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 $1,036 on this airline. Additional options worth looking into are Cathay Pacific and United Airlines, starting at $1,040 and $1,193 round-trip. Air Canada is currently priced 22% 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?

$549 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on Cathay Pacific and Lufthansa, with prices starting from $567 and $730, respectively.

What is the cheapest day to fly from Washington, D.C. Reagan-National Airport to Singapore?

Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to Singapore flight should consider departing on Monday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Washington, D.C. Reagan-National Airport to Singapore?

Users have found that leaving on a Sunday can be a cost-effective option. It’s possible to save up to 27% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from Washington, D.C. Reagan-National Airport to Singapore?

Travelers have found it’s best to book a flight 61 days in advance to save up to 6% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 61 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Washington, D.C. Reagan-National Airport to Singapore 1-2 weeks in advance for as low as $957, or $957 for flights within the next 24 hours.

What is the cheapest month to fly from Washington, D.C. Reagan-National Airport to Singapore?

November can be a great time to fly to Singapore from Washington, D.C. Reagan-National Airport with a flight ticket averaging about $1,283. Cheapflights users have found deals in the month of November for as cheap as $816. The most expensive prices can be found in the month of December.

Most accurate provider : When it comes to deals on Washington, D.C. Reagan-National Airport-Singapore flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C. Reagan-National Airport-Singapore flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 1 airline has 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.

$536+ Flights from Washington, D.C. Reagan-National Airport to Singapore

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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

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Cheap flight deals from Reagan-National to Singapore

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$1,036 (Gotogate)
One-way from	$536 (Kiwi.com)
Popular in	December
Cheapest in	January
Average price	$1,091

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. 13% potential increase in price ($199 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($80 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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 April 15, 2025.

Tue 5/611:00 amDCA - SIN

2 stops32h 05mAir Canada

Tue 5/136:15 amSIN - DCA

2 stops27h 38mAir Canada

Deal found 4/14

$1,036

Wed 5/711:55 amDCA - SIN

2 stops29h 35mCathay Pacific

Sun 5/184:05 pmSIN - DCA

2 stops39h 02mCathay Pacific

Deal found 4/14

$1,040

Mon 9/15:06 pmDCA - SIN

2 stops31h 29mMultiple Airlines

Tue 9/92:00 amSIN - DCA

2 stops54h 59mMultiple Airlines

Deal found 4/14

$1,149

Tue 5/65:59 pmDCA - SIN

1 stop24h 46mUnited Airlines

Tue 5/139:00 amSIN - DCA

1 stop24h 34mUnited Airlines

Deal found 4/15

$1,193

Thu 9/189:00 amDCA - SIN

2 stops27h 20mAmerican Airlines

Sun 9/281:55 amSIN - DCA

2 stops26h 04mAmerican Airlines

Deal found 4/14

$1,217

Sun 9/1410:09 pmDCA - SIN

2 stops31h 21mJapan Airlines

Mon 9/221:55 amSIN - DCA

2 stops23h 58mJapan Airlines

Deal found 4/14

$1,329

Sat 8/27:01 pmDCA - SIN

2 stops35h 24mFinnair

Sun 8/179:35 pmSIN - DCA

2 stops37h 26mFinnair

Deal found 4/14

$1,380

Fri 5/167:59 amDCA - SIN

2 stops27h 41mDelta

Mon 5/267:30 amSIN - DCA

2 stops27h 56mDelta

Deal found 4/15

$1,407

Thu 12/116:05 amDCA - SIN

2 stops29h 05mKorean Air

Sat 12/2010:30 pmSIN - DCA

2 stops27h 52mKorean Air

Deal found 4/14

$1,512

Wed 4/308:59 amDCA - SIN

1 stop32h 16mSingapore Airlines

Fri 5/98:45 pmSIN - DCA

1 stop36h 13mSingapore Airlines

Deal found 4/14

$1,528

Sat 8/23:00 pmDCA - SIN

2 stops30h 00mQatar Airways

Mon 8/113:10 amSIN - DCA

2 stops31h 51mQatar Airways

Deal found 4/15

$1,626

Fri 7/258:30 amDCA - SIN

2 stops34h 10mANA

Mon 8/116:15 amSIN - DCA

2 stops26h 47mANA

Deal found 4/14

$1,754

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 April 15, 2025.

Tue 5/611:00 amDCA - SIN

2 stops32h 05mAir Canada

Tue 5/136:15 amSIN - DCA

2 stops27h 38mAir Canada

Deal found 4/14

$1,036

Wed 5/711:55 amDCA - SIN

2 stops29h 35mCathay Pacific

Sun 5/184:05 pmSIN - DCA

2 stops39h 02mCathay Pacific

Deal found 4/14

$1,040

Tue 5/65:59 pmDCA - SIN

1 stop24h 46mUnited Airlines

Tue 5/139:00 amSIN - DCA

1 stop24h 34mUnited Airlines

Deal found 4/14

$1,193

Sun 4/205:38 pmDCA - SIN

2 stops30h 57mMultiple Airlines

Thu 4/242:00 amSIN - DCA

2 stops54h 58mMultiple Airlines

Deal found 4/14

$1,389

Fri 5/166:59 amDCA - SIN

2 stops28h 41mDelta

Sun 5/251:10 amSIN - DCA

2 stops28h 57mDelta

Deal found 4/14

$1,507

Wed 4/308:59 amDCA - SIN

1 stop32h 16mSingapore Airlines

Fri 5/98:45 pmSIN - DCA

1 stop36h 13mSingapore Airlines

Deal found 4/14

$1,528

Tue 7/16:59 pmDCA - SIN

2 stops35h 26mFinnair

Tue 8/59:35 pmSIN - DCA

2 stops37h 26mFinnair

Deal found 4/13

$1,561

Tue 6/176:30 amDCA - SIN

2 stops26h 30mQatar Airways

Sun 7/63:10 amSIN - DCA

2 stops31h 49mQatar Airways

Deal found 4/14

$1,631

Sat 5/318:00 amDCA - SIN

2 stops52h 35mChina Airlines

Thu 6/192:00 amSIN - DCA

2 stops55h 42mChina Airlines

Deal found 4/15

$1,765

Thu 5/88:15 amDCA - SIN

2 stops27h 05mPhilippine Airlines

Sat 5/1712:20 amSIN - DCA

2 stops32h 32mPhilippine Airlines

Deal found 4/14

$2,583

Sat 7/59:59 amDCA - SIN

2 stops39h 51mEVA Air

Fri 7/181:10 pmSIN - DCA

2 stops40h 48mEVA Air

Deal found 4/15

$6,047

Thu 5/299:45 amDCA - SIN

2 stops26h 35mAmerican Airlines

Wed 6/41:55 amSIN - DCA

2 stops24h 35mAmerican Airlines

Deal found 4/14

$6,318

Last-minute flights from Reagan-National to Singapore
Discover last-minute flight deals from Reagan-National to Singapore. Data last updated April 15, 2025 and is based on user searches.

Tue 4/1511:54 amDCA - SIN

2 stops29h 36mMultiple Airlines

Tue 4/228:05 pmSIN - DCA

2 stops36h 53mMultiple Airlines

Deal found 4/14

$1,265

Sun 4/202:46 pmDCA - SIN

2 stops27h 59mUnited Airlines

Fri 4/256:15 amSIN - DCA

2 stops27h 15mUnited Airlines

Deal found 4/14

$1,306

Sun 4/205:38 pmDCA - SIN

2 stops30h 57mMultiple Airlines

Thu 4/242:00 amSIN - DCA

2 stops54h 58mMultiple Airlines

Deal found 4/14

$1,389

Sun 4/208:59 amDCA - SIN

1 stop32h 16mSingapore Airlines

Fri 4/258:45 pmSIN - DCA

1 stop36h 13mSingapore Airlines

Deal found 4/14

$4,341

Sun 4/206:35 amDCA - SIN

2 stops26h 25mQatar Airways

Fri 4/253:10 amSIN - DCA

2 stops27h 54mQatar Airways

Deal found 4/14

$16,040

Mon 4/214:10 pmDCA - SIN

2 stops50h 55mAir Canada

Sun 4/279:10 amSIN - DCA

2 stops37h 09mAir Canada

Deal found 4/15

$6,364

Wed 4/308:59 amDCA - SIN

1 stop32h 16mSingapore Airlines

Fri 5/98:45 pmSIN - DCA

1 stop36h 13mSingapore Airlines

Deal found 4/14

$1,528

Tue 5/611:00 amDCA - SIN

2 stops32h 05mAir Canada

Tue 5/136:15 amSIN - DCA

2 stops27h 38mAir Canada

Deal found 4/14

$1,036

Tue 5/65:59 pmDCA - SIN

1 stop24h 46mUnited Airlines

Tue 5/139:00 amSIN - DCA

1 stop24h 34mUnited Airlines

Deal found 4/15

$1,193

Wed 5/711:55 amDCA - SIN

2 stops29h 35mCathay Pacific

Sun 5/184:05 pmSIN - DCA

2 stops39h 02mCathay Pacific

Deal found 4/14

$1,040

Thu 5/88:15 amDCA - SIN

2 stops27h 05mPhilippine Airlines

Sat 5/1712:20 amSIN - DCA

2 stops32h 32mPhilippine Airlines

Deal found 4/14

$2,583

Thu 5/85:49 pmDCA - SIN

2 stops34h 16mBritish Airways

Sat 5/2410:40 pmSIN - DCA

2 stops29h 15mBritish Airways

Deal found 4/14

$11,168

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 April 15, 2025.

Tue 4/296:00 pmDCA - SIN

2 stops37h 10mMultiple Airlines

Deal found 4/15

$536

Mon 7/149:40 amDCA - SIN

2 stops57h 25mAir Canada

Deal found 4/14

$549

Sun 4/2011:54 amDCA - SIN

2 stops29h 36mCathay Pacific

Deal found 4/14

$567

Tue 4/295:59 pmDCA - SIN

1 stop24h 46mLufthansa

Deal found 4/15

$730

Sat 5/35:59 pmDCA - SIN

1 stop24h 46mUnited Airlines

Deal found 4/15

$744

Sun 4/208:59 amDCA - SIN

1 stop32h 16mSingapore Airlines

Deal found 4/14

$782

Wed 5/286:35 amDCA - SIN

2 stops35h 35mJapan Airlines

Deal found 4/15

$892

Sun 6/15:49 pmDCA - SIN

2 stops35h 41mAmerican Airlines

Deal found 4/15

$964

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

Tue 5/6

11:00 am-7:05 am

2 stops32h 05m

Singapore Changi

Tue 5/13

6:15 am-9:53 pm

2 stops27h 38m

$1,036

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 5/7

11:55 am-5:30 am

2 stops29h 35m

Singapore Changi

Sun 5/18

4:05 pm-7:07 pm

2 stops39h 02m

$1,040

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 5/6

5:59 pm-6:45 am

1 stop24h 46m

Singapore Changi

Tue 5/13

9:00 am-9:34 pm

1 stop24h 34m

$1,193

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sun 4/20

5:38 pm-12:35 pm

2 stops30h 57m

Singapore Changi

Thu 4/24

2:00 am-8:58 pm

2 stops54h 58m

$1,389

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Fri 5/16

7:59 am-11:40 pm

2 stops27h 41m

Singapore Changi

Mon 5/26

7:30 am-11:26 pm

2 stops27h 56m

$1,407

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

$1,528

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 7/1

6:59 pm-6:25 pm

2 stops35h 26m

Singapore Changi

Tue 8/5

9:35 pm-11:01 pm

2 stops37h 26m

$1,561

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 6/17

6:30 am-9:00 pm

2 stops26h 30m

Singapore Changi

Sun 7/6

3:10 am-10:59 pm

2 stops31h 49m

$1,631

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sat 5/31

8:00 am-12:35 am

2 stops52h 35m

Singapore Changi

Thu 6/19

2:00 am-9:42 pm

2 stops55h 42m

$1,765

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Thu 5/8

8:15 am-11:20 pm

2 stops27h 05m

Singapore Changi

Sat 5/17

12:20 am-8:52 pm

2 stops32h 32m

$2,583

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 19 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 April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
oojo	Price Accuracy3 stars	Trust Score*3 stars
Flightnetwork	Price Accuracy-	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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C. Reagan-National Airport-Singapore flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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?

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

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

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

Read through reviews of airlines operating flights from Washington, D.C. to Singapore, such as EVA Air, Japan Airlines and ANA. 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.

EVA Air

8.4

Very good

1,176 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

EVA Air

8.4

Very good

1,176 reviews

EVA Air

8.4

Very good

1,176 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Japan Airlines

8.3

Very good

1,440 reviews

EVA Air

8.4

Very good

1,176 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

ANA

8.3

Very good

841 reviews

EVA Air

8.4

Very good

1,176 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

China Airlines

8.2

Very good

729 reviews

EVA Air

8.4

Very good

1,176 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Singapore Airlines

8.1

Very good

1,288 reviews

EVA Air

8.4

Very good

1,176 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

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 1 airline has 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 $1,036 on this airline. Additional options worth looking into are Cathay Pacific and United Airlines, starting at $1,040 and $1,193 round-trip. Air Canada is currently priced 22% 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?
$549 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on Cathay Pacific and Lufthansa, with prices starting from $567 and $730, 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

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Reagan-National to Singapore

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$1,040	Average$1,200	FlexibilityNo cancel fee	On-time69%

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$536+ 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 4/29. 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

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 April 15, 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 April 15, 2025.

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 April.

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.

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?

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 April 15, 2025.

Rainfall in Singapore by month

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

Temperature in Singapore by month

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

Reviews of airlines servicing Singapore

Read through reviews of airlines operating flights from Washington, D.C. to Singapore, such as EVA Air, Japan Airlines and ANA. 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.

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?

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

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

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?

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

Browse thousands of different options on Cheapflights for your next trip

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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.

Top airline flying 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 April 15, 2025.