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

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

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

Prices for flights from Washington, D.C. Reagan-National Airport to Singapore Changi Airport were last updated today.

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

The required travel and health documents for your Singapore Changi Airport 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 Changi Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$448 Cheap Flights from Washington, D.C. Reagan-National Airport to Singapore in 2025/26

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

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7:01 pm - 12:25 pmDCA-SIN

29h 24m2 stops

1:50 am - 10:15 pmSIN-DCA

32h 25m2 stops

$1,102Cathay Pacific

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Mon, Apr 20 - Mon, Apr 27

9:45 am - 5:40 amDCA-SIN

30h 55m2 stops

1:25 am - 6:54 pmSIN-DCA

30h 29m2 stops

$1,113Cathay Pacific

Find Deal

Thu, Nov 6 - Thu, Nov 20

2:54 pm - 8:00 amDCA-SIN

28h 06m2 stops

10:10 am - 9:36 pmSIN-DCA

24h 26m1 stop

$1,116United Airlines

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Wed, Dec 3 - Wed, Dec 10

11:05 am - 7:05 amDCA-SIN

32h 00m2 stops

9:10 am - 10:19 amSIN-DCA

37h 09m2 stops

$1,120Air Canada

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Sun, Mar 29 - Sun, Apr 19

9:40 am - 12:45 amDCA-SIN

27h 05m2 stops

9:10 am - 10:18 amSIN-DCA

37h 08m2 stops

$1,124Air Canada

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Sun, Apr 12 - Tue, May 5

2:51 pm - 8:00 amDCA-SIN

28h 09m2 stops

10:10 am - 9:43 pmSIN-DCA

24h 33m1 stop

$1,125United Airlines

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Tue, Nov 11 - Tue, Nov 18

9:59 am - 1:05 pmDCA-SIN

38h 06m2 stops

2:00 am - 5:56 pmSIN-DCA

52h 56m2 stops

$1,144China Airlines

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Tue, Jan 20 - Mon, Jan 26

9:35 am - 5:40 amDCA-SIN

31h 05m2 stops

7:40 am - 8:00 pmSIN-DCA

25h 20m2 stops

$1,157Multiple Airlines

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Fri, Jan 9 - Sat, Jan 24

6:35 pm - 7:05 pmDCA-SIN

35h 30m1 stop

9:00 am - 9:55 pmSIN-DCA

24h 55m1 stop

$1,160Multiple Airlines

Find Deal

Mon, Mar 2 - Thu, Mar 12

8:00 am - 1:05 pmDCA-SIN

40h 05m2 stops

2:00 am - 5:56 pmSIN-DCA

52h 56m2 stops

$1,243China Airlines

Find Deal

Thu, Jan 8 - Wed, Jan 14

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

Apr 20

DCA7:01 pmWashington, D.C. Reagan-National

29h 24m

2 stops

SIN12:25 pmSingapore Changi

Apr 27

SIN1:50 amSingapore Changi

32h 25m

2 stops

DCA10:15 pmWashington, D.C. Reagan-National

$1,102

Find similar

Cathay Pacific

Oct 31

DCA7:02 pmWashington, D.C. Reagan-National

30h 03m

2 stops

SIN1:05 pmSingapore Changi

Nov 4

SIN6:00 pmSingapore Changi

42h 00m

2 stops

DCA11:00 pmWashington, D.C. Reagan-National

$1,113

Find similar

Cathay Pacific

Jan 9

DCA9:35 amWashington, D.C. Reagan-National

37h 20m

2 stops

SIN11:55 amSingapore Changi

Feb 15

SIN1:25 amSingapore Changi

30h 32m

2 stops

DCA6:57 pmWashington, D.C. Reagan-National

$1,128

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

Dec 3

DCA2:54 pmWashington, D.C. Reagan-National

28h 06m

2 stops

SIN8:00 amSingapore Changi

Dec 10

SIN10:10 amSingapore Changi

24h 26m

1 stop

DCA9:36 pmWashington, D.C. Reagan-National

$1,116

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United Airlines

Nov 11

DCA2:51 pmWashington, D.C. Reagan-National

28h 09m

2 stops

SIN8:00 amSingapore Changi

Nov 18

SIN10:10 amSingapore Changi

24h 33m

1 stop

DCA9:43 pmWashington, D.C. Reagan-National

$1,125

Find similar

United Airlines

Dec 4

DCA2:54 pmWashington, D.C. Reagan-National

28h 06m

2 stops

SIN8:00 amSingapore Changi

Dec 11

SIN10:10 amSingapore Changi

24h 26m

1 stop

DCA9:36 pmWashington, D.C. Reagan-National

$1,129

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.

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Route

Depart

Return

Price

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Mon 4/20

7:01 pm-12:25 pm

2 stops29h 24m

Singapore Changi

Mon 4/27

1:50 am-10:15 pm

2 stops32h 25m

$1,102

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Thu 11/6

9:45 am-5:40 am

2 stops30h 55m

Singapore Changi

Thu 11/20

1:25 am-6:54 pm

2 stops30h 29m

$1,113

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 12/3

2:54 pm-8:00 am

2 stops28h 06m

Singapore Changi

Wed 12/10

10:10 am-9:36 pm

1 stop24h 26m

$1,116

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sun 3/29

11:05 am-7:05 am

2 stops32h 00m

Singapore Changi

Sun 4/19

9:10 am-10:19 am

2 stops37h 09m

$1,120

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sun 4/12

9:40 am-12:45 am

2 stops27h 05m

Singapore Changi

Tue 5/5

9:10 am-10:18 am

2 stops37h 08m

$1,124

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 11/11

2:51 pm-8:00 am

2 stops28h 09m

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

Tue 1/20

9:59 am-1:05 pm

2 stops38h 06m

Singapore Changi

Mon 1/26

2:00 am-5:56 pm

2 stops52h 56m

$1,144

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Fri 1/9

9:35 am-5:40 am

2 stops31h 05m

Singapore Changi

Sat 1/24

7:40 am-8:00 pm

2 stops25h 20m

$1,157

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Mon 3/2

6:35 pm-7:05 pm

1 stop35h 30m

Singapore Changi

Thu 3/12

9:00 am-9:55 pm

1 stop24h 55m

$1,160

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Thu 1/8

8:00 am-1:05 pm

2 stops40h 05m

Singapore Changi

Wed 1/14

2:00 am-5:56 pm

2 stops52h 56m

$1,243

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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 Wednesday when prices can be found for as low as $1,184. The most expensive day to fly to Singapore is Saturday, with ticket prices averaging around $1,370.

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

At noon 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 $1,137. Flying to Singapore at noon 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 afternoon when prices are $1,511 on average. Flights to Singapore from Washington, D.C. Reagan-National Airport in the afternoon 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.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport to Singapore according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. Reagan-National Airport to Singapore (DCA to SIN) 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.

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How far is Washington, D.C. Reagan-National to Singapore Changi by plane?
A flight from Washington, D.C. Reagan-National to Singapore Changi will travel around 9654.9 mi. A reasonable flight in good conditions will take 25h 01m.
When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Singapore Changi Airport?
Prices for flights from Washington, D.C. Reagan-National Airport to Singapore Changi Airport were last updated today.
How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Singapore Changi Airport?
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 Changi Airport.
What documentation or ID do you need to fly to Singapore Changi Airport?
The required travel and health documents for your Singapore Changi Airport 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 Changi Airport. 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?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Singapore. momondo saves you time and could save you money on your trip.

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

Flights from Washington, D.C. to Singapore with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Singapore from Washington, D.C..

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 not ready to book a flight from Washington, D.C. to Singapore now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Singapore and let you know when they change.

An easier way to manage your Singapore trip

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Cheap flights from Washington, D.C. Reagan-National Airport to Singapore from $448

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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.

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 Wednesday when prices can be found for as low as $1,184. The most expensive day to fly to Singapore is Saturday, with ticket prices averaging around $1,370.

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 Changi?

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

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

Cheap Washington, D.C. Reagan-National Airport to Singapore (DCA to SIN) 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

How far is Washington, D.C. Reagan-National to Singapore Changi by plane?

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

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

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

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

Fly your favorite airline to Singapore

Airlines are sorted and displayed according to clicks in the past 7 days on momondo