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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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BKK
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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Cheapflights Tip: The best prices from Philadelphia to Bangkok are usually found in September or August, booked 42 days in advance, depart on a Thursday or Tuesday and return on a Tuesday

Cheap 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 November 26, 2025.

Round-trip from

$835
(United Airlines)

One-way from

$391
(FlightHub)

Popular in

June

Cheapest in

September

Average price

$1,158
From Philadelphia to Bangkok
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One-way flight from Philadelphia to Bangkok
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Highest demand for flights based on searches. 16% potential increase in price ($252 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find 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 November 26, 2025.

This Justfly.com deal was found by Cheapflights users on 11/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2710:05 amPHL - BKK
2 stops31h 05mANA
Tue 12/910:25 pmBKK - PHL
2 stops27h 43mANA
Deal found 11/25$931
This United Airlines deal was found by Cheapflights users on 11/24. 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 11/2512:40 pmPHL - BKK
3 stops34h 45mUnited Airlines
Thu 12/44:55 pmBKK - PHL
3 stops33h 12mUnited Airlines
Deal found 11/24$948
This United Airlines deal was found by Cheapflights users on 11/24. 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 11/2510:05 amPHL - BKK
3 stops37h 20mUnited Airlines
Tue 12/24:55 pmBKK - PHL
2 stops38h 46mUnited Airlines
Deal found 11/24$956
This United Airlines deal was found by Cheapflights users on 11/25. 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 11/266:25 pmPHL - BKK
2 stops29h 00mUnited Airlines
Wed 12/34:55 pmBKK - PHL
3 stops35h 46mUnited Airlines
Deal found 11/25$957
This Ovago deal was found by Cheapflights users on 11/24. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2510:05 amPHL - BKK
2 stops42h 15mANA
Tue 12/22:20 pmBKK - PHL
2 stops42h 50mANA
Deal found 11/24$958
This Gurufare deal was found by Cheapflights users on 11/25. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2610:05 amPHL - BKK
2 stops42h 15mANA
Wed 12/32:20 pmBKK - PHL
2 stops35h 47mANA
Deal found 11/25$965
This United Airlines deal was found by Cheapflights users on 11/24. 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 11/2710:05 amPHL - BKK
3 stops61h 20mUnited Airlines
Tue 12/94:55 pmBKK - PHL
3 stops31h 12mUnited Airlines
Deal found 11/24$1,003
This Delta deal was found by Cheapflights users on 11/24. 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.
Sun 11/306:00 amPHL - BKK
2 stops30h 55mDelta
Wed 12/102:05 amBKK - PHL
2 stops34h 46mDelta
Deal found 11/24$1,009
This Justfly.com deal was found by Cheapflights users on 11/24. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/307:30 pmPHL - BKK
1 stop28h 45mQatar Airways
Fri 12/129:05 amBKK - PHL
1 stop36h 15mQatar Airways
Deal found 11/24$1,024
This Delta deal was found by Cheapflights users on 11/24. 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.
Sun 11/306:00 amPHL - BKK
2 stops30h 55mDelta
Sat 12/139:30 pmBKK - PHL
2 stops44h 20mDelta
Deal found 11/24$1,032
This United Airlines deal was found by Cheapflights users on 11/25. 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 12/16:25 pmPHL - BKK
2 stops29h 00mUnited Airlines
Sun 12/74:55 pmBKK - PHL
2 stops38h 46mUnited Airlines
Deal found 11/25$1,035
This Mytrip deal was found by Cheapflights users on 11/24. 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 12/17:50 amPHL - DMK
3 stops29h 40mMultiple Airlines
Sun 12/712:55 amDMK - PHL
3 stops33h 51mMultiple Airlines
Deal found 11/24$1,882

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 November 26, 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

Mon 2/23

10:06 am-5:10 am

2 stops31h 04m

Bangkok Suvarnabhumi

Tue 3/3

7:10 am-7:11 pm

2 stops24h 01m

$890

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Thu 2/19

6:20 pm-11:25 am

2 stops53h 05m

Bangkok Suvarnabhumi

Fri 2/27

4:55 pm-2:24 pm

3 stops33h 29m

$896

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Wed 1/14

8:35 am-11:25 am

2 stops38h 50m

Bangkok Suvarnabhumi

Thu 1/22

4:55 pm-4:36 pm

3 stops35h 41m

$911

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Thu 4/23

8:25 am-9:45 pm

2 stops26h 20m

Bangkok Suvarnabhumi

Wed 5/6

11:30 pm-1:26 pm

2 stops24h 56m

$915

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Sun 2/1

6:30 am-12:20 am

2 stops29h 50m

Bangkok Suvarnabhumi

Sun 3/1

4:55 pm-9:33 pm

2 stops40h 38m

$920

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Sat 3/14

8:50 pm-6:40 am

1 stop22h 50m

Bangkok Suvarnabhumi

Sat 3/21

8:15 am-9:00 am

1 stop35h 45m

$921

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Fri 2/27

8:35 am-11:25 am

2 stops38h 50m

Bangkok Suvarnabhumi

Thu 4/2

3:40 pm-11:49 am

3 stops31h 09m

$921

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Mon 2/9

8:35 am-11:25 am

2 stops38h 50m

Bangkok Suvarnabhumi

Fri 2/20

7:10 am-9:33 pm

2 stops26h 23m

$944

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Sat 4/11

8:40 am-9:45 pm

2 stops26h 05m

Bangkok Suvarnabhumi

Mon 4/20

11:30 pm-3:47 pm

2 stops27h 17m

$955

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Sun 3/1

3:05 pm-5:10 am

2 stops50h 05m

Bangkok Suvarnabhumi

Wed 4/1

3:40 pm-7:45 am

2 stops27h 05m

$958

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/25

Showing 1-10 of 33 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 November 21, 2025.

To ensure you get the cheapest price possible for a flight from Philadelphia to Bangkok, you should look to book at least 42 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 $776). 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 November 26, 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 November 26, 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
1,011 reviews

Crew

8.7

Entertainment

7.9

Food

7.7

Boarding

8.6

Comfort

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
ANA
8.4
Very good
1,011 reviews
ANA
8.4
Very good
1,011 reviews

Crew

8.7

Entertainment

7.9

Food

7.7

Boarding

8.6

Comfort

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
Qatar Airways
7.4
Good
3,677 reviews
ANA
8.4
Very good
1,011 reviews

Crew

8.7

Entertainment

7.9

Food

7.7

Boarding

8.6

Comfort

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
United Airlines
7.4
Good
9,050 reviews
ANA
8.4
Very good
1,011 reviews

Crew

8.7

Entertainment

7.9

Food

7.7

Boarding

8.6

Comfort

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
American Airlines
7.2
Good
11,038 reviews
ANA
8.4
Very good
1,011 reviews

Crew

8.7

Entertainment

7.9

Food

7.7

Boarding

8.6

Comfort

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
Air Canada
7.1
Good
10,481 reviews
ANA
8.4
Very good
1,011 reviews

Crew

8.7

Entertainment

7.9

Food

7.7

Boarding

8.6

Comfort

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.

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 and Korean Air fly from Philadelphia to Bangkok in about 26h 20m. The time it takes to get you to your destination can typically vary by up to 4h 44m. 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?

    United Airlines, at $842, was found to be the cheapest airline from Philadelphia to Bangkok.Alternate airlines to your destination round-trip include Qatar Airways and ANA. United Airlines is 31% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 $776). 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.
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LaGuardia to Don Mueang Intl flights
Dulles Intl to Krabi flights
John F Kennedy Intl to Chiang Rai flights
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Newark to Chiang Rai flights
Reagan-National to Krabi flights
John F Kennedy Intl to Surat Thani 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 November 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$842Average$1,098FlexibilityNo cancel feeOn-time69%
Qatar AirwaysCheapest$847Average$1,232FlexibilityNo cancel feeOn-time68%
ANACheapest$855Average$1,072FlexibilityNo cancel feeOn-time80%
DeltaCheapest$878Average$997FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$883Average$1,160FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$983Average$1,586FlexibilityNo 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$1,145FlexibilityNo cancel feeOn-time67%
Cathay PacificCheapest$1,253Average$1,583FlexibilityNo cancel feeOn-time72%

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