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

San Francisco (SFO) has the shortest average layover time for this route: 1h 32m.

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

Air China is the most popular carrier operating from Singapore Changi to Washington, D.C.

What airlines fly to Washington, D.C.?

United Airlines, Air China and EVA Air are the top three most popular airlines that fly to Washington, D.C. from Singapore according to our data. United Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 3 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

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

Flights connecting via San Francisco (SFO) have the shortest average one-way travel time: 22h 37m.

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

Beijing (PEK) was the most common stop: 38% of momondo users choosing 1-stop flights on this route connected there.

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

Flights via Incheon (ICN) offer the lowest average round-trip price of $941.

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

Prices for flights from Singapore Changi Airport to Washington, D.C. are updated daily.

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

As of July 2026, there are 3 operators available to choose from for flights from Singapore Changi Airport to Washington, D.C..

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Singapore Changi Airport to Washington, D.C..

What documentation or ID do you need to fly to Washington, D.C.?

The required travel and health documents for your Washington, D.C. 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 Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$537 Cheap Flights from Singapore to Washington, D.C. in 2026

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:00 am - 7:30 pm

SIN

IAD

28h 30m

2 stops

11:00 pm - 4:25 pm

IAD

SIN

29h 25m

1 stop

$1,000Air China

Mon, Sep 7 - Tue, Sep 15

11:25 pm - 7:30 pm

SIN

IAD

32h 05m

1 stop

3:10 pm - 9:40 am

IAD

SIN

30h 30m

1 stop

$1,003Multiple Airlines

Mon, Sep 21 - Mon, Sep 28

9:00 am - 7:30 pm

SIN

IAD

22h 30m

1 stop

11:00 pm - 4:25 pm

IAD

SIN

29h 25m

1 stop

$1,036Air China

Fri, Sep 4 - Tue, Sep 15

11:25 pm - 7:30 pm

SIN

IAD

32h 05m

1 stop

3:10 pm - 9:40 am

IAD

SIN

30h 30m

1 stop

$1,054Multiple Airlines

Mon, Sep 7 - Mon, Sep 14

1:55 am - 4:29 pm

SIN

DCA

26h 34m

2 stops

6:00 am - 6:10 am

DCA

SIN

36h 10m

2 stops

$1,105Japan Airlines

Thu, Sep 3 - Tue, Sep 15

8:05 am - 10:52 pm

SIN

IAD

26h 47m

2 stops

6:09 am - 6:10 am

IAD

SIN

36h 01m

2 stops

$1,118Japan Airlines

Thu, Aug 20 - Thu, Aug 27

9:50 pm - 4:29 pm

SIN

DCA

30h 39m

2 stops

8:26 am - 12:20 am

DCA

SIN

27h 54m

2 stops

$1,119Japan Airlines

Wed, Sep 9 - Wed, Sep 16

11:25 pm - 7:30 pm

SIN

IAD

32h 05m

1 stop

3:10 pm - 7:40 am

IAD

SIN

28h 30m

2 stops

$1,120Multiple Airlines

Mon, Sep 21 - Mon, Sep 28

1:55 am - 6:27 pm

SIN

IAD

28h 32m

2 stops

6:52 am - 6:10 am

IAD

SIN

35h 18m

2 stops

$1,150American Airlines

Sun, Sep 6 - Mon, Sep 14

1:55 am - 4:29 pm

SIN

DCA

26h 34m

2 stops

7:32 am - 12:20 am

DCA

SIN

28h 48m

2 stops

$1,152American Airlines

Sun, Sep 6 - Mon, Sep 14

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

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

American Airlines

Sep 6

SIN1:55 amSingapore Changi

28h 32m

2 stops

IAD6:27 pmWashington, D.C. Dulles Intl

Sep 14

IAD6:52 amWashington, D.C. Dulles Intl

35h 18m

2 stops

SIN6:10 amSingapore Changi

$1,150

American Airlines

Sep 6

SIN1:55 amSingapore Changi

26h 34m

2 stops

DCA4:29 pmWashington, D.C. Reagan-National

Sep 14

DCA7:32 amWashington, D.C. Reagan-National

28h 48m

2 stops

SIN12:20 amSingapore Changi

$1,152

American Airlines

Aug 26

SIN1:55 amSingapore Changi

25h 07m

2 stops

BWI3:02 pmBaltimore/Washington

Sep 7

BWI11:54 amBaltimore/Washington

30h 16m

2 stops

SIN6:10 amSingapore Changi

$1,158

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

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

United Airlines

Nov 2

SIN10:10 amSingapore Changi

21h 51m

1 stop

IAD7:01 pmWashington, D.C. Dulles Intl

Nov 2

IAD10:29 pmWashington, D.C. Dulles Intl

32h 46m

2 stops

SIN8:15 pmSingapore Changi

$1,214

United Airlines

Aug 18

SIN8:45 amSingapore Changi

26h 14m

2 stops

IAD10:59 pmWashington, D.C. Dulles Intl

Aug 31

IAD6:42 amWashington, D.C. Dulles Intl

35h 33m

1 stop

SIN6:15 amSingapore Changi

$1,269

United Airlines

Sep 10

SIN8:45 amSingapore Changi

25h 45m

1 stop

DCA10:30 pmWashington, D.C. Reagan-National

Sep 14

DCA6:00 amWashington, D.C. Reagan-National

36h 15m

2 stops

SIN6:15 amSingapore Changi

$1,291

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 9/7

3:00 am-7:30 pm

2 stops28h 30m

Washington, D.C. Dulles Intl

Tue 9/15

11:00 pm-4:25 pm

1 stop29h 25m

$1,000

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 9/21

11:25 pm-7:30 pm

1 stop32h 05m

Washington, D.C. Dulles Intl

Mon 9/28

3:10 pm-9:40 am

1 stop30h 30m

$1,003

Quickest round-trip

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 9/4

9:00 am-7:30 pm

1 stop22h 30m

Washington, D.C. Dulles Intl

Tue 9/15

11:00 pm-4:25 pm

1 stop29h 25m

$1,036

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 9/7

11:25 pm-7:30 pm

1 stop32h 05m

Washington, D.C. Dulles Intl

Mon 9/14

3:10 pm-9:40 am

1 stop30h 30m

$1,054

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Thu 9/3

1:55 am-4:29 pm

2 stops26h 34m

Washington, D.C. Reagan-National

Tue 9/15

6:00 am-6:10 am

2 stops36h 10m

$1,105

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 8/20

8:05 am-10:52 pm

2 stops26h 47m

Washington, D.C. Dulles Intl

Thu 8/27

6:09 am-6:10 am

2 stops36h 01m

$1,118

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Wed 9/9

9:50 pm-4:29 pm

2 stops30h 39m

Washington, D.C. Reagan-National

Wed 9/16

8:26 am-12:20 am

2 stops27h 54m

$1,119

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 9/21

11:25 pm-7:30 pm

1 stop32h 05m

Washington, D.C. Dulles Intl

Mon 9/28

3:10 pm-7:40 am

2 stops28h 30m

$1,120

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 9/6

1:55 am-6:27 pm

2 stops28h 32m

Washington, D.C. Dulles Intl

Mon 9/14

6:52 am-6:10 am

2 stops35h 18m

$1,150

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Sun 9/6

1:55 am-4:29 pm

2 stops26h 34m

Washington, D.C. Reagan-National

Mon 9/14

7:32 am-12:20 am

2 stops28h 48m

$1,152

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 Singapore to Washington, D.C.

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

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

Prices are currently low for flights on this route.

Typical prices usually range from $1,650 to $1,708.
The lowest price recently found on this route was $1,000.

What is the cheapest month to fly to Washington, D.C.?

The month of August is, on average, the cheapest month to fly to Washington, D.C. from Singapore, with most prices found around $928. If you’re not able to fly to Washington, D.C. in August, then February is your next best option. Flight prices from Singapore to Washington, D.C. during February average around $1,054.

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

You could potentially save up to 19% on your flight if you consider stops on a Singapore to Washington, D.C. flight.

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

As of July 2026, prices for Singapore to Washington, D.C. flights are approximately 1% more expensive when compared to flights at the same time last year.

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

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

Estimated round-trip price

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

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

Fastest flight time	21h 51m
Direct flights	None

The fastest flight from Singapore to Washington, D.C. takes 21h 51m

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

Search flight deals

Frequently asked questions about flying from Singapore to Washington, D.C.

How far is Singapore Changi to Washington, D.C. by plane?
There are 9651.2 mi between Singapore Changi and Washington, D.C.. In terms of flight time, this usually takes a little over 21h 51m.
When did momondo last update prices for flights from Singapore Changi Airport to Washington, D.C.?
Prices for flights from Singapore Changi Airport to Washington, D.C. are updated daily.
How many operators does momondo search for flights from Singapore Changi Airport to Washington, D.C.?
As of July 2026, there are 3 operators available to choose from for flights from Singapore Changi Airport to Washington, D.C..
How old do you have to be to fly from Singapore Changi Airport to Washington, D.C.?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Singapore Changi Airport to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The required travel and health documents for your Washington, D.C. 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 Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Singapore to Washington, D.C.?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Singapore to Washington, D.C. is United Airlines (100% of total bookings).

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

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

Airline	Rating	Free Cancellation	Price
Air China	PriceFrom $1,079	Free Cancellation	Rating 7.4 157 reviews	Search Air China flights
EVA Air	PriceFrom $1,188	Free Cancellation	Rating 8.5 1,504 reviews	Search EVA Air flights
United Airlines	PriceFrom $1,219	Free Cancellation	Rating 7.4 10,043 reviews	Search United Airlines flights

Alexandria

National Harbor

Arlington

Gettysburg

Waldorf

Laurel

Woodbridge

Fredericksburg

Gaithersburg

Linthicum Heights

Rockville

Manassas

Silver Spring

Towson

Colonial Beach

Springfield

Fairfax

Tysons

Bethesda

Edgewood

Why use momondo?

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

Finding the right flight to Washington, D.C. from Singapore 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 Washington, D.C. quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Singapore with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Singapore to Washington, D.C..

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

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

An easier way to manage your Washington, D.C. trip

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Nearby airports

Airlines

Cabin classes

Other United States destinations

Other flights from Singapore

Complete your trip

Feeling lucky

Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from Singapore to Washington, D.C. from $535

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Singapore to Washington, D.C. departing on 10/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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

Cheap round-trip flights

Cheap one-way flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

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

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

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

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

momondo Fare Finder

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

See travel insights to Washington, D.C. from

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

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

What is the cheapest month to fly to Washington, D.C.?

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

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

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

What airlines fly to Washington, D.C.?

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

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

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

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

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

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

Fastest flight time

Direct flights

Frequently asked questions about flying from Singapore to Washington, D.C.

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

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

Traveling to a place near Washington, D.C.?

Why use momondo?

An easier way to manage your Washington, D.C. 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 the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.

Fly your favorite airline to Washington, D.C.

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

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Singapore

According to popular flight searches on momondo this year

Complete your trip to Washington, D.C.

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