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 October 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.

$320 Cheap Flights from Philadelphia to Helena in 2026/27

Find the cheapest flights from Philadelphia to Helena

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:41 am - 1:52 pmPHL Philadelphia-HLN Helena

8h 11m1 stop Denver Intl

6:20 am - 5:57 pmHLN Helena-PHL Philadelphia

9h 37m2 stops Denver Intl Chicago O'Hare Intl

$384United Airlines

Sat, Dec 5 - Wed, Dec 9

10:53 am - 9:46 pmPHL Philadelphia-HLN Helena

12h 53m2 stops Chicago O'Hare Intl Denver Intl

6:20 am - 5:57 pmHLN Helena-PHL Philadelphia

9h 37m2 stops Denver Intl Chicago O'Hare Intl

$389United Airlines

Sat, Dec 5 - Wed, Dec 9

7:46 am - 1:40 pmPHL Philadelphia-HLN Helena

7h 54m1 stop Denver Intl

2:27 pm - 11:37 pmHLN Helena-PHL Philadelphia

7h 10m1 stop Denver Intl

$499United Airlines

Sat, Jan 9 - Tue, Jan 12

10:25 am - 9:32 pmPHL Philadelphia-HLN Helena

13h 07m2 stops Washington, D.C. Dulles Intl Denver Intl

2:27 pm - 11:37 pmHLN Helena-PHL Philadelphia

7h 10m1 stop Denver Intl

$504United Airlines

Sat, Jan 9 - Tue, Jan 12

7:00 am - 4:12 pmPHL Philadelphia-HLN Helena

11h 12m1 stop Seattle/Tacoma Intl

4:49 pm - 5:40 amHLN Helena-PHL Philadelphia

10h 51m1 stop Seattle/Tacoma Intl

$514Alaska Airlines

Sat, Dec 5 - Wed, Dec 9

7:10 am - 12:30 pmPHL Philadelphia-HLN Helena

7h 20m1 stop Salt Lake City

5:45 am - 6:15 pmHLN Helena-PHL Philadelphia

10h 30m2 stops Salt Lake City Minneapolis St Paul

$514Delta

Fri, Dec 18 - Mon, Jan 4

6:40 pm - 12:25 pmPHL Philadelphia-HLN Helena

19h 45m1 stop Salt Lake City

5:45 am - 6:15 pmHLN Helena-PHL Philadelphia

10h 30m2 stops Salt Lake City Minneapolis St Paul

$529Delta

Sat, Dec 19 - Tue, Jan 5

6:40 pm - 12:25 pmPHL Philadelphia-HLN Helena

19h 45m1 stop Salt Lake City

5:45 am - 6:15 pmHLN Helena-PHL Philadelphia

10h 30m2 stops Salt Lake City Minneapolis St Paul

$529Delta

Sat, Dec 19 - Mon, Jan 4

6:40 pm - 12:25 pmPHL Philadelphia-HLN Helena

19h 45m1 stop Salt Lake City

12:50 pm - 5:40 pmHLN Helena-PHL Philadelphia

26h 50m1 stop Salt Lake City

$669Delta

Sat, Dec 19 - Mon, Jan 4

6:40 pm - 12:25 pmPHL Philadelphia-HLN Helena

19h 45m1 stop Salt Lake City

5:45 am - 5:40 pmHLN Helena-PHL Philadelphia

9h 55m1 stop Salt Lake City

$669Delta

Sat, Dec 19 - Tue, Jan 5

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United Airlines flights from Philadelphia to Helena

Our best United Airlines deals on Philadelphia to Helena flight tickets

United Airlines

Dec 5

PHL7:41 amPhiladelphia

8h 11m

1 stop

HLN1:52 pmHelena

Dec 9

HLN6:20 amHelena

9h 37m

2 stops

PHL5:57 pmPhiladelphia

$384

United Airlines

Dec 5

PHL10:53 amPhiladelphia

12h 53m

2 stops

HLN9:46 pmHelena

Dec 9

HLN6:20 amHelena

9h 37m

2 stops

PHL5:57 pmPhiladelphia

$389

United Airlines

Jan 9

PHL7:46 amPhiladelphia

7h 54m

1 stop

HLN1:40 pmHelena

Jan 12

HLN2:27 pmHelena

7h 10m

1 stop

PHL11:37 pmPhiladelphia

$499

Alaska Airlines flights from Philadelphia to Helena

Our best Alaska Airlines deals on Philadelphia to Helena flight tickets

Alaska Airlines

Dec 5

PHL7:00 amPhiladelphia

11h 12m

1 stop

HLN4:12 pmHelena

Dec 9

HLN4:49 pmHelena

10h 51m

1 stop

PHL5:40 amPhiladelphia

$514

Alaska Airlines

Dec 18

PHL7:01 amPhiladelphia

10h 40m

1 stop

HLN3:41 pmHelena

Dec 31

HLN4:18 pmHelena

11h 23m

1 stop

PHL5:41 amPhiladelphia

$870

Alaska Airlines

Oct 21

PHL7:02 amPhiladelphia

11h 47m

1 stop

HLN4:49 pmHelena

Oct 25

HLN5:26 pmHelena

19h 48m

2 stops

PHL3:14 pmPhiladelphia

$896

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaHelena

PHL Philadelphia - HLN Helena

PHLHLN

Philadelphia

Sat 12/5

7:41 am-1:52 pm

1 stop8h 11m

Helena

Wed 12/9

6:20 am-5:57 pm

2 stops9h 37m

$384

PhiladelphiaHelena

PHL Philadelphia - HLN Helena

PHLHLN

Philadelphia

Sat 12/5

10:53 am-9:46 pm

2 stops12h 53m

Helena

Wed 12/9

6:20 am-5:57 pm

2 stops9h 37m

$389

Quickest round-trip

PhiladelphiaHelena

PHL Philadelphia - HLN Helena

PHLHLN

Philadelphia

Sat 1/9

7:46 am-1:40 pm

1 stop7h 54m

Helena

Tue 1/12

2:27 pm-11:37 pm

1 stop7h 10m

$499

PhiladelphiaHelena

PHL Philadelphia - HLN Helena

PHLHLN

Philadelphia

Sat 1/9

10:25 am-9:32 pm

2 stops13h 07m

Helena

Tue 1/12

2:27 pm-11:37 pm

1 stop7h 10m

$504

PhiladelphiaHelena

PHL Philadelphia - HLN Helena

PHLHLN

Philadelphia

Sat 12/5

7:00 am-4:12 pm

1 stop11h 12m

Helena

Wed 12/9

4:49 pm-5:40 am

1 stop10h 51m

$514

PhiladelphiaHelena

PHL Philadelphia - HLN Helena

PHLHLN

Philadelphia

Fri 12/18

7:10 am-12:30 pm

1 stop7h 20m

Helena

Mon 1/4

5:45 am-6:15 pm

2 stops10h 30m

$514

PhiladelphiaHelena

PHL Philadelphia - HLN Helena

PHLHLN

Philadelphia

Sat 12/19

6:40 pm-12:25 pm

1 stop19h 45m

Helena

Tue 1/5

5:45 am-6:15 pm

2 stops10h 30m

$529

PhiladelphiaHelena

PHL Philadelphia - HLN Helena

PHLHLN

Philadelphia

Sat 12/19

6:40 pm-12:25 pm

1 stop19h 45m

Helena

Mon 1/4

5:45 am-6:15 pm

2 stops10h 30m

$529

PhiladelphiaHelena

PHL Philadelphia - HLN Helena

PHLHLN

Philadelphia

Sat 12/19

6:40 pm-12:25 pm

1 stop19h 45m

Helena

Mon 1/4

12:50 pm-5:40 pm

1 stop26h 50m

$669

PhiladelphiaHelena

PHL Philadelphia - HLN Helena

PHLHLN

Philadelphia

Sat 12/19

6:40 pm-12:25 pm

1 stop19h 45m

Helena

Tue 1/5

5:45 am-5:40 pm

1 stop9h 55m

$669

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 United Airlines 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 65% 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

Best Price Found	$320
Fastest flight time	7h 08m
Direct flights	None

The best one-way flight to Helena from Philadelphia in the past 72 hours is $320. The best round-trip flight deal from Philadelphia to Helena found on momondo in the last 72 hours is $384.

The fastest flight from Philadelphia to Helena takes 7h 08m

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 7h 08m.
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 October 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).

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.