$222+ 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — GTF
Dec 5 — Dec 121
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
Cheapest
Best
Last-minute
One-way
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 November 5, 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 November 5, 2026.
This Delta deal was found by Cheapflights users on 11/3. 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 12/57:00 am -
2 stops9h 39m
Mon 12/71:19 pm -
2 stops11h 20m
Deal found 11/3![Delta logo]()
$388
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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 12/58:30 am -
1 stop6h 41m
Mon 12/74:51 pm -
1 stop23h 30m
Deal found 11/3![Alaska Airlines logo]()
$427
This Alaska Airlines deal was found by Cheapflights users on 11/2. 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 11/307:22 am -
1 stop7h 39m
Mon 12/74:51 pm -
2 stops7h 40m
Deal found 11/2![Alaska Airlines logo]()
$600
This Alaska Airlines deal was found by Cheapflights users on 10/31. 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 11/286:22 am -
1 stop8h 39m
Sat 12/54:51 pm -
1 stop5h 03m
Deal found 10/31![Alaska Airlines logo]()
$601
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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 11/261:49 pm -
1 stop25h 12m
Tue 12/14:51 pm -
1 stop5h 03m
Deal found 11/5![Alaska Airlines logo]()
$670
This Alaska Airlines deal was found by Cheapflights users on 11/2. 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 11/248:22 am -
1 stop6h 39m
Fri 12/44:51 pm -
1 stop6h 01m
Deal found 11/2![Alaska Airlines logo]()
$687
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 November 5, 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 November 5, 2026.
This Delta deal was found by Cheapflights users on 11/3. 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 12/57:00 am -
2 stops9h 39m
Mon 12/71:19 pm -
2 stops11h 20m
Deal found 11/3![Delta logo]()
$388
This Alaska Airlines deal was found by Cheapflights users on 10/31. 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 10/31![Alaska Airlines logo]()
$422
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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 12/58:30 am -
1 stop6h 41m
Mon 12/74:51 pm -
1 stop23h 30m
Deal found 11/3![Alaska Airlines logo]()
$427
This Alaska Airlines deal was found by Cheapflights users on 11/2. 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 11/307:22 am -
1 stop7h 39m
Mon 12/74:51 pm -
2 stops7h 40m
Deal found 11/2![Alaska Airlines logo]()
$600
This Alaska Airlines deal was found by Cheapflights users on 10/31. 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 11/286:22 am -
1 stop8h 39m
Sat 12/54:51 pm -
1 stop5h 03m
Deal found 10/31![Alaska Airlines logo]()
$601
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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 11/261:49 pm -
1 stop25h 12m
Tue 12/14:51 pm -
1 stop5h 03m
Deal found 11/5![Alaska Airlines logo]()
$670
Last-minute flights from Portland to Great FallsDiscover last-minute flight deals from Portland to Great Falls. Data last updated November 5, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Great Falls. Data last updated November 5, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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 11/261:49 pm -
1 stop25h 12m
Tue 12/14:51 pm -
1 stop5h 03m
Deal found 11/5![Alaska Airlines logo]()
$670
This Alaska Airlines deal was found by Cheapflights users on 10/31. 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 11/286:22 am -
1 stop8h 39m
Sat 12/54:51 pm -
1 stop5h 03m
Deal found 10/31![Alaska Airlines logo]()
$601
This Alaska Airlines deal was found by Cheapflights users on 11/2. 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 11/307:22 am -
1 stop7h 39m
Mon 12/74:51 pm -
2 stops7h 40m
Deal found 11/2![Alaska Airlines logo]()
$600
This Delta deal was found by Cheapflights users on 11/5. 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 12/37:00 am -
2 stops9h 39m
Mon 12/71:19 pm -
2 stops9h 47m
Deal found 11/5![Delta logo]()
$468
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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 12/39:33 pm -
2 stops17h 38m
Mon 12/74:51 pm -
1 stop7h 07m
Deal found 11/5![Alaska Airlines logo]()
$496
This Delta deal was found by Cheapflights users on 11/3. 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 12/57:00 am -
2 stops9h 39m
Mon 12/71:19 pm -
2 stops11h 20m
Deal found 11/3![Delta logo]()
$388
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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 12/58:30 am -
1 stop6h 41m
Mon 12/74:51 pm -
1 stop23h 30m
Deal found 11/3![Alaska Airlines logo]()
$427
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 November 5, 2026.
Search for one-way flight options from Portland to Great Falls. Find affordable one-way fares based on user searches. Data last updated November 5, 2026.
This Delta deal was found by Cheapflights users on 11/3. 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 12/49:16 am -
2 stops7h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Delta logo]()
$222
This Delta deal was found by Cheapflights users on 11/4. 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 12/225:18 pm -
1 stop4h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Delta logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Wed 12/239:19 am -
2 stops24h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Allegiant Air logo]()
$296
This Alaska Airlines deal was found by Cheapflights users on 11/2. 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 12/245:53 pm -
2 stops21h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Alaska Airlines logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Tue 12/2210:28 pm -
3 stops35h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Multiple Airlines logo]()
$373
This Delta deal was found by Cheapflights users on 11/2. 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 12/235:18 pm -
1 stop4h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Delta logo]()
$380
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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 12/238:21 am -
1 stop7h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Alaska Airlines logo]()
$405
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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 12/225:53 pm -
2 stops21h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Alaska Airlines logo]()
$523
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Wed 12/237:25 pm -
3 stops44h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$683
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 November 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $388 (Delta) |
One-way from | $222 (Delta) |
Popular in | January |
Cheapest in | April |
Average price | $675 |
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 November 5, 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
PortlandGreat Falls
PDX Portland - GTF Great Falls
PDXGTF
Portland
Mon 12/7
9:16 am-5:39 pm
2 stops7h 23m
Great Falls
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$222
PortlandGreat Falls
PDX Portland - GTF Great Falls
PDXGTF
Portland
Fri 12/4
9:16 am-5:39 pm
2 stops7h 23m
Great Falls
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$222
Quickest round-trip
PortlandGreat Falls
PDX Portland - GTF Great Falls
PDXGTF
Portland
Thu 12/24
5:18 pm-10:28 pm
1 stop4h 10m
Great Falls
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$247
PortlandGreat Falls
PDX Portland - GTF Great Falls
PDXGTF
Portland
Tue 12/22
5:18 pm-10:28 pm
1 stop4h 10m
Great Falls
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$279
PortlandGreat Falls
PDX Portland - GTF Great Falls
PDXGTF
Portland
Wed 12/23
9:19 am-10:50 am
2 stops24h 31m
Great Falls
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$296
PortlandGreat Falls
PDX Portland - GTF Great Falls
PDXGTF
Portland
Thu 12/24
5:53 pm-4:32 pm
2 stops21h 39m
Great Falls
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$328
PortlandGreat Falls
PDX Portland - GTF Great Falls
PDXGTF
Portland
Wed 12/23
5:18 pm-10:28 pm
1 stop4h 10m
Great Falls
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$380
PortlandGreat Falls
PDX Portland - GTF Great Falls
PDXGTF
Portland
Sat 12/5
7:00 am-5:39 pm
2 stops9h 39m
Great Falls
Mon 12/7
1:19 pm-11:39 pm
2 stops11h 20m
$388
PortlandGreat Falls
PDX Portland - GTF Great Falls
PDXGTF
Portland
Wed 12/23
8:21 am-4:32 pm
1 stop7h 11m
Great Falls
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$405
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
$422
Showing 1-10 of 15 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 November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 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
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 November 5, 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.
Comfort
7.8
Entertainment
7.0
Overall
7.9
Crew
8.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Comfort
7.8
Entertainment
7.0
Overall
7.9
Crew
8.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Comfort
7.8
Entertainment
7.0
Overall
7.9
Crew
8.5
Boarding
8.1
Food
7.0
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 November 5, 2026.
Portland and Great Falls flights
Browse other Portland and Great Falls flight options. Last updated on November 5, 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 November 5, 2026.
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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 November 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$186 | Average$522 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$270 | Average$516 | FlexibilityNo cancel fee | On-time75% |