$651 Cheap Flights from Houston (IAH) to Udon Thani (UTH)

View $651 flight on Tue, Sep 23, 2025Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Udon Thani (UTH-Udon Thani Intl.)

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Cheap Flights from Houston to Udon Thani (IAH-UTH)

Prices were available within the past 7 days and start at $651 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from George Bush Intercontinental Airport (IAH) to Udon Thani Intl. Airport (UTH) cost?
Secure a cheap one-way flight from $651 or cheap return flight from George Bush Intercontinental Airport (IAH) to Udon Thani Intl. Airport (UTH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from George Bush Intercontinental Airport (IAH) to Udon Thani Intl. Airport (UTH)?
is the least expensive month to fly from IAH to UTH. Traveling during quieter months is often the key to landing a great deal.
What is the cheapest airline that flies from George Bush Intercontinental Airport (IAH) to Udon Thani Intl. Airport (UTH)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest IAH to UTH flight.
How many flights per day from George Bush Intercontinental Airport (IAH) to Udon Thani Intl. Airport (UTH)?
There are no daily direct flights departing from George Bush Intercontinental Airport (IAH) to Udon Thani Intl. Airport (UTH). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from IAH to UTH?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from George Bush Intercontinental Airport (IAH) to Udon Thani Intl. Airport (UTH)?
To avoid possible delays on the George Bush Intercontinental Airport (IAH) to Udon Thani Intl. Airport (UTH) route, aim to fly before 3 PM. Flights after this time have a 22% higher chance of cancellation.**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 George Bush Intercontinental Airport (IAH) to Udon Thani Intl. Airport (UTH) last-minute?
Booking your ticket from IAH to UTH right before your trip is typically more expensive. But if you're flexible with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book an IAH to UTH flight and hotel package?
Booking an IAH to UTH flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of hotels and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to Udon Thani Intl. Airport (UTH)?
If you reserved your IAH to UTH flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more details.

Travel information

Travel information

Origin airport
George Bush Intercontinental
Destination airport
Udon Thani Intl.
Distance
8947 mi

Book with confidence

Book with confidence

Houston to Udon Thani Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Houston 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 Houston 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 Houston to Udon Thani in 2025. You can also book with separate airlines for your outbound and return journeys, from $651 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 Houston 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 Houston 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.

 

Houston to Udon Thani Flights

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