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

Etihad Airways, Cathay Pacific, and Air Canada are the most popular carriers operating from Washington, D.C. to Singapore

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 8 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 Washington, D.C. and flying into Singapore (one of the most popular routes), then the duration is 23h 10m on average. Another popular route from Washington, D.C. to Singapore is flying from Baltimore to Singapore, which will take roughly 24h 27m. 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 8 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.

$414 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.

11:57 am - 9:40 am

BWI

SIN

33h 43m

2 stops

9:00 pm - 8:04 pm

SIN

BWI

35h 04m

2 stops

$969Multiple Airlines

Mon, Apr 20 - Wed, Apr 29

3:35 pm - 9:35 am

IAD

SIN

30h 00m

1 stop

7:25 pm - 10:05 am

SIN

IAD

26h 40m

1 stop

$990Etihad Airways

Fri, Mar 13 - Mon, Mar 23

10:15 pm - 8:35 am

IAD

SIN

22h 20m

1 stop

11:40 am - 12:45 pm

SIN

IAD

37h 05m

1 stop

$994Turkish Airlines

Thu, Mar 19 - Fri, Mar 27

9:45 pm - 5:55 pm

IAD

SIN

32h 10m

1 stop

10:25 am - 11:35 am

SIN

IAD

37h 10m

1 stop

$996Turkish Airlines

Sun, Aug 23 - Thu, Sep 3

12:55 pm - 5:15 am

DCA

SIN

28h 20m

2 stops

7:00 am - 7:53 pm

SIN

DCA

24h 53m

2 stops

$1,023Air Canada

Tue, Apr 14 - Tue, Apr 28

4:10 pm - 5:15 am

DCA

SIN

49h 05m

2 stops

7:00 am - 10:19 am

SIN

DCA

39h 19m

2 stops

$1,024Air Canada

Wed, Apr 22 - Tue, Apr 28

7:16 pm - 5:35 pm

BWI

SIN

34h 19m

1 stop

8:45 pm - 6:22 pm

SIN

BWI

33h 37m

1 stop

$1,025Singapore Airlines

Wed, Apr 22 - Tue, Apr 28

6:59 pm - 11:45 am

DCA

SIN

28h 46m

2 stops

7:20 am - 11:59 pm

SIN

DCA

28h 39m

2 stops

$1,097Cathay Pacific

Tue, Apr 7 - Fri, May 22

7:31 pm - 12:25 pm

DCA

SIN

28h 54m

2 stops

8:05 pm - 12:51 am

SIN

DCA

40h 46m

2 stops

$1,102Cathay Pacific

Sun, Aug 23 - Thu, Sep 3

6:23 am - 12:55 am

BWI

SIN

30h 32m

2 stops

8:45 pm - 5:08 pm

SIN

BWI

32h 23m

1 stop

$1,113Singapore Airlines

Tue, Apr 7 - Fri, Apr 17

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

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

Singapore Airlines

Apr 7

BWI6:23 amBaltimore/Washington

30h 32m

2 stops

SIN12:55 amSingapore Changi

Apr 17

SIN8:45 pmSingapore Changi

32h 23m

1 stop

BWI5:08 pmBaltimore/Washington

$1,113

Singapore Airlines

Aug 16

DCA9:59 amWashington, D.C. Reagan-National

33h 51m

1 stop

SIN7:50 amSingapore Changi

Aug 30

SIN8:45 pmSingapore Changi

35h 15m

1 stop

DCA8:00 pmWashington, D.C. Reagan-National

$1,139

Singapore Airlines

Apr 8

BWI6:23 amBaltimore/Washington

34h 52m

1 stop

SIN5:15 amSingapore Changi

Apr 15

SIN8:45 pmSingapore Changi

32h 23m

1 stop

BWI5:08 pmBaltimore/Washington

$1,144

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 19

IAD10:15 pmWashington, D.C. Dulles Intl

22h 20m

1 stop

SIN8:35 amSingapore Changi

Mar 27

SIN11:40 amSingapore Changi

37h 05m

1 stop

IAD12:45 pmWashington, D.C. Dulles Intl

$994

Turkish Airlines

Aug 23

IAD9:45 pmWashington, D.C. Dulles Intl

32h 10m

1 stop

SIN5:55 pmSingapore Changi

Sep 3

SIN10:25 amSingapore Changi

37h 10m

1 stop

IAD11:35 amWashington, D.C. Dulles Intl

$996

Turkish Airlines

Mar 22

IAD2:30 pmWashington, D.C. Dulles Intl

39h 05m

1 stop

SIN5:35 pmSingapore Changi

Mar 26

SIN10:15 amSingapore Changi

38h 30m

1 stop

IAD12:45 pmWashington, D.C. Dulles Intl

$999

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

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Mon 4/20

11:57 am-9:40 am

2 stops33h 43m

Singapore Changi

Wed 4/29

9:00 pm-8:04 pm

2 stops35h 04m

$969

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Fri 3/13

3:35 pm-9:35 am

1 stop30h 00m

Singapore Changi

Mon 3/23

7:25 pm-10:05 am

1 stop26h 40m

$990

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 3/19

10:15 pm-8:35 am

1 stop22h 20m

Singapore Changi

Fri 3/27

11:40 am-12:45 pm

1 stop37h 05m

$994

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 8/23

9:45 pm-5:55 pm

1 stop32h 10m

Singapore Changi

Thu 9/3

10:25 am-11:35 am

1 stop37h 10m

$996

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 4/14

12:55 pm-5:15 am

2 stops28h 20m

Singapore Changi

Tue 4/28

7:00 am-7:53 pm

2 stops24h 53m

$1,023

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 4/22

4:10 pm-5:15 am

2 stops49h 05m

Singapore Changi

Tue 4/28

7:00 am-10:19 am

2 stops39h 19m

$1,024

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Wed 4/22

7:16 pm-5:35 pm

1 stop34h 19m

Singapore Changi

Tue 4/28

8:45 pm-6:22 pm

1 stop33h 37m

$1,025

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 4/7

6:59 pm-11:45 am

2 stops28h 46m

Singapore Changi

Fri 5/22

7:20 am-11:59 pm

2 stops28h 39m

$1,097

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sun 8/23

7:31 pm-12:25 pm

2 stops28h 54m

Singapore Changi

Thu 9/3

8:05 pm-12:51 am

2 stops40h 46m

$1,102

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Tue 4/7

6:23 am-12:55 am

2 stops30h 32m

Singapore Changi

Fri 4/17

8:45 pm-5:08 pm

1 stop32h 23m

$1,113

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 $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	23h 45m
Direct flights	None

The fastest flight from Washington, D.C. to Singapore takes 23h 45m

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 8 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 1,195 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 1,416 reviews	Search Etihad Airways flights
Turkish Airlines	PriceFrom $918	Free Cancellation	Rating 7.3 4,236 reviews	Search Turkish Airlines flights
Qatar Airways	PriceFrom $1,031	Free Cancellation	Rating 7.4 3,742 reviews	Search Qatar Airways flights
United Airlines	PriceFrom $1,125	Free Cancellation	Rating 7.4 9,346 reviews	Search United Airlines flights
JetBlue	PriceFrom $1,159	Free Cancellation	Rating 7.2 2,897 reviews	Search JetBlue flights
ANA	PriceFrom $1,161	Free Cancellation	Rating 8.4 1,100 reviews	Search ANA 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 3/26

Thu 4/2

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

Other flights from Washington, D.C.

Other flights to Singapore

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Singapore

Flights to Singaporefrom $486

Cheap flights from Washington, D.C. to Singapore from $414

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 4/16. 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

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

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

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

Our best Turkish Airlines 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?

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

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Singapore

List of cabin classes available on flights landing in Singapore. Availability may vary depending on flight origin and airline.

Complete your trip to Singapore

Explore popular destinations other users love

According to popular flight searches on momondo this year