HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Singapore

$544+ 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SIN
Dec 15 — Dec 221
Mon 12/15
Mon 12/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Reagan-National to Singapore with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,166
(oojo)

One-way from

$544
(oojo)

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.
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. 17% potential increase in price ($255 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($76 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 15, 2025.

This Kissandfly.com deal was found by Cheapflights users on 11/14. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/15:59 pmDCA - SIN
1 stop37h 16mLufthansa
Tue 12/1610:10 amSIN - DCA
1 stop24h 26mLufthansa
Deal found 11/14$1,173
This United Airlines deal was found by Cheapflights users on 11/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/55:59 pmDCA - SIN
1 stop25h 01mUnited Airlines
Mon 12/2210:10 amSIN - DCA
1 stop24h 33mUnited Airlines
Deal found 11/12$1,174
This Air Canada deal was found by Cheapflights users on 11/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2811:05 amDCA - SIN
2 stops30h 55mAir Canada
Fri 12/58:50 amSIN - DCA
2 stops38h 31mAir Canada
Deal found 11/14$1,220
This United Airlines deal was found by Cheapflights users on 11/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/165:59 pmDCA - SIN
1 stop25h 01mUnited Airlines
Fri 11/2110:10 amSIN - DCA
1 stop24h 33mUnited Airlines
Deal found 11/14$1,224
This oojo deal was found by Cheapflights users on 11/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/169:59 amDCA - SIN
2 stops38h 06mChina Airlines
Thu 11/202:00 amSIN - DCA
2 stops55h 42mChina Airlines
Deal found 11/14$1,261
This KAYAK deal was found by Cheapflights users on 11/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:38 pmDCA - SIN
2 stops40h 47mCathay Pacific
Mon 12/228:15 pmSIN - DCA
2 stops35h 42mCathay Pacific
Deal found 11/12$1,271
This Kissandfly.com deal was found by Cheapflights users on 11/14. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:38 pmDCA - SIN
2 stops28h 17mCathay Pacific
Tue 12/168:15 pmSIN - DCA
2 stops35h 39mCathay Pacific
Deal found 11/14$1,298
This United Airlines deal was found by Cheapflights users on 11/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/15:59 pmDCA - SIN
1 stop25h 01mUnited Airlines
Mon 12/2210:10 amSIN - DCA
1 stop24h 33mUnited Airlines
Deal found 11/12$1,332
This United Airlines deal was found by Cheapflights users on 11/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:00 pmDCA - SIN
2 stops30h 00mUnited Airlines
Sat 5/238:45 amSIN - DCA
1 stop25h 08mUnited Airlines
Deal found 11/14$1,350
This oojo deal was found by Cheapflights users on 11/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:50 pmDCA - SIN
2 stops31h 15mCathay Pacific
Sat 5/231:25 pmSIN - DCA
2 stops42h 51mCathay Pacific
Deal found 11/14$1,355
This Air Canada deal was found by Cheapflights users on 11/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:00 amDCA - SIN
2 stops36h 00mAir Canada
Sun 12/78:50 amSIN - DCA
2 stops38h 31mAir Canada
Deal found 11/14$1,365

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 15, 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

Sun 1/18

8:00 am-12:40 am

2 stops51h 40m

Singapore Changi

Sat 1/24

2:00 am-8:00 pm

2 stops55h 00m

$1,168

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Fri 12/5

5:59 pm-8:00 am

1 stop25h 01m

Singapore Changi

Tue 12/23

10:20 pm-11:29 am

2 stops26h 09m

$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

10:10 am-9:52 pm

1 stop24h 42m

$1,174

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Fri 12/5

5:59 pm-8:00 am

1 stop25h 01m

Singapore Changi

Mon 12/22

10:10 am-9:43 pm

1 stop24h 33m

$1,174

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Thu 1/29

2:00 pm-6:55 am

2 stops27h 55m

Singapore Changi

Sat 2/7

10:10 am-9:52 pm

1 stop24h 42m

$1,184

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sun 1/25

2:00 pm-6:55 am

2 stops27h 55m

Singapore Changi

Sun 2/1

10:20 pm-11:58 am

2 stops26h 38m

$1,188

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sun 1/18

5:59 pm-8:00 am

1 stop25h 01m

Singapore Changi

Sun 1/25

10:10 am-9:52 pm

1 stop24h 42m

$1,224

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Mon 12/1

6:38 pm-12:25 am

2 stops40h 47m

Singapore Changi

Mon 12/22

8:15 pm-6:57 pm

2 stops35h 42m

$1,271

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Mon 12/1

5:59 pm-8:00 am

1 stop25h 01m

Singapore Changi

Mon 12/22

10:10 am-9:43 pm

1 stop24h 33m

$1,332

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Mon 12/1

5:59 pm-8:00 am

1 stop25h 01m

Singapore Changi

Tue 12/23

10:20 pm-11:29 am

2 stops26h 09m

$1,332

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/13

Showing 1-10 of 18 results
1
2

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.

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 SIN?

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 15, 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.

  • 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. China 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.

  • What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Singapore one-way?

    $544 is the cheapest one-way deal found within the past few days, from Cathay Pacific. You may also be able to find cheap deals on Air Canada and Singapore Airlines, with prices starting from $593 and $620, respectively.

  • 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

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.

Alternative routes for Reagan-National to Singapore

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Singapore flights
Baltimore to Singapore flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.