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 June 2026, 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.

$215 Cheap Flights from Philadelphia to Helena in 2026

Discover deals from 900+ travel sites with momondo.

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.

7:00 am - 4:04 pm

PHL

HLN

11h 04m

1 stop

4:41 pm - 5:33 am

HLN

PHL

10h 52m

1 stop

$349Alaska Airlines

Sat, Nov 14 - Tue, Nov 17

6:59 pm - 4:34 pm

PHL

HLN

23h 35m

1 stop

5:11 pm - 5:40 am

HLN

PHL

10h 29m

1 stop

$419Alaska Airlines

Sat, Aug 29 - Mon, Aug 31

2:31 pm - 10:30 pm

PHL

HLN

9h 59m

2 stops

12:55 pm - 1:19 am

HLN

PHL

10h 24m

2 stops

$424Delta

Tue, Aug 11 - Sat, Aug 15

4:25 pm - 4:04 pm

PHL

HLN

25h 39m

2 stops

4:41 pm - 5:33 am

HLN

PHL

10h 52m

1 stop

$437Alaska Airlines

Sat, Nov 14 - Tue, Nov 17

4:06 pm - 4:11 pm

PHL

HLN

26h 05m

2 stops

4:48 pm - 5:40 am

HLN

PHL

10h 52m

1 stop

$441Alaska Airlines

Tue, Oct 27 - Sat, Oct 31

4:25 pm - 4:04 pm

PHL

HLN

25h 39m

2 stops

4:41 pm - 5:33 am

HLN

PHL

10h 52m

1 stop

$447Alaska Airlines

Sat, Nov 14 - Tue, Nov 17

11:24 am - 9:39 pm

PHL

HLN

12h 15m

2 stops

6:15 am - 5:42 pm

HLN

PHL

9h 27m

2 stops

$459United Airlines

Sat, Nov 14 - Tue, Nov 17

7:20 am - 12:17 pm

PHL

HLN

6h 57m

1 stop

12:57 pm - 5:50 am

HLN

PHL

14h 53m

2 stops

$467Delta

Fri, Sep 18 - Sat, Sep 26

4:48 pm - 4:34 pm

PHL

HLN

25h 46m

2 stops

5:11 pm - 5:40 am

HLN

PHL

10h 29m

1 stop

$472Alaska Airlines

Sat, Aug 29 - Mon, Aug 31

10:30 am - 9:39 pm

PHL

HLN

13h 09m

2 stops

6:15 am - 5:42 pm

HLN

PHL

9h 27m

2 stops

$525United Airlines

Tue, Oct 27 - Sat, Oct 31

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United Airlines flights from Philadelphia to Helena

Our best United Airlines deals on Philadelphia to Helena flight tickets

United Airlines

Aug 26

PHL1:30 pmPhiladelphia

10h 00m

2 stops

HLN9:30 pmHelena

Sep 2

HLN2:35 pmHelena

7h 09m

1 stop

PHL11:44 pmPhiladelphia

$354

United Airlines

Aug 26

PHL1:30 pmPhiladelphia

10h 00m

2 stops

HLN9:30 pmHelena

Sep 2

HLN6:15 amHelena

9h 39m

2 stops

PHL5:54 pmPhiladelphia

$394

United Airlines

Nov 14

PHL11:24 amPhiladelphia

12h 15m

2 stops

HLN9:39 pmHelena

Nov 17

HLN6:15 amHelena

9h 27m

2 stops

PHL5:42 pmPhiladelphia

$459

Alaska Airlines flights from Philadelphia to Helena

Our best Alaska Airlines deals on Philadelphia to Helena flight tickets

Alaska Airlines

Nov 14

PHL7:00 amPhiladelphia

11h 04m

1 stop

HLN4:04 pmHelena

Nov 17

HLN4:41 pmHelena

10h 52m

1 stop

PHL5:33 amPhiladelphia

$349

Alaska Airlines

Aug 26

PHL6:59 pmPhiladelphia

23h 35m

1 stop

HLN4:34 pmHelena

Sep 2

HLN5:11 pmHelena

10h 29m

1 stop

PHL5:40 amPhiladelphia

$419

Alaska Airlines

Nov 14

PHL4:25 pmPhiladelphia

25h 39m

2 stops

HLN4:04 pmHelena

Nov 17

HLN4:41 pmHelena

10h 52m

1 stop

PHL5:33 amPhiladelphia

$437

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Sat 11/14

7:00 am-4:04 pm

1 stop11h 04m

Helena

Tue 11/17

4:41 pm-5:33 am

1 stop10h 52m

$349

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Sat 8/29

6:59 pm-4:34 pm

1 stop23h 35m

Helena

Mon 8/31

5:11 pm-5:40 am

1 stop10h 29m

$419

Quickest round-trip

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Tue 8/11

2:31 pm-10:30 pm

2 stops9h 59m

Helena

Sat 8/15

12:55 pm-1:19 am

2 stops10h 24m

$424

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Sat 11/14

4:25 pm-4:04 pm

2 stops25h 39m

Helena

Tue 11/17

4:41 pm-5:33 am

1 stop10h 52m

$437

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Tue 10/27

4:06 pm-4:11 pm

2 stops26h 05m

Helena

Sat 10/31

4:48 pm-5:40 am

1 stop10h 52m

$441

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Sat 11/14

4:25 pm-4:04 pm

2 stops25h 39m

Helena

Tue 11/17

4:41 pm-5:33 am

1 stop10h 52m

$447

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Sat 11/14

11:24 am-9:39 pm

2 stops12h 15m

Helena

Tue 11/17

6:15 am-5:42 pm

2 stops9h 27m

$459

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Fri 9/18

7:20 am-12:17 pm

1 stop6h 57m

Helena

Sat 9/26

12:57 pm-5:50 am

2 stops14h 53m

$467

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Sat 8/29

4:48 pm-4:34 pm

2 stops25h 46m

Helena

Mon 8/31

5:11 pm-5:40 am

1 stop10h 29m

$472

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Tue 10/27

10:30 am-9:39 pm

2 stops13h 09m

Helena

Sat 10/31

6:15 am-5:42 pm

2 stops9h 27m

$525

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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

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

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

What airlines fly to Helena?

United Airlines, American Airlines and Delta 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 63% of people opting to fly with this airline when traveling to Helena. Keep in mind that there are 6 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	6h 45m
Direct flights	None

The fastest flight from Philadelphia to Helena takes 6h 45m

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

Search flight deals

Frequently asked questions about flying from Philadelphia to Helena

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 6h 45m.
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 June 2026, 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 $368	Free Cancellation	Rating 7.4 9,899 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.