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

A quick flight from Singapore to Washington, D.C. can take about 22h 30m. Air China provides one of the quickest options available for as low as S$ 1,013. 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 - Baltimore/Washington, Singapore Changi - Washington, D.C. Reagan-National or Singapore Changi - Washington, D.C. Dulles Intl, 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$ 690+ 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 1 September 2026.

Fri 16-1009:00 -

1 stop22h 30m

Fri 23-1023:00 -

1 stop29h 15m

Deal found 1-9S$ 1,013

Mon 19-1017:55 -

1 stop37h 35m

Fri 23-1023:00 -

1 stop34h 55m

Deal found 28-8S$ 1,168

Thu 3-917:55 -

1 stop37h 35m

Tue 8-923:00 -

1 stop43h 50m

Deal found 31-8S$ 1,212

Mon 23-1117:45 -

1 stop37h 45m

Tue 1-1222:00 -

1 stop29h 15m

Deal found 28-8S$ 1,324

Thu 15-1021:00 -

2 stops39h 34m

Thu 22-1005:40 -

2 stops40h 00m

Deal found 31-8S$ 1,340

Sun 27-901:55 -

2 stops26h 34m

Mon 5-1010:13 -

2 stops31h 57m

Deal found 30-8S$ 1,344

Sat 10-1001:55 -

2 stops31h 50m

Sun 18-1006:00 -

2 stops36h 10m

Deal found 27-8S$ 1,345

Mon 12-1023:25 -

1 stop32h 05m

Mon 19-1015:10 -

1 stop30h 30m

Deal found 28-8S$ 1,356

Thu 26-1117:45 -

1 stop37h 45m

Tue 1-1222:00 -

1 stop29h 15m

Deal found 28-8S$ 1,359

Tue 13-1021:00 -

2 stops39h 34m

Tue 20-1005:40 -

2 stops40h 00m

Deal found 29-8S$ 1,372

Thu 15-1023:25 -

1 stop32h 05m

Thu 22-1015:10 -

1 stop30h 30m

Deal found 31-8S$ 1,373

Sun 22-1114:50 -

2 stops64h 40m

Tue 1-1222:00 -

1 stop29h 15m

Deal found 28-8S$ 1,382

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 1 September 2026.

Fri 16-1009:00 -

1 stop22h 30m

Fri 23-1023:00 -

1 stop29h 15m

Deal found 1-9S$ 1,013

Thu 15-1011:10 -

3 stops34h 35m

Thu 22-1011:05 -

1 stop40h 40m

Deal found 31-8S$ 1,458

Wed 14-1001:55 -

2 stops24h 33m

Thu 22-1007:45 -

2 stops28h 35m

Deal found 31-8S$ 1,481

Wed 11-1102:20 -

2 stops28h 33m

Mon 16-1107:18 -

2 stops34h 22m

Deal found 29-8S$ 1,500

Thu 12-1119:25 -

1 stop26h 40m

Mon 16-1114:35 -

1 stop30h 00m

Deal found 29-8S$ 1,518

Mon 28-920:35 -

2 stops25h 11m

Mon 5-1017:59 -

1 stop36h 36m

Deal found 30-8S$ 1,634

Fri 16-1009:00 -

1 stop22h 30m

Fri 23-1007:50 -

2 stops37h 50m

Deal found 1-9S$ 1,480

Tue 2-202:20 -

2 stops28h 43m

Sun 7-210:13 -

2 stops31h 27m

Deal found 30-8S$ 1,500

Thu 21-123:55 -

1 stop31h 35m

Fri 21-523:00 -

1 stop34h 55m

Deal found 30-8S$ 1,561

Mon 23-1119:25 -

1 stop26h 40m

Sun 29-1114:35 -

1 stop30h 00m

Deal found 28-8S$ 1,621

Wed 14-1020:35 -

2 stops29h 49m

Wed 21-1017:59 -

1 stop24h 16m

Deal found 30-8S$ 1,634

Thu 21-114:25 -

2 stops40h 34m

Fri 21-509:30 -

2 stops39h 05m

Deal found 30-8S$ 1,543

Thu 12-1108:15 -

2 stops34h 29m

Mon 16-1107:46 -

2 stops28h 04m

Deal found 30-8S$ 1,583

Tue 13-1020:35 -

2 stops27h 24m

Tue 20-1017:59 -

1 stop24h 16m

Deal found 28-8S$ 1,637

Thu 21-114:25 -

2 stops39h 52m

Fri 21-508:15 -

2 stops40h 20m

Deal found 30-8S$ 1,616

Fri 11-920:35 -

2 stops27h 24m

Mon 14-912:57 -

2 stops29h 18m

Deal found 28-8S$ 1,639

Tue 13-1002:00 -

2 stops33h 55m

Wed 21-1006:15 -

3 stops42h 15m

Deal found 29-8S$ 1,623

Thu 12-1122:20 -

2 stops25h 09m

Mon 16-1118:34 -

1 stop24h 26m

Deal found 30-8S$ 1,686

Tue 1-1214:25 -

2 stops28h 56m

Fri 4-1210:40 -

2 stops37h 25m

Deal found 27-8S$ 1,629

Thu 17-920:35 -

1 stop22h 40m

Thu 24-906:05 -

2 stops36h 10m

Deal found 31-8S$ 1,686

Tue 13-1020:35 -

2 stops25h 55m

Tue 20-1008:05 -

1 stop34h 10m

Deal found 28-8S$ 1,688

Sat 31-1014:25 -

3 stops43h 35m

Thu 26-1107:00 -

2 stops41h 05m

Deal found 30-8S$ 1,705

Fri 16-1008:45 -

1 stop44h 10m

Fri 23-1012:57 -

2 stops29h 18m

Deal found 1-9S$ 1,721

Sun 11-1008:45 -

1 stop26h 08m

Sun 18-1014:40 -

2 stops27h 35m

Deal found 27-8S$ 1,723

Wed 3-210:45 -

2 stops44h 38m

Sun 7-217:55 -

1 stop37h 20m

Deal found 29-8S$ 1,788

Thu 28-110:45 -

2 stops44h 38m

Mon 1-217:55 -

1 stop25h 05m

Deal found 31-8S$ 1,791

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

Round-trip from	S$ 1,168
One-way from	S$ 690
Popular in	July
Cheapest in	September
Average price	S$ 1,188

Air China
19-10-23-10
2 total stops
72h 30m total
Singapore to Washington, D.C.

Search Deals

Air China
2-11
1 total stop
37h 45m total
Singapore to Washington, D.C.

Search Deals

Highest demand for flights based on searches. 17% potential increase in price (S$ 498 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease (S$ 157 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 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

Fri 16-10

09:00-19:30

1 stop22h 30m

Washington, D.C. Dulles Intl

Fri 23-10

23:00-16:15

1 stop29h 15m

S$ 1,013

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Thu 15-10

11:10-09:45

3 stops34h 35m

Washington, D.C. Dulles Intl

Thu 22-10

11:05-15:45

1 stop40h 40m

S$ 1,458

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Fri 16-10

09:00-19:30

1 stop22h 30m

Washington, D.C. Dulles Intl

Fri 23-10

07:50-09:40

2 stops37h 50m

S$ 1,480

SingaporeWashington, D.C.

SIN Singapore Changi - DCA Washington, D.C. Reagan-National

SINDCA

Singapore Changi

Wed 14-10

01:55-14:28

2 stops24h 33m

Washington, D.C. Reagan-National

Thu 22-10

07:45-00:20

2 stops28h 35m

S$ 1,481

SingaporeBaltimore

SIN Singapore Changi - BWI Baltimore/Washington

SINBWI

Singapore Changi

Wed 11-11

02:20-17:53

2 stops28h 33m

Baltimore/Washington

Mon 16-11

07:18-06:40

2 stops34h 22m

S$ 1,500

SingaporeWashington, D.C.

SIN Singapore Changi - DCA Washington, D.C. Reagan-National

SINDCA

Singapore Changi

Tue 2-2

02:20-18:03

2 stops28h 43m

Washington, D.C. Reagan-National

Sun 7-2

10:13-06:40

2 stops31h 27m

S$ 1,500

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Thu 12-11

19:25-09:05

1 stop26h 40m

Washington, D.C. Dulles Intl

Mon 16-11

14:35-09:35

1 stop30h 00m

S$ 1,518

SingaporeWashington, D.C.

SIN Singapore Changi - DCA Washington, D.C. Reagan-National

SINDCA

Singapore Changi

Thu 21-1

14:25-17:59

2 stops40h 34m

Washington, D.C. Reagan-National

Fri 21-5

09:30-12:35

2 stops39h 05m

S$ 1,543

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Thu 21-1

23:55-18:30

1 stop31h 35m

Washington, D.C. Dulles Intl

Fri 21-5

23:00-21:55

1 stop34h 55m

S$ 1,561

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Thu 12-11

08:15-05:44

2 stops34h 29m

Washington, D.C. Dulles Intl

Mon 16-11

07:46-00:50

2 stops28h 04m

S$ 1,583

Flights are sorted by cheapest return flights first.

Deals found on 27-8

Showing 1-10 of 49 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-BWI

SIN-DCA

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-BWI

SIN-DCA

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

Currently, February is the cheapest month in which you can book a flight from Singapore to Washington, D.C. (average of S$ 1,434). Flying from Singapore to Washington, D.C. in November is currently the most expensive (average of S$ 3,976). 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

7.4

Good

10,157 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

7.4

Good

10,157 reviews

United Airlines

7.4

Good

10,157 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 22h 30m. Air China provides one of the quickest options available for as low as S$ 1,013. 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 - Baltimore/Washington, Singapore Changi - Washington, D.C. Reagan-National or Singapore Changi - Washington, D.C. Dulles Intl, 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, February is the cheapest month in which you can book a flight from Singapore to Washington, D.C. (average of S$ 1,434). Flying from Singapore to Washington, D.C. in November is currently the most expensive (average of S$ 3,976). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to United States

Flights by cabin class

Other flight options

Popular flights

Top destinations

Alternative routes for Singapore to Washington, D.C.

Singapore to Dulles Intl flights

Singapore to Reagan-National flights

Top 2 airlines flying from Singapore to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
Qatar Airways	CheapestS$ 1,763	AverageS$ 1,838	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways flights
ANA	CheapestS$ 2,218	AverageS$ 2,367	FlexibilityNo cancel fee	On-time80%	Search ANA flights

Fly with Cheapflights

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.

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

Yes! Start tracking prices for Singapore to Washington, D.C. flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Singapore to Washington, D.C. from S$ 690

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2-11. 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 1 September 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 1 September 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 1 September 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 1 September 2026.

Last-minute flights from Singapore to Washington, D.C.Discover last-minute flight deals from Singapore to Washington, D.C.. Data last updated 1 September 2026 and is based on user searches.

Discover last-minute flight deals from Singapore to Washington, D.C.. Data last updated 1 September 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 1 September 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 1 September 2026.

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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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 1 September 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 2 airlines flying from Singapore to Washington, D.C.

Fly with Cheapflights

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?

100% Free

Book With Flexibility

Travel Smart

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 1 September 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 1 September 2026.

Last-minute flights from Singapore to Washington, D.C.
Discover last-minute flight deals from Singapore to Washington, D.C.. Data last updated 1 September 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 1 September 2026.