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Sky Harbor Intl

$174+ Cheap flights from Helena (HLN) to Sky Harbor Intl (PHX)

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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — PHX
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Helena to Sky Harbor Intl

Discover tips and strategies to find the most affordable flight options for your journey from Helena (HLN) to Sky Harbor Intl (PHX). 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 September 17, 2025.

Round-trip from

$369
(Alaska Airlines)

One-way from

$174
(Alaska Airlines)

Popular in

September

Cheapest in

February

Average price

$492
From Helena to Phoenix Sky Harbor Intl
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One-way flight from Helena to Phoenix Sky Harbor Intl
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Highest demand for flights based on searches. 2% potential increase in price ($9 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Helena to Sky Harbor Intl

Cheapest flights from Helena to Sky Harbor Intl
Explore the most affordable flight options available from Helena to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/146:18 pmHLN - PHX
2 stops16h 26mAlaska Airlines
Tue 10/219:00 amPHX - HLN
1 stop7h 41mAlaska Airlines
Deal found 9/16$369
This Hawaiian Airlines deal was found by Cheapflights users on 9/16. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/146:18 pmHLN - PHX
1 stop6h 22mHawaiian Airlines
Tue 10/219:00 amPHX - HLN
1 stop7h 41mHawaiian Airlines
Deal found 9/16$371
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/186:18 pmHLN - PHX
1 stop17h 51mAlaska Airlines
Mon 10/2011:57 amPHX - HLN
2 stops28h 44mAlaska Airlines
Deal found 9/16$391
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/236:18 pmHLN - PHX
2 stops16h 26mAlaska Airlines
Mon 10/278:00 amPHX - HLN
1 stop8h 36mAlaska Airlines
Deal found 9/17$399
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/136:18 pmHLN - PHX
1 stop16h 47mAlaska Airlines
Mon 10/2011:57 amPHX - HLN
2 stops28h 44mAlaska Airlines
Deal found 9/15$421
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:28 pmHLN - PHX
1 stop28h 23mAlaska Airlines
Tue 12/93:23 pmPHX - HLN
2 stops26h 28mAlaska Airlines
Deal found 9/16$432
This Delta deal was found by Cheapflights users on 9/17. 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 10/235:45 amHLN - PHX
1 stop4h 10mDelta
Mon 10/275:15 pmPHX - HLN
1 stop4h 01mDelta
Deal found 9/17$444
This Hawaiian Airlines deal was found by Cheapflights users on 9/15. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/236:18 pmHLN - PHX
1 stop6h 22mHawaiian Airlines
Mon 10/278:00 amPHX - HLN
1 stop8h 36mHawaiian Airlines
Deal found 9/15$450
This Delta deal was found by Cheapflights users on 9/16. 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 10/181:00 pmHLN - PHX
1 stop4h 10mDelta
Mon 10/205:15 pmPHX - HLN
1 stop4h 01mDelta
Deal found 9/16$469

Cheapflights Fare Finder

 
Customize your flight search to find flights from Helena to Sky Harbor Intl 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 September 17, 2025.
Use the filters below to find and compare flights from Helena to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Helena

Fly to

Sky Harbor Intl

Route

Depart

Return

Price

HelenaPhoenix

HLN - PHX

HLNPHX

Helena

Thu 12/4

5:30 am-9:48 am

1 stop4h 18m

Phoenix Sky Harbor Intl

Tue 12/9

6:25 pm-10:30 pm

1 stop4h 05m

$369

HelenaPhoenix

HLN - PHX

HLNPHX

Helena

Tue 10/14

6:18 pm-9:44 am

2 stops16h 26m

Phoenix Sky Harbor Intl

Tue 10/21

9:00 am-5:41 pm

1 stop7h 41m

$369

HelenaPhoenix

HLN - PHX

HLNPHX

Helena

Tue 10/14

6:18 pm-11:40 pm

1 stop6h 22m

Phoenix Sky Harbor Intl

Tue 10/21

9:00 am-5:41 pm

1 stop7h 41m

$371

HelenaPhoenix

HLN - PHX

HLNPHX

Helena

Tue 3/3

4:10 pm-10:11 pm

1 stop6h 01m

Phoenix Sky Harbor Intl

Tue 3/10

7:00 am-3:43 pm

1 stop7h 43m

$375

HelenaPhoenix

HLN - PHX

HLNPHX

Helena

Sat 10/18

6:18 pm-11:09 am

1 stop17h 51m

Phoenix Sky Harbor Intl

Mon 10/20

11:57 am-5:41 pm

2 stops28h 44m

$391

HelenaPhoenix

HLN - PHX

HLNPHX

Helena

Thu 10/23

6:18 pm-3:17 pm

2 stops21h 59m

Phoenix Sky Harbor Intl

Mon 10/27

5:20 am-5:36 pm

1 stop11h 16m

$399

HelenaPhoenix

HLN - PHX

HLNPHX

Helena

Fri 10/31

6:13 pm-9:55 am

1 stop16h 42m

Phoenix Sky Harbor Intl

Fri 11/7

7:35 pm-5:36 pm

1 stop22h 01m

$399

HelenaPhoenix

HLN - PHX

HLNPHX

Helena

Tue 11/4

6:13 pm-11:51 pm

1 stop5h 38m

$174

HelenaPhoenix

HLN - PHX

HLNPHX

Helena

Sat 10/18

6:18 pm-10:05 am

1 stop16h 47m

$180

HelenaPhoenix

HLN - PHX

HLNPHX

Helena

Sat 10/25

6:18 pm-4:56 pm

1 stop23h 38m

$192

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 16 results
1
2

Best time to book a flight from Helena to Sky Harbor Intl

Have a flexible travel schedule? Discover the best time to fly to Sky Harbor Intl from Helena 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 Helena to Phoenix Sky Harbor Intl Airport

What is the cheapest month to book a flight from Helena to Phoenix Sky Harbor Intl Airport?

Currently, January is the cheapest month in which you can book a flight from Helena to Phoenix Sky Harbor Intl Airport (average of $258). Flying from Helena to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from Helena to Sky Harbor Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

A simple way to save on the total cost of your ticket is to fly from Helena to Phoenix Sky Harbor Intl Airport in the evening. If you’re flexible enough to do this you can expect to save up to 47% on your trip compared to booking a flight at noon.

Reviews of airlines servicing Sky Harbor Intl

Get insights into the airlines that provide service to Sky Harbor Intl. 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 Sky Harbor Intl. Reviews last updated September 17, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and United Airlines from Helena to Phoenix Sky Harbor Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
8.0
Very good
7,961 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
8,926 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

Related info for your journey

Find useful and relevant information for your journey from Helena to Sky Harbor Intl. 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 from for flights from Helena to Phoenix Sky Harbor Intl?

    Helena (HLN), located 2.7 mi from the city center, is the airport you fly out of when you book flights from Helena to Phoenix Sky Harbor Intl. 3 airlines have flights from Helena to Phoenix Sky Harbor Intl on a regular basis. Booking flights from Helena to Phoenix Sky Harbor Intl should not be difficult; the airport handles an average of 0 outbound flights to Phoenix Sky Harbor Intl per day.

  • How long is the flight from Helena to Phoenix Sky Harbor Intl Airport?

    There are many flights that can get you from Helena to Phoenix Sky Harbor Intl Airport in 4h 18m. Fly via Delta, Alaska Airlines, or Hawaiian Airlines to get the fastest option. The distance between Helena and Phoenix Sky Harbor Intl Airport is about 909 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Helena to Phoenix Sky Harbor Intl Airport round-trip?

    Our cheapest airline available from Helena to Phoenix Sky Harbor Intl Airport is Delta. Our recent data shows that you can find tickets from as low as $260 on this airline. Additional options worth looking into are Alaska Airlines and United Airlines, starting at $281 and $314 round-trip. You may be able to fly from Helena to Phoenix Sky Harbor Intl Airport for 36% less than the average price by searching for these airlines.

  • Can I find deals for flights from Helena to Sky Harbor Intl that include hotel bookings?

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

  • How can I find direct flights from Helena to Sky Harbor Intl?

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

  • Can I find deals for business class flights from Helena to Sky Harbor Intl?

    Yes. Cheapflights offers flight deals from Helena to Sky Harbor Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Helena to Phoenix Sky Harbor Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Helena to Phoenix Sky Harbor Intl Airport (average of $258). Flying from Helena to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Phoenix Sky Harbor Intl Airport?

Book flights to Phoenix Sky Harbor Intl Airport if you plan to visit one of these locations
Payson
Chandler
Globe
Goodyear
Glendale
Casa Grande
Buckeye
Camp Verde
Peoria
Surprise
Paradise Valley
Avondale
Guadalupe

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Top 3 airlines flying from Helena to Sky Harbor Intl

Discover the top 3 airlines that operate flights from Helena to Sky Harbor Intl. 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$260Average$365FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$281Average$351FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$314Average$516FlexibilityNo cancel feeOn-time69%

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