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

Air Canada, Singapore Airlines, and Alaska Airlines are the most popular carriers operating from Washington, D.C. Reagan-National to Singapore

How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Singapore?

As of August 2025, there is 1 operator available to choose from 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?

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.

$437 Cheap Flights from Washington, D.C. Reagan-National Airport to Singapore in 2025

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

Round-trip

One-way

Last minute

Cheap round-trip flights

6:00 am - 7:05 amDCA-SIN

37h 05m2 stops

9:10 am - 10:20 amSIN-DCA

37h 10m2 stops

$936Air Canada

Find Deal

Thu, Oct 16 - Tue, Oct 21

5:30 pm - 5:45 pmDCA-SIN

35h 15m1 stop

8:45 pm - 8:55 pmSIN-DCA

37h 10m1 stop

$945Singapore Airlines

Find Deal

Mon, Feb 9 - Wed, Feb 18

8:40 pm - 7:05 amDCA-SIN

46h 25m2 stops

9:10 am - 8:59 amSIN-DCA

35h 49m2 stops

$968Air Canada

Find Deal

Sat, Oct 4 - Sat, Oct 11

6:00 am - 7:00 amDCA-SIN

36h 00m2 stops

9:20 am - 9:56 pmSIN-DCA

25h 36m2 stops

$982Air Canada

Find Deal

Wed, Nov 12 - Tue, Nov 18

6:00 am - 7:00 amDCA-SIN

36h 00m2 stops

11:10 pm - 10:35 pmSIN-DCA

36h 25m2 stops

$983Air Canada

Find Deal

Wed, Nov 19 - Mon, Dec 1

6:58 pm - 7:05 pmDCA-SIN

36h 07m1 stop

9:00 am - 9:59 pmSIN-DCA

25h 59m1 stop

$985Singapore Airlines

Find Deal

Sat, Nov 1 - Sat, Nov 8

9:59 am - 5:30 amDCA-SIN

31h 31m2 stops

8:05 pm - 1:04 amSIN-DCA

40h 59m2 stops

$1,036Cathay Pacific

Find Deal

Mon, Sep 1 - Sun, Sep 7

12:25 pm - 5:30 amDCA-SIN

29h 05m2 stops

8:00 am - 12:58 amSIN-DCA

28h 58m2 stops

$1,043Cathay Pacific

Find Deal

Tue, Sep 9 - Tue, Sep 23

5:00 pm - 5:45 pmDCA-SIN

36h 45m1 stop

9:00 am - 9:59 pmSIN-DCA

25h 59m1 stop

$1,103

Find Deal

Sat, Nov 1 - Sat, Nov 8

6:59 pm - 7:10 pmDCA-SIN

36h 11m1 stop

9:00 am - 9:59 pmSIN-DCA

25h 59m1 stop

$1,164

Find Deal

Sat, Oct 4 - Tue, Nov 18

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

Aug 25

DCA12:35 pmWashington, D.C. Reagan-National

35h 10m

2 stops

SIN11:45 amSingapore Changi

Sep 8

SIN8:05 pmSingapore Changi

40h 59m

2 stops

DCA1:04 amWashington, D.C. Reagan-National

$1,024

Find similar

Cathay Pacific

Sep 1

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

31h 31m

2 stops

SIN5:30 amSingapore Changi

Sep 7

SIN8:05 pmSingapore Changi

40h 59m

2 stops

DCA1:04 amWashington, D.C. Reagan-National

$1,036

Find similar

Cathay Pacific

Sep 1

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

31h 31m

2 stops

SIN5:30 amSingapore Changi

Sep 7

SIN8:05 pmSingapore Changi

40h 59m

2 stops

DCA1:04 amWashington, D.C. Reagan-National

$1,037

Find similar

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

Aug 25

DCA7:00 amWashington, D.C. Reagan-National

23h 25m

1 stop

SIN6:25 pmSingapore Changi

Sep 8

SIN8:45 amSingapore Changi

24h 52m

1 stop

DCA9:37 pmWashington, D.C. Reagan-National

$1,142

Find similar

United Airlines

Sep 1

DCA7:00 amWashington, D.C. Reagan-National

23h 25m

1 stop

SIN6:25 pmSingapore Changi

Sep 10

SIN8:45 amSingapore Changi

24h 52m

1 stop

DCA9:37 pmWashington, D.C. Reagan-National

$1,225

Find similar

United Airlines

Sep 1

DCA5:59 pmWashington, D.C. Reagan-National

24h 16m

1 stop

SIN6:15 amSingapore Changi

Sep 7

SIN8:45 amSingapore Changi

24h 52m

1 stop

DCA9:37 pmWashington, D.C. Reagan-National

$1,275

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

Thu 10/16

6:00 am-7:05 am

2 stops37h 05m

Singapore Changi

Tue 10/21

9:10 am-10:20 am

2 stops37h 10m

$936

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Mon 2/9

5:30 pm-5:45 pm

1 stop35h 15m

Singapore Changi

Wed 2/18

8:45 pm-8:55 pm

1 stop37h 10m

$945

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sat 10/4

8:40 pm-7:05 am

2 stops46h 25m

Singapore Changi

Sat 10/11

9:10 am-8:59 am

2 stops35h 49m

$968

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 11/12

6:00 am-7:00 am

2 stops36h 00m

Singapore Changi

Tue 11/18

9:20 am-9:56 pm

2 stops25h 36m

$982

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 11/19

6:00 am-7:00 am

2 stops36h 00m

Singapore Changi

Mon 12/1

11:10 pm-10:35 pm

2 stops36h 25m

$983

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sat 11/1

6:58 pm-7:05 pm

1 stop36h 07m

Singapore Changi

Sat 11/8

9:00 am-9:59 pm

1 stop25h 59m

$985

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Mon 9/1

9:59 am-5:30 am

2 stops31h 31m

Singapore Changi

Sun 9/7

8:05 pm-1:04 am

2 stops40h 59m

$1,036

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 9/9

12:25 pm-5:30 am

2 stops29h 05m

Singapore Changi

Tue 9/23

8:00 am-12:58 am

2 stops28h 58m

$1,043

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sat 11/1

5:00 pm-5:45 pm

1 stop36h 45m

Singapore Changi

Sat 11/8

9:00 am-9:59 pm

1 stop25h 59m

$1,103

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sat 10/4

6:59 pm-7:10 pm

1 stop36h 11m

Singapore Changi

Tue 11/18

9:00 am-9:59 pm

1 stop25h 59m

$1,164

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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 12% 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 many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Singapore?
As of August 2025, there is 1 operator available to choose from 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?
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.

Best airlines flying from Washington, D.C. Reagan-National Airport to Singapore

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Singapore with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $1,040	Free Cancellation	Rating 7.4 8,928 reviews		Search United Airlines flights

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.

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

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

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

Cheap flights from Washington, D.C. Reagan-National Airport to Singapore from $437

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

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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

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

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Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Singapore that are best for you.

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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 12% 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?

Air Canada, Singapore Airlines, and Alaska 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 many operators does momondo search 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?

Best airlines flying from Washington, D.C. Reagan-National Airport to Singapore

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Singapore with momondo

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