S$629 Cheap Flights from Houston to Bangkok

View S$629 flight on Tue, 20 Jan, 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$629 for one-way flights and S$1,150 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, 20 Jan - Tue, 3 Feb
IAH
Houston
BKK
Bangkok
S$1,150 Return, found 3 days ago
S$1,150
Return
found 3 days ago
Select United flight, departing Tue, 20 Jan from Houston to Bangkok, returning Tue, 3 Feb, priced at S$1,150 found 3 days ago
Delta
Sun, 8 Mar - Tue, 24 Mar
IAH
Houston
BKK
Bangkok
S$1,188 Return, found 5 days ago
S$1,188
Return
found 5 days ago
Select Delta flight, departing Sun, 8 Mar from Houston to Bangkok, returning Tue, 24 Mar, priced at S$1,188 found 5 days ago
All Nippon Airways
Mon, 19 Jan - Thu, 22 Jan
IAH
Houston
BKK
Bangkok
S$1,192 Return, found 5 days ago
S$1,192
Return
found 5 days ago
Select All Nippon Airways flight, departing Mon, 19 Jan from Houston to Bangkok, returning Thu, 22 Jan, priced at S$1,192 found 5 days ago
All Nippon Airways
Mon, 19 Jan - Thu, 22 Jan
IAH
Houston
BKK
Bangkok
S$1,232 Return, found 5 days ago
S$1,232
Return
found 5 days ago
Select All Nippon Airways flight, departing Mon, 19 Jan from Houston to Bangkok, returning Thu, 22 Jan, priced at S$1,232 found 5 days ago
All Nippon Airways
Mon, 19 Jan - Thu, 22 Jan
IAH
Houston
BKK
Bangkok
S$1,240 Return, found 5 days ago
S$1,240
Return
found 5 days ago
Select All Nippon Airways flight, departing Mon, 19 Jan from Houston to Bangkok, returning Thu, 22 Jan, priced at S$1,240 found 5 days ago
United
Tue, 20 Jan - Tue, 3 Feb
IAH
Houston
BKK
Bangkok
S$1,279 Return, found 3 days ago
S$1,279
Return
found 3 days ago
Select United flight, departing Tue, 20 Jan from Houston to Bangkok, returning Tue, 3 Feb, priced at S$1,279 found 3 days ago
Alaska Airlines
Tue, 20 Jan - Tue, 3 Feb
IAH
Houston
BKK
Bangkok
S$1,336 Return, found 3 days ago
S$1,336
Return
found 3 days ago
Select Alaska Airlines flight, departing Tue, 20 Jan from Houston to Bangkok, returning Tue, 3 Feb, priced at S$1,336 found 3 days ago
Cathay Pacific
Sun, 8 Mar - Tue, 24 Mar
IAH
Houston
BKK
Bangkok
S$1,392 Return, found 5 days ago
S$1,392
Return
found 5 days ago
Select Cathay Pacific flight, departing Sun, 8 Mar from Houston to Bangkok, returning Tue, 24 Mar, priced at S$1,392 found 5 days ago
Turkish Airlines
Sun, 8 Mar - Tue, 24 Mar
IAH
Houston
BKK
Bangkok
S$1,404 Return, found 5 days ago
S$1,404
Return
found 5 days ago
Select Turkish Airlines flight, departing Sun, 8 Mar from Houston to Bangkok, returning Tue, 24 Mar, priced at S$1,404 found 5 days ago
EVA Airways
Tue, 20 Jan - Tue, 3 Feb
IAH
Houston
BKK
Bangkok
S$1,432 Return, found 3 days ago
S$1,432
Return
found 3 days ago
Select EVA Airways flight, departing Tue, 20 Jan from Houston to Bangkok, returning Tue, 3 Feb, priced at S$1,432 found 3 days ago

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

September is typically the cheapest month to fly

From S$1,101 - S$1,364 per traveller.
Houston to Bangkok route information
Origin airport
George Bush Intercontinental
Destination airport
Suvarnabhumi Intl.
Return price
S$1,150
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$1,150. 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.

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Houston Airports

Houston

George Bush Intercontinental to Bangkok
S$1,149.80
*Available to Expedia members.