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$289+ Cheap flights from Pennsylvania to 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BKK
May 18 — May 251
Mon 5/18
Mon 5/25
1 adult, Economy
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Cheap flight deals from Pennsylvania to Thailand

Cheapest flights from Pennsylvania to Thailand
Explore the most affordable flight options available from Pennsylvania to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 18, 2026.

This CrystalTravel deal was found by Cheapflights users on 4/14. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/73:10 pm
IAD
-
BKK
1 stop28h 05m
Etihad Airways
Thu 9/249:00 pm
BKK
-
IAD
1 stop23h 45m
Etihad Airways
Deal found 4/14$844
This lastminute.com deal was found by Cheapflights users on 4/13. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/103:00 pm
JFK
-
BKK
1 stop31h 45m
Gulf Air
Tue 5/268:15 pm
BKK
-
JFK
1 stop24h 45m
Gulf Air
Deal found 4/13$846
This SmartFares deal was found by Cheapflights users on 4/13. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/43:10 pm
IAD
-
BKK
1 stop28h 35m
Etihad Airways
Wed 5/208:40 pm
BKK
-
IAD
1 stop24h 05m
Etihad Airways
Deal found 4/13$847
This CrystalTravel deal was found by Cheapflights users on 4/15. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/302:05 pm
IAD
-
BKK
1 stop29h 40m
Etihad Airways
Fri 5/159:00 pm
BKK
-
IAD
1 stop23h 45m
Etihad Airways
Deal found 4/15$850
This Gotogate deal was found by Cheapflights users on 4/14. 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.
Sun 4/192:05 pm
IAD
-
BKK
1 stop42h 00m
Etihad Airways
Mon 5/49:15 am
BKK
-
IAD
1 stop35h 30m
Etihad Airways
Deal found 4/14$853
This Gotogate deal was found by Cheapflights users on 4/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:00 pm
JFK
-
BKK
1 stop42h 05m
SAUDIA
Sat 5/93:25 pm
BKK
-
JFK
1 stop34h 20m
SAUDIA
Deal found 4/16$854
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:45 am
JFK
-
BKK
1 stop23h 25m
Multiple Airlines
Sun 9/2011:45 am
BKK
-
JFK
1 stop22h 15m
Multiple Airlines
Deal found 4/14$855
This Gotogate deal was found by Cheapflights users on 4/17. 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.
Fri 5/13:10 pm
IAD
-
BKK
1 stop40h 50m
Etihad Airways
Sun 5/179:15 am
BKK
-
IAD
1 stop35h 30m
Etihad Airways
Deal found 4/17$856
This CrystalTravel deal was found by Cheapflights users on 4/14. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/103:10 pm
IAD
-
BKK
1 stop28h 35m
Etihad Airways
Fri 5/228:40 pm
BKK
-
IAD
1 stop24h 05m
Etihad Airways
Deal found 4/14$857
This Philippine Airlines deal was found by Cheapflights users on 4/16. 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:00 pm
JFK
-
BKK
2 stops28h 55m
Multiple Airlines
Sun 5/177:30 pm
BKK
-
JFK
1 stop38h 50m
Multiple Airlines
Deal found 4/16$857
This Gotogate deal was found by Cheapflights users on 4/13. 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.
Thu 4/162:05 pm
IAD
-
BKK
1 stop41h 55m
Etihad Airways
Sat 5/29:00 pm
BKK
-
IAD
1 stop23h 45m
Etihad Airways
Deal found 4/13$858
This Gotogate deal was found by Cheapflights users on 4/17. 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 9/163:00 pm
JFK
-
BKK
1 stop31h 45m
Gulf Air
Thu 10/18:15 pm
BKK
-
JFK
1 stop24h 10m
Gulf Air
Deal found 4/17$859

Find flight deals from Pennsylvania to Thailand

Keep the following information in mind while searching for Pennsylvania to Thailand flight deals. Data was last updated April 18, 2026.

Round-trip from

$844
(CrystalTravel)

One-way from

$289
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,173
From Pennsylvania to Thailand
Search Deals
One-way flight from Pennsylvania to Thailand
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($195 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pennsylvania to Thailand 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 April 18, 2026.
Use the filters below to find and compare flights from Pennsylvania to Thailand that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Wed 8/26

8:28 am-11:50 am

2 stops40h 22m

Bangkok Suvarnabhumi

Fri 9/11

3:15 am-8:57 pm

2 stops28h 42m

$1,009

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Tue 9/15

1:00 pm-11:50 pm

2 stops23h 50m

Bangkok Suvarnabhumi

Mon 9/28

3:15 am-10:27 pm

2 stops30h 12m

$1,009

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Tue 9/1

5:44 pm-8:55 am

2 stops28h 11m

Bangkok Suvarnabhumi

Thu 10/15

1:25 pm-7:28 am

2 stops29h 03m

$1,084

NewarkBangkok

EWR - BKK

EWRBKK

Newark

Tue 9/8

6:00 am-9:45 pm

2 stops28h 45m

Bangkok Suvarnabhumi

Tue 9/22

11:30 pm-7:27 pm

2 stops30h 57m

$1,093

New YorkBangkok

JFK - BKK

JFKBKK

New York John F Kennedy Intl

Thu 9/10

7:05 am-9:45 pm

2 stops27h 40m

Bangkok Suvarnabhumi

Mon 9/21

9:40 pm-9:48 pm

2 stops35h 08m

$1,093

New YorkBangkok

LGA - BKK

LGABKK

New York LaGuardia

Mon 10/12

7:30 am-11:35 pm

2 stops29h 05m

Bangkok Suvarnabhumi

Thu 10/22

9:50 am-11:41 pm

2 stops24h 51m

$1,093

New YorkBangkok

JFK - BKK

JFKBKK

New York John F Kennedy Intl

Tue 9/1

6:30 pm-8:55 am

2 stops27h 25m

Bangkok Suvarnabhumi

Tue 9/22

1:25 pm-11:20 pm

1 stop20h 55m

$1,115

New YorkBangkok

JFK - BKK

JFKBKK

New York John F Kennedy Intl

Wed 9/9

1:10 pm-11:35 pm

1 stop23h 25m

Bangkok Suvarnabhumi

Wed 9/23

11:30 pm-1:27 pm

2 stops24h 57m

$1,138

New YorkBangkok

JFK - BKK

JFKBKK

New York John F Kennedy Intl

Thu 8/20

1:20 pm-1:05 am

1 stop24h 45m

Bangkok Suvarnabhumi

Mon 8/31

9:50 am-6:17 am

2 stops31h 27m

$1,138

New YorkBangkok

JFK - BKK

JFKBKK

New York John F Kennedy Intl

Thu 9/3

1:10 pm-11:35 pm

1 stop23h 25m

Bangkok Suvarnabhumi

Sun 9/13

11:30 pm-9:34 pm

2 stops33h 04m

$1,138

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Pennsylvania to Thailand

Have a flexible travel schedule? Discover the best time to fly to Thailand from Pennsylvania 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 Pennsylvania to Thailand

What is the cheapest month to book a flight from Pennsylvania to Thailand?

Currently, July is the cheapest month in which you can book a flight from Pennsylvania to Thailand (average of $529). Flying from Pennsylvania to Thailand in June is currently the most expensive (average of $1,053). 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.

Related info for your journey

Find useful and relevant information for your journey from Pennsylvania to Thailand. 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 Pennsylvania to Thailand?

    For as low as $1,141, Delta can have you in Thailand from Pennsylvania in 23h 45m. There are 8720 mi between Pennsylvania and Thailand. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Pennsylvania to Thailand one-way?

    To fly one-way, consider booking your trip with ANA, which is currently one of the cheapest options available, starting at $402. Qatar Airways flights start at $410 while deals on United Airlines start at $414 one-way.

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

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

  • How can I find direct flights from Pennsylvania to Thailand?

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

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

    Yes. Cheapflights offers flight deals from Pennsylvania to Thailand 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 Pennsylvania to Thailand?

    Currently, July is the cheapest month in which you can book a flight from Pennsylvania to Thailand (average of $529). Flying from Pennsylvania to Thailand in June is currently the most expensive (average of $1,053). 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 9 airlines flying from Pennsylvania to Thailand

Discover the top 9 airlines that operate flights from Pennsylvania to Thailand. 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 April 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$579Average$1,128FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$697Average$1,022FlexibilityNo cancel feeOn-time81%
ANACheapest$763Average$1,076FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$795Average$1,093FlexibilityNo cancel feeOn-time69%
Qatar AirwaysCheapest$827Average$1,195FlexibilityNo cancel feeOn-time68%
Air CanadaCheapest$857Average$1,472FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$980Average$1,272FlexibilityNo cancel feeOn-time71%
Japan AirlinesCheapest$1,049Average$1,071FlexibilityNo cancel feeOn-time79%
EVA AirCheapest$1,084Average$1,486FlexibilityNo cancel feeOn-time74%

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