$277+ Cheap flights from Portland to Great Falls (PDX - GTF)
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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — GTF
Oct 25 — Nov 11
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Great Falls 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 Portland to Great Falls
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Cheapest flights from Portland to Great FallsExplore the most affordable flight options available from Portland to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 25, 2026.
Explore the most affordable flight options available from Portland to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 25, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 11/148:08 am -
1 stop7h 22m
Tue 11/175:10 pm -
1 stop7h 44m
Deal found 9/20![Alaska Airlines logo]()
$432
This Delta deal was found by Cheapflights users on 9/20. 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 11/175:45 am -
1 stop5h 56m
Tue 11/176:19 pm -
1 stop6h 32m
Deal found 9/20![Delta logo]()
$434
This Delta deal was found by Cheapflights users on 9/23. 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.
Wed 10/287:10 am -
2 stops9h 37m
Wed 11/46:27 pm -
1 stop4h 51m
Deal found 9/23![Delta logo]()
$440
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 11/132:10 pm -
1 stop25h 20m
Tue 11/175:10 pm -
1 stop19h 12m
Deal found 9/20![Alaska Airlines logo]()
$442
This Priceline deal was found by Cheapflights users on 9/24. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/710:35 am -
1 stop4h 55m
Wed 11/115:10 pm -
1 stop6h 50m
Deal found 9/24![Alaska Airlines logo]()
$443
This Delta deal was found by Cheapflights users on 9/20. 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 11/175:30 am -
2 stops11h 09m
Wed 11/181:21 pm -
2 stops11h 15m
Deal found 9/20![Delta logo]()
$445
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 11/147:08 am -
1 stop8h 22m
Mon 11/165:10 pm -
2 stops17h 18m
Deal found 9/20![Alaska Airlines logo]()
$449
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 11/137:35 pm -
1 stop19h 55m
Wed 11/185:10 pm -
2 stops17h 18m
Deal found 9/20![Alaska Airlines logo]()
$451
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 11/129:59 pm -
1 stop17h 31m
Wed 11/185:10 pm -
1 stop7h 44m
Deal found 9/20![Alaska Airlines logo]()
$452
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 11/1410:35 am -
1 stop4h 55m
Sat 11/214:41 pm -
1 stop6h 13m
Deal found 9/20![Alaska Airlines logo]()
$453
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 11/1510:35 am -
1 stop4h 55m
Tue 11/175:10 pm -
1 stop6h 50m
Deal found 9/20![Alaska Airlines logo]()
$454
Best flights from Portland to Great FallsDiscover carefully curated flight deals from Portland to Great Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 25, 2026.
Discover carefully curated flight deals from Portland to Great Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 25, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/22. 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.
Sat 1/308:30 am -
1 stop5h 58m
Tue 2/24:08 pm -
1 stop8h 45m
Deal found 9/22![Alaska Airlines logo]()
$412
This Delta deal was found by Cheapflights users on 9/23. 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.
Wed 10/285:15 pm -
1 stop4h 25m
Wed 11/46:27 pm -
1 stop4h 51m
Deal found 9/23![Delta logo]()
$434
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 11/147:08 am -
1 stop8h 22m
Mon 11/165:10 pm -
2 stops17h 18m
Deal found 9/20![Alaska Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 9/20. 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 11/175:30 am -
2 stops11h 09m
Fri 11/205:30 am -
2 stops6h 22m
Deal found 9/20![Delta logo]()
$465
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 11/178:08 am -
1 stop7h 22m
Sat 11/214:41 pm -
1 stop5h 10m
Deal found 9/20![Alaska Airlines logo]()
$453
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 11/1612:04 pm -
1 stop3h 26m
Thu 11/195:10 pm -
1 stop5h 45m
Deal found 9/20![Alaska Airlines logo]()
$474
Last-minute flights from Portland to Great FallsDiscover last-minute flight deals from Portland to Great Falls. Data last updated September 25, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Great Falls. Data last updated September 25, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 9/21. 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 10/210:30 am -
1 stop5h 09m
Sun 10/45:15 pm -
1 stop4h 43m
Deal found 9/21![Alaska Airlines logo]()
$804
This Delta deal was found by Cheapflights users on 9/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:00 am -
2 stops9h 41m
Sun 10/41:15 pm -
1 stop6h 01m
Deal found 9/21![Delta logo]()
$810
This Alaska Airlines deal was found by Cheapflights users on 9/21. 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.
Tue 10/66:09 am -
1 stop9h 26m
Sat 10/105:15 pm -
1 stop3h 39m
Deal found 9/21![Alaska Airlines logo]()
$694
This Delta deal was found by Cheapflights users on 9/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:30 am -
2 stops11h 17m
Sat 10/105:40 am -
1 stop4h 10m
Deal found 9/21![Delta logo]()
$700
This Delta deal was found by Cheapflights users on 9/24. 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.
Fri 10/95:30 am -
2 stops11h 17m
Tue 10/136:27 pm -
2 stops6h 32m
Deal found 9/24![Delta logo]()
$705
This Delta deal was found by Cheapflights users on 9/23. 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 10/159:55 am -
1 stop6h 52m
Sun 10/185:40 am -
1 stop7h 23m
Deal found 9/23![Delta logo]()
$554
This Alaska Airlines deal was found by Cheapflights users on 9/23. 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 10/157:18 am -
2 stops8h 17m
Sun 10/185:15 pm -
2 stops23h 45m
Deal found 9/23![Alaska Airlines logo]()
$691
This Delta deal was found by Cheapflights users on 9/23. 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.
Wed 10/285:15 pm -
1 stop4h 25m
Wed 11/46:27 pm -
1 stop4h 51m
Deal found 9/23![Delta logo]()
$434
One-way flights from Portland to Great FallsSearch for one-way flight options from Portland to Great Falls. Find affordable one-way fares based on user searches. Data last updated September 25, 2026.
Search for one-way flight options from Portland to Great Falls. Find affordable one-way fares based on user searches. Data last updated September 25, 2026.
This Delta deal was found by Cheapflights users on 9/20. 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 10/135:15 pm -
1 stop4h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 9/20. 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 10/157:10 am -
2 stops9h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Delta logo]()
$283
This Priceline deal was found by Cheapflights users on 9/20. 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 10/147:18 am -
2 stops8h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Alaska Airlines logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 10/135:48 pm -
2 stops21h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Alaska Airlines logo]()
$322
This Delta deal was found by Cheapflights users on 9/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/49:46 am -
1 stop6h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Delta logo]()
$347
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 10/169:33 pm -
2 stops18h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Alaska Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 9/20. 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.
Mon 10/125:15 pm -
1 stop4h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Delta logo]()
$384
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 10/125:48 pm -
2 stops21h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Alaska Airlines logo]()
$396
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 10/1612:25 pm -
3 stops43h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$438
This United Airlines deal was found by Cheapflights users on 9/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1211:59 pm -
3 stops20h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![United Airlines logo]()
$462
This United Airlines deal was found by Cheapflights users on 9/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:30 pm -
3 stops20h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![United Airlines logo]()
$563
Find flight deals from Portland to Great Falls
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Great Falls (GTF). 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 September 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $412 (Alaska Airlines) |
One-way from | $237 (Delta) |
Popular in | January |
Cheapest in | April |
Average price | $382 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Great Falls 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 September 25, 2026.
Use the filters below to find and compare flights from Portland to Great Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
PortlandGreat Falls
PDX Portland - GTF Great Falls
PDXGTF
Portland
Thu 10/15
5:15 pm-10:40 pm
1 stop4h 25m
Great Falls
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$277
PortlandGreat Falls
PDX Portland - GTF Great Falls
PDXGTF
Portland
Wed 10/14
5:33 am-12:38 pm
1 stop6h 05m
Great Falls
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$277
PortlandGreat Falls
PDX Portland - GTF Great Falls
PDXGTF
Portland
Fri 10/16
9:33 pm-4:35 pm
2 stops18h 02m
Great Falls
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$349
PortlandGreat Falls
PDX Portland - GTF Great Falls
PDXGTF
Portland
Sat 1/30
8:30 am-3:28 pm
1 stop5h 58m
Great Falls
Tue 2/2
4:08 pm-11:53 pm
1 stop8h 45m
$412
PortlandGreat Falls
PDX Portland - GTF Great Falls
PDXGTF
Portland
Wed 10/28
5:15 pm-10:40 pm
1 stop4h 25m
Great Falls
Wed 11/4
6:27 pm-10:18 pm
1 stop4h 51m
$434
PortlandGreat Falls
PDX Portland - GTF Great Falls
PDXGTF
Portland
Sat 11/14
7:08 am-4:30 pm
1 stop8h 22m
Great Falls
Mon 11/16
5:10 pm-9:28 am
2 stops17h 18m
$449
PortlandGreat Falls
PDX Portland - GTF Great Falls
PDXGTF
Portland
Tue 11/17
8:08 am-4:30 pm
1 stop7h 22m
Great Falls
Sat 11/21
4:41 pm-8:51 pm
1 stop5h 10m
$453
PortlandGreat Falls
PDX Portland - GTF Great Falls
PDXGTF
Portland
Thu 10/15
3:23 pm-9:22 pm
3 stops28h 59m
Great Falls
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$462
PortlandGreat Falls
PDX Portland - GTF Great Falls
PDXGTF
Portland
Tue 10/13
11:30 pm-9:22 pm
3 stops20h 52m
Great Falls
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$462
PortlandGreat Falls
PDX Portland - GTF Great Falls
PDXGTF
Portland
Tue 11/17
5:30 am-5:39 pm
2 stops11h 09m
Great Falls
Fri 11/20
5:30 am-10:52 am
2 stops6h 22m
$465
Showing 1-10 of 11 resultsSorted by cheapest first
Compare providers for flights from Portland to Great Falls
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 Portland to Great Falls in September.
| 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 Portland-Great Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Great Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Great Falls flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland-Great Falls 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 Portland-Great Falls 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 Portland to Great Falls
Have a flexible travel schedule? Discover the best time to fly to Great Falls from Portland with our price prediction graph.
PDX-GTF
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 Portland to Great Falls
What is the cheapest month to book a flight from Portland to Great Falls?
Currently, April is the cheapest month in which you can book a flight from Portland to Great Falls (average of $273). Flying from Portland to Great Falls in January is currently the most expensive (average of $944). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Portland to Great Falls?
Airfare is below average for this route at the moment.
Portland to Great Falls flights typically cost between $418 and $480 in January.The cheapest round-trip price found within the last 5 days was $412 on Alaska Airlines (Jan 30-Feb 2).
Reviews of airlines servicing Great Falls
Get insights into the airlines that provide service to Great Falls. 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 Great Falls. Reviews last updated September 25, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines and Delta from Portland to Great Falls to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.0
Food
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Crew
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Entertainment
7.0
Food
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Crew
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Entertainment
7.0
Food
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Crew
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Related info for your journey
Find useful and relevant information for your journey from Portland to Great Falls. 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 Great Falls?
Book flights to Great Falls if you plan to visit one of these locationsShelby
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Other flights to Great Falls
Explore flights to Great Falls departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 25, 2026.
Portland and Great Falls flights
Browse other Portland and Great Falls flight options. Last updated on September 25, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on September 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Portland to Great Falls
Discover the top 2 airlines that operate flights from Portland to Great Falls. 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 September 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$246 | Average$454 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$270 | Average$414 | FlexibilityNo cancel fee | On-time75% |