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?

As of August 2025, there are 2 operators available to choose from 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.

$378 Cheap Flights from Houston to Great Falls in 2025

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Find the cheapest flights from Houston to Great Falls

Round-trip

One-way

Cheap round-trip flights

7:40 am - 12:28 pmIAH-GTF

5h 48m1 stop

5:30 am - 11:59 amGTF-IAH

5h 29m1 stop

$378Delta

Find Deal

Wed, Oct 29 - Mon, Nov 3

6:40 am - 5:29 pmIAH-GTF

11h 49m2 stops

5:30 am - 11:59 amGTF-IAH

5h 29m1 stop

$388Delta

Find Deal

Wed, Oct 29 - Mon, Nov 3

7:28 pm - 3:49 pmIAH-GTF

21h 21m1 stop

4:29 pm - 4:59 pmGTF-IAH

23h 30m2 stops

$426Alaska Airlines

Find Deal

Wed, Sep 17 - Tue, Sep 23

11:22 am - 5:27 pmIAH-GTF

7h 05m1 stop

5:40 am - 11:51 amGTF-IAH

5h 11m1 stop

$444Delta

Find Deal

Thu, Oct 2 - Sun, Oct 5

7:10 pm - 5:35 pmIAH-GTF

23h 25m1 stop

6:50 pm - 11:52 pmGTF-IAH

28h 02m1 stop

$475Alaska Airlines

Find Deal

Thu, Oct 23 - Sun, Oct 26

7:00 am - 5:27 pmIAH-GTF

11h 27m2 stops

5:40 am - 11:51 amGTF-IAH

5h 11m1 stop

$482Delta

Find Deal

Thu, Oct 2 - Sun, Oct 5

7:10 pm - 5:35 pmIAH-GTF

23h 25m1 stop

6:50 pm - 4:50 pmGTF-IAH

21h 00m2 stops

$484Alaska Airlines

Find Deal

Thu, Oct 23 - Sun, Oct 26

5:59 pm - 3:49 pmIAH-GTF

22h 50m2 stops

4:29 pm - 4:59 pmGTF-IAH

23h 30m2 stops

$508Alaska Airlines

Find Deal

Wed, Sep 17 - Tue, Sep 23

5:51 pm - 6:10 pmIAH-GTF

25h 19m2 stops

6:50 pm - 4:50 pmGTF-IAH

21h 00m2 stops

$539Alaska Airlines

Find Deal

Wed, Oct 29 - Mon, Nov 3

5:45 pm - 5:35 pmIAH-GTF

24h 50m2 stops

6:50 pm - 4:50 pmGTF-IAH

21h 00m2 stops

$547Alaska Airlines

Find Deal

Thu, Oct 23 - Sun, Oct 26

Delta flights from Houston to Great Falls

Our best Delta deals on Houston to Great Falls flight tickets

Delta

Oct 29

IAH7:40 amHouston George Bush Intcntl

5h 48m

1 stop

GTF12:28 pmGreat Falls

Nov 3

GTF5:30 amGreat Falls

5h 29m

1 stop

IAH11:59 amHouston George Bush Intcntl

$378

Find similar

Delta

Oct 29

IAH6:40 amHouston George Bush Intcntl

11h 49m

2 stops

GTF5:29 pmGreat Falls

Nov 3

GTF5:30 amGreat Falls

5h 29m

1 stop

IAH11:59 amHouston George Bush Intcntl

$388

Find similar

Delta

Oct 2

IAH11:22 amHouston George Bush Intcntl

7h 05m

1 stop

GTF5:27 pmGreat Falls

Oct 5

GTF5:40 amGreat Falls

5h 11m

1 stop

IAH11:51 amHouston George Bush Intcntl

$444

Find similar

Alaska Airlines flights from Houston to Great Falls

Our best Alaska Airlines deals on Houston to Great Falls flight tickets

Alaska Airlines

Sep 17

IAH7:28 pmHouston George Bush Intcntl

21h 21m

1 stop

GTF3:49 pmGreat Falls

Sep 23

GTF4:29 pmGreat Falls

23h 30m

2 stops

IAH4:59 pmHouston George Bush Intcntl

$426

Find similar

Alaska Airlines

Oct 23

IAH7:10 pmHouston George Bush Intcntl

23h 25m

1 stop

GTF5:35 pmGreat Falls

Oct 26

GTF6:50 pmGreat Falls

28h 02m

1 stop

IAH11:52 pmHouston George Bush Intcntl

$475

Find similar

Alaska Airlines

Oct 23

IAH7:10 pmHouston George Bush Intcntl

23h 25m

1 stop

GTF5:35 pmGreat Falls

Oct 26

GTF6:50 pmGreat Falls

21h 00m

2 stops

IAH4:50 pmHouston George Bush Intcntl

$484

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Wed 10/29

7:40 am-12:28 pm

1 stop5h 48m

Great Falls

Mon 11/3

5:30 am-11:59 am

1 stop5h 29m

$378

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Wed 10/29

6:40 am-5:29 pm

2 stops11h 49m

Great Falls

Mon 11/3

5:30 am-11:59 am

1 stop5h 29m

$388

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Wed 9/17

7:28 pm-3:49 pm

1 stop21h 21m

Great Falls

Tue 9/23

4:29 pm-4:59 pm

2 stops23h 30m

$426

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Thu 10/2

11:22 am-5:27 pm

1 stop7h 05m

Great Falls

Sun 10/5

5:40 am-11:51 am

1 stop5h 11m

$444

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Thu 10/23

7:10 pm-5:35 pm

1 stop23h 25m

Great Falls

Sun 10/26

6:50 pm-11:52 pm

1 stop28h 02m

$475

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Thu 10/2

7:00 am-5:27 pm

2 stops11h 27m

Great Falls

Sun 10/5

5:40 am-11:51 am

1 stop5h 11m

$482

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Thu 10/23

7:10 pm-5:35 pm

1 stop23h 25m

Great Falls

Sun 10/26

6:50 pm-4:50 pm

2 stops21h 00m

$484

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Wed 9/17

5:59 pm-3:49 pm

2 stops22h 50m

Great Falls

Tue 9/23

4:29 pm-4:59 pm

2 stops23h 30m

$508

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Wed 10/29

5:51 pm-6:10 pm

2 stops25h 19m

Great Falls

Mon 11/3

6:50 pm-4:50 pm

2 stops21h 00m

$539

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Thu 10/23

5:45 pm-5:35 pm

2 stops24h 50m

Great Falls

Sun 10/26

6:50 pm-4:50 pm

2 stops21h 00m

$547

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Direct flights	None

There are no direct flights from Houston to Great Falls. There are no popular flight routes from Houston to Great Falls.

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How far is Houston to Great Falls by plane?
Great Falls is 1490.0 mi away from Houston. 5h 48m 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?
As of August 2025, there are 2 operators available to choose from 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
Delta	PriceFrom $284	Free Cancellation	Rating 7.9 7,981 reviews		Search Delta flights
United Airlines	PriceFrom $528	Free Cancellation	Rating 7.4 8,940 reviews		Search United Airlines flights

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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.