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 41% 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.

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

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

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 2 as of October 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.

$254 Cheap Flights from Helena to Phoenix Sky Harbor Intl Airport in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Helena to Phoenix

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:08 pm - 12:56 amHLN Helena-PHX Phoenix Sky Harbor Intl

8h 48m1 stop Seattle/Tacoma Intl

6:00 am - 3:31 pmPHX Phoenix Sky Harbor Intl-HLN Helena

9h 31m1 stop Seattle/Tacoma Intl

$423Alaska Airlines

Wed, Mar 3 - Sat, Mar 6

4:49 pm - 1:49 pmHLN Helena-PHX Phoenix Sky Harbor Intl

21h 00m1 stop Seattle/Tacoma Intl

7:35 pm - 4:12 pmPHX Phoenix Sky Harbor Intl-HLN Helena

20h 37m1 stop Seattle/Tacoma Intl

$423Alaska Airlines

Tue, Dec 8 - Sat, Dec 12

7:00 am - 10:36 amHLN Helena-PHX Phoenix Sky Harbor Intl

4h 36m1 stop Denver Intl

3:30 pm - 8:59 pmPHX Phoenix Sky Harbor Intl-HLN Helena

4h 29m1 stop Denver Intl

$427United Airlines

Sat, Apr 10 - Wed, Apr 14

6:28 am - 11:44 amHLN Helena-PHX Phoenix Sky Harbor Intl

5h 16m1 stop Denver Intl

2:50 pm - 9:46 pmPHX Phoenix Sky Harbor Intl-HLN Helena

6h 56m1 stop Denver Intl

$427United Airlines

Tue, Nov 3 - Sat, Dec 5

6:28 am - 1:37 pmHLN Helena-PHX Phoenix Sky Harbor Intl

7h 09m1 stop Denver Intl

8:30 am - 1:52 pmPHX Phoenix Sky Harbor Intl-HLN Helena

5h 22m1 stop Denver Intl

$427United Airlines

Tue, Nov 3 - Sat, Dec 5

4:41 pm - 11:40 amHLN Helena-PHX Phoenix Sky Harbor Intl

18h 59m1 stop Seattle/Tacoma Intl

9:03 am - 4:04 pmPHX Phoenix Sky Harbor Intl-HLN Helena

7h 01m1 stop Seattle/Tacoma Intl

$453Alaska Airlines

Mon, Nov 9 - Fri, Nov 13

5:00 pm - 4:24 pmHLN Helena-PHX Phoenix Sky Harbor Intl

23h 24m2 stops Seattle/Tacoma Intl San Diego

7:13 pm - 4:23 pmPHX Phoenix Sky Harbor Intl-HLN Helena

21h 10m1 stop Seattle/Tacoma Intl

$466Alaska Airlines

Thu, Jan 21 - Tue, Jan 26

5:45 am - 5:35 pmHLN Helena-PHX Phoenix Sky Harbor Intl

11h 50m2 stops Salt Lake City Seattle/Tacoma Intl

7:00 am - 12:24 pmPHX Phoenix Sky Harbor Intl-HLN Helena

5h 24m1 stop Salt Lake City

$474Delta

Wed, Mar 3 - Mon, Mar 8

12:50 pm - 9:34 pmHLN Helena-PHX Phoenix Sky Harbor Intl

8h 44m2 stops Salt Lake City Seattle/Tacoma Intl

7:00 am - 12:24 pmPHX Phoenix Sky Harbor Intl-HLN Helena

5h 24m1 stop Salt Lake City

$474Delta

Wed, Mar 3 - Sun, Mar 7

12:50 pm - 9:34 pmHLN Helena-PHX Phoenix Sky Harbor Intl

8h 44m2 stops Salt Lake City Seattle/Tacoma Intl

6:20 pm - 10:41 pmPHX Phoenix Sky Harbor Intl-HLN Helena

4h 21m1 stop Salt Lake City

$498Delta

Fri, Mar 5 - Sat, Mar 6

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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 8

HLN4:49 pmHelena

21h 00m

1 stop

PHX1:49 pmPhoenix Sky Harbor Intl

Dec 12

PHX7:35 pmPhoenix Sky Harbor Intl

20h 37m

1 stop

HLN4:12 pmHelena

$423

Alaska Airlines

Jan 9

HLN5:00 pmHelena

5h 58m

1 stop

PHX10:58 pmPhoenix Sky Harbor Intl

Jan 11

PHX7:50 pmPhoenix Sky Harbor Intl

20h 33m

2 stops

HLN4:23 pmHelena

$466

Alaska Airlines

Jan 21

HLN5:00 pmHelena

5h 58m

1 stop

PHX10:58 pmPhoenix Sky Harbor Intl

Jan 26

PHX3:13 pmPhoenix Sky Harbor Intl

25h 10m

1 stop

HLN4:23 pmHelena

$468

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

Apr 10

HLN7:00 amHelena

4h 36m

1 stop

PHX10:36 amPhoenix Sky Harbor Intl

Apr 14

PHX3:30 pmPhoenix Sky Harbor Intl

4h 29m

1 stop

HLN8:59 pmHelena

$427

United Airlines

Dec 9

HLN6:20 amHelena

7h 17m

1 stop

PHX1:37 pmPhoenix Sky Harbor Intl

Dec 13

PHX6:20 amPhoenix Sky Harbor Intl

7h 32m

1 stop

HLN1:52 pmHelena

$506

United Airlines

Dec 22

HLN2:27 pmHelena

7h 20m

1 stop

PHX9:47 pmPhoenix Sky Harbor Intl

Dec 28

PHX6:18 amPhoenix Sky Harbor Intl

7h 28m

1 stop

HLN1:46 pmHelena

$527

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

Wed 3/3

4:08 pm-12:56 am

1 stop8h 48m

Phoenix Sky Harbor Intl

Sat 3/6

6:00 am-3:31 pm

1 stop9h 31m

$423

HelenaPhoenix

HLN Helena - PHX Phoenix Sky Harbor Intl

HLNPHX

Helena

Tue 12/8

4:49 pm-1:49 pm

1 stop21h 00m

Phoenix Sky Harbor Intl

Sat 12/12

7:35 pm-4:12 pm

1 stop20h 37m

$423

Quickest round-trip

HelenaPhoenix

HLN Helena - PHX Phoenix Sky Harbor Intl

HLNPHX

Helena

Sat 4/10

7:00 am-10:36 am

1 stop4h 36m

Phoenix Sky Harbor Intl

Wed 4/14

3:30 pm-8:59 pm

1 stop4h 29m

$427

HelenaPhoenix

HLN Helena - PHX Phoenix Sky Harbor Intl

HLNPHX

Helena

Tue 11/3

6:28 am-11:44 am

1 stop5h 16m

Phoenix Sky Harbor Intl

Sat 12/5

2:50 pm-9:46 pm

1 stop6h 56m

$427

HelenaPhoenix

HLN Helena - PHX Phoenix Sky Harbor Intl

HLNPHX

Helena

Tue 11/3

6:28 am-1:37 pm

1 stop7h 09m

Phoenix Sky Harbor Intl

Sat 12/5

8:30 am-1:52 pm

1 stop5h 22m

$427

HelenaPhoenix

HLN Helena - PHX Phoenix Sky Harbor Intl

HLNPHX

Helena

Mon 11/9

4:41 pm-11:40 am

1 stop18h 59m

Phoenix Sky Harbor Intl

Fri 11/13

9:03 am-4:04 pm

1 stop7h 01m

$453

HelenaPhoenix

HLN Helena - PHX Phoenix Sky Harbor Intl

HLNPHX

Helena

Thu 1/21

5:00 pm-4:24 pm

2 stops23h 24m

Phoenix Sky Harbor Intl

Tue 1/26

7:13 pm-4:23 pm

1 stop21h 10m

$466

HelenaPhoenix

HLN Helena - PHX Phoenix Sky Harbor Intl

HLNPHX

Helena

Wed 3/3

5:45 am-5:35 pm

2 stops11h 50m

Phoenix Sky Harbor Intl

Mon 3/8

7:00 am-12:24 pm

1 stop5h 24m

$474

HelenaPhoenix

HLN Helena - PHX Phoenix Sky Harbor Intl

HLNPHX

Helena

Wed 3/3

12:50 pm-9:34 pm

2 stops8h 44m

Phoenix Sky Harbor Intl

Sun 3/7

7:00 am-12:24 pm

1 stop5h 24m

$474

HelenaPhoenix

HLN Helena - PHX Phoenix Sky Harbor Intl

HLNPHX

Helena

Fri 3/5

12:50 pm-9:34 pm

2 stops8h 44m

Phoenix Sky Harbor Intl

Sat 3/6

6:20 pm-10:41 pm

1 stop4h 21m

$498

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 typical price of a round-trip flight between Helena and Phoenix Sky Harbor Intl Airport?

Prices are currently low for flights on this route.

Typical prices usually range from $506 to $856.
The lowest price recently found on this route was $423.

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

In general, September 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 $240. If you are unable to visit Phoenix Sky Harbor Intl Airport during the month of September, 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	$254
Fastest flight time	4h 06m
Direct flights	None

The best one-way flight to Phoenix Sky Harbor Intl Airport from Helena in the past 72 hours is $254. The best round-trip flight deal from Helena to Phoenix Sky Harbor Intl Airport found on momondo in the last 72 hours is $423.

The fastest flight from Helena to Phoenix Sky Harbor Intl Airport takes 4h 06m

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 4h 06m.
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 2 as of October 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 United Airlines, making up 54% of the total bookings. Other popular airlines include Delta with 46%.

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
Delta	PriceFrom $240	Free Cancellation	Rating 7.8 8,649 reviews		Search Delta flights
United Airlines	PriceFrom $337	Free Cancellation	Rating 7.4 10,351 reviews		Search United Airlines flights

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Why should I use momondo to find a flight deal from Helena to Phoenix?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Helena to Phoenix. Millions of users trust and use momondo every year so you are in good hands.

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 $254

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 12/3. 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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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

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

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 typical price of a round-trip flight between Helena and 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

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According to popular flight searches on momondo this year

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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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