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Cheap flights from Singapore to Washington, D.C. Dulles Intl Airport from S$ 651

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 20-11. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — IAD
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Singapore to Dulles Intl

Enter your travel dates to find the best prices.

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 31 October 2025.

Mon 10-1123:55SIN - IAD
1 stop31h 35mMultiple Airlines
Mon 24-1121:15IAD - SIN
2 stops48h 00mMultiple Airlines
Deal found 29-10S$ 1,211
Mon 3-1116:35SIN - IAD
3 stops35h 55mMultiple Airlines
Mon 10-1121:15IAD - SIN
2 stops31h 05mMultiple Airlines
Deal found 30-10S$ 1,269
Mon 3-1111:40SIN - IAD
1 stop37h 05mTurkish Airlines
Sat 8-1121:15IAD - SIN
1 stop23h 45mTurkish Airlines
Deal found 30-10S$ 1,294
Mon 3-1116:35SIN - IAD
3 stops35h 55mMultiple Airlines
Sat 8-1113:30IAD - SIN
2 stops38h 50mMultiple Airlines
Deal found 30-10S$ 1,313
Sun 30-1119:25SIN - IAD
1 stop33h 05mEtihad Airways
Fri 5-1221:10IAD - SIN
1 stop23h 25mEtihad Airways
Deal found 28-10S$ 1,315
Mon 3-1111:40SIN - IAD
1 stop37h 05mTurkish Airlines
Mon 10-1113:30IAD - SIN
1 stop30h 15mTurkish Airlines
Deal found 30-10S$ 1,321
Sun 2-1122:30SIN - IAD
2 stops30h 00mMultiple Airlines
Fri 7-1118:10IAD - SIN
3 stops30h 10mMultiple Airlines
Deal found 30-10S$ 1,324

Cheap flight deals from Singapore to Dulles Intl

Keep the following information in mind while searching for Singapore to Dulles Intl flight deals. Data was last updated 31 October 2025.

Round-trip from

S$ 1,205

One-way from

S$ 651

Popular in

February

Cheapest in

September

Average price

S$ 1,378
Etihad Airways
  • Etihad Airways
  • 9-11-23-11
  • 2 total stops
  • 56h 30m total
  • Singapore to Washington, D.C.
Search Deals
20-11
  • 20-11
  • 3 total stops
  • 54h 51m total
  • Singapore to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (S$ 341 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (S$ 126 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Singapore to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 200,618 searches. Data last updated 31 October 2025.
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

Singapore

Fly to

Dulles Intl

Route

Depart

Return

Price

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 11-3

22:30-10:50

1 stop24h 20m

Washington, D.C. Dulles Intl

Sun 15-3

12:50-05:00

1 stop28h 10m

S$ 1,277

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 1-3

19:25-09:05

1 stop26h 40m

Washington, D.C. Dulles Intl

Thu 30-4

15:35-09:15

1 stop29h 40m

S$ 1,277

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 30-11

19:25-15:30

1 stop33h 05m

Washington, D.C. Dulles Intl

Fri 5-12

21:10-09:35

1 stop23h 25m

S$ 1,315

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 10-11

19:50-15:30

3 stops32h 40m

Washington, D.C. Dulles Intl

Mon 24-11

21:15-17:20

2 stops31h 05m

S$ 1,322

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 13-11

10:25-11:45

1 stop38h 20m

Washington, D.C. Dulles Intl

Mon 17-11

13:30-17:35

1 stop39h 05m

S$ 1,352

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 11-11

19:25-15:30

1 stop33h 05m

Washington, D.C. Dulles Intl

Wed 31-12

14:35-09:35

1 stop30h 00m

S$ 1,409

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 1-3

14:25-05:55

2 stops28h 30m

Washington, D.C. Dulles Intl

Thu 30-4

19:01-12:35

2 stops29h 34m

S$ 1,417

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 11-3

22:30-19:12

2 stops32h 42m

Washington, D.C. Dulles Intl

Sun 15-3

12:50-05:00

1 stop28h 10m

S$ 1,420

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 25-11

01:35-23:52

2 stops35h 17m

Washington, D.C. Dulles Intl

Wed 3-12

07:15-00:10

2 stops27h 55m

S$ 1,421

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 5-11

20:00-15:30

2 stops32h 30m

S$ 672

Flights are sorted by cheapest return flights first.

Deals found on 30-10

Showing 1-10 of 20 results
1
2

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.
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

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

Currently, May is the cheapest month in which you can book a flight from Singapore to Washington, D.C. Dulles Intl Airport (average of S$ 1,064). Flying from Singapore to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of S$ 1,646). 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 Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated 31 October 2025.
Read through reviews of airlines operating flights from Singapore to Washington, D.C. Dulles Intl Airport, such as Korean Air, Qatar Airways, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very Good
1,155 reviews
Check prices

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

Overall

8.4

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very Good
1,155 reviews
Korean Air
8.4
Very Good
1,155 reviews
Check prices

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

Overall

8.4

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Qatar Airways
7.4
Good
3,661 reviews
Korean Air
8.4
Very Good
1,155 reviews
Check prices

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

Overall

8.4

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
United Airlines
7.4
Good
8,995 reviews
Korean Air
8.4
Very Good
1,155 reviews
Check prices

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

Overall

8.4

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Turkish Airlines
7.3
Good
4,033 reviews
Korean Air
8.4
Very Good
1,155 reviews
Check prices

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

Overall

8.4

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Air India
5.5
Fair
2,940 reviews
Korean Air
8.4
Very Good
1,155 reviews
Check prices

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

Overall

8.4

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

Find useful and relevant information for your journey from Singapore to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    For as low as S$ 1,277, Korean Air can have you in Washington, D.C. Dulles Intl Airport from Singapore in 24h 20m. 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.

  • What are the cheapest airlines to fly from Singapore to Washington, D.C. Dulles Intl Airport one-way?

    To fly one-way, consider booking your trip with Etihad Airways, which is currently one of the cheapest options available, starting at S$ 752. Korean Air flights start at S$ 830 while deals on Delta start at S$ 835 one-way.

  • 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.

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

    Currently, May is the cheapest month in which you can book a flight from Singapore to Washington, D.C. Dulles Intl Airport (average of S$ 1,064). Flying from Singapore to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of S$ 1,646). 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

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Alternative routes for Singapore to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Singapore to Dulles Intl flights
Singapore to Reagan-National flights
Singapore to Baltimore flights

Top 5 airlines flying from Singapore to Dulles Intl

Discover the top 5 airlines that operate flights from Singapore to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 200,618 searches. Data last updated 31 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapestS$ 1,269AverageS$ 1,496FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
United AirlinesCheapestS$ 1,283AverageS$ 1,591FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Korean AirCheapestS$ 1,284AverageS$ 2,217FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Air IndiaCheapestS$ 1,340AverageS$ 1,385FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Qatar AirwaysCheapestS$ 1,795AverageS$ 1,924FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

Fly with Cheapflights

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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.

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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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