S$ 701+ 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

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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 12 December 2025.

Wed 24-1216:55BKK - IAD

3 stops35h 29mUnited Airlines

Wed 31-1207:45IAD - BKK

2 stops39h 40mUnited Airlines

Deal found 11-12S$ 1,532

Wed 24-1223:15BKK - IAD

2 stops24h 37mDelta

Wed 31-1206:00IAD - BKK

2 stops29h 20mDelta

Deal found 11-12S$ 1,571

Mon 22-1221:30BKK - IAD

2 stops37h 57mDelta

Wed 7-107:30IAD - BKK

2 stops41h 55mDelta

Deal found 12-12S$ 1,576

Fri 19-1210:10SIN - IAD

2 stops25h 56mUnited Airlines

Fri 16-122:20IAD - SIN

1 stop44h 40mUnited Airlines

Deal found 11-12S$ 1,625

Sun 14-1222:20SIN - IAD

2 stops35h 22mUnited Airlines

Tue 16-1208:20IAD - SIN

2 stops33h 35mUnited Airlines

Deal found 11-12S$ 1,675

Sat 20-1200:55BKK - IAD

2 stops34h 32mDelta

Thu 1-111:50IAD - BKK

1 stop25h 05mDelta

Deal found 10-12S$ 1,695

Mon 22-1202:05BKK - IAD

2 stops33h 13mDelta

Tue 30-1207:05IAD - BKK

2 stops29h 40mDelta

Deal found 12-12S$ 1,705

Thu 25-1210:10SIN - IAD

2 stops25h 56mUnited Airlines

Sun 28-1218:37IAD - SIN

1 stop36h 38mUnited Airlines

Deal found 11-12S$ 1,761

Fri 19-1210:10SIN - IAD

2 stops25h 56mUnited Airlines

Tue 30-1222:05IAD - SIN

1 stop33h 10mUnited Airlines

Deal found 11-12S$ 1,765

Sat 13-1222:20SIN - IAD

2 stops35h 23mUnited Airlines

Tue 16-1208:20IAD - SIN

2 stops33h 35mUnited Airlines

Deal found 11-12S$ 1,775

Tue 23-1209:10BKK - IAD

2 stops44h 20mUnited Airlines

Tue 30-1208:20IAD - BKK

3 stops39h 05mUnited Airlines

Deal found 12-12S$ 1,808

Fri 19-1210:15SIN - IAD

1 stop42h 40mMultiple Airlines

Fri 16-114:35IAD - SIN

1 stop30h 00mMultiple Airlines

Deal found 11-12S$ 1,814

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 12 December 2025.

Fri 23-119:25SIN - IAD

1 stop26h 40mEtihad Airways

Thu 5-214:35IAD - SIN

1 stop30h 00mEtihad Airways

Deal found 11-12S$ 1,214

Tue 5-502:40BKK - IAD

2 stops49h 25mMultiple Airlines

Wed 13-517:30IAD - BKK

2 stops35h 50mMultiple Airlines

Deal found 12-12S$ 1,352

Mon 26-109:10BKK - IAD

1 stop36h 00mUnited Airlines

Mon 2-208:20IAD - BKK

2 stops32h 50mUnited Airlines

Deal found 11-12S$ 1,353

Wed 10-621:40BKK - IAD

1 stop24h 35mKorean Air

Sun 12-713:30IAD - BKK

1 stop24h 35mKorean Air

Deal found 10-12S$ 1,360

Thu 14-521:10SIN - IAD

1 stop24h 35mEtihad Airways

Sat 8-815:35IAD - SIN

1 stop29h 40mEtihad Airways

Deal found 10-12S$ 1,244

Sun 25-109:10BKK - IAD

2 stops58h 25mUnited Airlines

Sun 1-222:28IAD - BKK

2 stops42h 42mUnited Airlines

Deal found 11-12S$ 1,356

Mon 8-621:40BKK - IAD

1 stop24h 35mKorean Air

Thu 9-713:30IAD - BKK

1 stop22h 55mKorean Air

Deal found 10-12S$ 1,360

Sun 1-319:25SIN - IAD

1 stop26h 40mEtihad Airways

Thu 30-415:35IAD - SIN

1 stop29h 40mEtihad Airways

Deal found 10-12S$ 1,245

Thu 5-317:50BKK - IAD

2 stops35h 30mMultiple Airlines

Wed 15-417:30IAD - BKK

2 stops29h 15mMultiple Airlines

Deal found 11-12S$ 1,409

Thu 23-407:00BKK - IAD

2 stops28h 39mUnited Airlines

Tue 28-410:20IAD - BKK

3 stops36h 25mUnited Airlines

Deal found 10-12S$ 1,359

Fri 5-621:40BKK - IAD

1 stop24h 35mKorean Air

Wed 8-713:30IAD - BKK

1 stop22h 55mKorean Air

Deal found 10-12S$ 1,360

Thu 12-219:25SIN - IAD

1 stop26h 40mEtihad Airways

Sun 15-214:35IAD - SIN

1 stop30h 00mEtihad Airways

Deal found 9-12S$ 1,269

Sun 8-207:10BKK - IAD

2 stops27h 08mUnited Airlines

Sun 15-208:15IAD - BKK

2 stops32h 55mUnited Airlines

Deal found 11-12S$ 1,360

Fri 23-119:25SIN - IAD

1 stop26h 40mEtihad Airways

Mon 26-114:35IAD - SIN

1 stop30h 00mEtihad Airways

Deal found 11-12S$ 1,277

Wed 22-407:00BKK - IAD

2 stops33h 33mUnited Airlines

Tue 28-413:05IAD - BKK

3 stops33h 40mUnited Airlines

Deal found 11-12S$ 1,364

Thu 12-319:25SIN - IAD

1 stop26h 40mEtihad Airways

Sat 21-315:35IAD - SIN

1 stop30h 00mEtihad Airways

Deal found 10-12S$ 1,310

Sat 24-116:55BKK - IAD

3 stops36h 40mUnited Airlines

Sat 31-115:19IAD - BKK

2 stops32h 06mUnited Airlines

Deal found 10-12S$ 1,368

Fri 13-319:25SIN - IAD

1 stop26h 40mEtihad Airways

Fri 20-315:35IAD - SIN

1 stop30h 00mEtihad Airways

Deal found 10-12S$ 1,348

Last-minute flights from Southeast Asia to Dulles Intl
Discover last-minute flight deals from Southeast Asia to Dulles Intl. Data last updated 12 December 2025 and is based on user searches.

Thu 22-106:35SIN - IAD

2 stops46h 11mAir Canada

Mon 26-109:00IAD - SIN

2 stops57h 00mAir Canada

Deal found 11-12S$ 1,222

Thu 22-110:25SIN - IAD

1 stop45h 55mTurkish Airlines

Mon 26-113:30IAD - SIN

1 stop31h 30mTurkish Airlines

Deal found 11-12S$ 1,302

Fri 23-119:25SIN - IAD

1 stop26h 40mEtihad Airways

Thu 5-214:35IAD - SIN

1 stop30h 00mEtihad Airways

Deal found 11-12S$ 1,214

Fri 23-119:25SIN - IAD

1 stop26h 40mEtihad Airways

Mon 26-114:35IAD - SIN

1 stop30h 00mEtihad Airways

Deal found 11-12S$ 1,277

Sat 24-119:25SIN - IAD

1 stop26h 40mEtihad Airways

Sat 31-114:35IAD - SIN

1 stop30h 00mEtihad Airways

Deal found 10-12S$ 1,198

Sat 24-116:55BKK - IAD

3 stops36h 40mUnited Airlines

Sat 31-115:19IAD - BKK

2 stops32h 06mUnited Airlines

Deal found 10-12S$ 1,368

Sat 24-119:25SIN - IAD

1 stop26h 40mMultiple Airlines

Sat 31-121:15IAD - SIN

2 stops48h 00mMultiple Airlines

Deal found 10-12S$ 1,372

Sun 25-110:25SIN - IAD

1 stop45h 55mTurkish Airlines

Sun 1-213:30IAD - SIN

1 stop30h 15mTurkish Airlines

Deal found 11-12S$ 1,315

Sun 25-109:10BKK - IAD

1 stop36h 00mUnited Airlines

Sun 1-208:20IAD - BKK

2 stops28h 00mUnited Airlines

Deal found 10-12S$ 1,352

Mon 26-109:10BKK - IAD

1 stop36h 00mUnited Airlines

Mon 2-208:20IAD - BKK

2 stops32h 50mUnited Airlines

Deal found 11-12S$ 1,353

Thu 29-119:25SIN - IAD

1 stop26h 40mEtihad Airways

Thu 5-214:35IAD - SIN

1 stop30h 00mEtihad Airways

Deal found 11-12S$ 1,225

Thu 29-108:50SIN - IAD

2 stops44h 34mAir Canada

Thu 5-209:00IAD - SIN

2 stops26h 55mAir Canada

Deal found 11-12S$ 1,295

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 12 December 2025.

Mon 22-1217:55SIN - IAD

1 stop37h 35mAir China

Deal found 11-12S$ 701

Fri 26-1219:25SIN - IAD

1 stop26h 40mEtihad Airways

Deal found 12-12S$ 745

Tue 10-219:25SIN - IAD

1 stop26h 40mEtihad Airways

Deal found 12-12S$ 746

Sun 25-119:25SIN - IAD

1 stop26h 40mEtihad Airways

Deal found 11-12S$ 755

Sat 28-219:40SIN - IAD

2 stops50h 25mMultiple Airlines

Deal found 11-12S$ 764

Mon 22-1211:15SIN - IAD

2 stops45h 05mIndiGo

Deal found 10-12S$ 768

Wed 25-319:25SIN - IAD

1 stop26h 40mEtihad Airways

Deal found 11-12S$ 769

Sat 14-323:00SIN - IAD

2 stops47h 05mMultiple Airlines

Deal found 12-12S$ 777

Mon 9-204:15SIN - IAD

2 stops41h 50mMultiple Airlines

Deal found 12-12S$ 781

Mon 12-117:55SIN - IAD

1 stop37h 35mAir China

Deal found 12-12S$ 823

Sun 1-310:55BKK - IAD

2 stops30h 45mMultiple Airlines

Deal found 11-12S$ 858

Sat 14-200:55BKK - IAD

1 stop20h 55mKorean Air

Deal found 9-12S$ 871

Find flight deals from Southeast Asia to Dulles Intl

Round-trip from	S$ 1,198
One-way from	S$ 701

Etihad Airways

Etihad Airways
24-1-31-1
2 total stops
56h 40m total
Southeast Asia to Washington, D.C.

Air China

Air China
22-12
1 total stop
37h 35m total
Southeast Asia to Washington, D.C.

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

Fri 23-1

19:25-09:05

1 stop26h 40m

Washington, D.C. Dulles Intl

Thu 5-2

14:35-09:35

1 stop30h 00m

S$ 1,214

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 14-5

21:10-09:45

1 stop24h 35m

Washington, D.C. Dulles Intl

Sat 8-8

15:35-09:15

1 stop29h 40m

S$ 1,244

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$ 1,245

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 12-2

19:25-09:05

1 stop26h 40m

Washington, D.C. Dulles Intl

Sun 15-2

14:35-09:35

1 stop30h 00m

S$ 1,269

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 23-1

19:25-09:05

1 stop26h 40m

Washington, D.C. Dulles Intl

Mon 26-1

14:35-09:35

1 stop30h 00m

S$ 1,277

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 12-3

19:25-10:05

1 stop26h 40m

Washington, D.C. Dulles Intl

Sat 21-3

15:35-09:35

1 stop30h 00m

S$ 1,310

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 13-3

19:25-10:05

1 stop26h 40m

Washington, D.C. Dulles Intl

Fri 20-3

15:35-09:35

1 stop30h 00m

S$ 1,348

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 5-5

02:40-17:05

2 stops49h 25m

Washington, D.C. Dulles Intl

Wed 13-5

17:30-16:20

2 stops35h 50m

S$ 1,352

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 26-1

09:10-09:10

1 stop36h 00m

Washington, D.C. Dulles Intl

Mon 2-2

08:20-05:10

2 stops32h 50m

S$ 1,353

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sun 25-1

09:10-07:35

2 stops58h 25m

Washington, D.C. Dulles Intl

Sun 1-2

22:28-05:10

2 stops42h 42m

S$ 1,356

Flights are sorted by cheapest return flights first.

Deals found on 11-12

Showing 1-10 of 39 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

What is the cheapest month to book a flight from Southeast Asia to Washington, D.C. Dulles Intl Airport?

Currently, October is the cheapest month in which you can book a flight from Southeast Asia to Washington, D.C. Dulles Intl Airport (average of S$ 1,020). Flying from Southeast Asia to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of S$ 1,254). 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 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 20m. Fly via Etihad Airways, United Airlines, or Korean Air to get the fastest option. Airlines will cover a distance of 14149 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.
What is the cheapest month to book a flight from Southeast Asia to Washington, D.C. Dulles Intl Airport?
Currently, October is the cheapest month in which you can book a flight from Southeast Asia to Washington, D.C. Dulles Intl Airport (average of S$ 1,020). Flying from Southeast Asia to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of S$ 1,254). 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 Southeast Asia to Dulles Intl

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Top 5 airlines flying from Southeast Asia to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Turkish Airlines	CheapestS$ 1,248	AverageS$ 1,488	FlexibilityNo cancel fee	On-time77%	Search Turkish Airlines flights
Korean Air	CheapestS$ 1,277	AverageS$ 1,968	FlexibilityNo cancel fee	On-time81%	Search Korean Air flights
Air India	CheapestS$ 1,333	AverageS$ 1,378	FlexibilityNo cancel fee	On-timeN/A	Search Air India flights
United Airlines	CheapestS$ 1,430	AverageS$ 1,604	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Qatar Airways	CheapestS$ 1,792	AverageS$ 1,915	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways flights

Fly with Cheapflights

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?

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