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Cheap flights from Philadelphia to Helena from $200

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Helena departing on 3/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Philadelphia to Helena

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:06 am - 9:16 pm
PHL
-
HLN
13h 10m
2 stops
United Airlines Logo
2:25 pm - 11:23 pm
HLN
-
PHL
6h 58m
1 stop
$444United Airlines
Tue, Feb 17 - Sat, Feb 21
Alaska Airlines Logo
6:47 pm - 5:45 pm
PHL
-
HLN
24h 58m
1 stop
Alaska Airlines Logo
6:22 pm - 5:47 pm
HLN
-
PHL
21h 25m
1 stop
$453Alaska Airlines
Tue, Apr 7 - Fri, Apr 17
Delta Logo
7:00 am - 12:21 pm
PHL
-
HLN
7h 21m
1 stop
Delta Logo
5:40 am - 6:08 pm
HLN
-
PHL
10h 28m
2 stops
$469Delta
Tue, Apr 7 - Fri, Apr 17
United Airlines Logo
3:55 pm - 9:05 pm
PHL
-
HLN
7h 10m
1 stop
United Airlines Logo
2:20 pm - 11:34 pm
HLN
-
PHL
7h 14m
1 stop
$532United Airlines
Fri, Jul 24 - Tue, Jul 28
Alaska Airlines Logo
6:47 pm - 5:45 pm
PHL
-
HLN
24h 58m
1 stop
Alaska Airlines Logo
6:22 pm - 6:05 am
HLN
-
PHL
9h 43m
1 stop
$539Alaska Airlines
Mon, Apr 6 - Thu, Apr 9
Delta Logo
12:26 pm - 10:30 pm
PHL
-
HLN
12h 04m
2 stops
Delta Logo
5:40 am - 6:08 pm
HLN
-
PHL
10h 28m
2 stops
$559Delta
Tue, Apr 7 - Fri, Apr 17
United Airlines Logo
10:06 am - 9:16 pm
PHL
-
HLN
13h 10m
2 stops
United Airlines Logo
6:15 am - 5:14 pm
HLN
-
PHL
8h 59m
2 stops
$567United Airlines
Tue, Feb 17 - Sat, Feb 21
Alaska Airlines Logo
7:10 am - 4:22 pm
PHL
-
HLN
11h 12m
1 stop
Alaska Airlines Logo
4:59 pm - 5:50 am
HLN
-
PHL
10h 51m
1 stop
$624Alaska Airlines
Wed, Jun 24 - Tue, Jun 30
United Airlines Logo
3:37 pm - 9:16 pm
PHL
-
HLN
7h 39m
1 stop
United Airlines Logo
2:25 pm - 11:23 pm
HLN
-
PHL
6h 58m
1 stop
$637United Airlines
Tue, Feb 17 - Sat, Feb 21
United Airlines Logo
4:55 pm - 1:39 pm
PHL
-
HLN
22h 44m
2 stops
United Airlines Logo
2:25 pm - 11:43 pm
HLN
-
PHL
7h 18m
1 stop
$708United Airlines
Mon, Apr 6 - Thu, Apr 9

United Airlines flights from Philadelphia to Helena

Our best United Airlines deals on Philadelphia to Helena flight tickets
United Airlines
Feb 17
PHL10:06 amPhiladelphia
13h 10m
2 stops
HLN9:16 pmHelena
Feb 21
HLN2:25 pmHelena
6h 58m
1 stop
PHL11:23 pmPhiladelphia
$444
United Airlines
Jul 24
PHL3:55 pmPhiladelphia
7h 10m
1 stop
HLN9:05 pmHelena
Jul 28
HLN2:20 pmHelena
7h 14m
1 stop
PHL11:34 pmPhiladelphia
$532
United Airlines
Feb 17
PHL10:06 amPhiladelphia
13h 10m
2 stops
HLN9:16 pmHelena
Feb 21
HLN6:15 amHelena
8h 59m
2 stops
PHL5:14 pmPhiladelphia
$567

Alaska Airlines flights from Philadelphia to Helena

Our best Alaska Airlines deals on Philadelphia to Helena flight tickets
Alaska Airlines
Apr 7
PHL6:47 pmPhiladelphia
24h 58m
1 stop
HLN5:45 pmHelena
Apr 17
HLN6:22 pmHelena
21h 25m
1 stop
PHL5:47 pmPhiladelphia
$453
Alaska Airlines
Apr 6
PHL6:47 pmPhiladelphia
24h 58m
1 stop
HLN5:45 pmHelena
Apr 9
HLN6:22 pmHelena
9h 43m
1 stop
PHL6:05 amPhiladelphia
$539
Alaska Airlines
Jun 24
PHL7:10 amPhiladelphia
11h 12m
1 stop
HLN4:22 pmHelena
Jun 30
HLN4:59 pmHelena
10h 51m
1 stop
PHL5:50 amPhiladelphia
$624

momondo 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, momondo users made 832,500 searches. Data last updated February 4, 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

Tue 2/17

10:06 am-9:16 pm

2 stops13h 10m

Helena

Sat 2/21

2:25 pm-11:23 pm

1 stop6h 58m

$444

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Tue 4/7

6:47 pm-5:45 pm

1 stop24h 58m

Helena

Fri 4/17

6:22 pm-5:47 pm

1 stop21h 25m

$453

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Tue 4/7

7:00 am-12:21 pm

1 stop7h 21m

Helena

Fri 4/17

5:40 am-6:08 pm

2 stops10h 28m

$469

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Fri 7/24

3:55 pm-9:05 pm

1 stop7h 10m

Helena

Tue 7/28

2:20 pm-11:34 pm

1 stop7h 14m

$532

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Mon 4/6

6:47 pm-5:45 pm

1 stop24h 58m

Helena

Thu 4/9

6:22 pm-6:05 am

1 stop9h 43m

$539

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Tue 4/7

12:26 pm-10:30 pm

2 stops12h 04m

Helena

Fri 4/17

5:40 am-6:08 pm

2 stops10h 28m

$559

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Tue 2/17

10:06 am-9:16 pm

2 stops13h 10m

Helena

Sat 2/21

6:15 am-5:14 pm

2 stops8h 59m

$567

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Wed 6/24

7:10 am-4:22 pm

1 stop11h 12m

Helena

Tue 6/30

4:59 pm-5:50 am

1 stop10h 51m

$624

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Tue 2/17

3:37 pm-9:16 pm

1 stop7h 39m

Helena

Sat 2/21

2:25 pm-11:23 pm

1 stop6h 58m

$637

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Mon 4/6

4:55 pm-1:39 pm

2 stops22h 44m

Helena

Thu 4/9

2:25 pm-11:43 pm

1 stop7h 18m

$708

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Helena from

How to get the cheapest flight ticket from Philadelphia to Helena

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Philadelphia to Helena?

Alaska Airlines, United Airlines, and Delta are the most popular carriers operating from Philadelphia to Helena

What airlines fly to Helena?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Helena from Philadelphia according to our data. United Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Helena. Keep in mind that there are 8 different airlines that fly to Helena on a routine basis, so you have a few additional options to choose from.

When to book flights from Philadelphia to Helena

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Helena according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Philadelphia to Helena (PHL to HLN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Helena

Fastest flight time

7h 53m

Direct flights

None
The fastest flight from Philadelphia to Helena takes 7h 53m
There are no direct flights from Philadelphia to Helena. There are no popular flight routes from Philadelphia to Helena.
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  • How far is Philadelphia to Helena by plane?

    The distance between Philadelphia and Helena is about 1891.3 mi. In terms of flight time, this usually takes a little over 7h 53m.

  • When did momondo last update prices for flights from Philadelphia Airport to Helena Airport?

    Prices for flights from Philadelphia Airport to Helena Airport were last updated today.

  • How many operators does momondo search for flights from Philadelphia Airport to Helena Airport?

  • How old do you have to be to fly from Philadelphia Airport to Helena Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Helena Airport.

  • What documentation or ID do you need to fly to Helena Airport?

    The required travel and health documents for your Helena Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Helena Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Philadelphia to Helena?

Best airlines flying from Philadelphia to Helena

Compare and see reviews for airlines that fly from Philadelphia to Helena with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $511Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Helena?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Philadelphia to Helena. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Philadelphia to Helena with flexible booking policies on momondo?

momondo does allow users to show only those flights to Helena from Philadelphia which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Philadelphia to Helena?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Philadelphia to Helena.

I’m not ready to book a flight from Philadelphia to Helena right now. Can momondo alert me if prices change?

Price alerts on flights to Helena from Philadelphia are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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