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

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

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?

The number of operators available for flights from Phoenix to Great Falls Airport is 1 as of December 2025.

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.

$137 Cheap Flights from Phoenix to Great Falls in 2025/26

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Cheap round-trip flights

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7:00 am - 5:48 pm

PHX

GTF

10h 48m1 stop

4:57 pm - 11:59 pm

GTF

PHX

7h 02m1 stop

$272Alaska Airlines

Sat, Feb 14 - Tue, Feb 17

6:00 am - 5:48 pm

PHX

GTF

11h 48m1 stop

4:57 pm - 11:59 pm

GTF

PHX

7h 02m1 stop

$292Alaska Airlines

Sat, Feb 14 - Tue, Feb 17

7:00 am - 5:19 pm

PHX

GTF

10h 19m1 stop

5:59 pm - 11:59 pm

GTF

PHX

6h 00m1 stop

$315Alaska Airlines

Wed, Jan 7 - Sun, Jan 11

7:00 am - 5:48 pm

PHX

GTF

10h 48m1 stop

4:57 pm - 2:35 pm

GTF

PHX

21h 38m2 stops

$320Alaska Airlines

Sat, Feb 14 - Tue, Feb 17

7:00 am - 5:48 pm

PHX

GTF

10h 48m1 stop

4:57 pm - 2:35 pm

GTF

PHX

21h 38m2 stops

$335Alaska Airlines

Sat, Feb 14 - Tue, Feb 17

7:00 am - 5:19 pm

PHX

GTF

10h 19m1 stop

5:59 pm - 1:09 pm

GTF

PHX

19h 10m2 stops

$350Alaska Airlines

Wed, Jan 7 - Sun, Jan 11

7:40 am - 5:48 pm

PHX

GTF

10h 08m2 stops

4:57 pm - 2:35 pm

GTF

PHX

21h 38m2 stops

$375Alaska Airlines

Sat, Feb 14 - Tue, Feb 17

8:24 am - 5:19 pm

PHX

GTF

8h 55m2 stops

5:59 pm - 1:09 pm

GTF

PHX

19h 10m2 stops

$405Alaska Airlines

Wed, Jan 7 - Sun, Jan 11

7:40 am - 5:48 pm

PHX

GTF

10h 08m2 stops

4:57 pm - 2:35 pm

GTF

PHX

21h 38m2 stops

$411Alaska Airlines

Sat, Feb 14 - Tue, Feb 17

10:05 am - 5:39 pm

PHX

GTF

6h 34m1 stop

1:10 pm - 6:26 pm

GTF

PHX

6h 16m1 stop

$466Delta

Thu, May 28 - Mon, Jun 1

Delta flights from Phoenix to Great Falls

Our best Delta deals on Phoenix to Great Falls flight tickets

Delta

May 28

PHX10:05 amPhoenix Sky Harbor Intl

6h 34m

1 stop

GTF5:39 pmGreat Falls

Jun 1

GTF1:10 pmGreat Falls

6h 16m

1 stop

PHX6:26 pmPhoenix Sky Harbor Intl

$466

Find similar

Delta

May 28

PHX6:00 amPhoenix Sky Harbor Intl

5h 23m

1 stop

GTF12:23 pmGreat Falls

Jun 1

GTF1:10 pmGreat Falls

9h 42m

2 stops

PHX9:52 pmPhoenix Sky Harbor Intl

$472

Find similar

Delta

May 28

PHX10:05 amPhoenix Sky Harbor Intl

6h 34m

1 stop

GTF5:39 pmGreat Falls

Jun 1

GTF1:10 pmGreat Falls

9h 42m

2 stops

PHX9:52 pmPhoenix Sky Harbor Intl

$502

Find similar

Alaska Airlines flights from Phoenix to Great Falls

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

Alaska Airlines

Feb 14

PHX7:00 amPhoenix Sky Harbor Intl

10h 48m

1 stop

GTF5:48 pmGreat Falls

Feb 17

GTF4:57 pmGreat Falls

7h 02m

1 stop

PHX11:59 pmPhoenix Sky Harbor Intl

$272

Find similar

Alaska Airlines

Feb 14

PHX6:00 amPhoenix Sky Harbor Intl

11h 48m

1 stop

GTF5:48 pmGreat Falls

Feb 17

GTF4:57 pmGreat Falls

7h 02m

1 stop

PHX11:59 pmPhoenix Sky Harbor Intl

$292

Find similar

Alaska Airlines

Jan 7

PHX7:00 amPhoenix Sky Harbor Intl

10h 19m

1 stop

GTF5:19 pmGreat Falls

Jan 11

GTF5:59 pmGreat Falls

6h 00m

1 stop

PHX11:59 pmPhoenix Sky Harbor Intl

$315

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PhoenixGreat Falls

PHX - GTF

PHXGTF

Phoenix Sky Harbor Intl

Sat 2/14

7:00 am-5:48 pm

1 stop10h 48m

Great Falls

Tue 2/17

4:57 pm-11:59 pm

1 stop7h 02m

$272

PhoenixGreat Falls

PHX - GTF

PHXGTF

Phoenix Sky Harbor Intl

Sat 2/14

6:00 am-5:48 pm

1 stop11h 48m

Great Falls

Tue 2/17

4:57 pm-11:59 pm

1 stop7h 02m

$292

PhoenixGreat Falls

PHX - GTF

PHXGTF

Phoenix Sky Harbor Intl

Wed 1/7

7:00 am-5:19 pm

1 stop10h 19m

Great Falls

Sun 1/11

5:59 pm-11:59 pm

1 stop6h 00m

$315

PhoenixGreat Falls

PHX - GTF

PHXGTF

Phoenix Sky Harbor Intl

Sat 2/14

7:00 am-5:48 pm

1 stop10h 48m

Great Falls

Tue 2/17

4:57 pm-2:35 pm

2 stops21h 38m

$320

PhoenixGreat Falls

PHX - GTF

PHXGTF

Phoenix Sky Harbor Intl

Sat 2/14

7:00 am-5:48 pm

1 stop10h 48m

Great Falls

Tue 2/17

4:57 pm-2:35 pm

2 stops21h 38m

$335

PhoenixGreat Falls

PHX - GTF

PHXGTF

Phoenix Sky Harbor Intl

Wed 1/7

7:00 am-5:19 pm

1 stop10h 19m

Great Falls

Sun 1/11

5:59 pm-1:09 pm

2 stops19h 10m

$350

PhoenixGreat Falls

PHX - GTF

PHXGTF

Phoenix Sky Harbor Intl

Sat 2/14

7:40 am-5:48 pm

2 stops10h 08m

Great Falls

Tue 2/17

4:57 pm-2:35 pm

2 stops21h 38m

$375

PhoenixGreat Falls

PHX - GTF

PHXGTF

Phoenix Sky Harbor Intl

Wed 1/7

8:24 am-5:19 pm

2 stops8h 55m

Great Falls

Sun 1/11

5:59 pm-1:09 pm

2 stops19h 10m

$405

PhoenixGreat Falls

PHX - GTF

PHXGTF

Phoenix Sky Harbor Intl

Sat 2/14

7:40 am-5:48 pm

2 stops10h 08m

Great Falls

Tue 2/17

4:57 pm-2:35 pm

2 stops21h 38m

$411

PhoenixGreat Falls

PHX - GTF

PHXGTF

Phoenix Sky Harbor Intl

Thu 5/28

10:05 am-5:39 pm

1 stop6h 34m

Great Falls

Mon 6/1

1:10 pm-6:26 pm

1 stop6h 16m

$466

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first

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

Prices

Airlines

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 morning. momondo users have found flights departing from Phoenix to Great Falls in the morning for as low as $144. 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 $156 on average. Flights to Great Falls from Phoenix in the afternoon 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 is only 1 cabin class 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

Fastest flight time	6h 34m
Direct flights	None

The fastest flight from Phoenix to Great Falls takes 6h 34m

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 6h 34m.
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?
The number of operators available for flights from Phoenix to Great Falls Airport is 1 as of December 2025.
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
Allegiant Air	PriceFrom $107	Free Cancellation	Rating 7.2 699 reviews		Search Allegiant Air flights
Delta	PriceFrom $300	Free Cancellation	Rating 7.9 8,005 reviews		Search Delta flights

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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.