$194+ 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 6/14. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — PDX
May 17 — May 241
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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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
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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 April 17, 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 April 17, 2026.
This Delta deal was found by Cheapflights users on 4/13. 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.
Wed 5/136:19 pm
GTF
- PDX
1 stop6h 25m
Delta
Wed 5/205:05 pm
PDX
- GTF
1 stop4h 21m
Delta
Deal found 4/13![Delta logo]()
$326
This Expedia deal was found by Cheapflights users on 4/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/116:15 pm
GTF
- PDX
1 stop5h 38m
Alaska Airlines
Mon 5/185:00 am
PDX
- GTF
1 stop12h 12m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 4/12. 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 5/109:26 pm
GTF
- PDX
2 stops20h 20m
Multiple Airlines
Sun 5/179:46 pm
PDX
- GTF
1 stop12h 06m
Multiple Airlines
Deal found 4/12![Multiple Airlines logo]()
$366
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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.
Sat 5/236:52 pm
GTF
- PDX
1 stop3h 36m
Alaska Airlines
Wed 5/275:00 am
PDX
- GTF
1 stop12h 12m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$372
This Expedia deal was found by Cheapflights users on 4/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:52 pm
GTF
- PDX
1 stop3h 36m
Alaska Airlines
Tue 6/95:00 am
PDX
- GTF
1 stop12h 12m
Alaska Airlines
Deal found 4/12![Alaska Airlines logo]()
$385
This Alaska Airlines deal was found by Cheapflights users on 4/12. 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 5/106:15 pm
GTF
- PDX
1 stop26h 19m
Alaska Airlines
Sun 5/175:00 am
PDX
- GTF
1 stop12h 12m
Alaska Airlines
Deal found 4/12![Alaska Airlines logo]()
$392
This Expedia deal was found by Cheapflights users on 4/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:52 pm
GTF
- PDX
1 stop3h 36m
Alaska Airlines
Thu 5/215:00 am
PDX
- GTF
1 stop12h 12m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$402
This Alaska Airlines deal was found by Cheapflights users on 4/12. 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 9/225:19 pm
GTF
- PDX
1 stop3h 31m
Alaska Airlines
Sat 9/2612:02 pm
PDX
- GTF
1 stop3h 37m
Alaska Airlines
Deal found 4/12![Alaska Airlines logo]()
$424
This Alaska Airlines deal was found by Cheapflights users on 4/13. 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 5/136:52 pm
GTF
- PDX
1 stop14h 10m
Alaska Airlines
Wed 5/202:35 pm
PDX
- GTF
2 stops26h 37m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$451
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 April 17, 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 April 17, 2026.
This Delta deal was found by Cheapflights users on 4/13. 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.
Wed 5/136:19 pm
GTF
- PDX
1 stop6h 25m
Delta
Wed 5/205:05 pm
PDX
- GTF
1 stop4h 21m
Delta
Deal found 4/13![Delta logo]()
$326
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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.
Sat 5/236:52 pm
GTF
- PDX
1 stop3h 36m
Alaska Airlines
Wed 5/275:00 am
PDX
- GTF
1 stop12h 12m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$372
This Alaska Airlines deal was found by Cheapflights users on 4/12. 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 9/225:19 pm
GTF
- PDX
1 stop3h 31m
Alaska Airlines
Sat 9/2612:02 pm
PDX
- GTF
1 stop3h 37m
Alaska Airlines
Deal found 4/12![Alaska Airlines logo]()
$424
This Delta deal was found by Cheapflights users on 4/12. 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 5/16:20 pm
GTF
- PDX
1 stop6h 33m
Delta
Fri 5/85:05 pm
PDX
- GTF
1 stop4h 21m
Delta
Deal found 4/12![Delta logo]()
$468
This Alaska Airlines deal was found by Cheapflights users on 4/13. 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 5/136:52 pm
GTF
- PDX
1 stop14h 10m
Alaska Airlines
Wed 5/202:35 pm
PDX
- GTF
2 stops26h 37m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$451
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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 5/146:52 pm
GTF
- PDX
2 stops22h 58m
Alaska Airlines
Thu 5/215:00 am
PDX
- GTF
1 stop12h 12m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$461
Last-minute flights from Great Falls to PortlandDiscover last-minute flight deals from Great Falls to Portland. Data last updated April 17, 2026 and is based on user searches.
Discover last-minute flight deals from Great Falls to Portland. Data last updated April 17, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/12. 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 5/16:20 pm
GTF
- PDX
1 stop6h 33m
Delta
Sat 5/95:01 pm
PDX
- GTF
1 stop4h 25m
Delta
Deal found 4/12![Delta logo]()
$461
This Alaska Airlines deal was found by Cheapflights users on 4/12. 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 5/16:15 pm
GTF
- PDX
1 stop5h 38m
Alaska Airlines
Sun 5/1011:59 am
PDX
- GTF
1 stop4h 36m
Alaska Airlines
Deal found 4/12![Alaska Airlines logo]()
$468
This Kiwi.com deal was found by Cheapflights users on 4/12. 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 5/109:26 pm
GTF
- PDX
2 stops20h 20m
Multiple Airlines
Sun 5/179:46 pm
PDX
- GTF
1 stop12h 06m
Multiple Airlines
Deal found 4/12![Multiple Airlines logo]()
$366
This Alaska Airlines deal was found by Cheapflights users on 4/12. 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 5/106:15 pm
GTF
- PDX
1 stop26h 19m
Alaska Airlines
Sun 5/175:00 am
PDX
- GTF
1 stop12h 12m
Alaska Airlines
Deal found 4/12![Alaska Airlines logo]()
$392
This Expedia deal was found by Cheapflights users on 4/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/116:15 pm
GTF
- PDX
1 stop5h 38m
Alaska Airlines
Mon 5/185:00 am
PDX
- GTF
1 stop12h 12m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$340
This Delta deal was found by Cheapflights users on 4/13. 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.
Wed 5/136:19 pm
GTF
- PDX
1 stop6h 25m
Delta
Wed 5/205:05 pm
PDX
- GTF
1 stop4h 21m
Delta
Deal found 4/13![Delta logo]()
$326
This Alaska Airlines deal was found by Cheapflights users on 4/13. 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 5/136:52 pm
GTF
- PDX
1 stop14h 10m
Alaska Airlines
Wed 5/202:35 pm
PDX
- GTF
2 stops26h 37m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$451
This Expedia deal was found by Cheapflights users on 4/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:52 pm
GTF
- PDX
1 stop3h 36m
Alaska Airlines
Thu 5/215:00 am
PDX
- GTF
1 stop12h 12m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$402
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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.
Sat 5/236:52 pm
GTF
- PDX
1 stop3h 36m
Alaska Airlines
Wed 5/275:00 am
PDX
- GTF
1 stop12h 12m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$372
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 April 17, 2026.
Search for one-way flight options from Great Falls to Portland. Find affordable one-way fares based on user searches. Data last updated April 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 6/149:05 pm
GTF
- PDX
2 stops18h 14m
Allegiant Air
Deal found 4/16![Allegiant Air logo]()
$194
This Delta deal was found by Cheapflights users on 4/16. 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 6/146:35 pm
GTF
- PDX
1 stop6h 11m
Delta
Deal found 4/16![Delta logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 4/15![Allegiant Air logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 4/15. 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
3 stops39h 31m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$298
This Delta deal was found by Cheapflights users on 4/15. 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 7/125:40 am
GTF
- PDX
1 stop3h 57m
Delta
Deal found 4/15![Delta logo]()
$324
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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 7/125:09 pm
GTF
- PDX
2 stops17h 37m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$414
This Delta deal was found by Cheapflights users on 4/15. 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 4/246:20 pm
GTF
- PDX
1 stop6h 33m
Delta
Deal found 4/15![Delta logo]()
$422
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 6/149:05 pm
GTF
- PDX
3 stops44h 30m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$424
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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 4/246:15 pm
GTF
- PDX
2 stops16h 28m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$512
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 April 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $326 (Delta) |
One-way from | $194 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $404 |
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 April 17, 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 - PDX
GTFPDX
Great Falls
Wed 5/13
6:19 pm-11:44 pm
1 stop6h 25m
Portland
Wed 5/20
5:05 pm-10:26 pm
1 stop4h 21m
$326
Great FallsPortland
GTF - PDX
GTFPDX
Great Falls
Sat 5/23
6:52 pm-9:28 pm
1 stop3h 36m
Portland
Wed 5/27
5:00 am-6:12 pm
1 stop12h 12m
$372
Quickest round-trip
Great FallsPortland
GTF - PDX
GTFPDX
Great Falls
Tue 9/22
5:19 pm-7:50 pm
1 stop3h 31m
Portland
Sat 9/26
12:02 pm-4:39 pm
1 stop3h 37m
$424
Great FallsPortland
GTF - PDX
GTFPDX
Great Falls
Wed 5/13
6:52 pm-8:02 am
1 stop14h 10m
Portland
Wed 5/20
2:35 pm-6:12 pm
2 stops26h 37m
$451
Great FallsPortland
GTF - PDX
GTFPDX
Great Falls
Thu 5/14
6:52 pm-4:50 pm
2 stops22h 58m
Portland
Thu 5/21
5:00 am-6:12 pm
1 stop12h 12m
$461
Great FallsPortland
GTF - PDX
GTFPDX
Great Falls
Fri 5/1
6:20 pm-11:53 pm
1 stop6h 33m
Portland
Fri 5/8
5:05 pm-10:26 pm
1 stop4h 21m
$468
Cheapest one-way
Great FallsPortland
GTF - PDX
GTFPDX
Great Falls
Sun 6/14
6:35 pm-11:46 pm
1 stop6h 11m
$222
Quickest one-way
Great FallsPortland
GTF - PDX
GTFPDX
Great Falls
Sun 7/12
5:40 am-8:37 am
1 stop3h 57m
$324
Great FallsPortland
GTF - PDX
GTFPDX
Great Falls
Sun 7/12
5:09 pm-9:46 am
2 stops17h 37m
$414
Great FallsPortland
GTF - PDX
GTFPDX
Great Falls
Sat 4/25
5:30 am-8:56 am
1 stop4h 26m
$422
Showing 1-10 of 13 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 April.
| 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.
Cheapflights Insights
Everything you need to know about your flight from Great Falls to Portland
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 April 17, 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
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Crew
8.5
Comfort
7.8
Food
7.0
Overall
7.9
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Crew
8.5
Comfort
7.8
Food
7.0
Overall
7.9
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
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
Vancouver
Lincoln City
Longview
Lake Oswego
Hillsboro
Clackamas
Troutdale
Cannon Beach
Long Beach
McMinnville
Tigard
The Dalles
Wilsonville
Depoe Bay
Stevenson
Tillamook
Astoria
Pacific City
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Great Falls and Portland flights
Browse other Great Falls and Portland flight options. Last updated on April 17, 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 April 17, 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 April 17, 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 April 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$273 | Average$415 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$284 | Average$423 | FlexibilityNo cancel fee | On-time75% |