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

United Airlines is the most popular carrier 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 50% 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 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?

As of December 2025, there is 1 operator available to choose from 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.

$382 Cheap Flights from Philadelphia to Helena in 2025/26

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Find the cheapest flights from Philadelphia to Helena

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:06 pm - 6:11 pm

PHL

HLN

25h 05m1 stop

4:36 pm - 5:20 pm

HLN

PHL

22h 44m1 stop

$382Alaska Airlines

Tue, Feb 10 - Sat, Feb 14

7:06 pm - 6:11 pm

PHL

HLN

25h 05m1 stop

4:36 pm - 5:20 pm

HLN

PHL

22h 44m1 stop

$402Alaska Airlines

Tue, Feb 10 - Sat, Feb 14

6:22 pm - 3:43 pm

PHL

HLN

23h 21m1 stop

4:10 pm - 5:23 am

HLN

PHL

11h 13m1 stop

$473Alaska Airlines

Tue, Mar 17 - Mon, Mar 23

7:00 am - 12:19 pm

PHL

HLN

7h 19m1 stop

5:30 am - 5:41 am

HLN

PHL

22h 11m1 stop

$508Delta

Wed, Mar 18 - Wed, Mar 25

6:22 pm - 3:43 pm

PHL

HLN

23h 21m1 stop

4:10 pm - 5:23 am

HLN

PHL

11h 13m1 stop

$513Alaska Airlines

Tue, Mar 17 - Sun, Mar 22

7:00 am - 10:35 pm

PHL

HLN

17h 35m1 stop

5:30 am - 5:41 am

HLN

PHL

22h 11m1 stop

$519Delta

Sat, Mar 21 - Tue, Mar 24

7:22 am - 5:45 pm

PHL

HLN

12h 23m1 stop

6:22 pm - 5:58 pm

HLN

PHL

21h 36m1 stop

$524Alaska Airlines

Thu, Apr 30 - Mon, May 4

12:26 pm - 10:35 pm

PHL

HLN

12h 09m2 stops

12:59 pm - 5:41 am

HLN

PHL

14h 42m1 stop

$533Delta

Tue, Mar 17 - Tue, Mar 24

7:00 am - 12:19 pm

PHL

HLN

7h 19m1 stop

12:59 pm - 5:41 am

HLN

PHL

14h 42m1 stop

$560Delta

Wed, Mar 18 - Thu, Mar 26

6:35 pm - 3:38 pm

PHL

HLN

23h 03m1 stop

4:10 pm - 5:28 pm

HLN

PHL

23h 18m1 stop

$564Alaska Airlines

Sat, Mar 21 - Thu, Mar 26

Alaska Airlines flights from Philadelphia to Helena

Our best Alaska Airlines deals on Philadelphia to Helena flight tickets

Alaska Airlines

Feb 10

PHL7:06 pmPhiladelphia

25h 05m

1 stop

HLN6:11 pmHelena

Feb 14

HLN4:36 pmHelena

22h 44m

1 stop

PHL5:20 pmPhiladelphia

$382

Find similar

Alaska Airlines

Feb 10

PHL7:06 pmPhiladelphia

25h 05m

1 stop

HLN6:11 pmHelena

Feb 14

HLN4:36 pmHelena

22h 44m

1 stop

PHL5:20 pmPhiladelphia

$402

Find similar

Alaska Airlines

Mar 17

PHL6:22 pmPhiladelphia

23h 21m

1 stop

HLN3:43 pmHelena

Mar 23

HLN4:10 pmHelena

11h 13m

1 stop

PHL5:23 amPhiladelphia

$473

Find similar

Delta flights from Philadelphia to Helena

Our best Delta deals on Philadelphia to Helena flight tickets

Delta

Mar 18

PHL7:00 amPhiladelphia

7h 19m

1 stop

HLN12:19 pmHelena

Mar 25

HLN5:30 amHelena

22h 11m

1 stop

PHL5:41 amPhiladelphia

$508

Find similar

Delta

Mar 21

PHL7:00 amPhiladelphia

17h 35m

1 stop

HLN10:35 pmHelena

Mar 24

HLN5:30 amHelena

22h 11m

1 stop

PHL5:41 amPhiladelphia

$519

Find similar

Delta

Mar 17

PHL12:26 pmPhiladelphia

12h 09m

2 stops

HLN10:35 pmHelena

Mar 24

HLN12:59 pmHelena

14h 42m

1 stop

PHL5:41 amPhiladelphia

$533

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Tue 2/10

7:06 pm-6:11 pm

1 stop25h 05m

Helena

Sat 2/14

4:36 pm-5:20 pm

1 stop22h 44m

$382

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Tue 2/10

7:06 pm-6:11 pm

1 stop25h 05m

Helena

Sat 2/14

4:36 pm-5:20 pm

1 stop22h 44m

$402

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Tue 3/17

6:22 pm-3:43 pm

1 stop23h 21m

Helena

Mon 3/23

4:10 pm-5:23 am

1 stop11h 13m

$473

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Wed 3/18

7:00 am-12:19 pm

1 stop7h 19m

Helena

Wed 3/25

5:30 am-5:41 am

1 stop22h 11m

$508

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Tue 3/17

6:22 pm-3:43 pm

1 stop23h 21m

Helena

Sun 3/22

4:10 pm-5:23 am

1 stop11h 13m

$513

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Sat 3/21

7:00 am-10:35 pm

1 stop17h 35m

Helena

Tue 3/24

5:30 am-5:41 am

1 stop22h 11m

$519

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Thu 4/30

7:22 am-5:45 pm

1 stop12h 23m

Helena

Mon 5/4

6:22 pm-5:58 pm

1 stop21h 36m

$524

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Tue 3/17

12:26 pm-10:35 pm

2 stops12h 09m

Helena

Tue 3/24

12:59 pm-5:41 am

1 stop14h 42m

$533

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Wed 3/18

7:00 am-12:19 pm

1 stop7h 19m

Helena

Thu 3/26

12:59 pm-5:41 am

1 stop14h 42m

$560

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Sat 3/21

6:35 pm-3:38 pm

1 stop23h 03m

Helena

Thu 3/26

4:10 pm-5:28 pm

1 stop23h 18m

$564

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest day to depart on your flight to Helena?

The cheapest day to depart from Philadelphia to Helena is on a Tuesday. Travelers who choose to depart for Helena on a Tuesday will often find tickets for as low as $467. The most expensive day to fly to Helena is Friday, with ticket prices averaging around $923.

What is the cheapest time of day to depart on your flight to Helena?

According to our data, the cheapest time of day to fly to Helena is in the afternoon. momondo users have found flights departing from Philadelphia to Helena in the afternoon for as low as $730. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Helena is in the morning when prices are around $762.

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 23m
Direct flights	None

The fastest flight from Philadelphia to Helena takes 7h 23m

There are no direct flights from Philadelphia to Helena. There are no popular flight routes from Philadelphia to Helena.

Search flight deals

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 23m.
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?
As of December 2025, there is 1 operator available to choose from 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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Philadelphia to Helena is United Airlines (100% of total bookings).

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 Airlines	PriceFrom $511	Free Cancellation	Rating 7.4 9,102 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.