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$204+ Cheap flights from Phoenix to Great Falls (GTF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — GTF
Aug 24 — Aug 311
Mon 8/24
Mon 8/31
1 adult, Economy
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Cheap flight deals from Phoenix to Great Falls

Cheapest flights from Phoenix to Great Falls
Explore the most affordable flight options available from Phoenix to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2026.

This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/221:34 pm
PHX
-
GTF
1 stop6h 38m
United Airlines
Sat 8/292:25 pm
GTF
-
PHX
1 stop6h 59m
United Airlines
Deal found 7/22$408
This United Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/221:34 pm
PHX
-
GTF
1 stop6h 38m
United Airlines
Sun 8/236:15 am
GTF
-
PHX
1 stop5h 19m
United Airlines
Deal found 7/24$410
This Booking.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:13 pm
PHX
-
GTF
2 stops27h 26m
Alaska Airlines
Mon 9/145:19 pm
GTF
-
PHX
1 stop18h 09m
Alaska Airlines
Deal found 7/23$426
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:00 am
PHX
-
GTF
1 stop6h 29m
United Airlines
Sun 8/236:15 am
GTF
-
PHX
1 stop7h 13m
United Airlines
Deal found 7/21$452
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:02 am
PHX
-
GTF
2 stops10h 36m
Delta
Fri 9/45:40 am
GTF
-
PHX
1 stop4h 04m
Delta
Deal found 7/20$458
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/131:34 pm
PHX
-
GTF
1 stop6h 38m
United Airlines
Mon 8/242:25 pm
GTF
-
PHX
1 stop6h 59m
United Airlines
Deal found 7/22$462
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:02 am
PHX
-
GTF
2 stops10h 36m
Delta
Sun 8/236:18 pm
GTF
-
PHX
1 stop6h 54m
Delta
Deal found 7/23$468
This Delta deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:45 am
PHX
-
GTF
1 stop5h 53m
Delta
Sat 10/246:27 pm
GTF
-
PHX
1 stop5h 16m
Delta
Deal found 7/25$472
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:02 am
PHX
-
GTF
2 stops10h 36m
Delta
Mon 8/241:08 pm
GTF
-
PHX
2 stops6h 56m
Delta
Deal found 7/22$473

Find flight deals from Phoenix to Great Falls

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) to Great Falls (GTF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 25, 2026.

Round-trip from

$408
(United Airlines)

One-way from

$204
(United Airlines)

Popular in

January

Cheapest in

June

Average price

$668
From Phoenix to Great Falls
Search Deals
One-way flight from Phoenix to Great Falls
Search Deals
Highest demand for flights based on searches. 29% potential increase in price ($257 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated July 25, 2026.
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

Cheapest round-trip

PhoenixGreat Falls

PHX - GTF

PHXGTF

Phoenix Sky Harbor Intl

Sat 8/22

1:34 pm-9:12 pm

1 stop6h 38m

Great Falls

Sun 8/23

6:15 am-10:34 am

1 stop5h 19m

$410
Quickest round-trip

PhoenixGreat Falls

PHX - GTF

PHXGTF

Phoenix Sky Harbor Intl

Thu 8/13

5:10 pm-10:38 pm

1 stop4h 28m

Great Falls

Fri 9/4

5:40 am-8:44 am

1 stop4h 04m

$452

PhoenixGreat Falls

PHX - GTF

PHXGTF

Phoenix Sky Harbor Intl

Tue 8/18

1:34 pm-9:12 pm

1 stop6h 38m

Great Falls

Tue 8/25

2:25 pm-8:24 pm

1 stop6h 59m

$452

PhoenixGreat Falls

PHX - GTF

PHXGTF

Phoenix Sky Harbor Intl

Thu 8/20

6:00 am-1:29 pm

1 stop6h 29m

Great Falls

Mon 8/24

6:15 am-10:37 am

1 stop5h 22m

$452

PhoenixGreat Falls

PHX - GTF

PHXGTF

Phoenix Sky Harbor Intl

Sat 8/22

1:34 pm-9:12 pm

1 stop6h 38m

Great Falls

Mon 8/24

2:25 pm-8:24 pm

1 stop6h 59m

$462

PhoenixGreat Falls

PHX - GTF

PHXGTF

Phoenix Sky Harbor Intl

Tue 8/18

6:00 am-12:28 pm

1 stop5h 28m

Great Falls

Tue 8/25

5:40 am-11:35 am

2 stops6h 55m

$468

PhoenixGreat Falls

PHX - GTF

PHXGTF

Phoenix Sky Harbor Intl

Thu 8/20

6:02 am-5:38 pm

2 stops10h 36m

Great Falls

Sun 8/23

6:18 pm-12:12 am

1 stop6h 54m

$468

PhoenixGreat Falls

PHX - GTF

PHXGTF

Phoenix Sky Harbor Intl

Sat 8/22

7:02 am-4:38 pm

2 stops8h 36m

Great Falls

Sat 8/29

5:18 pm-10:00 pm

1 stop5h 42m

$528
Cheapest one-way
Quickest one-way

PhoenixGreat Falls

PHX - GTF

PHXGTF

Phoenix Sky Harbor Intl

Sat 8/22

1:34 pm-9:12 pm

1 stop6h 38m

$204

PhoenixGreat Falls

PHX - GTF

PHXGTF

Phoenix Sky Harbor Intl

Sat 8/22

6:02 am-5:38 pm

2 stops10h 36m

$242

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Best time to book a flight from Phoenix to Great Falls

Have a flexible travel schedule? Discover the best time to fly to Great Falls from Phoenix with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Phoenix to Great Falls

How much does it cost to fly round-trip from Phoenix to Great Falls?

Airfare is below average for this route at the moment.
Phoenix to Great Falls flights typically cost between $450 and $625 in August.
The cheapest round-trip price found within the last 5 days was $387 on Alaska Airlines (Aug 25-Sep 5).

Reviews of airlines servicing Great Falls

Get insights into the airlines that provide service to Great Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Great Falls. Reviews last updated July 25, 2026.
Read through reviews of airlines operating flights from Phoenix to Great Falls, such as Delta and Allegiant Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,486 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.8

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,486 reviews
Delta
7.8
Good
8,486 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.8

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Allegiant Air
7.3
Good
681 reviews
Delta
7.8
Good
8,486 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.8

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from Phoenix to Great Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Great Falls from Phoenix?

    Most people fly into Great Falls (GTF) if they book a flight to Great Falls from Phoenix. On average, Great Falls has 0 inbound flights from Phoenix per day from 2 airlines. Great Falls is conveniently located just 3.5 mi from Great Falls’s city center.

  • How long is the flight from Phoenix to Great Falls?

    A quick flight from Phoenix to Great Falls can take about 4h 28m. United Airlines provides one of the quickest options available for as low as $452. Airlines will cover a distance of 970 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Phoenix to Great Falls round-trip?

    Cheapflights users have booked flights from Phoenix to Great Falls round-trip from $90. Another airline that can offer you cheap pricing is Delta. These flights start at 85% lower than the current average price 3 months from now.

  • Can I find deals for flights from Phoenix to Great Falls that include hotel bookings?

    Yes. In addition to deals on Phoenix to Great Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Phoenix to Great Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phoenix to Great Falls.

  • Can I find deals for business class flights from Phoenix to Great Falls?

    Yes. Cheapflights offers flight deals from Phoenix to Great Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Great Falls?

Book flights to Great Falls if you plan to visit one of these locations
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Top 2 airlines flying from Phoenix to Great Falls

Discover the top 2 airlines that operate flights from Phoenix to Great Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$90Average$120FlexibilityNo cancel feeOn-time88%
DeltaCheapest$352Average$572FlexibilityNo cancel feeOn-timeN/A

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