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 Cathay Pacific 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 24h on average. Another popular route from Washington, D.C. to Singapore is flying from Baltimore to Singapore, which will take roughly 24h 06m. 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 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.

$402 Cheap Flights from Washington, D.C. to Singapore in 2026

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

Enter your travel dates to find the best prices.

3:35 pm - 9:35 am

IAD

SIN

30h 00m

1 stop

7:25 pm - 10:05 am

SIN

IAD

26h 40m

1 stop

$847Etihad Airways

Wed, Mar 18 - Wed, Mar 25

2:35 pm - 9:35 am

IAD

SIN

30h 00m

1 stop

7:25 pm - 10:05 am

SIN

IAD

26h 40m

1 stop

$848Etihad Airways

Mon, Mar 2 - Mon, Mar 9

2:35 pm - 9:35 am

IAD

SIN

30h 00m

1 stop

7:25 pm - 10:05 am

SIN

IAD

26h 40m

1 stop

$850Etihad Airways

Mon, Mar 2 - Mon, Mar 9

9:15 pm - 8:35 am

IAD

SIN

22h 20m

1 stop

10:15 am - 7:20 pm

SIN

IAD

46h 05m

1 stop

$882Turkish Airlines

Sun, Mar 1 - Thu, Mar 5

1:30 pm - 8:35 am

IAD

SIN

30h 05m

1 stop

11:40 am - 11:45 am

SIN

IAD

37h 05m

1 stop

$883Turkish Airlines

Tue, Feb 17 - Wed, Mar 4

6:59 pm - 12:25 pm

DCA

SIN

29h 26m

2 stops

8:05 pm - 10:59 pm

SIN

DCA

38h 54m

2 stops

$1,033Cathay Pacific

Sun, Apr 12 - Tue, May 5

6:37 pm - 11:55 am

DCA

SIN

28h 18m

2 stops

1:25 am - 10:59 pm

SIN

DCA

33h 34m

2 stops

$1,058Cathay Pacific

Wed, Mar 4 - Tue, Mar 10

3:10 pm - 8:00 am

DCA

SIN

27h 50m

2 stops

10:10 am - 9:39 pm

SIN

DCA

24h 29m

1 stop

$1,127United Airlines

Tue, Feb 17 - Wed, Feb 25

5:00 am - 12:50 am

BWI

SIN

30h 50m

2 stops

1:55 am - 5:56 pm

SIN

BWI

28h 01m

2 stops

$1,131American Airlines

Wed, Feb 18 - Tue, Sep 15

8:31 am - 7:00 am

BWI

SIN

34h 29m

1 stop

10:10 am - 7:19 am

SIN

BWI

33h 09m

1 stop

$1,207United Airlines

Thu, Mar 19 - Thu, Mar 26

Korean Air flights from Washington, D.C. to Singapore

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

Korean Air

Feb 16

IAD11:50 amWashington, D.C. Dulles Intl

28h 10m

1 stop

SIN5:00 amSingapore Changi

Jun 11

SIN1:10 amSingapore Changi

30h 06m

2 stops

IAD7:16 pmWashington, D.C. Dulles Intl

$1,191

Korean Air

Mar 22

DCA8:40 amWashington, D.C. Reagan-National

27h 30m

2 stops

SIN12:10 amSingapore Changi

Mar 26

SIN10:30 pmSingapore Changi

30h 30m

2 stops

DCA5:00 pmWashington, D.C. Reagan-National

$1,346

Korean Air

Feb 22

DCA5:00 pmWashington, D.C. Reagan-National

47h 00m

2 stops

SIN5:00 amSingapore Changi

Jun 9

SIN10:30 pmSingapore Changi

31h 41m

2 stops

DCA6:11 pmWashington, D.C. Reagan-National

$1,354

EVA Air flights from Washington, D.C. to Singapore

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

EVA Air

Feb 6

DCA5:59 pmWashington, D.C. Reagan-National

37h 16m

1 stop

SIN8:15 pmSingapore Changi

Feb 12

SIN10:10 amSingapore Changi

24h 26m

1 stop

DCA9:36 pmWashington, D.C. Reagan-National

$1,239

EVA Air

Feb 18

BWI6:46 pmBaltimore/Washington

28h 19m

2 stops

SIN12:05 pmSingapore Changi

Sep 16

SIN3:20 pmSingapore Changi

27h 01m

2 stops

BWI6:21 amBaltimore/Washington

$1,370

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 3/18

3:35 pm-9:35 am

1 stop30h 00m

Singapore Changi

Wed 3/25

7:25 pm-10:05 am

1 stop26h 40m

$847

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 3/2

2:35 pm-9:35 am

1 stop30h 00m

Singapore Changi

Mon 3/9

7:25 pm-10:05 am

1 stop26h 40m

$848

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 3/2

2:35 pm-9:35 am

1 stop30h 00m

Singapore Changi

Mon 3/9

7:25 pm-10:05 am

1 stop26h 40m

$850

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

Thu 3/5

10:15 am-7:20 pm

1 stop46h 05m

$882

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 2/17

1:30 pm-8:35 am

1 stop30h 05m

Singapore Changi

Wed 3/4

11:40 am-11:45 am

1 stop37h 05m

$883

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sun 4/12

6:59 pm-12:25 pm

2 stops29h 26m

Singapore Changi

Tue 5/5

8:05 pm-10:59 pm

2 stops38h 54m

$1,033

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 3/4

6:37 pm-11:55 am

2 stops28h 18m

Singapore Changi

Tue 3/10

1:25 am-10:59 pm

2 stops33h 34m

$1,058

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 2/17

3:10 pm-8:00 am

2 stops27h 50m

Singapore Changi

Wed 2/25

10:10 am-9:39 pm

1 stop24h 29m

$1,127

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Wed 2/18

5:00 am-12:50 am

2 stops30h 50m

Singapore Changi

Tue 9/15

1:55 am-5:56 pm

2 stops28h 01m

$1,131

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Thu 3/19

8:31 am-7:00 am

1 stop34h 29m

Singapore Changi

Thu 3/26

10:10 am-7:19 am

1 stop33h 09m

$1,207

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 $723. 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 $1,251 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 $1,076 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	23h 00m
Direct flights	None

The fastest flight from Washington, D.C. to Singapore takes 23h 00m

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 1,188 reviews	Search Korean Air flights
Air India	PriceFrom $807	Free Cancellation	Rating 5.5 2,974 reviews	Search Air India flights
Etihad Airways	PriceFrom $833	Free Cancellation	Rating 7.3 1,380 reviews	Search Etihad Airways flights
Turkish Airlines	PriceFrom $895	Free Cancellation	Rating 7.3 4,210 reviews	Search Turkish Airlines flights
Qatar Airways	PriceFrom $1,021	Free Cancellation	Rating 7.4 3,729 reviews	Search Qatar Airways flights
JetBlue	PriceFrom $1,066	Free Cancellation	Rating 7.2 2,893 reviews	Search JetBlue flights
ANA	PriceFrom $1,161	Free Cancellation	Rating 8.4 1,082 reviews	Search ANA flights
United Airlines	PriceFrom $1,174	Free Cancellation	Rating 7.4 9,232 reviews	Search United Airlines flights
American Airlines	PriceFrom $1,196	Free Cancellation	Rating 7.2 11,215 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

Thu 3/5

Thu 3/12

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 $504

Washington, D.C. flight routes

Flights from Washington, D.C. Dulles Intl to Miami

Flights from Baltimore/Washington to Chicago O'Hare Intl

Flights from Washington, D.C. Dulles Intl to Orlando

Flights from Washington, D.C. Dulles Intl to Blountville Tri Cities TN/VA

Flights from Washington, D.C. Dulles Intl to Atlanta Hartsfield-Jackson

Flights from Baltimore/Washington to Orlando

Cheap flights from Washington, D.C. to Singapore from $402

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 3/2. 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

Korean Air flights from Washington, D.C. to Singapore

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

EVA Air flights from Washington, D.C. to Singapore

Our best EVA Air 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

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?

You could potentially save up to 3% on your flight if you consider stops on a Washington, D.C. to Singapore flight.

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

IndiGo and Cathay Pacific 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

Fastest flight time

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