PHL - GTF

$174 Find Cheap Flights from Philadelphia to Great Falls - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$368
Typical prices: $472-$718
Delta
Wed 10/3Thu 10/11
PHL - GTF • 1 stop
Cheapest one-way
$174
Typical prices: $294-$641
Alaska Airlines
Wed 11/14
PHL - GTF • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Philadelphia and Great Falls. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
March
Cheapest • 49% price drop
August
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Salt Lake City (SLC)
Cheapest • Avg $495 (round-trip)
Chicago O'Hare Intl (ORD)
Shortest trip • 7h 17m (one-way)
Insights
Insights
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Booking Insights
Flight Deals

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

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Philadelphia to Great Falls

Sat, Oct 3 - Sun, Oct 11
Delta Logo
7:20 am - 12:35 pmPHL  Philadelphia-GTF Great Falls
7h 15m1 stop Salt Lake City
Delta Logo
6:27 pm - 6:05 amGTF  Great Falls-PHL Philadelphia
9h 38m1 stop Salt Lake City
$368Delta
Sat, Oct 3 - Sun, Oct 11
Delta Logo
7:10 am - 5:41 pmPHL  Philadelphia-GTF Great Falls
12h 31m2 stops Atlanta Hartsfield-Jackson Salt Lake City
Delta Logo
6:27 pm - 6:05 amGTF  Great Falls-PHL Philadelphia
9h 38m1 stop Salt Lake City
$374Delta
Tue, Sep 29 - Mon, Oct 5
Delta Logo
12:29 pm - 10:37 pmPHL  Philadelphia-GTF Great Falls
12h 08m2 stops Detroit Metropolitan Wayne County Salt Lake City
Delta Logo
6:21 pm - 6:05 amGTF  Great Falls-PHL Philadelphia
9h 44m1 stop Salt Lake City
$409Delta
Tue, Sep 29 - Mon, Oct 5
Alaska Airlines Logo
6:59 pm - 4:39 pmPHL  Philadelphia-GTF Great Falls
23h 40m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
5:15 pm - 5:41 amGTF  Great Falls-PHL Philadelphia
10h 26m1 stop Seattle/Tacoma Intl
$413Alaska Airlines
Tue, Sep 29 - Mon, Oct 5
Delta Logo
12:29 pm - 10:37 pmPHL  Philadelphia-GTF Great Falls
12h 08m2 stops Detroit Metropolitan Wayne County Salt Lake City
Delta Logo
6:21 pm - 9:00 amGTF  Great Falls-PHL Philadelphia
12h 39m2 stops Salt Lake City Detroit Metropolitan Wayne County
$414Delta
Fri, Oct 16 - Mon, Oct 19
United Airlines Logo
3:55 pm - 9:22 pmPHL  Philadelphia-GTF Great Falls
7h 27m1 stop Denver Intl
United Airlines Logo
2:37 pm - 11:20 pmGTF  Great Falls-PHL Philadelphia
6h 43m1 stop Denver Intl
$498United Airlines
Fri, Oct 16 - Mon, Oct 19
United Airlines Logo
9:34 am - 9:22 pmPHL  Philadelphia-GTF Great Falls
13h 48m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
2:37 pm - 11:20 pmGTF  Great Falls-PHL Philadelphia
6h 43m1 stop Denver Intl
$519United Airlines
Tue, Sep 29 - Sat, Oct 3
United Airlines Logo
8:00 am - 1:41 pmPHL  Philadelphia-GTF Great Falls
7h 41m1 stop Denver Intl
United Airlines Logo
2:37 pm - 11:20 pmGTF  Great Falls-PHL Philadelphia
6h 43m1 stop Denver Intl
$538United Airlines
Wed, Sep 30 - Sun, Oct 4
Alaska Airlines Logo
7:00 am - 4:39 pmPHL  Philadelphia-GTF Great Falls
11h 39m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
5:15 pm - 5:41 amGTF  Great Falls-PHL Philadelphia
10h 26m1 stop Seattle/Tacoma Intl
$726Alaska Airlines
Mon, Sep 28 - Fri, Oct 2
Alaska Airlines Logo
6:59 pm - 4:39 pmPHL  Philadelphia-GTF Great Falls
23h 40m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
5:19 pm - 5:40 amGTF  Great Falls-PHL Philadelphia
10h 21m1 stop Seattle/Tacoma Intl
$741Alaska Airlines
Booking Insights

Price, demand and travel trends for Philadelphia to Great Falls flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Philadelphia to Great Falls with more confidence.

How much is a round-trip flight from Philadelphia to Great Falls?

Round-trip flights from Philadelphia to Great Falls start at $368. Prices are below average for this route right now, with typical round-trip fares ranging from $472 to $718. The lowest price found in the past 5 days was $368 on Delta.

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

Sunday is the cheapest day of the week to fly from Philadelphia to Great Falls, it is 18% cheaper than the average day. Thursday is the most expensive day with flight prices 26% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Philadelphia to Great Falls?

  • March is the cheapest month to fly from Philadelphia to Great Falls at $283 round-trip.
  • December ($1,302) and October ($718) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 360% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Philadelphia to Great Falls flights

Low season

March

Cheapest flight

$174
Best time to beat the crowds with an average 49% drop in price.
Most popular time to fly and prices are also 4% lower on average.
Flight from Philadelphia to Great Falls

When to book flights from Philadelphia to Great Falls

Are your dates flexible? Find out the best times to travel from Philadelphia to Great Falls based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Philadelphia to Great Falls flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Philadelphia to Great Falls?

    Flights from Philadelphia to Great Falls usually depart from Philadelphia (PHL) and arrive at Great Falls (GTF).

  • What cabin classes can I book on flights from Philadelphia to Great Falls?

    Two cabin classes are available on flights from Philadelphia to Great Falls:

    • Economy Class
    • First Class

  • Which airports do connecting flights from Philadelphia to Great Falls pass through?

    One-stop flights from Philadelphia to Great Falls most commonly connect through:

    • Denver Intl (DEN) - 49% of one-stop connections
    • Salt Lake City (SLC) - 37% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 10% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 4% of one-stop connections

    Denver Intl (DEN) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Philadelphia to Great Falls?

    On the Philadelphia to Great Falls route, being flexible with your departure day can save you up to 35%. Sunday is the cheapest day at $463 round-trip on average, while Thursday is the most expensive at $711: a $248 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How long is a flight from Philadelphia to Great Falls?

    A nonstop flight from Philadelphia to Great Falls takes 0h 00m, covering 1,860 miles.

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

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Philadelphia to Great Falls changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $368 to $1,432. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Philadelphia to Great Falls looking right now?

    One-way fares from Philadelphia to Great Falls are currently lower than usual. Average one-way flight prices are about $288, which is 51% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Philadelphia to Great Falls?

    Flying via Chicago O'Hare Intl (ORD) gives the shortest average 1-stop total travel time at 7h 17m, compared with 7h 21m via Denver Intl (DEN) and 8h 41m via Salt Lake City (SLC).

  • What is the time difference between Philadelphia and Great Falls?

    Great Falls is 2 hours behind Philadelphia (Mountain Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Great Falls Airport (GTF)?

    Great Falls Airport (GTF) hosts 5 major car rental companies, with daily rates starting from around $23 for economy cars. Top options include:
    • Avis
    • Budget
    • Alamo
    • Hertz
    • Enterprise Rent-A-Car

  • How much should I expect to pay for a Philadelphia to Great Falls flight?

    Round-trip flights from Philadelphia to Great Falls range from $472 to $718, with an average of $560 over the past 12 months. Anything below $472 counts as a good deal.

Your guide to booking Philadelphia to Great Falls flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Sunday departure instead of Thursday. On this route, Sunday flights average $463 - about $248 less than Thursday (35% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Philadelphia to Great Falls trip for March. Fares historically average $283 round-trip in that month - typically $1,019 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Great Falls Airport.
    - Crystal Inn Hotel & Suites - Great Falls
    - Hilton Garden Inn Great Falls
    - Hampton Inn Great Falls

More options for your flight from Philadelphia to Great Falls

Complete your trip to Great Falls with a hotel stay or car rental

Car rentals in Great Falls
Hotels in Great Falls
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