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$552+ 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 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SIN
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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Cheap 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 November 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,158
(Japan Airlines)

One-way from

$552
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$1,253
Provider with most accurate pricing for Washington, D.C. Reagan-National-Singapore Changi flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Singapore Changi flights.
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From Washington, D.C. Reagan-National to Singapore Changi
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One-way flight from Washington, D.C. Reagan-National to Singapore Changi
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Highest demand for flights based on searches. 17% potential increase in price ($256 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($76 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find 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 November 26, 2025.

This United Airlines deal was found by Cheapflights users on 11/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/262:51 pmDCA - SIN
2 stops28h 09mUnited Airlines
Sun 12/710:10 amSIN - DCA
1 stop24h 26mUnited Airlines
Deal found 11/24$1,174
This KAYAK deal was found by Cheapflights users on 11/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/296:38 pmDCA - SIN
2 stops28h 17mCathay Pacific
Wed 12/108:15 pmSIN - DCA
2 stops39h 45mCathay Pacific
Deal found 11/25$1,209
This United Airlines deal was found by Cheapflights users on 11/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/297:00 amDCA - SIN
1 stop24h 15mUnited Airlines
Sat 12/1310:20 pmSIN - DCA
2 stops26h 12mUnited Airlines
Deal found 11/25$1,224
This United Airlines deal was found by Cheapflights users on 11/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/3012:00 pmDCA - SIN
2 stops29h 55mUnited Airlines
Fri 12/1210:10 amSIN - DCA
1 stop24h 26mUnited Airlines
Deal found 11/25$1,234
This Air Canada deal was found by Cheapflights users on 11/25. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:00 amDCA - SIN
2 stops29h 55mAir Canada
Sat 12/278:50 amSIN - DCA
2 stops26h 06mAir Canada
Deal found 11/25$1,242
This Korean Air deal was found by Cheapflights users on 11/25. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/305:03 pmDCA - SIN
2 stops46h 57mKorean Air
Tue 12/91:35 amSIN - DCA
2 stops29h 24mKorean Air
Deal found 11/25$1,243
This oojo deal was found by Cheapflights users on 11/24. 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.
Tue 12/29:45 amDCA - SIN
2 stops37h 10mCathay Pacific
Wed 12/108:15 pmSIN - DCA
2 stops39h 45mCathay Pacific
Deal found 11/24$1,244
This Air Canada deal was found by Cheapflights users on 11/25. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/309:40 amDCA - SIN
2 stops32h 20mAir Canada
Sat 12/278:50 amSIN - DCA
2 stops26h 06mAir Canada
Deal found 11/25$1,278
This Air Canada deal was found by Cheapflights users on 11/25. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/29:40 amDCA - SIN
2 stops32h 20mAir Canada
Sat 12/278:50 amSIN - DCA
2 stops26h 06mAir Canada
Deal found 11/25$1,283
This Delta deal was found by Cheapflights users on 11/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:40 amDCA - SIN
2 stops27h 30mDelta
Sat 12/271:35 amSIN - DCA
2 stops33h 02mDelta
Deal found 11/26$1,288
This Korean Air deal was found by Cheapflights users on 11/24. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:59 amDCA - SIN
2 stops28h 11mKorean Air
Mon 1/51:35 amSIN - DCA
2 stops34h 57mKorean Air
Deal found 11/24$1,293
This Air Canada deal was found by Cheapflights users on 11/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:59 amDCA - SIN
2 stops35h 01mAir Canada
Sun 12/288:50 amSIN - DCA
2 stops26h 06mAir Canada
Deal found 11/26$1,313

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 November 26, 2025.
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

Fri 1/9

5:59 pm-8:00 am

1 stop25h 01m

Singapore Changi

Mon 2/16

10:10 am-9:39 pm

1 stop24h 29m

$1,174

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

Sat 4/4

8:40 pm-11:45 am

2 stops27h 05m

$1,179

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sun 3/29

9:40 am-5:00 am

2 stops31h 20m

Singapore Changi

Tue 4/7

7:30 am-9:41 pm

2 stops26h 11m

$1,188

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sat 3/7

12:32 pm-8:15 pm

2 stops42h 43m

Singapore Changi

Tue 3/24

10:10 am-9:45 pm

1 stop23h 35m

$1,192

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Fri 1/23

6:59 am-12:10 am

2 stops28h 11m

Singapore Changi

Wed 1/28

10:30 pm-1:53 pm

2 stops28h 23m

$1,193

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 3/4

9:37 am-11:55 am

2 stops37h 18m

Singapore Changi

Mon 3/23

1:25 am-4:37 pm

2 stops27h 12m

$1,207

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sat 2/28

5:50 pm-8:00 am

1 stop25h 10m

Singapore Changi

Fri 3/6

10:10 am-9:45 pm

1 stop24h 35m

$1,224

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sat 1/10

5:59 pm-8:00 am

1 stop25h 01m

Singapore Changi

Sat 1/17

10:10 am-9:52 pm

1 stop24h 42m

$1,224

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sun 1/18

6:59 am-12:50 am

2 stops28h 51m

Singapore Changi

Wed 1/21

2:20 am-12:44 pm

2 stops23h 24m

$1,232

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sat 1/10

5:45 pm-5:25 pm

2 stops34h 40m

Singapore Changi

Sat 1/17

8:15 am-8:00 pm

2 stops24h 45m

$1,293

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/25

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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Reagan-National Airport-Singapore flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 25h 01m. United Airlines provides one of the quickest options available for as low as $1,174. 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.

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