi

Sat 11/8

9:00 am-9:59 pm

1 stop25h 59m

$985

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 11/12

9:10 pm-10:00 am

1 stop23h 50m

Singapore Changi

Tue 11/18

11:25 pm-11:45 am

1 stop25h 20m

$1,020

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Sun 9/28

6:45 am-6:15 am

1 stop35h 30m

Singapore Changi

Sun 10/5

8:45 am-5:50 am

1 stop33h 05m

$1,113

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Mon 9/1

7:00 am-6:25 pm

1 stop23h 25m

Singapore Changi

Sun 9/14

8:45 am-9:37 pm

1 stop24h 52m

$1,183

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

Airlines

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 $738. 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 $976.

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 $1,183 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 $1,016 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

Best Price Found	$419
Fastest flight time	23h 25m
Direct flights	None
Airports in Singapore	1 airport

The best one-way flight to Singapore from Washington, D.C. in the past 72 hours is $419. The best round-trip flight deal from Washington, D.C. to Singapore found on momondo in the last 72 hours is $865.

The fastest flight from Washington, D.C. to Singapore takes 23h 25m

There are no direct flights from Washington, D.C. to Singapore. Popular non-direct routes for this connection are Washington, D.C. Dulles Intl Airport - Singapore Changi Airport and Baltimore/Washington Airport - Singapore Changi Airport.

There is 1 airport near Singapore: Singapore Changi (SIN)

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 10 as of August 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 2,930 reviews	Search Air India flights
Turkish Airlines	PriceFrom $822	Free Cancellation	Rating 7.3 3,940 reviews	Search Turkish Airlines flights
Etihad Airways	PriceFrom $833	Free Cancellation	Rating 7.4 1,232 reviews	Search Etihad Airways flights
United Airlines	PriceFrom $935	Free Cancellation	Rating 7.4 8,916 reviews	Search United Airlines flights
Air Canada	PriceFrom $938	Free Cancellation	Rating 7.1 9,949 reviews	Search Air Canada flights
Korean Air	PriceFrom $944	Free Cancellation	Rating 8.4 1,131 reviews	Search Korean Air flights
Qatar Airways	PriceFrom $996	Free Cancellation	Rating 7.4 3,608 reviews	Search Qatar Airways flights
JetBlue	PriceFrom $1,024	Free Cancellation	Rating 7.2 2,914 reviews	Search JetBlue flights
Alaska Airlines	PriceFrom $1,066	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $1,196	Free Cancellation	Rating 7.2 10,000 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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Tue 8/19

Tue 8/26

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Singapore

Popular cities in Singapore

Flights to Singaporefrom $531

Washington, D.C. flight routes

Washington, D.C. Dulles Intl to Valparaiso Destin-Ft Walton Beach

Washington, D.C. Dulles Intl to Savannah/Hilton Head

Baltimore/Washington to Miami

Baltimore/Washington to Detroit Metropolitan Wayne County

Washington, D.C. Dulles Intl to South Bend/Michiana

Washington, D.C. Reagan-National to New York John F Kennedy Intl

Cheap flights from Washington, D.C. to Singapore from $419

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.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

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

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

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

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

IndiGo flights from Washington, D.C. to Singapore

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

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Singapore that are best for you.

See travel insights to Singapore from

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 Air Canada 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

Best Price Found

Fastest flight time

Direct flights

Airports in Singapore

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