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 20m.

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 08m on average. If you fly from Baltimore (another popular airport in Washington, D.C.) to Singapore, then the average flight time is 23h 15m.

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 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 43% of people opting to fly with this airline when traveling to Singapore. Keep in mind that there are 10 different airlines that fly to Singapore on a routine basis, so you have a few additional options to choose from.

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.

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

IndiGo and Air Canada are the most popular carriers operating from Washington, D.C. to Singapore Changi

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

Istanbul (IST) was the most common stop: 54% of momondo users choosing 1-stop flights on this route connected there.

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 August 2025, there are 10 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.

$254 Cheap Flights from Washington, D.C. to Singapore in 2025

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Round-trip

One-way

Last minute

Cheap round-trip flights

5:35 am - 11:20 pmBWI-SIN

29h 45m2 stops

2:35 pm - 10:28 amSIN-BWI

31h 53m3 stops

$868

Find Deal

Mon, Oct 6 - Mon, Oct 13

5:45 am - 11:20 pmBWI-SIN

29h 35m2 stops

2:35 pm - 7:01 amSIN-BWI

28h 26m2 stops

$881

Find Deal

Sat, Sep 13 - Sun, Sep 21

9:40 am - 7:05 amDCA-SIN

33h 25m2 stops

9:10 am - 8:59 amSIN-DCA

35h 49m2 stops

$895Air Canada

Find Deal

Sun, Sep 14 - Thu, Sep 25

1:30 pm - 5:15 pmIAD-SIN

39h 45m2 stops

7:45 pm - 7:45 pmSIN-IAD

36h 00m2 stops

$907IndiGo

Find Deal

Wed, Sep 24 - Tue, Sep 30

4:35 pm - 7:05 amDCA-SIN

50h 30m2 stops

9:10 am - 8:59 amSIN-DCA

35h 49m2 stops

$917Air Canada

Find Deal

Sat, Sep 13 - Sat, Sep 20

9:40 pm - 5:45 pmIAD-SIN

32h 05m2 stops

7:45 pm - 7:45 pmSIN-IAD

36h 00m2 stops

$920IndiGo

Find Deal

Thu, Sep 11 - Tue, Sep 30

8:00 am - 5:45 pmDCA-SIN

44h 45m1 stop

8:45 pm - 8:55 pmSIN-DCA

37h 10m1 stop

$947Singapore Airlines

Find Deal

Wed, Jan 21 - Wed, Jan 28

7:43 am - 5:45 pmIAD-SIN

46h 02m1 stop

9:00 am - 6:23 amSIN-IAD

34h 23m1 stop

$1,001Singapore Airlines

Find Deal

Sat, Nov 1 - Sat, Nov 8

9:40 pm - 5:55 pmIAD-SIN

32h 15m1 stop

11:10 pm - 11:45 amSIN-IAD

24h 35m1 stop

$1,033Turkish Airlines

Find Deal

Wed, Sep 17 - Wed, Sep 24

1:30 pm - 5:55 pmIAD-SIN

40h 25m1 stop

10:15 am - 11:45 amSIN-IAD

37h 30m1 stop

$1,038Turkish Airlines

Find Deal

Thu, Sep 11 - Thu, Oct 2

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

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

Turkish Airlines

Sep 2

IAD1:30 pmWashington, D.C. Dulles Intl

31h 15m

1 stop

SIN8:45 amSingapore Changi

Sep 10

SIN11:10 pmSingapore Changi

24h 35m

1 stop

IAD11:45 amWashington, D.C. Dulles Intl

$1,027

Find similar

Turkish Airlines

Sep 17

IAD9:40 pmWashington, D.C. Dulles Intl

32h 15m

1 stop

SIN5:55 pmSingapore Changi

Sep 24

SIN11:10 pmSingapore Changi

24h 35m

1 stop

IAD11:45 amWashington, D.C. Dulles Intl

$1,033

Find similar

Turkish Airlines

Sep 11

IAD1:30 pmWashington, D.C. Dulles Intl

40h 25m

1 stop

SIN5:55 pmSingapore Changi

Oct 2

SIN10:15 amSingapore Changi

37h 30m

1 stop

IAD11:45 amWashington, D.C. Dulles Intl

$1,038

Find similar

Air Canada flights from Washington, D.C. to Singapore

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

Air Canada

Sep 14

DCA9:40 amWashington, D.C. Reagan-National

33h 25m

2 stops

SIN7:05 amSingapore Changi

Sep 25

SIN9:10 amSingapore Changi

35h 49m

2 stops

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

$895

Find similar

Air Canada

Sep 13

DCA4:35 pmWashington, D.C. Reagan-National

50h 30m

2 stops

SIN7:05 amSingapore Changi

Sep 20

SIN9:10 amSingapore Changi

35h 49m

2 stops

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

$917

Find similar

Air Canada

Sep 13

DCA4:35 pmWashington, D.C. Reagan-National

50h 30m

2 stops

SIN7:05 amSingapore Changi

Sep 20

SIN9:10 amSingapore Changi

35h 49m

2 stops

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

$918

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

Mon 10/6

5:35 am-11:20 pm

2 stops29h 45m

Singapore Changi

Mon 10/13

2:35 pm-10:28 am

3 stops31h 53m

$868

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Sat 9/13

5:45 am-11:20 pm

2 stops29h 35m

Singapore Changi

Sun 9/21

2:35 pm-7:01 am

2 stops28h 26m

$881

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sun 9/14

9:40 am-7:05 am

2 stops33h 25m

Singapore Changi

Thu 9/25

9:10 am-8:59 am

2 stops35h 49m

$895

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 9/24

1:30 pm-5:15 pm

2 stops39h 45m

Singapore Changi

Tue 9/30

7:45 pm-7:45 pm

2 stops36h 00m

$907

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sat 9/13

4:35 pm-7:05 am

2 stops50h 30m

Singapore Changi

Sat 9/20

9:10 am-8:59 am

2 stops35h 49m

$917

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 9/11

9:40 pm-5:45 pm

2 stops32h 05m

Singapore Changi

Tue 9/30

7:45 pm-7:45 pm

2 stops36h 00m

$920

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 1/21

8:00 am-5:45 pm

1 stop44h 45m

Singapore Changi

Wed 1/28

8:45 pm-8:55 pm

1 stop37h 10m

$947

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 11/1

7:43 am-5:45 pm

1 stop46h 02m

Singapore Changi

Sat 11/8

9:00 am-6:23 am

1 stop34h 23m

$1,001

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 9/17

9:40 pm-5:55 pm

1 stop32h 15m

Singapore Changi

Wed 9/24

11:10 pm-11:45 am

1 stop24h 35m

$1,033

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 9/11

1:30 pm-5:55 pm

1 stop40h 25m

Singapore Changi

Thu 10/2

10:15 am-11:45 am

1 stop37h 30m

$1,038

Flights are sorted by cheapest round-trip flights first.

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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 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 $747. 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 $1,187 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 $1,016 on momondo.

Can stopping save me money on Washington, D.C. to Singapore flights?

You could potentially save up to 15% on your flight if you consider stops on a Washington, D.C. to Singapore flight.

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

As of August 2025, prices for Washington, D.C. to Singapore flights are approximately 13% 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 26h 10m.
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 August 2025, there are 10 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 30% of all bookings. The subsequent popular airlines are Qatar Airways at 19%, United Airlines at 19%, and Korean Air at 6%.

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 2,929 reviews	Search Air India flights
Turkish Airlines	PriceFrom $819	Free Cancellation	Rating 7.3 3,955 reviews	Search Turkish Airlines flights
Etihad Airways	PriceFrom $833	Free Cancellation	Rating 7.4 1,241 reviews	Search Etihad Airways flights
Air Canada	PriceFrom $938	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
Korean Air	PriceFrom $944	Free Cancellation	Rating 8.4 1,133 reviews	Search Korean Air flights
Qatar Airways	PriceFrom $996	Free Cancellation	Rating 7.4 3,611 reviews	Search Qatar Airways flights
JetBlue	PriceFrom $1,024	Free Cancellation	Rating 7.2 2,920 reviews	Search JetBlue flights
Alaska Airlines	PriceFrom $1,066	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $1,100	Free Cancellation	Rating 7.4 8,944 reviews	Search United Airlines flights
American Airlines	PriceFrom $1,196	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines 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 $254

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 11/11. 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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Find the cheapest flights from Washington, D.C. to Singapore

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

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

Air Canada flights from Washington, D.C. to Singapore

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

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

See travel insights to Singapore from

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 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?

Can stopping save me money on Washington, D.C. to Singapore flights?

You could potentially save up to 15% on your flight if you consider stops on a Washington, D.C. to Singapore flight.

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

As of August 2025, prices for Washington, D.C. to Singapore flights are approximately 13% 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 and Air Canada 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: 54% 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 20m.

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