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$380+ 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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BKK
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheapflights Tip: The best prices from Philadelphia to Bangkok are usually found in September or August, booked 68 days in advance, depart on a Thursday or Tuesday and return on a Tuesday

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 December 18, 2025.

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 12/316:35 amPHL - BKK
2 stops35h 55mANA
Sun 1/2510:25 pmBKK - PHL
2 stops28h 06mANA
Deal found 12/16$1,232
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 12/1712:45 pmPHL - BKK
3 stops34h 40mUnited Airlines
Wed 1/77:10 amBKK - PHL
2 stops26h 42mUnited Airlines
Deal found 12/16$1,241
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 12/316:35 amPHL - BKK
2 stops34h 35mUnited Airlines
Sun 1/254:55 pmBKK - PHL
3 stops33h 36mUnited Airlines
Deal found 12/17$1,410
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:40 pmPHL - BKK
1 stop35h 45mMultiple Airlines
Thu 1/228:15 amBKK - PHL
1 stop36h 45mMultiple Airlines
Deal found 12/16$1,510
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.
Mon 12/296:35 amPHL - BKK
2 stops34h 35mUnited Airlines
Mon 1/129:10 amBKK - PHL
2 stops41h 00mUnited Airlines
Deal found 12/16$1,584
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.
Sat 12/276:25 pmPHL - BKK
2 stops53h 00mUnited Airlines
Tue 1/137:10 amBKK - PHL
2 stops28h 20mUnited Airlines
Deal found 12/16$1,612

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 December 18, 2025.

Round-trip from

$751
(United Airlines)

One-way from

$380
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$1,281
From Philadelphia to Bangkok
Search Deals
One-way flight from Philadelphia to Bangkok
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Highest demand for flights based on searches. 17% potential increase in price ($265 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 18, 2025.
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

Wed 1/28

10:10 am-11:25 am

3 stops37h 15m

Bangkok Suvarnabhumi

Wed 3/18

4:55 pm-7:15 am

2 stops25h 20m

$755

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Tue 2/3

8:35 am-11:25 am

2 stops62h 50m

Bangkok Suvarnabhumi

Tue 3/10

4:55 pm-5:14 pm

3 stops35h 19m

$763

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Wed 2/4

9:00 am-11:25 am

2 stops62h 25m

Bangkok Suvarnabhumi

Wed 3/11

4:55 pm-7:15 am

2 stops25h 20m

$767

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Fri 1/30

6:30 am-11:25 am

3 stops40h 55m

Bangkok Suvarnabhumi

Fri 2/6

4:55 pm-5:34 pm

3 stops36h 39m

$788

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Tue 1/20

8:09 am-11:25 am

3 stops39h 16m

Bangkok Suvarnabhumi

Tue 1/27

4:55 pm-11:35 am

3 stops30h 40m

$803

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Fri 1/9

8:35 am-11:25 am

2 stops62h 50m

Bangkok Suvarnabhumi

Fri 1/23

4:55 pm-11:41 am

3 stops30h 46m

$804

PhiladelphiaBangkok

PHL - DMK

PHLDMK

Philadelphia

Mon 2/23

7:50 am-2:45 am

2 stops30h 55m

Bangkok Don Mueang Intl

Wed 3/4

2:35 am-10:46 pm

3 stops32h 11m

$1,544

PhiladelphiaBangkok

PHL - DMK

PHLDMK

Philadelphia

Sun 1/11

7:50 am-2:45 am

2 stops30h 55m

Bangkok Don Mueang Intl

Sun 1/25

9:00 pm-2:47 pm

3 stops29h 47m

$1,545

PhiladelphiaBangkok

PHL - DMK

PHLDMK

Philadelphia

Fri 2/6

7:50 am-1:30 am

3 stops29h 40m

Bangkok Don Mueang Intl

Sun 2/15

12:55 am-10:46 pm

3 stops33h 51m

$1,582

PhiladelphiaBangkok

PHL - DMK

PHLDMK

Philadelphia

Tue 5/12

10:05 am-2:40 am

2 stops29h 35m

Bangkok Don Mueang Intl

Tue 5/19

1:35 am-10:44 pm

3 stops32h 09m

$1,653

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 36 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 December 12, 2025.

To ensure you get the cheapest price possible for a flight from Philadelphia to Bangkok, you should look to book at least 68 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, August is the cheapest month in which you can book a flight from Philadelphia to Bangkok (average of $680). Flying from Philadelphia to Bangkok in May is currently the most expensive (average of $770). 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 PHL to BKK?

Find hourly flight availability from Philadelphia to Bangkok. 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 in the evening, when flights are generally more expensive, you can save up to 27% on flights from Philadelphia to Bangkok by exploring options for tickets in the morning.

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 December 18, 2025.
Peruse reviews from past customers who have flown with ANA, Qatar Airways, and United Airlines 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
1,030 reviews

Entertainment

8.0

Crew

8.7

Overall

8.4

Boarding

8.6

Food

7.8

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support
ANA
8.4
Very good
1,030 reviews
ANA
8.4
Very good
1,030 reviews

Entertainment

8.0

Crew

8.7

Overall

8.4

Boarding

8.6

Food

7.8

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support
Qatar Airways
7.4
Good
3,686 reviews
ANA
8.4
Very good
1,030 reviews

Entertainment

8.0

Crew

8.7

Overall

8.4

Boarding

8.6

Food

7.8

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support
United Airlines
7.4
Good
9,091 reviews
ANA
8.4
Very good
1,030 reviews

Entertainment

8.0

Crew

8.7

Overall

8.4

Boarding

8.6

Food

7.8

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support
American Airlines
7.2
Good
11,054 reviews
ANA
8.4
Very good
1,030 reviews

Entertainment

8.0

Crew

8.7

Overall

8.4

Boarding

8.6

Food

7.8

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support
Air Canada
7.1
Good
10,534 reviews
ANA
8.4
Very good
1,030 reviews

Entertainment

8.0

Crew

8.7

Overall

8.4

Boarding

8.6

Food

7.8

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support

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 10 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 United Airlines fly from Philadelphia to Bangkok in about 37h 15m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 8720 mi.

  • 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 41% 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 Qatar Airways ($410), United Airlines ($430), and Japan Airlines ($467).

  • 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, August is the cheapest month in which you can book a flight from Philadelphia to Bangkok (average of $680). Flying from Philadelphia to Bangkok in May is currently the most expensive (average of $770). 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
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John F Kennedy Intl to Phuket City flights
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Newark to Ko Samui flights
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John F Kennedy Intl to Rayong flights
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Elmira to Suvarnabhumi flights
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Dulles Intl to Krabi flights
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Reagan-National to Ko Samui flights
John F Kennedy Intl to Krabi flights
Newark to Krabi flights
Philadelphia to Chiang Mai flights
Philadelphia to Krabi flights
LaGuardia to Don Mueang Intl flights
John F Kennedy Intl to Chiang Rai flights
John F Kennedy Intl to Hat Yai flights
Pittsburgh to Phuket City flights
Scranton to Phuket City flights
Harrisburg to Suvarnabhumi flights

Top 10 airlines flying from Philadelphia to Bangkok

Discover the top 10 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$714Average$968FlexibilityNo cancel feeOn-timeN/A
ANACheapest$821Average$978FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$839Average$1,081FlexibilityNo cancel feeOn-time69%
Qatar AirwaysCheapest$844Average$1,208FlexibilityNo cancel feeOn-time68%
Korean AirCheapest$883Average$1,154FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$983Average$1,575FlexibilityNo cancel feeOn-time71%
Japan AirlinesCheapest$1,054Average$1,093FlexibilityNo cancel feeOn-time79%
EVA AirCheapest$1,085Average$1,189FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$1,089Average$1,203FlexibilityNo cancel feeOn-time67%
Cathay PacificCheapest$1,253Average$1,488FlexibilityNo cancel feeOn-time72%

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