Singapore

$453+ Cheap flights from Reagan-National (DCA) 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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SIN
Dec 4 — Dec 111
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Cheap flight deals from Reagan-National to Singapore

Keep the following information in mind while searching for Reagan-National to Singapore flight deals. Data was last updated November 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,124
(United Airlines)

One-way from

$453
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$1,224
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. Reagan-National to Singapore
One-way flight from Washington, D.C. Reagan-National to Singapore
Highest demand for flights based on searches. 14% potential increase in price ($208 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($63 potential savings vs. average RT price).
Average for round-trip flights in November 2025

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 4, 2025.

This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/35:59 pmDCA - SIN
1 stop25h 01mUnited Airlines
Mon 11/1010:10 amSIN - DCA
1 stop24h 33mUnited Airlines
Deal found 11/2$1,124
This United Airlines deal was found by Cheapflights users on 11/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/23:30 pmDCA - SIN
2 stops27h 30mUnited Airlines
Wed 12/1710:10 amSIN - DCA
2 stops23h 45mUnited Airlines
Deal found 11/4$1,129
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:59 pmDCA - SIN
1 stop25h 01mUnited Airlines
Thu 1/1510:45 amSIN - DCA
3 stops40h 04mUnited Airlines
Deal found 11/2$1,134
This United Airlines deal was found by Cheapflights users on 11/1. 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 11/54:17 pmDCA - SIN
2 stops26h 43mUnited Airlines
Fri 11/710:20 pmSIN - DCA
1 stop31h 32mUnited Airlines
Deal found 11/1$1,174
This United Airlines deal was found by Cheapflights users on 11/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/95:59 pmDCA - SIN
1 stop25h 01mUnited Airlines
Tue 11/2510:10 amSIN - DCA
2 stops24h 59mUnited Airlines
Deal found 11/3$1,179
This oojo deal was found by Cheapflights users on 11/3. 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.
Tue 11/46:38 pmDCA - SIN
2 stops29h 27mCathay Pacific
Mon 11/101:25 amSIN - DCA
2 stops30h 31mCathay Pacific
Deal found 11/3$1,184
This oojo deal was found by Cheapflights users on 11/2. 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.
Tue 11/189:45 amDCA - SIN
2 stops30h 55mCathay Pacific
Wed 12/34:45 pmSIN - DCA
2 stops36h 40mCathay Pacific
Deal found 11/2$1,203
This Ovago deal was found by Cheapflights users on 11/3. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/119:45 amDCA - SIN
2 stops38h 20mCathay Pacific
Tue 11/251:25 amSIN - DCA
2 stops30h 29mCathay Pacific
Deal found 11/3$1,225
This Air Canada deal was found by Cheapflights users on 11/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/84:10 pmDCA - SIN
2 stops49h 50mAir Canada
Sat 11/158:50 amSIN - DCA
2 stops26h 45mAir Canada
Deal found 11/3$1,226
This oojo deal was found by Cheapflights users on 11/2. 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 12/46:38 pmDCA - SIN
2 stops28h 17mCathay Pacific
Sun 12/216:00 pmSIN - DCA
2 stops37h 57mCathay Pacific
Deal found 11/2$1,240
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/76:00 amDCA - SIN
2 stops29h 55mUnited Airlines
Sat 12/2010:20 pmSIN - DCA
2 stops26h 38mUnited Airlines
Deal found 11/2$1,242

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 4, 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

Mon 3/9

4:07 pm-8:15 pm

2 stops40h 08m

Singapore Changi

Thu 3/12

10:20 pm-1:07 pm

2 stops26h 47m

$1,129

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Thu 3/26

6:00 am-8:00 am

2 stops38h 00m

Singapore Changi

Wed 4/8

9:00 am-9:53 pm

1 stop24h 53m

$1,129

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 3/25

7:30 pm-12:10 am

2 stops40h 40m

Singapore Changi

Tue 4/7

7:30 am-11:20 pm

2 stops27h 50m

$1,138

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 3/24

10:00 am-5:00 am

2 stops31h 00m

Singapore Changi

Tue 4/7

7:30 am-11:20 pm

2 stops27h 50m

$1,138

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Mon 3/23

8:20 am-5:00 am

2 stops32h 40m

Singapore Changi

Mon 4/6

10:30 pm-4:59 pm

2 stops30h 29m

$1,144

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 3/24

8:20 am-12:10 am

2 stops27h 50m

Singapore Changi

Mon 4/6

7:30 am-2:40 pm

2 stops43h 10m

$1,144

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 2/10

3:30 pm-8:00 am

2 stops27h 30m

Singapore Changi

Sun 2/15

10:10 am-9:36 pm

1 stop24h 26m

$1,174

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 1/21

5:59 pm-8:00 am

1 stop25h 01m

Singapore Changi

Sat 1/24

10:20 pm-11:29 am

2 stops26h 09m

$1,174

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Thu 3/26

8:20 am-12:10 am

2 stops27h 50m

Singapore Changi

Fri 4/3

10:30 pm-2:40 pm

2 stops28h 10m

$1,194

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Fri 2/20

2:00 pm-8:00 am

2 stops29h 00m

Singapore Changi

Fri 2/27

10:10 am-9:36 pm

1 stop24h 26m

$1,224

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 19 results
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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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Singapore

What is the cheapest time of day to fly from DCA to SG?

Find hourly flight availability from Reagan-National to Singapore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 4, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 25% on flights from Washington, D.C. Reagan-National Airport to Singapore by exploring options for tickets in the evening.

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.
  • 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 40h 08m. United Airlines provides one of the quickest options available for as low as $1,129. 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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