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Cheap flights from Singapore to Washington, D.C. Dulles Intl Airport from S$ 885

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 19-9. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — IAD
7 May — 14 May1
1 adult
1 adult, Economy, 0 bags

Cheap 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 7 April 2026.

Wed 15-402:20
SIN
-
IAD
1 stop25h 25m
SAUDIA
Sat 2-518:50
IAD
-
SIN
1 stop32h 40m
SAUDIA
Deal found 4-4S$ 1,190
Mon 18-502:20
SIN
-
IAD
2 stops30h 09m
Multiple Airlines
Tue 26-515:10
IAD
-
SIN
1 stop30h 30m
Multiple Airlines
Deal found 4-4S$ 1,447
Sat 14-1115:45
SIN
-
IAD
2 stops28h 43m
Multiple Airlines
Wed 25-1117:38
IAD
-
SIN
2 stops29h 27m
Multiple Airlines
Deal found 6-4S$ 1,577
Tue 1-911:05
SIN
-
IAD
1 stop35h 00m
ANA
Wed 30-908:35
IAD
-
SIN
2 stops26h 45m
ANA
Deal found 5-4S$ 1,604
Thu 7-509:00
SIN
-
IAD
2 stops26h 25m
United Airlines
Sun 17-508:30
IAD
-
SIN
1 stop46h 05m
United Airlines
Deal found 6-4S$ 1,620
Wed 6-520:35
SIN
-
IAD
2 stops26h 38m
United Airlines
Wed 3-622:21
IAD
-
SIN
1 stop32h 14m
United Airlines
Deal found 5-4S$ 1,631
Thu 14-515:20
SIN
-
IAD
2 stops28h 14m
Multiple Airlines
Sat 8-818:14
IAD
-
SIN
2 stops29h 41m
Multiple Airlines
Deal found 3-4S$ 1,636
Thu 14-515:20
SIN
-
IAD
2 stops28h 14m
EVA Air
Sat 8-818:14
IAD
-
SIN
2 stops29h 41m
EVA Air
Deal found 3-4S$ 1,650
Mon 29-608:05
SIN
-
IAD
2 stops34h 34m
Japan Airlines
Wed 8-706:03
IAD
-
SIN
2 stops30h 17m
Japan Airlines
Deal found 3-4S$ 1,659
Thu 30-403:00
SIN
-
IAD
2 stops28h 30m
Air China
Fri 8-523:00
IAD
-
SIN
1 stop43h 50m
Air China
Deal found 3-4S$ 1,661
Wed 6-501:05
SIN
-
IAD
1 stop29h 05m
Multiple Airlines
Sun 17-515:10
IAD
-
SIN
1 stop30h 30m
Multiple Airlines
Deal found 5-4S$ 1,663

Find flight deals from Singapore to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Singapore (SIN) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 7 April 2026.

Round-trip from

S$ 1,447

One-way from

S$ 885

Popular in

November

Cheapest in

February

Average price

S$ 1,290
Etihad Airways
  • Etihad Airways
  • 18-5-26-5
  • 3 total stops
  • 60h 39m total
  • Singapore to Washington, D.C.
Search Deals
19-9
  • 19-9
  • 2 total stops
  • 27h 55m total
  • Singapore to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 29% potential increase in price (S$ 963 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 16% potential price decrease (S$ 322 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
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 7 April 2026.
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 - IAD

SINIAD

Singapore Changi

Mon 18-5

02:20-20:29

2 stops30h 09m

Washington, D.C. Dulles Intl

Tue 26-5

15:10-09:40

1 stop30h 30m

S$ 1,447

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 1-9

11:05-10:05

1 stop35h 00m

Washington, D.C. Dulles Intl

Wed 30-9

08:35-23:20

2 stops26h 45m

S$ 1,604

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 7-5

09:00-23:25

2 stops26h 25m

Washington, D.C. Dulles Intl

Sun 17-5

08:30-18:35

1 stop46h 05m

S$ 1,620
Fastest return journey

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 20-5

09:00-20:57

1 stop23h 57m

Washington, D.C. Dulles Intl

Thu 10-9

08:33-06:15

2 stops33h 42m

S$ 1,696

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 13-5

21:00-20:35

3 stops35h 35m

Washington, D.C. Dulles Intl

Mon 18-5

15:10-09:40

1 stop30h 30m

S$ 1,724

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 14-5

09:00-23:25

2 stops26h 25m

Washington, D.C. Dulles Intl

Sat 8-8

09:45-18:35

1 stop44h 50m

S$ 1,738

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 19-5

02:00-17:05

2 stops51h 05m

Washington, D.C. Dulles Intl

Thu 10-9

07:00-12:35

2 stops41h 35m

S$ 1,774

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 17-5

10:00-09:45

3 stops35h 45m

Washington, D.C. Dulles Intl

Sun 24-5

15:10-09:40

1 stop30h 30m

S$ 1,804

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 21-4

09:00-11:47

2 stops38h 47m

Washington, D.C. Dulles Intl

Tue 14-7

20:21-18:35

1 stop34h 14m

S$ 1,819

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 14-5

13:45-07:34

2 stops29h 49m

Washington, D.C. Dulles Intl

Sat 8-8

18:14-12:35

2 stops30h 21m

S$ 1,889

Flights are sorted by cheapest return flights first.

Deals found on 7-4

Showing 1-10 of 22 resultsSorted by cheapest first
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3

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, February is the cheapest month in which you can book a flight from Singapore to Washington, D.C. Dulles Intl Airport (average of S$ 996). Flying from Singapore to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of S$ 2,840). 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.

How much does it cost for a return flight from Singapore to Washington, D.C. Dulles Intl Airport?

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 7 April 2026.
Get a feel of what it's like to fly with Korean Air,Qatar Airways, andTurkish Airlines from Singapore to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very Good
1,203 reviews
Check prices

Entertainment

8.2

Boarding

8.5

Crew

8.7

Overall

8.4

Food

8.1

Comfort

8.3

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
1,203 reviews
Korean Air
8.4
Very Good
1,203 reviews
Check prices

Entertainment

8.2

Boarding

8.5

Crew

8.7

Overall

8.4

Food

8.1

Comfort

8.3

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
3,729 reviews
Korean Air
8.4
Very Good
1,203 reviews
Check prices

Entertainment

8.2

Boarding

8.5

Crew

8.7

Overall

8.4

Food

8.1

Comfort

8.3

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
4,299 reviews
Korean Air
8.4
Very Good
1,203 reviews
Check prices

Entertainment

8.2

Boarding

8.5

Crew

8.7

Overall

8.4

Food

8.1

Comfort

8.3

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.

  • What airport do you fly from for flights from Singapore to Washington, D.C. Dulles Intl?

    Located just 16.9 km from the city centre, Singapore Changi is the airport most travellers will use when flying to Washington, D.C. Dulles Intl from Singapore. Booking flights from Changi (SIN) to Washington, D.C. Dulles Intl should be relatively easy as there are 0 daily outbound flights to Washington, D.C. Dulles Intl from 3 different airlines.

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

    For as low as S$ 1,620, ANA can have you in Washington, D.C. Dulles Intl Airport from Singapore in 26h 25m. 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 flying from Singapore to Washington, D.C. Dulles Intl Airport round-trip?

    Our cheapest airline available from Singapore to Washington, D.C. Dulles Intl Airport is Korean Air. Our recent data shows that you can find tickets from as low as S$ 1,269 on this airline. Additional options worth looking into are Turkish Airlines and Qatar Airways, starting at S$ 1,279 and S$ 1,779 round-trip. Users have found that Korean Air is 29% cheaper than the other options available to this destination.

  • 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, February is the cheapest month in which you can book a flight from Singapore to Washington, D.C. Dulles Intl Airport (average of S$ 996). Flying from Singapore to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of S$ 2,840). 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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Fly from Singapore to Dulles Intl on these airlines

Choose from the following airlines for your flight from Singapore to Dulles Intl. Flights are based on user searches made on Cheapflights and were last updated on 7 April 2026.
Qatar Airways flights from Singapore Changi to Washington, D.C. Dulles Intl

Top 3 airlines flying from Singapore to Dulles Intl

Discover the top 3 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 7 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapestS$ 1,269AverageS$ 1,808FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Turkish AirlinesCheapestS$ 1,279AverageS$ 1,470FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Qatar AirwaysCheapestS$ 1,779AverageS$ 1,855FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Singapore to Dulles Intl for you. Better yet — we are completely free to use.

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

Yes! Cheapflights helps users easily 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?

Yes! Start tracking prices for Singapore to Dulles Intl 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.

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