HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$583+ Cheap flights from Thailand to Dulles Intl (IAD)

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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — IAD
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Thailand to Dulles Intl with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Thailand to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Thailand (TH0) 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 December 22, 2024.

Round-trip from

$1,045
(United Airlines)

One-way from

$583
(Air China)
From Thailand to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Thailand to Washington, D.C. Dulles Intl
Search Deals

Find flight deals from Thailand to Dulles Intl

Cheapest flights from Thailand to Dulles Intl
Explore the most affordable flight options available from Thailand to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2024.

This Delta deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/219:30 pmBKK - IAD
2 stops26h 20mDelta
Sat 12/286:00 amIAD - BKK
2 stops30h 45mDelta
Deal found 12/21$1,413
This American Airlines deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/217:35 pmBKK - IAD
1 stop24h 45mMultiple Airlines
Sat 12/288:05 pmIAD - BKK
1 stop34h 40mMultiple Airlines
Deal found 12/21$1,481
This KAYAK deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/297:45 pmCNX - IAD
2 stops54h 50mMultiple Airlines
Sun 1/55:30 pmIAD - CNX
2 stops32h 15mMultiple Airlines
Deal found 12/20$1,739
This Delta deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2812:15 amCNX - IAD
1 stop21h 35mDelta
Sun 1/56:00 amIAD - CNX
2 stops29h 05mDelta
Deal found 12/20$1,786
This Emirates deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/313:10 amBKK - IAD
1 stop41h 00mEmirates
Thu 1/1610:30 amIAD - BKK
1 stop33h 05mEmirates
Deal found 12/20$1,875
This Korean Air deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/293:20 pmCNX - IAD
1 stop30h 30mKorean Air
Sun 1/511:50 amIAD - CNX
1 stop23h 15mKorean Air
Deal found 12/20$2,097

Find flights from Thailand to Dulles Intl within your budget

Customize your flight search to find flights from Thailand 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 2,558,603 searches. Data last updated December 22, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 2/3

7:10 am-10:09 pm

2 stops26h 59m

Washington, D.C. Dulles Intl

Fri 2/21

8:35 am-12:05 am

2 stops27h 30m

$1,045

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 2/17

3:20 pm-2:45 pm

1 stop35h 25m

Washington, D.C. Dulles Intl

Mon 2/24

6:10 pm-11:35 pm

2 stops41h 25m

$1,065

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Fri 2/21

11:05 pm-2:10 pm

1 stop27h 05m

Washington, D.C. Dulles Intl

Tue 4/15

5:35 pm-9:50 pm

2 stops41h 15m

$1,073

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 1/16

3:15 pm-9:10 am

1 stop29h 55m

Washington, D.C. Dulles Intl

Sun 2/2

1:15 pm-5:10 am

2 stops27h 55m

$1,121

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 1/21

8:00 am-11:30 am

2 stops39h 30m

Washington, D.C. Dulles Intl

Tue 2/4

3:55 pm-6:15 am

2 stops50h 20m

$1,122

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 2/3

2:00 pm-2:35 pm

1 stop36h 35m

Washington, D.C. Dulles Intl

Tue 2/18

6:00 pm-3:30 pm

1 stop33h 30m

$1,131

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Wed 2/12

12:15 am-11:36 pm

2 stops35h 21m

Washington, D.C. Dulles Intl

Fri 2/21

6:59 pm-11:05 pm

2 stops40h 06m

$1,141

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 2/5

1:00 am-11:36 pm

2 stops34h 36m

Washington, D.C. Dulles Intl

Tue 2/18

5:16 pm-12:45 am

2 stops43h 29m

$1,146

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sun 4/6

9:20 pm-3:50 pm

2 stops29h 30m

Washington, D.C. Dulles Intl

Wed 4/30

10:20 pm-2:10 pm

1 stop28h 50m

$1,159

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Sun 5/11

11:35 am-5:55 am

2 stops29h 20m

Washington, D.C. Dulles Intl

Tue 5/13

7:55 pm-10:25 am

2 stops27h 30m

$1,187

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 55 results
1
2
3
...
6

Best time to book a flight from Thailand to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Thailand with our price prediction graph.
Estimated round-trip 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.

Travel insights for flights from Thailand to Dulles Intl

Get recent, data-driven insights about flights from Thailand to Dulles Intl including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Thailand to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Thailand to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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.

What is the cheapest time of day to fly from TH to IAD?

Find hourly flight availability from Thailand to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 22, 2024.

When flying from Thailand to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 December 22, 2024.
Peruse reviews from past customers who have flown with Air China, Delta and Austrian Airlines from Thailand to Washington, D.C. to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,025 reviews

Boarding

8.5

Crew

8.7

Food

8.1

Entertainment

8.2

Overall

8.4

Comfort

8.3

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.4
Very good
1,025 reviews
Korean Air
8.4
Very good
1,025 reviews

Boarding

8.5

Crew

8.7

Food

8.1

Entertainment

8.2

Overall

8.4

Comfort

8.3

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

ANA
8.4
Very good
844 reviews
Korean Air
8.4
Very good
1,025 reviews

Boarding

8.5

Crew

8.7

Food

8.1

Entertainment

8.2

Overall

8.4

Comfort

8.3

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Japan Airlines
8.3
Very good
1,440 reviews
Korean Air
8.4
Very good
1,025 reviews

Boarding

8.5

Crew

8.7

Food

8.1

Entertainment

8.2

Overall

8.4

Comfort

8.3

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

China Airlines
8.3
Very good
754 reviews
Korean Air
8.4
Very good
1,025 reviews

Boarding

8.5

Crew

8.7

Food

8.1

Entertainment

8.2

Overall

8.4

Comfort

8.3

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Asiana Airlines
8.3
Very good
474 reviews
Korean Air
8.4
Very good
1,025 reviews

Boarding

8.5

Crew

8.7

Food

8.1

Entertainment

8.2

Overall

8.4

Comfort

8.3

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Related info for your journey

Find useful and relevant information for your journey from Thailand 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 Thailand to Washington, D.C. Dulles Intl Airport one-way?

    The cheapest airline one-way is Air China, with whom users have recently found tickets for as low as $583. However, be on the lookout for offers from IndiGo and Air Canada, as they are both options that can get you from Thailand to Washington, D.C. Dulles Intl Airport for a low price.

  • What are the most popular routes from Thailand to Washington, D.C. Dulles Intl Airport?

    The most popular flight routes from Thailand to Washington, D.C. Dulles Intl Airport are Bangkok Suvarnabhumi - Washington, D.C. Dulles Intl, Chiang Mai - Washington, D.C. Dulles Intl and Bangkok Don Mueang Intl - Washington, D.C. Dulles Intl.

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

    Yes. In addition to deals on Thailand to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

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

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

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

    Yes. Cheapflights offers flight deals from Thailand 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 Thailand to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Thailand to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Thailand to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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

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 Thailand to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
New Delhi to Dulles Intl flights
New Delhi to Reagan-National flights
Hyderabad to Dulles Intl flights
Incheon Intl to Dulles Intl flights
New Delhi to Baltimore flights
Hyderabad to Reagan-National flights
Hyderabad to Baltimore flights
Mumbai to Dulles Intl flights
Taiwan Taoyuan Intl to Dulles Intl flights
Suvarnabhumi to Dulles Intl flights
Taiwan Taoyuan Intl to Baltimore flights
Taiwan Taoyuan Intl to Reagan-National flights
Haneda to Dulles Intl flights
Manila to Dulles Intl flights
Islamabad to Dulles Intl flights
Incheon Intl to Reagan-National flights
Mumbai to Reagan-National flights
Mumbai to Baltimore flights
Lahore to Dulles Intl flights
Ahmedabad to Dulles Intl flights
Islamabad to Reagan-National flights
Karachi to Dulles Intl flights
Bangalore to Dulles Intl flights
Incheon Intl to Baltimore flights
Kathmandu to Dulles Intl flights
Capital to Dulles Intl flights
Hongqiao Intl to Dulles Intl flights
Manila to Reagan-National flights
Bangalore to Baltimore flights
Manila to Baltimore flights
Capital to Reagan-National flights
Dhaka to Dulles Intl flights
Haneda to Reagan-National flights
Chennai to Dulles Intl flights
Ho Chi Minh City to Dulles Intl flights
Lahore to Reagan-National flights
Chennai to Baltimore flights
Kathmandu to Reagan-National flights
Chennai to Reagan-National flights
Narita to Dulles Intl flights
Capital to Baltimore flights
Bangalore to Reagan-National flights
Haneda to Baltimore flights
Hongqiao Intl to Reagan-National flights
Narita to Baltimore flights
Narita to Reagan-National flights

Top 7 airlines flying from Thailand to Dulles Intl

Discover the top 7 airlines that operate flights from Thailand 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 2,558,603 searches. Data last updated December 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$854Average$1,284FlexibilityNo cancel feeOn-timeN/A
ANACheapest$919Average$1,075FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$937Average$1,093FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$1,035Average$1,175FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,217Average$1,406FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,302Average$1,486FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$1,351Average$1,422FlexibilityNo cancel feeOn-time71%
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.