Cheap Flights from Philadelphia (PHL) to Bangkok (DMK)

Popular airlines from Philadelphia Intl. Airport (PHL) to Don Mueang Intl. Airport (DMK)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash

Alternative airports near Bangkok

Prices were available within the past 7 days. Prices and availability are subject to change.

Flights from Philadelphia (PHL) to Bangkok (DMK)
Origin airport
Philadelphia Intl.
Destination airport
Don Mueang Intl.
Distance
8709 mi

Philadelphia to Bangkok Flights

The cheapest times to fly from Philadelphia to Bangkok

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Philadelphia to Bangkok are during the month of . You can find some of the cheapest flights from Philadelphia to Bangkok with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Philadelphia to Bangkok

Sunday is one of the best days to book for cheap flights from Philadelphia to Bangkok: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Philadelphia to Bangkok

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Philadelphia to Bangkok in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Philadelphia to Bangkok flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Philadelphia to Bangkok airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Philadelphia Intl. Airport (PHL) to Don Mueang Intl. Airport (DMK) cost?
Secure a cheap one-way flight or cheap return flight from Philadelphia Intl. Airport (PHL) to Don Mueang Intl. Airport (DMK) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Philadelphia Intl. Airport (PHL) to Don Mueang Intl. Airport (DMK)?
The cheapest month to fly from PHL to DMK is , when there's less demand. Off-peak season is generally when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Philadelphia Intl. Airport (PHL) to Don Mueang Intl. Airport (DMK)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest PHL to DMK flight.
How many flights per day from Philadelphia Intl. Airport (PHL) to Don Mueang Intl. Airport (DMK)?
There are no daily nonstop flights available from Philadelphia Intl. Airport (PHL) to Don Mueang Intl. Airport (DMK). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from PHL to DMK?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary based on a range of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Philadelphia Intl. Airport (PHL) to Don Mueang Intl. Airport (DMK)?
Book a flight from Philadelphia Intl. Airport (PHL) to Don Mueang Intl. Airport (DMK) that takes off before 3 PM to reduce the likelihood of delays. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Philadelphia Intl. Airport (PHL) to Don Mueang Intl. Airport (DMK) last-minute?
Last-minute bookings from PHL to DMK are generally more expensive. For the best rates, start searching for flights well in advance. That said, if you can play around with your travel dates, it's possible to land a cheap ticket right before your trip.
Is it cheaper to book a PHL to DMK flight and hotel package?
Compared with arranging flights and hotels separately, booking a PHL to DMK flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place will take the hassle out of planning your trip. Just secure your flights and choose from our extensive range of stays, then personalize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Philadelphia Intl. Airport (PHL) to Don Mueang Intl. Airport (DMK)?
If you booked your PHL to DMK flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

Explore a world of travel with Expedia

*Available to One Key members.