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Helena

$221+ Cheap flights from Philadelphia to Helena (PHL - HLN)

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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — HLN
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap flight deals from Philadelphia to Helena

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Helena (HLN). 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 July 29, 2025.

Round-trip from

$441
(Delta)

One-way from

$221
(Hawaiian Airlines)
From Philadelphia to Helena
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One-way flight from Philadelphia to Helena
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Find flight deals from Philadelphia to Helena

Cheapest flights from Philadelphia to Helena
Explore the most affordable flight options available from Philadelphia to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This Delta deal was found by Cheapflights users on 7/28. 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 8/235:00 pmPHL - HLN
1 stop7h 13mDelta
Sat 8/305:50 amHLN - PHL
1 stop8h 00mDelta
Deal found 7/28$441
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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.
Wed 9/107:22 amPHL - HLN
1 stop9h 59mAlaska Airlines
Wed 9/174:02 pmHLN - PHL
1 stop12h 00mAlaska Airlines
Deal found 7/29$480
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/108:00 amPHL - HLN
1 stop10h 04mUnited Airlines
Wed 9/175:20 pmHLN - PHL
2 stops14h 13mUnited Airlines
Deal found 7/29$603

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to Helena 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 July 29, 2025.
Use the filters below to find and compare flights from Philadelphia to Helena that are best for you.

Fly from

Philadelphia

Fly to

Helena

Route

Depart

Return

Price

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Sat 8/23

5:00 pm-10:13 pm

1 stop7h 13m

Helena

Sat 8/30

5:50 am-3:50 pm

1 stop8h 00m

$441

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Wed 9/10

7:22 am-3:21 pm

1 stop9h 59m

Helena

Wed 9/17

4:02 pm-6:02 am

1 stop12h 00m

$480

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Wed 9/10

8:00 am-4:04 pm

1 stop10h 04m

Helena

Wed 9/17

5:20 pm-9:33 am

2 stops14h 13m

$603

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Wed 9/17

7:22 am-3:21 pm

1 stop9h 59m

$221

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Wed 9/17

2:15 pm-3:21 pm

2 stops27h 06m

$344

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Mon 8/18

7:00 am-12:20 pm

1 stop7h 20m

$390

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Fri 8/1

6:52 pm-9:15 pm

3 stops28h 23m

$855

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Philadelphia to Helena

Have a flexible travel schedule? Discover the best time to fly to Helena from Philadelphia 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 Philadelphia to Helena

What is the cheapest month to book a flight from Philadelphia to Helena?

Currently, February is the cheapest month in which you can book a flight from Philadelphia to Helena (average of $353). Flying from Philadelphia to Helena in May is currently the most expensive (average of $517). 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.

Reviews of airlines servicing Helena

Get insights into the airlines that provide service to Helena. 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 Helena. Reviews last updated July 29, 2025.
Read through reviews of airlines operating flights from Philadelphia to Helena, such as Alaska Airlines, Delta, and Hawaiian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,977 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,605 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,899 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Helena. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Cheapflights users have booked flights from Philadelphia to Helena round-trip from $441. Other airlines that can offer you cheap pricing are Alaska Airlines, from $480, and United Airlines, from $603.

  • What are the cheapest airlines to fly from Philadelphia to Helena one-way?

    To fly one-way, consider booking your trip with Hawaiian Airlines, which is currently one of the cheapest options available, starting at $221. Alaska Airlines flights start at $344 while deals on Delta start at $390 one-way.

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

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

  • How can I find direct flights from Philadelphia to Helena?

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

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

    Yes. Cheapflights offers flight deals from Philadelphia 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.

  • What is the cheapest month to book a flight from Philadelphia to Helena?

    Currently, February is the cheapest month in which you can book a flight from Philadelphia to Helena (average of $353). Flying from Philadelphia to Helena in May is currently the most expensive (average of $517). 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

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Top airline flying from Philadelphia to Helena

Discover the top airline that operate flights from Philadelphia to Helena. 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$596Average$752FlexibilityNo cancel feeOn-time69%

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