$202+ Cheap flights from Great Falls to Portland (GTF - PDX)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — PDX
Jul 26 — Aug 21
Round-trip
1 adult, Economy
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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
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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 June 26, 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 June 26, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/23. 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 11/114:57 pm
GTF
- PDX
1 stop5h 58m
Alaska Airlines
Sat 11/1410:45 am
PDX
- GTF
1 stop4h 32m
Alaska Airlines
Deal found 6/23![Alaska Airlines logo]()
$346
This Delta deal was found by Cheapflights users on 6/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:21 pm
GTF
- PDX
2 stops6h 33m
Delta
Tue 9/227:00 am
PDX
- GTF
2 stops9h 41m
Delta
Deal found 6/23![Delta logo]()
$369
This Alaska Airlines deal was found by Cheapflights users on 6/23. 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.
Thu 9/175:19 pm
GTF
- PDX
1 stop21h 18m
Alaska Airlines
Tue 9/227:09 am
PDX
- GTF
1 stop8h 30m
Alaska Airlines
Deal found 6/23![Alaska Airlines logo]()
$372
This Alaska Airlines deal was found by Cheapflights users on 6/24. 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 9/255:19 pm
GTF
- PDX
1 stop17h 21m
Alaska Airlines
Mon 9/2811:48 am
PDX
- GTF
1 stop3h 51m
Alaska Airlines
Deal found 6/24![Alaska Airlines logo]()
$388
This Alaska Airlines deal was found by Cheapflights users on 6/26. 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.
Thu 8/275:18 pm
GTF
- PDX
1 stop24h 31m
Alaska Airlines
Mon 8/315:41 pm
PDX
- GTF
1 stop21h 57m
Alaska Airlines
Deal found 6/26![Alaska Airlines logo]()
$392
This Delta deal was found by Cheapflights users on 6/24. 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 8/135:40 am
GTF
- PDX
1 stop3h 57m
Delta
Sat 8/229:45 am
PDX
- GTF
1 stop6h 53m
Delta
Deal found 6/24![Delta logo]()
$395
This Alaska Airlines deal was found by Cheapflights users on 6/24. 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.
Thu 9/105:19 pm
GTF
- PDX
1 stop3h 31m
Alaska Airlines
Sun 9/139:32 pm
PDX
- GTF
1 stop18h 07m
Alaska Airlines
Deal found 6/24![Alaska Airlines logo]()
$398
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 June 26, 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 June 26, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/22. 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.
Wed 11/114:57 pm
GTF
- PDX
1 stop7h 03m
Alaska Airlines
Sat 11/1410:45 am
PDX
- GTF
1 stop4h 32m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$362
This Delta deal was found by Cheapflights users on 6/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:21 pm
GTF
- PDX
2 stops6h 33m
Delta
Tue 9/227:00 am
PDX
- GTF
2 stops9h 41m
Delta
Deal found 6/23![Delta logo]()
$369
This Alaska Airlines deal was found by Cheapflights users on 6/25. 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.
Fri 9/255:19 pm
GTF
- PDX
1 stop15h 59m
Alaska Airlines
Mon 9/283:00 pm
PDX
- GTF
1 stop24h 39m
Alaska Airlines
Deal found 6/25![Alaska Airlines logo]()
$372
This Delta deal was found by Cheapflights users on 6/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:18 pm
GTF
- PDX
1 stop6h 21m
Delta
Mon 8/179:45 am
PDX
- GTF
1 stop6h 53m
Delta
Deal found 6/25![Delta logo]()
$444
This Delta deal was found by Cheapflights users on 6/24. 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 8/131:08 pm
GTF
- PDX
1 stop5h 57m
Delta
Sat 8/225:30 am
PDX
- GTF
2 stops11h 08m
Delta
Deal found 6/24![Delta logo]()
$482
This Alaska Airlines deal was found by Cheapflights users on 6/21. 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 7/175:09 pm
GTF
- PDX
2 stops16h 53m
Alaska Airlines
Mon 7/207:38 pm
PDX
- GTF
1 stop19h 51m
Alaska Airlines
Deal found 6/21![Alaska Airlines logo]()
$564
Last-minute flights from Great Falls to PortlandDiscover last-minute flight deals from Great Falls to Portland. Data last updated June 26, 2026 and is based on user searches.
Discover last-minute flight deals from Great Falls to Portland. Data last updated June 26, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/310:19 am
GTF
- PDX
1 stop8h 05m
Multiple Airlines
Thu 7/96:49 pm
PDX
- GTF
1 stop13h 45m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$634
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/310:19 am
GTF
- PDX
1 stop8h 05m
Multiple Airlines
Sun 7/56:49 pm
PDX
- GTF
1 stop13h 40m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$645
This Delta deal was found by Cheapflights users on 6/24. 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 7/95:40 am
GTF
- PDX
1 stop3h 57m
Delta
Mon 7/135:14 pm
PDX
- GTF
1 stop4h 23m
Delta
Deal found 6/24![Delta logo]()
$628
This Alaska Airlines deal was found by Cheapflights users on 6/23. 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.
Tue 7/145:09 pm
GTF
- PDX
1 stop5h 13m
Alaska Airlines
Tue 7/2110:35 am
PDX
- GTF
1 stop4h 54m
Alaska Airlines
Deal found 6/23![Alaska Airlines logo]()
$625
This Orbitz deal was found by Cheapflights users on 6/26. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/165:09 pm
GTF
- PDX
1 stop6h 16m
Alaska Airlines
Mon 8/318:07 am
PDX
- GTF
1 stop7h 31m
Alaska Airlines
Deal found 6/26![Alaska Airlines logo]()
$529
This Alaska Airlines deal was found by Cheapflights users on 6/25. 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.
Thu 7/165:09 pm
GTF
- PDX
1 stop8h 13m
Alaska Airlines
Mon 7/209:30 pm
PDX
- GTF
1 stop17h 59m
Alaska Airlines
Deal found 6/25![Alaska Airlines logo]()
$639
This Alaska Airlines deal was found by Cheapflights users on 6/21. 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 7/175:09 pm
GTF
- PDX
2 stops16h 53m
Alaska Airlines
Mon 7/207:38 pm
PDX
- GTF
1 stop19h 51m
Alaska Airlines
Deal found 6/21![Alaska Airlines logo]()
$564
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 June 26, 2026.
Search for one-way flight options from Great Falls to Portland. Find affordable one-way fares based on user searches. Data last updated June 26, 2026.
This Delta deal was found by Cheapflights users on 6/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:40 am
GTF
- PDX
1 stop3h 57m
Delta
Deal found 6/23![Delta logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/269:10 pm
GTF
- PDX
2 stops20h 16m
Allegiant Air
Deal found 6/25![Allegiant Air logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2710:19 am
GTF
- PDX
2 stops31h 12m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$221
This Delta deal was found by Cheapflights users on 6/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/255:40 am
GTF
- PDX
2 stops7h 01m
Delta
Deal found 6/25![Delta logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/99:10 pm
GTF
- PDX
2 stops20h 16m
Allegiant Air
Deal found 6/25![Allegiant Air logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1010:24 am
GTF
- PDX
1 stop7h 30m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$291
This Priceline deal was found by Cheapflights users on 6/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/255:09 pm
GTF
- PDX
1 stop6h 16m
Alaska Airlines
Deal found 6/25![Alaska Airlines logo]()
$293
This Delta deal was found by Cheapflights users on 6/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/265:40 am
GTF
- PDX
1 stop3h 57m
Delta
Deal found 6/25![Delta logo]()
$312
This Delta deal was found by Cheapflights users on 6/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/91:17 pm
GTF
- PDX
1 stop6h 01m
Delta
Deal found 6/25![Delta logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/269:10 pm
GTF
- PDX
3 stops44h 21m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$395
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 June 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $346 (Alaska Airlines) |
One-way from | $202 (Delta) |
Popular in | October |
Cheapest in | May |
Average price | $590 |
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 2,558,603 searches. Data last updated June 26, 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
Quickest round-trip
Great FallsPortland
GTF - PDX
GTFPDX
Great Falls
Wed 11/11
4:57 pm-11:00 pm
1 stop7h 03m
Portland
Sat 11/14
10:45 am-4:17 pm
1 stop4h 32m
$362
Great FallsPortland
GTF - PDX
GTFPDX
Great Falls
Thu 9/17
6:21 pm-11:54 pm
2 stops6h 33m
Portland
Tue 9/22
7:00 am-5:41 pm
2 stops9h 41m
$369
Great FallsPortland
GTF - PDX
GTFPDX
Great Falls
Fri 9/25
5:19 pm-8:18 am
1 stop15h 59m
Portland
Mon 9/28
3:00 pm-4:39 pm
1 stop24h 39m
$372
Great FallsPortland
GTF - PDX
GTFPDX
Great Falls
Thu 8/13
6:18 pm-11:39 pm
1 stop6h 21m
Portland
Mon 8/17
9:45 am-5:38 pm
1 stop6h 53m
$444
Great FallsPortland
GTF - PDX
GTFPDX
Great Falls
Thu 8/13
1:08 pm-6:05 pm
1 stop5h 57m
Portland
Sat 8/22
5:30 am-5:38 pm
2 stops11h 08m
$482
Great FallsPortland
GTF - PDX
GTFPDX
Great Falls
Fri 7/17
5:09 pm-9:02 am
2 stops16h 53m
Portland
Mon 7/20
7:38 pm-4:29 pm
1 stop19h 51m
$564
Cheapest one-way
Quickest one-way
Great FallsPortland
GTF - PDX
GTFPDX
Great Falls
Tue 7/28
5:40 am-8:37 am
1 stop3h 57m
$202
Great FallsPortland
GTF - PDX
GTFPDX
Great Falls
Wed 7/29
5:40 am-8:37 am
1 stop3h 57m
$202
Great FallsPortland
GTF - PDX
GTFPDX
Great Falls
Sun 7/26
9:10 pm-4:26 pm
2 stops20h 16m
$213
Great FallsPortland
GTF - PDX
GTFPDX
Great Falls
Thu 7/9
1:17 pm-6:18 pm
1 stop6h 01m
$314
Showing 1-10 of 11 resultsSorted 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 June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | 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 June 26, 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
Food
7.0
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Food
7.0
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Food
7.0
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Overall
7.9
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 locationsSeaside
Beaverton
Vancouver
Lincoln City
Longview
Lake Oswego
Hillsboro
Clackamas
Troutdale
Cannon Beach
Long Beach
McMinnville
The Dalles
Wilsonville
Depoe Bay
Stevenson
Tillamook
Astoria
Gresham
Silverton
Browse thousands of different options on Cheapflights for your next trip
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Great Falls and Portland flights
Browse other Great Falls and Portland flight options. Last updated on June 26, 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 June 26, 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 June 26, 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 2,558,603 searches. Data last updated June 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$222 | Average$454 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$222 | Average$468 | FlexibilityNo cancel fee | On-time75% |