Which layover airport has the shortest travel time from Washington, D.C. to Singapore?

Flights connecting via Doha (DOH) have the shortest average one-way travel time: 22h 34m.

Which layover airport has the shortest connection time from Washington, D.C. to Singapore?

Dubai (DXB) has the shortest average layover time for this route: 2h 00m.

Which layover airport offers the lowest fares from Washington, D.C. to Singapore?

Flights via Beijing (PEK) offer the lowest average round-trip price of $779.

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

IndiGo, Etihad Airways, and Turkish Airlines are the most popular carriers operating from Washington, D.C. to Singapore Changi

What airlines fly to Singapore?

Turkish Airlines, United Airlines and Qatar Airways are the top three most popular airlines that fly to Singapore from Washington, D.C. according to our data. Turkish Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Singapore. Keep in mind that there are 9 different airlines that fly to Singapore on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between Washington, D.C. and Singapore?

Istanbul (IST) was the most common stop: 44% of momondo users choosing 1-stop flights on this route connected there.

How long does it take to fly to Singapore?

The flight from Washington, D.C. to Singapore depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Washington, D.C. (a popular airport in Washington, D.C.) to Singapore (the most popular airport in Singapore), then the flight time is 23h 18m on average. If you fly from Baltimore (another popular airport in Washington, D.C.) to Singapore, then the average flight time is 24h 32m.

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

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

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

As of October 2025, there are 9 operators available to choose from for flights from Washington, D.C. to Singapore Changi Airport.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Singapore Changi Airport.

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

The travel and health documents you'll need for your trip to Singapore Changi Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Singapore Changi Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$443 Cheap Flights from Washington, D.C. to Singapore in 2025/26

Q: What is the typical price of a round-trip flight between Washington, D.C. and Singapore?

Prices are currently typical for flights on this route. Typical prices usually range from $1,075 to $1,292. The lowest price recently found on this route was $1,112.

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6:55 pm - 5:45 pmBWI-SIN

33h 50m1 stop

11:20 pm - 7:19 pmSIN-BWI

32h 59m2 stops

$1,112Multiple Airlines

Find Deal

Thu, Feb 12 - Sun, Feb 22

9:55 am - 12:55 amIAD-SIN

27h 00m2 stops

9:10 am - 11:16 amSIN-IAD

38h 06m2 stops

$1,119Air Canada

Find Deal

Sun, Apr 12 - Tue, May 5

5:59 pm - 8:00 amDCA-SIN

25h 01m1 stop

10:20 pm - 11:29 amSIN-DCA

26h 09m2 stops

$1,124United Airlines

Find Deal

Tue, Nov 11 - Tue, Nov 18

5:59 pm - 8:00 amDCA-SIN

25h 01m1 stop

10:20 pm - 11:29 amSIN-DCA

26h 09m2 stops

$1,125United Airlines

Find Deal

Tue, Nov 11 - Tue, Nov 18

1:30 pm - 8:45 amIAD-SIN

30h 15m1 stop

10:25 am - 11:45 amSIN-IAD

38h 20m1 stop

$1,142Turkish Airlines

Find Deal

Wed, Dec 10 - Sun, Dec 21

11:50 am - 5:00 amIAD-SIN

28h 10m1 stop

10:40 am - 7:12 pmSIN-IAD

44h 32m2 stops

$1,144Korean Air

Find Deal

Tue, Mar 3 - Mon, Mar 23

8:05 pm - 12:55 pmIAD-SIN

27h 50m2 stops

3:15 am - 3:55 pmSIN-IAD

25h 40m1 stop

$1,148Qatar Airways

Find Deal

Sat, Jan 24 - Sat, Jan 31

10:40 am - 9:15 pmIAD-SIN

21h 35m1 stop

5:25 pm - 8:20 amSIN-IAD

27h 55m2 stops

$1,152Qatar Airways

Find Deal

Wed, Nov 12 - Tue, Nov 18

10:15 pm - 8:45 amIAD-SIN

22h 30m1 stop

11:05 pm - 11:35 amSIN-IAD

24h 30m1 stop

$1,186Turkish Airlines

Find Deal

Thu, Mar 26 - Sat, Apr 4

7:00 am - 5:00 amDCA-SIN

34h 00m2 stops

1:35 am - 6:06 pmSIN-DCA

28h 31m2 stops

$1,244Korean Air

Find Deal

Mon, Mar 9 - Wed, Mar 11

Cathay Pacific flights from Washington, D.C. to Singapore

Our best Cathay Pacific deals on Washington, D.C. to Singapore flight tickets

Cathay Pacific

Nov 12

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

28h 17m

2 stops

SIN11:55 amSingapore Changi

Nov 19

SIN7:40 amSingapore Changi

24h 04m

2 stops

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

$1,128

Find similar

Cathay Pacific

Mar 6

DCA9:39 amWashington, D.C. Reagan-National

42h 11m

2 stops

SIN4:50 pmSingapore Changi

Mar 24

SIN7:40 amSingapore Changi

23h 17m

2 stops

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

$1,134

Find similar

Cathay Pacific

Jan 16

DCA5:08 pmWashington, D.C. Reagan-National

33h 37m

2 stops

SIN3:45 pmSingapore Changi

Jan 30

SIN7:40 amSingapore Changi

24h 04m

2 stops

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

$1,138

Find similar

Singapore Airlines flights from Washington, D.C. to Singapore

Our best Singapore Airlines deals on Washington, D.C. to Singapore flight tickets

Singapore Airlines

Feb 18

BWI6:55 pmBaltimore/Washington

33h 50m

1 stop

SIN5:45 pmSingapore Changi

Feb 24

SIN8:45 pmSingapore Changi

33h 08m

1 stop

BWI4:53 pmBaltimore/Washington

$1,137

Find similar

Singapore Airlines

Mar 22

BWI6:00 pmBaltimore/Washington

25h 55m

1 stop

SIN7:55 amSingapore Changi

Apr 8

SIN8:45 pmSingapore Changi

32h 02m

1 stop

BWI4:47 pmBaltimore/Washington

$1,141

Find similar

Singapore Airlines

Feb 18

BWI6:55 pmBaltimore/Washington

33h 50m

1 stop

SIN5:45 pmSingapore Changi

Feb 24

SIN9:20 amSingapore Changi

44h 33m

2 stops

BWI4:53 pmBaltimore/Washington

$1,150

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Thu 2/12

6:55 pm-5:45 pm

1 stop33h 50m

Singapore Changi

Sun 2/22

11:20 pm-7:19 pm

2 stops32h 59m

$1,112

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 4/12

9:55 am-12:55 am

2 stops27h 00m

Singapore Changi

Tue 5/5

9:10 am-11:16 am

2 stops38h 06m

$1,119

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

10:20 pm-11:29 am

2 stops26h 09m

$1,124

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

10:20 pm-11:29 am

2 stops26h 09m

$1,125

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 12/10

1:30 pm-8:45 am

1 stop30h 15m

Singapore Changi

Sun 12/21

10:25 am-11:45 am

1 stop38h 20m

$1,142

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 3/3

11:50 am-5:00 am

1 stop28h 10m

Singapore Changi

Mon 3/23

10:40 am-7:12 pm

2 stops44h 32m

$1,144

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 1/24

8:05 pm-12:55 pm

2 stops27h 50m

Singapore Changi

Sat 1/31

3:15 am-3:55 pm

1 stop25h 40m

$1,148

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 11/12

10:40 am-9:15 pm

1 stop21h 35m

Singapore Changi

Tue 11/18

5:25 pm-8:20 am

2 stops27h 55m

$1,152

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 3/26

10:15 pm-8:45 am

1 stop22h 30m

Singapore Changi

Sat 4/4

11:05 pm-11:35 am

1 stop24h 30m

$1,186

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Mon 3/9

7:00 am-5:00 am

2 stops34h 00m

Singapore Changi

Wed 3/11

1:35 am-6:06 pm

2 stops28h 31m

$1,244

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How to get the cheapest flight ticket from Washington, D.C. 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

Layovers

Other information

What is the typical price of a round-trip flight between Washington, D.C. and Singapore?

What is the cheapest month to fly to Singapore?

The month of August is, on average, the cheapest month to fly to Singapore from Washington, D.C., with most prices found around $732. If you aren’t able to travel to Singapore during the month of August, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $974.

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

The cheapest day to depart from Washington, D.C. 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. 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. in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Singapore?

You are more likely to see cheaper flights to Singapore from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Singapore for around $1,206 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Singapore from Washington, D.C. for as low as $970 on momondo.

How have Washington, D.C. to Singapore flight prices changed over time?

As of October 2025, prices for Washington, D.C. to Singapore flights are approximately 8% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. to Singapore

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. 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. to Singapore (WAS to SIN) flight deals and tips

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

Direct flights	None

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

Search flight deals

How far is Washington, D.C. to Singapore Changi by plane?
The straight-line distance from Washington, D.C. to Singapore Changi is 9651.2 mi. A reasonable flight in good conditions will take 21h 35m.
When did momondo last update prices for flights from Washington, D.C. to Singapore Changi Airport?
Prices for flights from Washington, D.C. to Singapore Changi Airport were last updated today.
How many operators does momondo search for flights from Washington, D.C. to Singapore Changi Airport?
As of October 2025, there are 9 operators available to choose from for flights from Washington, D.C. to Singapore Changi Airport.
How old do you have to be to fly from Washington, D.C. to Singapore Changi Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Singapore Changi Airport.
What documentation or ID do you need to fly to Singapore Changi Airport?
The travel and health documents you'll need for your trip to Singapore Changi Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Singapore Changi Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Washington, D.C. to Singapore?
momondo data reveals that the most frequently booked airline on the route from Washington, D.C. to Singapore is Turkish Airlines, representing 25% of all bookings. The subsequent popular airlines are Qatar Airways at 22%, United Airlines at 19%, and JetBlue at 8%.

Best airlines flying from Washington, D.C. to Singapore

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

Airline	Rating	Free Cancellation	Price
Air India	PriceFrom $807	Free Cancellation	Rating 5.5 2,940 reviews	Search Air India flights
Etihad Airways	PriceFrom $833	Free Cancellation	Rating 7.4 1,282 reviews	Search Etihad Airways flights
Turkish Airlines	PriceFrom $841	Free Cancellation	Rating 7.3 4,031 reviews	Search Turkish Airlines flights
Korean Air	PriceFrom $944	Free Cancellation	Rating 8.4 1,155 reviews	Search Korean Air flights
Qatar Airways	PriceFrom $996	Free Cancellation	Rating 7.4 3,659 reviews	Search Qatar Airways flights
JetBlue	PriceFrom $1,043	Free Cancellation	Rating 7.2 2,906 reviews	Search JetBlue flights
United Airlines	PriceFrom $1,191	Free Cancellation	Rating 7.4 8,998 reviews	Search United Airlines flights
American Airlines	PriceFrom $1,196	Free Cancellation	Rating 7.2 11,030 reviews	Search American Airlines flights
ANA	PriceFrom $1,499	Free Cancellation	Rating 8.4 996 reviews	Search ANA flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Singapore. Millions of users trust and use momondo every year so you are in good hands.

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 you have performed a search for Washington, D.C. to Singapore flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Washington, D.C. to Singapore flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from Washington, D.C. to Singapore from $443

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Singapore departing on 12/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Cathay Pacific flights from Washington, D.C. to Singapore

Our best Cathay Pacific deals on Washington, D.C. to Singapore flight tickets

Singapore Airlines flights from Washington, D.C. to Singapore

Our best Singapore Airlines deals on Washington, D.C. to Singapore flight tickets

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How to get the cheapest flight ticket from Washington, D.C. 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 typical price of a round-trip flight between Washington, D.C. and Singapore?

What is the cheapest month to fly to Singapore?

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

The cheapest day to depart from Washington, D.C. 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?

How far in advance should I book a flight to Singapore?

How have Washington, D.C. to Singapore flight prices changed over time?

As of October 2025, prices for Washington, D.C. to Singapore flights are approximately 8% cheaper when compared to flights at the same time last year.

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

IndiGo, Etihad Airways, and Turkish Airlines are the most popular carriers operating from Washington, D.C. to Singapore Changi

What airlines fly to Singapore?

Which airport is the most popular layover for flights between Washington, D.C. and Singapore?

Istanbul (IST) was the most common stop: 44% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Washington, D.C. to Singapore?

Flights via Beijing (PEK) offer the lowest average round-trip price of $779.

Which layover airport has the shortest travel time from Washington, D.C. to Singapore?

Flights connecting via Doha (DOH) have the shortest average one-way travel time: 22h 34m.

Which layover airport has the shortest connection time from Washington, D.C. to Singapore?

Dubai (DXB) has the shortest average layover time for this route: 2h 00m.

How long does it take to fly to Singapore?

When to book flights from Washington, D.C. to Singapore

Cheap Washington, D.C. to Singapore (WAS to SIN) flight deals and tips

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

Direct flights

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

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

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

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

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

What is the most popular airline from Washington, D.C. to Singapore?

Best airlines flying from Washington, D.C. to Singapore

Compare and see reviews for airlines that fly from Washington, D.C. 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

Fly your favorite airline to Singapore

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