PWM - GTF

$458 Find Cheap Flights from Portland to Great Falls - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$458
Typical prices: $615-$720
United Airlines
Sat 11/10Wed 11/14
PWM - GTF • 1 stop
Nonstop flights
There are currently no direct flights between Portland and Great Falls. You'll need to take a connecting flight to reach the destination.
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Top layover airports
Cheapest • Avg $565 (round-trip)
Shortest trip • 7h 39m (one-way)
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Cheap Flights from Portland to Great Falls (PWM-GTF)

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

Recent round-trip flight deals from Portland to Great Falls

Tue, Nov 10 - Sat, Nov 14
United Airlines Logo
3:23 pm - 9:38 pmPWM  Portland-GTF Great Falls
8h 15m1 stop Denver Intl
United Airlines Logo
6:30 am - 4:02 pmGTF  Great Falls-PWM Portland
7h 32m1 stop Denver Intl
$458United Airlines
Tue, Nov 10 - Sat, Nov 14
United Airlines Logo
8:49 am - 9:38 pmPWM  Portland-GTF Great Falls
14h 49m2 stops Newark Denver Intl
United Airlines Logo
6:30 am - 4:02 pmGTF  Great Falls-PWM Portland
7h 32m1 stop Denver Intl
$464United Airlines
Tue, Nov 10 - Sat, Nov 14
United Airlines Logo
9:46 am - 9:38 pmPWM  Portland-GTF Great Falls
13h 52m2 stops Washington, D.C. Dulles Intl Denver Intl
United Airlines Logo
6:30 am - 9:48 pmGTF  Great Falls-PWM Portland
13h 18m2 stops Denver Intl Chicago O'Hare Intl
$469United Airlines
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
3:23 pm - 9:38 pmPWM  Portland-GTF Great Falls
8h 15m1 stop Denver Intl
United Airlines Logo
6:30 am - 4:02 pmGTF  Great Falls-PWM Portland
7h 32m1 stop Denver Intl
$543United Airlines
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
5:30 am - 1:49 pmPWM  Portland-GTF Great Falls
10h 19m2 stops Washington, D.C. Dulles Intl Denver Intl
United Airlines Logo
6:30 am - 4:02 pmGTF  Great Falls-PWM Portland
7h 32m1 stop Denver Intl
$549United Airlines
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
6:00 am - 9:38 pmPWM  Portland-GTF Great Falls
17h 38m3 stops Newark San Francisco Denver Intl
United Airlines Logo
6:30 am - 4:02 pmGTF  Great Falls-PWM Portland
7h 32m1 stop Denver Intl
$554United Airlines
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
5:30 am - 9:38 pmPWM  Portland-GTF Great Falls
18h 08m3 stops Washington, D.C. Dulles Intl San Francisco Denver Intl
United Airlines Logo
6:30 am - 9:51 pmGTF  Great Falls-PWM Portland
13h 21m2 stops Denver Intl Chicago O'Hare Intl
$559United Airlines
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
3:23 pm - 9:38 pmPWM  Portland-GTF Great Falls
8h 15m1 stop Denver Intl
United Airlines Logo
6:30 am - 4:02 pmGTF  Great Falls-PWM Portland
7h 32m1 stop Denver Intl
$578United Airlines
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
3:23 pm - 9:38 pmPWM  Portland-GTF Great Falls
8h 15m1 stop Denver Intl
United Airlines Logo
6:30 am - 7:02 pmGTF  Great Falls-PWM Portland
10h 32m2 stops Denver Intl Washington, D.C. Dulles Intl
$584United Airlines
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
6:00 am - 9:38 pmPWM  Portland-GTF Great Falls
17h 38m3 stops Newark San Francisco Denver Intl
United Airlines Logo
6:30 am - 4:02 pmGTF  Great Falls-PWM Portland
7h 32m1 stop Denver Intl
$589United Airlines
Booking Insights

Price, demand and travel trends for Portland 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 Portland to Great Falls?

Round-trip flights from Portland to Great Falls typically range from $615 to $720. The lowest price found in the past 5 days was $458, on United Airlines.

Key details for Portland to Great Falls flights

Cheapest flight

$458
Round-trip flight from Portland to Great Falls

When to book flights from Portland to Great Falls

Are your dates flexible? Find out the best times to travel from Portland 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 Portland to Great Falls flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

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

    A nonstop flight from Portland to Great Falls takes 00m, covering 1,979 miles.

  • Do I need a passport to fly from Portland 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 Portland 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 $458 to $3,327. That means the highest observed fare was about 7x higher than the lowest one.

  • 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 Portland to Great Falls?

    Flights from Portland to Great Falls usually depart from Portland (PWM) and arrive at Great Falls (GTF).

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

    Connecting flights from Portland to Great Falls most commonly pass through:

    • Chicago O'Hare Intl (ORD) - 67% of one-stop connections
    • Denver Intl (DEN) - 33% of one-stop connections

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

    Yes. Flexible dates can save you up to 20% on flights from Portland to Great Falls. Thursday is the cheapest departure day at $615 round-trip on average, while Tuesday is the most expensive at $763, a difference of $148.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

    Flying via Chicago O'Hare Intl (ORD) gives the shortest average 1-stop total travel time at 7h 27m, compared with 7h 39m via Denver Intl (DEN).

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

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

Your guide to booking Portland to Great Falls flights

Get tips on when to book, when to fly and what to know before your trip.

More options for your flight from Portland to Great Falls

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