S$ 566+ Cheap Flights from Southeast Asia to Washington, D.C. Dulles Intl Airport | Cheapflights

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Cheap flight deals from Southeast Asia to Dulles Intl

Round-trip from	S$ 1,118
One-way from	S$ 566

Air Canada

Air Canada
1-11-8-11
4 total stops
67h 53m total
Southeast Asia to Washington, D.C.

Air China

Air China
17-11
1 total stop
31h 35m 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 19 September 2025.

Sat 1-1108:50SIN - IAD

2 stops24h 04mAir Canada

Sat 8-1122:11IAD - SIN

2 stops43h 49mAir Canada

Deal found 17-9S$ 1,118

Sun 5-1009:10SIN - IAD

2 stops36h 28mAir Canada

Sun 19-1009:35IAD - SIN

2 stops33h 30mAir Canada

Deal found 17-9S$ 1,119

Thu 23-1019:45SIN - IAD

2 stops36h 00mIndiGo

Wed 29-1014:30IAD - SIN

2 stops38h 50mIndiGo

Deal found 17-9S$ 1,176

Mon 3-1110:40SIN - IAD

1 stop36h 10mKorean Air

Mon 10-1111:50IAD - SIN

1 stop28h 10mKorean Air

Deal found 19-9S$ 1,222

Tue 18-1119:40SIN - IAD

2 stops36h 35mIndiGo

Thu 5-221:10IAD - SIN

2 stops31h 10mIndiGo

Deal found 18-9S$ 1,225

Sun 2-1108:50SIN - IAD

2 stops25h 04mAir Canada

Sun 9-1109:45IAD - SIN

2 stops32h 15mAir Canada

Deal found 18-9S$ 1,237

Sun 2-1102:00SIN - IAD

2 stops41h 23mMultiple Airlines

Mon 10-1107:43IAD - SIN

2 stops40h 22mMultiple Airlines

Deal found 19-9S$ 1,238

Thu 23-1023:25SIN - IAD

1 stop32h 05mMultiple Airlines

Wed 29-1014:30IAD - SIN

2 stops38h 50mMultiple Airlines

Deal found 17-9S$ 1,245

Thu 16-1019:45SIN - IAD

2 stops36h 00mIndiGo

Fri 7-1121:10IAD - SIN

2 stops31h 10mIndiGo

Deal found 17-9S$ 1,248

Wed 3-1200:55BKK - IAD

1 stop20h 55mKorean Air

Wed 31-1211:50IAD - BKK

1 stop45h 40mKorean Air

Deal found 19-9S$ 1,425

Mon 3-1123:15BKK - IAD

1 stop22h 35mKorean Air

Mon 17-1111:50IAD - BKK

1 stop23h 30mKorean Air

Deal found 19-9S$ 1,426

Mon 3-1123:15BKK - IAD

1 stop22h 35mKorean Air

Mon 10-1111:50IAD - BKK

1 stop24h 55mKorean Air

Deal found 16-9S$ 1,428

Best flights from Southeast Asia to Dulles Intl
Discover carefully curated flight deals from Southeast Asia to Dulles Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 September 2025.

Sun 2-1102:00SIN - IAD

2 stops41h 23mMultiple Airlines

Mon 10-1107:43IAD - SIN

2 stops40h 22mMultiple Airlines

Deal found 19-9S$ 1,238

Thu 23-1022:30SIN - IAD

1 stop24h 25mKorean Air

Wed 29-1012:50IAD - SIN

1 stop23h 20mKorean Air

Deal found 17-9S$ 1,274

Sun 16-1101:35SIN - IAD

2 stops36h 19mDelta

Sun 23-1106:00IAD - SIN

2 stops34h 00mDelta

Deal found 17-9S$ 1,278

Thu 25-1210:25SIN - IAD

1 stop38h 20mTurkish Airlines

Thu 15-121:15IAD - SIN

1 stop22h 30mTurkish Airlines

Deal found 18-9S$ 1,398

Tue 18-1110:40SIN - IAD

1 stop36h 10mKorean Air

Thu 5-211:50IAD - SIN

1 stop23h 20mKorean Air

Deal found 18-9S$ 1,275

Thu 25-1210:40SIN - IAD

2 stops25h 15mDelta

Thu 15-106:15IAD - SIN

2 stops28h 55mDelta

Deal found 18-9S$ 1,278

Tue 18-1114:25SIN - IAD

2 stops28h 58mMultiple Airlines

Thu 5-218:55IAD - SIN

2 stops29h 10mMultiple Airlines

Deal found 18-9S$ 1,354

Wed 22-1001:10SIN - IAD

2 stops32h 21mDelta

Wed 29-1007:35IAD - SIN

2 stops33h 25mDelta

Deal found 17-9S$ 1,278

Mon 3-1100:55BKK - IAD

1 stop20h 55mKorean Air

Tue 18-1111:50IAD - BKK

1 stop23h 30mKorean Air

Deal found 19-9S$ 1,426

Tue 10-301:35SIN - IAD

2 stops29h 37mDelta

Sun 15-319:59IAD - SIN

2 stops36h 26mDelta

Deal found 18-9S$ 1,414

Mon 3-1123:15BKK - IAD

1 stop22h 35mKorean Air

Mon 10-1111:50IAD - BKK

1 stop24h 55mKorean Air

Deal found 16-9S$ 1,428

Fri 27-200:55BKK - IAD

1 stop20h 55mKorean Air

Sat 16-513:15IAD - BKK

1 stop23h 25mKorean Air

Deal found 17-9S$ 1,428

Fri 3-1009:50BKK - IAD

2 stops31h 11mDelta

Sun 19-1006:18IAD - BKK

2 stops31h 47mDelta

Deal found 19-9S$ 1,429

Thu 4-1223:15BKK - IAD

1 stop22h 35mKorean Air

Wed 31-1211:50IAD - BKK

1 stop37h 35mKorean Air

Deal found 17-9S$ 1,428

Fri 3-1009:50BKK - IAD

2 stops24h 48mDelta

Sat 18-1017:52IAD - BKK

2 stops40h 53mDelta

Deal found 19-9S$ 1,429

Sun 2-1100:55BKK - IAD

2 stops34h 05mDelta

Mon 17-1106:03IAD - BKK

2 stops30h 42mDelta

Deal found 19-9S$ 1,429

Mon 3-1121:30BKK - IAD

1 stop24h 20mKorean Air

Mon 17-1111:50IAD - BKK

1 stop23h 30mKorean Air

Deal found 18-9S$ 1,433

Thu 23-1002:35BKK - IAD

2 stops32h 37mDelta

Tue 4-1107:05IAD - BKK

2 stops29h 40mDelta

Deal found 19-9S$ 1,429

Sat 20-1200:55BKK - IAD

2 stops34h 32mDelta

Fri 2-107:05IAD - BKK

2 stops28h 15mDelta

Deal found 19-9S$ 1,429

Mon 8-1200:55BKK - IAD

2 stops27h 28mDelta

Tue 30-1207:05IAD - BKK

2 stops29h 40mDelta

Deal found 16-9S$ 1,435

Last-minute flights from Southeast Asia to Dulles Intl
Discover last-minute flight deals from Southeast Asia to Dulles Intl. Data last updated 19 September 2025 and is based on user searches.

Tue 23-908:40BKK - IAD

1 stop35h 00mQatar Airways

Thu 25-921:00IAD - BKK

1 stop22h 55mQatar Airways

Deal found 19-9S$ 1,483

Wed 24-901:10SIN - IAD

2 stops26h 57mDelta

Sun 5-1006:15IAD - SIN

2 stops34h 45mDelta

Deal found 18-9S$ 1,278

Thu 2-1002:35BKK - IAD

2 stops32h 03mDelta

Sun 19-1006:00IAD - BKK

2 stops28h 45mDelta

Deal found 19-9S$ 1,429

Sun 5-1009:10SIN - IAD

2 stops36h 28mAir Canada

Sun 19-1009:35IAD - SIN

2 stops33h 30mAir Canada

Deal found 17-9S$ 1,119

Thu 9-1009:10SIN - IAD

2 stops36h 28mAir Canada

Sat 25-1017:22IAD - SIN

2 stops49h 38mAir Canada

Deal found 17-9S$ 1,319

Thu 9-1010:15SIN - IAD

1 stop37h 30mTurkish Airlines

Sat 25-1022:15IAD - SIN

1 stop23h 45mTurkish Airlines

Deal found 18-9S$ 1,360

Thu 16-1019:45SIN - IAD

2 stops36h 00mIndiGo

Fri 7-1121:10IAD - SIN

2 stops31h 10mIndiGo

Deal found 17-9S$ 1,248

Thu 16-1010:15SIN - IAD

1 stop37h 30mTurkish Airlines

Fri 7-1121:15IAD - SIN

1 stop22h 30mTurkish Airlines

Deal found 17-9S$ 1,307

Thu 23-1019:45SIN - IAD

2 stops36h 00mIndiGo

Wed 29-1014:30IAD - SIN

2 stops38h 50mIndiGo

Deal found 17-9S$ 1,176

Thu 23-1023:25SIN - IAD

1 stop32h 05mMultiple Airlines

Wed 29-1014:30IAD - SIN

2 stops38h 50mMultiple Airlines

Deal found 17-9S$ 1,245

Thu 23-1022:30SIN - IAD

1 stop24h 25mKorean Air

Wed 29-1012:50IAD - SIN

1 stop23h 20mKorean Air

Deal found 17-9S$ 1,274

Fri 31-1002:00SIN - IAD

2 stops41h 23mMultiple Airlines

Sat 8-1107:43IAD - SIN

2 stops40h 22mMultiple Airlines

Deal found 17-9S$ 1,315

One-way flights from Southeast Asia to Dulles Intl
Search for one-way flight options from Southeast Asia to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated 19 September 2025.

Mon 17-1123:55SIN - IAD

1 stop31h 35mAir China

Deal found 17-9S$ 566

Wed 8-1019:45SIN - IAD

2 stops36h 00mIndiGo

Deal found 19-9S$ 608

Thu 23-1019:45SIN - IAD

2 stops36h 00mIndiGo

Deal found 17-9S$ 645

Mon 17-1119:40SIN - IAD

2 stops36h 35mIndiGo

Deal found 17-9S$ 653

Thu 23-1023:25SIN - IAD

1 stop32h 05mAir China

Deal found 17-9S$ 685

Sat 8-1119:45SIN - IAD

2 stops36h 30mIndiGo

Deal found 17-9S$ 686

Wed 26-1119:40SIN - IAD

2 stops36h 35mIndiGo

Deal found 17-9S$ 693

Thu 27-1108:50SIN - IAD

2 stops25h 04mAir Canada

Deal found 17-9S$ 694

Fri 3-1019:45SIN - IAD

2 stops36h 00mIndiGo

Deal found 18-9S$ 720

Wed 3-1219:40SIN - IAD

2 stops36h 35mIndiGo

Deal found 18-9S$ 735

Thu 4-1208:50SIN - IAD

2 stops39h 33mAir Canada

Deal found 17-9S$ 736

Thu 9-1009:10SIN - IAD

2 stops36h 28mAir Canada

Deal found 17-9S$ 747

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 2-11

02:00-06:23

2 stops41h 23m

Washington, D.C. Dulles Intl

Mon 10-11

07:43-13:05

2 stops40h 22m

S$ 1,238

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 23-10

22:30-10:55

1 stop24h 25m

Washington, D.C. Dulles Intl

Wed 29-10

12:50-00:10

1 stop23h 20m

S$ 1,274

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 18-11

10:40-09:50

1 stop36h 10m

Washington, D.C. Dulles Intl

Thu 5-2

11:50-00:10

1 stop23h 20m

S$ 1,275

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 16-11

01:35-00:54

2 stops36h 19m

Washington, D.C. Dulles Intl

Sun 23-11

06:00-05:00

2 stops34h 00m

S$ 1,278

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 25-12

10:40-22:55

2 stops25h 15m

Washington, D.C. Dulles Intl

Thu 15-1

06:15-00:10

2 stops28h 55m

S$ 1,278

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 22-10

01:10-21:31

2 stops32h 21m

Washington, D.C. Dulles Intl

Wed 29-10

07:35-05:00

2 stops33h 25m

S$ 1,278

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 18-11

14:25-06:23

2 stops28h 58m

Washington, D.C. Dulles Intl

Thu 5-2

18:55-13:05

2 stops29h 10m

S$ 1,354

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 25-12

10:25-11:45

1 stop38h 20m

Washington, D.C. Dulles Intl

Thu 15-1

21:15-08:45

1 stop22h 30m

S$ 1,398

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 10-3

01:35-19:12

2 stops29h 37m

Washington, D.C. Dulles Intl

Sun 15-3

19:59-20:25

2 stops36h 26m

S$ 1,414

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 3-11

00:55-09:50

1 stop20h 55m

Washington, D.C. Dulles Intl

Tue 18-11

11:50-23:20

1 stop23h 30m

S$ 1,426

Flights are sorted by cheapest return flights first.

Deals found on 17-9

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 a feel of what it's like to fly with Korean Air, Qatar Airways, andUnited 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.

8.4

Very Good

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!!

8.4

Very Good

8.4

Very Good

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!!

7.4

Good

8.4

Very Good

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

8.4

Very Good

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

8.4

Very Good

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!!

5.5

Fair

8.4

Very Good

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

How long is the flight from Southeast Asia to Washington, D.C. Dulles Intl Airport?
There are many flights that can get you from Southeast Asia to Washington, D.C. Dulles Intl Airport in 24h 25m. Fly via Korean Air or Delta to get the fastest option. Airlines will cover a distance of 15521 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
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

Alternative routes for Southeast Asia to Dulles Intl

Singapore to Dulles Intl flights

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Complete your trip

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Adams Morgan car hire

Anacostia car hire

Top 5 airlines flying from Southeast Asia to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Turkish Airlines	CheapestS$ 1,251	AverageS$ 1,485	FlexibilityNo cancel fee	On-time77%	Search Turkish Airlines flights
United Airlines	CheapestS$ 1,269	AverageS$ 1,589	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air India	CheapestS$ 1,321	AverageS$ 1,413	FlexibilityNo cancel fee	On-timeN/A	Search Air India flights
Korean Air	CheapestS$ 1,615	AverageS$ 2,218	FlexibilityNo cancel fee	On-time81%	Search Korean Air flights
Qatar Airways	CheapestS$ 1,770	AverageS$ 1,974	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways flights

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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?

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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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