Cheap Flights From Great Falls Intl. (GTF) To George Bush Intercontinental (IAH)

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Cheapest Flights from Great Falls (GTF) to Houston (IAH)

The cheapest flights to George Bush Intercontinental found within the past 7 days were CA $396 round trip and CA $454 one way. Prices and availability subject to change. Additional terms may apply.

Tue, Mar 24 - Wed, Mar 25
GTF
Great Falls
IAH
Houston
CA $396 Roundtrip, found 1 day ago
CA $396
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Mar 24 from Great Falls to Houston, returning Wed, Mar 25, priced at CA $396 found 1 day ago
Tue, Mar 24 - Thu, Mar 26
GTF
Great Falls
IAH
Houston
CA $407 Roundtrip, found 1 day ago
CA $407
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Mar 24 from Great Falls to Houston, returning Thu, Mar 26, priced at CA $407 found 1 day ago
Tue, Mar 24 - Sat, Mar 28
GTF
Great Falls
IAH
Houston
CA $519 Roundtrip, found 1 day ago
CA $519
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Mar 24 from Great Falls to Houston, returning Sat, Mar 28, priced at CA $519 found 1 day ago
Tue, Mar 24 - Fri, Mar 27
GTF
Great Falls
IAH
Houston
CA $527 Roundtrip, found 1 day ago
CA $527
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Mar 24 from Great Falls to Houston, returning Fri, Mar 27, priced at CA $527 found 1 day ago
Mon, Mar 23 - Wed, Mar 25
GTF
Great Falls
IAH
Houston
CA $563 Roundtrip, found 1 day ago
CA $563
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Mar 23 from Great Falls to Houston, returning Wed, Mar 25, priced at CA $563 found 1 day ago
Mon, Mar 23 - Mon, Mar 30
GTF
Great Falls
IAH
Houston
CA $631 Roundtrip, found 1 day ago
CA $631
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Mar 23 from Great Falls to Houston, returning Mon, Mar 30, priced at CA $631 found 1 day ago
Mon, Mar 23 - Thu, Mar 26
GTF
Great Falls
IAH
Houston
CA $667 Roundtrip, found 1 day ago
CA $667
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Mon, Mar 23 from Great Falls to Houston, returning Thu, Mar 26, priced at CA $667 found 1 day ago
Sun, Mar 8 - Fri, Mar 13
GTF
Great Falls
IAH
Houston
CA $697 Roundtrip, found 6 days ago
CA $697
Roundtrip
found 6 days ago
Select Delta flight, departing Sun, Mar 8 from Great Falls to Houston, returning Fri, Mar 13, priced at CA $697 found 6 days ago
Wed, Mar 25 - Mon, Mar 30
GTF
Great Falls
IAH
Houston
CA $721 Roundtrip, found 1 day ago
CA $721
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Wed, Mar 25 from Great Falls to Houston, returning Mon, Mar 30, priced at CA $721 found 1 day ago
Mon, Mar 23 - Tue, Mar 24
GTF
Great Falls
IAH
Houston
CA $727 Roundtrip, found 1 day ago
CA $727
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Mar 23 from Great Falls to Houston, returning Tue, Mar 24, priced at CA $727 found 1 day ago

Frequently asked questions

Are there direct flights from GTF to George Bush Intercontinental Airport (IAH)?
Be prepared for a stopover when jetting from Great Falls Intl. Airport (GTF) to IAH. There are no direct flights on this route, however United Airlines, Delta and Alaska Airlines will get you to Houston as speedily as possible.
What airlines fly from Great Falls Intl. Airport to George Bush Intercontinental Airport (IAH)?
Currently, there are no direct flights offered between Great Falls Intl. Airport (GTF) and George Bush Intercontinental Airport (IAH). Plan ahead to save time and find a route with the least amount of layovers.
What is the best day to buy a plane ticket?
Airfares offered on Friday tend to be the cheapest, according to flight demand on Travelocity.ca in 2021. Purchasing your airfares on a Thursday or Saturday can also provide better value, however our advice if you're looking to save money is to avoid booking on a Wednesday or Sunday. Our data shows that those two days have the highest ticket values on average, so keep this in mind if you're browsing flight deals.
What are the cheapest days to fly?
Frequent travellers may already know this, but earlier in the week is often the cheapest time to fly. Flights departing on a Monday are the cheapest of the week. Since flights towards the middle of the week tend to be more popular, this causes the prices to rise. This is why, on average, airfares booked on Travelocity.ca in 2021 were most expensive for Wednesday departures.
How far in advance can you book a flight?
Here's the deal: It is typically possible to start comparing international airfares on Travelocity.ca up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2-4 weeks prior to their travel dates.*According to flight demand on Travelocity.ca from January to December 2021. Savings are subject to change and may vary depending on selections made.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.