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Cheap flights from Houston George Bush Intcntl Airport to Great Falls from $292

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Houston George Bush Intcntl Airport to Great Falls departing on 8/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Houston George Bush Intcntl Airport to Great Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:22 pm - 9:29 am
IAH
-
GTF
21h 07m
1 stop
Multiple Airlines Logo
10:19 am - 12:58 pm
GTF
-
IAH
25h 39m
1 stop
$292Multiple Airlines
Thu, Aug 13 - Mon, Aug 17
Multiple Airlines Logo
8:43 pm - 9:29 am
IAH
-
GTF
13h 46m
1 stop
Multiple Airlines Logo
9:18 pm - 1:59 pm
GTF
-
IAH
15h 41m
1 stop
$294Multiple Airlines
Thu, Aug 6 - Thu, Aug 13
Delta Logo
7:30 am - 12:28 pm
IAH
-
GTF
5h 58m
1 stop
Delta Logo
5:40 am - 1:37 pm
GTF
-
IAH
6h 57m
1 stop
$338Delta
Sun, Aug 9 - Wed, Aug 19
Delta Logo
7:30 am - 12:28 pm
IAH
-
GTF
5h 58m
1 stop
Delta Logo
1:08 pm - 11:54 pm
GTF
-
IAH
9h 46m
2 stops
$344Delta
Sun, Aug 9 - Mon, Aug 17
Multiple Airlines Logo
8:43 pm - 9:29 am
IAH
-
GTF
13h 46m
1 stop
Multiple Airlines Logo
9:18 pm - 12:27 pm
GTF
-
IAH
38h 09m
2 stops
$347Multiple Airlines
Thu, Aug 6 - Thu, Aug 13
Delta Logo
7:20 am - 5:38 pm
IAH
-
GTF
11h 18m
2 stops
Delta Logo
1:08 pm - 11:54 pm
GTF
-
IAH
9h 46m
2 stops
$349Delta
Mon, Aug 10 - Mon, Aug 17
Multiple Airlines Logo
6:14 pm - 9:34 am
IAH
-
GTF
40h 20m
2 stops
Multiple Airlines Logo
10:24 am - 12:22 pm
GTF
-
IAH
24h 58m
1 stop
$355Multiple Airlines
Wed, Jul 15 - Fri, Jul 24
Multiple Airlines Logo
4:02 pm - 9:34 am
IAH
-
GTF
18h 32m
2 stops
Multiple Airlines Logo
10:19 am - 12:22 pm
GTF
-
IAH
25h 03m
1 stop
$366Multiple Airlines
Thu, Jul 23 - Mon, Jul 27
Multiple Airlines Logo
4:02 pm - 9:34 am
IAH
-
GTF
18h 32m
2 stops
Multiple Airlines Logo
10:24 am - 12:22 pm
GTF
-
IAH
24h 58m
1 stop
$370Multiple Airlines
Thu, Jul 16 - Fri, Jul 24
Delta Logo
7:30 am - 12:28 pm
IAH
-
GTF
5h 58m
1 stop
Delta Logo
1:08 pm - 9:50 pm
GTF
-
IAH
7h 42m
1 stop
$373Delta
Sat, Aug 15 - Mon, Aug 17

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Delta flights from Houston George Bush Intcntl Airport to Great Falls

Our best Delta deals on Houston George Bush Intcntl Airport to Great Falls flight tickets
Delta
Aug 9
IAH7:30 amHouston George Bush Intcntl
5h 58m
1 stop
GTF12:28 pmGreat Falls
Aug 17
GTF1:08 pmGreat Falls
7h 42m
1 stop
IAH9:50 pmHouston George Bush Intcntl
$338
Delta
Aug 9
IAH7:30 amHouston George Bush Intcntl
5h 58m
1 stop
GTF12:28 pmGreat Falls
Aug 15
GTF6:18 pmGreat Falls
13h 19m
2 stops
IAH8:37 amHouston George Bush Intcntl
$344
Delta
Aug 10
IAH7:20 amHouston George Bush Intcntl
11h 18m
2 stops
GTF5:38 pmGreat Falls
Aug 19
GTF5:40 amGreat Falls
8h 34m
2 stops
IAH3:14 pmHouston George Bush Intcntl
$349

United Airlines flights from Houston George Bush Intcntl Airport to Great Falls

Our best United Airlines deals on Houston George Bush Intcntl Airport to Great Falls flight tickets
United Airlines
Jul 11
IAH6:30 amHouston George Bush Intcntl
8h 11m
1 stop
GTF1:41 pmGreat Falls
Jul 15
GTF6:15 amGreat Falls
6h 25m
1 stop
IAH1:40 pmHouston George Bush Intcntl
$433
United Airlines
Nov 11
IAH4:27 pmHouston George Bush Intcntl
6h 20m
1 stop
GTF9:47 pmGreat Falls
Nov 14
GTF2:39 pmGreat Falls
5h 19m
1 stop
IAH8:58 pmHouston George Bush Intcntl
$438
United Airlines
Oct 20
IAH6:20 amHouston George Bush Intcntl
8h 21m
1 stop
GTF1:41 pmGreat Falls
Oct 24
GTF2:37 pmGreat Falls
5h 18m
1 stop
IAH8:55 pmHouston George Bush Intcntl
$473

momondo Fare Finder

 
Customize your flight search to find flights from Houston George Bush Intcntl Airport to Great Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 1, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Great Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Thu 8/13

1:22 pm-9:29 am

1 stop21h 07m

Great Falls

Mon 8/17

10:19 am-12:58 pm

1 stop25h 39m

$292

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Thu 8/6

8:43 pm-9:29 am

1 stop13h 46m

Great Falls

Thu 8/13

9:18 pm-1:59 pm

1 stop15h 41m

$294
Quickest round-trip

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Sun 8/9

7:30 am-12:28 pm

1 stop5h 58m

Great Falls

Wed 8/19

5:40 am-1:37 pm

1 stop6h 57m

$338

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Sun 8/9

7:30 am-12:28 pm

1 stop5h 58m

Great Falls

Mon 8/17

1:08 pm-11:54 pm

2 stops9h 46m

$344

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Thu 8/6

8:43 pm-9:29 am

1 stop13h 46m

Great Falls

Thu 8/13

9:18 pm-12:27 pm

2 stops38h 09m

$347

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Mon 8/10

7:20 am-5:38 pm

2 stops11h 18m

Great Falls

Mon 8/17

1:08 pm-11:54 pm

2 stops9h 46m

$349

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Wed 7/15

6:14 pm-9:34 am

2 stops40h 20m

Great Falls

Fri 7/24

10:24 am-12:22 pm

1 stop24h 58m

$355

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Thu 7/23

4:02 pm-9:34 am

2 stops18h 32m

Great Falls

Mon 7/27

10:19 am-12:22 pm

1 stop25h 03m

$366

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Thu 7/16

4:02 pm-9:34 am

2 stops18h 32m

Great Falls

Fri 7/24

10:24 am-12:22 pm

1 stop24h 58m

$370

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Sat 8/15

7:30 am-12:28 pm

1 stop5h 58m

Great Falls

Mon 8/17

1:08 pm-9:50 pm

1 stop7h 42m

$373

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Houston George Bush Intcntl Airport to Great Falls

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Houston George Bush Intcntl Airport to Great Falls flights?

You could potentially save up to 17% on your flight if you consider stops on a Houston George Bush Intcntl Airport to Great Falls flight.

When to book flights from Houston George Bush Intcntl Airport to Great Falls

Are you open to changing your travel dates? Check out the ideal times to fly from Houston George Bush Intcntl Airport to Great Falls according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Houston George Bush Intcntl Airport to Great Falls (IAH to GTF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston George Bush Intcntl Airport to Great Falls

Fastest flight time

6h 20m

Direct flights

None
The fastest flight from Houston George Bush Intcntl Airport to Great Falls takes 6h 20m
There are no direct flights from Houston George Bush Intcntl Airport to Great Falls. There are no popular flight routes from Houston George Bush Intcntl Airport to Great Falls.
Search flight deals

Frequently asked questions about flying from Houston George Bush Intcntl Airport to Great Falls

  • How far is Houston George Bush Intcntl to Great Falls by plane?

    Great Falls is 1477.1 mi away from Houston George Bush Intcntl. Flights usually cover this in 6h 20m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Houston George Bush Intcntl Airport to Great Falls Airport?

    Prices for flights from Houston George Bush Intcntl Airport to Great Falls Airport are updated daily.

  • How many operators does momondo search for flights from Houston George Bush Intcntl Airport to Great Falls Airport?

  • How old do you have to be to fly from Houston George Bush Intcntl Airport to Great Falls Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston George Bush Intcntl Airport to Great Falls Airport.

  • What documentation or ID do you need to fly to Great Falls Airport?

    The travel and health documents you'll need for your trip to Great Falls Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Great Falls Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Houston George Bush Intcntl Airport to Great Falls?

Best airlines flying from Houston George Bush Intcntl Airport to Great Falls

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to Great Falls with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $298Free CancellationRating
7.4
9,909 reviews
Search United Airlines flights

Traveling to a place near Great Falls?

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To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Great Falls from Houston.

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Yes. momondo allows you to filter the results for Houston to Great Falls flights to just show those with flexible booking policies.

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Once all potential Houston to Great Falls flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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