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$457+ Cheap flights from Reagan-National (DCA) to Singapore (SIN)

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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SIN
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
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Cheap flight deals from Reagan-National to Singapore

Cheapest flights from Reagan-National to Singapore
Explore the most affordable flight options available from Reagan-National to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.

This oojo deal was found by Cheapflights users on 2/11. 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 3/49:35 am
DCA
-
SIN
2 stops31h 05m
Cathay Pacific
Sun 3/158:15 pm
SIN
-
DCA
2 stops48h 44m
Cathay Pacific
Deal found 2/11$965
This Travelocity deal was found by Cheapflights users on 2/11. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1612:55 pm
DCA
-
SIN
2 stops28h 20m
Air Canada
Thu 4/307:00 am
SIN
-
DCA
2 stops24h 53m
Air Canada
Deal found 2/11$973
This Expedia deal was found by Cheapflights users on 2/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/112:55 pm
DCA
-
SIN
2 stops29h 05m
Air Canada
Thu 12/318:50 am
SIN
-
DCA
2 stops25h 10m
Air Canada
Deal found 2/9$995
This oojo deal was found by Cheapflights users on 2/12. 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 10/71:31 pm
DCA
-
SIN
2 stops34h 14m
Cathay Pacific
Tue 10/137:20 am
SIN
-
DCA
2 stops29h 39m
Cathay Pacific
Deal found 2/12$1,006
This Orbitz deal was found by Cheapflights users on 2/12. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:55 pm
DCA
-
SIN
2 stops30h 05m
Air Canada
Thu 11/58:50 am
SIN
-
DCA
2 stops24h 07m
Air Canada
Deal found 2/12$1,009
This oojo deal was found by Cheapflights users on 2/11. 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 3/296:00 am
DCA
-
SIN
2 stops41h 45m
Cathay Pacific
Sun 4/198:05 pm
SIN
-
DCA
2 stops39h 54m
Cathay Pacific
Deal found 2/11$1,015
This Air Canada deal was found by Cheapflights users on 2/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2512:55 pm
DCA
-
SIN
2 stops52h 20m
Air Canada
Tue 8/47:00 am
SIN
-
DCA
2 stops41h 00m
Air Canada
Deal found 2/11$1,022
This Air Canada deal was found by Cheapflights users on 2/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1211:05 am
DCA
-
SIN
2 stops30h 10m
Air Canada
Tue 5/57:00 am
SIN
-
DCA
2 stops39h 19m
Air Canada
Deal found 2/12$1,029
This Cathay Pacific deal was found by Cheapflights users on 2/9. 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.
Thu 8/277:31 pm
DCA
-
SIN
2 stops35h 34m
Cathay Pacific
Mon 9/288:05 pm
SIN
-
DCA
2 stops40h 50m
Cathay Pacific
Deal found 2/9$1,037
This Air Canada deal was found by Cheapflights users on 2/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/112:55 pm
DCA
-
SIN
2 stops29h 05m
Air Canada
Tue 1/198:50 am
SIN
-
DCA
2 stops25h 10m
Air Canada
Deal found 2/9$1,039
This oojo deal was found by Cheapflights users on 2/12. 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 8/238:20 am
DCA
-
SIN
2 stops39h 25m
Cathay Pacific
Thu 9/36:00 pm
SIN
-
DCA
2 stops42h 51m
Cathay Pacific
Deal found 2/12$1,040
This Gurufare deal was found by Cheapflights users on 2/9. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/19:40 am
DCA
-
SIN
2 stops32h 20m
Multiple Airlines
Sun 1/178:50 am
SIN
-
DCA
2 stops25h 10m
Multiple Airlines
Deal found 2/9$1,041

Find flight deals from Reagan-National to Singapore

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Singapore (SIN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 12, 2026.

Most accurate provider

Ovago
2 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$965
(oojo)

One-way from

$457
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$1,233
Provider with most accurate pricing for Washington, D.C. Reagan-National-Singapore Changi flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Singapore Changi flights.
Search Deals
From Washington, D.C. Reagan-National to Singapore Changi
Search Deals
One-way flight from Washington, D.C. Reagan-National to Singapore Changi
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($228 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($69 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 Reagan-National 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 12, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Singapore that are best for you.

Fly from

Reagan-National

Fly to

Singapore

Route

Depart

Return

Price

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sun 3/29

9:40 am-5:15 am

2 stops31h 35m

Singapore Changi

Sun 4/19

7:00 am-10:19 am

2 stops39h 19m

$1,155

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Thu 5/28

11:00 am-5:15 am

2 stops30h 15m

Singapore Changi

Sat 6/27

7:00 am-9:48 pm

2 stops26h 48m

$1,174

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Mon 3/9

4:11 pm-7:00 am

2 stops26h 49m

Singapore Changi

Tue 3/24

10:10 am-9:45 pm

1 stop23h 35m

$1,176

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Mon 3/30

3:30 pm-6:45 am

2 stops27h 15m

Singapore Changi

Wed 4/8

9:00 am-10:28 pm

1 stop25h 28m

$1,176

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 3/10

5:55 pm-7:00 am

1 stop25h 05m

Singapore Changi

Tue 3/17

10:10 am-9:45 pm

1 stop23h 35m

$1,176

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Mon 3/23

7:00 am-8:15 pm

1 stop25h 15m

Singapore Changi

Mon 3/30

9:00 am-10:28 pm

1 stop25h 28m

$1,177

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Mon 3/23

7:00 am-8:15 pm

1 stop25h 15m

Singapore Changi

Thu 3/26

10:10 am-9:45 pm

1 stop23h 35m

$1,177

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 3/25

7:00 am-8:15 pm

1 stop25h 15m

Singapore Changi

Wed 4/1

9:00 am-10:28 pm

1 stop25h 28m

$1,177

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Mon 3/9

1:00 pm-7:00 am

2 stops30h 00m

Singapore Changi

Tue 3/17

10:10 am-9:45 pm

1 stop23h 35m

$1,177

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 3/24

7:00 am-8:15 pm

1 stop25h 15m

Singapore Changi

Wed 4/1

9:00 am-10:28 pm

1 stop25h 28m

$1,177

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 19 results
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Compare providers for flights from Reagan-National to Singapore

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Singapore in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Singapore flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Washington, D.C. Reagan-National Airport-Singapore flight deals on Cheapflights vs. Ovago 90-95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Singapore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Singapore flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Singapore flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Reagan-National to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Reagan-National 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.

Related info for your journey

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

  • What airport do you fly into for flights to Singapore from Washington, D.C. Reagan-National?

    Singapore Changi (SIN) is the airport you will fly into if you book a flight from Washington, D.C. Reagan-National to Singapore. You should not have trouble finding flights to Changi from Washington, D.C. Reagan-National; the airport handles an average of 0 inbound flights from Washington, D.C. Reagan-National per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Singapore airport from Washington, D.C. Reagan-National. It is only a 10.5 mi journey from Changi (SIN) to Singapore’s city center.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Singapore?

    A quick flight from Washington, D.C. Reagan-National Airport to Singapore can take about 26h 49m. Air Canada provides one of the quickest options available for as low as $1,176. There are 9651 mi between Washington, D.C. Reagan-National Airport and Singapore. This flight may include one or multiple stops.

  • Can I find deals for flights from Reagan-National to Singapore that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Singapore flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Singapore?

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

  • Can I find deals for business class flights from Reagan-National to Singapore?

    Yes. Cheapflights offers flight deals from Reagan-National 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.

See more FAQs

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