Singapore

$291+ 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 4/16. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SIN
Apr 6 — Apr 131
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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 March 7, 2026.

This KAYAK deal was found by Cheapflights users on 3/2. 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.
Thu 9/101:20 pm
IAD
-
SIN
1 stop40h 35m
Turkish Airlines
Wed 10/711:05 pm
SIN
-
IAD
1 stop24h 30m
Turkish Airlines
Deal found 3/2$994
This Turkish Airlines deal was found by Cheapflights users on 3/2. 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 9/69:45 pm
IAD
-
SIN
1 stop32h 10m
Turkish Airlines
Wed 10/711:05 pm
SIN
-
IAD
1 stop24h 30m
Turkish Airlines
Deal found 3/2$999
This oojo deal was found by Cheapflights users on 3/2. 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.
Thu 8/277:31 pm
DCA
-
SIN
2 stops28h 54m
Cathay Pacific
Mon 9/288:05 pm
SIN
-
DCA
2 stops40h 50m
Cathay Pacific
Deal found 3/2$1,002
This FlightHub deal was found by Cheapflights users on 3/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/71:15 am
IAD
-
SIN
1 stop22h 40m
EVA Air
Mon 10/51:10 pm
SIN
-
IAD
1 stop20h 50m
EVA Air
Deal found 3/2$1,002
This Cathay Pacific deal was found by Cheapflights users on 3/2. 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 11/36:10 am
IAD
-
SIN
2 stops41h 55m
Multiple Airlines
Tue 11/1710:00 am
SIN
-
IAD
2 stops32h 00m
Multiple Airlines
Deal found 3/2$1,008
This Kiwi.com deal was found by Cheapflights users on 3/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/271:20 pm
IAD
-
SIN
1 stop39h 40m
Multiple Airlines
Thu 5/148:55 am
SIN
-
IAD
2 stops36h 50m
Multiple Airlines
Deal found 3/3$1,010
This Gotogate deal was found by Cheapflights users on 3/4. 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.
Sat 4/181:20 pm
IAD
-
SIN
1 stop40h 35m
Turkish Airlines
Sat 4/2511:10 am
SIN
-
IAD
1 stop44h 40m
Turkish Airlines
Deal found 3/4$1,012
This oojo deal was found by Cheapflights users on 3/4. 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 8/239:45 pm
IAD
-
SIN
1 stop32h 10m
Turkish Airlines
Thu 9/35:25 am
SIN
-
IAD
1 stop42h 10m
Turkish Airlines
Deal found 3/4$1,013
This oojo deal was found by Cheapflights users on 3/2. 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 4/47:04 pm
BWI
-
SIN
1 stop34h 31m
Singapore Airlines
Wed 4/158:45 pm
SIN
-
BWI
1 stop32h 23m
Singapore Airlines
Deal found 3/2$1,015
This FlightHub deal was found by Cheapflights users on 3/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/79:45 pm
IAD
-
SIN
1 stop23h 45m
Turkish Airlines
Mon 10/511:05 pm
SIN
-
IAD
1 stop24h 30m
Turkish Airlines
Deal found 3/2$1,016
This oojo deal was found by Cheapflights users on 3/2. 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 3/213:35 pm
IAD
-
SIN
1 stop30h 00m
Etihad Airways
Mon 3/309:00 pm
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 3/2$1,021
This oojo deal was found by Cheapflights users on 3/3. 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 4/113:10 pm
IAD
-
SIN
1 stop30h 30m
Etihad Airways
Sat 4/189:00 pm
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 3/3$1,022

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 March 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$996
(Kiwi.com)

One-way from

$291
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$1,124
Provider with most accurate pricing for Washington, D.C. (WAS)-Singapore Changi flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Singapore Changi flights.
From Washington, D.C. (WAS) to Singapore
One-way flight from Washington, D.C. (WAS) to Singapore
Highest demand for flights based on searches. 15% potential increase in price ($229 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($69 potential savings vs. average RT price).
Average for round-trip flights in March 2026

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 March 7, 2026.
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

Cheapest round-trip

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 4/27

8:20 pm-2:40 pm

2 stops30h 20m

Singapore Changi

Wed 5/13

3:15 am-4:05 pm

1 stop24h 50m

$1,117

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 3/18

7:00 am-8:15 pm

1 stop25h 15m

Singapore Changi

Thu 3/26

10:10 am-11:59 pm

2 stops25h 49m

$1,181

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 3/17

6:03 pm-7:00 am

1 stop24h 57m

Singapore Changi

Tue 4/7

9:00 am-9:25 pm

2 stops24h 25m

$1,181

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 3/31

1:00 pm-6:45 am

2 stops29h 45m

Singapore Changi

Wed 4/8

9:00 am-10:28 pm

1 stop25h 28m

$1,226

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Mon 4/27

5:59 pm-6:45 am

1 stop24h 46m

Singapore Changi

Wed 6/3

8:45 am-10:15 pm

1 stop25h 30m

$1,226
Quickest round-trip

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 3/17

7:00 am-8:15 pm

1 stop25h 15m

Singapore Changi

Tue 3/31

9:00 am-9:06 pm

2 stops24h 06m

$1,231

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 4/7

2:33 pm-6:45 am

2 stops28h 12m

Singapore Changi

Fri 4/17

9:00 am-10:15 pm

2 stops25h 15m

$1,231

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 3/31

5:55 pm-6:45 am

1 stop24h 50m

Singapore Changi

Tue 4/7

9:00 am-11:34 pm

2 stops26h 34m

$1,231

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 3/17

12:35 pm-7:00 am

2 stops30h 25m

Singapore Changi

Tue 3/31

6:15 am-1:25 am

2 stops31h 10m

$1,244

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sat 3/28

5:55 pm-6:35 pm

1 stop36h 40m

Singapore Changi

Sat 4/18

9:00 am-10:28 pm

1 stop25h 28m

$1,289

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

Showing 1-10 of 58 resultsSorted by cheapest first
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6

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 $1,134). 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 March 7, 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.

Entertainment

7.4

Overall

7.4

Food

7.3

Boarding

7.5

Crew

7.9

Comfort

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

Entertainment

7.4

Overall

7.4

Food

7.3

Boarding

7.5

Crew

7.9

Comfort

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

Entertainment

7.4

Overall

7.4

Food

7.3

Boarding

7.5

Crew

7.9

Comfort

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

Entertainment

7.4

Overall

7.4

Food

7.3

Boarding

7.5

Crew

7.9

Comfort

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

Entertainment

7.4

Overall

7.4

Food

7.3

Boarding

7.5

Crew

7.9

Comfort

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

Entertainment

7.4

Overall

7.4

Food

7.3

Boarding

7.5

Crew

7.9

Comfort

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?

    Singapore Airlines, Qatar Airways, 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 9h 16m. 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), Etihad Airways ($481), and Qatar Airways ($510).

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

  • 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 $1,134). 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.

Top 8 airlines flying from Washington, D.C. to Singapore

Discover the top 8 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 March 7, 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$1,105FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$1,031Average$1,394FlexibilityNo cancel feeOn-time68%
United AirlinesCheapest$1,125Average$1,401FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$1,159Average$2,079FlexibilityNo cancel feeOn-time62%
ANACheapest$1,161Average$1,892FlexibilityNo cancel feeOn-time80%

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