The cheapest times to fly from UTP to IAH are

  • January 15th to August 12th (except the weeks of January 29th, February 19th, April 2nd, and April 9th)
  • October 8th to December 2nd

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from UTP to IAH is early November. Prices can be as high as $3118 for Friday flights during early January, or as low as $1223 for Tuesday flights around early November.


When to Fly to Houston

Flying from Utapao (UTP) to Houston, TX (IAH) will usually cost between $1411 to $2924 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early November with an average ticket price of $1355. Due to high demand the most expensive time to fly is early January, with an average price of $3099. Planning your trip to low-cost times can easily save you $1744 on economy flights and even more on first-class flights. Generally, any price below $1671 can be considered a good price for a round-trip UTP to IAH flight.

See below for a graph of average weekly prices for the UTP to IAH route. All prices are for round-trip tickets in USD.

UTP to IAH Flight Prices

Compared to other flights, the UTP to IAH flight is more expensive than the average and costs less than the average flight leaving from Pattaya City. The average price per mile (for a direct flight) is $0.11, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Fridays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $161 (9%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $1696. Return trip prices are from the IAH to UTP flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from UTP to IAH can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 17 hour 43 minutes may not be realistic.


Flight Hacking UTP to IAH

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from UTP to IAH — but Champion Traveler does!

Hack #1: Kuala Lumpur (UTP > KUL > IAH)

  • Price for both tickets: $1269
  • Average savings: $402 (24.06%)

See UTP to CNX flights

Hack #2: Chiang Mai (UTP > CNX > IAH)

  • Price for both tickets: $1338
  • Average savings: $333 (19.93%)

See UTP to KUL flights

Hack #3: Phuket (UTP > HKT > IAH)

  • Price for both tickets: $1464
  • Average savings: $208 (12.42%)

See UTP to HKT flights


Flight Questions Answered

Still have questions about flying from UTP to IAH? We’ve got answers.

Which airlines fly this route?

You can find 10 major airlines flying this route most often: ANA, Bangkok Airways, British Airways, China Southern, Emirates, EVA Air, Qatar Airways, Singapore Airlines, Turkish Airlines, United, and potentially more during busy seasons.

How far away is it from George Bush Intercontinental/Houston Airport to U-Tapao Pattaya International Airport?

The distance between the two airports is roughly 9293 miles or 14956 kilometers.

How long does it take to fly from UTP to IAH?

The real-world flight time for a nonstop UTP to IAH flight is about 17 hour 43 minutes.

How many flights go between Utapao and Houston, TX?

It depends on the day of the week and the date, but a typical day might have around 10 available flights from UTP to IAH.


Airport Location Info


Departing Airport

Origination codeUTP
Origination airport nameU-Tapao Pattaya International Airport

Return Airport

Destination codeIAH
Destination airport nameGeorge Bush Intercontinental/Houston Airport
CityHouston, TX
Countrythe United States


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.