Find cheap airlines flights from Bangkok to Philadelphia

You can choose from 10 airlines that fly from Bangkok to Philadelphia, including Cathay Pacific, Qatar Airways, and Korean Air. Qatar Airways has lowest fares on this route.
Cathay Pacific logo Cathay Pacific
Qatar Airways logo Qatar Airways
Korean Air logo Korean Air
China Airlines logo China Airlines
American Airlines logo American Airlines
Spring Airlines logo Spring Airlines
EVA Air logo EVA Air
STARLUX Airlines logo STARLUX Airlines
Philippine Airlines logo Philippine Airlines
Asiana Airlines logo Asiana Airlines
Airlines are determined based on actual purchased flight tickets from Bangkok to Philadelphia according to previous 12 months data from Trip.com.

Find flight deals from Bangkok to Philadelphia for the next 3 months. Book one way flights from $693 or round trip flights from $1,781.

Displayed flight fares from Bangkok to Philadelphia are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | Bangkok to Philadelphia

The distance between Bangkok and Philadelphia is approximately 14,036.85 km. Based on Trip.com's data travel demand peaks in July. The off-season for travel is October.

Cheapest one-way flight price$693
Cheapest round-trip ticket price$1,781
Off-season for travelOctober
Peak season for travelJuly
Flight distance14,036.85 km
Popular airlineCathay Pacific
Flight statistics for the Bangkok–Philadelphia route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from Bangkok to Philadelphia (BKK-PHL)?

    Based on Trip.com data, Qatar Airways offers one-way fares as low as $693 on Cheapest nonstop routes (e.g. BKK to PHL on Thu, Jun 11), while British Airways offers Cheapest nonstop round-trips from $1,781 departing on Thu, Jun 18 and returning on Tue, Jun 23.
  • At the moment, you can catch a nonstop flight from Bangkok to Philadelphia with the following airlines, including: American Airlines Cathay Pacific Spring Airlines EVA Air Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Bangkok to Philadelphia is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Bangkok to Philadelphia, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Thu, Jun 11, with one-way flights priced at just $693.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Qatar Airways.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Philadelphia travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Bangkok to Philadelphia is October, when demand for travel is lower.
  • After crunching the numbers on our June flight calendar, it's currently cheapest to fly from Bangkok to Philadelphia on June 16, 2026 with Qatar Airways, with prices starting at $693.
  • You can land at any one of the following hubs in Philadelphia, with Suvarnabhumi Airport to Philadelphia International Airport (BKK-PHL) is by far the most common option on this route: Philadelphia International Airport (PHL) Trenton Mercer Airport (TTN).
  • The time difference between Philadelphia and Bangkok is 12h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.