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Helena

$268+ 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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — HLN
Mar 28 — Apr 41
Sat 3/28
Sat 4/4
1 adult, Economy
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Cheap 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 February 26, 2026.

This United Airlines deal was found by Cheapflights users on 2/23. 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.
Tue 10/273:30 pm
PHL
-
HLN
1 stop7h 29m
United Airlines
Sat 10/312:30 pm
HLN
-
PHL
1 stop6h 16m
United Airlines
Deal found 2/23$399
This United Airlines deal was found by Cheapflights users on 2/25. 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.
Thu 3/129:55 am
PHL
-
HLN
2 stops13h 30m
United Airlines
Mon 3/162:30 pm
HLN
-
PHL
1 stop7h 02m
United Airlines
Deal found 2/25$400
This Alaska Airlines deal was found by Cheapflights users on 2/23. 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 5/126:58 pm
PHL
-
HLN
1 stop23h 08m
Alaska Airlines
Sun 5/174:43 pm
HLN
-
PHL
1 stop10h 52m
Alaska Airlines
Deal found 2/23$439
This Alaska Airlines deal was found by Cheapflights users on 2/22. 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.
Sun 6/147:35 am
PHL
-
HLN
1 stop11h 14m
Alaska Airlines
Fri 6/195:26 pm
HLN
-
PHL
1 stop10h 49m
Alaska Airlines
Deal found 2/22$459
This Alaska Airlines deal was found by Cheapflights users on 2/24. 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 6/244:23 pm
PHL
-
HLN
1 stop26h 26m
Alaska Airlines
Tue 6/305:26 pm
HLN
-
PHL
1 stop10h 49m
Alaska Airlines
Deal found 2/24$531
This Expedia deal was found by Cheapflights users on 2/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/14:23 pm
PHL
-
HLN
1 stop26h 26m
Alaska Airlines
Sun 8/95:26 pm
HLN
-
PHL
1 stop10h 49m
Alaska Airlines
Deal found 2/26$544
This Alaska Airlines deal was found by Cheapflights users on 2/24. 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.
Sun 4/267:22 am
PHL
-
HLN
1 stop12h 23m
Alaska Airlines
Fri 5/16:22 pm
HLN
-
PHL
2 stops15h 17m
Alaska Airlines
Deal found 2/24$554
This Alaska Airlines deal was found by Cheapflights users on 2/23. 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 8/85:43 pm
PHL
-
HLN
2 stops25h 06m
Alaska Airlines
Sat 8/155:26 pm
HLN
-
PHL
1 stop10h 49m
Alaska Airlines
Deal found 2/23$569

Find 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 February 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$400
(United Airlines)

One-way from

$268
(Delta)

Popular in

January

Cheapest in

December

Average price

$755
Provider with most accurate pricing for Philadelphia-Helena flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Helena flights.
Search Deals
From Philadelphia to Helena
Search Deals
One-way flight from Philadelphia to Helena
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 26, 2026.
Use the filters below to find and compare flights from Philadelphia to Helena that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Thu 3/12

9:55 am-9:25 pm

2 stops13h 30m

Helena

Mon 3/16

2:30 pm-11:32 pm

1 stop7h 02m

$400

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Tue 5/12

6:58 pm-4:06 pm

1 stop23h 08m

Helena

Sun 5/17

4:43 pm-5:35 am

1 stop10h 52m

$439

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Sat 8/8

4:23 pm-4:49 pm

1 stop26h 26m

Helena

Sat 8/15

5:26 pm-6:15 am

1 stop10h 49m

$439

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Wed 6/24

4:23 pm-4:49 pm

1 stop26h 26m

Helena

Tue 6/30

5:26 pm-6:15 am

1 stop10h 49m

$531

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Sat 8/1

5:43 pm-4:49 pm

2 stops25h 06m

Helena

Sun 8/9

5:26 pm-6:15 am

1 stop10h 49m

$601

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Fri 3/13

3:30 pm-9:25 pm

1 stop7h 55m

Helena

Tue 3/17

2:30 pm-11:32 pm

1 stop7h 02m

$602

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Sun 8/16

7:00 am-12:23 pm

1 stop7h 23m

Helena

Fri 8/21

5:45 am-8:33 pm

2 stops12h 48m

$662

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Sun 8/16

7:35 am-4:49 pm

1 stop11h 14m

Helena

Fri 8/21

4:08 pm-4:56 pm

1 stop22h 48m

$673

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Fri 5/29

7:25 am-12:23 pm

1 stop6h 58m

$268

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Fri 7/3

4:23 pm-4:49 pm

1 stop26h 26m

$310

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/26

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Compare providers for flights from Philadelphia to Helena

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Helena in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Philadelphia-Helena flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Helena flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-Helena flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-Helena flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-Helena flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, June is the cheapest month in which you can book a flight from Philadelphia to Helena (average of $133). Flying from Philadelphia to Helena in February is currently the most expensive (average of $250). 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 February 26, 2026.
Read through reviews of airlines operating flights from Philadelphia to Helena, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,349 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,349 reviews
United Airlines
7.4
Good
9,349 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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.

  • How long is the flight from Philadelphia to Helena?

    United Airlines and Alaska Airlines can get you from Philadelphia to Helena in just under 13h 30m. Your travel time can differ by up to 9h 38m. The distance between Philadelphia and Helena is about 1887 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Philadelphia to Helena round-trip?

    Cheapflights users have booked flights from Philadelphia to Helena round-trip from $511. United Airlines is 27% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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, June is the cheapest month in which you can book a flight from Philadelphia to Helena (average of $133). Flying from Philadelphia to Helena in February is currently the most expensive (average of $250). 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

Browse thousands of different options on Cheapflights for your next trip

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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 February 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$511Average$752FlexibilityNo cancel feeOn-time69%

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