$190+ 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
May 16 — May 231
Round-trip
1 adult, Economy
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Find cheap flights from Philadelphia to Helena with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Philadelphia to Helena
Cheapest
Best
Last-minute
One-way
Cheapest flights from Philadelphia to HelenaExplore 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 April 16, 2026.
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 April 16, 2026.
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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.
Sun 5/247:00 am
PHL
- HLN
1 stop11h 06m
Alaska Airlines
Wed 6/34:43 pm
HLN
- PHL
1 stop10h 52m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 4/12. 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 5/237:25 am
PHL
- HLN
1 stop6h 58m
Delta
Tue 5/265:45 am
HLN
- PHL
2 stops10h 21m
Delta
Deal found 4/12![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 4/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/245:45 am
PHL
- HLN
2 stops8h 38m
Delta
Wed 6/35:45 am
HLN
- PHL
2 stops14h 27m
Delta
Deal found 4/15![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 4/12. 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 5/237:25 am
PHL
- HLN
1 stop6h 58m
Delta
Wed 5/275:45 am
HLN
- PHL
2 stops10h 21m
Delta
Deal found 4/12![Delta logo]()
$399
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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.
Thu 5/287:00 am
PHL
- HLN
1 stop11h 06m
Alaska Airlines
Sun 5/314:43 pm
HLN
- PHL
1 stop10h 52m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 4/12. 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 5/237:25 am
PHL
- HLN
1 stop6h 58m
Delta
Thu 5/285:45 am
HLN
- PHL
1 stop9h 37m
Delta
Deal found 4/12![Delta logo]()
$424
This Delta deal was found by Cheapflights users on 4/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/245:45 am
PHL
- HLN
2 stops8h 38m
Delta
Sat 5/301:03 pm
HLN
- PHL
2 stops9h 54m
Delta
Deal found 4/15![Delta logo]()
$434
This Delta deal was found by Cheapflights users on 4/12. 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.
Fri 5/227:25 am
PHL
- HLN
1 stop6h 58m
Delta
Wed 5/275:45 am
HLN
- PHL
2 stops10h 21m
Delta
Deal found 4/12![Delta logo]()
$454
This Delta deal was found by Cheapflights users on 4/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/247:25 am
PHL
- HLN
1 stop6h 58m
Delta
Tue 6/21:03 pm
HLN
- PHL
2 stops14h 32m
Delta
Deal found 4/15![Delta logo]()
$456
This Expedia deal was found by Cheapflights users on 4/11. 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.
Mon 9/76:04 pm
PHL
- HLN
1 stop24h 37m
Alaska Airlines
Sat 9/125:18 pm
HLN
- PHL
1 stop10h 22m
Alaska Airlines
Deal found 4/11![Alaska Airlines logo]()
$459
Best flights from Philadelphia to HelenaDiscover carefully curated flight deals from Philadelphia to Helena that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 16, 2026.
Discover carefully curated flight deals from Philadelphia to Helena that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 16, 2026.
This Delta deal was found by Cheapflights users on 4/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:25 am
PHL
- HLN
1 stop6h 58m
Delta
Wed 6/35:45 am
HLN
- PHL
2 stops14h 27m
Delta
Deal found 4/15![Delta logo]()
$374
This Alaska Airlines deal was found by Cheapflights users on 4/12. 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 5/247:00 am
PHL
- HLN
1 stop11h 06m
Alaska Airlines
Tue 5/264:43 pm
HLN
- PHL
1 stop10h 52m
Alaska Airlines
Deal found 4/12![Alaska Airlines logo]()
$469
This Delta deal was found by Cheapflights users on 4/11. 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.
Mon 9/77:00 am
PHL
- HLN
1 stop7h 23m
Delta
Sat 9/1212:50 pm
HLN
- PHL
2 stops9h 37m
Delta
Deal found 4/11![Delta logo]()
$429
This Alaska Airlines deal was found by Cheapflights users on 4/12. 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 5/247:00 am
PHL
- HLN
1 stop11h 06m
Alaska Airlines
Thu 5/284:43 pm
HLN
- PHL
1 stop10h 52m
Alaska Airlines
Deal found 4/12![Alaska Airlines logo]()
$469
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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.
Tue 5/264:45 pm
PHL
- HLN
2 stops25h 21m
Alaska Airlines
Tue 6/24:43 pm
HLN
- PHL
1 stop10h 52m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$537
This Delta deal was found by Cheapflights users on 4/13. 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 6/95:40 am
PHL
- HLN
2 stops8h 40m
Delta
Tue 6/161:00 pm
HLN
- PHL
2 stops14h 45m
Delta
Deal found 4/13![Delta logo]()
$576
This Delta deal was found by Cheapflights users on 4/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/255:45 am
PHL
- HLN
2 stops8h 38m
Delta
Thu 5/281:03 pm
HLN
- PHL
2 stops9h 54m
Delta
Deal found 4/15![Delta logo]()
$617
This Alaska Airlines deal was found by Cheapflights users on 4/13. 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 5/77:22 am
PHL
- HLN
1 stop12h 23m
Alaska Airlines
Tue 5/126:22 pm
HLN
- PHL
1 stop9h 18m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$731
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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 7/197:33 am
PHL
- HLN
1 stop10h 59m
Alaska Airlines
Tue 7/215:09 pm
HLN
- PHL
1 stop11h 04m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$777
This Delta deal was found by Cheapflights users on 4/14. 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.
Sun 7/197:30 am
PHL
- HLN
1 stop6h 45m
Delta
Wed 7/2212:55 pm
HLN
- PHL
2 stops14h 58m
Delta
Deal found 4/14![Delta logo]()
$813
This Delta deal was found by Cheapflights users on 4/14. 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 6/47:25 am
PHL
- HLN
1 stop6h 58m
Delta
Mon 6/81:00 pm
HLN
- PHL
2 stops9h 59m
Delta
Deal found 4/14![Delta logo]()
$824
This Alaska Airlines deal was found by Cheapflights users on 4/12. 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 6/307:33 am
PHL
- HLN
1 stop10h 59m
Alaska Airlines
Mon 7/65:09 pm
HLN
- PHL
1 stop11h 04m
Alaska Airlines
Deal found 4/12![Alaska Airlines logo]()
$859
Last-minute flights from Philadelphia to HelenaDiscover last-minute flight deals from Philadelphia to Helena. Data last updated April 16, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Helena. Data last updated April 16, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/12. 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.
Fri 5/227:25 am
PHL
- HLN
1 stop6h 58m
Delta
Wed 5/275:45 am
HLN
- PHL
2 stops10h 21m
Delta
Deal found 4/12![Delta logo]()
$454
This Delta deal was found by Cheapflights users on 4/12. 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 5/237:25 am
PHL
- HLN
1 stop6h 58m
Delta
Tue 5/265:45 am
HLN
- PHL
2 stops10h 21m
Delta
Deal found 4/12![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 4/12. 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 5/237:25 am
PHL
- HLN
1 stop6h 58m
Delta
Wed 5/275:45 am
HLN
- PHL
2 stops10h 21m
Delta
Deal found 4/12![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 4/12. 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 5/237:25 am
PHL
- HLN
1 stop6h 58m
Delta
Thu 5/285:45 am
HLN
- PHL
1 stop9h 37m
Delta
Deal found 4/12![Delta logo]()
$424
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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.
Sun 5/247:00 am
PHL
- HLN
1 stop11h 06m
Alaska Airlines
Mon 6/14:43 pm
HLN
- PHL
1 stop10h 52m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 4/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/245:45 am
PHL
- HLN
2 stops8h 38m
Delta
Wed 6/35:45 am
HLN
- PHL
2 stops14h 27m
Delta
Deal found 4/15![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 4/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/247:25 am
PHL
- HLN
1 stop6h 58m
Delta
Sat 5/301:03 pm
HLN
- PHL
2 stops9h 54m
Delta
Deal found 4/15![Delta logo]()
$429
This Delta deal was found by Cheapflights users on 4/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/245:45 am
PHL
- HLN
2 stops8h 38m
Delta
Mon 6/15:45 am
HLN
- PHL
2 stops11h 42m
Delta
Deal found 4/15![Delta logo]()
$434
This Delta deal was found by Cheapflights users on 4/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/247:25 am
PHL
- HLN
1 stop6h 58m
Delta
Tue 6/21:03 pm
HLN
- PHL
2 stops14h 32m
Delta
Deal found 4/15![Delta logo]()
$456
This Delta deal was found by Cheapflights users on 4/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:45 am
PHL
- HLN
2 stops8h 38m
Delta
Sat 5/301:03 pm
HLN
- PHL
2 stops9h 54m
Delta
Deal found 4/15![Delta logo]()
$460
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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.
Thu 5/287:00 am
PHL
- HLN
1 stop11h 06m
Alaska Airlines
Wed 6/34:43 pm
HLN
- PHL
1 stop10h 52m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$419
One-way flights from Philadelphia to HelenaSearch for one-way flight options from Philadelphia to Helena. Find affordable one-way fares based on user searches. Data last updated April 16, 2026.
Search for one-way flight options from Philadelphia to Helena. Find affordable one-way fares based on user searches. Data last updated April 16, 2026.
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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.
Fri 5/297:16 pm
PHL
- HLN
1 stop22h 50m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$190
This Delta deal was found by Cheapflights users on 4/13. 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.
Fri 5/297:25 am
PHL
- HLN
1 stop6h 58m
Delta
Deal found 4/13![Delta logo]()
$288
This United Airlines deal was found by Cheapflights users on 4/13. 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.
Fri 5/296:00 am
PHL
- HLN
3 stops33h 33m
United Airlines
Deal found 4/13![United Airlines logo]()
$382
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 April 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $369 (Alaska Airlines) |
One-way from | $190 (Alaska Airlines) |
Popular in | January |
Cheapest in | April |
Average price | $440 |
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 April 16, 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
Cheapest round-trip
PhiladelphiaHelena
PHL - HLN
PHLHLN
Philadelphia
Thu 5/28
7:25 am-12:23 pm
1 stop6h 58m
Helena
Wed 6/3
5:45 am-10:12 pm
2 stops14h 27m
$374
PhiladelphiaHelena
PHL - HLN
PHLHLN
Philadelphia
Mon 9/7
7:00 am-12:23 pm
1 stop7h 23m
Helena
Sat 9/12
12:50 pm-12:27 am
2 stops9h 37m
$429
PhiladelphiaHelena
PHL - HLN
PHLHLN
Philadelphia
Sun 5/24
7:00 am-4:06 pm
1 stop11h 06m
Helena
Tue 5/26
4:43 pm-5:35 am
1 stop10h 52m
$469
PhiladelphiaHelena
PHL - HLN
PHLHLN
Philadelphia
Sun 5/24
7:00 am-4:06 pm
1 stop11h 06m
Helena
Thu 5/28
4:43 pm-5:35 am
1 stop10h 52m
$469
PhiladelphiaHelena
PHL - HLN
PHLHLN
Philadelphia
Tue 5/26
4:45 pm-4:06 pm
2 stops25h 21m
Helena
Tue 6/2
4:43 pm-5:35 am
1 stop10h 52m
$537
PhiladelphiaHelena
PHL - HLN
PHLHLN
Philadelphia
Tue 6/9
5:40 am-12:20 pm
2 stops8h 40m
Helena
Tue 6/16
1:00 pm-5:45 am
2 stops14h 45m
$576
PhiladelphiaHelena
PHL - HLN
PHLHLN
Philadelphia
Mon 5/25
5:45 am-12:23 pm
2 stops8h 38m
Helena
Thu 5/28
1:03 pm-12:57 am
2 stops9h 54m
$617
PhiladelphiaHelena
PHL - HLN
PHLHLN
Philadelphia
Thu 5/7
7:22 am-5:45 pm
1 stop12h 23m
Helena
Tue 5/12
6:22 pm-5:40 am
1 stop9h 18m
$731
PhiladelphiaHelena
PHL - HLN
PHLHLN
Philadelphia
Sun 7/19
7:33 am-4:32 pm
1 stop10h 59m
Helena
Tue 7/21
5:09 pm-6:13 am
1 stop11h 04m
$777
PhiladelphiaHelena
PHL - HLN
PHLHLN
Philadelphia
Sun 7/19
7:30 am-12:15 pm
1 stop6h 45m
Helena
Wed 7/22
12:55 pm-5:53 am
2 stops14h 58m
$813
Showing 1-10 of 15 resultsSorted by cheapest first
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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
PHL-HLN
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 $255). 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.
How much does it cost to fly round-trip from Philadelphia to Helena?
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 April 16, 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.
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Overall
7.4
Food
6.6
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Overall
7.4
Food
6.6
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Complete your trip
Complete your trip to Helena by adding a car rental and/or hotel reservation to your travel itinerary.
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Other flights to Helena
Explore flights to Helena departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 16, 2026.
Philadelphia and Helena flights
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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 April 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$508 | Average$717 | FlexibilityNo cancel fee | On-time69% |