Cheap flights from Houston to Great Falls from $340

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 to Great Falls departing on 7/9. 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

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Find the cheapest flights from Houston to Great Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:30 am - 8:20 pm
IAH
-
GTF
14h 50m
2 stops
Multiple Airlines Logo
10:19 am - 12:22 pm
GTF
-
IAH
25h 03m
1 stop
$340Multiple Airlines
Thu, Jul 9 - Mon, Jul 13
Alaska Airlines Logo
2:34 pm - 4:39 pm
IAH
-
GTF
27h 05m
1 stop
Alaska Airlines Logo
5:19 pm - 5:13 pm
GTF
-
IAH
22h 54m
1 stop
$348Alaska Airlines
Thu, Sep 24 - Wed, Sep 30
Delta Logo
7:05 am - 5:41 pm
IAH
-
GTF
11h 36m
2 stops
Delta Logo
1:15 pm - 11:49 pm
GTF
-
IAH
9h 34m
2 stops
$359Delta
Thu, Sep 24 - Wed, Sep 30
Delta Logo
7:05 am - 5:41 pm
IAH
-
GTF
11h 36m
2 stops
Delta Logo
1:15 pm - 9:47 pm
GTF
-
IAH
7h 32m
1 stop
$384Delta
Thu, Sep 24 - Wed, Sep 30
Delta Logo
7:10 am - 5:42 pm
IAH
-
GTF
11h 32m
2 stops
Delta Logo
1:08 pm - 9:50 pm
GTF
-
IAH
7h 42m
1 stop
$424Delta
Fri, Jul 31 - Wed, Aug 5
United Airlines Logo
3:00 pm - 9:12 pm
IAH
-
GTF
7h 12m
1 stop
United Airlines Logo
2:25 pm - 9:41 pm
GTF
-
IAH
6h 16m
1 stop
$438United Airlines
Sat, Aug 29 - Tue, Sep 1
Multiple Airlines Logo
8:43 pm - 9:34 am
IAH
-
GTF
13h 51m
1 stop
Multiple Airlines Logo
10:19 am - 12:22 pm
GTF
-
IAH
25h 03m
1 stop
$453Multiple Airlines
Thu, Jul 9 - Mon, Jul 13
Delta Logo
7:35 am - 12:37 pm
IAH
-
GTF
6h 02m
1 stop
Delta Logo
5:40 am - 1:37 pm
GTF
-
IAH
6h 57m
1 stop
$473Delta
Fri, Jul 31 - Wed, Aug 5
Delta Logo
7:10 am - 5:42 pm
IAH
-
GTF
11h 32m
2 stops
Delta Logo
5:40 am - 3:14 pm
GTF
-
IAH
8h 34m
2 stops
$499Delta
Fri, Jul 31 - Wed, Aug 5
Delta Logo
11:00 am - 10:42 pm
HOU
-
GTF
12h 42m
2 stops
Delta Logo
6:21 pm - 10:01 am
GTF
-
HOU
14h 40m
2 stops
$519Delta
Thu, Sep 24 - Wed, Sep 30

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United Airlines flights from Houston to Great Falls

Our best United Airlines deals on Houston to Great Falls flight tickets
United Airlines
Aug 29
IAH3:00 pmHouston George Bush Intcntl
7h 12m
1 stop
GTF9:12 pmGreat Falls
Sep 1
GTF2:25 pmGreat Falls
6h 16m
1 stop
IAH9:41 pmHouston George Bush Intcntl
$438
United Airlines
Oct 31
IAH6:10 pmHouston George Bush Intcntl
5h 20m
1 stop
GTF10:30 pmGreat Falls
Nov 3
GTF2:25 pmGreat Falls
7h 20m
1 stop
IAH10:45 pmHouston George Bush Intcntl
$558
United Airlines
Oct 31
IAH6:10 pmHouston George Bush Intcntl
5h 20m
1 stop
GTF10:30 pmGreat Falls
Nov 3
GTF2:25 pmGreat Falls
5h 25m
1 stop
IAH8:50 pmHouston George Bush Intcntl
$563

Delta flights from Houston to Great Falls

Our best Delta deals on Houston to Great Falls flight tickets
Delta
Sep 24
IAH7:05 amHouston George Bush Intcntl
11h 36m
2 stops
GTF5:41 pmGreat Falls
Sep 30
GTF1:15 pmGreat Falls
9h 34m
2 stops
IAH11:49 pmHouston George Bush Intcntl
$359
Delta
Sep 24
IAH7:05 amHouston George Bush Intcntl
11h 36m
2 stops
GTF5:41 pmGreat Falls
Sep 30
GTF1:15 pmGreat Falls
7h 32m
1 stop
IAH9:47 pmHouston George Bush Intcntl
$384
Delta
Jul 31
IAH7:10 amHouston George Bush Intcntl
11h 32m
2 stops
GTF5:42 pmGreat Falls
Aug 5
GTF1:08 pmGreat Falls
7h 42m
1 stop
IAH9:50 pmHouston George Bush Intcntl
$424

momondo Fare Finder

 
Customize your flight search to find flights from Houston 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 June 11, 2026.
Use the filters below to find and compare flights from Houston 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 7/9

6:30 am-8:20 pm

2 stops14h 50m

Great Falls

Mon 7/13

10:19 am-12:22 pm

1 stop25h 03m

$340

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Thu 9/24

2:34 pm-4:39 pm

1 stop27h 05m

Great Falls

Wed 9/30

5:19 pm-5:13 pm

1 stop22h 54m

$348

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Thu 9/24

7:05 am-5:41 pm

2 stops11h 36m

Great Falls

Wed 9/30

1:15 pm-11:49 pm

2 stops9h 34m

$359

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Thu 9/24

7:05 am-5:41 pm

2 stops11h 36m

Great Falls

Wed 9/30

1:15 pm-9:47 pm

1 stop7h 32m

$384

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Fri 7/31

7:10 am-5:42 pm

2 stops11h 32m

Great Falls

Wed 8/5

1:08 pm-9:50 pm

1 stop7h 42m

$424

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Sat 8/29

3:00 pm-9:12 pm

1 stop7h 12m

Great Falls

Tue 9/1

2:25 pm-9:41 pm

1 stop6h 16m

$438

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Thu 7/9

8:43 pm-9:34 am

1 stop13h 51m

Great Falls

Mon 7/13

10:19 am-12:22 pm

1 stop25h 03m

$453
Quickest round-trip

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Fri 7/31

7:35 am-12:37 pm

1 stop6h 02m

Great Falls

Wed 8/5

5:40 am-1:37 pm

1 stop6h 57m

$473

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Fri 7/31

7:10 am-5:42 pm

2 stops11h 32m

Great Falls

Wed 8/5

5:40 am-3:14 pm

2 stops8h 34m

$499

HoustonGreat Falls

HOU - GTF

HOUGTF

Houston Hobby

Thu 9/24

11:00 am-10:42 pm

2 stops12h 42m

Great Falls

Wed 9/30

6:21 pm-10:01 am

2 stops14h 40m

$519

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Houston 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

What is the cheapest airline that flies from Houston to Great Falls?

United Airlines, Delta, and Alaska Airlines are the most popular carriers operating from Houston to Great Falls

Cheap Houston to Great Falls flight deals and tips

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

Fastest flight time

5h 20m

Direct flights

None
The fastest flight from Houston to Great Falls takes 5h 20m
There are no direct flights from Houston to Great Falls. There are no popular flight routes from Houston to Great Falls.

Frequently asked questions about flying from Houston to Great Falls

  • How far is Houston to Great Falls by plane?

    Great Falls is 1490.0 mi away from Houston. 5h 20m is a normal flight duration for this route.

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

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

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

  • How old do you have to be to fly from Houston 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 to Great Falls Airport.

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

    The necessary travel and health documents for your Great Falls Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Houston to Great Falls

Compare and see reviews for airlines that fly from Houston to Great Falls with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $298Free CancellationRating
7.4
9,809 reviews
Search United Airlines flights
DeltaPriceFrom $378Free CancellationRating
7.9
8,400 reviews
Search Delta flights

Traveling to a place near Great Falls?

Book flights to Great Falls if you plan to visit one of these locations
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Why use momondo?

Why should I use momondo to find a flight deal from Houston to Great Falls?

It is quick and easy to find Houston to Great Falls flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Great Falls that suits you.

Can I find flights from Houston to Great Falls with flexible booking policies on momondo?

Flights from Houston to Great Falls with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Houston to Great Falls?

momondo provides multiple filters to help you find the best flight to Great Falls from Houston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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1 adult
Sat 7/11
Sat 7/18

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