S$669 Cheap Flights from Philadelphia to Bangkok

View S$669 flight on Wed, 19 Nov, 2025Opens in a new window

Popular airlines from Philadelphia Intl. Airport (PHL) to Suvarnabhumi Intl. Airport (BKK)

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Cheap Flights from Philadelphia to Bangkok (PHL-BKK)

Prices were available within the past 7 days and start at S$669 for one-way flights and S$1,172 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, 19 Aug - Tue, 26 Aug
PHL
Philadelphia
BKK
Bangkok
S$1,172 Return, found 3 days ago
S$1,172
Return
found 3 days ago
Select Delta flight, departing Tue, 19 Aug from Philadelphia to Bangkok, returning Tue, 26 Aug, priced at S$1,172 found 3 days ago
United
Tue, 19 Aug - Tue, 26 Aug
PHL
Philadelphia
BKK
Bangkok
S$1,188 Return, found 3 days ago
S$1,188
Return
found 3 days ago
Select United flight, departing Tue, 19 Aug from Philadelphia to Bangkok, returning Tue, 26 Aug, priced at S$1,188 found 3 days ago
All Nippon Airways
Tue, 19 Aug - Tue, 26 Aug
PHL
Philadelphia
BKK
Bangkok
S$1,204 Return, found 3 days ago
S$1,204
Return
found 3 days ago
Select All Nippon Airways flight, departing Tue, 19 Aug from Philadelphia to Bangkok, returning Tue, 26 Aug, priced at S$1,204 found 3 days ago
Delta
Fri, 22 Aug - Fri, 29 Aug
PHL
Philadelphia
BKK
Bangkok
S$1,278 Return, found 11 hours ago
S$1,278
Return
found 11 hours ago
Select Delta flight, departing Fri, 22 Aug from Philadelphia to Bangkok, returning Fri, 29 Aug, priced at S$1,278 found 11 hours ago
United
Fri, 22 Aug - Fri, 29 Aug
PHL
Philadelphia
BKK
Bangkok
S$1,293 Return, found 11 hours ago
S$1,293
Return
found 11 hours ago
Select United flight, departing Fri, 22 Aug from Philadelphia to Bangkok, returning Fri, 29 Aug, priced at S$1,293 found 11 hours ago
United
Fri, 22 Aug - Fri, 29 Aug
PHL
Philadelphia
BKK
Bangkok
S$1,310 Return, found 11 hours ago
S$1,310
Return
found 11 hours ago
Select United flight, departing Fri, 22 Aug from Philadelphia to Bangkok, returning Fri, 29 Aug, priced at S$1,310 found 11 hours ago
United
Fri, 22 Aug - Fri, 29 Aug
PHL
Philadelphia
BKK
Bangkok
S$1,314 Return, found 11 hours ago
S$1,314
Return
found 11 hours ago
Select United flight, departing Fri, 22 Aug from Philadelphia to Bangkok, returning Fri, 29 Aug, priced at S$1,314 found 11 hours ago
All Nippon Airways
Fri, 22 Aug - Fri, 29 Aug
PHL
Philadelphia
BKK
Bangkok
S$1,330 Return, found 11 hours ago
S$1,330
Return
found 11 hours ago
Select All Nippon Airways flight, departing Fri, 22 Aug from Philadelphia to Bangkok, returning Fri, 29 Aug, priced at S$1,330 found 11 hours ago
Korean Air
Tue, 19 Aug - Tue, 26 Aug
PHL
Philadelphia
BKK
Bangkok
S$1,397 Return, found 3 days ago
S$1,397
Return
found 3 days ago
Select Korean Air flight, departing Tue, 19 Aug from Philadelphia to Bangkok, returning Tue, 26 Aug, priced at S$1,397 found 3 days ago
American Airlines
Tue, 19 Aug - Tue, 26 Aug
PHL
Philadelphia
BKK
Bangkok
S$1,938 Return, found 3 days ago
S$1,938
Return
found 3 days ago
Select American Airlines flight, departing Tue, 19 Aug from Philadelphia to Bangkok, returning Tue, 26 Aug, priced at S$1,938 found 3 days ago

Find the cheapest month to fly from Philadelphia (PHL) to Bangkok (BKK)

September is typically the cheapest month to fly

From S$1,085 - S$2,203 per traveller.

Graph displaying average flight prices per month

Philadelphia to Bangkok route information
Origin airport
Philadelphia Intl.
Destination airport
Suvarnabhumi Intl.
Airlines serving
Air Canada, All Nippon Airways, American Airlines, China Southern Airlines, Delta, Japan Airlines, Korean Air, Qatar Airways, United
Return price
S$1,172
Distance
13961 km

Flights from Philadelphia to Bangkok

There are several airlines that operate frequent flights from Philadelphia (PHL) to Bangkok (BKK) including

The earliest flight leaves Philadelphia Intl. Airport at 09:45 and arrives at Suvarnabhumi Intl. Airport at 05:45. The last flight of the day departs Philadelphia at 23:20 and arrives at Bangkok at 19:00.

The flight distance from Philadelphia to Bangkok is about 15553 km, the shortest flight is 19 hours 55 minutes with Virgin Atlantic.

Expedia lets you search across the largest number of airlines and Bangkok flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Philadelphia Bangkok flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Philadelphia to Bangkok trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Bangkok flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Philadelphia to Bangkok with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

Frequently asked questions

How much is a flight from PHL to BKK?
If you're travelling from Philadelphia Intl. Airport (PHL) to Suvarnabhumi Intl. Airport (BKK), round-trip flights start from S$1,172. This figure is based on airfares advertised within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal pass you by. Book now and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Philadelphia Intl. Airport (PHL) to Suvarnabhumi Intl. Airport (BKK)?
This can vary between airlines, as each one has its own terms and conditions. Visit the Customer Service Portal, where there are instructions on how to cancel online.
How do I find cheap flights from Philadelphia Airport to Suvarnabhumi Intl. Airport (BKK) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for PHL to Suvarnabhumi Intl. Airport (BKK) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Philadelphia Airport to Bangkok Airport?
With a flight distance of 14,100 kilometres between PHL and BKK, this is a long-haul flight. Make sure you drink plenty of water and move your legs every so often.
Which airlines fly direct from Philadelphia Intl. Airport (PHL) to Suvarnabhumi Intl. Airport (BKK)?
If you want to travel straight from PHL to Bangkok Airport, you'll need to book a flight with one or more stops. Unfortunately, there aren't any airlines that fly directly on this route.
Are Philadelphia Airport to Suvarnabhumi Intl. Airport (BKK) flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from Philadelphia Airport to BKK can be hit-or-miss. You may be able to score a bargain, but you could also miss out completely! If you'd prefer to start planning your trip early, Expedia compares flight deals up to a year in advance. Just remember that not all airlines advertise their prices that far in advance. Our top tip? Check back often as prices are updated frequently.

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