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Cheap flights from Houston George Bush Intcntl Airport to Great Falls from $185

This is the cheapest one-way 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 4/15. 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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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
9:05 pm - 10:52 am
IAH
-
GTF
14h 47m
1 stop
Multiple Airlines Logo
10:24 am - 12:44 am
GTF
-
IAH
37h 20m
2 stops
$252Multiple Airlines
Thu, May 7 - Fri, May 22
Multiple Airlines Logo
9:05 pm - 10:52 am
IAH
-
GTF
14h 47m
1 stop
Multiple Airlines Logo
10:24 am - 12:44 am
GTF
-
IAH
37h 20m
2 stops
$258Multiple Airlines
Thu, May 7 - Fri, May 22
Multiple Airlines Logo
9:05 pm - 10:52 am
IAH
-
GTF
14h 47m
1 stop
Multiple Airlines Logo
10:24 am - 12:33 pm
GTF
-
IAH
25h 09m
1 stop
$259Multiple Airlines
Thu, May 7 - Fri, May 22
Multiple Airlines Logo
9:05 pm - 10:52 am
IAH
-
GTF
14h 47m
1 stop
Multiple Airlines Logo
10:24 am - 12:33 pm
GTF
-
IAH
25h 09m
1 stop
$264Multiple Airlines
Thu, May 7 - Fri, May 22
Multiple Airlines Logo
9:05 pm - 10:52 am
IAH
-
GTF
14h 47m
1 stop
Multiple Airlines Logo
10:24 am - 12:44 am
GTF
-
IAH
37h 20m
2 stops
$284Multiple Airlines
Thu, May 7 - Fri, May 22
Multiple Airlines Logo
9:05 pm - 10:52 am
IAH
-
GTF
14h 47m
1 stop
Multiple Airlines Logo
10:24 am - 12:33 pm
GTF
-
IAH
25h 09m
1 stop
$290Multiple Airlines
Thu, May 7 - Fri, May 22
Multiple Airlines Logo
9:05 pm - 10:52 am
IAH
-
GTF
14h 47m
1 stop
Multiple Airlines Logo
10:24 am - 12:33 pm
GTF
-
IAH
25h 09m
1 stop
$291Multiple Airlines
Sun, May 10 - Fri, May 22
Multiple Airlines Logo
1:28 pm - 8:41 pm
IAH
-
GTF
32h 13m
2 stops
Multiple Airlines Logo
10:24 am - 12:33 pm
GTF
-
IAH
25h 09m
1 stop
$292Multiple Airlines
Wed, May 6 - Fri, May 22
Multiple Airlines Logo
9:05 pm - 10:52 am
IAH
-
GTF
14h 47m
1 stop
Multiple Airlines Logo
10:24 am - 12:33 pm
GTF
-
IAH
25h 09m
1 stop
$296Multiple Airlines
Sun, May 10 - Fri, May 22
Multiple Airlines Logo
9:05 pm - 10:52 am
IAH
-
GTF
14h 47m
1 stop
Multiple Airlines Logo
9:07 pm - 10:17 am
GTF
-
IAH
36h 10m
2 stops
$303Multiple Airlines
Thu, May 7 - Sun, May 24

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
May 6
IAH7:45 amHouston George Bush Intcntl
5h 42m
1 stop
GTF12:27 pmGreat Falls
May 19
GTF1:07 pmGreat Falls
8h 10m
1 stop
IAH10:17 pmHouston George Bush Intcntl
$358
Delta
May 8
IAH6:15 amHouston George Bush Intcntl
12h 24m
2 stops
GTF5:39 pmGreat Falls
May 24
GTF1:07 pmGreat Falls
8h 10m
1 stop
IAH10:17 pmHouston George Bush Intcntl
$364
Delta
May 6
IAH6:25 amHouston George Bush Intcntl
12h 15m
2 stops
GTF5:40 pmGreat Falls
May 24
GTF6:19 pmGreat Falls
13h 28m
2 stops
IAH8:47 amHouston George Bush Intcntl
$369

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
May 7
IAH6:55 amHouston George Bush Intcntl
7h 39m
1 stop
GTF1:34 pmGreat Falls
May 19
GTF6:15 amGreat Falls
8h 07m
1 stop
IAH3:22 pmHouston George Bush Intcntl
$412
United Airlines
May 9
IAH8:13 amHouston George Bush Intcntl
6h 21m
1 stop
GTF1:34 pmGreat Falls
May 18
GTF2:35 pmGreat Falls
7h 39m
1 stop
IAH11:14 pmHouston George Bush Intcntl
$458

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 April 4, 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 5/7

9:05 pm-10:52 am

1 stop14h 47m

Great Falls

Fri 5/22

10:24 am-12:44 am

2 stops37h 20m

$252

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Thu 5/7

9:05 pm-10:52 am

1 stop14h 47m

Great Falls

Fri 5/22

10:24 am-12:44 am

2 stops37h 20m

$258
Quickest round-trip

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Thu 5/7

9:05 pm-10:52 am

1 stop14h 47m

Great Falls

Fri 5/22

10:24 am-12:33 pm

1 stop25h 09m

$259

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Thu 5/7

9:05 pm-10:52 am

1 stop14h 47m

Great Falls

Fri 5/22

10:24 am-12:33 pm

1 stop25h 09m

$264

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Thu 5/7

9:05 pm-10:52 am

1 stop14h 47m

Great Falls

Fri 5/22

10:24 am-12:44 am

2 stops37h 20m

$284

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Thu 5/7

9:05 pm-10:52 am

1 stop14h 47m

Great Falls

Fri 5/22

10:24 am-12:33 pm

1 stop25h 09m

$290

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Sun 5/10

9:05 pm-10:52 am

1 stop14h 47m

Great Falls

Fri 5/22

10:24 am-12:33 pm

1 stop25h 09m

$291

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Wed 5/6

1:28 pm-8:41 pm

2 stops32h 13m

Great Falls

Fri 5/22

10:24 am-12:33 pm

1 stop25h 09m

$292

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Sun 5/10

9:05 pm-10:52 am

1 stop14h 47m

Great Falls

Fri 5/22

10:24 am-12:33 pm

1 stop25h 09m

$296

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Thu 5/7

9:05 pm-10:52 am

1 stop14h 47m

Great Falls

Sun 5/24

9:07 pm-10:17 am

2 stops36h 10m

$303

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Great Falls from

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

What is the typical price of a round-trip flight between Houston George Bush Intcntl Airport and Great Falls?

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

You could potentially save up to 19% 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 26m

Direct flights

None
The fastest flight from Houston George Bush Intcntl Airport to Great Falls takes 6h 26m
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 26m, 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
9,541 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.

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

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

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

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.

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

Yes. momondo can track prices for Houston to Great Falls flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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