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.

In terms of precipitation, rainfall in Great Falls ranges from 0.5 - 2.5 inches per month. June is typically the wettest month, when rainfall can reach 2.5 in. January is typically the driest time to visit Great Falls when rainfall is around 0.5 in.

If weather is an important factor for your trip to Great Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

What is the cheapest time of day to fly from PHX to GTF?

When flying from Phoenix to Great Falls, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

Find Cheap Flights from Phoenix to Great Falls

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Phoenix to Great Falls with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from Phoenix to Great Falls

Popular in	January
Cheapest in	June
Average price	$480

Highest demand for flights based on searches. 27% potential increase in price ($240 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 8% potential price decrease ($47 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

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.

PH1-GTF

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.

Reviews of airlines servicing Great Falls

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

8,634 reviews

Reviews

1 / 20

4.0

Okay

Jennifer,Sep 2026

ORD - LGA

The flight crew was 30 minutes late to an am flight and then that caused a delay

Delta

7.8

Good

8,634 reviews

Delta

7.8

Good

8,634 reviews

Reviews

1 / 20

4.0

Okay

Jennifer,Sep 2026

ORD - LGA

The flight crew was 30 minutes late to an am flight and then that caused a delay

Allegiant Air

7.3

Good

678 reviews

Delta

7.8

Good

8,634 reviews

Reviews

1 / 20

4.0

Okay

Jennifer,Sep 2026

ORD - LGA

The flight crew was 30 minutes late to an am flight and then that caused a delay

Related info for your journey

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.
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

Shelby

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Flights by cabin class

Great Falls flight routes

Other flight options

Popular flights

Top 2 airlines flying from Phoenix to Great Falls

Airline	Cheapest	Average	Flexibility	On-time
Allegiant Air	Cheapest$90	Average$120	FlexibilityNo cancel fee	On-time88%
Delta	Cheapest$352	Average$526	FlexibilityNo cancel fee	On-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Find cheap flights from Phoenix to Great Falls with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Phoenix to Great Falls

Popular in

Cheapest in

Average price

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.

Reviews of airlines servicing Great Falls

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.

Related info for your journey

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

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

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

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

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

Traveling to a place near Great Falls?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Phoenix to Great Falls

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Great Falls by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Phoenix to Great Falls by cabin class

Find flights from Phoenix to Great Falls, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Great Falls

Explore flights to Great Falls departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 7, 2026.

Phoenix and Great Falls flights

Browse other Phoenix and Great Falls flight options. Last updated on October 7, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Top 2 airlines flying from Phoenix to Great Falls

100% Free

Book with Flexibility

Travel Smart

Cheap flights from Phoenix to Great Falls (GTF)

Find cheap flights from Phoenix to Great Falls with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Phoenix to Great Falls

Popular in

Cheapest in

Average price

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.

Reviews of airlines servicing Great Falls

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.

Related info for your journey

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

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

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

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

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

Traveling to a place near Great Falls?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Phoenix to Great Falls

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Great Falls by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Phoenix to Great Falls by cabin class

Find flights from Phoenix to Great Falls, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Great Falls

Explore flights to Great Falls departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 7, 2026.

Phoenix and Great Falls flights

Browse other Phoenix and Great Falls flight options. Last updated on October 7, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Top 2 airlines flying from Phoenix to Great Falls

100% Free

Book with Flexibility

Travel Smart