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 10m. United Airlines provides one of the quickest options available for as low as $1,175. There are 9651 mi between Washington, D.C. Reagan-National Airport and Singapore.

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.

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).

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

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.

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.

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.

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.

$465+ Flights from Washington, D.C. Reagan-National Airport to Singapore

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Cheap 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 December 28, 2025.

Sat 12/275:59 pmDCA - SIN

1 stop37h 16mUnited Airlines

Fri 1/210:20 pmSIN - DCA

2 stops29h 39mUnited Airlines

Deal found 12/26

$2,026

Sat 12/276:57 pmDCA - SIN

2 stops52h 08mEVA Air

Sun 1/113:45 pmSIN - DCA

2 stops41h 15mEVA Air

Deal found 12/26

$2,222

Sat 12/275:59 pmDCA - SIN

1 stop37h 16mUnited Airlines

Sat 1/310:20 pmSIN - DCA

2 stops24h 39mUnited Airlines

Deal found 12/26

$2,339

Tue 12/305:00 pmDCA - SIN

2 stops39h 45mMultiple Airlines

Sun 1/48:00 pmSIN - DCA

2 stops33h 29mMultiple Airlines

Deal found 12/26

$2,641

Sat 12/276:00 pmDCA - SIN

2 stops48h 00mMultiple Airlines

Sun 1/118:00 pmSIN - DCA

2 stops33h 29mMultiple Airlines

Deal found 12/27

$2,660

Sat 12/271:07 pmDCA - SIN

2 stops34h 58mCathay Pacific

Thu 1/11:25 amSIN - DCA

2 stops30h 15mCathay Pacific

Deal found 12/26

$2,905

Fri 12/266:35 pmDCA - SIN

2 stops28h 20mMultiple Airlines

Wed 12/316:00 pmSIN - DCA

2 stops37h 40mMultiple Airlines

Deal found 12/26

$2,907

Sat 12/278:00 amDCA - SIN

1 stop44h 45mSingapore Airlines

Sun 1/119:00 amSIN - DCA

1 stop25h 59mSingapore Airlines

Deal found 12/26

$3,028

Sat 12/276:35 pmDCA - SIN

2 stops32h 10mCathay Pacific

Fri 1/21:25 amSIN - DCA

2 stops30h 32mCathay Pacific

Deal found 12/26

$3,039

Fri 12/265:00 pmDCA - SIN

2 stops38h 15mUnited Airlines

Wed 12/3110:10 amSIN - DCA

1 stop24h 33mUnited Airlines

Deal found 12/26

$3,075

Best flights from Reagan-National to Singapore
Discover carefully curated flight deals from Reagan-National to Singapore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

Sat 2/285:50 pmDCA - SIN

1 stop25h 10mUnited Airlines

Thu 4/29:00 amSIN - DCA

1 stop25h 28mUnited Airlines

Deal found 12/25

$1,175

Sun 1/259:35 amDCA - SIN

2 stops31h 05mCathay Pacific

Thu 1/291:25 amSIN - DCA

2 stops30h 19mCathay Pacific

Deal found 12/26

$1,185

Wed 3/46:00 amDCA - SIN

2 stops29h 10mDelta

Sat 3/2810:40 amSIN - DCA

2 stops24h 59mDelta

Deal found 12/25

$1,189

Sat 2/285:00 pmDCA - SIN

2 stops47h 00mKorean Air

Mon 3/3010:30 pmSIN - DCA

2 stops29h 52mKorean Air

Deal found 12/25

$1,194

Sun 3/12:45 pmDCA - SIN

2 stops28h 15mUnited Airlines

Wed 3/2510:10 amSIN - DCA

1 stop23h 35mUnited Airlines

Deal found 12/26

$1,175

Thu 3/56:05 amDCA - SIN

2 stops29h 05mDelta

Sat 3/2810:30 pmSIN - DCA

2 stops35h 11mDelta

Deal found 12/25

$1,189

Sun 1/255:59 pmDCA - SIN

1 stop25h 01mUnited Airlines

Thu 1/2910:20 pmSIN - DCA

2 stops26h 09mUnited Airlines

Deal found 12/26

$1,175

Sun 1/255:59 pmDCA - SIN

1 stop25h 01mUnited Airlines

Tue 1/2710:20 pmSIN - DCA

2 stops26h 10mUnited Airlines

Deal found 12/26

$1,175

Sun 3/15:50 pmDCA - SIN

1 stop25h 10mUnited Airlines

Mon 3/309:00 amSIN - DCA

1 stop25h 28mUnited Airlines

Deal found 12/25

$1,175

Sat 2/285:50 pmDCA - SIN

1 stop25h 10mUnited Airlines

Wed 4/19:00 amSIN - DCA

1 stop25h 28mUnited Airlines

Deal found 12/25

$1,175

Sat 2/285:50 pmDCA - SIN

1 stop25h 10mUnited Airlines

Mon 3/309:00 amSIN - DCA

1 stop25h 28mUnited Airlines

Deal found 12/25

$1,175

Last-minute flights from Reagan-National to Singapore
Discover last-minute flight deals from Reagan-National to Singapore. Data last updated December 28, 2025 and is based on user searches.

Fri 1/96:10 amDCA - SIN

2 stops35h 25mJapan Airlines

Mon 2/168:15 amSIN - DCA

2 stops23h 44mJapan Airlines

Deal found 12/27

$1,220

Sun 1/116:56 pmDCA - SIN

2 stops54h 34mEVA Air

Mon 1/261:15 pmSIN - DCA

2 stops41h 41mEVA Air

Deal found 12/25

$1,257

Mon 1/129:59 amDCA - SIN

2 stops37h 06mEVA Air

Tue 1/273:45 pmSIN - DCA

2 stops39h 11mEVA Air

Deal found 12/26

$1,259

Fri 1/167:00 amDCA - SIN

2 stops28h 55mUnited Airlines

Sat 1/2410:10 amSIN - DCA

1 stop24h 42mUnited Airlines

Deal found 12/27

$1,237

Mon 1/196:00 amDCA - SIN

3 stops29h 55mAir Canada

Mon 2/26:35 amSIN - DCA

2 stops29h 00mAir Canada

Deal found 12/26

$1,197

Tue 1/208:47 amDCA - SIN

2 stops27h 03mJapan Airlines

Sat 1/318:15 amSIN - DCA

2 stops25h 29mJapan Airlines

Deal found 12/26

$1,193

Sat 1/249:45 amDCA - SIN

2 stops41h 00mCathay Pacific

Thu 1/291:25 amSIN - DCA

2 stops30h 19mCathay Pacific

Deal found 12/26

$1,185

Sat 1/248:15 amDCA - SIN

2 stops34h 45mUnited Airlines

Sat 1/3110:45 amSIN - DCA

1 stop24h 07mUnited Airlines

Deal found 12/25

$1,229

Sat 1/246:10 amDCA - SIN

2 stops24h 05mCathay Pacific

Tue 1/277:40 amSIN - DCA

2 stops24h 04mCathay Pacific

Deal found 12/26

$1,284

Sun 1/255:59 pmDCA - SIN

1 stop25h 01mUnited Airlines

Thu 1/2910:00 amSIN - DCA

1 stop24h 52mUnited Airlines

Deal found 12/26

$1,175

Mon 1/269:40 amDCA - SIN

2 stops26h 15mAir Canada

Sat 1/318:50 amSIN - DCA

2 stops23h 55mAir Canada

Deal found 12/26

$1,170

Tue 1/277:45 pmDCA - SIN

2 stops31h 00mCathay Pacific

Wed 2/118:15 pmSIN - DCA

2 stops35h 44mCathay Pacific

Deal found 12/26

$1,188

One-way flights from Reagan-National to Singapore
Search for one-way flight options from Reagan-National to Singapore. Find affordable one-way fares based on user searches. Data last updated December 28, 2025.

Sat 1/316:00 pmDCA - SIN

3 stops58h 35mMultiple Airlines

Deal found 12/27

$465

Mon 3/236:00 amDCA - SIN

2 stops27h 45mMultiple Airlines

Deal found 12/26

$490

Tue 1/277:45 pmDCA - SIN

2 stops27h 10mCathay Pacific

Deal found 12/26

$492

Tue 2/106:00 amDCA - SIN

2 stops36h 00mAir Canada

Deal found 12/28

$505

Mon 1/268:55 pmDCA - SIN

2 stops26h 00mCathay Pacific

Deal found 12/25

$506

Fri 1/306:00 amDCA - SIN

2 stops36h 00mAir Canada

Deal found 12/27

$541

Sat 5/236:55 pmDCA - SIN

2 stops46h 20mAir Canada

Deal found 12/26

$544

Sat 1/2412:20 pmDCA - SIN

2 stops38h 25mCathay Pacific

Deal found 12/27

$552

Tue 1/138:00 amDCA - SIN

2 stops27h 50mJapan Airlines

Deal found 12/27

$618

Wed 3/118:00 amDCA - SIN

2 stops28h 50mJapan Airlines

Deal found 12/25

$631

Find flight deals from Reagan-National to Singapore

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$1,170 (Air Canada)
One-way from	$465 (Kiwi.com)
Popular in	December
Cheapest in	August
Average price	$2,039

Provider with most accurate pricing for Washington, D.C. Reagan-National-Singapore Changi flight deals.

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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 ($256 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 December 2025

Search Deals

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sat 2/28

5:50 pm-8:00 am

1 stop25h 10m

Singapore Changi

Thu 4/2

9:00 am-10:28 pm

1 stop25h 28m

$1,175

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sun 3/1

2:45 pm-8:00 am

2 stops28h 15m

Singapore Changi

Wed 3/25

10:10 am-9:45 pm

1 stop23h 35m

$1,175

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sun 1/25

5:59 pm-8:00 am

1 stop25h 01m

Singapore Changi

Thu 1/29

10:20 pm-11:29 am

2 stops26h 09m

$1,175

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sun 1/25

5:59 pm-8:00 am

1 stop25h 01m

Singapore Changi

Tue 1/27

10:20 pm-11:30 am

2 stops26h 10m

$1,175

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sun 3/1

5:50 pm-8:00 am

1 stop25h 10m

Singapore Changi

Mon 3/30

9:00 am-10:28 pm

1 stop25h 28m

$1,175

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sat 2/28

5:50 pm-8:00 am

1 stop25h 10m

Singapore Changi

Wed 4/1

9:00 am-10:28 pm

1 stop25h 28m

$1,175

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sat 2/28

5:50 pm-8:00 am

1 stop25h 10m

Singapore Changi

Mon 3/30

9:00 am-10:28 pm

1 stop25h 28m

$1,175

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sun 1/25

9:35 am-5:40 am

2 stops31h 05m

Singapore Changi

Thu 1/29

1:25 am-6:44 pm

2 stops30h 19m

$1,185

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 3/4

6:00 am-12:10 am

2 stops29h 10m

Singapore Changi

Sat 3/28

10:40 am-11:39 pm

2 stops24h 59m

$1,189

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Thu 3/5

6:05 am-12:10 am

2 stops29h 05m

Singapore Changi

Sat 3/28

10:30 pm-9:41 pm

2 stops35h 11m

$1,189

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/27

Showing 1-10 of 21 results

Compare providers for flights from Reagan-National to Singapore

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 December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Ovago	Price Accuracy2 stars	Trust Score*2 stars
AranGrant	Price Accuracy2 stars	Trust 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 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.

Related info for your journey

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 10m. United Airlines provides one of the quickest options available for as low as $1,175. 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.

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$465+ 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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Reagan-National to Singapore with Cheapflights

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Cheap flight deals from Reagan-National to Singapore

Cheapest flights from Reagan-National to SingaporeExplore 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 December 28, 2025.

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 December 28, 2025.

Find flight deals from Reagan-National to Singapore

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Singapore that are best for you.

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 December.

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.

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?

How long is the flight from Washington, D.C. Reagan-National Airport to Singapore?

Can I find deals for flights from Reagan-National to Singapore that include hotel bookings?

How can I find direct flights from Reagan-National to Singapore?

Can I find deals for business class flights from Reagan-National to Singapore?

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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 December 28, 2025.