What is the cheapest airline that flies from Helena to Phoenix Sky Harbor Intl?

United Airlines and Delta are the most popular carriers operating from Helena to Phoenix Sky Harbor Intl

What airlines fly to Phoenix Sky Harbor Intl Airport?

United Airlines, Delta and Southwest are the top three most popular airlines that fly to Phoenix Sky Harbor Intl Airport from Helena according to our data. United Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Phoenix Sky Harbor Intl Airport. Keep in mind that there are 6 different airlines that fly to Phoenix Sky Harbor Intl Airport on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Helena Airport to Phoenix Sky Harbor Intl Airport?

Prices for flights from Helena Airport to Phoenix Sky Harbor Intl Airport were last updated today.

How many operators does momondo search for flights from Helena Airport to Phoenix Sky Harbor Intl Airport?

The number of operators available for flights from Helena Airport to Phoenix Sky Harbor Intl Airport is 3 as of August 2026.

How old do you have to be to fly from Helena Airport to Phoenix Sky Harbor Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Helena Airport to Phoenix Sky Harbor Intl Airport.

What documentation or ID do you need to fly to Phoenix Sky Harbor Intl Airport?

The required travel and health documents for your Phoenix Sky Harbor Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Phoenix Sky Harbor Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$241 Cheap Flights from Helena to Phoenix Sky Harbor Intl Airport in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Helena to Phoenix

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

4:08 pm - 7:22 pmHLN Helena-PHX Phoenix Sky Harbor Intl

27h 14m2 stops Seattle/Tacoma Intl San Diego

7:01 am - 3:31 pmPHX Phoenix Sky Harbor Intl-HLN Helena

8h 30m2 stops San Diego Seattle/Tacoma Intl

$429Alaska Airlines

Fri, Dec 11 - Tue, Dec 15

4:08 pm - 11:46 pmHLN Helena-PHX Phoenix Sky Harbor Intl

7h 38m1 stop Seattle/Tacoma Intl

7:01 am - 3:31 pmPHX Phoenix Sky Harbor Intl-HLN Helena

8h 30m2 stops San Diego Seattle/Tacoma Intl

$450Alaska Airlines

Fri, Dec 11 - Tue, Dec 15

5:18 pm - 7:07 pmHLN Helena-PHX Phoenix Sky Harbor Intl

26h 49m2 stops Seattle/Tacoma Intl San Diego

8:20 am - 4:41 pmPHX Phoenix Sky Harbor Intl-HLN Helena

7h 21m1 stop Seattle/Tacoma Intl

$460Alaska Airlines

Fri, Sep 25 - Tue, Sep 29

1:10 pm - 7:25 pmHLN Helena-PHX Phoenix Sky Harbor Intl

6h 15m1 stop Salt Lake City

7:00 am - 12:30 pmPHX Phoenix Sky Harbor Intl-HLN Helena

5h 30m1 stop Salt Lake City

$481Delta

Thu, Dec 10 - Sun, Dec 13

7:15 am - 12:15 pmHLN Helena-PHX Phoenix Sky Harbor Intl

6h 00m1 stop Salt Lake City

5:45 am - 12:17 pmPHX Phoenix Sky Harbor Intl-HLN Helena

5h 32m1 stop Salt Lake City

$481Delta

Fri, Sep 25 - Tue, Sep 29

2:23 pm - 7:55 pmHLN Helena-PHX Phoenix Sky Harbor Intl

5h 32m1 stop Denver Intl

6:20 am - 1:40 pmPHX Phoenix Sky Harbor Intl-HLN Helena

7h 20m1 stop Denver Intl

$481United Airlines

Thu, Nov 5 - Mon, Nov 9

2:23 pm - 7:55 pmHLN Helena-PHX Phoenix Sky Harbor Intl

5h 32m1 stop Denver Intl

6:20 am - 1:40 pmPHX Phoenix Sky Harbor Intl-HLN Helena

7h 20m1 stop Denver Intl

$481United Airlines

Thu, Nov 5 - Mon, Nov 9

2:35 pm - 7:42 pmHLN Helena-PHX Phoenix Sky Harbor Intl

5h 07m1 stop Denver Intl

4:39 pm - 9:27 pmPHX Phoenix Sky Harbor Intl-HLN Helena

4h 48m1 stop Denver Intl

$494United Airlines

Fri, Dec 11 - Tue, Dec 15

5:03 pm - 3:45 pmHLN Helena-PHX Phoenix Sky Harbor Intl

22h 42m1 stop Seattle/Tacoma Intl

8:40 pm - 4:26 pmPHX Phoenix Sky Harbor Intl-HLN Helena

19h 46m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,077Multiple Airlines

Wed, Nov 25 - Sun, Nov 29

5:03 pm - 9:48 amHLN Helena-PHX Phoenix Sky Harbor Intl

16h 45m1 stop Seattle/Tacoma Intl

12:15 pm - 4:26 pmPHX Phoenix Sky Harbor Intl-HLN Helena

28h 11m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,084Multiple Airlines

Tue, Nov 24 - Sun, Nov 29

Cheap last minute flights

Enter your travel dates to find the best prices.

2:35 pm - 8:24 pmHLN Helena-PHX Phoenix Sky Harbor Intl

6h 49m1 stop Denver Intl

7:30 am - 1:48 pmPHX Phoenix Sky Harbor Intl-HLN Helena

5h 18m1 stop Denver Intl

$781United Airlines

Mon, Aug 31 - Sat, Oct 10

5:11 pm - 11:38 pmHLN Helena-PHX Phoenix Sky Harbor Intl

7h 27m1 stop Seattle/Tacoma Intl

9:05 am - 4:49 pmPHX Phoenix Sky Harbor Intl-HLN Helena

6h 44m2 stops Boise Air Term. Gowen Fld Seattle/Tacoma Intl

$858Alaska Airlines

Mon, Aug 31 - Sat, Oct 10

2:35 pm - 10:37 amHLN Helena-PHX Phoenix Sky Harbor Intl

21h 02m1 stop Denver Intl

1:34 pm - 1:45 pmPHX Phoenix Sky Harbor Intl-HLN Helena

23h 11m1 stop Denver Intl

$915United Airlines

Tue, Sep 1 - Mon, Sep 7

2:35 pm - 6:00 pmHLN Helena-PHX Phoenix Sky Harbor Intl

28h 25m2 stops Denver Intl Los Angeles Los Angeles

4:49 pm - 9:30 pmPHX Phoenix Sky Harbor Intl-HLN Helena

27h 41m1 stop Denver Intl

$957United Airlines

Tue, Sep 1 - Mon, Sep 7

2:35 pm - 5:10 pmHLN Helena-PHX Phoenix Sky Harbor Intl

27h 35m1 stop Denver Intl

3:19 pm - 9:30 pmPHX Phoenix Sky Harbor Intl-HLN Helena

5h 11m1 stop Denver Intl

$1,013United Airlines

Tue, Sep 1 - Mon, Sep 7

2:35 pm - 6:35 pmHLN Helena-PHX Phoenix Sky Harbor Intl

29h 00m2 stops Denver Intl San Francisco

3:19 pm - 9:30 pmPHX Phoenix Sky Harbor Intl-HLN Helena

5h 11m1 stop Denver Intl

$1,045United Airlines

Tue, Sep 1 - Mon, Sep 7

5:40 am - 3:22 pmHLN Helena-PHX Phoenix Sky Harbor Intl

10h 42m2 stops Salt Lake City Los Angeles Los Angeles

12:15 pm - 10:30 pmPHX Phoenix Sky Harbor Intl-HLN Helena

9h 15m2 stops Los Angeles Los Angeles Salt Lake City

$1,207Delta

Tue, Sep 1 - Mon, Sep 7

5:40 am - 3:22 pmHLN Helena-PHX Phoenix Sky Harbor Intl

10h 42m2 stops Salt Lake City Los Angeles Los Angeles

12:15 pm - 10:30 pmPHX Phoenix Sky Harbor Intl-HLN Helena

9h 15m2 stops Los Angeles Los Angeles Salt Lake City

$1,232Delta

Tue, Sep 1 - Mon, Sep 7

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United Airlines flights from Helena to Phoenix Sky Harbor Intl Airport

Our best United Airlines deals on Helena to Phoenix Sky Harbor Intl Airport flight tickets

United Airlines

Dec 11

HLN2:35 pmHelena

5h 07m

1 stop

PHX7:42 pmPhoenix Sky Harbor Intl

Dec 15

PHX4:39 pmPhoenix Sky Harbor Intl

4h 48m

1 stop

HLN9:27 pmHelena

$494

United Airlines

Oct 25

HLN6:28 amHelena

7h 09m

1 stop

PHX12:37 pmPhoenix Sky Harbor Intl

Nov 1

PHX4:31 pmPhoenix Sky Harbor Intl

5h 00m

1 stop

HLN9:31 pmHelena

$561

United Airlines

Oct 10

HLN2:30 pmHelena

6h 44m

1 stop

PHX8:14 pmPhoenix Sky Harbor Intl

Oct 17

PHX6:00 amPhoenix Sky Harbor Intl

6h 48m

1 stop

HLN1:48 pmHelena

$573

Alaska Airlines flights from Helena to Phoenix Sky Harbor Intl Airport

Our best Alaska Airlines deals on Helena to Phoenix Sky Harbor Intl Airport flight tickets

Alaska Airlines

Dec 11

HLN4:08 pmHelena

27h 14m

2 stops

PHX7:22 pmPhoenix Sky Harbor Intl

Dec 15

PHX7:01 amPhoenix Sky Harbor Intl

8h 30m

2 stops

HLN3:31 pmHelena

$429

Alaska Airlines

Dec 11

HLN4:08 pmHelena

7h 38m

1 stop

PHX11:46 pmPhoenix Sky Harbor Intl

Dec 15

PHX7:01 amPhoenix Sky Harbor Intl

8h 30m

2 stops

HLN3:31 pmHelena

$450

Alaska Airlines

Sep 25

HLN5:18 pmHelena

26h 49m

2 stops

PHX7:07 pmPhoenix Sky Harbor Intl

Sep 29

PHX8:20 amPhoenix Sky Harbor Intl

7h 21m

1 stop

HLN4:41 pmHelena

$460

momondo Fare Finder

Use the filters below to find and compare flights from Helena to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HelenaPhoenix

HLN Helena - PHX Phoenix Sky Harbor Intl

HLNPHX

Helena

Fri 12/11

4:08 pm-7:22 pm

2 stops27h 14m

Phoenix Sky Harbor Intl

Tue 12/15

7:01 am-3:31 pm

2 stops8h 30m

$429

HelenaPhoenix

HLN Helena - PHX Phoenix Sky Harbor Intl

HLNPHX

Helena

Fri 12/11

4:08 pm-11:46 pm

1 stop7h 38m

Phoenix Sky Harbor Intl

Tue 12/15

7:01 am-3:31 pm

2 stops8h 30m

$450

HelenaPhoenix

HLN Helena - PHX Phoenix Sky Harbor Intl

HLNPHX

Helena

Fri 9/25

5:18 pm-7:07 pm

2 stops26h 49m

Phoenix Sky Harbor Intl

Tue 9/29

8:20 am-4:41 pm

1 stop7h 21m

$460

HelenaPhoenix

HLN Helena - PHX Phoenix Sky Harbor Intl

HLNPHX

Helena

Thu 12/10

1:10 pm-7:25 pm

1 stop6h 15m

Phoenix Sky Harbor Intl

Sun 12/13

7:00 am-12:30 pm

1 stop5h 30m

$481

HelenaPhoenix

HLN Helena - PHX Phoenix Sky Harbor Intl

HLNPHX

Helena

Fri 9/25

7:15 am-12:15 pm

1 stop6h 00m

Phoenix Sky Harbor Intl

Tue 9/29

5:45 am-12:17 pm

1 stop5h 32m

$481

HelenaPhoenix

HLN Helena - PHX Phoenix Sky Harbor Intl

HLNPHX

Helena

Thu 11/5

2:23 pm-7:55 pm

1 stop5h 32m

Phoenix Sky Harbor Intl

Mon 11/9

6:20 am-1:40 pm

1 stop7h 20m

$481

HelenaPhoenix

HLN Helena - PHX Phoenix Sky Harbor Intl

HLNPHX

Helena

Thu 11/5

2:23 pm-7:55 pm

1 stop5h 32m

Phoenix Sky Harbor Intl

Mon 11/9

6:20 am-1:40 pm

1 stop7h 20m

$481

Quickest round-trip

HelenaPhoenix

HLN Helena - PHX Phoenix Sky Harbor Intl

HLNPHX

Helena

Fri 12/11

2:35 pm-7:42 pm

1 stop5h 07m

Phoenix Sky Harbor Intl

Tue 12/15

4:39 pm-9:27 pm

1 stop4h 48m

$494

HelenaPhoenix

HLN Helena - PHX Phoenix Sky Harbor Intl

HLNPHX

Helena

Wed 11/25

5:03 pm-3:45 pm

1 stop22h 42m

Phoenix Sky Harbor Intl

Sun 11/29

8:40 pm-4:26 pm

2 stops19h 46m

$1,077

HelenaPhoenix

HLN Helena - PHX Phoenix Sky Harbor Intl

HLNPHX

Helena

Tue 11/24

5:03 pm-9:48 am

1 stop16h 45m

Phoenix Sky Harbor Intl

Sun 11/29

12:15 pm-4:26 pm

2 stops28h 11m

$1,084

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

How to get the cheapest flight ticket from Helena to Phoenix Sky Harbor Intl Airport

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 Sky Harbor Intl Airport?

In general, October is the cheapest month to fly from Helena to Phoenix Sky Harbor Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $324. If you are unable to visit Phoenix Sky Harbor Intl Airport during the month of October, then departing from Helena during the month June is also very affordable. Most momondo users find prices during this month for around $338.

When to book flights from Helena to Phoenix Sky Harbor Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Helena to Phoenix Sky Harbor Intl Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Helena to Phoenix Sky Harbor Intl Airport (HLN to PHX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Helena to Phoenix Sky Harbor Intl Airport

Best Price Found	$241
Fastest flight time	5h 22m
Direct flights	None

The best one-way flight to Phoenix Sky Harbor Intl Airport from Helena in the past 72 hours is $241. The best round-trip flight deal from Helena to Phoenix Sky Harbor Intl Airport found on momondo in the last 72 hours is $429.

The fastest flight from Helena to Phoenix Sky Harbor Intl Airport takes 5h 22m

There are no direct flights from Helena to Phoenix Sky Harbor Intl Airport. There are no popular flight routes from Helena to Phoenix Sky Harbor Intl Airport.

Search flight deals

Frequently asked questions about flying from Helena to Phoenix Sky Harbor Intl Airport

How far is Helena to Phoenix Sky Harbor Intl by plane?
Helena and Phoenix Sky Harbor Intl are 908.4 mi apart from one another. A reasonable flight in good conditions will take 5h 22m.
When did momondo last update prices for flights from Helena Airport to Phoenix Sky Harbor Intl Airport?
Prices for flights from Helena Airport to Phoenix Sky Harbor Intl Airport were last updated today.
How many operators does momondo search for flights from Helena Airport to Phoenix Sky Harbor Intl Airport?
The number of operators available for flights from Helena Airport to Phoenix Sky Harbor Intl Airport is 3 as of August 2026.
How old do you have to be to fly from Helena Airport to Phoenix Sky Harbor Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Helena Airport to Phoenix Sky Harbor Intl Airport.
What documentation or ID do you need to fly to Phoenix Sky Harbor Intl Airport?
The required travel and health documents for your Phoenix Sky Harbor Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Phoenix Sky Harbor Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Helena to Phoenix Sky Harbor Intl Airport?
Based on momondo bookings for flights between Helena and Phoenix Sky Harbor Intl Airport, the leading airline is Delta, making up 46% of the total bookings. Other popular airlines include United Airlines with 44% and Alaska Airlines with 11%.

Best airlines flying from Helena to Phoenix Sky Harbor Intl Airport

Compare and see reviews for airlines that fly from Helena to Phoenix Sky Harbor Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom $219	Free Cancellation	Rating 7.9 12,856 reviews	Search Alaska Airlines flights
Delta	PriceFrom $240	Free Cancellation	Rating 7.8 8,532 reviews	Search Delta flights
United Airlines	PriceFrom $324	Free Cancellation	Rating 7.4 10,134 reviews	Search United Airlines flights

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Gilbert

Peoria

Casa Grande

Payson

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Apache Junction

Paradise Valley

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Wickenburg

Globe

Camp Verde

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Litchfield Park

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Can I find flights from Helena to Phoenix with flexible booking policies on momondo?

All flight searches from Helena to Phoenix on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Helena 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 Helena to Phoenix.

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

Yes momondo offers price alerts on flights to Phoenix from Helena. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Helena to Phoenix from $241

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Helena 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.

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United Airlines flights from Helena to Phoenix Sky Harbor Intl Airport

Our best United Airlines deals on Helena to Phoenix Sky Harbor Intl Airport flight tickets

Alaska Airlines flights from Helena to Phoenix Sky Harbor Intl Airport

Our best Alaska Airlines deals on Helena to Phoenix Sky Harbor Intl Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Helena to Phoenix Sky Harbor Intl Airport that are best for you.

See travel insights to Phoenix from

How to get the cheapest flight ticket from Helena to Phoenix Sky Harbor Intl Airport

What is the cheapest month to fly to Phoenix Sky Harbor Intl Airport?

What is the cheapest airline that flies from Helena to Phoenix Sky Harbor Intl?

What airlines fly to Phoenix Sky Harbor Intl Airport?

When to book flights from Helena to Phoenix Sky Harbor Intl Airport

Cheap Helena to Phoenix Sky Harbor Intl Airport (HLN to PHX) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Helena to Phoenix Sky Harbor Intl Airport

Best airlines flying from Helena to Phoenix Sky Harbor Intl Airport

Compare and see reviews for airlines that fly from Helena to Phoenix Sky Harbor Intl Airport with momondo

Traveling to a place near Phoenix?

Why use momondo?

An easier way to manage your Phoenix Sky Harbor Intl Airport 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 Phoenix

Popular cities in the United States

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

Helena flight routes

According to popular flight searches on momondo this year

Phoenix Sky Harbor Intl Airport flight routes

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Fly your favorite airline to Phoenix

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List of cabin classes available on flights landing in Phoenix. Availability may vary depending on flight origin and airline.

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