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$428+ 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SIN
Mar 20 — Mar 271
Fri 3/20
Fri 3/27
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 February 18, 2026.

This KAYAK deal was found by Cheapflights users on 2/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/910:15 pm
IAD
-
SIN
1 stop22h 30m
Turkish Airlines
Mon 3/3011:10 am
SIN
-
IAD
1 stop36h 25m
Turkish Airlines
Deal found 2/17$993
This KAYAK deal was found by Cheapflights users on 2/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/11:30 pm
IAD
-
SIN
1 stop39h 05m
Turkish Airlines
Fri 3/2711:40 am
SIN
-
IAD
1 stop37h 05m
Turkish Airlines
Deal found 2/17$994
This CheapOair deal was found by Cheapflights users on 2/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/129:55 am
IAD
-
SIN
2 stops31h 20m
Air Canada
Tue 5/57:00 am
SIN
-
IAD
2 stops25h 29m
Air Canada
Deal found 2/14$996
This Cathay Pacific deal was found by Cheapflights users on 2/14. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/75:59 pm
IAD
-
SIN
2 stops33h 06m
Multiple Airlines
Tue 4/147:20 am
SIN
-
IAD
2 stops34h 20m
Multiple Airlines
Deal found 2/14$998
This Turkish Airlines deal was found by Cheapflights users on 2/17. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/111:20 pm
IAD
-
SIN
1 stop31h 25m
Turkish Airlines
Tue 10/2710:25 am
SIN
-
IAD
1 stop38h 20m
Turkish Airlines
Deal found 2/17$999
This Turkish Airlines deal was found by Cheapflights users on 2/17. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/151:30 pm
IAD
-
SIN
1 stop30h 15m
Turkish Airlines
Tue 12/15:25 am
SIN
-
IAD
1 stop43h 20m
Turkish Airlines
Deal found 2/17$1,000
This Etihad Airways deal was found by Cheapflights users on 2/17. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/123:10 pm
IAD
-
SIN
1 stop30h 30m
Multiple Airlines
Tue 5/59:00 pm
SIN
-
IAD
2 stops29h 47m
Multiple Airlines
Deal found 2/17$1,001
This KAYAK deal was found by Cheapflights users on 2/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:31 pm
DCA
-
SIN
2 stops28h 14m
Cathay Pacific
Wed 9/91:45 am
SIN
-
DCA
2 stops30h 30m
Cathay Pacific
Deal found 2/16$1,002
This oojo deal was found by Cheapflights users on 2/17. 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.
Fri 3/2010:15 pm
IAD
-
SIN
1 stop22h 20m
Turkish Airlines
Sun 3/2910:25 am
SIN
-
IAD
1 stop37h 10m
Turkish Airlines
Deal found 2/17$1,002
This oojo deal was found by Cheapflights users on 2/15. 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.
Wed 8/197:31 pm
DCA
-
SIN
2 stops28h 14m
Cathay Pacific
Tue 9/151:45 am
SIN
-
DCA
2 stops30h 30m
Cathay Pacific
Deal found 2/15$1,006
This Cathay Pacific deal was found by Cheapflights users on 2/17. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:10 am
IAD
-
SIN
2 stops41h 35m
Multiple Airlines
Thu 9/39:45 am
SIN
-
IAD
2 stops31h 15m
Multiple Airlines
Deal found 2/17$1,008
This oojo deal was found by Cheapflights users on 2/16. 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.
Sat 2/216:10 pm
IAD
-
SIN
1 stop32h 20m
SAUDIA
Fri 2/272:30 am
SIN
-
IAD
1 stop25h 15m
SAUDIA
Deal found 2/16$1,009

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 February 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$993
(KAYAK)

One-way from

$428
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$1,233
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. 15% potential increase in price ($224 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($68 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 18, 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

Tue 4/7

5:59 pm-3:05 pm

2 stops33h 06m

Singapore Changi

Tue 4/14

7:20 am-5:40 am

2 stops34h 20m

$998

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 3/22

2:30 pm-5:35 pm

1 stop39h 05m

Singapore Changi

Thu 3/26

10:15 am-8:20 pm

1 stop46h 05m

$999

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 4/12

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Tue 5/5

9:00 pm-2:47 pm

2 stops29h 47m

$1,001

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sun 4/12

11:05 am-5:15 am

2 stops30h 10m

Singapore Changi

Tue 5/5

7:00 am-10:19 am

2 stops39h 19m

$1,029

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 4/11

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Tue 4/21

9:00 pm-2:47 pm

2 stops29h 47m

$1,041

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 4/12

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Sun 4/19

9:00 pm-2:51 pm

2 stops29h 51m

$1,041

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

9:00 pm-2:47 pm

2 stops29h 47m

$1,041

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 4/21

5:59 pm-11:45 am

2 stops29h 46m

Singapore Changi

Sat 4/25

1:45 am-5:40 am

2 stops39h 55m

$1,048

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Fri 3/6

2:35 pm-9:35 am

1 stop30h 00m

Singapore Changi

Wed 3/25

7:25 pm-10:05 am

1 stop26h 40m

$1,054

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sun 4/12

12:55 pm-5:15 am

2 stops28h 20m

Singapore Changi

Tue 4/21

7:00 am-12:01 pm

2 stops41h 01m

$1,064

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/13

Showing 1-10 of 54 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 $1,140). 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 February 18, 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
3,738 reviews

Overall

7.4

Entertainment

7.4

Boarding

7.5

Comfort

7.4

Crew

7.9

Food

7.3

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
3,738 reviews
Qatar Airways
7.4
Good
3,738 reviews

Overall

7.4

Entertainment

7.4

Boarding

7.5

Comfort

7.4

Crew

7.9

Food

7.3

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
9,311 reviews
Qatar Airways
7.4
Good
3,738 reviews

Overall

7.4

Entertainment

7.4

Boarding

7.5

Comfort

7.4

Crew

7.9

Food

7.3

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
1,397 reviews
Qatar Airways
7.4
Good
3,738 reviews

Overall

7.4

Entertainment

7.4

Boarding

7.5

Comfort

7.4

Crew

7.9

Food

7.3

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
4,220 reviews
Qatar Airways
7.4
Good
3,738 reviews

Overall

7.4

Entertainment

7.4

Boarding

7.5

Comfort

7.4

Crew

7.9

Food

7.3

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
2,898 reviews
Qatar Airways
7.4
Good
3,738 reviews

Overall

7.4

Entertainment

7.4

Boarding

7.5

Comfort

7.4

Crew

7.9

Food

7.3

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, Air Canada, and United Airlines can get you from Washington, D.C. to Singapore in just under 25h 15m. Your travel time can differ by up to 13h 50m. 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 Turkish Airlines ($444), Qatar Airways ($510), and Etihad Airways ($511).

  • 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 $1,140). 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

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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 February 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$743Average$1,328FlexibilityNo cancel feeOn-time81%
Air IndiaCheapest$807Average$996FlexibilityNo cancel feeOn-timeN/A
Etihad AirwaysCheapest$833Average$990FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$918Average$1,111FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$1,031Average$1,417FlexibilityNo cancel feeOn-time68%
JetBlueCheapest$1,066Average$2,053FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$1,125Average$1,408FlexibilityNo cancel feeOn-time69%
ANACheapest$1,161Average$1,892FlexibilityNo cancel feeOn-time80%
American AirlinesCheapest$1,196Average$1,199FlexibilityNo cancel feeOn-time71%

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