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$620+ 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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SIN
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$979
(Air Canada)

One-way from

$620
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$1,139
Provider with most accurate pricing for Washington, D.C. (WAS)-Singapore Changi flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Singapore Changi flights.
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From Washington, D.C. Reagan-National to Singapore
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One-way flight from Washington, D.C. Reagan-National to Singapore
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Highest demand for flights based on searches. 2% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($48 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 25, 2025.

This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/211:00 amDCA - SIN
2 stops31h 55mAir Canada
Sat 12/610:00 amSIN - DCA
2 stops24h 00mAir Canada
Deal found 3/24$960
This United Airlines deal was found by Cheapflights users on 3/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/75:59 pmDCA - SIN
1 stop24h 46mUnited Airlines
Wed 5/149:00 amSIN - DCA
1 stop24h 34mUnited Airlines
Deal found 3/23$1,179
This Gurufare deal was found by Cheapflights users on 3/23. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/17:59 amDCA - SIN
2 stops28h 21mJapan Airlines
Mon 4/71:55 amSIN - DCA
2 stops26h 01mJapan Airlines
Deal found 3/23$1,203
This American Airlines deal was found by Cheapflights users on 3/23. 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 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 3/23$1,216
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 3/256:00 amDCA - SIN
2 stops35h 40mCathay Pacific
Tue 4/18:05 pmSIN - DCA
2 stops38h 10mCathay Pacific
Deal found 3/24$1,232
This KAYAK deal was found by Cheapflights users on 3/23. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/318:30 amDCA - SIN
2 stops28h 15mANA
Tue 4/810:10 pmSIN - DCA
2 stops28h 01mANA
Deal found 3/23$1,249
This China Airlines deal was found by Cheapflights users on 3/23. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/15:06 pmDCA - SIN
2 stops31h 29mMultiple Airlines
Tue 9/92:00 amSIN - DCA
2 stops54h 59mMultiple Airlines
Deal found 3/23$1,275
This oojo deal was found by Cheapflights users on 3/23. 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.
Mon 4/145:09 pmDCA - SIN
2 stops27h 51mQatar Airways
Mon 5/56:45 pmSIN - DCA
2 stops37h 15mQatar Airways
Deal found 3/23$1,284
This Delta deal was found by Cheapflights users on 3/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1310:00 amDCA - SIN
2 stops31h 00mDelta
Sat 9/201:10 amSIN - DCA
2 stops27h 19mDelta
Deal found 3/23$1,306
This StudentUniverse deal was found by Cheapflights users on 3/23. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/169:00 amDCA - SIN
1 stop27h 55mSingapore Airlines
Tue 9/308:45 pmSIN - DCA
1 stop36h 14mSingapore Airlines
Deal found 3/23$1,379
This Finnair deal was found by Cheapflights users on 3/23. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/247:00 pmDCA - SIN
2 stops35h 25mFinnair
Mon 7/289:35 pmSIN - DCA
2 stops37h 32mFinnair
Deal found 3/23$1,509

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 25, 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

Sat 5/3

4:35 pm-7:05 am

2 stops50h 30m

Singapore Changi

Sat 5/17

9:10 am-8:53 am

2 stops35h 43m

$967

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 5/7

5:59 pm-6:45 am

1 stop24h 46m

Singapore Changi

Wed 5/14

9:00 am-9:34 pm

1 stop24h 34m

$1,179

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 4/1

7:59 am-12:20 am

2 stops28h 21m

Singapore Changi

Mon 4/7

1:55 am-3:56 pm

2 stops26h 01m

$1,203

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 4/22

11:54 am-5:30 am

2 stops29h 36m

Singapore Changi

Mon 4/28

8:05 pm-10:15 pm

2 stops38h 10m

$1,232

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Mon 3/31

8:30 am-12:45 am

2 stops28h 15m

Singapore Changi

Tue 4/8

10:10 pm-2:11 pm

2 stops28h 01m

$1,249

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Mon 4/14

5:09 pm-9:00 am

2 stops27h 51m

Singapore Changi

Mon 5/5

6:45 pm-8:00 pm

2 stops37h 15m

$1,284

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Thu 5/8

6:59 am-9:45 pm

2 stops26h 46m

Singapore Changi

Wed 5/14

3:45 am-10:28 pm

2 stops30h 43m

$1,299

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 4/23

8:59 am-5:15 am

1 stop32h 16m

Singapore Changi

Mon 5/5

8:45 pm-8:58 pm

1 stop36h 13m

$1,432

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sun 6/8

7:00 pm-6:25 pm

2 stops35h 25m

Singapore Changi

Tue 7/1

9:35 pm-11:07 pm

2 stops37h 32m

$1,625

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Fri 5/16

7:59 am-5:00 am

2 stops33h 01m

Singapore Changi

Sun 5/25

1:10 am-10:01 pm

2 stops32h 51m

$1,731

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 20 results
1
2

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 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 March 25, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to Singapore as you normally would.

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 25, 2025.
Japan Airlines
8.3
Very good
1,440 reviews

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Overall

8.3

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
Japan Airlines
8.3
Very good
1,440 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Overall

8.3

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
ANA
8.3
Very good
825 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Overall

8.3

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
Singapore Airlines
8.1
Very good
1,284 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Overall

8.3

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
Delta
8.0
Very good
7,890 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Overall

8.3

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
Finnair
7.6
Good
1,266 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Overall

8.3

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 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.

See more FAQs

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Alternative routes for Reagan-National to Singapore

See prices for flight routes from nearby airports that may be better suited for you.
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