What airlines fly to Phoenix?

Allegiant Air, Delta and United Airlines are the top three most popular airlines that fly to Phoenix from Great Falls according to our data. Allegiant Air is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Phoenix. Keep in mind that there are 4 different airlines that fly to Phoenix on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Great Falls to Phoenix?

Alaska Airlines, Delta, and United Airlines are the most popular carriers operating from Great Falls to Phoenix

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

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

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

There are 2 operators available for flights from Great Falls Airport to Phoenix as of September 2026.

How old do you have to be to fly from Great Falls Airport to Phoenix?

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.

What documentation or ID do you need to fly to Phoenix?

The travel and health documents you'll need for your trip to Phoenix 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. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$206 Cheap Flights from Great Falls to Phoenix in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Great Falls to Phoenix

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:08 pm - 9:49 amGTF Great Falls-PHX Phoenix Sky Harbor Intl

17h 41m1 stop Seattle/Tacoma Intl

9:22 am - 3:28 pmPHX Phoenix Sky Harbor Intl-GTF Great Falls

6h 06m1 stop Seattle/Tacoma Intl

$352Alaska Airlines

Sat, Jan 9 - Tue, Jan 12

5:15 pm - 9:48 pmGTF Great Falls-PHX Phoenix Sky Harbor Intl

5h 33m1 stop Seattle/Tacoma Intl

11:35 am - 4:35 pmPHX Phoenix Sky Harbor Intl-GTF Great Falls

28h 00m1 stop Seattle/Tacoma Intl

$362Alaska Airlines

Wed, Oct 21 - Wed, Oct 28

2:37 pm - 8:49 pmGTF Great Falls-PHX Phoenix Sky Harbor Intl

7h 12m1 stop Denver Intl

7:30 am - 1:41 pmPHX Phoenix Sky Harbor Intl-GTF Great Falls

5h 11m1 stop Denver Intl

$410United Airlines

Mon, Oct 19 - Sat, Oct 24

2:37 pm - 8:49 pmGTF Great Falls-PHX Phoenix Sky Harbor Intl

7h 12m1 stop Denver Intl

3:30 pm - 9:22 pmPHX Phoenix Sky Harbor Intl-GTF Great Falls

4h 52m1 stop Denver Intl

$410United Airlines

Mon, Oct 19 - Tue, Oct 20

2:25 pm - 9:14 pmGTF Great Falls-PHX Phoenix Sky Harbor Intl

6h 49m1 stop Denver Intl

4:30 pm - 9:20 pmPHX Phoenix Sky Harbor Intl-GTF Great Falls

4h 50m1 stop Denver Intl

$412United Airlines

Mon, Jan 18 - Fri, Jan 22

4:08 pm - 10:58 pmGTF Great Falls-PHX Phoenix Sky Harbor Intl

6h 50m1 stop Seattle/Tacoma Intl

5:06 pm - 3:28 pmPHX Phoenix Sky Harbor Intl-GTF Great Falls

22h 22m2 stops San Diego Seattle/Tacoma Intl

$416Alaska Airlines

Sat, Jan 9 - Tue, Jan 12

5:15 pm - 9:26 amGTF Great Falls-PHX Phoenix Sky Harbor Intl

17h 11m2 stops Seattle/Tacoma Intl San Diego

12:45 pm - 4:35 pmPHX Phoenix Sky Harbor Intl-GTF Great Falls

26h 50m1 stop Seattle/Tacoma Intl

$426Alaska Airlines

Wed, Oct 21 - Wed, Oct 28

1:18 pm - 11:18 pmGTF Great Falls-PHX Phoenix Sky Harbor Intl

11h 00m2 stops Salt Lake City Seattle/Tacoma Intl

6:40 am - 5:47 pmPHX Phoenix Sky Harbor Intl-GTF Great Falls

10h 07m2 stops Seattle/Tacoma Intl Salt Lake City

$453Delta

Sat, Oct 17 - Wed, Oct 21

1:18 pm - 11:18 pmGTF Great Falls-PHX Phoenix Sky Harbor Intl

11h 00m2 stops Salt Lake City Seattle/Tacoma Intl

7:35 pm - 12:38 pmPHX Phoenix Sky Harbor Intl-GTF Great Falls

16h 03m2 stops Seattle/Tacoma Intl Salt Lake City

$453Delta

Sat, Oct 17 - Tue, Oct 20

1:18 pm - 9:15 pmGTF Great Falls-PHX Phoenix Sky Harbor Intl

8h 57m2 stops Salt Lake City Seattle/Tacoma Intl

6:40 am - 5:47 pmPHX Phoenix Sky Harbor Intl-GTF Great Falls

10h 07m2 stops Seattle/Tacoma Intl Salt Lake City

$453Delta

Sat, Oct 17 - Sat, Oct 24

Cheap last minute flights

Enter your travel dates to find the best prices.

6:15 am - 2:57 pmGTF Great Falls-PHX Phoenix Sky Harbor Intl

9h 42m1 stop Denver Intl

6:00 am - 1:29 pmPHX Phoenix Sky Harbor Intl-GTF Great Falls

6h 29m1 stop Denver Intl

$886United Airlines

Fri, Sep 11 - Mon, Sep 14

2:25 pm - 5:09 pmGTF Great Falls-PHX Phoenix Sky Harbor Intl

27h 44m1 stop Denver Intl

6:00 am - 1:29 pmPHX Phoenix Sky Harbor Intl-GTF Great Falls

6h 29m1 stop Denver Intl

$886United Airlines

Fri, Sep 11 - Mon, Sep 14

6:15 am - 8:41 amGTF Great Falls-PHX Phoenix Sky Harbor Intl

27h 26m1 stop Denver Intl

1:06 pm - 9:12 pmPHX Phoenix Sky Harbor Intl-GTF Great Falls

31h 06m2 stops San Francisco Denver Intl

$894United Airlines

Fri, Sep 11 - Mon, Sep 14

6:15 am - 5:08 pmGTF Great Falls-PHX Phoenix Sky Harbor Intl

11h 53m1 stop Denver Intl

6:03 am - 9:12 pmPHX Phoenix Sky Harbor Intl-GTF Great Falls

14h 09m2 stops Los Angeles Los Angeles Denver Intl

$929United Airlines

Fri, Sep 11 - Mon, Sep 14

2:25 pm - 12:28 pmGTF Great Falls-PHX Phoenix Sky Harbor Intl

23h 03m1 stop Denver Intl

1:34 pm - 9:12 pmPHX Phoenix Sky Harbor Intl-GTF Great Falls

6h 38m1 stop Denver Intl

$942United Airlines

Fri, Sep 11 - Mon, Sep 14

6:15 am - 12:28 pmGTF Great Falls-PHX Phoenix Sky Harbor Intl

7h 13m1 stop Denver Intl

1:34 pm - 9:12 pmPHX Phoenix Sky Harbor Intl-GTF Great Falls

6h 38m1 stop Denver Intl

$954United Airlines

Wed, Sep 9 - Mon, Sep 14

2:25 pm - 12:25 pmGTF Great Falls-PHX Phoenix Sky Harbor Intl

23h 00m2 stops Denver Intl San Francisco

1:34 pm - 9:12 pmPHX Phoenix Sky Harbor Intl-GTF Great Falls

6h 38m1 stop Denver Intl

$958United Airlines

Fri, Sep 11 - Mon, Sep 14

5:40 am - 11:28 amGTF Great Falls-PHX Phoenix Sky Harbor Intl

6h 48m2 stops Salt Lake City Los Angeles Los Angeles

6:00 am - 5:41 pmPHX Phoenix Sky Harbor Intl-GTF Great Falls

10h 41m2 stops Los Angeles Los Angeles Salt Lake City

$965Delta

Fri, Sep 11 - Mon, Sep 14

6:15 am - 8:41 amGTF Great Falls-PHX Phoenix Sky Harbor Intl

27h 26m1 stop Denver Intl

1:34 pm - 9:12 pmPHX Phoenix Sky Harbor Intl-GTF Great Falls

6h 38m1 stop Denver Intl

$972United Airlines

Fri, Sep 11 - Mon, Sep 14

5:40 am - 11:28 amGTF Great Falls-PHX Phoenix Sky Harbor Intl

6h 48m2 stops Salt Lake City Los Angeles Los Angeles

12:08 pm - 10:37 pmPHX Phoenix Sky Harbor Intl-GTF Great Falls

9h 29m2 stops Los Angeles Los Angeles Salt Lake City

$1,070Delta

Fri, Sep 11 - Mon, Sep 14

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Alaska Airlines flights from Great Falls to Phoenix

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

Alaska Airlines

Jan 9

GTF4:08 pmGreat Falls

17h 41m

1 stop

PHX9:49 amPhoenix Sky Harbor Intl

Jan 12

PHX9:22 amPhoenix Sky Harbor Intl

6h 06m

1 stop

GTF3:28 pmGreat Falls

$352

Alaska Airlines

Oct 21

GTF5:15 pmGreat Falls

5h 33m

1 stop

PHX9:48 pmPhoenix Sky Harbor Intl

Oct 28

PHX11:35 amPhoenix Sky Harbor Intl

28h 00m

1 stop

GTF4:35 pmGreat Falls

$362

Alaska Airlines

Jan 9

GTF4:08 pmGreat Falls

6h 50m

1 stop

PHX10:58 pmPhoenix Sky Harbor Intl

Jan 12

PHX5:06 pmPhoenix Sky Harbor Intl

22h 22m

2 stops

GTF3:28 pmGreat Falls

$416

Delta flights from Great Falls to Phoenix

Our best Delta deals on Great Falls to Phoenix flight tickets

Delta

Oct 17

GTF1:18 pmGreat Falls

11h 00m

2 stops

PHX11:18 pmPhoenix Sky Harbor Intl

Oct 21

PHX6:40 amPhoenix Sky Harbor Intl

10h 07m

2 stops

GTF5:47 pmGreat Falls

$453

Delta

Oct 17

GTF1:18 pmGreat Falls

11h 00m

2 stops

PHX11:18 pmPhoenix Sky Harbor Intl

Oct 23

PHX7:35 pmPhoenix Sky Harbor Intl

16h 03m

2 stops

GTF12:38 pmGreat Falls

$463

Delta

Oct 20

GTF5:40 amGreat Falls

13h 55m

2 stops

PHX6:35 pmPhoenix Sky Harbor Intl

Oct 26

PHX5:45 amPhoenix Sky Harbor Intl

5h 53m

1 stop

GTF12:38 pmGreat Falls

$472

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Great FallsPhoenix

GTF Great Falls - PHX Phoenix Sky Harbor Intl

GTFPHX

Great Falls

Sat 1/9

4:08 pm-9:49 am

1 stop17h 41m

Phoenix Sky Harbor Intl

Tue 1/12

9:22 am-3:28 pm

1 stop6h 06m

$352

Great FallsPhoenix

GTF Great Falls - PHX Phoenix Sky Harbor Intl

GTFPHX

Great Falls

Wed 10/21

5:15 pm-9:48 pm

1 stop5h 33m

Phoenix Sky Harbor Intl

Wed 10/28

11:35 am-4:35 pm

1 stop28h 00m

$362

Great FallsPhoenix

GTF Great Falls - PHX Phoenix Sky Harbor Intl

GTFPHX

Great Falls

Mon 10/19

2:37 pm-8:49 pm

1 stop7h 12m

Phoenix Sky Harbor Intl

Sat 10/24

7:30 am-1:41 pm

1 stop5h 11m

$410

Great FallsPhoenix

GTF Great Falls - PHX Phoenix Sky Harbor Intl

GTFPHX

Great Falls

Mon 10/19

2:37 pm-8:49 pm

1 stop7h 12m

Phoenix Sky Harbor Intl

Tue 10/20

3:30 pm-9:22 pm

1 stop4h 52m

$410

Quickest round-trip

Great FallsPhoenix

GTF Great Falls - PHX Phoenix Sky Harbor Intl

GTFPHX

Great Falls

Mon 1/18

2:25 pm-9:14 pm

1 stop6h 49m

Phoenix Sky Harbor Intl

Fri 1/22

4:30 pm-9:20 pm

1 stop4h 50m

$412

Great FallsPhoenix

GTF Great Falls - PHX Phoenix Sky Harbor Intl

GTFPHX

Great Falls

Sat 1/9

4:08 pm-10:58 pm

1 stop6h 50m

Phoenix Sky Harbor Intl

Tue 1/12

5:06 pm-3:28 pm

2 stops22h 22m

$416

Great FallsPhoenix

GTF Great Falls - PHX Phoenix Sky Harbor Intl

GTFPHX

Great Falls

Wed 10/21

5:15 pm-9:26 am

2 stops17h 11m

Phoenix Sky Harbor Intl

Wed 10/28

12:45 pm-4:35 pm

1 stop26h 50m

$426

Great FallsPhoenix

GTF Great Falls - PHX Phoenix Sky Harbor Intl

GTFPHX

Great Falls

Sat 10/17

1:18 pm-11:18 pm

2 stops11h 00m

Phoenix Sky Harbor Intl

Wed 10/21

6:40 am-5:47 pm

2 stops10h 07m

$453

Great FallsPhoenix

GTF Great Falls - PHX Phoenix Sky Harbor Intl

GTFPHX

Great Falls

Sat 10/17

1:18 pm-11:18 pm

2 stops11h 00m

Phoenix Sky Harbor Intl

Tue 10/20

7:35 pm-12:38 pm

2 stops16h 03m

$453

Great FallsPhoenix

GTF Great Falls - PHX Phoenix Sky Harbor Intl

GTFPHX

Great Falls

Sat 10/17

1:18 pm-9:15 pm

2 stops8h 57m

Phoenix Sky Harbor Intl

Sat 10/24

6:40 am-5:47 pm

2 stops10h 07m

$453

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Great Falls to Phoenix

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

Prices

Airlines

What is the cheapest month to fly to Phoenix?

If you are unable to visit Phoenix during the month of July, then departing from Great Falls during the month October is also very affordable. Most momondo users find prices during this month for around $157.

What is the cheapest time of day to depart on your flight to Phoenix?

The cheapest time of day to fly to Phoenix is in the evening when flights can be purchased for as low as $119. In the morning is when there is more demand to fly to Phoenix, so prices are often more expensive at around $151 per ticket.

What is the cheapest Great Falls to Phoenix flight route?

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

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

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

Cheap Great Falls to Phoenix flight deals and tips

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

Best Price Found	$206
Fastest flight time	3h 58m
Direct flights	None

The best one-way flight to Phoenix from Great Falls in the past 72 hours is $206. The best round-trip flight deal from Great Falls to Phoenix found on momondo in the last 72 hours is $352.

The fastest flight from Great Falls to Phoenix takes 3h 58m

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

Search flight deals

Frequently asked questions about flying from Great Falls to Phoenix

How far is Great Falls to Phoenix by plane?
A flight from Great Falls to Phoenix will travel around 971.0 mi. Flights usually cover this in 3h 58m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Great Falls Airport to Phoenix?
Prices for flights from Great Falls Airport to Phoenix refresh daily.
How many operators does momondo search for flights from Great Falls Airport to Phoenix?
There are 2 operators available for flights from Great Falls Airport to Phoenix as of September 2026.
How old do you have to be to fly from Great Falls Airport to Phoenix?
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.
What documentation or ID do you need to fly to Phoenix?
The travel and health documents you'll need for your trip to Phoenix 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. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Great Falls to Phoenix

Compare and see reviews for airlines that fly from Great Falls to Phoenix with momondo

Airline	Rating	Free Cancellation	Price
Allegiant Air	PriceFrom $88	Free Cancellation	Rating 7.3 676 reviews	Search Allegiant Air flights
United Airlines	PriceFrom $204	Free Cancellation	Rating 7.4 10,173 reviews	Search United Airlines flights
Delta	PriceFrom $310	Free Cancellation	Rating 7.8 8,557 reviews	Search Delta flights

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. All flights to Phoenix from Great Falls on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Great Falls to Phoenix.

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

Price alerts on flights to Phoenix from Great Falls are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Phoenix trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Tue 10/6

Tue 10/13

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Nearby airports

Airlines

Other United States destinations

Other flights from Great Falls

Complete your trip

Feeling lucky

Fly into one of these airports located in Phoenix

Phoenix-Mesa Gateway Airport

Cheap flights from Great Falls to Phoenix from $206

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 10/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Great Falls to Phoenix

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Alaska Airlines flights from Great Falls to Phoenix

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

Delta flights from Great Falls to Phoenix

Our best Delta deals on Great Falls to Phoenix flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Great Falls to Phoenix that are best for you.

See travel insights to Phoenix from

How to get the cheapest flight ticket from Great Falls to Phoenix

What is the cheapest month to fly to Phoenix?

What is the cheapest time of day to depart on your flight to Phoenix?

What is the cheapest Great Falls to Phoenix flight route?

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

What is the cheapest airline that flies from Great Falls to Phoenix?

What airlines fly to Phoenix?

Cheap Great Falls to Phoenix flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Great Falls to Phoenix

Best airlines flying from Great Falls to Phoenix

Compare and see reviews for airlines that fly from Great Falls to Phoenix with momondo

Why use momondo?

An easier way to manage your Phoenix trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Fly into one of these airports located in Phoenix

Airports listed have a maximum distance of 25.4 mi from Phoenix

Fly your favorite airline to Phoenix

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Great Falls

According to popular flight searches on momondo this year

Complete your trip to Phoenix

Explore popular destinations other users love

According to popular flight searches on momondo this year