$195+ 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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — HLN
Sep 25 — Oct 21
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
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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 August 26, 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 August 26, 2026.
This United Airlines deal was found by Cheapflights users on 8/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/83:48 pm -
1 stop7h 42m
Sat 9/122:26 pm -
1 stop7h 18m
Deal found 8/24![United Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 8/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:00 am -
1 stop7h 48m
Sat 10/102:30 pm -
1 stop6h 50m
Deal found 8/22![United Airlines logo]()
$448
This Delta deal was found by Cheapflights users on 8/21. 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 9/157:20 am -
1 stop6h 57m
Wed 9/2312:57 pm -
2 stops14h 53m
Deal found 8/21![Delta logo]()
$492
This Expedia deal was found by Cheapflights users on 8/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:00 am -
1 stop11h 41m
Sat 10/105:26 pm -
1 stop22h 12m
Deal found 8/22![Alaska Airlines logo]()
$552
This Expedia deal was found by Cheapflights users on 8/21. 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.
Tue 9/157:00 am -
1 stop11h 41m
Wed 9/235:18 pm -
1 stop10h 22m
Deal found 8/21![Alaska Airlines logo]()
$599
This Delta deal was found by Cheapflights users on 8/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/305:45 am -
2 stops8h 32m
Sat 10/101:08 pm -
2 stops14h 36m
Deal found 8/22![Delta logo]()
$628
This United Airlines deal was found by Cheapflights users on 8/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:00 am -
1 stop7h 45m
Sun 9/206:15 am -
1 stop7h 38m
Deal found 8/24![United Airlines logo]()
$679
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 August 26, 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 August 26, 2026.
This United Airlines deal was found by Cheapflights users on 8/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/81:30 pm -
2 stops10h 00m
Sat 9/122:26 pm -
1 stop7h 18m
Deal found 8/24![United Airlines logo]()
$434
This Delta deal was found by Cheapflights users on 8/21. 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 9/157:20 am -
1 stop6h 57m
Wed 9/2312:57 pm -
2 stops14h 53m
Deal found 8/21![Delta logo]()
$492
This United Airlines deal was found by Cheapflights users on 8/25. 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.
Sat 1/98:00 am -
1 stop7h 27m
Tue 1/122:30 pm -
1 stop6h 16m
Deal found 8/25![United Airlines logo]()
$459
Last-minute flights from Philadelphia to HelenaDiscover last-minute flight deals from Philadelphia to Helena. Data last updated August 26, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Helena. Data last updated August 26, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/83:48 pm -
1 stop7h 42m
Sat 9/122:26 pm -
1 stop7h 18m
Deal found 8/24![United Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 8/21. 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 9/157:20 am -
1 stop6h 57m
Wed 9/2312:57 pm -
2 stops14h 53m
Deal found 8/21![Delta logo]()
$492
This Expedia deal was found by Cheapflights users on 8/21. 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.
Tue 9/157:00 am -
1 stop11h 41m
Wed 9/235:18 pm -
1 stop10h 22m
Deal found 8/21![Alaska Airlines logo]()
$599
This United Airlines deal was found by Cheapflights users on 8/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:00 am -
1 stop7h 45m
Sun 9/206:15 am -
1 stop7h 38m
Deal found 8/24![United Airlines logo]()
$679
This United Airlines deal was found by Cheapflights users on 8/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:00 am -
1 stop7h 48m
Sat 10/102:30 pm -
1 stop6h 50m
Deal found 8/22![United Airlines logo]()
$448
This Expedia deal was found by Cheapflights users on 8/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:00 am -
1 stop11h 41m
Sat 10/105:26 pm -
1 stop22h 12m
Deal found 8/22![Alaska Airlines logo]()
$552
This Delta deal was found by Cheapflights users on 8/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/305:45 am -
2 stops8h 32m
Sat 10/101:08 pm -
2 stops14h 36m
Deal found 8/22![Delta logo]()
$628
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 August 26, 2026.
Search for one-way flight options from Philadelphia to Helena. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.
This Delta deal was found by Cheapflights users on 8/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:15 am -
1 stop7h 12m
Deal found 8/22![Delta logo]()
$195
This Delta deal was found by Cheapflights users on 8/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:20 am -
1 stop6h 57m
Deal found 8/23![Delta logo]()
$351
This United Airlines deal was found by Cheapflights users on 8/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/208:00 am -
1 stop7h 45m
Deal found 8/24![United Airlines logo]()
$371
This Alaska Airlines deal was found by Cheapflights users on 8/22. 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.
Thu 9/177:00 am -
1 stop11h 41m
Deal found 8/22![Alaska Airlines logo]()
$408
This United Airlines deal was found by Cheapflights users on 8/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:40 pm -
2 stops27h 50m
Deal found 8/22![United Airlines logo]()
$515
This United Airlines deal was found by Cheapflights users on 8/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:46 pm -
3 stops20h 54m
Deal found 8/22![United Airlines logo]()
$575
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/208:41 am -
3 stops58h 00m
Deal found 8/24![Multiple Airlines logo]()
$641
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 August 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $429 (United Airlines) |
One-way from | $195 (Delta) |
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 7,457,451 searches. Data last updated August 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
Cheapest round-trip
PhiladelphiaHelena
PHL Philadelphia - HLN Helena
PHLHLN
Philadelphia
Tue 9/8
1:30 pm-9:30 pm
2 stops10h 00m
Helena
Sat 9/12
2:26 pm-11:44 pm
1 stop7h 18m
$434
Quickest round-trip
PhiladelphiaHelena
PHL Philadelphia - HLN Helena
PHLHLN
Philadelphia
Sat 1/9
8:00 am-1:27 pm
1 stop7h 27m
Helena
Tue 1/12
2:30 pm-10:46 pm
1 stop6h 16m
$459
PhiladelphiaHelena
PHL Philadelphia - HLN Helena
PHLHLN
Philadelphia
Tue 9/15
7:20 am-12:17 pm
1 stop6h 57m
Helena
Wed 9/23
12:57 pm-5:50 am
2 stops14h 53m
$492
Cheapest one-way
PhiladelphiaHelena
PHL Philadelphia - HLN Helena
PHLHLN
Philadelphia
Sat 11/14
12:20 pm-10:32 pm
2 stops12h 12m
$200
PhiladelphiaHelena
PHL Philadelphia - HLN Helena
PHLHLN
Philadelphia
Fri 11/13
5:15 am-12:27 pm
2 stops9h 12m
$200
Quickest one-way
PhiladelphiaHelena
PHL Philadelphia - HLN Helena
PHLHLN
Philadelphia
Wed 9/23
7:20 am-12:17 pm
1 stop6h 57m
$351
PhiladelphiaHelena
PHL Philadelphia - HLN Helena
PHLHLN
Philadelphia
Sun 9/20
8:00 am-1:45 pm
1 stop7h 45m
$371
PhiladelphiaHelena
PHL Philadelphia - HLN Helena
PHLHLN
Philadelphia
Thu 9/17
7:00 am-4:41 pm
1 stop11h 41m
$408
PhiladelphiaHelena
PHL Philadelphia - HLN Helena
PHLHLN
Philadelphia
Sat 11/14
6:46 pm-1:40 pm
3 stops20h 54m
$575
PhiladelphiaHelena
PHL Philadelphia - HLN Helena
PHLHLN
Philadelphia
Thu 9/17
6:00 am-1:45 pm
3 stops33h 45m
$584
Sorted 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 August.
| 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.
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 August 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.
Comfort
7.3
Food
6.7
Boarding
7.7
Crew
8.1
Entertainment
7.1
Overall
7.4
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Comfort
7.3
Food
6.7
Boarding
7.7
Crew
8.1
Entertainment
7.1
Overall
7.4
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
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.
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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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Find flights from Philadelphia to Helena, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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 August 26, 2026.
Philadelphia and Helena flights
Browse other Philadelphia and Helena flight options. Last updated on August 26, 2026.
Other flights from Philadelphia
Browse through other flights departing from Philadelphia. Flights are based on user searches made on Cheapflights and were last updated on August 26, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated August 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$348 | Average$674 | FlexibilityNo cancel fee | On-time69% |