Bangkok (BKK) → Philadelphia (PHL)

14,045 km
18h 3m flight
From $1720
Philadelphia destination photo

About Bangkok to Philadelphia Flights

Discover the best flights from Bangkok to Philadelphia, covering 14,045 km in approximately 18h 3m. Bangkok (BKK) to Philadelphia (PHL) is one of the major long-haul routes connecting Thailand and United States. 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 Bangkok to Philadelphia.

12-Month Price History

Flight prices from Bangkok to Philadelphia vary significantly throughout the year. February typically offers the best deals with average prices around $2425, while July sees the highest prices, averaging $4079. 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

136 days

For best prices

Booking Tips

For the best prices on Bangkok to Philadelphia flights, we recommend booking 146 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

UPS Airlines

5X

Economy

$4190

Business

$18310

First

$22090

American Airlines

AA

Economy

$4310

Business

$18480

First

$26980

United Airlines

UA

Economy

$4400

Business

$16420

First

$23900

Piedmont Airlines

PT

Economy

$4750

Business

$14350

First

$28700

Thai Airways

TG

Economy

$4810

Business

$16400

First

$26460

Thai VietJet Air

VZ

Economy

$4970

Business

$14860

First

$28230

Delta Air Lines

DL

Economy

$5490

Business

$19240

First

$29310

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

Alternative Flight Options

Philadelphia destination photo

BangkokPhiladelphia

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

Distance: 14,019 km

Average price: $2864

View this route →
New York destination photo

BangkokNew York

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

Distance: 13,947 km

Average price: $2850

View this route →
Newark destination photo

BangkokNewark

Suvarnabhumi (BKK) to Newark Liberty International (EWR)

Distance: 13,946 km

Average price: $2849

View this route →
Washington destination photo

BangkokWashington

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

Distance: 14,168 km

Average price: $2893

View this route →

Don't Forget Travel Insurance!

Found your flight? Protect your trip with SafetyWing's comprehensive travel insurance. Perfect for trips to Philadelphia, United States.

  • Medical coverage up to $250,000
  • Trip interruption & delays covered
  • Lost luggage protection included

From just $45/month • Works in 180+ countries • COVID-19 coverage included

Get Travel Insurance Quote

Trusted by 100,000+ travelers

Frequently Asked Questions

How long is the flight from Bangkok to Philadelphia?

The flight time from Bangkok (BKK) to Philadelphia (PHL) 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 Bangkok and Philadelphia?

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

Which airlines fly from Bangkok to Philadelphia?

Several airlines operate flights between Bangkok and Philadelphia, 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 Bangkok to Philadelphia?

Based on historical data, February typically offers the lowest airfares for flights from Bangkok to Philadelphia. 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 Philadelphia?

For the best prices on Bangkok to Philadelphia flights, we recommend booking 68 days in advance. International flights generally require earlier booking than domestic routes.

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

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

What is the time difference between Bangkok and Philadelphia?

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