Find flights
When to book
Airlines
FAQs

Cheap flights from Southeast Asia to Washington, D.C. Dulles Intl Airport from S$ 701

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 30-6. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — IAD
18 Jun — 25 Jun1
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 13 June 2025.

Round-trip from

S$ 1,133

One-way from

S$ 701
United Airlines
  • United Airlines
  • 26-6-3-7
  • 3 total stops
  • 58h 05m total
  • Southeast Asia to Washington, D.C.
Search Deals
IndiGo
  • IndiGo
  • 30-6
  • 2 total stops
  • 52h 00m total
  • Southeast Asia to Washington, D.C.
Search Deals

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 13 June 2025.

Thu 26-608:45SIN - IAD
2 stops27h 45mUnited Airlines
Thu 3-712:20IAD - SIN
1 stop30h 20mUnited Airlines
Deal found 12-6S$ 1,133
Mon 14-722:10SIN - IAD
1 stop23h 55mANA
Mon 21-715:39IAD - SIN
2 stops27h 01mANA
Deal found 12-6S$ 1,219
Sun 5-1023:55SIN - IAD
2 stops33h 10mAir Canada
Sun 19-1017:22IAD - SIN
2 stops49h 18mAir Canada
Deal found 12-6S$ 1,262
Tue 18-1115:20BKK - IAD
1 stop35h 25mSAUDIA
Sat 29-1118:10IAD - BKK
1 stop41h 25mSAUDIA
Deal found 12-6S$ 1,285
Sun 13-709:35BKK - IAD
1 stop41h 10mUnited Airlines
Sat 19-706:35IAD - BKK
2 stops35h 00mUnited Airlines
Deal found 10-6S$ 1,312
Sun 5-1010:15SIN - IAD
1 stop37h 30mTurkish Airlines
Sat 18-1021:40IAD - SIN
1 stop32h 15mTurkish Airlines
Deal found 12-6S$ 1,322
Fri 20-608:45SIN - IAD
2 stops38h 30mAir India
Wed 27-812:50IAD - SIN
1 stop30h 25mAir India
Deal found 11-6S$ 1,333
Tue 16-923:30BKK - IAD
1 stop22h 25mKorean Air
Tue 18-1111:50IAD - BKK
1 stop23h 30mKorean Air
Deal found 10-6S$ 1,391
Tue 16-909:50BKK - IAD
2 stops24h 44mDelta
Mon 17-1117:25IAD - BKK
2 stops31h 50mDelta
Deal found 10-6S$ 1,398
Fri 20-615:10SIN - IAD
2 stops28h 17mMultiple Airlines
Wed 3-918:09IAD - SIN
2 stops29h 51mMultiple Airlines
Deal found 11-6S$ 1,400
Tue 16-912:35BKK - IAD
1 stop37h 50mSWISS
Sun 23-1120:45IAD - BKK
1 stop25h 55mSWISS
Deal found 10-6S$ 1,403
Tue 18-1123:30BKK - IAD
2 stops28h 00mMultiple Airlines
Sat 29-1120:45IAD - BKK
1 stop25h 55mMultiple Airlines
Deal found 11-6S$ 1,446

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 13 June 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

Thu 26-6

08:45-00:30

2 stops27h 45m

Washington, D.C. Dulles Intl

Thu 3-7

12:20-06:40

1 stop30h 20m

S$ 1,133

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 14-7

22:10-10:05

1 stop23h 55m

Washington, D.C. Dulles Intl

Mon 21-7

15:39-06:40

2 stops27h 01m

S$ 1,219

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 5-10

23:55-21:05

2 stops33h 10m

Washington, D.C. Dulles Intl

Sun 19-10

17:22-06:40

2 stops49h 18m

S$ 1,262

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

18:10-23:35

1 stop41h 25m

S$ 1,285

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sun 13-7

09:35-15:45

1 stop41h 10m

Washington, D.C. Dulles Intl

Sat 19-7

06:35-04:35

2 stops35h 00m

S$ 1,312

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 5-10

10:15-11:45

1 stop37h 30m

Washington, D.C. Dulles Intl

Sat 18-10

21:40-17:55

1 stop32h 15m

S$ 1,322

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 16-9

23:30-10:55

1 stop22h 25m

Washington, D.C. Dulles Intl

Tue 18-11

11:50-23:20

1 stop23h 30m

S$ 1,391

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 16-9

09:50-23:34

2 stops24h 44m

Washington, D.C. Dulles Intl

Mon 17-11

17:25-13:15

2 stops31h 50m

S$ 1,398

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 16-9

12:35-15:25

1 stop37h 50m

Washington, D.C. Dulles Intl

Sun 23-11

20:45-10:40

1 stop25h 55m

S$ 1,403

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 17-11

23:55-18:30

1 stop31h 35m

Washington, D.C. Dulles Intl

Fri 12-12

22:00-17:30

2 stops30h 30m

S$ 1,404

Flights are sorted by cheapest return flights first.

Deals found on 10-6

Showing 1-10 of 60 results
1
2
3
...
6

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

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

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.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

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).

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 13 June 2025.
See what other customers who have flown with EVA Air, Korean Air and Japan Airlines from Southeast Asia to Washington, D.C. have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Entertainment

8.0

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
EVA Air
8.4
Very Good
1,204 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Entertainment

8.0

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
Korean Air
8.4
Very Good
1,091 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Entertainment

8.0

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
Japan Airlines
8.3
Very Good
1,490 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Entertainment

8.0

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
China Airlines
8.3
Very Good
738 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Entertainment

8.0

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
ANA
8.3
Very Good
882 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Entertainment

8.0

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 IndiGo. According to our data, you can fly for as low as S$ 701. Users have also found prices from S$ 760 and S$ 774 on Air Canada and Air India, 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

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 Southeast Asia 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 Baltimore flights
Singapore to Reagan-National flights

Top 6 airlines flying from Southeast Asia to Dulles Intl

Discover the top 6 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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
SAUDIACheapestS$ 944AverageS$ 1,209FlexibilityNo cancel feeOn-time86%
Search SAUDIA flights
Turkish AirlinesCheapestS$ 1,236AverageS$ 1,444FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Air IndiaCheapestS$ 1,320AverageS$ 1,412FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
United AirlinesCheapestS$ 1,416AverageS$ 1,588FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Korean AirCheapestS$ 1,751AverageS$ 2,218FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Qatar AirwaysCheapestS$ 1,769AverageS$ 2,332FlexibilityNo 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 Southeast Asia to Dulles Intl?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Dulles Intl from Southeast Asia today with Cheapflights!

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

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

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.

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

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights