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

For as low as S$ 1,558, Turkish Airlines can have you in Washington, D.C. Dulles Intl Airport from Singapore in 26h 35m. The distance between Singapore and Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport 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. Dulles Intl Airport when rainfall is around 66.0 mm.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 is the cheapest time of day to fly from SG to IAD?

When flying from Singapore to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Singapore to Dulles Intl that include hotel bookings?

Yes. In addition to deals on Singapore to Dulles Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Singapore to Dulles Intl?

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

Can I find deals for business class flights from Singapore to Dulles Intl?

Yes. Cheapflights offers flight deals from Singapore to Dulles Intl 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$ 570+ Cheap Flights from Singapore to Washington, D.C. Dulles Intl Airport

Cheap flight deals from Singapore to Dulles Intl

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Singapore to Dulles Intl
Explore the most affordable flight options available from Singapore to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 October 2026.

Thu 12-1117:45 -

1 stop37h 45m

Fri 27-1122:00 -

1 stop29h 15m

Deal found 13-10S$ 1,014

Mon 19-1011:10 -

1 stop36h 20m

Mon 2-1114:30 -

1 stop30h 30m

Deal found 12-10S$ 1,261

Sun 18-1005:25 -

1 stop42h 05m

Mon 2-1114:30 -

1 stop38h 10m

Deal found 14-10S$ 1,268

Tue 24-1104:35 -

1 stop27h 50m

Wed 2-1213:30 -

1 stop28h 20m

Deal found 11-10S$ 1,283

Tue 22-1223:15 -

1 stop33h 10m

Wed 3-221:20 -

1 stop23h 40m

Deal found 11-10S$ 1,289

Tue 10-1104:35 -

1 stop44h 10m

Wed 18-1121:20 -

1 stop31h 20m

Deal found 12-10S$ 1,297

Thu 26-1110:25 -

1 stop46h 00m

Thu 3-1213:30 -

1 stop28h 20m

Deal found 12-10S$ 1,331

Thu 12-1110:25 -

1 stop46h 00m

Thu 19-1121:20 -

1 stop44h 30m

Deal found 13-10S$ 1,332

Fri 13-1111:40 -

1 stop44h 45m

Thu 19-1121:20 -

1 stop44h 30m

Deal found 14-10S$ 1,335

Find flight deals from Singapore to Dulles Intl

Round-trip from	S$ 1,014
One-way from	S$ 570
Popular in	July
Cheapest in	October
Average price	S$ 1,381

Air China
12-11-27-11
2 total stops
67h 00m total
Singapore to Washington, D.C.

Search Deals

Air China
12-11-31-12
1 total stop
37h 45m total
Singapore to Washington, D.C.

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (S$ 411 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease (S$ 151 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. Dulles Intl Airport 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

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

Tue 8-12

10:25-11:45

1 stop38h 20m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 933

Fastest return journey

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Sat 21-11

05:10-19:25

1 stop27h 15m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 943

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$ 979

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Sun 13-12

14:45-05:35

2 stops27h 50m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 991

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Sat 5-12

09:15-15:40

3 stops43h 25m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 1,151

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Sun 17-1

21:00-15:40

3 stops31h 40m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 1,156

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Mon 18-1

08:15-15:40

3 stops44h 25m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 1,156

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Wed 20-1

18:35-15:40

3 stops34h 05m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 1,156

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Sun 13-12

10:40-20:15

3 stops46h 35m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 1,171

Flights are sorted by cheapest return flights first.

Deals found on 12-10

Showing 1-10 of 21 resultsSorted by cheapest first

Best time to book a flight from Singapore to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Singapore with our price prediction graph.

SIN-IAD

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. Dulles Intl Airport

SG0-IAD

SIN-IAD

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Dulles Intl

Read through reviews of airlines operating flights from Singapore to Washington, D.C. Dulles Intl Airport, such as ANA. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

ANA

8.3

Very Good

1,325 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Jun 2026

NRT - SFO

The boarding was way behind the est schedule. However it moved pretty fast after it started. It’d be more professional if they informed the passengers of any delay and progress.

ANA

8.3

Very Good

1,325 reviews

ANA

8.3

Very Good

1,325 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Jun 2026

NRT - SFO

The boarding was way behind the est schedule. However it moved pretty fast after it started. It’d be more professional if they informed the passengers of any delay and progress.

Related info for your journey

How long is the flight from Singapore to Washington, D.C. Dulles Intl Airport?
For as low as S$ 1,558, Turkish Airlines can have you in Washington, D.C. Dulles Intl Airport from Singapore in 26h 35m. The distance between Singapore and Washington, D.C. Dulles Intl Airport is about 15521 km. Both multi-stop and direct flights can be found to your destination and back.
Can I find deals for flights from Singapore to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Singapore to Dulles Intl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Singapore to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Singapore to Dulles Intl.
Can I find deals for business class flights from Singapore to Dulles Intl?
Yes. Cheapflights offers flight deals from Singapore to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

Alternative routes for Singapore to Dulles Intl

Singapore to Baltimore flights

Singapore to Dulles Intl flights

Singapore to Reagan-National flights

Top airline flying from Singapore to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
ANA	CheapestS$ 2,231	AverageS$ 2,381	FlexibilityNo cancel fee	On-time80%	Search ANA flights

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How does Cheapflights help users find flights from Singapore to Dulles Intl?

Deals for Singapore to Dulles Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Singapore to Dulles Intl?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Singapore to Dulles Intl.

Can Cheapflights find flights from Singapore to Dulles Intl with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Singapore to Dulles Intl, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Singapore to Dulles Intl become cheaper?

Not ready to book yet? You can track prices for flights from Singapore to Dulles Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Singapore to Washington, D.C. Dulles Intl Airport from S$ 570

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12-11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Singapore to Dulles Intl

Cheapest flights from Singapore to Dulles IntlExplore the most affordable flight options available from Singapore to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 October 2026.

Explore the most affordable flight options available from Singapore to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 October 2026.

Best flights from Singapore to Dulles IntlDiscover carefully curated flight deals from Singapore to Dulles Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 October 2026.

Discover carefully curated flight deals from Singapore to Dulles Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 October 2026.

Last-minute flights from Singapore to Dulles IntlDiscover last-minute flight deals from Singapore to Dulles Intl. Data last updated 14 October 2026 and is based on user searches.

Discover last-minute flight deals from Singapore to Dulles Intl. Data last updated 14 October 2026 and is based on user searches.

One-way flights from Singapore to Dulles IntlSearch for one-way flight options from Singapore to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated 14 October 2026.

Search for one-way flight options from Singapore to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated 14 October 2026.

Find flight deals from Singapore to Dulles Intl

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Cheapflights Fare Finder

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

Best time to book a flight from Singapore to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Singapore with our price prediction graph.

Cheapflights Insights

Reviews of airlines servicing Dulles Intl

Read through reviews of airlines operating flights from Singapore to Washington, D.C. Dulles Intl Airport, such as ANA. Reviews also offer insight into each airline's 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. Dulles Intl Airport?

Can I find deals for flights from Singapore to Dulles Intl that include hotel bookings?

How can I find direct flights from Singapore to Dulles Intl?

Can I find deals for business class flights from Singapore to Dulles Intl?

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 Dulles Intl

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

Complete your trip

Complete your trip to Dulles Intl 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 Dulles Intl by cabin class

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

Singapore and Dulles Intl flights

Browse other Singapore and Dulles Intl flight options. Last updated on 14 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top airline flying from Singapore to Dulles Intl

Fly with Cheapflights

How does Cheapflights help users find flights from Singapore to Dulles Intl?

Why should you use Cheapflights to find cheap flight tickets from Singapore to Dulles Intl?

Can Cheapflights find flights from Singapore to Dulles Intl with no change fees?

Can Cheapflights notify me if prices for flights from Singapore to Dulles Intl become cheaper?

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Book With Flexibility

Travel Smart

Cheapest flights from Singapore to Dulles Intl
Explore the most affordable flight options available from Singapore to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 October 2026.

Best flights from Singapore to Dulles Intl
Discover carefully curated flight deals from Singapore to Dulles Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 October 2026.

Last-minute flights from Singapore to Dulles Intl
Discover last-minute flight deals from Singapore to Dulles Intl. Data last updated 14 October 2026 and is based on user searches.

One-way flights from Singapore to Dulles Intl
Search for one-way flight options from Singapore to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated 14 October 2026.