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

Cathay Pacific and Air Canada 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.

$556 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.

7:30 am - 12:55 amDCA-SIN

28h 25m2 stops

10:10 am - 9:00 pmSIN-DCA

23h 50m2 stops

$1,191United Airlines

Find Deal

Wed, Jan 21 - Sat, Jan 31

6:59 am - 5:15 amDCA-SIN

34h 16m2 stops

8:00 am - 9:48 pmSIN-DCA

25h 48m2 stops

$1,192Air Canada

Find Deal

Tue, May 26 - Wed, Jun 3

6:00 am - 12:55 amDCA-SIN

30h 55m2 stops

7:00 am - 9:53 pmSIN-DCA

26h 53m2 stops

$1,195Air Canada

Find Deal

Sun, Apr 12 - Sat, Apr 18

12:55 pm - 7:00 amDCA-SIN

53h 05m2 stops

8:50 am - 12:19 pmSIN-DCA

40h 29m2 stops

$1,198Air Canada

Find Deal

Tue, Jan 20 - Sat, Jan 24

6:00 am - 7:00 amDCA-SIN

36h 00m2 stops

8:50 am - 9:58 pmSIN-DCA

26h 08m2 stops

$1,199Air Canada

Find Deal

Fri, Jan 23 - Fri, Jan 30

6:59 am - 12:55 amDCA-SIN

29h 56m2 stops

7:00 am - 9:53 pmSIN-DCA

26h 53m2 stops

$1,200Air Canada

Find Deal

Fri, Apr 10 - Sun, Apr 19

9:40 am - 5:15 amDCA-SIN

31h 35m2 stops

7:00 am - 8:53 amSIN-DCA

37h 53m2 stops

$1,201Air Canada

Find Deal

Fri, Apr 3 - Sat, Apr 11

9:59 am - 7:55 amDCA-SIN

32h 56m1 stop

9:00 am - 9:59 pmSIN-DCA

25h 59m1 stop

$1,206Singapore Airlines

Find Deal

Thu, Jan 29 - Sat, Feb 7

11:57 am - 5:40 amDCA-SIN

29h 43m2 stops

1:50 am - 4:37 pmSIN-DCA

26h 47m2 stops

$1,208Cathay Pacific

Find Deal

Thu, Mar 26 - Wed, Apr 1

9:45 am - 8:10 pmDCA-SIN

45h 25m2 stops

8:15 pm - 11:00 pmSIN-DCA

39h 45m2 stops

$1,209Cathay Pacific

Find Deal

Sat, Jan 17 - Sun, Jan 25

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

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

United Airlines

Jan 21

DCA7:30 amWashington, D.C. Reagan-National

28h 25m

2 stops

SIN12:55 amSingapore Changi

Jan 31

SIN10:10 amSingapore Changi

23h 50m

2 stops

DCA9:00 pmWashington, D.C. Reagan-National

$1,191

Find similar

United Airlines

Jan 16

DCA3:15 pmWashington, D.C. Reagan-National

27h 45m

2 stops

SIN8:00 amSingapore Changi

Jan 23

SIN10:10 amSingapore Changi

24h 42m

1 stop

DCA9:52 pmWashington, D.C. Reagan-National

$1,225

Find similar

United Airlines

Jan 23

DCA11:10 amWashington, D.C. Reagan-National

31h 50m

2 stops

SIN8:00 amSingapore Changi

Jan 30

SIN10:10 amSingapore Changi

24h 42m

1 stop

DCA9:52 pmWashington, D.C. Reagan-National

$1,229

Find similar

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

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

Japan Airlines

Jan 16

DCA3:24 pmWashington, D.C. Reagan-National

26h 11m

2 stops

SIN6:35 amSingapore Changi

Jan 22

SIN2:20 amSingapore Changi

23h 24m

2 stops

DCA12:44 pmWashington, D.C. Reagan-National

$1,235

Find similar

Japan Airlines

Jan 11

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

28h 51m

2 stops

SIN12:50 amSingapore Changi

Jan 17

SIN2:20 amSingapore Changi

25h 37m

2 stops

DCA2:57 pmWashington, D.C. Reagan-National

$1,340

Find similar

Japan Airlines

Dec 8

DCA5:10 pmWashington, D.C. Reagan-National

35h 15m

2 stops

SIN5:25 pmSingapore Changi

Dec 27

SIN10:25 pmSingapore Changi

33h 15m

2 stops

DCA6:40 pmWashington, D.C. Reagan-National

$2,349

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

Wed 1/21

7:30 am-12:55 am

2 stops28h 25m

Singapore Changi

Sat 1/31

10:10 am-9:00 pm

2 stops23h 50m

$1,191

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 5/26

6:59 am-5:15 am

2 stops34h 16m

Singapore Changi

Wed 6/3

8:00 am-9:48 pm

2 stops25h 48m

$1,192

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sun 4/12

6:00 am-12:55 am

2 stops30h 55m

Singapore Changi

Sat 4/18

7:00 am-9:53 pm

2 stops26h 53m

$1,195

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 1/20

12:55 pm-7:00 am

2 stops53h 05m

Singapore Changi

Sat 1/24

8:50 am-12:19 pm

2 stops40h 29m

$1,198

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Fri 1/23

6:00 am-7:00 am

2 stops36h 00m

Singapore Changi

Fri 1/30

8:50 am-9:58 pm

2 stops26h 08m

$1,199

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Fri 4/10

6:59 am-12:55 am

2 stops29h 56m

Singapore Changi

Sun 4/19

7:00 am-9:53 pm

2 stops26h 53m

$1,200

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Fri 4/3

9:40 am-5:15 am

2 stops31h 35m

Singapore Changi

Sat 4/11

7:00 am-8:53 am

2 stops37h 53m

$1,201

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Thu 1/29

9:59 am-7:55 am

1 stop32h 56m

Singapore Changi

Sat 2/7

9:00 am-9:59 pm

1 stop25h 59m

$1,206

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Thu 3/26

11:57 am-5:40 am

2 stops29h 43m

Singapore Changi

Wed 4/1

1:50 am-4:37 pm

2 stops26h 47m

$1,208

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sat 1/17

9:45 am-8:10 pm

2 stops45h 25m

Singapore Changi

Sun 1/25

8:15 pm-11:00 pm

2 stops39h 45m

$1,209

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

Fastest flight time	25h 01m
Direct flights	None

The fastest flight from Washington, D.C. Reagan-National Airport to Singapore takes 25h 01m

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

Fri 1/2

Fri 1/9

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 $521

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 Palm Beach Intl

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

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

Flights from Washington, D.C. Reagan-National to New York John F Kennedy Intl

Cheap flights from Washington, D.C. Reagan-National Airport to Singapore from $556

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

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

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

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

Our best Japan Airlines 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?

Cathay Pacific and Air Canada 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

Fastest flight time

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