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 August 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.

$195 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.

3:48 pm - 9:30 pmPHL Philadelphia-HLN Helena

7h 42m1 stop Denver Intl

2:26 pm - 11:44 pmHLN Helena-PHL Philadelphia

7h 18m1 stop Denver Intl

$429United Airlines

Tue, Sep 8 - Sat, Sep 12

1:30 pm - 9:30 pmPHL Philadelphia-HLN Helena

10h 00m2 stops Chicago O'Hare Intl Denver Intl

2:26 pm - 11:44 pmHLN Helena-PHL Philadelphia

7h 18m1 stop Denver Intl

$434United Airlines

Tue, Sep 8 - Sat, Sep 12

8:00 am - 1:48 pmPHL Philadelphia-HLN Helena

7h 48m1 stop Denver Intl

2:30 pm - 11:20 pmHLN Helena-PHL Philadelphia

6h 50m1 stop Denver Intl

$448United Airlines

Wed, Sep 30 - Sat, Oct 10

8:00 am - 1:27 pmPHL Philadelphia-HLN Helena

7h 27m1 stop Denver Intl

2:30 pm - 10:46 pmHLN Helena-PHL Philadelphia

6h 16m1 stop Denver Intl

$459United Airlines

Sat, Jan 9 - Tue, Jan 12

1:00 pm - 8:59 pmPHL Philadelphia-HLN Helena

9h 59m2 stops Chicago O'Hare Intl Denver Intl

2:30 pm - 10:46 pmHLN Helena-PHL Philadelphia

6h 16m1 stop Denver Intl

$464United Airlines

Sat, Jan 9 - Tue, Jan 12

8:00 am - 1:27 pmPHL Philadelphia-HLN Helena

7h 27m1 stop Denver Intl

2:30 pm - 10:46 pmHLN Helena-PHL Philadelphia

6h 16m1 stop Denver Intl

$512United Airlines

Sat, Jan 9 - Tue, Jan 12

7:00 am - 4:41 pmPHL Philadelphia-HLN Helena

11h 41m1 stop Seattle/Tacoma Intl

5:26 pm - 5:38 pmHLN Helena-PHL Philadelphia

22h 12m1 stop Seattle/Tacoma Intl

$552Alaska Airlines

Wed, Sep 30 - Sat, Oct 10

5:45 am - 12:17 pmPHL Philadelphia-HLN Helena

8h 32m2 stops Minneapolis St Paul Salt Lake City

1:08 pm - 5:44 amHLN Helena-PHL Philadelphia

14h 36m2 stops Salt Lake City Seattle/Tacoma Intl

$628Delta

Wed, Sep 30 - Sat, Oct 10

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United Airlines flights from Philadelphia to Helena

Our best United Airlines deals on Philadelphia to Helena flight tickets

United Airlines

Sep 8

PHL3:48 pmPhiladelphia

7h 42m

1 stop

HLN9:30 pmHelena

Sep 12

HLN2:26 pmHelena

7h 18m

1 stop

PHL11:44 pmPhiladelphia

$429

United Airlines

Sep 8

PHL1:30 pmPhiladelphia

10h 00m

2 stops

HLN9:30 pmHelena

Sep 12

HLN2:26 pmHelena

7h 18m

1 stop

PHL11:44 pmPhiladelphia

$434

United Airlines

Sep 30

PHL8:00 amPhiladelphia

7h 48m

1 stop

HLN1:48 pmHelena

Oct 10

HLN2:30 pmHelena

6h 50m

1 stop

PHL11:20 pmPhiladelphia

$448

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaHelena

PHL Philadelphia - HLN Helena

PHLHLN

Philadelphia

Tue 9/8

3:48 pm-9:30 pm

1 stop7h 42m

Helena

Sat 9/12

2:26 pm-11:44 pm

1 stop7h 18m

$429

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

PhiladelphiaHelena

PHL Philadelphia - HLN Helena

PHLHLN

Philadelphia

Wed 9/30

8:00 am-1:48 pm

1 stop7h 48m

Helena

Sat 10/10

2:30 pm-11:20 pm

1 stop6h 50m

$448

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

Sat 1/9

1:00 pm-8:59 pm

2 stops9h 59m

Helena

Tue 1/12

2:30 pm-10:46 pm

1 stop6h 16m

$464

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

$512

PhiladelphiaHelena

PHL Philadelphia - HLN Helena

PHLHLN

Philadelphia

Wed 9/30

7:00 am-4:41 pm

1 stop11h 41m

Helena

Sat 10/10

5:26 pm-5:38 pm

1 stop22h 12m

$552

PhiladelphiaHelena

PHL Philadelphia - HLN Helena

PHLHLN

Philadelphia

Wed 9/30

5:45 am-12:17 pm

2 stops8h 32m

Helena

Sat 10/10

1:08 pm-5:44 am

2 stops14h 36m

$628

Cheapest one-way

PhiladelphiaHelena

PHL Philadelphia - HLN Helena

PHLHLN

Philadelphia

Sat 11/14

7:15 am-12:27 pm

1 stop7h 12m

$195

PhiladelphiaHelena

PHL Philadelphia - HLN Helena

PHLHLN

Philadelphia

Fri 11/13

7:15 am-12:27 pm

1 stop7h 12m

$195

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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	$195
Fastest flight time	7h 42m
Direct flights	None

The best one-way flight to Helena from Philadelphia in the past 72 hours is $195. The best round-trip flight deal from Philadelphia to Helena found on momondo in the last 72 hours is $429.

The fastest flight from Philadelphia to Helena takes 7h 42m

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 42m.
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 August 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 $348	Free Cancellation	Rating 7.4 10,123 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.