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$415+ Cheap flights from Washington, D.C. (WAS) to Singapore

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SIN
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Singapore

Cheapest flights from Washington, D.C. to Singapore
Explore the most affordable flight options available from Washington, D.C. to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.

This CrystalTravel deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/153:35 pm
IAD
-
SIN
1 stop30h 00m
Etihad Airways
Wed 3/257:25 pm
SIN
-
IAD
1 stop26h 40m
Etihad Airways
Deal found 1/27$854
This Gotogate deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/103:35 pm
IAD
-
SIN
1 stop30h 00m
Etihad Airways
Tue 3/177:25 pm
SIN
-
IAD
1 stop26h 40m
Etihad Airways
Deal found 1/26$871
This Justfly.com deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/31:30 pm
IAD
-
SIN
1 stop30h 05m
Turkish Airlines
Wed 2/1111:40 am
SIN
-
IAD
1 stop37h 05m
Turkish Airlines
Deal found 1/25$881
This Justfly.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/19:15 pm
IAD
-
SIN
1 stop22h 20m
Turkish Airlines
Thu 3/510:15 am
SIN
-
IAD
1 stop46h 05m
Turkish Airlines
Deal found 1/28$882
This Rumbo deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/82:35 pm
IAD
-
SIN
1 stop30h 00m
Etihad Airways
Mon 2/237:25 pm
SIN
-
IAD
1 stop26h 40m
Etihad Airways
Deal found 1/28$883
This Cheapflightsfares deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/252:35 pm
IAD
-
SIN
1 stop30h 00m
Etihad Airways
Wed 3/47:25 pm
SIN
-
IAD
1 stop26h 40m
Etihad Airways
Deal found 1/26$886
This CrystalTravel deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/173:35 pm
IAD
-
SIN
1 stop30h 00m
Etihad Airways
Thu 3/267:25 pm
SIN
-
IAD
1 stop26h 40m
Etihad Airways
Deal found 1/27$887
This Cheapflightsfares deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/32:35 pm
IAD
-
SIN
1 stop30h 00m
Etihad Airways
Wed 2/117:25 pm
SIN
-
IAD
1 stop26h 40m
Etihad Airways
Deal found 1/27$888
This Mytrip deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/42:35 pm
IAD
-
SIN
1 stop30h 00m
Etihad Airways
Mon 3/309:00 pm
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 1/26$889
This Mytrip deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/153:35 pm
IAD
-
SIN
1 stop30h 00m
Etihad Airways
Wed 4/299:00 pm
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 1/27$890
This Gotogate deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/232:35 pm
IAD
-
SIN
1 stop30h 00m
Etihad Airways
Mon 3/27:25 pm
SIN
-
IAD
1 stop26h 40m
Etihad Airways
Deal found 1/26$894
This oojo deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/196:28 pm
BWI
-
SIN
1 stop25h 22m
Singapore Airlines
Fri 4/249:00 am
SIN
-
BWI
1 stop32h 44m
Singapore Airlines
Deal found 1/26$1,093

Find flight deals from Washington, D.C. to Singapore

Keep the following information in mind while searching for Washington, D.C. to Singapore flight deals. Data was last updated January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$854
(CrystalTravel)

One-way from

$415
(CheapOair)

Popular in

December

Cheapest in

August

Average price

$1,124
Provider with most accurate pricing for Washington, D.C. (WAS)-Singapore Changi flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Singapore Changi flights.
Search Deals
From Washington, D.C. (WAS) to Singapore
Search Deals
One-way flight from Washington, D.C. (WAS) to Singapore
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($249 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($72 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Singapore that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 28, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Singapore that are best for you.

Fly from

Washington, D.C.

Fly to

Singapore

Route

Depart

Return

Price

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Fri 3/20

2:30 pm-5:35 pm

1 stop39h 05m

Singapore Changi

Fri 3/27

11:40 am-12:45 pm

1 stop37h 05m

$931

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 2/18

9:15 pm-10:00 am

1 stop23h 45m

Singapore Changi

Wed 9/16

11:05 pm-11:35 am

1 stop24h 30m

$955

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 3/22

10:15 pm-8:35 am

1 stop22h 20m

Singapore Changi

Thu 3/26

10:15 am-8:20 pm

1 stop46h 05m

$994

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 3/17

3:35 pm-9:35 am

1 stop30h 00m

Singapore Changi

Thu 3/26

7:25 pm-1:32 pm

2 stops30h 07m

$1,010

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 3/15

3:35 pm-11:30 am

2 stops31h 55m

Singapore Changi

Wed 4/29

9:00 pm-9:45 am

1 stop24h 45m

$1,030

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 2/26

2:35 pm-11:30 am

2 stops31h 55m

Singapore Changi

Thu 3/5

7:25 pm-9:05 am

1 stop26h 40m

$1,030

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 3/15

3:35 pm-11:30 am

2 stops31h 55m

Singapore Changi

Wed 3/25

7:25 pm-10:05 am

1 stop26h 40m

$1,030

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 4/25

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Tue 5/12

5:10 pm-9:45 am

2 stops28h 35m

$1,069

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 3/9

3:35 pm-9:35 am

1 stop30h 00m

Singapore Changi

Mon 3/16

5:10 pm-10:05 am

2 stops28h 55m

$1,070

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 3/16

3:35 pm-11:30 am

2 stops31h 55m

Singapore Changi

Thu 3/26

7:25 pm-1:32 pm

2 stops30h 07m

$1,081

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 57 results
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Best time to book a flight from Washington, D.C. to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Washington, D.C. with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Singapore

What is the cheapest month to book a flight from Washington, D.C. to Singapore?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Singapore (average of $833). Flying from Washington, D.C. to Singapore in June is currently the most expensive (average of $1,142). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Singapore

Get insights into the airlines that provide service to Singapore. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Singapore. Reviews last updated January 28, 2026.
Read reviews from past customers who have flown Qatar Airways, United Airlines, and Etihad Airways from Washington, D.C. to Singapore. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.4
Good
3,730 reviews

Boarding

7.5

Food

7.3

Overall

7.4

Comfort

7.4

Crew

7.9

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
Qatar Airways
7.4
Good
3,730 reviews
Qatar Airways
7.4
Good
3,730 reviews

Boarding

7.5

Food

7.3

Overall

7.4

Comfort

7.4

Crew

7.9

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
United Airlines
7.4
Good
9,212 reviews
Qatar Airways
7.4
Good
3,730 reviews

Boarding

7.5

Food

7.3

Overall

7.4

Comfort

7.4

Crew

7.9

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
Etihad Airways
7.3
Good
1,376 reviews
Qatar Airways
7.4
Good
3,730 reviews

Boarding

7.5

Food

7.3

Overall

7.4

Comfort

7.4

Crew

7.9

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
Turkish Airlines
7.3
Good
4,209 reviews
Qatar Airways
7.4
Good
3,730 reviews

Boarding

7.5

Food

7.3

Overall

7.4

Comfort

7.4

Crew

7.9

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
JetBlue
7.2
Good
2,890 reviews
Qatar Airways
7.4
Good
3,730 reviews

Boarding

7.5

Food

7.3

Overall

7.4

Comfort

7.4

Crew

7.9

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Singapore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. to Singapore?

    Turkish Airlines, United Airlines, and American Airlines can get you from Washington, D.C. to Singapore in just under 25h 10m. Your travel time can differ by up to 13h 55m. The distance between Washington, D.C. and Singapore is about 9651 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Washington, D.C. to Singapore one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. to Singapore are IndiGo ($429), Turkish Airlines ($444), and Qatar Airways ($510).

  • What are the most popular routes from Washington, D.C. to Singapore?

    The most popular route from Washington, D.C. to Singapore is Washington, D.C. Dulles Intl - Singapore Changi. You may also consider Washington, D.C. Reagan-National - Singapore Changi or Baltimore/Washington - Singapore Changi.

  • Can I find deals for flights from Washington, D.C. to Singapore that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Singapore flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Singapore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Singapore.

  • Can I find deals for business class flights from Washington, D.C. to Singapore?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Singapore by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. to Singapore?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Singapore (average of $833). Flying from Washington, D.C. to Singapore in June is currently the most expensive (average of $1,142). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington, D.C. to Singapore

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Washington, D.C. to Singapore

Discover the top 9 airlines that operate flights from Washington, D.C. to Singapore. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$743Average$1,328FlexibilityNo cancel feeOn-time81%
Air IndiaCheapest$807Average$1,020FlexibilityNo cancel feeOn-timeN/A
Etihad AirwaysCheapest$833Average$990FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$866Average$1,098FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$1,031Average$1,329FlexibilityNo cancel feeOn-time68%
JetBlueCheapest$1,066Average$2,053FlexibilityNo cancel feeOn-time62%
ANACheapest$1,161Average$2,103FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$1,174Average$1,392FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,196Average$1,199FlexibilityNo cancel feeOn-time71%

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