Philadelphia (PHL) → Bangkok (BKK)

14,045 km
18h 3m flight
From $1770
Bangkok destination photo

About Philadelphia to Bangkok Flights

Discover the best flights from Philadelphia to Bangkok, covering 14,045 km in approximately 18h 3m. Philadelphia (PHL) to Bangkok (BKK) is one of the major long-haul routes connecting United States and Thailand. With 7 major airlines operating this route, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Philadelphia to Bangkok.

12-Month Price History

Flight prices from Philadelphia to Bangkok vary significantly throughout the year. February typically offers the best deals with average prices around $2436, while July sees the highest prices, averaging $4126. Savvy travelers can save up to 41% by choosing their travel dates wisely.

Best Time to Fly

Cheapest Month

February

Save up to 40% on average

Most Expensive

July

Peak season pricing

Book in Advance

101 days

For best prices

Booking Tips

For the best prices on Philadelphia to Bangkok flights, we recommend booking 114 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.

Airlines Serving This Route

Piedmont Airlines

PT

Economy

$4380

Business

$16470

First

$23430

United Airlines

UA

Economy

$4630

Business

$17170

First

$26400

UPS Airlines

5X

Economy

$4630

Business

$16090

First

$26470

Delta Air Lines

DL

Economy

$4730

Business

$19140

First

$22780

American Airlines

AA

Economy

$4780

Business

$16140

First

$26580

Thai Airways

TG

Economy

$5020

Business

$14050

First

$27810

Thai VietJet Air

VZ

Economy

$5040

Business

$15090

First

$28230

Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.

Alternative Flight Options

Bangkok destination photo

New YorkBangkok

John F. Kennedy International (JFK) to Suvarnabhumi (BKK)

Distance: 13,947 km

Average price: $2850

View this route →
Bangkok destination photo

NewarkBangkok

Newark Liberty International (EWR) to Suvarnabhumi (BKK)

Distance: 13,946 km

Average price: $2849

View this route →
Bangkok destination photo

WashingtonBangkok

Ronald Reagan Washington National (DCA) to Suvarnabhumi (BKK)

Distance: 14,168 km

Average price: $2893

View this route →
Bangkok destination photo

PhiladelphiaBangkok

Philadelphia International (PHL) to Don Mueang International (DMK)

Distance: 14,019 km

Average price: $2864

View this route →

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Frequently Asked Questions

How long is the flight from Philadelphia to Bangkok?

The flight time from Philadelphia (PHL) to Bangkok (BKK) is approximately 18 hours and 3 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.

What is the distance between Philadelphia and Bangkok?

The aerial distance between Philadelphia and Bangkok is 14,045 kilometers (8,727 miles). This is the straight-line distance, which is used to calculate flight times.

Which airlines fly from Philadelphia to Bangkok?

Several airlines operate flights between Philadelphia and Bangkok, including Thai Airways, Thai VietJet Air, Piedmont Airlines and 4 more airlines. Most flights on this route include one or more stops.

What is the cheapest month to fly from Philadelphia to Bangkok?

Based on historical data, February typically offers the lowest airfares for flights from Philadelphia to Bangkok. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.

How far in advance should I book my flight to Bangkok?

For the best prices on Philadelphia to Bangkok flights, we recommend booking 82 days in advance. International flights generally require earlier booking than domestic routes.

Do I need a visa to travel from Philadelphia to Bangkok?

Visa requirements depend on your nationality and the purpose of your visit. Citizens of United States traveling to Thailand should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.

What is the time difference between Philadelphia and Bangkok?

Philadelphia operates on America/New_York time zone, while Bangkok is in the Asia/Bangkok time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.