Singapore

$553+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SIN
Mar 31 — Apr 71
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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 March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$966
(Air Canada)

One-way from

$553
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$1,425
Provider with most accurate pricing for Washington, D.C. Reagan-National-Singapore Changi flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Singapore Changi flights.
From Washington, D.C. Reagan-National to Singapore Changi
One-way flight from Washington, D.C. Reagan-National to Singapore Changi
Highest demand for flights based on searches. 11% potential increase in price ($184 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($80 potential savings vs. average RT price).
Average for round-trip flights in March 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 March 26, 2025.

This Air Canada deal was found by Cheapflights users on 3/25. 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.
Fri 9/199:40 amDCA - SIN
2 stops33h 25mAir Canada
Tue 10/219:10 amSIN - DCA
2 stops25h 24mAir Canada
Deal found 3/25$966
This United deal was found by Cheapflights users on 3/24. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/187:00 amDCA - SIN
1 stop23h 25mUnited Airlines
Mon 9/298:45 amSIN - DCA
1 stop24h 28mUnited Airlines
Deal found 3/24$1,193
This American Airlines deal was found by Cheapflights users on 3/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/189:41 amDCA - SIN
2 stops26h 39mAmerican Airlines
Sun 9/281:55 amSIN - DCA
2 stops26h 04mAmerican Airlines
Deal found 3/24$1,216
This Mytrip deal was found by Cheapflights users on 3/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/16:00 amDCA - SIN
3 stops27h 45mMultiple Airlines
Wed 5/73:45 amSIN - DCA
2 stops30h 43mMultiple Airlines
Deal found 3/25$1,221
This StudentUniverse deal was found by Cheapflights users on 3/24. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/226:35 amDCA - SIN
2 stops24h 30mCathay Pacific
Mon 4/281:50 amSIN - DCA
2 stops35h 05mCathay Pacific
Deal found 3/24$1,232
This KAYAK deal was found by Cheapflights users on 3/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/218:30 amDCA - SIN
2 stops28h 15mANA
Tue 4/2910:10 pmSIN - DCA
2 stops29h 31mANA
Deal found 3/24$1,249
This Gurufare deal was found by Cheapflights users on 3/24. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/216:35 amDCA - SIN
2 stops35h 35mJapan Airlines
Wed 4/308:05 amSIN - DCA
2 stops26h 21mJapan Airlines
Deal found 3/24$1,287
This oojo deal was found by Cheapflights users on 3/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/213:45 pmDCA - SIN
2 stops29h 15mQatar Airways
Wed 4/3010:30 amSIN - DCA
2 stops41h 54mQatar Airways
Deal found 3/25$1,315
This Delta deal was found by Cheapflights users on 3/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/207:40 amDCA - SIN
2 stops28h 00mDelta
Wed 10/227:30 amSIN - DCA
2 stops24h 52mDelta
Deal found 3/25$1,356
This Gurufare deal was found by Cheapflights users on 3/25. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/308:59 amDCA - SIN
1 stop32h 16mSingapore Airlines
Fri 5/98:45 pmSIN - DCA
1 stop36h 13mSingapore Airlines
Deal found 3/25$1,501
This Finnair deal was found by Cheapflights users on 3/25. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/217:19 pmDCA - SIN
2 stops35h 06mFinnair
Mon 7/289:35 pmSIN - DCA
2 stops37h 36mFinnair
Deal found 3/25$1,609

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 March 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 9/19

9:40 am-7:05 am

2 stops33h 25m

Singapore Changi

Tue 10/21

9:10 am-10:34 pm

2 stops25h 24m

$966

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Thu 9/18

7:00 am-6:25 pm

1 stop23h 25m

Singapore Changi

Mon 9/29

8:45 am-9:13 pm

1 stop24h 28m

$1,193

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Thu 9/18

9:41 am-12:20 am

2 stops26h 39m

Singapore Changi

Sun 9/28

1:55 am-3:59 pm

2 stops26h 04m

$1,216

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Thu 5/1

6:00 am-9:45 pm

3 stops27h 45m

Singapore Changi

Wed 5/7

3:45 am-10:28 pm

2 stops30h 43m

$1,221

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 4/22

6:35 am-7:05 pm

2 stops24h 30m

Singapore Changi

Mon 4/28

1:50 am-12:55 am

2 stops35h 05m

$1,232

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Mon 4/21

8:30 am-12:45 am

2 stops28h 15m

Singapore Changi

Tue 4/29

10:10 pm-3:41 pm

2 stops29h 31m

$1,249

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Mon 4/21

6:35 am-6:10 am

2 stops35h 35m

Singapore Changi

Wed 4/30

8:05 am-10:26 pm

2 stops26h 21m

$1,287

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Mon 4/21

3:45 pm-9:00 am

2 stops29h 15m

Singapore Changi

Wed 4/30

10:30 am-4:24 pm

2 stops41h 54m

$1,315

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sat 9/20

7:40 am-11:40 pm

2 stops28h 00m

Singapore Changi

Wed 10/22

7:30 am-8:22 pm

2 stops24h 52m

$1,356

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 4/30

8:59 am-5:15 am

1 stop32h 16m

Singapore Changi

Fri 5/9

8:45 pm-8:58 pm

1 stop36h 13m

$1,501

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 18 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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
oojoPrice Accuracy3 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 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 month to book a flight from Washington, D.C. Reagan-National Airport to Singapore?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Singapore (average of $1,011). Flying from Washington, D.C. Reagan-National Airport to Singapore in December is currently the most expensive (average of $1,684). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 March 26, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 26% on flights from Washington, D.C. Reagan-National Airport to Singapore by exploring options for tickets in the afternoon.

Rainfall in Singapore by month

Plan your trip to Singapore by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Singapore ranges from 5.9 - 10.6 inches per month. December is typically the wettest month, when rainfall can reach 10.6 in. July is typically the driest time to visit Singapore when rainfall is around 5.9 in.

Temperature in Singapore by month

Plan your trip to Singapore by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Singapore, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 78.8 F).

Reviews of airlines servicing Singapore

Get insights into the airlines that provide service to Singapore. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Singapore. Reviews last updated March 26, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Singapore, such as Japan Airlines, ANA and Singapore Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority
8.3
Very good

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority
8.0
Very good

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority

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.

  • What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Singapore round-trip?

    Our cheapest airline available from Washington, D.C. Reagan-National Airport to Singapore is Air Canada. Our recent data shows that you can find tickets from as low as $966 on this airline. Additional options worth looking into are United Airlines and American Airlines, starting at $1,193 and $1,215 round-trip. Air Canada is currently priced 29% below the average price you’ll pay for this route.

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

    $633 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 United Airlines, with prices starting from $646 and $679, 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.

  • What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Singapore?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Singapore (average of $1,011). Flying from Washington, D.C. Reagan-National Airport to Singapore in December is currently the most expensive (average of $1,684). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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