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Cheap flights from Great Falls to Phoenix from $115

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Great Falls to Phoenix departing on 5/4. 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 Great Falls to Phoenix

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:30 pm - 8:19 pm
GTF
-
PHX
6h 49m
1 stop
United Airlines Logo
3:30 pm - 9:17 pm
PHX
-
GTF
4h 47m
1 stop
$336United Airlines
Tue, Apr 7 - Thu, Apr 9
Alaska Airlines Logo
6:15 pm - 11:59 pm
GTF
-
PHX
6h 44m
1 stop
Alaska Airlines Logo
5:00 am - 5:35 pm
PHX
-
GTF
11h 35m
1 stop
$339Alaska Airlines
Wed, Apr 29 - Sun, May 3
Alaska Airlines Logo
6:15 pm - 11:59 pm
GTF
-
PHX
6h 44m
1 stop
Alaska Airlines Logo
10:58 am - 5:35 pm
PHX
-
GTF
5h 37m
1 stop
$358Alaska Airlines
Sat, Apr 25 - Sat, May 2
Alaska Airlines Logo
6:15 pm - 11:59 pm
GTF
-
PHX
6h 44m
1 stop
Alaska Airlines Logo
10:58 am - 5:35 pm
PHX
-
GTF
5h 37m
1 stop
$359Alaska Airlines
Fri, Apr 24 - Sat, May 2
Alaska Airlines Logo
6:15 pm - 11:59 pm
GTF
-
PHX
6h 44m
1 stop
Alaska Airlines Logo
5:00 am - 5:35 pm
PHX
-
GTF
11h 35m
1 stop
$371Alaska Airlines
Wed, Apr 29 - Sun, May 3
Alaska Airlines Logo
6:15 pm - 11:59 pm
GTF
-
PHX
6h 44m
1 stop
Alaska Airlines Logo
6:00 am - 5:35 pm
PHX
-
GTF
10h 35m
1 stop
$372Alaska Airlines
Sat, May 2 - Wed, May 6
Alaska Airlines Logo
6:15 pm - 11:59 pm
GTF
-
PHX
6h 44m
1 stop
Alaska Airlines Logo
7:59 pm - 5:35 pm
PHX
-
GTF
20h 36m
1 stop
$379Alaska Airlines
Sat, Apr 25 - Fri, May 1
Alaska Airlines Logo
6:15 pm - 11:59 pm
GTF
-
PHX
6h 44m
1 stop
Alaska Airlines Logo
2:16 pm - 5:35 pm
PHX
-
GTF
26h 19m
1 stop
$380Alaska Airlines
Fri, Apr 24 - Fri, May 1
United Airlines Logo
2:30 pm - 6:45 pm
GTF
-
PHX
5h 15m
1 stop
United Airlines Logo
3:30 pm - 9:17 pm
PHX
-
GTF
4h 47m
1 stop
$386United Airlines
Sun, Apr 19 - Thu, Apr 23
Delta Logo
1:09 pm - 4:03 pm
GTF
-
PHX
3h 54m
1 stop
Delta Logo
6:40 am - 10:29 pm
PHX
-
GTF
14h 49m
2 stops
$389Delta
Wed, Apr 15 - Tue, Apr 21

Alaska Airlines flights from Great Falls to Phoenix Sky Harbor Intl Airport

Our best Alaska Airlines deals on Great Falls to Phoenix Sky Harbor Intl Airport flight tickets
Alaska Airlines
Apr 29
GTF6:15 pmGreat Falls
6h 44m
1 stop
PHX11:59 pmPhoenix Sky Harbor Intl
May 3
PHX5:00 amPhoenix Sky Harbor Intl
11h 35m
1 stop
GTF5:35 pmGreat Falls
$339
Alaska Airlines
Apr 25
GTF6:15 pmGreat Falls
6h 44m
1 stop
PHX11:59 pmPhoenix Sky Harbor Intl
May 2
PHX10:58 amPhoenix Sky Harbor Intl
5h 37m
1 stop
GTF5:35 pmGreat Falls
$358
Alaska Airlines
Apr 24
GTF6:15 pmGreat Falls
6h 44m
1 stop
PHX11:59 pmPhoenix Sky Harbor Intl
May 2
PHX10:58 amPhoenix Sky Harbor Intl
5h 37m
1 stop
GTF5:35 pmGreat Falls
$359

United Airlines flights from Great Falls to Phoenix Sky Harbor Intl Airport

Our best United Airlines deals on Great Falls to Phoenix Sky Harbor Intl Airport flight tickets
United Airlines
Apr 19
GTF2:30 pmGreat Falls
5h 15m
1 stop
PHX6:45 pmPhoenix Sky Harbor Intl
Apr 23
PHX3:30 pmPhoenix Sky Harbor Intl
4h 47m
1 stop
GTF9:17 pmGreat Falls
$386
United Airlines
Apr 22
GTF6:15 amGreat Falls
5h 33m
1 stop
PHX10:48 amPhoenix Sky Harbor Intl
Apr 27
PHX3:30 pmPhoenix Sky Harbor Intl
4h 47m
1 stop
GTF9:17 pmGreat Falls
$413
United Airlines
Apr 22
GTF2:30 pmGreat Falls
6h 49m
1 stop
PHX8:19 pmPhoenix Sky Harbor Intl
Apr 27
PHX3:30 pmPhoenix Sky Harbor Intl
4h 47m
1 stop
GTF9:17 pmGreat Falls
$416

momondo Fare Finder

 
Customize your flight search to find flights from Great Falls to Phoenix Sky Harbor Intl Airport 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 March 22, 2026.
Use the filters below to find and compare flights from Great Falls to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Tue 4/7

2:30 pm-8:19 pm

1 stop6h 49m

Phoenix Sky Harbor Intl

Thu 4/9

3:30 pm-9:17 pm

1 stop4h 47m

$336

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Wed 4/29

6:15 pm-11:59 pm

1 stop6h 44m

Phoenix Sky Harbor Intl

Sun 5/3

5:00 am-5:35 pm

1 stop11h 35m

$339

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Sat 4/25

6:15 pm-11:59 pm

1 stop6h 44m

Phoenix Sky Harbor Intl

Sat 5/2

10:58 am-5:35 pm

1 stop5h 37m

$358

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Fri 4/24

6:15 pm-11:59 pm

1 stop6h 44m

Phoenix Sky Harbor Intl

Sat 5/2

10:58 am-5:35 pm

1 stop5h 37m

$359

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Wed 4/29

6:15 pm-11:59 pm

1 stop6h 44m

Phoenix Sky Harbor Intl

Sun 5/3

5:00 am-5:35 pm

1 stop11h 35m

$371

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Sat 5/2

6:15 pm-11:59 pm

1 stop6h 44m

Phoenix Sky Harbor Intl

Wed 5/6

6:00 am-5:35 pm

1 stop10h 35m

$372

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Sat 4/25

6:15 pm-11:59 pm

1 stop6h 44m

Phoenix Sky Harbor Intl

Fri 5/1

7:59 pm-5:35 pm

1 stop20h 36m

$379

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Fri 4/24

6:15 pm-11:59 pm

1 stop6h 44m

Phoenix Sky Harbor Intl

Fri 5/1

2:16 pm-5:35 pm

1 stop26h 19m

$380
Quickest round-trip

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Sun 4/19

2:30 pm-6:45 pm

1 stop5h 15m

Phoenix Sky Harbor Intl

Thu 4/23

3:30 pm-9:17 pm

1 stop4h 47m

$386

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Wed 4/15

1:09 pm-4:03 pm

1 stop3h 54m

Phoenix Sky Harbor Intl

Tue 4/21

6:40 am-10:29 pm

2 stops14h 49m

$389

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Great Falls to Phoenix Sky Harbor Intl Airport

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 Great Falls and Phoenix Sky Harbor Intl Airport?

What is the cheapest month to fly to Phoenix Sky Harbor Intl Airport?

In general, September is the cheapest month to fly from Great Falls to Phoenix Sky Harbor Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $351. If you are unable to visit Phoenix Sky Harbor Intl Airport during the month of September, then departing from Great Falls during the month May is also very affordable. Most momondo users find prices during this month for around $369.

What is the cheapest time of day to depart on your flight to Phoenix Sky Harbor Intl Airport?

In the evening is the cheapest time of day to fly from Great Falls to Phoenix Sky Harbor Intl Airport when you can find flight prices for as low as $218. Flying to Phoenix Sky Harbor Intl Airport in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $277. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Great Falls to Phoenix Sky Harbor Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Great Falls to Phoenix Sky Harbor Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Great Falls to Phoenix Sky Harbor Intl Airport (GTF to PHX) flight deals and tips

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

Fastest flight time

4h 05m

Direct flights

None
The fastest flight from Great Falls to Phoenix Sky Harbor Intl Airport takes 4h 05m
There are no direct flights from Great Falls to Phoenix Sky Harbor Intl Airport. There are no popular flight routes from Great Falls to Phoenix Sky Harbor Intl Airport.
Search flight deals

  • How far is Great Falls to Phoenix Sky Harbor Intl by plane?

    Great Falls and Phoenix Sky Harbor Intl are 971.8 mi apart from one another. In terms of flight time, this usually takes a little over 4h 05m.

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

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

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

  • How old do you have to be to fly from Great Falls Airport to Phoenix Sky Harbor Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Great Falls Airport to Phoenix Sky Harbor Intl Airport.

  • What documentation or ID do you need to fly to Phoenix Sky Harbor Intl Airport?

    The travel and health documents you'll need for your trip to Phoenix Sky Harbor Intl 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 Phoenix Sky Harbor Intl 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 Great Falls to Phoenix Sky Harbor Intl Airport?

Best airlines flying from Great Falls to Phoenix Sky Harbor Intl Airport

Compare and see reviews for airlines that fly from Great Falls to Phoenix Sky Harbor Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $282Free CancellationRating
7.9
8,314 reviews
Search Delta flights
United AirlinesPriceFrom $285Free CancellationRating
7.4
9,455 reviews
Search United Airlines flights

Traveling to a place near Phoenix?

Book flights to Phoenix if you plan to visit one of these locations
Scottsdale
Mesa
Tempe
Chandler
Glendale
Gilbert
Casa Grande
Surprise
Goodyear
Peoria
Payson
Buckeye
Paradise Valley
Apache Junction
Avondale
Camp Verde
Wickenburg
Litchfield Park
Guadalupe
Fountain Hills

Why use momondo?

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

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 Great Falls to Phoenix for you.

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

Yes. momondo enables you to select and highlight flights to Phoenix from Great Falls with this policy.

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

Once you have performed a search for Great Falls to Phoenix 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 Great Falls to Phoenix right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Great Falls to Phoenix now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Phoenix and let you know when they change.

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