PDX - GTF

$277 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
$419
Typical prices: $314-$673
Alaska Airlines
Tue 1/30Fri 2/2
PDX - GTF • 1 stop
Cheapest one-way
$237
Typical prices: $193-$443
Delta
Mon 12/17
PDX - GTF • 1 stop
When to travel
April
Cheapest • 32% price drop
October
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Salt Lake City (SLC)
Cheapest • Avg $464 (round-trip)
Seattle/Tacoma Intl (SEA)
Shortest trip • 4h 06m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Portland to Great Falls (PDX-GTF)

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

Recent round-trip flight deals from Portland to Great Falls

Sat, Jan 30 - Tue, Feb 2
Alaska Airlines Logo
8:30 am - 3:28 pmPDX  Portland-GTF Great Falls
5h 58m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
4:08 pm - 9:48 amGTF  Great Falls-PDX Portland
18h 40m2 stops Seattle/Tacoma Intl Salt Lake City
$419Alaska Airlines
Sat, Jan 30 - Tue, Feb 2
Alaska Airlines Logo
5:30 pm - 3:28 pmPDX  Portland-GTF Great Falls
20h 58m2 stops Salt Lake City Seattle/Tacoma Intl
Alaska Airlines Logo
4:08 pm - 8:46 pmGTF  Great Falls-PDX Portland
29h 38m2 stops Seattle/Tacoma Intl Salt Lake City
$425Alaska Airlines
Sat, Jan 30 - Tue, Feb 2
Alaska Airlines Logo
8:30 am - 3:28 pmPDX  Portland-GTF Great Falls
5h 58m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
4:08 pm - 11:53 pmGTF  Great Falls-PDX Portland
8h 45m1 stop Seattle/Tacoma Intl
$432Alaska Airlines
Wed, Oct 28 - Wed, Nov 4
Delta Logo
5:15 pm - 10:40 pmPDX  Portland-GTF Great Falls
4h 25m1 stop Salt Lake City
Delta Logo
6:27 pm - 10:18 pmGTF  Great Falls-PDX Portland
4h 51m1 stop Salt Lake City
$434Delta
Wed, Oct 28 - Wed, Nov 4
Delta Logo
7:10 am - 5:47 pmPDX  Portland-GTF Great Falls
9h 37m2 stops Seattle/Tacoma Intl Salt Lake City
Delta Logo
6:27 pm - 10:18 pmGTF  Great Falls-PDX Portland
4h 51m1 stop Salt Lake City
$440Delta
Sat, Nov 7 - Sat, Nov 14
Delta Logo
5:15 pm - 10:40 pmPDX  Portland-GTF Great Falls
4h 25m1 stop Salt Lake City
Delta Logo
6:19 pm - 10:26 pmGTF  Great Falls-PDX Portland
5h 07m1 stop Salt Lake City
$474Delta
Wed, Nov 25 - Mon, Nov 30
Delta Logo
9:58 am - 5:39 pmPDX  Portland-GTF Great Falls
6h 41m1 stop Salt Lake City
Delta Logo
5:30 am - 8:58 amGTF  Great Falls-PDX Portland
4h 28m1 stop Salt Lake City
$474Delta
Wed, Nov 25 - Mon, Nov 30
Delta Logo
5:30 am - 5:39 pmPDX  Portland-GTF Great Falls
11h 09m2 stops Seattle/Tacoma Intl Salt Lake City
Delta Logo
5:30 am - 8:58 amGTF  Great Falls-PDX Portland
4h 28m1 stop Salt Lake City
$480Delta
Sat, Nov 7 - Sat, Nov 14
Delta Logo
9:55 am - 5:47 pmPDX  Portland-GTF Great Falls
6h 52m1 stop Salt Lake City
Delta Logo
1:21 pm - 8:44 pmGTF  Great Falls-PDX Portland
8h 23m2 stops Salt Lake City Seattle/Tacoma Intl
$480Delta
Fri, Oct 9 - Sun, Oct 11
United Airlines Logo
3:23 pm - 9:22 pmPDX  Portland-GTF Great Falls
28h 59m2 stops San Francisco Denver Intl
United Airlines Logo
6:15 am - 9:10 pmGTF  Great Falls-PDX Portland
15h 55m1 stop Denver Intl
$807United 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 from Portland to Great Falls with more confidence.

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

Round-trip flights from Portland to Great Falls start at $419. Prices are typical for this route right now, with typical round-trip fares ranging from $314 to $673. The lowest price found in the past 5 days was $419 on Alaska Airlines.

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

Wednesday is the cheapest day of the week to fly from Portland to Great Falls, it is 32% cheaper than the average day. Thursday is the most expensive day with flight prices 84% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

•April is the cheapest month to fly from Portland to Great Falls at $273 round-trip.
•January ($944) and July ($801) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 245% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Portland to Great Falls flights

Low season

January

Cheapest flight

$237
Best time to beat the crowds but there is an average 136% increase in price.
Most popular time to fly with an average 27% increase in price.
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

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

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

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

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

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

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

    • Seattle/Tacoma Intl (SEA) - 62% of one-stop connections
    • Salt Lake City (SLC) - 38% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

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

    Yes. Being flexible with your travel dates can save you up to 63% on the Portland to Great Falls route. Wednesday is the cheapest departure day at $275 round-trip on average, while Thursday is the most expensive at $738, a difference of $463. 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 long is a flight from Portland to Great Falls?

    There are currently no nonstop flights available from Portland to Great Falls. Flights with 1 layover take between 4h 06m and 5h 49m in total, depending on the connection.

  • 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 $419 to $1,615. That means the highest observed fare was about 4x higher than the lowest one.

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

    One-way fares from Portland to Great Falls are currently higher than usual. Average one-way flight prices are about $345, which is 9% above the typical average for this route.

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

    Flying via Seattle/Tacoma Intl (SEA) gives the shortest average 1-stop total travel time at 4h 06m, compared with 5h 49m via Salt Lake City (SLC).

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

    Great Falls is 1 hour ahead of Portland (Mountain Time vs Pacific 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 Portland to Great Falls flight?

    Round-trip flights from Portland to Great Falls range from $314 to $673, with an average of $400 over the past 12 months. Anything below $314 counts as a good deal.

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.
  • If your dates can be flexible, aim for a Wednesday departure instead of Thursday. On this route, Wednesday flights average $275 - about $463 less than Thursday (63% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Portland to Great Falls trip for April. Fares historically average $273 round-trip in that month - typically $671 less than the most expensive month, which is January (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 Portland 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