HLN - PHL

$359 Find Cheap Flights from Helena to Philadelphia - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$359
Typical prices: $398-$655
United Airlines
Fri 10/26Fri 11/9
HLN - PHL • 1 stop
When to travel
October
Cheapest • 40% price drop
October
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Salt Lake City (SLC)
Cheapest • Avg $580 (round-trip)
Denver Intl (DEN)
Shortest trip • 7h 29m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Helena to Philadelphia (HLN-PHL)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Helena to Philadelphia

Mon, Oct 26 - Mon, Nov 9
United Airlines Logo
2:23 pm - 11:39 pmHLN  Helena-PHL Philadelphia
7h 16m1 stop Denver Intl
United Airlines Logo
7:45 am - 1:40 pmPHL  Philadelphia-HLN Helena
7h 55m1 stop Denver Intl
$359United Airlines
Sat, Nov 14 - Tue, Nov 17
Alaska Airlines Logo
4:41 pm - 5:32 amHLN  Helena-PHL Philadelphia
10h 51m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:02 am - 4:04 pmPHL  Philadelphia-HLN Helena
11h 02m1 stop Seattle/Tacoma Intl
$359Alaska Airlines
Mon, Oct 26 - Mon, Nov 9
United Airlines Logo
2:23 pm - 11:39 pmHLN  Helena-PHL Philadelphia
7h 16m1 stop Denver Intl
United Airlines Logo
10:54 am - 9:31 pmPHL  Philadelphia-HLN Helena
12h 37m2 stops Chicago O'Hare Intl Denver Intl
$364United Airlines
Sat, Nov 14 - Tue, Nov 17
Alaska Airlines Logo
4:41 pm - 5:32 amHLN  Helena-PHL Philadelphia
10h 51m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:02 am - 4:04 pmPHL  Philadelphia-HLN Helena
11h 02m1 stop Seattle/Tacoma Intl
$379Alaska Airlines
Tue, Oct 13 - Tue, Oct 20
Delta Logo
1:08 pm - 12:56 amHLN  Helena-PHL Philadelphia
9h 48m2 stops Salt Lake City Atlanta Hartsfield-Jackson
Delta Logo
7:20 am - 12:28 pmPHL  Philadelphia-HLN Helena
7h 08m1 stop Salt Lake City
$384Delta
Thu, Nov 12 - Sun, Nov 15
Alaska Airlines Logo
4:41 pm - 5:32 amHLN  Helena-PHL Philadelphia
10h 51m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:02 am - 4:04 pmPHL  Philadelphia-HLN Helena
11h 02m1 stop Seattle/Tacoma Intl
$397Alaska Airlines
Tue, Oct 13 - Wed, Oct 21
Delta Logo
1:08 pm - 12:56 amHLN  Helena-PHL Philadelphia
9h 48m2 stops Salt Lake City Atlanta Hartsfield-Jackson
Delta Logo
7:20 am - 12:28 pmPHL  Philadelphia-HLN Helena
7h 08m1 stop Salt Lake City
$419Delta
Thu, Nov 12 - Sun, Nov 15
Delta Logo
1:07 pm - 12:54 amHLN  Helena-PHL Philadelphia
9h 47m2 stops Salt Lake City Atlanta Hartsfield-Jackson
Delta Logo
7:15 am - 12:27 pmPHL  Philadelphia-HLN Helena
7h 12m1 stop Salt Lake City
$429Delta
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
6:28 am - 3:46 pmHLN  Helena-PHL Philadelphia
7h 18m1 stop Denver Intl
United Airlines Logo
10:30 am - 9:31 pmPHL  Philadelphia-HLN Helena
13h 01m2 stops Washington, D.C. Dulles Intl Denver Intl
$464United Airlines
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
2:23 pm - 11:39 pmHLN  Helena-PHL Philadelphia
7h 16m1 stop Denver Intl
United Airlines Logo
10:54 am - 9:31 pmPHL  Philadelphia-HLN Helena
12h 37m2 stops Chicago O'Hare Intl Denver Intl
$484United Airlines
Booking Insights

Price, demand and travel trends for Helena to Philadelphia flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Helena to Philadelphia with more confidence.

How much is a round-trip flight from Helena to Philadelphia?

Round-trip flights from Helena to Philadelphia start at $359. Prices are below average for this route right now, with typical round-trip fares ranging from $398 to $655. The lowest price found in the past 5 days was $359 on United Airlines.

Find deals

Key details for Helena to Philadelphia flights

Low season

January
Best time to beat the crowds with an average 12% drop in price.
Most popular time to fly and prices are also 40% lower on average.

When to book flights from Helena to Philadelphia

Are your dates flexible? Find out the best times to travel from Helena to Philadelphia based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Helena to Philadelphia flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Helena to Philadelphia?

    Flights from Helena to Philadelphia usually depart from Helena (HLN) and arrive at Philadelphia (PHL).

  • What cabin classes can I book on flights from Helena to Philadelphia?

    Only Economy Class is available on flights from Helena to Philadelphia.

  • Which airports do connecting flights from Helena to Philadelphia pass through?

    Connecting flights from Helena to Philadelphia most commonly pass through:

    • Denver Intl (DEN) - 68% of one-stop connections
    • Salt Lake City (SLC) - 32% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

  • Can I save money by using flexible dates for flights from Helena to Philadelphia?

    Yes. Being flexible with your travel dates can save you up to 48% on the Helena to Philadelphia route. Wednesday is the cheapest departure day at $422 round-trip on average, while Monday is the most expensive at $801, a difference of $379. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Philadelphia?

    Some of the most popular sights in Philadelphia are Philadelphia Convention Center, Rittenhouse Square and Philadelphia Stadium. These are among the most viewed places in Philadelphia on KAYAK.

  • How long is a flight from Helena to Philadelphia?

    There are currently no nonstop flights available from Helena to Philadelphia. Flights with 1 layover take between 7h 29m and 8h 13m in total, depending on the connection.

  • Do I need a passport to fly from Helena to Philadelphia?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Helena to Philadelphia changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $359 to $1,068. That means the highest observed fare was about 3x higher than the lowest one.

  • How much time can I save by choosing a different layover airport from Helena to Philadelphia?

    Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 7h 29m, compared with 8h 13m via Salt Lake City (SLC).

  • What is the time difference between Helena and Philadelphia?

    Philadelphia is 2 hours ahead of Helena (Eastern Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Philadelphia Airport (PHL)?

    Philadelphia Airport (PHL) hosts 5 major car rental companies, with daily rates starting from around $28 for economy cars. Top options include:
    • Payless
    • Dollar
    • Hertz
    • Thrifty
    • Budget

  • How much should I expect to pay for a Helena to Philadelphia flight?

    Round-trip flights from Helena to Philadelphia range from $398 to $655, with an average of $588 over the past 12 months. Anything below $398 counts as a good deal.

Your guide to booking Helena to Philadelphia flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Monday. On this route, Wednesday flights average $422 - about $379 less than Monday (47% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Helena to Philadelphia trip for October. Fares historically average $354 round-trip in that month - typically $640 less than the most expensive month, which is April (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Philadelphia Airport.
    - Embassy Suites by Hilton Philadelphia Airport
    - DoubleTree by Hilton Philadelphia Airport
    - Microtel Inn & Suites by Wyndham Philadelphia Airport

More options for your flight from Helena to Philadelphia

Complete your trip to Philadelphia with a hotel stay or car rental

Car rentals in Philadelphia
Hotels in Philadelphia
Vacations in Philadelphia