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

According to our current data, United Airlines ($213), and Delta ($338) offers the cheapest pricing from Phoenix to Helena. United Airlines is 67% cheaper than the average price of flights available within the next 90 days to this destination.

In terms of precipitation, rainfall in Helena ranges from 0.3 - 2.1 inches per month. June is typically the wettest month, when rainfall can reach 2.1 in. February is typically the driest time to visit Helena when rainfall is around 0.3 in.

If weather is an important factor for your trip to Helena, 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 69.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 21.2 F).

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

When flying from Phoenix to Helena, 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 Helena from Phoenix?

Located just 2.7 mi from the city center, Helena is the airport most travelers will use when flying to Helena from Phoenix. Booking flights from Phoenix to Helena (HLN) should be relatively easy as there are 0 daily inbound flights from Phoenix from 2 different airlines.

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

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

How can I find direct flights from Phoenix to Helena?

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

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

Yes. Cheapflights offers flight deals from Phoenix to Helena 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 Helena

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Find flight deals from Phoenix to Helena

Popular in	October
Cheapest in	March
Average price	$1,154

Highest demand for flights based on searches. 25% potential increase in price ($232 potential increase over avg. RT price).

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Cheapest flight prices on average. 7% potential price decrease ($49 potential savings vs. average RT price).

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Average for round-trip flights in October 2026

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Best time to book a flight from Phoenix to Helena

Have a flexible travel schedule? Discover the best time to fly to Helena from Phoenix with our price prediction graph.

PH1-HLN

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 Helena

Read reviews from past customers who have flown Delta and United Airlines from Phoenix to Helena. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.8

Good

8,650 reviews

Reviews

1 / 20

6.0

Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Delta

7.8

Good

8,650 reviews

Delta

7.8

Good

8,650 reviews

Reviews

1 / 20

6.0

Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

United Airlines

7.3

Good

10,388 reviews

Delta

7.8

Good

8,650 reviews

Reviews

1 / 20

6.0

Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Related info for your journey

What airport do you fly into for flights to Helena from Phoenix?
Located just 2.7 mi from the city center, Helena is the airport most travelers will use when flying to Helena from Phoenix. Booking flights from Phoenix to Helena (HLN) should be relatively easy as there are 0 daily inbound flights from Phoenix from 2 different airlines.
What are the cheapest airlines flying from Phoenix to Helena round-trip?
According to our current data, United Airlines ($213), and Delta ($338) offers the cheapest pricing from Phoenix to Helena. United Airlines is 67% cheaper than the average price of flights available within the next 90 days to this destination.
Can I find deals for flights from Phoenix to Helena that include hotel bookings?
Yes. In addition to deals on Phoenix to Helena flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Phoenix to Helena?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phoenix to Helena.
Can I find deals for business class flights from Phoenix to Helena?
Yes. Cheapflights offers flight deals from Phoenix to Helena by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Top 2 airlines flying from Phoenix to Helena

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$213	Average$648	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$338	Average$483	FlexibilityNo cancel fee	On-timeN/A

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Find cheap flights from Phoenix to Helena 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 Helena

Popular in

Cheapest in

Average price

Best time to book a flight from Phoenix to Helena

Have a flexible travel schedule? Discover the best time to fly to Helena from Phoenix with our price prediction graph.

Reviews of airlines servicing Helena

Read reviews from past customers who have flown Delta and United Airlines from Phoenix to Helena. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

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

How can I find direct flights from Phoenix to Helena?

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

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 Helena

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

Complete your trip

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

Search flights from Phoenix to Helena by cabin class

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

Other flights to Helena

Explore flights to Helena departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 20, 2026.

Phoenix and Helena flights

Browse other Phoenix and Helena flight options. Last updated on October 20, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Top 2 airlines flying from Phoenix to Helena

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Cheap flights from Phoenix to Helena (HLN)

Find cheap flights from Phoenix to Helena 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 Helena

Popular in

Cheapest in

Average price

Best time to book a flight from Phoenix to Helena

Have a flexible travel schedule? Discover the best time to fly to Helena from Phoenix with our price prediction graph.

Reviews of airlines servicing Helena

Read reviews from past customers who have flown Delta and United Airlines from Phoenix to Helena. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

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

How can I find direct flights from Phoenix to Helena?

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

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 Helena

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

Complete your trip

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

Search flights from Phoenix to Helena by cabin class

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

Other flights to Helena

Explore flights to Helena departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 20, 2026.

Phoenix and Helena flights

Browse other Phoenix and Helena flight options. Last updated on October 20, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Top 2 airlines flying from Phoenix to Helena

100% Free

Book with Flexibility

Travel Smart