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Cheap flights from Singapore to Washington, D.C. Dulles Intl Airport from S$ 595

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 24-11. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — IAD
12 Dec — 19 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 12 November 2025.

Tue 25-1108:50SIN - IAD
2 stops25h 04mAir Canada
Mon 8-1217:50IAD - SIN
2 stops48h 10mAir Canada
Deal found 11-11S$ 1,281
Thu 27-1117:15SIN - IAD
1 stop38h 15mAir China
Fri 16-122:00IAD - SIN
1 stop29h 25mAir China
Deal found 11-11S$ 1,324
Tue 11-1108:50SIN - IAD
2 stops39h 33mAir Canada
Wed 31-1213:15IAD - SIN
2 stops28h 45mAir Canada
Deal found 9-11S$ 1,343
Tue 25-1119:25SIN - IAD
1 stop33h 05mMultiple Airlines
Mon 8-1213:30IAD - SIN
1 stop39h 05mMultiple Airlines
Deal found 11-11S$ 1,397
Thu 27-1115:45SIN - IAD
2 stops38h 49mMultiple Airlines
Fri 16-118:04IAD - SIN
2 stops31h 26mMultiple Airlines
Deal found 11-11S$ 1,463
Thu 25-1217:55SIN - IAD
1 stop37h 35mMultiple Airlines
Thu 1-118:10IAD - SIN
3 stops35h 20mMultiple Airlines
Deal found 10-11S$ 1,476
Tue 25-1110:10SIN - IAD
1 stop32h 17mUnited Airlines
Mon 8-1217:15IAD - SIN
2 stops38h 00mUnited Airlines
Deal found 11-11S$ 1,503
Fri 28-1110:10SIN - IAD
1 stop27h 46mUnited Airlines
Fri 16-122:28IAD - SIN
2 stops32h 47mUnited Airlines
Deal found 11-11S$ 1,553
Sun 30-1119:40SIN - IAD
2 stops56h 50mMultiple Airlines
Fri 16-114:35IAD - SIN
2 stops30h 40mMultiple Airlines
Deal found 11-11S$ 1,570

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 12 November 2025.

Round-trip from

S$ 1,250

One-way from

S$ 595

Popular in

February

Cheapest in

September

Average price

S$ 1,519
Etihad Airways
  • Etihad Airways
  • 1-3-30-4
  • 2 total stops
  • 56h 20m total
  • Singapore to Washington, D.C.
Search Deals
Air China
  • Air China
  • 24-11
  • 1 total stop
  • 38h 15m total
  • Singapore to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (S$ 347 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (S$ 121 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 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 12 November 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

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$ 1,250

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 11-3

19:25-10:05

1 stop26h 40m

Washington, D.C. Dulles Intl

Sun 15-3

15:35-09:35

1 stop30h 00m

S$ 1,276

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 25-11

19:25-15:30

1 stop33h 05m

Washington, D.C. Dulles Intl

Mon 8-12

13:30-17:35

1 stop39h 05m

S$ 1,397

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 27-11

15:45-17:34

2 stops38h 49m

Washington, D.C. Dulles Intl

Fri 16-1

18:04-14:30

2 stops31h 26m

S$ 1,463

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 25-11

10:10-05:27

1 stop32h 17m

Washington, D.C. Dulles Intl

Mon 8-12

17:15-20:15

2 stops38h 00m

S$ 1,503

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 28-11

10:10-00:56

1 stop27h 46m

Washington, D.C. Dulles Intl

Fri 16-1

22:28-20:15

2 stops32h 47m

S$ 1,553

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 1-3

08:50-11:29

2 stops39h 39m

Washington, D.C. Dulles Intl

Thu 30-4

09:55-07:05

2 stops33h 10m

S$ 1,574

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 25-12

10:10-23:06

2 stops25h 56m

Washington, D.C. Dulles Intl

Thu 1-1

06:30-20:15

1 stop24h 45m

S$ 1,666

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sat 27-12

15:45-06:13

2 stops27h 28m

Washington, D.C. Dulles Intl

Sat 3-1

07:33-12:05

2 stops39h 32m

S$ 1,727

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sat 28-2

03:15-15:55

1 stop25h 40m

Washington, D.C. Dulles Intl

Thu 30-4

21:00-15:45

1 stop30h 45m

S$ 1,763

Flights are sorted by cheapest return flights first.

Deals found on 11-11

Showing 1-10 of 18 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$ 1,066). Flying from Singapore to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of S$ 1,649). 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 12 November 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
1,163 reviews
Check prices

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

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
1,163 reviews
Korean Air
8.4
Very Good
1,163 reviews
Check prices

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

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
1,163 reviews
Check prices

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

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
9,016 reviews
Korean Air
8.4
Very Good
1,163 reviews
Check prices

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

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
4,044 reviews
Korean Air
8.4
Very Good
1,163 reviews
Check prices

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

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
1,163 reviews
Check prices

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

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$ 1,250, Etihad Airways can have you in Washington, D.C. Dulles Intl Airport from Singapore in 26h 40m. 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.

  • 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$ 1,066). Flying from Singapore to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of S$ 1,649). 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 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 12 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapestS$ 1,272AverageS$ 1,499FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
United AirlinesCheapestS$ 1,285AverageS$ 1,595FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Korean AirCheapestS$ 1,286AverageS$ 2,222FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Air IndiaCheapestS$ 1,343AverageS$ 1,388FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Qatar AirwaysCheapestS$ 1,799AverageS$ 1,928FlexibilityNo 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.

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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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