What is the cheapest airline that flies from Washington, D.C. Reagan-National to Singapore?

Singapore Airlines, Cathay Pacific, and United Airlines are the most popular carriers operating from Washington, D.C. Reagan-National to Singapore

How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Singapore?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Singapore.

What documentation or ID do you need to fly to Singapore?

The required travel and health documents for your Singapore trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Singapore. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$436 Cheap Flights from Washington, D.C. Reagan-National Airport to Singapore in 2025/26

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Washington, D.C. Reagan-National Airport to Singapore

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:58 pm - 7:05 pmDCA-SIN

35h 07m1 stop

9:00 am - 9:59 pmSIN-DCA

25h 59m1 stop

$942Singapore Airlines

Find Deal

Mon, Nov 3 - Tue, Nov 18

6:58 pm - 7:05 pmDCA-SIN

35h 07m1 stop

9:00 am - 9:59 pmSIN-DCA

25h 59m1 stop

$974Multiple Airlines

Find Deal

Mon, Nov 3 - Tue, Nov 18

6:38 pm - 11:55 amDCA-SIN

28h 17m2 stops

1:25 am - 6:44 pmSIN-DCA

30h 19m2 stops

$1,067Cathay Pacific

Find Deal

Wed, Nov 12 - Mon, Nov 17

7:59 pm - 5:40 amDCA-SIN

44h 41m2 stops

7:40 am - 6:44 pmSIN-DCA

24h 04m2 stops

$1,073Cathay Pacific

Find Deal

Mon, Nov 3 - Tue, Nov 18

5:09 pm - 11:55 amDCA-SIN

29h 46m2 stops

1:25 am - 6:44 pmSIN-DCA

30h 19m2 stops

$1,081Cathay Pacific

Find Deal

Tue, Nov 11 - Mon, Nov 17

3:30 pm - 8:00 amDCA-SIN

27h 30m2 stops

10:10 am - 9:43 pmSIN-DCA

24h 33m1 stop

$1,116United Airlines

Find Deal

Tue, Nov 18 - Tue, Nov 25

4:10 pm - 7:05 amDCA-SIN

50h 55m2 stops

9:10 am - 10:19 amSIN-DCA

37h 09m2 stops

$1,120Air Canada

Find Deal

Sat, Mar 28 - Sat, Apr 18

5:59 pm - 8:00 amDCA-SIN

25h 01m1 stop

10:10 am - 9:43 pmSIN-DCA

24h 33m1 stop

$1,125United Airlines

Find Deal

Tue, Nov 11 - Tue, Nov 18

6:29 am - 5:00 amDCA-SIN

33h 31m2 stops

10:30 pm - 11:16 pmSIN-DCA

37h 46m2 stops

$1,139Delta

Find Deal

Wed, Nov 19 - Mon, Dec 8

6:00 am - 12:55 amDCA-SIN

29h 55m2 stops

8:50 am - 10:26 amSIN-DCA

38h 36m2 stops

$1,167Air Canada

Find Deal

Tue, Nov 18 - Tue, Nov 25

Singapore Airlines flights from Washington, D.C. Reagan-National Airport to Singapore

Our best Singapore Airlines deals on Washington, D.C. Reagan-National Airport to Singapore flight tickets

Singapore Airlines

Nov 3

DCA6:58 pmWashington, D.C. Reagan-National

35h 07m

1 stop

SIN7:05 pmSingapore Changi

Nov 18

SIN9:00 amSingapore Changi

25h 59m

1 stop

DCA9:59 pmWashington, D.C. Reagan-National

$942

Find similar

Singapore Airlines

Nov 11

DCA6:58 pmWashington, D.C. Reagan-National

35h 07m

1 stop

SIN7:05 pmSingapore Changi

Nov 18

SIN9:00 amSingapore Changi

25h 59m

1 stop

DCA9:59 pmWashington, D.C. Reagan-National

$1,091

Find similar

Singapore Airlines

Oct 14

DCA6:59 pmWashington, D.C. Reagan-National

36h 11m

1 stop

SIN7:10 pmSingapore Changi

Oct 25

SIN9:00 amSingapore Changi

24h 59m

1 stop

DCA9:59 pmWashington, D.C. Reagan-National

$1,135

Find similar

Cathay Pacific flights from Washington, D.C. Reagan-National Airport to Singapore

Our best Cathay Pacific deals on Washington, D.C. Reagan-National Airport to Singapore flight tickets

Cathay Pacific

Nov 12

DCA6:38 pmWashington, D.C. Reagan-National

28h 17m

2 stops

SIN11:55 amSingapore Changi

Nov 17

SIN1:25 amSingapore Changi

30h 19m

2 stops

DCA6:44 pmWashington, D.C. Reagan-National

$1,067

Find similar

Cathay Pacific

Nov 3

DCA7:59 pmWashington, D.C. Reagan-National

44h 41m

2 stops

SIN5:40 amSingapore Changi

Nov 18

SIN7:40 amSingapore Changi

24h 04m

2 stops

DCA6:44 pmWashington, D.C. Reagan-National

$1,073

Find similar

Cathay Pacific

Nov 11

DCA5:09 pmWashington, D.C. Reagan-National

29h 46m

2 stops

SIN11:55 amSingapore Changi

Nov 17

SIN1:25 amSingapore Changi

30h 19m

2 stops

DCA6:44 pmWashington, D.C. Reagan-National

$1,081

Find similar

momondo 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 11/3

6:58 pm-7:05 pm

1 stop35h 07m

Singapore Changi

Tue 11/18

9:00 am-9:59 pm

1 stop25h 59m

$942

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Mon 11/3

6:58 pm-7:05 pm

1 stop35h 07m

Singapore Changi

Tue 11/18

9:00 am-9:59 pm

1 stop25h 59m

$974

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 11/12

6:38 pm-11:55 am

2 stops28h 17m

Singapore Changi

Mon 11/17

1:25 am-6:44 pm

2 stops30h 19m

$1,067

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Mon 11/3

7:59 pm-5:40 am

2 stops44h 41m

Singapore Changi

Tue 11/18

7:40 am-6:44 pm

2 stops24h 04m

$1,073

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 11/11

5:09 pm-11:55 am

2 stops29h 46m

Singapore Changi

Mon 11/17

1:25 am-6:44 pm

2 stops30h 19m

$1,081

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 11/18

3:30 pm-8:00 am

2 stops27h 30m

Singapore Changi

Tue 11/25

10:10 am-9:43 pm

1 stop24h 33m

$1,116

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sat 3/28

4:10 pm-7:05 am

2 stops50h 55m

Singapore Changi

Sat 4/18

9:10 am-10:19 am

2 stops37h 09m

$1,120

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 11/11

5:59 pm-8:00 am

1 stop25h 01m

Singapore Changi

Tue 11/18

10:10 am-9:43 pm

1 stop24h 33m

$1,125

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 11/19

6:29 am-5:00 am

2 stops33h 31m

Singapore Changi

Mon 12/8

10:30 pm-11:16 pm

2 stops37h 46m

$1,139

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 11/18

6:00 am-12:55 am

2 stops29h 55m

Singapore Changi

Tue 11/25

8:50 am-10:26 am

2 stops38h 36m

$1,167

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Singapore

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Singapore?

The cheapest day to depart from Washington, D.C. Reagan-National Airport to Singapore is on a Monday when prices can be found for as low as $1,053. The most expensive day to fly to Singapore is Tuesday, with ticket prices averaging around $1,342.

What is the cheapest time of day to depart on your flight to Singapore?

In the evening is the cheapest time of day to fly from Washington, D.C. Reagan-National Airport to Singapore when you can find flight prices for as low as $1,057. Flying to Singapore in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,415 on average. Flights to Singapore from Washington, D.C. Reagan-National Airport in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Washington, D.C. Reagan-National Airport to Singapore flights?

You could potentially save up to 44% on your flight if you consider stops on a Washington, D.C. Reagan-National Airport to Singapore flight.

Cheap Washington, D.C. Reagan-National Airport to Singapore flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Singapore

Direct flights	None

There are no direct flights from Washington, D.C. Reagan-National Airport to Singapore. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Singapore.

Search flight deals

When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Singapore?
Prices for flights from Washington, D.C. Reagan-National Airport to Singapore were last updated today.
How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Singapore?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Singapore.
What documentation or ID do you need to fly to Singapore?
The required travel and health documents for your Singapore trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Singapore. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Singapore?

Finding the right flight to Singapore from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Singapore quick and easy, saving you time and money.

Can I find flights from Washington, D.C. to Singapore with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Singapore on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Singapore?

Once all potential Washington, D.C. to Singapore flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to Singapore right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Singapore, momondo offers a useful price alert feature which will track prices for flights to Singapore from Washington, D.C. and alert you when they change.

An easier way to manage your Singapore trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Wed 11/5

Wed 11/12

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Singapore

Popular cities in Singapore

Flights to Singaporefrom $530

Washington, D.C. Reagan-National Airport flight routes

Flights from Washington, D.C. Reagan-National to Denver Intl

Flights from Washington, D.C. Reagan-National to Orlando

Flights from Washington, D.C. Reagan-National to Fort Lauderdale

Flights from Washington, D.C. Reagan-National to Columbus

Flights from Washington, D.C. Reagan-National to Boston Logan Intl

Flights from Washington, D.C. Reagan-National to New York LaGuardia

Cheap flights from Washington, D.C. Reagan-National Airport to Singapore from $436

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Washington, D.C. Reagan-National Airport to Singapore

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Singapore Airlines flights from Washington, D.C. Reagan-National Airport to Singapore

Our best Singapore Airlines deals on Washington, D.C. Reagan-National Airport to Singapore flight tickets

Cathay Pacific flights from Washington, D.C. Reagan-National Airport to Singapore

Our best Cathay Pacific deals on Washington, D.C. Reagan-National Airport to Singapore flight tickets

momondo 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.

See travel insights to Singapore from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Singapore

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Singapore?

The cheapest day to depart from Washington, D.C. Reagan-National Airport to Singapore is on a Monday when prices can be found for as low as $1,053. The most expensive day to fly to Singapore is Tuesday, with ticket prices averaging around $1,342.

What is the cheapest time of day to depart on your flight to Singapore?

Can stopping save me money on Washington, D.C. Reagan-National Airport to Singapore flights?

You could potentially save up to 44% on your flight if you consider stops on a Washington, D.C. Reagan-National Airport to Singapore flight.

What is the cheapest airline that flies from Washington, D.C. Reagan-National to Singapore?

Singapore Airlines, Cathay Pacific, and United Airlines are the most popular carriers operating from Washington, D.C. Reagan-National to Singapore

Cheap Washington, D.C. Reagan-National Airport to Singapore flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Singapore

Direct flights

When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Singapore?

How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Singapore?

What documentation or ID do you need to fly to Singapore?

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Singapore?

Can I find flights from Washington, D.C. to Singapore with flexible booking policies on momondo?

How can momondo help me find flights from Washington, D.C. to Singapore?

I’m not ready to book a flight from Washington, D.C. to Singapore right now. Can momondo alert me if prices change?

An easier way to manage your Singapore trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Singapore

Popular cities in Singapore

Popular flights according to clicks in the last 7 days on momondo