How long is the flight from Singapore to Washington, D.C.?

A quick flight from Singapore to Washington, D.C. can take about 25h 30m. Japan Airlines provides one of the quickest options available for as low as S$ 1,306. The distance between Singapore and Washington, D.C. is about 15521 km. Both multi-stop and direct flights can be found to your destination and back.

In terms of precipitation, rainfall in Washington, D.C. ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. when rainfall is around 66.0 mm.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

What are the most popular routes from Singapore to Washington, D.C.?

When deciding which route to take from Singapore to Washington, D.C., consider Singapore Changi - Washington, D.C. Dulles Intl, Singapore Changi - Baltimore/Washington or Singapore Changi - Washington, D.C. Reagan-National, as they are the most popular.

What is the cheapest time of day to fly from SG to WAS?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Singapore to Washington, D.C. as you normally would.

Can I find deals for flights from Singapore to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on Singapore to Washington, D.C. flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Singapore to Washington, D.C.?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Singapore to Washington, D.C..

Can I find deals for business class flights from Singapore to Washington, D.C.?

Yes. Cheapflights offers flight deals from Singapore to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

S$ 517+ Cheap Flights from Singapore to Washington, D.C.

Cheap flight deals from Singapore to Washington, D.C.

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Singapore to Washington, D.C.
Explore the most affordable flight options available from Singapore to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 October 2026.

Thu 29-1017:45 -

1 stop37h 45m

Tue 10-1122:00 -

1 stop34h 55m

Deal found 18-10S$ 1,058

Sun 18-1005:25 -

1 stop42h 05m

Mon 2-1114:30 -

1 stop38h 10m

Deal found 14-10S$ 1,267

Wed 2-1223:15 -

1 stop33h 10m

Wed 9-1221:20 -

1 stop31h 20m

Deal found 18-10S$ 1,273

Mon 30-1111:40 -

1 stop44h 45m

Mon 7-1221:20 -

1 stop44h 30m

Deal found 15-10S$ 1,274

Tue 22-1223:15 -

1 stop25h 30m

Thu 31-1213:30 -

1 stop28h 20m

Deal found 15-10S$ 1,288

Wed 28-1013:40 -

2 stops65h 50m

Fri 13-1122:00 -

1 stop43h 50m

Deal found 18-10S$ 1,304

Tue 1-1223:15 -

1 stop25h 30m

Tue 8-1221:20 -

1 stop31h 20m

Deal found 17-10S$ 1,306

Tue 10-1123:15 -

1 stop25h 30m

Sun 15-1121:20 -

1 stop22h 25m

Deal found 15-10S$ 1,317

Mon 9-1102:20 -

2 stops31h 40m

Sun 15-1106:00 -

2 stops35h 40m

Deal found 15-10S$ 1,348

Wed 2-1202:20 -

2 stops26h 46m

Thu 10-1205:00 -

2 stops36h 40m

Deal found 19-10S$ 1,499

Wed 28-1002:20 -

2 stops28h 45m

Sun 8-1117:14 -

2 stops48h 26m

Deal found 19-10S$ 1,505

Wed 2-1222:25 -

2 stops30h 41m

Wed 9-1210:20 -

2 stops31h 20m

Deal found 18-10S$ 1,507

Best flights from Singapore to Washington, D.C.
Discover carefully curated flight deals from Singapore to Washington, D.C. that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 October 2026.

Wed 3-222:25 -

2 stops30h 34m

Sun 7-217:19 -

2 stops48h 21m

Deal found 15-10S$ 1,293

Tue 1-1223:15 -

1 stop25h 30m

Tue 8-1221:20 -

1 stop31h 20m

Deal found 17-10S$ 1,306

Tue 10-1115:00 -

2 stops42h 35m

Sun 15-1111:50 -

1 stop28h 10m

Deal found 15-10S$ 1,494

Tue 10-1114:45 -

2 stops27h 59m

Sun 15-1117:17 -

2 stops31h 08m

Deal found 15-10S$ 1,633

Tue 10-1122:20 -

2 stops29h 07m

Sun 15-1107:45 -

1 stop47h 30m

Deal found 15-10S$ 1,633

Tue 1-1221:20 -

2 stops48h 15m

Tue 8-1210:35 -

2 stops44h 45m

Deal found 17-10S$ 1,771

Sun 31-102:20 -

2 stops43h 02m

Wed 17-211:15 -

2 stops41h 10m

Deal found 15-10S$ 1,503

Tue 27-1010:25 -

1 stop38h 20m

Mon 9-1121:20 -

1 stop23h 40m

Deal found 18-10S$ 1,636

Wed 3-222:20 -

2 stops24h 08m

Wed 17-207:45 -

1 stop35h 15m

Deal found 15-10S$ 1,643

Wed 28-1002:20 -

2 stops28h 45m

Tue 10-1106:00 -

2 stops35h 40m

Deal found 19-10S$ 1,505

Tue 1-1210:25 -

1 stop46h 00m

Tue 8-1207:00 -

2 stops28h 50m

Deal found 17-10S$ 1,657

Thu 29-1012:30 -

2 stops32h 45m

Mon 9-1110:35 -

2 stops44h 45m

Deal found 19-10S$ 1,773

Wed 28-1002:20 -

2 stops28h 45m

Wed 11-1106:00 -

2 stops53h 50m

Deal found 19-10S$ 1,518

Tue 1-1214:25 -

2 stops39h 35m

Tue 8-1211:35 -

2 stops36h 30m

Deal found 17-10S$ 1,677

Thu 12-1122:20 -

1 stop32h 06m

Mon 16-1118:34 -

1 stop24h 26m

Deal found 14-10S$ 1,684

Thu 29-1005:10 -

1 stop43h 35m

Mon 9-1121:20 -

1 stop31h 20m

Deal found 18-10S$ 1,686

Fri 30-1011:40 -

1 stop37h 05m

Tue 10-1121:20 -

1 stop31h 20m

Deal found 18-10S$ 1,686

Wed 3-210:45 -

2 stops44h 59m

Sun 7-217:54 -

1 stop37h 21m

Deal found 14-10S$ 1,697

Thu 12-1122:25 -

2 stops32h 28m

Mon 16-1107:18 -

2 stops34h 22m

Deal found 14-10S$ 1,574

Thu 3-1214:05 -

3 stops35h 06m

Thu 10-1213:05 -

3 stops33h 45m

Deal found 18-10S$ 1,877

Mon 30-1102:20 -

2 stops26h 46m

Tue 8-1210:20 -

2 stops31h 20m

Deal found 17-10S$ 1,574

Thu 29-1010:25 -

1 stop46h 00m

Sun 8-1113:30 -

1 stop30h 15m

Deal found 19-10S$ 1,735

Thu 29-1010:10 -

1 stop31h 33m

Mon 9-1108:00 -

1 stop35h 00m

Deal found 18-10S$ 1,778

Sat 31-1004:35 -

1 stop45h 10m

Fri 13-1113:30 -

1 stop28h 20m

Deal found 18-10S$ 1,735

Wed 2-1222:20 -

1 stop21h 32m

Wed 9-1208:00 -

2 stops33h 55m

Deal found 18-10S$ 1,843

Thu 29-1010:10 -

1 stop31h 33m

Thu 12-1106:10 -

2 stops29h 35m

Deal found 19-10S$ 1,845

Find flight deals from Singapore to Washington, D.C.

Round-trip from	S$ 1,058
One-way from	S$ 517
Popular in	July
Cheapest in	November
Average price	S$ 1,728

Air China
29-10-10-11
2 total stops
72h 40m total
Singapore to Washington, D.C.

Search Deals

Air China
23-10-31-12
1 total stop
22h 30m total
Singapore to Washington, D.C.

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (S$ 390 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease (S$ 149 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Cheapflights 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 return flight

SingaporeWashington, D.C.

SIN Singapore Changi - IAD Washington, D.C. Dulles Intl

SINIAD

Singapore Changi

Wed 23-12

19:25-09:00

1 stop26h 35m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 648

SingaporeWashington, D.C.

SIN Singapore Changi - IAD Washington, D.C. Dulles Intl

SINIAD

Singapore Changi

Thu 24-12

19:25-09:00

1 stop26h 35m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 650

SingaporeWashington, D.C.

SIN Singapore Changi - IAD Washington, D.C. Dulles Intl

SINIAD

Singapore Changi

Wed 16-12

19:25-09:00

1 stop26h 35m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 650

SingaporeWashington, D.C.

SIN Singapore Changi - IAD Washington, D.C. Dulles Intl

SINIAD

Singapore Changi

Thu 3-12

17:45-18:30

1 stop37h 45m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 766

SingaporeWashington, D.C.

SIN Singapore Changi - IAD Washington, D.C. Dulles Intl

SINIAD

Singapore Changi

Sat 28-11

10:25-11:45

1 stop38h 20m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 893

SingaporeWashington, D.C.

SIN Singapore Changi - IAD Washington, D.C. Dulles Intl

SINIAD

Singapore Changi

Wed 9-12

11:40-11:45

1 stop37h 05m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 932

SingaporeWashington, D.C.

SIN Singapore Changi - IAD Washington, D.C. Dulles Intl

SINIAD

Singapore Changi

Tue 15-12

23:15-11:45

1 stop25h 30m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 932

SingaporeWashington, D.C.

SIN Singapore Changi - IAD Washington, D.C. Dulles Intl

SINIAD

Singapore Changi

Sun 20-12

14:25-05:45

2 stops28h 20m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 978

SingaporeWashington, D.C.

SIN Singapore Changi - IAD Washington, D.C. Dulles Intl

SINIAD

Singapore Changi

Sat 12-12

23:15-11:45

1 stop25h 30m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 981

SingaporeWashington, D.C.

SIN Singapore Changi - IAD Washington, D.C. Dulles Intl

SINIAD

Singapore Changi

Fri 11-12

11:40-11:45

1 stop37h 05m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 982

Flights are sorted by cheapest return flights first.

Deals found on 16-10

Showing 1-10 of 50 resultsSorted by cheapest first

...

Best time to book a flight from Singapore to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Singapore with our price prediction graph.

SIN-IAD

SIN-DCA

SIN-BWI

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Singapore to Washington, D.C.

SG0-WAS

SIN-IAD

SIN-DCA

SIN-BWI

What is the cheapest month to book a flight from Singapore to Washington, D.C.?

Currently, November is the cheapest month in which you can book a flight from Singapore to Washington, D.C. (average of S$ 1,342). Flying from Singapore to Washington, D.C. in July is currently the most expensive (average of S$ 3,182). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Washington, D.C.

Check out reviews from past customers who have flown with United Airlines from Singapore to Washington, D.C. to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.3

Good

10,388 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

United Airlines

7.3

Good

10,388 reviews

United Airlines

7.3

Good

10,388 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

How long is the flight from Singapore to Washington, D.C.?
A quick flight from Singapore to Washington, D.C. can take about 25h 30m. Japan Airlines provides one of the quickest options available for as low as S$ 1,306. The distance between Singapore and Washington, D.C. is about 15521 km. Both multi-stop and direct flights can be found to your destination and back.
What are the most popular routes from Singapore to Washington, D.C.?
When deciding which route to take from Singapore to Washington, D.C., consider Singapore Changi - Washington, D.C. Dulles Intl, Singapore Changi - Baltimore/Washington or Singapore Changi - Washington, D.C. Reagan-National, as they are the most popular.
Can I find deals for flights from Singapore to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Singapore to Washington, D.C. flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Singapore to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Singapore to Washington, D.C..
Can I find deals for business class flights from Singapore to Washington, D.C.?
Yes. Cheapflights offers flight deals from Singapore to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Singapore to Washington, D.C.?
Currently, November is the cheapest month in which you can book a flight from Singapore to Washington, D.C. (average of S$ 1,342). Flying from Singapore to Washington, D.C. in July is currently the most expensive (average of S$ 3,182). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Singapore to Washington, D.C.

Singapore to Dulles Intl flights

Singapore to Reagan-National flights

Top airline flying from Singapore to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
ANA	CheapestS$ 2,229	AverageS$ 2,379	FlexibilityNo cancel fee	On-time80%	Search ANA flights

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How does Cheapflights help users find flights from Singapore to Washington, D.C.?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Singapore to Washington, D.C.. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Singapore to Washington, D.C.?

Cheapflights helps you find that perfect flight to Washington, D.C. from Singapore by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Singapore to Washington, D.C. with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Singapore to Washington, D.C. flexibly with Cheapflights today.

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Cheap flights from Singapore to Washington, D.C. from S$ 517

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23-10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Singapore to Washington, D.C.

Cheapest flights from Singapore to Washington, D.C.Explore the most affordable flight options available from Singapore to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 October 2026.

Explore the most affordable flight options available from Singapore to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 October 2026.

Best flights from Singapore to Washington, D.C.Discover carefully curated flight deals from Singapore to Washington, D.C. that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 October 2026.

Discover carefully curated flight deals from Singapore to Washington, D.C. that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 October 2026.

Last-minute flights from Singapore to Washington, D.C.Discover last-minute flight deals from Singapore to Washington, D.C.. Data last updated 19 October 2026 and is based on user searches.

Discover last-minute flight deals from Singapore to Washington, D.C.. Data last updated 19 October 2026 and is based on user searches.

One-way flights from Singapore to Washington, D.C.Search for one-way flight options from Singapore to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated 19 October 2026.

Search for one-way flight options from Singapore to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated 19 October 2026.

Find flight deals from Singapore to Washington, D.C.

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

Best time to book a flight from Singapore to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Singapore with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Singapore to Washington, D.C.?

Reviews of airlines servicing Washington, D.C.

Check out reviews from past customers who have flown with United Airlines from Singapore to Washington, D.C. to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from Singapore to Washington, D.C.?

What are the most popular routes from Singapore to Washington, D.C.?

Can I find deals for flights from Singapore to Washington, D.C. that include hotel bookings?

How can I find direct flights from Singapore to Washington, D.C.?

Can I find deals for business class flights from Singapore to Washington, D.C.?

What is the cheapest month to book a flight from Singapore to Washington, D.C.?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Singapore to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Washington, D.C. by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to United States

Book a non-stop flight to one of these other cities located in United States.

Search flights from Singapore to Washington, D.C. by cabin class

Find flights from Singapore to Washington, D.C., based on your preferred cabin class, be it economy, premium economy, business, or first class.

Singapore and Washington, D.C. flights

Browse other Singapore and Washington, D.C. flight options. Last updated on 19 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Singapore to Washington, D.C. flights

Consider these flights travelling from Singapore to Washington, D.C..

Top airline flying from Singapore to Washington, D.C.

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How does Cheapflights help users find flights from Singapore to Washington, D.C.?

Why should you use Cheapflights to find cheap flight tickets from Singapore to Washington, D.C.?

Can Cheapflights find flights from Singapore to Washington, D.C. with no change fees?

Can Cheapflights notify me if prices for flights from Singapore to Washington, D.C. become cheaper?

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Cheapest flights from Singapore to Washington, D.C.
Explore the most affordable flight options available from Singapore to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 October 2026.

Best flights from Singapore to Washington, D.C.
Discover carefully curated flight deals from Singapore to Washington, D.C. that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 October 2026.

Last-minute flights from Singapore to Washington, D.C.
Discover last-minute flight deals from Singapore to Washington, D.C.. Data last updated 19 October 2026 and is based on user searches.

One-way flights from Singapore to Washington, D.C.
Search for one-way flight options from Singapore to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated 19 October 2026.