GTF - PHL

$394 Find Cheap Flights from Great Falls to Philadelphia

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Great Falls to Philadelphia departing on 3/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Philadelphia

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Great Falls to Philadelphia, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Great Falls to Philadelphia, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$394
Delta
Tue 3/10Wed 3/11
GTF - PHL • 1 stop
Cheapest one-way
Multiple Airlines
Thu 11/6
GTF - PHL • multi-stop
Top airlines
Delta
Cheapest • from $394 (round-trip)
United Airlines
Best reviews • 7.4 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Philadelphia!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Great Falls to Philadelphia (GTF-PHL)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Great Falls to Philadelphia that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Great Falls to Philadelphia

Tue, Mar 10 - Wed, Mar 11
Delta Logo
6:15 pm - 5:39 amGTF-PHL
9h 24m1 stop
Delta Logo
10:21 am - 10:53 pmPHL-GTF
14h 32m2 stops
$394Delta
Find Deal
Tue, Mar 10 - Wed, Mar 11
Delta Logo
1:10 pm - 12:22 amGTF-PHL
9h 12m2 stops
Delta Logo
10:21 am - 10:53 pmPHL-GTF
14h 32m2 stops
$399Delta
Find Deal
Fri, Jan 9 - Tue, Jan 13
Delta Logo
1:15 pm - 11:14 pmGTF-PHL
7h 59m1 stop
Delta Logo
7:00 am - 12:33 pmPHL-GTF
7h 33m1 stop
$408Delta
Find Deal
Fri, Jan 9 - Tue, Jan 13
Delta Logo
1:15 pm - 11:14 pmGTF-PHL
7h 59m1 stop
Delta Logo
12:11 pm - 10:31 pmPHL-GTF
12h 20m2 stops
$414Delta
Find Deal
Fri, Jan 9 - Tue, Jan 13
Delta Logo
6:10 pm - 11:02 amGTF-PHL
14h 52m2 stops
Delta Logo
5:40 am - 5:30 pmPHL-GTF
13h 50m2 stops
$459Delta
Find Deal
Tue, Mar 10 - Wed, Mar 11
United Airlines Logo
2:30 pm - 10:55 pmGTF-PHL
6h 25m1 stop
United Airlines Logo
3:30 pm - 9:33 pmPHL-GTF
8h 03m1 stop
$478United Airlines
Find Deal
Fri, Jan 9 - Tue, Jan 13
Delta Logo
1:15 pm - 11:14 pmGTF-PHL
7h 59m1 stop
Delta Logo
7:00 am - 12:33 pmPHL-GTF
7h 33m1 stop
$506Delta
Find Deal
Fri, Jan 9 - Tue, Jan 13
Delta Logo
6:10 pm - 11:02 amGTF-PHL
14h 52m2 stops
Delta Logo
12:41 pm - 10:31 pmPHL-GTF
11h 50m2 stops
$508Delta
Find Deal
Fri, Jan 9 - Tue, Jan 13
Delta Logo
1:15 pm - 11:14 pmGTF-PHL
7h 59m1 stop
Delta Logo
2:31 pm - 10:31 pmPHL-GTF
10h 00m2 stops
$512Delta
Find Deal
Fri, Jan 9 - Tue, Jan 13
Delta Logo
6:10 pm - 11:02 amGTF-PHL
14h 52m2 stops
Delta Logo
5:40 am - 5:30 pmPHL-GTF
13h 50m2 stops
$517Delta
Find Deal
Booking Insights

KAYAK's insights & trends for Great Falls to Philadelphia flights

Get data-powered insights and trends into flights from Great Falls to Philadelphia to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Great Falls to Philadelphia?

The average price of all round-trip flights from Great Falls to Philadelphia clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to Philadelphia on a Wednesday, as we generally find the cheapest rates on that day for this route. On the other hand, Thursday is the most expensive day to fly from Great Falls to Philadelphia. For your return ticket, we recommend flying on a Tuesday and avoiding Sundays for the best deals.

Find deals

Good to know

Low seasonApril
Cheapest flight$408
Best time to beat the crowds with an average 37% drop in price.
Most popular time to fly and prices are also 36% lower on average.
Flight from Great Falls to Philadelphia

When to book flights from Great Falls to Philadelphia

Are your dates flexible? Find out the best times to travel from Great Falls to Philadelphia based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Great Falls to Philadelphia

  • What is the cheapest flight from Great Falls to Philadelphia?

    In the last 3 days, the lowest price for a flight from Great Falls to Philadelphia was $394 for a round-trip ticket.

  • Do I need a passport to fly between Great Falls and Philadelphia?

    No, a passport isn't needed to fly from Great Falls to Philadelphia. However, local authorities might ask for an official ID.

  • Which airports will I be using when flying from Great Falls to Philadelphia?

    When flying out of Great Falls you will be using Great Falls. You will be landing at Philadelphia, also known as Philadelphia.

  • Which aircraft models fly most regularly from Great Falls to Philadelphia?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Great Falls to Philadelphia?

    Star Alliance is the only airline alliance operating flights between Great Falls and Philadelphia.

  • How does KAYAK find such low prices on flights from Great Falls to Philadelphia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Great Falls to Philadelphia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Great Falls to Philadelphia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Philadelphia from Great Falls is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Great Falls to Philadelphia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Philadelphia with an airline and back to Great Falls with another airline. Booking your flights between Great Falls and PHL can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Great Falls to Philadelphia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Philadelphia from Great Falls up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Great Falls to Philadelphia

 
See real verified KAYAK customer reviews for airlines flying from Great Falls to Philadelphia. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Great Falls to Philadelphia? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 9007 reviews
7.3Comfort
8.1Crew
7.7Boarding
6.6Food
7.1Entertainment
Airline reviews

Plane boarded early a quickly, was mostly full. We left close to on time. And landed early.

10.0 ExcellentKaren, Nov 2025EWR - LAX
Read more United Airlines reviews

Plane boarded early a quickly, was mostly full. We left close to on time. And landed early.

Premium Plus is a really good idea for longer flights

7 hours delayed due to operational issues on United’s end. Basically laziness.

Short flight but an "eager to help" crew made the journey more enjoyable!

Flight was delayed only slightly before takeoff due to traffic control. However, the flight arrived early to ORD. Good flight. United has been very reliable for me.

The person I bought the ticket for didn’t make the flight.

Lately I like the planes have been exceptionally filthy. There’s lines of dust and dirt all across the ceiling in the vents, and the cracks in between the seats are literally full of food. It’s definitely not the quality of service that I was used to with United. I’m also very disappointed with the Wi-Fi! All I wanna do is knock out a few work jobs while I’m trapped in my seat And it spools so bad. They did provide me with a refund, but the process of getting that refund is so complicated. It’s unfortunate.

Another delayed flight. When the delays exceed the duration of the flight, it’s a problem.

Excellent flight. Smooth, efficient boarding. Quick flight. Arrived early at STL.

After boarding the plane in Chicago, the passengers were told that there was a technical problem with the plane. Passengers remained on the plane as they tried to fix the problem. After what was probably an hour passengers were told that there was a need to change planes as the problem was not solved. Passengers disembarked and boarded another plane. After taxing to the runway and waiting for takeoff, passengers were told that owing to the thunderstorm the flight was unable to take off but would try and reroute. After some time passengers were told there wasn't enough fuel for the new route and the plane had to return to the gate for additional fuel. after another log delay the flight got underway. On the plane there was food, drinks, ice or entertainment. We were a glass of water, which appeared rationed. Flight arrived about 5 hours late. The pilot was fantastic and communicated with the passengers throughout the ordeal.

Everything you need to know for your flight from Great Falls to Philadelphia

Information on your arrival and departure airports

Great Falls (GTF)
Philadelphia (PHL)