PHL - GTF

$200 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
$388
Typical prices: $466-$688
Alaska Airlines
Sun 12/9Wed 12/12
PHL - GTF • 1 stop
Cheapest one-way
$200
Typical prices: $294-$641
Delta
Tue 12/18
PHL - GTF • 2 stops
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 • 48% 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)
Denver Intl (DEN)
Shortest trip • 7h 16m (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

Wed, Dec 9 - Sat, Dec 12
Alaska Airlines Logo
7:00 am - 4:11 pmPHL  Philadelphia-GTF Great Falls
11h 11m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
4:51 pm - 5:40 amGTF  Great Falls-PHL Philadelphia
10h 49m1 stop Seattle/Tacoma Intl
$388Alaska Airlines
Wed, Dec 9 - Sat, Dec 12
Delta Logo
7:10 am - 12:39 pmPHL  Philadelphia-GTF Great Falls
7h 29m1 stop Salt Lake City
Delta Logo
6:19 pm - 9:29 amGTF  Great Falls-PHL Philadelphia
13h 10m2 stops Salt Lake City Atlanta Hartsfield-Jackson
$394Delta
Wed, Dec 9 - Sat, Dec 12
Delta Logo
9:43 am - 5:39 pmPHL  Philadelphia-GTF Great Falls
9h 56m2 stops Detroit Metropolitan Wayne County Salt Lake City
Delta Logo
6:19 pm - 9:29 amGTF  Great Falls-PHL Philadelphia
13h 10m2 stops Salt Lake City Atlanta Hartsfield-Jackson
$399Delta
Wed, Dec 9 - Sat, Dec 12
Delta Logo
6:20 am - 5:39 pmPHL  Philadelphia-GTF Great Falls
13h 19m2 stops Atlanta Hartsfield-Jackson Salt Lake City
Delta Logo
6:19 pm - 9:29 amGTF  Great Falls-PHL Philadelphia
13h 10m2 stops Salt Lake City Atlanta Hartsfield-Jackson
$399Delta
Wed, Apr 7 - Sat, Apr 10
Alaska Airlines Logo
7:00 am - 4:13 pmPHL  Philadelphia-GTF Great Falls
11h 13m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
4:55 pm - 5:55 amGTF  Great Falls-PHL Philadelphia
11h 00m1 stop Seattle/Tacoma Intl
$418Alaska Airlines
Wed, Nov 11 - Sat, Nov 14
United Airlines Logo
7:45 am - 1:49 pmPHL  Philadelphia-GTF Great Falls
8h 04m1 stop Denver Intl
United Airlines Logo
6:30 am - 3:46 pmGTF  Great Falls-PHL Philadelphia
7h 16m1 stop Denver Intl
$458United Airlines
Fri, Nov 13 - Sat, Nov 14
Alaska Airlines Logo
7:02 am - 4:30 pmPHL  Philadelphia-GTF Great Falls
11h 28m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
5:10 pm - 5:32 amGTF  Great Falls-PHL Philadelphia
10h 22m1 stop Seattle/Tacoma Intl
$458Alaska Airlines
Tue, Nov 10 - Thu, Nov 12
Alaska Airlines Logo
7:02 am - 4:30 pmPHL  Philadelphia-GTF Great Falls
11h 28m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
5:10 pm - 5:32 amGTF  Great Falls-PHL Philadelphia
10h 22m1 stop Seattle/Tacoma Intl
$458Alaska Airlines
Wed, Nov 11 - Sun, Nov 15
United Airlines Logo
10:54 am - 9:38 pmPHL  Philadelphia-GTF Great Falls
12h 44m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
2:45 pm - 11:39 pmGTF  Great Falls-PHL Philadelphia
6h 54m1 stop Denver Intl
$464United Airlines
Wed, Nov 11 - Sat, Nov 14
United Airlines Logo
10:30 am - 9:38 pmPHL  Philadelphia-GTF Great Falls
13h 08m2 stops Washington, D.C. Dulles Intl Denver Intl
United Airlines Logo
6:30 am - 3:46 pmGTF  Great Falls-PHL Philadelphia
7h 16m1 stop Denver Intl
$464United 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 with more confidence.

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

Round-trip flights from Philadelphia to Great Falls typically range from $466 to $688. The lowest price found in the past 5 days was $388, on Alaska Airlines.

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

Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from Philadelphia to Great Falls. It’s 15% cheaper than the average day, while Thursday is the most expensive, with prices 31% higher.

What’s 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 ($711) 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

$200
Beat the crowds with an average 52% drop in travelers.
The most popular month to fly with an average 114% increase in travelers.
One-way 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 answers about this route, including flight times, airports, airlines and booking tips.

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

    Only Economy Class is available on flights from Philadelphia to Great Falls.

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

    A nonstop flight from Philadelphia to Great Falls takes 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.

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

    Round-trip flights from Philadelphia to Great Falls range from $466 to $688, with an average of $540 over the past 12 months. Anything below $466 counts as a good deal.

  • 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 $388 to $1,072. That means the highest observed fare was about 3x 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 in line with typical prices for this route. Average one-way fares are about $395.

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

    Great Falls Airport (GTF) hosts 5 major car rental companies, with daily rates averaging $92 for economy cars. Top options include:

    • Avis
    • Budget
    • Alamo
    • Hertz
    • Enterprise Rent-A-Car

  • 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).

  • 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) - 51% of one-stop connections
    • Salt Lake City (SLC) - 38% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 8% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 4% of one-stop connections

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

    Yes. Flexible dates can save you up to 35% on flights from Philadelphia to Great Falls. Sunday is the cheapest departure day at $463 round-trip on average, while Thursday is the most expensive at $711, a difference of $248.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

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

    Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 7h 16m, compared with 7h 17m via Chicago O'Hare Intl (ORD) 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.

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 are flexible, aim for a Sunday departure and avoid flying on Thursday. On this route, Sunday flights average $463, about $248 less than Thursday fares (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
    • Holiday Inn Express & Suites Great Falls By IHG
    • Comfort Inn & Suites Market - Airport

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
Vacations in Great Falls