S$623 Cheap Flights from Houston to Bangkok

View S$623 flight on Thu, 26 Feb, 2026Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Suvarnabhumi Intl. Airport (BKK)

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Cheap Flights from Houston to Bangkok (IAH-BKK)

Prices were available within the past 7 days and start at S$623 for one-way flights and S$1,138 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, 14 Aug - Wed, 27 Aug
IAH
Houston
BKK
Bangkok
S$1,138 Return, found 6 days ago
S$1,138
Return
found 6 days ago
Select United flight, departing Thu, 14 Aug from Houston to Bangkok, returning Wed, 27 Aug, priced at S$1,138 found 6 days ago
United
Thu, 14 Aug - Wed, 27 Aug
IAH
Houston
BKK
Bangkok
S$1,144 Return, found 6 days ago
S$1,144
Return
found 6 days ago
Select United flight, departing Thu, 14 Aug from Houston to Bangkok, returning Wed, 27 Aug, priced at S$1,144 found 6 days ago
All Nippon Airways
Thu, 14 Aug - Wed, 27 Aug
IAH
Houston
BKK
Bangkok
S$1,155 Return, found 6 days ago
S$1,155
Return
found 6 days ago
Select All Nippon Airways flight, departing Thu, 14 Aug from Houston to Bangkok, returning Wed, 27 Aug, priced at S$1,155 found 6 days ago
All Nippon Airways
Thu, 14 Aug - Wed, 27 Aug
IAH
Houston
BKK
Bangkok
S$1,159 Return, found 6 days ago
S$1,159
Return
found 6 days ago
Select All Nippon Airways flight, departing Thu, 14 Aug from Houston to Bangkok, returning Wed, 27 Aug, priced at S$1,159 found 6 days ago
All Nippon Airways
Thu, 14 Aug - Wed, 27 Aug
IAH
Houston
BKK
Bangkok
S$1,161 Return, found 6 days ago
S$1,161
Return
found 6 days ago
Select All Nippon Airways flight, departing Thu, 14 Aug from Houston to Bangkok, returning Wed, 27 Aug, priced at S$1,161 found 6 days ago
EVA Airways
Thu, 14 Aug - Wed, 27 Aug
IAH
Houston
BKK
Bangkok
S$1,294 Return, found 6 days ago
S$1,294
Return
found 6 days ago
Select EVA Airways flight, departing Thu, 14 Aug from Houston to Bangkok, returning Wed, 27 Aug, priced at S$1,294 found 6 days ago
Delta
Tue, 2 Dec - Fri, 12 Dec
IAH
Houston
BKK
Bangkok
S$1,403 Return, found 6 days ago
S$1,403
Return
found 6 days ago
Select Delta flight, departing Tue, 2 Dec from Houston to Bangkok, returning Fri, 12 Dec, priced at S$1,403 found 6 days ago
United
Thu, 14 Aug - Wed, 27 Aug
IAH
Houston
BKK
Bangkok
S$1,431 Return, found 6 days ago
S$1,431
Return
found 6 days ago
Select United flight, departing Thu, 14 Aug from Houston to Bangkok, returning Wed, 27 Aug, priced at S$1,431 found 6 days ago
Turkish Airlines
Tue, 2 Dec - Fri, 12 Dec
IAH
Houston
BKK
Bangkok
S$1,653 Return, found 6 days ago
S$1,653
Return
found 6 days ago
Select Turkish Airlines flight, departing Tue, 2 Dec from Houston to Bangkok, returning Fri, 12 Dec, priced at S$1,653 found 6 days ago
Air Canada
Tue, 2 Dec - Fri, 12 Dec
IAH
Houston
BKK
Bangkok
S$1,834 Return, found 6 days ago
S$1,834
Return
found 6 days ago
Select Air Canada flight, departing Tue, 2 Dec from Houston to Bangkok, returning Fri, 12 Dec, priced at S$1,834 found 6 days ago

Find the cheapest month to fly from Houston (IAH) to Bangkok (BKK)

September is typically the cheapest month to fly

From S$1,123 - S$1,413 per traveller.

Graph displaying average flight prices per month

Houston to Bangkok route information
Origin airport
George Bush Intercontinental
Destination airport
Suvarnabhumi Intl.
Return price
S$1,138
Distance
14774 km

Flights from Houston to Bangkok

There are several airlines that operate frequent flights from Houston (IAH) to Bangkok (BKK) including

The earliest flight leaves George Bush Intercontinental Airport at 00:05 and arrives at Suvarnabhumi Intl. Airport at 00:10. The last flight of the day departs Houston at 23:40 and arrives at Bangkok at 23:50.

The flight distance from Houston to Bangkok is about 16926 km, the shortest flight is 20 hours 45 minutes with United Airlines."

Expedia lets you search across the largest number of airlines and Bangkok flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Houston Bangkok flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Houston to Bangkok trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Bangkok flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Houston to Bangkok with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

Frequently asked questions

How much is a flight from Houston Airport to Suvarnabhumi Airport?
Start packing your bags, because round-trip flights from IAH to Bangkok Airport start from S$1,138. That's based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can rise quickly, so book now to lock in the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from George Bush Intercontinental Airport (IAH) to Suvarnabhumi Airport?
The majority of flights can be conveniently cancelled online, but whether you incur a fee all comes down to your airline. If you do need to cancel your break, follow the instructions in the Customer Service Portal.
How do I find cheap flights from IAH to Bangkok Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Houston Airport to Suvarnabhumi Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from George Bush Intercontinental Airport (IAH) to BKK?
The distance is around 14,900 kilometres. Travel pillow? Check. Toiletries? Double check. We suggest you pack all the travel comforts for this long-haul Houston to Bang Phli flight.
Which airlines fly direct from Houston Airport to Suvarnabhumi Airport?
If you want to fly straight from IAH to Suvarnabhumi Airport, you'll have to book a flight with at least one stop. Unfortunately, there aren't any airlines that fly directly on this route.
Are George Bush Intercontinental Airport (IAH) to Suvarnabhumi Airport flight tickets cheaper when they're purchased at the last minute?
Airline tickets from IAH to Bangkok Airport are available up to a year before departure on Expedia. And although you may occasionally score great last-minute deal, it's not something you should bank on. Also, booking your flights ahead of time means you'll have more options --- and you can avoid being wedged in the dreaded middle seat! We're always updating our fares to bring you the best bargains, so keep checking in for all the latest specials.

Explore a world of travel with Expedia

Houston Airports

Houston

George Bush Intercontinental to Bangkok
S$1,137.70
*Available to Expedia members.