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$391+ Cheap flights from Philadelphia (PHL) to Bangkok

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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BKK
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap flight deals from Philadelphia to Bangkok

Cheapest flights from Philadelphia to Bangkok
Explore the most affordable flight options available from Philadelphia to Bangkok. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.

This FlightHub deal was found by Cheapflights users on 1/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/261:10 pm
PHL
-
BKK
2 stops29h 20m
ANA
Mon 2/210:25 pm
BKK
-
PHL
2 stops25h 42m
ANA
Deal found 1/21$731
This United Airlines deal was found by Cheapflights users on 1/19. 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 2/268:35 am
PHL
-
BKK
2 stops38h 50m
United Airlines
Wed 4/299:35 am
BKK
-
PHL
2 stops39h 41m
United Airlines
Deal found 1/19$741
This United Airlines deal was found by Cheapflights users on 1/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/267:45 pm
PHL
-
BKK
3 stops51h 40m
United Airlines
Mon 2/24:55 pm
BKK
-
PHL
2 stops40h 57m
United Airlines
Deal found 1/21$756
This United Airlines deal was found by Cheapflights users on 1/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/257:45 pm
PHL
-
BKK
2 stops45h 25m
United Airlines
Sun 2/14:55 pm
BKK
-
PHL
2 stops40h 57m
United Airlines
Deal found 1/20$758
This United Airlines deal was found by Cheapflights users on 1/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:20 pm
PHL
-
BKK
2 stops29h 05m
United Airlines
Thu 3/54:55 pm
BKK
-
PHL
2 stops26h 20m
United Airlines
Deal found 1/20$760
This United Airlines deal was found by Cheapflights users on 1/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/267:45 pm
PHL
-
BKK
3 stops51h 40m
United Airlines
Fri 2/64:55 pm
BKK
-
PHL
3 stops36h 39m
United Airlines
Deal found 1/21$769
This FlightHub deal was found by Cheapflights users on 1/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/256:30 am
PHL
-
BKK
2 stops36h 00m
ANA
Tue 1/2710:25 pm
BKK
-
PHL
2 stops27h 45m
ANA
Deal found 1/21$771
This United Airlines deal was found by Cheapflights users on 1/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/288:35 am
PHL
-
BKK
2 stops51h 45m
United Airlines
Tue 3/104:55 pm
BKK
-
PHL
3 stops41h 35m
United Airlines
Deal found 1/21$785
This United Airlines deal was found by Cheapflights users on 1/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/276:30 am
PHL
-
BKK
3 stops40h 55m
United Airlines
Thu 2/264:55 pm
BKK
-
PHL
2 stops50h 20m
United Airlines
Deal found 1/21$786
This United Airlines deal was found by Cheapflights users on 1/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/3110:10 am
PHL
-
BKK
3 stops37h 15m
United Airlines
Sat 2/74:55 pm
BKK
-
PHL
3 stops31h 12m
United Airlines
Deal found 1/21$789
This Mytrip deal was found by Cheapflights users on 1/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/97:50 am
PHL
-
DMK
2 stops30h 55m
Multiple Airlines
Sat 2/142:35 am
DMK
-
PHL
2 stops32h 11m
Multiple Airlines
Deal found 1/20$1,477

Find flight deals from Philadelphia to Bangkok

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Bangkok (TH1). 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 January 21, 2026.

Round-trip from

$741
(United Airlines)

One-way from

$391
(FlightHub)

Popular in

June

Cheapest in

September

Average price

$1,034
From Philadelphia to Bangkok
Search Deals
One-way flight from Philadelphia to Bangkok
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($285 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to Bangkok 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 January 21, 2026.
Use the filters below to find and compare flights from Philadelphia to Bangkok that are best for you.

Fly from

Philadelphia

Fly to

Bangkok

Route

Depart

Return

Price

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Mon 1/26

1:10 pm-6:30 am

2 stops29h 20m

Bangkok Suvarnabhumi

Mon 2/2

10:25 pm-12:07 pm

2 stops25h 42m

$731

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Thu 2/26

8:35 am-11:25 am

2 stops38h 50m

Bangkok Suvarnabhumi

Wed 4/29

9:35 am-2:16 pm

2 stops39h 41m

$741

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Mon 1/26

7:45 pm-11:25 am

3 stops51h 40m

Bangkok Suvarnabhumi

Mon 2/2

4:55 pm-9:52 pm

2 stops40h 57m

$756

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Mon 1/26

7:45 pm-11:25 am

3 stops51h 40m

Bangkok Suvarnabhumi

Fri 2/6

4:55 pm-5:34 pm

3 stops36h 39m

$769

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Sat 2/28

8:35 am-12:20 am

2 stops51h 45m

Bangkok Suvarnabhumi

Tue 3/10

4:55 pm-11:30 pm

3 stops41h 35m

$785

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Fri 2/20

6:20 pm-11:25 am

2 stops29h 05m

Bangkok Suvarnabhumi

Sun 3/8

4:55 pm-7:15 am

2 stops49h 20m

$789

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Sat 1/31

10:10 am-11:25 am

3 stops37h 15m

Bangkok Suvarnabhumi

Sat 2/7

4:55 pm-12:07 pm

3 stops31h 12m

$789

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Sun 1/25

8:35 am-11:25 am

2 stops38h 50m

Bangkok Suvarnabhumi

Sun 2/1

4:55 pm-5:34 pm

3 stops36h 39m

$797

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Tue 3/3

8:35 am-11:25 am

2 stops38h 50m

Bangkok Suvarnabhumi

Sun 3/8

4:55 pm-7:15 am

2 stops25h 20m

$801

PhiladelphiaBangkok

PHL - DMK

PHLDMK

Philadelphia

Mon 2/9

7:50 am-2:45 am

2 stops30h 55m

Bangkok Don Mueang Intl

Sat 2/14

2:35 am-10:46 pm

2 stops32h 11m

$1,477

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 29 results
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Best time to book a flight from Philadelphia to Bangkok

Have a flexible travel schedule? Discover the best time to fly to Bangkok from Philadelphia 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 Philadelphia to Bangkok

How far ahead should I book a flight from Philadelphia to Bangkok?

Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Bangkok. Price data was last updated on January 16, 2026.

To ensure you get the cheapest price possible for a flight from Philadelphia to Bangkok, you should look to book at least 59 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 Philadelphia to Bangkok?

Currently, January is the cheapest month in which you can book a flight from Philadelphia to Bangkok (average of $679). Flying from Philadelphia to Bangkok in May is currently the most expensive (average of $771). 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.

How much does it cost to fly round-trip from Philadelphia to Bangkok?

Reviews of airlines servicing Bangkok

Get insights into the airlines that provide service to Bangkok. 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 Bangkok. Reviews last updated January 21, 2026.
Peruse reviews from past customers who have flown with ANA, Delta, and Qatar Airways from Philadelphia to Bangkok to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very good
1,076 reviews

Crew

8.7

Comfort

8.2

Boarding

8.6

Overall

8.4

Entertainment

7.9

Food

7.8

Reviews

1 / 20
10.0
Excellent

Lindsey,Jan 2026

CGK - HND

All of the flight attendants were very nice & attentive. The bathrooms were kept very clean. We have no complaints!
ANA
8.4
Very good
1,076 reviews
ANA
8.4
Very good
1,076 reviews

Crew

8.7

Comfort

8.2

Boarding

8.6

Overall

8.4

Entertainment

7.9

Food

7.8

Reviews

1 / 20
10.0
Excellent

Lindsey,Jan 2026

CGK - HND

All of the flight attendants were very nice & attentive. The bathrooms were kept very clean. We have no complaints!
Delta
7.9
Good
8,088 reviews
ANA
8.4
Very good
1,076 reviews

Crew

8.7

Comfort

8.2

Boarding

8.6

Overall

8.4

Entertainment

7.9

Food

7.8

Reviews

1 / 20
10.0
Excellent

Lindsey,Jan 2026

CGK - HND

All of the flight attendants were very nice & attentive. The bathrooms were kept very clean. We have no complaints!
Qatar Airways
7.4
Good
3,718 reviews
ANA
8.4
Very good
1,076 reviews

Crew

8.7

Comfort

8.2

Boarding

8.6

Overall

8.4

Entertainment

7.9

Food

7.8

Reviews

1 / 20
10.0
Excellent

Lindsey,Jan 2026

CGK - HND

All of the flight attendants were very nice & attentive. The bathrooms were kept very clean. We have no complaints!
United Airlines
7.4
Good
9,191 reviews
ANA
8.4
Very good
1,076 reviews

Crew

8.7

Comfort

8.2

Boarding

8.6

Overall

8.4

Entertainment

7.9

Food

7.8

Reviews

1 / 20
10.0
Excellent

Lindsey,Jan 2026

CGK - HND

All of the flight attendants were very nice & attentive. The bathrooms were kept very clean. We have no complaints!
American Airlines
7.2
Good
11,174 reviews
ANA
8.4
Very good
1,076 reviews

Crew

8.7

Comfort

8.2

Boarding

8.6

Overall

8.4

Entertainment

7.9

Food

7.8

Reviews

1 / 20
10.0
Excellent

Lindsey,Jan 2026

CGK - HND

All of the flight attendants were very nice & attentive. The bathrooms were kept very clean. We have no complaints!

Related info for your journey

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

  • What airport do you fly from for flights from Philadelphia to Bangkok?

    Philadelphia (PHL) is the airport you will fly out of if you book a flight from Philadelphia to Bangkok. You should not have trouble finding flights to Bangkok from Philadelphia; the airport handles an average of 0 outbound flights to Bangkok per day. You should also have plenty of airline options to choose from since 9 airlines have flights from the Philadelphia airport to Bangkok. It is only a 7.0 mi journey to Philadelphia (PHL) from Philadelphia’s city center.

  • How long is the flight from Philadelphia to Bangkok?

    Airlines like ANA and United Airlines fly from Philadelphia to Bangkok in about 29h 20m. The time it takes to get you to your destination can typically vary by up to 9h 30m. Airlines will cover a distance of 8720 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Philadelphia to Bangkok round-trip?

    Delta, at $714, was found to be the cheapest airline from Philadelphia to Bangkok.Alternate airlines to your destination round-trip include ANA and United Airlines. Delta is 40% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Philadelphia to Bangkok one-way?

    The cheapest airlines for a one-way flight from Philadelphia to Bangkok are ANA ($402), Qatar Airways ($410), and United Airlines ($424).

  • Can I find deals for flights from Philadelphia to Bangkok that include hotel bookings?

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

  • How can I find direct flights from Philadelphia to Bangkok?

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

  • Can I find deals for business class flights from Philadelphia to Bangkok?

    Yes. Cheapflights offers flight deals from Philadelphia to Bangkok 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 Philadelphia to Bangkok?

    Currently, January is the cheapest month in which you can book a flight from Philadelphia to Bangkok (average of $679). Flying from Philadelphia to Bangkok in May is currently the most expensive (average of $771). 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 Philadelphia to Bangkok

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Suvarnabhumi flights
Newark to Suvarnabhumi flights
LaGuardia to Suvarnabhumi flights
Dulles Intl to Suvarnabhumi flights
Reagan-National to Suvarnabhumi flights
John F Kennedy Intl to Don Mueang Intl flights
John F Kennedy Intl to Phuket City flights
Dulles Intl to Don Mueang Intl flights
Newark to Phuket City flights
LaGuardia to Phuket City flights
Newark to Don Mueang Intl flights
Philadelphia to Suvarnabhumi flights
Pittsburgh to Suvarnabhumi flights
Dulles Intl to Phuket City flights
Reagan-National to Phuket City flights
Dulles Intl to Chiang Mai flights
John F Kennedy Intl to Ko Samui flights
John F Kennedy Intl to Chiang Mai flights
Reagan-National to Chiang Mai flights
Newark to Ko Samui flights
Scranton to Suvarnabhumi flights
Newark to Chiang Mai flights
Philadelphia to Phuket City flights
Dulles Intl to Ko Samui flights
John F Kennedy Intl to Krabi flights
Newark to Krabi flights
John F Kennedy Intl to Rayong flights
Elmira to Suvarnabhumi flights
Harrisburg to Suvarnabhumi flights
Pittsburgh to Phuket City flights
LaGuardia to Don Mueang Intl flights
Reagan-National to Ko Samui flights
LaGuardia to Chiang Mai flights
Philadelphia to Chiang Mai flights
State College to Suvarnabhumi flights
Philadelphia to Krabi flights
John F Kennedy Intl to Chiang Rai flights
Allentown to Chiang Mai flights
Dulles Intl to Krabi flights
John F Kennedy Intl to Hat Yai flights
Philadelphia to Don Mueang Intl flights
Reagan-National to Krabi flights

Top 9 airlines flying from Philadelphia to Bangkok

Discover the top 9 airlines that operate flights from Philadelphia to Bangkok. 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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$714Average$927FlexibilityNo cancel feeOn-timeN/A
ANACheapest$769Average$973FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$816Average$1,034FlexibilityNo cancel feeOn-time69%
Qatar AirwaysCheapest$841Average$1,198FlexibilityNo cancel feeOn-time68%
Korean AirCheapest$864Average$1,016FlexibilityNo cancel feeOn-time81%
Japan AirlinesCheapest$958Average$1,089FlexibilityNo cancel feeOn-time79%
American AirlinesCheapest$980Average$1,568FlexibilityNo cancel feeOn-time71%
EVA AirCheapest$1,084Average$1,189FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$1,248Average$1,613FlexibilityNo cancel feeOn-time67%

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