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 Cathay Pacific. Our recent data shows that you can find tickets from as low as $1,053 on this airline. Additional options worth looking into are Air Canada and United Airlines, starting at $1,088 and $1,205 round-trip. Cathay Pacific is currently priced 21% 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?

$524 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 Korean Air, with prices starting from $575 and $602, 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 $1,282. 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 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.

$524+ Flights from Washington, D.C. Reagan-National Airport to Singapore - Compare & Save Big

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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”

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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	$1,053 (oojo)
One-way from	$524 (oojo)
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.

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Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Singapore Changi flights.

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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 avril 28, 2025.

jeu. 11/206:00 amDCA - SIN

2 stops36h 55mAir Canada

dim. 11/3010:00 amSIN - DCA

2 stops37h 19mAir Canada

Deal found 4/28

$1,031

mer. 5/711:55 amDCA - SIN

2 stops29h 35mCathay Pacific

mar. 5/201:50 amSIN - DCA

2 stops32h 25mCathay Pacific

Deal found 4/27

$1,053

lun. 9/15:06 pmDCA - SIN

2 stops31h 29mMultiple Airlines

mar. 9/92:00 amSIN - DCA

2 stops54h 59mMultiple Airlines

Deal found 4/27

$1,151

lun. 9/15:59 pmDCA - SIN

1 stop24h 16mUnited Airlines

mer. 9/108:45 amSIN - DCA

1 stop24h 52mUnited Airlines

Deal found 4/28

$1,194

mer. 8/133:30 pmDCA - SIN

2 stops27h 10mANA

mar. 8/196:15 amSIN - DCA

2 stops26h 48mANA

Deal found 4/27

$1,249

dim. 5/46:35 pmDCA - SIN

2 stops29h 25mEVA Air

jeu. 5/83:10 pmSIN - DCA

2 stops38h 22mEVA Air

Deal found 4/27

$1,319

mer. 6/116:10 amDCA - SIN

2 stops29h 30mDelta

mar. 6/171:10 amSIN - DCA

2 stops34h 12mDelta

Deal found 4/28

$1,350

lun. 6/94:56 pmDCA - SIN

2 stops42h 44mKorean Air

lun. 6/1610:30 pmSIN - DCA

2 stops28h 27mKorean Air

Deal found 4/28

$1,463

lun. 10/69:30 amDCA - SIN

1 stop34h 20mSingapore Airlines

lun. 10/278:45 pmSIN - DCA

1 stop36h 10mSingapore Airlines

Deal found 4/27

$1,464

sam. 8/27:01 pmDCA - SIN

2 stops35h 24mFinnair

dim. 8/179:35 pmSIN - DCA

2 stops37h 26mFinnair

Deal found 4/27

$1,561

lun. 6/96:00 amDCA - SIN

2 stops36h 10mJapan Airlines

sam. 6/219:50 pmSIN - DCA

2 stops46h 00mJapan Airlines

Deal found 4/28

$1,579

jeu. 5/226:09 amDCA - SIN

2 stops26h 51mQatar Airways

dim. 6/86:45 pmSIN - DCA

2 stops40h 13mQatar Airways

Deal found 4/27

$1,644

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 avril 28, 2025.

mer. 5/711:55 amDCA - SIN

2 stops29h 35mCathay Pacific

mer. 5/218:05 pmSIN - DCA

2 stops25h 24mCathay Pacific

Deal found 4/27

$1,053

sam. 6/74:35 pmDCA - SIN

2 stops50h 30mAir Canada

sam. 6/149:10 amSIN - DCA

2 stops37h 09mAir Canada

Deal found 4/27

$1,088

dim. 7/275:59 pmDCA - SIN

1 stop36h 26mUnited Airlines

jeu. 8/218:45 amSIN - DCA

1 stop24h 52mUnited Airlines

Deal found 4/27

$1,205

dim. 5/46:35 amDCA - SIN

2 stops24h 30mMultiple Airlines

mer. 5/71:50 amSIN - DCA

2 stops31h 08mMultiple Airlines

Deal found 4/27

$1,225

dim. 5/46:35 pmDCA - SIN

2 stops29h 25mEVA Air

jeu. 5/83:10 pmSIN - DCA

2 stops38h 22mEVA Air

Deal found 4/27

$1,319

jeu. 6/126:05 amDCA - SIN

2 stops34h 55mDelta

jeu. 6/197:30 amSIN - DCA

2 stops26h 16mDelta

Deal found 4/28

$1,358

lun. 6/94:56 pmDCA - SIN

2 stops48h 04mKorean Air

mer. 6/1810:30 pmSIN - DCA

2 stops28h 27mKorean Air

Deal found 4/28

$1,463

jeu. 5/226:09 amDCA - SIN

2 stops26h 51mQatar Airways

dim. 6/86:45 pmSIN - DCA

2 stops40h 13mQatar Airways

Deal found 4/27

$1,644

dim. 5/48:59 amDCA - SIN

1 stop32h 16mSingapore Airlines

jeu. 5/88:45 pmSIN - DCA

1 stop36h 13mSingapore Airlines

Deal found 4/27

$1,685

ven. 7/253:30 pmDCA - SIN

2 stops27h 10mANA

jeu. 8/216:15 amSIN - DCA

2 stops26h 48mANA

Deal found 4/27

$1,754

mar. 5/275:49 pmDCA - SIN

2 stops36h 36mFinnair

dim. 6/89:35 pmSIN - DCA

2 stops37h 32mFinnair

Deal found 4/27

$1,776

ven. 6/69:59 amDCA - SIN

2 stops26h 21mAmerican Airlines

lun. 6/231:55 amSIN - DCA

2 stops24h 35mAmerican Airlines

Deal found 4/28

$2,014

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

mer. 4/305:59 pmDCA - SIN

1 stop24h 46mUnited Airlines

ven. 5/99:00 amSIN - DCA

1 stop24h 34mUnited Airlines

Deal found 4/27

$1,244

ven. 5/211:00 amDCA - SIN

2 stops25h 55mAir Canada

mar. 5/139:10 amSIN - DCA

2 stops25h 18mAir Canada

Deal found 4/26

$5,424

dim. 5/46:35 amDCA - SIN

2 stops24h 30mMultiple Airlines

mer. 5/71:50 amSIN - DCA

2 stops31h 08mMultiple Airlines

Deal found 4/27

$1,225

dim. 5/46:35 pmDCA - SIN

2 stops29h 25mEVA Air

jeu. 5/83:10 pmSIN - DCA

2 stops38h 22mEVA Air

Deal found 4/27

$1,319

dim. 5/48:59 amDCA - SIN

1 stop32h 16mSingapore Airlines

jeu. 5/88:45 pmSIN - DCA

1 stop36h 13mSingapore Airlines

Deal found 4/27

$1,685

mar. 5/65:59 pmDCA - SIN

1 stop24h 46mUnited Airlines

mar. 5/209:00 amSIN - DCA

1 stop24h 34mUnited Airlines

Deal found 4/28

$1,194

mer. 5/711:55 amDCA - SIN

2 stops29h 35mCathay Pacific

mar. 5/201:50 amSIN - DCA

2 stops32h 25mCathay Pacific

Deal found 4/27

$1,053

mer. 5/711:55 amDCA - SIN

2 stops29h 35mCathay Pacific

mer. 5/218:05 pmSIN - DCA

2 stops25h 24mCathay Pacific

Deal found 4/27

$1,053

ven. 5/168:59 amDCA - SIN

2 stops32h 01mDelta

lun. 5/267:30 amSIN - DCA

2 stops27h 12mDelta

Deal found 4/27

$1,408

jeu. 5/226:09 amDCA - SIN

2 stops26h 51mQatar Airways

dim. 6/86:45 pmSIN - DCA

2 stops40h 13mQatar Airways

Deal found 4/27

$1,644

dim. 5/256:00 amDCA - SIN

2 stops37h 05mAir Canada

dim. 6/89:10 amSIN - DCA

2 stops25h 18mAir Canada

Deal found 4/27

$1,280

lun. 5/268:15 amDCA - SIN

2 stops45h 35mPhilippine Airlines

sam. 6/712:20 amSIN - DCA

2 stops56h 09mPhilippine Airlines

Deal found 4/27

$2,395

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 avril 28, 2025.

mer. 5/711:55 amDCA - SIN

2 stops29h 35mCathay Pacific

Deal found 4/28

$524

lun. 5/196:00 pmDCA - SIN

3 stops56h 25mMultiple Airlines

Deal found 4/28

$559

lun. 5/194:35 pmDCA - SIN

2 stops50h 30mAir Canada

Deal found 4/28

$575

dim. 7/204:56 pmDCA - SIN

2 stops42h 44mKorean Air

Deal found 4/27

$602

dim. 7/204:17 pmDCA - SIN

2 stops38h 08mUnited Airlines

Deal found 4/27

$679

dim. 7/2010:09 pmDCA - SIN

2 stops31h 21mJapan Airlines

Deal found 4/27

$692

dim. 6/293:59 pmDCA - SIN

2 stops29h 01mQatar Airways

Deal found 4/27

$890

dim. 7/209:59 amDCA - SIN

1 stop31h 16mSingapore Airlines

Deal found 4/27

$1,047

ven. 5/235:49 pmDCA - SIN

2 stops36h 36mFinnair

Deal found 4/27

$1,157

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

sam. 6/7

4:35 pm-7:05 am

2 stops50h 30m

Singapore Changi

sam. 6/14

9:10 am-10:19 am

2 stops37h 09m

$1,088

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

lun. 9/1

5:06 pm-12:35 pm

2 stops31h 29m

Singapore Changi

mar. 9/9

2:00 am-8:59 pm

2 stops54h 59m

$1,151

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

lun. 9/1

5:59 pm-6:15 am

1 stop24h 16m

Singapore Changi

mer. 9/10

8:45 am-9:37 pm

1 stop24h 52m

$1,194

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

mar. 7/8

12:10 pm-5:30 am

2 stops29h 20m

Singapore Changi

mar. 7/15

8:05 pm-11:11 pm

2 stops39h 06m

$1,208

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

sam. 8/9

1:00 pm-6:40 am

2 stops29h 40m

Singapore Changi

dim. 8/24

10:10 pm-9:03 pm

2 stops34h 53m

$1,244

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

mer. 6/11

6:10 am-11:40 pm

2 stops29h 30m

Singapore Changi

mar. 6/17

1:10 am-11:22 pm

2 stops34h 12m

$1,350

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

lun. 6/9

4:56 pm-5:00 am

2 stops48h 04m

Singapore Changi

mer. 6/18

10:30 pm-2:57 pm

2 stops28h 27m

$1,463

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

lun. 10/6

9:30 am-7:50 am

1 stop34h 20m

Singapore Changi

lun. 10/27

8:45 pm-8:55 pm

1 stop36h 10m

$1,464

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

sam. 8/2

7:01 pm-6:25 pm

2 stops35h 24m

Singapore Changi

dim. 8/17

9:35 pm-11:01 pm

2 stops37h 26m

$1,561

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

lun. 6/9

6:00 am-6:10 am

2 stops36h 10m

Singapore Changi

sam. 6/21

9:50 pm-7:50 am

2 stops46h 00m

$1,579

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 24 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, Korean Air and Japan 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.

EVA Air

8.4

Very good

1,184 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

EVA Air

8.4

Very good

1,184 reviews

EVA Air

8.4

Very good

1,184 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Korean Air

8.4

Very good

1,063 reviews

EVA Air

8.4

Very good

1,184 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Japan Airlines

8.3

Very good

1,459 reviews

EVA Air

8.4

Very good

1,184 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

ANA

8.3

Very good

855 reviews

EVA Air

8.4

Very good

1,184 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Singapore Airlines

8.1

Very good

1,292 reviews

EVA Air

8.4

Very good

1,184 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

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.
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 Cathay Pacific. Our recent data shows that you can find tickets from as low as $1,053 on this airline. Additional options worth looking into are Air Canada and United Airlines, starting at $1,088 and $1,205 round-trip. Cathay Pacific is currently priced 21% 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?
$524 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 Korean Air, with prices starting from $575 and $602, 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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$524+ 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 5/7. 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

1. Tell us where you want to go

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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 avril 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 avril 28, 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.

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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 avril 28, 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, Korean Air and Japan 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.

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?

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Alternative routes for 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 avril 28, 2025.