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Cheap flights from Phoenix to Great Falls from $126

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Phoenix to Great Falls departing on 9/25. 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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Find the cheapest flights from Phoenix to Great Falls

Cheap round-trip flights

United Airlines Logo
6:05 am - 1:37 pmPHX-GTF
6h 32m1 stop
United Airlines Logo
2:35 pm - 8:17 pmGTF-PHX
6h 42m1 stop
$318United Airlines
Find Deal
Tue, Sep 16 - Thu, Sep 18
Delta Logo
9:08 am - 5:27 pmPHX-GTF
7h 19m2 stops
Delta Logo
6:11 pm - 11:36 pmGTF-PHX
6h 25m1 stop
$328Delta
Find Deal
Tue, Sep 16 - Thu, Sep 18
Delta Logo
6:00 am - 12:28 pmPHX-GTF
5h 28m1 stop
Delta Logo
6:09 pm - 10:38 pmGTF-PHX
5h 29m1 stop
$352Delta
Find Deal
Tue, Oct 21 - Thu, Oct 30
Delta Logo
6:10 am - 12:25 pmPHX-GTF
5h 15m1 stop
Delta Logo
6:11 pm - 11:36 pmGTF-PHX
6h 25m1 stop
$356Delta
Find Deal
Sun, Sep 21 - Sun, Sep 28
Alaska Airlines Logo
6:00 am - 6:55 pmPHX-GTF
12h 55m1 stop
Alaska Airlines Logo
7:35 pm - 9:15 pmGTF-PHX
25h 40m2 stops
$409Alaska Airlines
Find Deal
Tue, Dec 9 - Fri, Dec 12
Alaska Airlines Logo
6:00 am - 6:55 pmPHX-GTF
12h 55m1 stop
Alaska Airlines Logo
7:35 pm - 9:25 pmGTF-PHX
25h 50m1 stop
$410Alaska Airlines
Find Deal
Tue, Dec 9 - Fri, Dec 12
Alaska Airlines Logo
4:16 pm - 6:55 pmPHX-GTF
26h 39m2 stops
Alaska Airlines Logo
7:35 pm - 9:15 pmGTF-PHX
25h 40m2 stops
$423Alaska Airlines
Find Deal
Tue, Dec 9 - Fri, Dec 12
Delta Logo
6:10 am - 12:25 pmPHX-GTF
5h 15m1 stop
Delta Logo
6:11 pm - 11:36 pmGTF-PHX
6h 25m1 stop
$424Delta
Find Deal
Sun, Sep 14 - Sun, Sep 21
Alaska Airlines Logo
11:42 am - 6:55 pmPHX-GTF
31h 13m2 stops
Alaska Airlines Logo
7:35 pm - 7:53 pmGTF-PHX
24h 18m1 stop
$430Alaska Airlines
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Mon, Dec 8 - Fri, Dec 12
Logo
8:04 am - 3:49 pmPHX-GTF
6h 45m1 stop
Logo
4:29 pm - 11:31 pmGTF-PHX
8h 02m1 stop
$583
Find Deal
Sun, Sep 7 - Thu, Sep 11

United Airlines flights from Phoenix to Great Falls

Our best United Airlines deals on Phoenix to Great Falls flight tickets
United Airlines
Sep 16
PHX6:05 amPhoenix Sky Harbor Intl
6h 32m
1 stop
GTF1:37 pmGreat Falls
Sep 18
GTF2:35 pmGreat Falls
6h 42m
1 stop
PHX8:17 pmPhoenix Sky Harbor Intl
$318
Find similar
United Airlines
Sep 16
PHX4:10 pmPhoenix Sky Harbor Intl
20h 27m
2 stops
GTF1:37 pmGreat Falls
Sep 18
GTF2:35 pmGreat Falls
6h 42m
1 stop
PHX8:17 pmPhoenix Sky Harbor Intl
$493
Find similar
United Airlines
Sep 14
PHX6:47 pmPhoenix Sky Harbor Intl
17h 50m
2 stops
GTF1:37 pmGreat Falls
Sep 21
GTF7:00 amGreat Falls
6h 28m
1 stop
PHX12:28 pmPhoenix Sky Harbor Intl
$547
Find similar

Delta flights from Phoenix to Great Falls

Our best Delta deals on Phoenix to Great Falls flight tickets
Delta
Sep 16
PHX9:08 amPhoenix Sky Harbor Intl
7h 19m
2 stops
GTF5:27 pmGreat Falls
Sep 18
GTF6:11 pmGreat Falls
6h 25m
1 stop
PHX11:36 pmPhoenix Sky Harbor Intl
$328
Find similar
Delta
Oct 21
PHX6:00 amPhoenix Sky Harbor Intl
5h 28m
1 stop
GTF12:28 pmGreat Falls
Oct 30
GTF6:09 pmGreat Falls
5h 29m
1 stop
PHX10:38 pmPhoenix Sky Harbor Intl
$352
Find similar
Delta
Sep 21
PHX6:10 amPhoenix Sky Harbor Intl
5h 15m
1 stop
GTF12:25 pmGreat Falls
Sep 28
GTF6:11 pmGreat Falls
6h 25m
1 stop
PHX11:36 pmPhoenix Sky Harbor Intl
$356
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Phoenix 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 August 25, 2025.
Use the filters below to find and compare flights from Phoenix to Great Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhoenixGreat Falls

PHX - GTF

PHXGTF

Phoenix Sky Harbor Intl

Tue 9/16

6:05 am-1:37 pm

1 stop6h 32m

Great Falls

Thu 9/18

2:35 pm-8:17 pm

1 stop6h 42m

$318

PhoenixGreat Falls

PHX - GTF

PHXGTF

Phoenix Sky Harbor Intl

Tue 9/16

9:08 am-5:27 pm

2 stops7h 19m

Great Falls

Thu 9/18

6:11 pm-11:36 pm

1 stop6h 25m

$328

PhoenixGreat Falls

PHX - GTF

PHXGTF

Phoenix Sky Harbor Intl

Tue 10/21

6:00 am-12:28 pm

1 stop5h 28m

Great Falls

Thu 10/30

6:09 pm-10:38 pm

1 stop5h 29m

$352

PhoenixGreat Falls

PHX - GTF

PHXGTF

Phoenix Sky Harbor Intl

Sun 9/21

6:10 am-12:25 pm

1 stop5h 15m

Great Falls

Sun 9/28

6:11 pm-11:36 pm

1 stop6h 25m

$356

PhoenixGreat Falls

PHX - GTF

PHXGTF

Phoenix Sky Harbor Intl

Tue 12/9

6:00 am-6:55 pm

1 stop12h 55m

Great Falls

Fri 12/12

7:35 pm-9:15 pm

2 stops25h 40m

$409

PhoenixGreat Falls

PHX - GTF

PHXGTF

Phoenix Sky Harbor Intl

Tue 12/9

6:00 am-6:55 pm

1 stop12h 55m

Great Falls

Fri 12/12

7:35 pm-9:25 pm

1 stop25h 50m

$410

PhoenixGreat Falls

PHX - GTF

PHXGTF

Phoenix Sky Harbor Intl

Tue 12/9

4:16 pm-6:55 pm

2 stops26h 39m

Great Falls

Fri 12/12

7:35 pm-9:15 pm

2 stops25h 40m

$423

PhoenixGreat Falls

PHX - GTF

PHXGTF

Phoenix Sky Harbor Intl

Sun 9/14

6:10 am-12:25 pm

1 stop5h 15m

Great Falls

Sun 9/21

6:11 pm-11:36 pm

1 stop6h 25m

$424

PhoenixGreat Falls

PHX - GTF

PHXGTF

Phoenix Sky Harbor Intl

Mon 12/8

11:42 am-6:55 pm

2 stops31h 13m

Great Falls

Fri 12/12

7:35 pm-7:53 pm

1 stop24h 18m

$430

PhoenixGreat Falls

PHX - GTF

PHXGTF

Phoenix Sky Harbor Intl

Sun 9/7

8:04 am-3:49 pm

1 stop6h 45m

Great Falls

Thu 9/11

4:29 pm-11:31 pm

1 stop8h 02m

$583

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Great Falls from

How to get the cheapest flight ticket from Phoenix 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 month to fly to Great Falls?

The month of May is another great option to travel to Great Falls, with average flight prices from Phoenix averaging around $346.

What is the cheapest day to depart on your flight to Great Falls?

The cheapest day to depart on your flight to Great Falls is on a Sunday when prices can be found for as low as $406. This is often the case because there is less demand to fly during this day of the week. On the other hand, Wednesday is the most expensive day to depart from Phoenix because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $523.

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 in the afternoon. momondo users have found flights departing from Phoenix to Great Falls in the afternoon for as low as $132. 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 morning when prices are $467 on average. Flights to Great Falls from Phoenix in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Phoenix to Great Falls flight route?

Fly from Phoenix-Mesa Gateway to Great Falls for the best Phoenix - Great Falls flight prices

What cabin class options are available on Phoenix to Great Falls flights?

There are 1 cabin classes available to choose from on Phoenix to Great Falls flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Phoenix to Great Falls flight deals and tips

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

Direct flights

None
There are no direct flights from Phoenix to Great Falls. There are no popular flight routes from Phoenix to Great Falls.
Search flight deals

  • How far is Phoenix to Great Falls by plane?

    The straight-line distance from Phoenix to Great Falls is 971.0 mi. By plane, this route typically takes 5h 15m.

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

    Prices for flights from Phoenix to Great Falls Airport refresh daily.

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

  • How old do you have to be to fly from Phoenix 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 Phoenix 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.

Best airlines flying from Phoenix to Great Falls

Compare and see reviews for airlines that fly from Phoenix to Great Falls with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $300Free CancellationRating
7.9
7,981 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
Shelby

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Phoenix to Great Falls for you.

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

Flights from Phoenix 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 Phoenix to Great Falls?

Once you have performed a search for Phoenix to Great Falls flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Phoenix 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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