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

Cathay Pacific and United Airlines 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.

$560 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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2:00 pm - 6:55 am

DCA

SIN

27h 55m2 stops

6:35 am - 7:12 pm

SIN

DCA

25h 37m2 stops

$1,183ANA

Mon, Jan 12 - Tue, Feb 17

9:35 am - 4:50 pm

DCA

SIN

42h 15m2 stops

8:15 pm - 6:59 pm

SIN

DCA

35h 44m2 stops

$1,184Cathay Pacific

Fri, Jan 16 - Thu, Feb 19

7:00 am - 8:00 am

DCA

SIN

36h 00m1 stop

10:10 am - 9:36 pm

SIN

DCA

24h 26m1 stop

$1,185United Airlines

Wed, Jan 14 - Fri, Feb 20

5:59 pm - 8:15 pm

DCA

SIN

37h 16m1 stop

10:10 am - 9:39 pm

SIN

DCA

24h 29m1 stop

$1,186United Airlines

Sat, Jan 17 - Wed, Feb 18

7:30 am - 12:55 am

DCA

SIN

28h 25m2 stops

10:10 am - 9:52 pm

SIN

DCA

24h 42m1 stop

$1,187United Airlines

Fri, Jan 23 - Thu, Feb 5

7:35 am - 5:00 am

DCA

SIN

32h 25m2 stops

10:40 am - 10:00 pm

SIN

DCA

24h 20m2 stops

$1,188Delta

Sat, Feb 14 - Wed, Mar 4

12:47 pm - 8:00 am

DCA

SIN

30h 13m2 stops

10:10 am - 11:35 am

SIN

DCA

38h 25m2 stops

$1,192United Airlines

Mon, Feb 16 - Sat, Feb 28

11:57 am - 5:40 am

DCA

SIN

29h 43m2 stops

1:50 am - 4:37 pm

SIN

DCA

26h 47m2 stops

$1,193Cathay Pacific

Thu, Mar 26 - Wed, Apr 1

6:59 am - 8:25 pm

DCA

SIN

48h 26m2 stops

1:35 am - 4:27 pm

SIN

DCA

27h 52m2 stops

$1,194Korean Air

Thu, Jan 15 - Fri, Feb 20

1:44 pm - 5:25 pm

DCA

SIN

38h 41m2 stops

2:20 am - 12:44 pm

SIN

DCA

23h 24m2 stops

$1,196Japan Airlines

Sat, Feb 14 - Wed, Feb 25

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

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

ANA

Jan 12

DCA2:00 pmWashington, D.C. Reagan-National

27h 55m

2 stops

SIN6:55 amSingapore Changi

Feb 17

SIN6:35 amSingapore Changi

25h 37m

2 stops

DCA7:12 pmWashington, D.C. Reagan-National

$1,183

Find similar

ANA

Jan 17

DCA2:00 pmWashington, D.C. Reagan-National

27h 55m

2 stops

SIN6:55 amSingapore Changi

Feb 17

SIN6:35 amSingapore Changi

25h 37m

2 stops

DCA7:12 pmWashington, D.C. Reagan-National

$1,233

Find similar

ANA

Jan 17

DCA2:00 pmWashington, D.C. Reagan-National

27h 55m

2 stops

SIN6:55 amSingapore Changi

Feb 21

SIN6:35 amSingapore Changi

27h 24m

2 stops

DCA8:59 pmWashington, D.C. Reagan-National

$1,290

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

Jan 16

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

42h 15m

2 stops

SIN4:50 pmSingapore Changi

Feb 19

SIN8:15 pmSingapore Changi

35h 44m

2 stops

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

$1,184

Find similar

Cathay Pacific

Mar 26

DCA11:57 amWashington, D.C. Reagan-National

29h 43m

2 stops

SIN5:40 amSingapore Changi

Apr 1

SIN1:50 amSingapore Changi

26h 47m

2 stops

DCA4:37 pmWashington, D.C. Reagan-National

$1,193

Find similar

Cathay Pacific

Feb 15

DCA7:55 pmWashington, D.C. Reagan-National

44h 45m

2 stops

SIN5:40 amSingapore Changi

Mar 1

SIN8:15 pmSingapore Changi

33h 42m

2 stops

DCA4:57 pmWashington, D.C. Reagan-National

$1,200

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 1/12

2:00 pm-6:55 am

2 stops27h 55m

Singapore Changi

Tue 2/17

6:35 am-7:12 pm

2 stops25h 37m

$1,183

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Fri 1/16

9:35 am-4:50 pm

2 stops42h 15m

Singapore Changi

Thu 2/19

8:15 pm-6:59 pm

2 stops35h 44m

$1,184

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 1/14

7:00 am-8:00 am

1 stop36h 00m

Singapore Changi

Fri 2/20

10:10 am-9:36 pm

1 stop24h 26m

$1,185

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sat 1/17

5:59 pm-8:15 pm

1 stop37h 16m

Singapore Changi

Wed 2/18

10:10 am-9:39 pm

1 stop24h 29m

$1,186

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Fri 1/23

7:30 am-12:55 am

2 stops28h 25m

Singapore Changi

Thu 2/5

10:10 am-9:52 pm

1 stop24h 42m

$1,187

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sat 2/14

7:35 am-5:00 am

2 stops32h 25m

Singapore Changi

Wed 3/4

10:40 am-10:00 pm

2 stops24h 20m

$1,188

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Mon 2/16

12:47 pm-8:00 am

2 stops30h 13m

Singapore Changi

Sat 2/28

10:10 am-11:35 am

2 stops38h 25m

$1,192

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

$1,193

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Thu 1/15

6:59 am-8:25 pm

2 stops48h 26m

Singapore Changi

Fri 2/20

1:35 am-4:27 pm

2 stops27h 52m

$1,194

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sat 2/14

1:44 pm-5:25 pm

2 stops38h 41m

Singapore Changi

Wed 2/25

2:20 am-12:44 pm

2 stops23h 24m

$1,196

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 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

Fastest flight time	25h 15m
Direct flights	None

The fastest flight from Washington, D.C. Reagan-National Airport to Singapore takes 25h 15m

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

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 15m.
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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Cabin classes currently available on flights to Singapore

First Class to Singapore

Business Class to Singaporefrom $2,084

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Cheap flights from Washington, D.C. Reagan-National Airport to Singapore from $560

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

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

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

Our best ANA 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

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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

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?

Cathay Pacific and United Airlines 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

Fastest flight time

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

Cabin classes currently available on flights to Singapore

List of cabin classes available on flights landing in Singapore. Availability may vary depending on flight origin and airline.