HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Pattaya

$457+ Cheap flights from Dulles Intl (IAD) to Pattaya, Thailand

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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BKK
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Pattaya 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.

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Pattaya are usually found in October or September, booked 22 days in advance, depart on a Saturday or Tuesday and return on a Sunday

Cheap flight deals from Dulles Intl to Pattaya

Cheapest flights from Dulles Intl to Pattaya
Explore the most affordable flight options available from Dulles Intl to Pattaya. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3112:20 pmIAD - BKK
1 stop28h 50mUnited Airlines
Fri 1/164:55 pmBKK - IAD
2 stops24h 29mUnited Airlines
Deal found 12/16$980
This FlightHub deal was found by Cheapflights users on 12/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:30 pmIAD - BKK
1 stop31h 10mTurkish Airlines
Fri 1/165:50 amBKK - IAD
1 stop41h 55mTurkish Airlines
Deal found 12/16$985
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3112:20 pmIAD - BKK
2 stops35h 05mUnited Airlines
Mon 2/24:55 pmBKK - IAD
2 stops34h 45mUnited Airlines
Deal found 12/17$1,048
This Gotogate deal was found by Cheapflights users on 12/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:35 pmIAD - BKK
1 stop20h 50mEtihad Airways
Mon 2/27:35 pmBKK - IAD
2 stops49h 30mEtihad Airways
Deal found 12/17$1,110
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:00 pmIAD - BKK
2 stops29h 25mUnited Airlines
Sat 1/104:55 pmBKK - IAD
3 stops30h 29mUnited Airlines
Deal found 12/17$1,189
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1912:20 pmIAD - BKK
1 stop28h 50mUnited Airlines
Sat 1/104:55 pmBKK - IAD
3 stops30h 51mUnited Airlines
Deal found 12/17$1,225
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3112:20 pmIAD - BKK
2 stops35h 05mUnited Airlines
Wed 1/144:55 pmBKK - IAD
2 stops34h 45mUnited Airlines
Deal found 12/15$1,228
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:00 amIAD - BKK
2 stops35h 10mUnited Airlines
Sat 1/104:55 pmBKK - IAD
2 stops24h 37mUnited Airlines
Deal found 12/17$1,233
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1712:20 pmIAD - BKK
1 stop28h 50mUnited Airlines
Wed 1/144:55 pmBKK - IAD
2 stops34h 45mUnited Airlines
Deal found 12/17$1,246

Find flight deals from Dulles Intl to Pattaya

Keep the following information in mind while searching for Dulles Intl to Pattaya flight deals. Data was last updated December 18, 2025.

Round-trip from

$875
(oojo)

One-way from

$457
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$1,467
From Washington, D.C. Dulles Intl to Pattaya
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Pattaya
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($59 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Pattaya 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 18, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Pattaya that are best for you.

Fly from

Dulles Intl

Fly to

Pattaya

Route

Depart

Return

Price

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Tue 3/10

7:00 am-12:45 am

2 stops30h 45m

Bangkok Suvarnabhumi

Wed 3/18

2:05 am-12:26 am

2 stops33h 21m

$928

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Thu 2/5

7:00 am-12:55 am

2 stops29h 55m

Bangkok Suvarnabhumi

Tue 3/24

2:05 am-11:49 pm

2 stops32h 44m

$928

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Wed 1/28

7:30 am-12:45 am

2 stops29h 15m

Bangkok Suvarnabhumi

Sun 2/15

9:30 pm-8:45 pm

2 stops35h 15m

$928

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Mon 2/16

6:00 am-12:45 am

2 stops30h 45m

Bangkok Suvarnabhumi

Wed 2/25

2:05 am-11:55 pm

2 stops33h 50m

$928

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Mon 1/26

8:05 pm-6:25 pm

1 stop34h 20m

Bangkok Suvarnabhumi

Tue 2/17

9:05 am-3:55 pm

1 stop42h 50m

$929

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Tue 4/7

2:21 pm-9:45 am

3 stops32h 24m

Bangkok Suvarnabhumi

Mon 4/27

9:35 am-5:33 am

2 stops30h 58m

$938

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Wed 2/25

10:10 pm-5:10 am

2 stops43h 00m

Bangkok Suvarnabhumi

Wed 3/11

4:55 pm-4:40 pm

2 stops34h 45m

$941

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Sun 2/22

10:05 pm-5:10 am

2 stops43h 05m

Bangkok Suvarnabhumi

Wed 3/11

4:55 pm-4:40 pm

2 stops34h 45m

$941

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Wed 2/18

6:03 am-12:20 am

2 stops30h 17m

Bangkok Suvarnabhumi

Wed 3/11

4:55 pm-4:40 pm

2 stops34h 45m

$944

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Sun 1/25

10:20 pm-12:20 am

2 stops38h 00m

Bangkok Suvarnabhumi

Sun 2/8

4:55 pm-3:40 pm

2 stops34h 45m

$944

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 23 results
1
2
3

Best time to book a flight from Dulles Intl to Pattaya

Have a flexible travel schedule? Discover the best time to fly to Pattaya from Dulles Intl 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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Pattaya

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Pattaya?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Pattaya. Price data was last updated on December 12, 2025.

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Pattaya, you should look to book at least 22 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, May is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Pattaya (average of $628). Flying from Washington, D.C. Dulles Intl Airport to Pattaya in June is currently the most expensive (average of $1,092). 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 IAD to P4T?

Find hourly flight availability from Dulles Intl to Pattaya. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 28% on flights from Washington, D.C. Dulles Intl Airport to Pattaya by exploring options for tickets in the afternoon.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Pattaya?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Pattaya. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Pattaya flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Pattaya?

Reviews of airlines servicing Pattaya

Get insights into the airlines that provide service to Pattaya. 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 Pattaya. Reviews last updated December 18, 2025.
Read reviews from past customers who have flown Korean Air, ANA, and Qatar Airways from Washington, D.C. Dulles Intl Airport to Pattaya. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,186 reviews

Comfort

8.3

Entertainment

8.2

Crew

8.7

Boarding

8.5

Overall

8.4

Food

8.1

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!!
Korean Air
8.4
Very good
1,186 reviews
Korean Air
8.4
Very good
1,186 reviews

Comfort

8.3

Entertainment

8.2

Crew

8.7

Boarding

8.5

Overall

8.4

Food

8.1

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!!
ANA
8.4
Very good
1,030 reviews
Korean Air
8.4
Very good
1,186 reviews

Comfort

8.3

Entertainment

8.2

Crew

8.7

Boarding

8.5

Overall

8.4

Food

8.1

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!!
Qatar Airways
7.4
Good
3,686 reviews
Korean Air
8.4
Very good
1,186 reviews

Comfort

8.3

Entertainment

8.2

Crew

8.7

Boarding

8.5

Overall

8.4

Food

8.1

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!!
Etihad Airways
7.4
Good
1,332 reviews
Korean Air
8.4
Very good
1,186 reviews

Comfort

8.3

Entertainment

8.2

Crew

8.7

Boarding

8.5

Overall

8.4

Food

8.1

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
4,105 reviews
Korean Air
8.4
Very good
1,186 reviews

Comfort

8.3

Entertainment

8.2

Crew

8.7

Boarding

8.5

Overall

8.4

Food

8.1

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

Find useful and relevant information for your journey from Dulles Intl to Pattaya. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Pattaya?

    Delta and Qatar Airways can get you from Washington, D.C. Dulles Intl Airport to Pattaya in just under 30h 45m. Your travel time can differ by up to 3h 35m. The distance from Washington, D.C. Dulles Intl Airport to Pattaya is about 8792 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Pattaya one-way?

    $394 is the cheapest one-way deal found within the past few days, from Korean Air. You may also be able to find cheap deals on Etihad Airways and Turkish Airlines, with prices starting from $401 and $423, respectively.

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Pattaya (average of $628). Flying from Washington, D.C. Dulles Intl Airport to Pattaya in June is currently the most expensive (average of $1,092). 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.

Top 10 airlines flying from Dulles Intl to Pattaya

Discover the top 10 airlines that operate flights from Dulles Intl to Pattaya. 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 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$565Average$786FlexibilityNo cancel feeOn-time67%
Air IndiaCheapest$702Average$886FlexibilityNo cancel feeOn-timeN/A
Etihad AirwaysCheapest$787Average$1,027FlexibilityNo cancel feeOn-time75%
Korean AirCheapest$805Average$1,184FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$840Average$1,245FlexibilityNo cancel feeOn-time68%
Turkish AirlinesCheapest$873Average$1,151FlexibilityNo cancel feeOn-time77%
ANACheapest$895Average$993FlexibilityNo cancel feeOn-time80%
JetBlueCheapest$900Average$1,792FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$920Average$1,420FlexibilityNo cancel feeOn-time75%
DeltaCheapest$928Average$1,145FlexibilityNo cancel feeOn-timeN/A

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
Cookie settings©2025 Cheapflights