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$434+ Cheap flights from Helena to Philadelphia (HLN - PHL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — PHL
Jul 12 — Jul 191
Sat 7/12
Sat 7/19
1 adult, Economy
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Cheap flight deals from Helena to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Helena (HLN) to Philadelphia (PHL). 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 7, 2025.

Round-trip from

$434
(Delta)

Popular in

June

Cheapest in

July

Average price

$283
From Helena to Philadelphia
Search Deals
High demand for flights, 4% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Helena to Philadelphia

Cheapest flights from Helena to Philadelphia
Explore the most affordable flight options available from Helena to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 7, 2025.

This Delta deal was found by Cheapflights users on 7/7. 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.
Tue 9/235:45 amHLN - PHL
2 stops12h 08mDelta
Tue 9/307:00 amPHL - HLN
1 stop7h 20mDelta
Deal found 7/7$434
This Alaska Airlines deal was found by Cheapflights users on 7/5. 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 9/234:02 pmHLN - PHL
1 stop12h 00mAlaska Airlines
Tue 9/307:22 amPHL - HLN
1 stop9h 59mAlaska Airlines
Deal found 7/5$435
This United Airlines deal was found by Cheapflights users on 7/7. 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 9/232:30 pmHLN - PHL
1 stop6h 59mUnited Airlines
Tue 9/3010:00 amPHL - HLN
1 stop8h 40mUnited Airlines
Deal found 7/7$519

Cheapflights Fare Finder

Customize your flight search to find flights from Helena to Philadelphia 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 7, 2025.
Use the filters below to find and compare flights from Helena to Philadelphia that are best for you.

Fly from

Helena

Fly to

Philadelphia

Route

Depart

Return

Price

HelenaPhiladelphia

HLN - PHL

HLNPHL

Helena

Tue 9/23

5:45 am-7:53 pm

2 stops12h 08m

Philadelphia

Tue 9/30

7:00 am-12:20 pm

1 stop7h 20m

$434

HelenaPhiladelphia

HLN - PHL

HLNPHL

Helena

Tue 9/23

4:02 pm-6:02 am

1 stop12h 00m

Philadelphia

Tue 9/30

7:22 am-3:21 pm

1 stop9h 59m

$435

HelenaPhiladelphia

HLN - PHL

HLNPHL

Helena

Tue 9/23

2:30 pm-11:29 pm

1 stop6h 59m

Philadelphia

Tue 9/30

10:00 am-4:40 pm

1 stop8h 40m

$519

HelenaPhiladelphia

HLN - PHL

HLNPHL

Helena

Tue 9/23

5:45 am-6:06 pm

2 stops10h 21m

$455

HelenaPhiladelphia

HLN - PHL

HLNPHL

Helena

Tue 9/23

4:02 pm-6:02 am

1 stop12h 00m

$777

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/7

Best time to book a flight from Helena to Philadelphia

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

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

Currently, August is the cheapest month in which you can book a flight from Helena to Philadelphia (average of $236). Flying from Helena to Philadelphia in March is currently the most expensive (average of $295). 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 Philadelphia

Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated July 7, 2025.
Read through reviews of airlines operating flights from Helena to Philadelphia, such as Alaska Airlines, Delta, and United 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

Comfort

7.8

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,963 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,846 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Helena to Philadelphia. 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 Helena to Philadelphia round-trip?

    Our cheapest airline available from Helena to Philadelphia is Delta. Our recent data shows that you can find tickets from as low as $434 on this airline. Additional options worth looking into are Alaska Airlines and United Airlines, starting at $435 and $519 round-trip. Users have found that Delta is 25% cheaper than the other options available to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Helena to Philadelphia 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 Philadelphia?

    Currently, August is the cheapest month in which you can book a flight from Helena to Philadelphia (average of $236). Flying from Helena to Philadelphia in March is currently the most expensive (average of $295). 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 Helena?

Book flights to Helena if you plan to visit one of these locations
Vineland
Wildwood
King of Prussia
Cherry Hill
Pottstown
Ocean City
Chester
Essington
Exton
Reading
Newark
Millville
Ephrata
Camden
Dover
Elkton
Willow Grove
Glen Mills
Springfield
Phoenixville

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Alternative routes for Helena to Philadelphia

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Top 2 airlines flying from Helena to Philadelphia

Discover the top 2 airlines that operate flights from Helena to Philadelphia. 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 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$334Average$603FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$543Average$607FlexibilityNo cancel feeOn-time69%

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