$230+ Cheap flights from Great Falls to Portland (GTF - PDX)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — PDX
Nov 26 — Dec 31
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Great Falls to Portland with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Great Falls to Portland
Cheapest
Best
Last-minute
One-way
Cheapest flights from Great Falls to PortlandExplore the most affordable flight options available from Great Falls to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2026.
Explore the most affordable flight options available from Great Falls to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/274:41 pm -
1 stop16h 39m
Wed 12/96:26 am -
1 stop8h 45m
Deal found 10/22![Alaska Airlines logo]()
$427
This Alaska Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/294:41 pm -
1 stop7h 17m
Wed 12/96:26 am -
1 stop8h 45m
Deal found 10/22![Alaska Airlines logo]()
$437
This Alaska Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/274:41 pm -
1 stop6h 13m
Tue 12/87:00 am -
2 stops8h 11m
Deal found 10/22![Alaska Airlines logo]()
$481
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/275:30 am -
2 stops9h 05m
Tue 12/82:15 pm -
2 stops21h 24m
Deal found 10/22![Delta logo]()
$488
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:19 pm -
1 stop6h 40m
Fri 12/49:57 am -
1 stop6h 42m
Deal found 10/26![Delta logo]()
$494
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/275:30 am -
2 stops9h 05m
Mon 12/79:16 am -
2 stops7h 23m
Deal found 10/22![Delta logo]()
$503
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/281:21 pm -
1 stop5h 53m
Tue 12/85:59 pm -
2 stops17h 40m
Deal found 10/22![Delta logo]()
$521
This Priceline deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/235:12 pm -
1 stop4h 42m
Fri 1/19:22 am -
1 stop6h 10m
Deal found 10/26![Alaska Airlines logo]()
$528
This Alaska Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/254:41 pm -
1 stop4h 08m
Sun 11/2910:44 pm -
2 stops40h 27m
Deal found 10/23![Alaska Airlines logo]()
$547
Best flights from Great Falls to PortlandDiscover carefully curated flight deals from Great Falls to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 27, 2026.
Discover carefully curated flight deals from Great Falls to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 27, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/274:08 pm -
1 stop4h 41m
Sat 1/306:25 am -
1 stop8h 03m
Deal found 10/26![Alaska Airlines logo]()
$422
This Alaska Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/294:41 pm -
1 stop6h 13m
Tue 12/810:30 am -
1 stop4h 41m
Deal found 10/22![Alaska Airlines logo]()
$437
This Alaska Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/294:41 pm -
1 stop6h 13m
Wed 12/97:00 am -
2 stops8h 11m
Deal found 10/22![Alaska Airlines logo]()
$481
This Alaska Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/274:41 pm -
1 stop6h 13m
Tue 12/87:00 am -
2 stops8h 11m
Deal found 10/22![Alaska Airlines logo]()
$481
Last-minute flights from Great Falls to PortlandDiscover last-minute flight deals from Great Falls to Portland. Data last updated October 27, 2026 and is based on user searches.
Discover last-minute flight deals from Great Falls to Portland. Data last updated October 27, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/234:41 pm -
2 stops17h 49m
Mon 11/309:30 pm -
1 stop17h 41m
Deal found 10/25![Alaska Airlines logo]()
$569
This Alaska Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/254:41 pm -
1 stop4h 08m
Sun 11/2910:44 pm -
2 stops40h 27m
Deal found 10/23![Alaska Airlines logo]()
$547
This Alaska Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/274:41 pm -
1 stop16h 39m
Wed 12/96:26 am -
1 stop8h 45m
Deal found 10/22![Alaska Airlines logo]()
$427
This Alaska Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/274:41 pm -
1 stop6h 13m
Tue 12/87:00 am -
2 stops8h 11m
Deal found 10/22![Alaska Airlines logo]()
$481
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/275:30 am -
2 stops9h 05m
Tue 12/82:15 pm -
2 stops21h 24m
Deal found 10/22![Delta logo]()
$488
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/275:30 am -
2 stops9h 05m
Mon 12/79:16 am -
2 stops7h 23m
Deal found 10/22![Delta logo]()
$503
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/281:21 pm -
1 stop5h 53m
Tue 12/85:45 am -
1 stop5h 54m
Deal found 10/22![Delta logo]()
$521
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/281:21 pm -
1 stop5h 53m
Mon 12/75:45 am -
1 stop5h 54m
Deal found 10/22![Delta logo]()
$568
This Alaska Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/294:41 pm -
1 stop7h 17m
Wed 12/96:26 am -
1 stop8h 45m
Deal found 10/22![Alaska Airlines logo]()
$437
One-way flights from Great Falls to PortlandSearch for one-way flight options from Great Falls to Portland. Find affordable one-way fares based on user searches. Data last updated October 27, 2026.
Search for one-way flight options from Great Falls to Portland. Find affordable one-way fares based on user searches. Data last updated October 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates ” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/129:22 am -
2 stops25h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$230
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:19 pm -
1 stop6h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Delta logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/254:41 pm -
2 stops17h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Alaska Airlines logo]()
$346
This Priceline deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:10 pm -
1 stop4h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Alaska Airlines logo]()
$357
Find flight deals from Great Falls to Portland
Discover tips and strategies to find the most affordable flight options for your journey from Great Falls (GTF) to Portland (PDX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $422 (Alaska Airlines) |
One-way from | $230 (Kiwi.com) |
Popular in | June |
Cheapest in | May |
Average price | $438 |
Cheapflights Fare Finder
Customize your flight search to find flights from Great Falls to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 27, 2026.
Use the filters below to find and compare flights from Great Falls to Portland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Great FallsPortland
GTF Great Falls - PDX Portland
GTFPDX
Great Falls
Thu 11/12
9:22 am-10:11 am
2 stops25h 49m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$230
Quickest round-trip
Great FallsPortland
GTF Great Falls - PDX Portland
GTFPDX
Great Falls
Thu 11/12
6:19 pm-11:51 pm
1 stop6h 32m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$297
Great FallsPortland
GTF Great Falls - PDX Portland
GTFPDX
Great Falls
Wed 11/25
4:41 pm-9:34 am
2 stops17h 53m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$346
Great FallsPortland
GTF Great Falls - PDX Portland
GTFPDX
Great Falls
Wed 1/27
4:08 pm-7:49 pm
1 stop4h 41m
Portland
Sat 1/30
6:25 am-3:28 pm
1 stop8h 03m
$422
Great FallsPortland
GTF Great Falls - PDX Portland
GTFPDX
Great Falls
Sun 11/29
4:41 pm-9:54 pm
1 stop6h 13m
Portland
Tue 12/8
10:30 am-4:11 pm
1 stop4h 41m
$437
Great FallsPortland
GTF Great Falls - PDX Portland
GTFPDX
Great Falls
Sun 11/29
4:41 pm-9:54 pm
1 stop6h 13m
Portland
Wed 12/9
7:00 am-4:11 pm
2 stops8h 11m
$481
Great FallsPortland
GTF Great Falls - PDX Portland
GTFPDX
Great Falls
Fri 11/27
4:41 pm-9:54 pm
1 stop6h 13m
Portland
Tue 12/8
7:00 am-4:11 pm
2 stops8h 11m
$481
Sorted by cheapest first
Compare providers for flights from Great Falls to Portland
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Great Falls to Portland in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Great Falls-Portland flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Great Falls-Portland flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Great Falls-Portland flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Great Falls-Portland flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Great Falls-Portland flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Great Falls to Portland
Have a flexible travel schedule? Discover the best time to fly to Portland from Great Falls with our price prediction graph.
GTF-PDX
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Reviews of airlines servicing Portland
Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated October 27, 2026.
Read reviews from past customers who have flown Alaska Airlines and Delta from Great Falls to Portland. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Comfort
7.8
Food
7.0
Overall
7.9
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Comfort
7.8
Food
7.0
Overall
7.9
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Comfort
7.8
Food
7.0
Overall
7.9
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Related info for your journey
Find useful and relevant information for your journey from Great Falls to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsBeaverton
Seaside
Durham
Cannon Beach
Longview
Lake Oswego
Lincoln City
Vancouver
Kelso
Troutdale
Clackamas
McMinnville
The Dalles
Wilsonville
Stevenson
Hillsboro
Tillamook
Astoria
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Great Falls
Popular flights
Portland flight routes
Alternative routes for Great Falls to Portland
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Portland by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Great Falls to Portland by cabin class
Find flights from Great Falls to Portland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Great Falls and Portland flights
Browse other Great Falls and Portland flight options. Last updated on October 27, 2026.
Other flights from Great Falls
Browse through other flights departing from Great Falls. Flights are based on user searches made on Cheapflights and were last updated on October 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Portland
Explore flights to Portland departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 27, 2026.
Top 2 airlines flying from Great Falls to Portland
Discover the top 2 airlines that operate flights from Great Falls to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$222 | Average$454 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$284 | Average$454 | FlexibilityNo cancel fee | On-time75% |