Cheap flights from Houston to Great Falls from $380

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 1/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

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Alaska Airlines Logo
5:55 pm - 5:19 pmIAH-GTF
24h 24m2 stops
Alaska Airlines Logo
5:59 pm - 4:55 pmGTF-IAH
21h 56m2 stops
$380Alaska Airlines
Find Deal
jue., ene. 22 - lun., ene. 26
Alaska Airlines Logo
5:55 pm - 5:19 pmIAH-GTF
24h 24m2 stops
Alaska Airlines Logo
5:59 pm - 4:55 pmGTF-IAH
21h 56m2 stops
$400Alaska Airlines
Find Deal
jue., ene. 22 - lun., ene. 26
Delta Logo
11:34 am - 5:30 pmIAH-GTF
6h 56m1 stop
Delta Logo
1:12 pm - 5:46 pmGTF-IAH
27h 34m1 stop
$410Delta
Find Deal
jue., ene. 22 - lun., ene. 26
Delta Logo
11:34 am - 5:30 pmIAH-GTF
6h 56m1 stop
Delta Logo
6:10 pm - 11:37 pmGTF-IAH
28h 27m2 stops
$417Delta
Find Deal
jue., ene. 22 - lun., ene. 26
Delta Logo
11:34 am - 5:30 pmIAH-GTF
6h 56m1 stop
Delta Logo
6:10 pm - 8:49 amGTF-IAH
13h 39m2 stops
$424Delta
Find Deal
jue., ene. 22 - lun., ene. 26
Alaska Airlines Logo
7:00 am - 5:19 pmIAH-GTF
11h 19m1 stop
Alaska Airlines Logo
5:59 pm - 6:17 pmGTF-IAH
23h 18m1 stop
$442Alaska Airlines
Find Deal
jue., ene. 22 - lun., ene. 26
Alaska Airlines Logo
5:55 pm - 5:19 pmIAH-GTF
24h 24m2 stops
Alaska Airlines Logo
5:59 pm - 11:54 pmGTF-IAH
28h 55m1 stop
$447Alaska Airlines
Find Deal
jue., ene. 22 - lun., ene. 26
Alaska Airlines Logo
7:35 am - 3:20 pmIAH-GTF
8h 45m1 stop
Alaska Airlines Logo
4:00 pm - 11:58 pmGTF-IAH
6h 58m1 stop
$456Alaska Airlines
Find Deal
jue., abr. 2 - dom., abr. 5
Delta Logo
12:41 pm - 5:39 pmIAH-GTF
5h 58m1 stop
Delta Logo
5:30 am - 11:50 amGTF-IAH
5h 20m1 stop
$476Delta
Find Deal
jue., abr. 2 - dom., abr. 5
Delta Logo
6:35 am - 5:39 pmIAH-GTF
12h 04m2 stops
Delta Logo
5:30 am - 11:50 amGTF-IAH
5h 20m1 stop
$492Delta
Find Deal
jue., abr. 2 - dom., abr. 5

Alaska Airlines flights from Houston to Great Falls

Our best Alaska Airlines deals on Houston to Great Falls flight tickets
Alaska Airlines
Jan 22
IAH5:55 pmHouston George Bush Intcntl
24h 24m
2 stops
GTF5:19 pmGreat Falls
Jan 26
GTF5:59 pmGreat Falls
21h 56m
2 stops
IAH4:55 pmHouston George Bush Intcntl
Alaska Airlines
Jan 22
IAH5:55 pmHouston George Bush Intcntl
24h 24m
2 stops
GTF5:19 pmGreat Falls
Jan 26
GTF5:59 pmGreat Falls
21h 56m
2 stops
IAH4:55 pmHouston George Bush Intcntl
Alaska Airlines
Jan 22
IAH7:00 amHouston George Bush Intcntl
11h 19m
1 stop
GTF5:19 pmGreat Falls
Jan 26
GTF5:59 pmGreat Falls
23h 18m
1 stop
IAH6:17 pmHouston George Bush Intcntl

Delta flights from Houston to Great Falls

Our best Delta deals on Houston to Great Falls flight tickets
Delta
Jan 22
IAH11:34 amHouston George Bush Intcntl
6h 56m
1 stop
GTF5:30 pmGreat Falls
Jan 26
GTF1:12 pmGreat Falls
27h 34m
1 stop
IAH5:46 pmHouston George Bush Intcntl
Delta
Jan 22
IAH11:34 amHouston George Bush Intcntl
6h 56m
1 stop
GTF5:30 pmGreat Falls
Jan 26
GTF6:10 pmGreat Falls
28h 27m
2 stops
IAH11:37 pmHouston George Bush Intcntl
Delta
Jan 22
IAH11:34 amHouston George Bush Intcntl
6h 56m
1 stop
GTF5:30 pmGreat Falls
Jan 26
GTF6:10 pmGreat Falls
13h 39m
2 stops
IAH8:49 amHouston George Bush Intcntl

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 diciembre 3, 2025.
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

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

jue. 1/22

5:55 pm-5:19 pm

2 stops24h 24m

Great Falls

lun. 1/26

5:59 pm-4:55 pm

2 stops21h 56m

$380

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

jue. 1/22

5:55 pm-5:19 pm

2 stops24h 24m

Great Falls

lun. 1/26

5:59 pm-4:55 pm

2 stops21h 56m

$400

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

jue. 1/22

11:34 am-5:30 pm

1 stop6h 56m

Great Falls

lun. 1/26

1:12 pm-5:46 pm

1 stop27h 34m

$410

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

jue. 1/22

11:34 am-5:30 pm

1 stop6h 56m

Great Falls

lun. 1/26

6:10 pm-11:37 pm

2 stops28h 27m

$417

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

jue. 1/22

11:34 am-5:30 pm

1 stop6h 56m

Great Falls

lun. 1/26

6:10 pm-8:49 am

2 stops13h 39m

$424

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

jue. 1/22

7:00 am-5:19 pm

1 stop11h 19m

Great Falls

lun. 1/26

5:59 pm-6:17 pm

1 stop23h 18m

$442

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

jue. 1/22

5:55 pm-5:19 pm

2 stops24h 24m

Great Falls

lun. 1/26

5:59 pm-11:54 pm

1 stop28h 55m

$447

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

jue. 4/2

7:35 am-3:20 pm

1 stop8h 45m

Great Falls

dom. 4/5

4:00 pm-11:58 pm

1 stop6h 58m

$456

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

jue. 4/2

12:41 pm-5:39 pm

1 stop5h 58m

Great Falls

dom. 4/5

5:30 am-11:50 am

1 stop5h 20m

$476

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

jue. 4/2

6:35 am-5:39 pm

2 stops12h 04m

Great Falls

dom. 4/5

5:30 am-11:50 am

1 stop5h 20m

$492

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Great Falls from

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 time of day to depart on your flight to Great Falls?

According to our data, the cheapest time of day to fly to Great Falls is at noon. momondo users have found flights departing from Houston to Great Falls at noon for as low as $424. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $607 on average. Flights to Great Falls from Houston in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 51m

Direct flights

None
The fastest flight from Houston to Great Falls takes 5h 51m
There are no direct flights from Houston to Great Falls. There are no popular flight routes from Houston to Great Falls.
  • How far is Houston to Great Falls by plane?

    Great Falls is 1490.0 mi away from Houston. 5h 58m 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 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.

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.

I’m not ready to book a flight from Houston to Great Falls right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Houston to Great Falls flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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