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 Singapore Airlines. Our recent data shows that you can find tickets from as low as $1,058 on this airline. Additional options worth looking into are Air Canada and Korean Air, starting at $1,060 and $1,065 round-trip. Singapore Airlines is currently priced 20% 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?

$530 is the cheapest one-way deal found within the past few days, from Korean Air. You may also be able to find cheap deals on Cathay Pacific and Air Canada, with prices starting from $629 and $640, respectively.

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

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Singapore (average of $1,008). Flying from Washington, D.C. Reagan-National Airport to Singapore in December is currently the most expensive (average of $1,674). 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 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.

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).

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 16% 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?

October can be a great time to fly to Singapore from Washington, D.C. Reagan-National Airport with a flight ticket averaging about $1,229. Cheapflights users have found deals in the month of October for as cheap as $671. The most expensive prices can be found in the month of December.

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.

$485+ Flights from Washington, D.C. Reagan-National Airport to Singapore

Q: 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.

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Cheap flight deals from Reagan-National to Singapore

Round-trip from	$1,058 (Justfly.com)
One-way from	$485 (Kiwi.com)
Popular in	December
Cheapest in	January
Average price	$1,558

From Washington, D.C. Reagan-National to Singapore Changi

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One-way flight from Washington, D.C. Reagan-National to Singapore Changi

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Highest demand for flights based on searches. 5% potential increase in price ($82 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($69 potential savings vs. average RT price).

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Average for round-trip flights in July 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 July 1, 2025.

Mon 10/68:20 amDCA - SIN

2 stops27h 20mKorean Air

Wed 12/1010:30 pmSIN - DCA

2 stops27h 52mKorean Air

Deal found 6/30

$1,049

Mon 9/18:59 amDCA - SIN

1 stop34h 51mSingapore Airlines

Wed 9/106:40 pmSIN - DCA

1 stop38h 19mSingapore Airlines

Deal found 6/30

$1,058

Sat 10/114:35 pmDCA - SIN

2 stops50h 30mAir Canada

Sun 10/199:10 amSIN - DCA

2 stops35h 49mAir Canada

Deal found 6/30

$1,060

Sun 8/179:59 amDCA - SIN

1 stop31h 16mMultiple Airlines

Tue 9/28:45 pmSIN - DCA

1 stop36h 14mMultiple Airlines

Deal found 6/29

$1,152

Thu 9/119:59 amDCA - SIN

2 stops26h 21mJapan Airlines

Wed 10/18:05 amSIN - DCA

2 stops25h 39mJapan Airlines

Deal found 6/30

$1,207

Wed 10/85:59 pmDCA - SIN

1 stop24h 16mUnited Airlines

Thu 10/168:45 amSIN - DCA

1 stop25h 06mUnited Airlines

Deal found 6/29

$1,216

Thu 10/23:30 pmDCA - SIN

2 stops27h 10mANA

Sun 10/510:10 pmSIN - DCA

2 stops34h 53mANA

Deal found 7/1

$1,226

Wed 9/177:23 pmDCA - SIN

2 stops28h 22mCathay Pacific

Tue 9/301:50 amSIN - DCA

2 stops30h 08mCathay Pacific

Deal found 7/1

$1,242

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 July 1, 2025.

Mon 9/18:59 amDCA - SIN

1 stop34h 51mSingapore Airlines

Wed 9/106:40 pmSIN - DCA

1 stop38h 19mSingapore Airlines

Deal found 6/30

$1,058

Fri 8/299:40 amDCA - SIN

2 stops33h 25mAir Canada

Sun 9/149:10 amSIN - DCA

2 stops35h 49mAir Canada

Deal found 6/29

$1,060

Thu 9/186:05 amDCA - SIN

2 stops34h 55mKorean Air

Sun 9/281:10 amSIN - DCA

2 stops52h 47mKorean Air

Deal found 7/1

$1,065

Sun 8/179:59 amDCA - SIN

1 stop31h 16mMultiple Airlines

Tue 9/28:45 pmSIN - DCA

1 stop36h 14mMultiple Airlines

Deal found 6/29

$1,152

Thu 9/119:59 amDCA - SIN

2 stops26h 21mJapan Airlines

Wed 10/18:05 amSIN - DCA

2 stops25h 39mJapan Airlines

Deal found 6/30

$1,207

Wed 7/237:00 amDCA - SIN

1 stop23h 25mUnited Airlines

Mon 7/288:45 amSIN - DCA

1 stop24h 42mUnited Airlines

Deal found 7/1

$1,225

Wed 9/177:23 pmDCA - SIN

2 stops28h 22mCathay Pacific

Tue 9/301:50 amSIN - DCA

2 stops30h 08mCathay Pacific

Deal found 7/1

$1,242

Sun 8/177:00 pmDCA - SIN

2 stops35h 25mLufthansa

Tue 9/28:45 amSIN - DCA

1 stop24h 52mLufthansa

Deal found 7/1

$1,274

Last-minute flights from Reagan-National to Singapore
Discover last-minute flight deals from Reagan-National to Singapore. Data last updated July 1, 2025 and is based on user searches.

Mon 7/76:30 amDCA - SIN

2 stops26h 30mQatar Airways

Mon 7/146:45 pmSIN - DCA

2 stops39h 15mQatar Airways

Deal found 7/1

$1,514

Mon 7/77:00 amDCA - SIN

1 stop23h 25mUnited Airlines

Wed 8/138:40 pmSIN - DCA

2 stops27h 06mUnited Airlines

Deal found 6/30

$1,525

Mon 7/77:50 amDCA - SIN

2 stops27h 50mDelta

Sun 7/131:10 amSIN - DCA

2 stops32h 34mDelta

Deal found 7/1

$1,736

Mon 7/78:40 pmDCA - SIN

2 stops46h 25mAir Canada

Fri 7/1810:10 pmSIN - DCA

2 stops36h 17mAir Canada

Deal found 6/30

$5,517

Mon 7/79:59 amDCA - SIN

2 stops38h 01mEVA Air

Fri 7/181:10 pmSIN - DCA

2 stops44h 32mEVA Air

Deal found 6/30

$6,012

Mon 7/76:00 amDCA - SIN

2 stops26h 35mCathay Pacific

Thu 7/171:50 amSIN - DCA

2 stops33h 21mCathay Pacific

Deal found 6/30

$7,336

Tue 7/89:39 amDCA - SIN

2 stops26h 01mKorean Air

Tue 8/127:30 amSIN - DCA

2 stops28h 16mKorean Air

Deal found 6/30

$1,445

Wed 7/98:00 amDCA - SIN

2 stops28h 20mAlaska Airlines

Tue 7/158:05 amSIN - DCA

2 stops25h 54mAlaska Airlines

Deal found 6/30

$1,942

Thu 7/108:20 amDCA - SIN

2 stops28h 00mJapan Airlines

Fri 7/181:55 amSIN - DCA

2 stops33h 16mJapan Airlines

Deal found 6/30

$1,448

Wed 7/237:25 amDCA - SIN

2 stops34h 50mUnited Airlines

Tue 7/298:45 amSIN - DCA

1 stop24h 42mUnited Airlines

Deal found 7/1

$1,225

Thu 8/147:50 amDCA - SIN

2 stops33h 10mDelta

Wed 8/201:10 amSIN - DCA

2 stops32h 51mDelta

Deal found 6/29

$1,290

Thu 8/143:30 pmDCA - SIN

2 stops27h 10mANA

Thu 8/216:15 amSIN - DCA

2 stops26h 48mANA

Deal found 6/30

$1,321

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 July 1, 2025.

Mon 8/256:00 pmDCA - SIN

2 stops37h 10mMultiple Airlines

Deal found 6/30

$485

Wed 7/308:20 amDCA - SIN

2 stops32h 40mKorean Air

Deal found 6/29

$530

Tue 8/198:20 amDCA - SIN

2 stops28h 30mCathay Pacific

Deal found 6/29

$629

Sat 7/124:30 pmDCA - SIN

2 stops50h 35mAir Canada

Deal found 6/30

$640

Mon 8/42:54 pmDCA - SIN

2 stops42h 06mQatar Airways

Deal found 6/30

$678

Wed 9/108:59 amDCA - SIN

1 stop32h 16mSingapore Airlines

Deal found 7/1

$689

Tue 7/155:02 pmDCA - SIN

2 stops43h 33mChina Airlines

Deal found 6/29

$706

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

Mon 9/1

8:59 am-7:50 am

1 stop34h 51m

Singapore Changi

Wed 9/10

6:40 pm-8:59 pm

1 stop38h 19m

$1,058

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Fri 8/29

9:40 am-7:05 am

2 stops33h 25m

Singapore Changi

Sun 9/14

9:10 am-8:59 am

2 stops35h 49m

$1,060

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Thu 9/18

6:05 am-5:00 am

2 stops34h 55m

Singapore Changi

Sun 9/28

1:10 am-5:57 pm

2 stops52h 47m

$1,065

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sun 8/17

9:59 am-5:15 am

1 stop31h 16m

Singapore Changi

Tue 9/2

8:45 pm-8:59 pm

1 stop36h 14m

$1,152

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Thu 9/11

9:59 am-12:20 am

2 stops26h 21m

Singapore Changi

Wed 10/1

8:05 am-9:44 pm

2 stops25h 39m

$1,207

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 7/23

7:00 am-6:25 pm

1 stop23h 25m

Singapore Changi

Tue 7/29

8:45 am-9:27 pm

1 stop24h 42m

$1,225

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 9/17

7:23 pm-11:45 am

2 stops28h 22m

Singapore Changi

Tue 9/30

1:50 am-7:58 pm

2 stops30h 08m

$1,242

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sun 8/17

7:00 pm-6:25 pm

2 stops35h 25m

Singapore Changi

Tue 9/2

8:45 am-9:37 pm

1 stop24h 52m

$1,274

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Mon 8/25

6:00 pm-7:10 pm

2 stops37h 10m

$485

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 7/30

8:20 am-5:00 am

2 stops32h 40m

$530

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 15 results

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 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.

How much does it cost to fly round-trip from Washington, D.C. Reagan-National Airport to Singapore?

Reviews of airlines servicing Singapore

Read through reviews of airlines operating flights from Washington, D.C. Reagan-National Airport to Singapore, such as Korean Air, Japan Airlines, and China Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Korean Air

8.4

Very good

1,101 reviews

Reviews

1 / 20

10.0

Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Korean Air

8.4

Very good

1,101 reviews

Korean Air

8.4

Very good

1,101 reviews

Reviews

1 / 20

10.0

Excellent

Chris,Mar 2025

SEA - ICN

Japan Airlines

8.3

Very good

1,504 reviews

Korean Air

8.4

Very good

1,101 reviews

Reviews

1 / 20

10.0

Excellent

Chris,Mar 2025

SEA - ICN

China Airlines

8.3

Very good

747 reviews

Korean Air

8.4

Very good

1,101 reviews

Reviews

1 / 20

10.0

Excellent

Chris,Mar 2025

SEA - ICN

Singapore Airlines

8.1

Very good

1,320 reviews

Korean Air

8.4

Very good

1,101 reviews

Reviews

1 / 20

10.0

Excellent

Chris,Mar 2025

SEA - ICN

Cathay Pacific

7.6

Good

922 reviews

Korean Air

8.4

Very good

1,101 reviews

Reviews

1 / 20

10.0

Excellent

Chris,Mar 2025

SEA - ICN

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 Singapore Airlines. Our recent data shows that you can find tickets from as low as $1,058 on this airline. Additional options worth looking into are Air Canada and Korean Air, starting at $1,060 and $1,065 round-trip. Singapore Airlines is currently priced 20% 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?
$530 is the cheapest one-way deal found within the past few days, from Korean Air. You may also be able to find cheap deals on Cathay Pacific and Air Canada, with prices starting from $629 and $640, 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, October is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Singapore (average of $1,008). Flying from Washington, D.C. Reagan-National Airport to Singapore in December is currently the most expensive (average of $1,674). 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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Other flights to Singapore

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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$485+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Reagan-National to Singapore

Round-trip from

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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 July 1, 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 July 1, 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.

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 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 July 1, 2025.

How much does it cost to fly round-trip from Washington, D.C. Reagan-National Airport to Singapore?

Reviews of airlines servicing Singapore

Read through reviews of airlines operating flights from Washington, D.C. Reagan-National Airport to Singapore, such as Korean Air, Japan Airlines, and China Airlines. Reviews also offer insight into each airline's 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 July 1, 2025.