Cheap flights from Southeast Asia to Washington, D.C. Dulles Intl Airport from S$ 571

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 12-9. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — IAD
7 Aug — 14 Aug1
1 adult

Cheap flight deals from Southeast Asia to Dulles Intl

Keep the following information in mind while searching for Southeast Asia to Dulles Intl flight deals. Data was last updated 2 August 2025.

Round-trip from

S$ 884

One-way from

S$ 571
Air Canada
  • Air Canada
  • 5-10-19-10
  • 4 total stops
  • 78h 23m total
  • Southeast Asia to Washington, D.C.
Air China
  • Air China
  • 12-9
  • 1 total stop
  • 22h 30m total
  • Southeast Asia to Washington, D.C.

Find flight deals from Southeast Asia to Dulles Intl

Cheapest flights from Southeast Asia to Dulles Intl
Explore the most affordable flight options available from Southeast Asia to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 August 2025.

Sun 5-1022:10SIN - IAD
2 stops35h 15mAir Canada
Sun 19-1017:37IAD - SIN
2 stops43h 08mAir Canada
Deal found 2-8S$ 884
Mon 15-923:25SIN - IAD
1 stop32h 05mMultiple Airlines
Mon 22-921:40IAD - SIN
2 stops32h 05mMultiple Airlines
Deal found 31-7S$ 1,114
Tue 18-1115:20BKK - IAD
1 stop35h 25mSAUDIA
Sat 29-1118:10IAD - BKK
1 stop41h 20mSAUDIA
Deal found 31-7S$ 1,304
Wed 10-909:35BKK - IAD
1 stop35h 30mUnited Airlines
Wed 24-906:35IAD - BKK
2 stops35h 00mUnited Airlines
Deal found 1-8S$ 1,319
Sun 26-1010:25SIN - IAD
1 stop38h 20mTurkish Airlines
Sat 8-1113:30IAD - SIN
1 stop31h 30mTurkish Airlines
Deal found 31-7S$ 1,360
Fri 31-1002:00SIN - IAD
2 stops41h 23mChina Airlines
Sat 8-1118:13IAD - SIN
2 stops29h 52mChina Airlines
Deal found 30-7S$ 1,361
Mon 25-802:35BKK - IAD
2 stops38h 20mDelta
Wed 10-907:30IAD - BKK
2 stops27h 15mDelta
Deal found 1-8S$ 1,401
Wed 10-909:50BKK - IAD
1 stop36h 05mKorean Air
Wed 24-913:15IAD - BKK
1 stop24h 50mKorean Air
Deal found 1-8S$ 1,407
Fri 29-809:00SIN - IAD
1 stop22h 30mAir China
Fri 5-923:00IAD - SIN
1 stop34h 55mAir China
Deal found 1-8S$ 1,478
Tue 19-820:40SIN - IAD
2 stops27h 15mUnited Airlines
Mon 25-812:15IAD - SIN
1 stop30h 25mUnited Airlines
Deal found 1-8S$ 1,484
Wed 3-901:55SIN - IAD
2 stops32h 46mAmerican Airlines
Fri 19-917:40IAD - SIN
2 stops42h 40mAmerican Airlines
Deal found 31-7S$ 1,492
Sun 14-902:30BKK - IAD
1 stop24h 10mMultiple Airlines
Mon 22-921:00IAD - BKK
1 stop23h 20mMultiple Airlines
Deal found 1-8S$ 1,504

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southeast Asia 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 2 August 2025.
Use the filters below to find and compare flights from Southeast Asia to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Southeast Asia

Fly to

Dulles Intl

Route

Depart

Return

Price

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 5-10

22:10-21:25

2 stops35h 15m

Washington, D.C. Dulles Intl

Sun 19-10

17:37-00:45

2 stops43h 08m

S$ 884

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 15-9

23:25-19:30

1 stop32h 05m

Washington, D.C. Dulles Intl

Mon 22-9

21:40-17:45

2 stops32h 05m

S$ 1,114

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 18-11

15:20-14:45

1 stop35h 25m

Washington, D.C. Dulles Intl

Sat 29-11

18:10-23:30

1 stop41h 20m

S$ 1,304

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 10-9

09:35-10:05

1 stop35h 30m

Washington, D.C. Dulles Intl

Wed 24-9

06:35-04:35

2 stops35h 00m

S$ 1,319

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 26-10

10:25-12:45

1 stop38h 20m

Washington, D.C. Dulles Intl

Sat 8-11

13:30-10:00

1 stop31h 30m

S$ 1,360

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 31-10

02:00-07:23

2 stops41h 23m

Washington, D.C. Dulles Intl

Sat 8-11

18:13-13:05

2 stops29h 52m

S$ 1,361

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 25-8

02:35-05:55

2 stops38h 20m

Washington, D.C. Dulles Intl

Wed 10-9

07:30-21:45

2 stops27h 15m

S$ 1,401

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 10-9

09:50-10:55

1 stop36h 05m

Washington, D.C. Dulles Intl

Wed 24-9

13:15-01:05

1 stop24h 50m

S$ 1,407

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 29-8

09:00-19:30

1 stop22h 30m

Washington, D.C. Dulles Intl

Fri 5-9

23:00-21:55

1 stop34h 55m

S$ 1,478

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 19-8

20:40-11:55

2 stops27h 15m

Washington, D.C. Dulles Intl

Mon 25-8

12:15-06:40

1 stop30h 25m

S$ 1,484

Flights are sorted by cheapest return flights first.

Deals found on 2-8

Showing 1-10 of 38 results
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Best time to book a flight from Southeast Asia to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Southeast Asia 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 Southeast Asia to Washington, D.C. Dulles Intl Airport
No data available for this route at this time. Please check back soon.

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 2 August 2025.
Get a feel of what it's like to fly with EVA Air, Korean Air, andChina Airlines from Southeast Asia to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

8.0

Food

8.1

Boarding

8.4

Overall

8.4

Comfort

8.3

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Entertainment

8.0

Food

8.1

Boarding

8.4

Overall

8.4

Comfort

8.3

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Entertainment

8.0

Food

8.1

Boarding

8.4

Overall

8.4

Comfort

8.3

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Entertainment

8.0

Food

8.1

Boarding

8.4

Overall

8.4

Comfort

8.3

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Entertainment

8.0

Food

8.1

Boarding

8.4

Overall

8.4

Comfort

8.3

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
8.0
Very Good

Entertainment

8.0

Food

8.1

Boarding

8.4

Overall

8.4

Comfort

8.3

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

Find useful and relevant information for your journey from Southeast Asia 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 are the cheapest airlines to fly from Southeast Asia to Washington, D.C. Dulles Intl Airport one-way?

    For one-way options, check prices for Air China. According to our data, you can fly for as low as S$ 571. Users have also found prices from S$ 624 and S$ 647 on IndiGo and Air Canada, respectively.

  • Can I find deals for flights from Southeast Asia to Dulles Intl that include hotel bookings?

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

  • How can I find direct flights from Southeast Asia to Dulles Intl?

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

  • Can I find deals for business class flights from Southeast Asia to Dulles Intl?

    Yes. Cheapflights offers flight deals from Southeast Asia 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

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Alternative routes for Southeast Asia to Dulles Intl

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

Top 5 airlines flying from Southeast Asia to Dulles Intl

Discover the top 5 airlines that operate flights from Southeast Asia 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 2 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapestS$ 1,250AverageS$ 1,481FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
United AirlinesCheapestS$ 1,282AverageS$ 1,606FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air IndiaCheapestS$ 1,335AverageS$ 1,428FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Korean AirCheapestS$ 1,632AverageS$ 2,242FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Qatar AirwaysCheapestS$ 1,779AverageS$ 2,214FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

Fly with Cheapflights

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

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

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Can Cheapflights find flights from Southeast Asia 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 Southeast Asia to Dulles Intl, users can toggle the no change fees filter when performing a flight search.

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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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