Cheap Flights from Philadelphia (PHL) to Udon Thani (UTH)

Popular airlines from Philadelphia Intl. Airport (PHL) to Udon Thani (UTH-Udon Thani Intl.)

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Frequently asked questions

How much does a flight from Philadelphia Intl. Airport (PHL) to Udon Thani Intl. Airport (UTH) cost?
Grab a cheap one-way flight or cheap return flight from Philadelphia Intl. Airport (PHL) to Udon Thani Intl. Airport (UTH) 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 Udon Thani Intl. Airport (UTH)?
Traveling in is a good way to save, as it's the cheapest month for flights between PHL and UTH. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Philadelphia Intl. Airport (PHL) to Udon Thani Intl. Airport (UTH)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest PHL to UTH flight.
How many flights per day from Philadelphia Intl. Airport (PHL) to Udon Thani Intl. Airport (UTH)?
Direct flights from Philadelphia Intl. Airport (PHL) to Udon Thani Intl. Airport (UTH) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PHL to UTH?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change depending on a number of factors, including the time of year and airline.*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 Udon Thani Intl. Airport (UTH)?
To reach Udon Thani Intl. Airport (UTH) without delays, opt for a flight that takes off from Philadelphia Intl. Airport (PHL) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Udon Thani Intl. Airport (UTH) last-minute?
Waiting until right before your break to book a ticket from PHL to UTH generally means paying more. While you may come across some last-minute deals, they're not always guaranteed. Be flexible with your itinerary for the best chance of landing a bargain.
Is it cheaper to book a PHL to UTH flight and hotel package?
You'll typically save money by securing a PHL to UTH flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've chosen your preferred accommodations and flights, you can add extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Philadelphia Intl. Airport (PHL) to Udon Thani Intl. Airport (UTH)?
If you booked your PHL to UTH flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket 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 if you want more information.

Travel information

Travel information

Origin airport
Philadelphia Intl.
Destination airport
Udon Thani Intl.
Distance
8477 mi

Book with confidence

Book with confidence

Philadelphia to Udon Thani Flights

The cheapest times to fly from Philadelphia to Udon Thani

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 Udon Thani are during the month of . You can find some of the cheapest flights from Philadelphia to Udon Thani with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Philadelphia to Udon Thani

Sunday is one of the best days to book for cheap flights from Philadelphia to Udon Thani: 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 Udon Thani

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 Udon Thani 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 Udon Thani 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 Udon Thani 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.

 

Philadelphia to Udon Thani Flights

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*Available to One Key members.