HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Singapore

$448+ 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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SIN
nov. 22 — nov. 291
sáb. 11/22
sáb. 11/29
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 octubre 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,113
(oojo)

One-way from

$448
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$973
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. 14% potential increase in price ($208 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($63 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 octubre 23, 2025.

This oojo deal was found by Cheapflights users on 10/21. 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.
jue. 11/69:45 amDCA - SIN
2 stops30h 55mCathay Pacific
jue. 11/201:25 amSIN - DCA
2 stops30h 29mCathay Pacific
Deal found 10/21$1,113
This United Airlines deal was found by Cheapflights users on 10/22. 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.
lun. 11/35:59 pmDCA - SIN
1 stop25h 01mUnited Airlines
jue. 12/1110:20 pmSIN - DCA
2 stops26h 12mUnited Airlines
Deal found 10/22$1,125
This oojo deal was found by Cheapflights users on 10/21. 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.
mié. 10/2212:31 pmDCA - SIN
2 stops28h 59mCathay Pacific
sáb. 10/251:50 amSIN - DCA
2 stops35h 09mCathay Pacific
Deal found 10/21$1,128
This United Airlines deal was found by Cheapflights users on 10/22. 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.
mié. 10/297:00 amDCA - SIN
1 stop25h 15mUnited Airlines
jue. 11/2010:20 pmSIN - DCA
2 stops26h 09mUnited Airlines
Deal found 10/22$1,129
This KAYAK deal was found by Cheapflights users on 10/22. 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.
mié. 11/59:45 amDCA - SIN
2 stops30h 55mCathay Pacific
vie. 11/147:40 amSIN - DCA
2 stops24h 04mCathay Pacific
Deal found 10/22$1,134
This United Airlines deal was found by Cheapflights users on 10/21. 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.
mié. 10/229:00 amDCA - SIN
2 stops27h 45mUnited Airlines
lun. 10/2710:20 pmSIN - DCA
2 stops25h 09mUnited Airlines
Deal found 10/21$1,137
This oojo deal was found by Cheapflights users on 10/23. 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.
vie. 11/76:50 amDCA - SIN
2 stops33h 50mCathay Pacific
jue. 11/138:15 pmSIN - DCA
2 stops35h 29mCathay Pacific
Deal found 10/23$1,138
This oojo deal was found by Cheapflights users on 10/21. 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.
mié. 10/297:02 pmDCA - SIN
2 stops32h 43mCathay Pacific
mié. 11/51:25 amSIN - DCA
2 stops34h 35mCathay Pacific
Deal found 10/21$1,153
This KAYAK deal was found by Cheapflights users on 10/22. 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.
lun. 11/36:50 amDCA - SIN
2 stops45h 35mJapan Airlines
lun. 11/178:15 amSIN - DCA
2 stops41h 44mJapan Airlines
Deal found 10/22$1,156
This KAYAK deal was found by Cheapflights users on 10/22. 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.
lun. 11/39:45 amDCA - SIN
2 stops37h 10mCathay Pacific
mar. 11/118:15 pmSIN - DCA
2 stops35h 29mCathay Pacific
Deal found 10/22$1,159
This oojo deal was found by Cheapflights users on 10/23. 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.
sáb. 11/87:59 pmDCA - SIN
2 stops44h 41mCathay Pacific
dom. 11/238:15 pmSIN - DCA
2 stops35h 39mCathay Pacific
Deal found 10/23$1,170
This oojo deal was found by Cheapflights users on 10/22. 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.
mar. 11/46:58 pmDCA - SIN
1 stop35h 07mSingapore Airlines
sáb. 12/139:15 amSIN - DCA
1 stop21h 44mSingapore Airlines
Deal found 10/22$1,171

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 octubre 23, 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

mié. 11/5

5:59 pm-8:00 am

1 stop25h 01m

Singapore Changi

jue. 11/13

10:20 pm-2:55 pm

2 stops29h 35m

$1,125

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

mar. 11/11

2:51 pm-8:00 am

2 stops28h 09m

Singapore Changi

mar. 11/18

10:10 am-9:43 pm

1 stop24h 33m

$1,125

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

mié. 11/5

5:59 pm-8:00 am

1 stop25h 01m

Singapore Changi

mar. 11/11

10:20 pm-11:29 am

2 stops26h 09m

$1,125

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

mar. 11/11

5:59 pm-8:00 am

1 stop25h 01m

Singapore Changi

mar. 11/25

10:10 am-9:43 pm

1 stop24h 33m

$1,125

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

lun. 11/3

5:59 pm-8:00 am

1 stop25h 01m

Singapore Changi

lun. 12/15

10:20 pm-11:32 am

2 stops26h 12m

$1,125

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

mié. 11/5

5:59 pm-8:00 am

1 stop25h 01m

Singapore Changi

mar. 12/16

10:10 am-9:36 pm

1 stop24h 26m

$1,125

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

lun. 11/3

5:59 pm-8:00 am

1 stop25h 01m

Singapore Changi

mié. 12/10

10:10 am-9:36 pm

1 stop24h 26m

$1,125

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

mié. 11/12

5:59 pm-8:00 am

1 stop25h 01m

Singapore Changi

mar. 11/18

10:20 pm-11:29 am

2 stops26h 09m

$1,125

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

mar. 11/25

6:59 am-7:00 am

2 stops35h 01m

$529

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

lun. 11/17

8:40 pm-7:00 am

2 stops45h 20m

$631

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Singapore flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 octubre 23, 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. United Airlines provides one of the quickest options available for as low as $1,125. There are 9651 mi between Washington, D.C. Reagan-National Airport and Singapore.

  • 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.