$129+ Cheap flights from Portland to Missoula (PDX - MSO)
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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MSO
Jul 13 — Jul 201
Round-trip
1 adult, Economy
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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 Portland to MissoulaExplore the most affordable flight options available from Portland to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 13, 2026.
Explore the most affordable flight options available from Portland to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 13, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 10/2010:48 am
PDX
- MSO
Nonstop1h 38m
Alaska Airlines
Sat 10/241:06 pm
MSO
- PDX
Nonstop1h 36m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 6/8. 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 9/1610:48 am
PDX
- MSO
Nonstop1h 37m
Alaska Airlines
Tue 9/224:16 pm
MSO
- PDX
1 stop4h 34m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 6/8. 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 8/277:00 pm
PDX
- MSO
1 stop4h 18m
Delta
Tue 9/15:30 am
MSO
- PDX
1 stop4h 07m
Delta
Deal found 6/8![Delta logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 8/2710:48 am
PDX
- MSO
Nonstop1h 37m
Alaska Airlines
Sun 8/301:04 pm
MSO
- PDX
Nonstop1h 31m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$273
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 8/2710:48 am
PDX
- MSO
Nonstop1h 37m
Alaska Airlines
Sat 8/294:16 pm
MSO
- PDX
1 stop6h 45m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$283
This Delta deal was found by Cheapflights users on 6/8. 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 8/155:08 pm
PDX
- MSO
1 stop5h 04m
Delta
Wed 8/195:30 am
MSO
- PDX
1 stop4h 07m
Delta
Deal found 6/8![Delta logo]()
$297
This Priceline deal was found by Cheapflights users on 6/10. 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.
Fri 9/2510:48 am
PDX
- MSO
Nonstop1h 37m
Alaska Airlines
Fri 9/254:16 pm
MSO
- PDX
1 stop4h 34m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 9/1610:48 am
PDX
- MSO
Nonstop1h 37m
Alaska Airlines
Mon 9/211:19 pm
MSO
- PDX
Nonstop1h 31m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$308
Best flights from Portland to MissoulaDiscover carefully curated flight deals from Portland to Missoula that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 13, 2026.
Discover carefully curated flight deals from Portland to Missoula that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 13, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 10/2010:48 am
PDX
- MSO
Nonstop1h 38m
Alaska Airlines
Sat 10/241:06 pm
MSO
- PDX
Nonstop1h 36m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 6/12. 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.
Thu 9/175:10 pm
PDX
- MSO
1 stop4h 16m
Delta
Sun 9/205:30 am
MSO
- PDX
1 stop4h 11m
Delta
Deal found 6/12![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 6/12. 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.
Thu 8/207:00 pm
PDX
- MSO
1 stop4h 18m
Delta
Sun 8/235:30 am
MSO
- PDX
1 stop4h 07m
Delta
Deal found 6/12![Delta logo]()
$358
This Alaska Airlines deal was found by Cheapflights users on 6/8. 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 8/105:00 am
PDX
- MSO
1 stop4h 42m
Alaska Airlines
Thu 8/135:41 pm
MSO
- PDX
Nonstop1h 35m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 6/12. 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.
Wed 9/167:00 am
PDX
- MSO
2 stops9h 42m
Delta
Mon 9/216:22 pm
MSO
- PDX
1 stop6h 18m
Delta
Deal found 6/12![Delta logo]()
$375
This Delta deal was found by Cheapflights users on 6/8. 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 8/107:00 pm
PDX
- MSO
1 stop4h 18m
Delta
Thu 8/135:30 am
MSO
- PDX
1 stop4h 07m
Delta
Deal found 6/8![Delta logo]()
$387
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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 9/45:41 pm
PDX
- MSO
1 stop4h 15m
Alaska Airlines
Mon 9/77:15 am
MSO
- PDX
2 stops10h 39m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 6/10. 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 8/265:30 am
PDX
- MSO
2 stops11h 17m
Delta
Tue 9/16:27 pm
MSO
- PDX
2 stops6h 29m
Delta
Deal found 6/10![Delta logo]()
$413
This Delta deal was found by Cheapflights users on 6/11. 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 8/45:08 pm
PDX
- MSO
1 stop6h 10m
Delta
Sat 8/86:27 pm
MSO
- PDX
1 stop5h 11m
Delta
Deal found 6/11![Delta logo]()
$423
This Delta deal was found by Cheapflights users on 6/9. 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 6/267:20 pm
PDX
- MSO
1 stop4h 08m
Delta
Sun 6/285:31 am
MSO
- PDX
1 stop4h 08m
Delta
Deal found 6/9![Delta logo]()
$427
Last-minute flights from Portland to MissoulaDiscover last-minute flight deals from Portland to Missoula. Data last updated June 13, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Missoula. Data last updated June 13, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/9. 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 6/247:20 pm
PDX
- MSO
1 stop4h 08m
Delta
Tue 6/305:31 am
MSO
- PDX
1 stop4h 08m
Delta
Deal found 6/9![Delta logo]()
$453
This Delta deal was found by Cheapflights users on 6/9. 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 6/267:20 pm
PDX
- MSO
1 stop4h 08m
Delta
Sun 6/285:31 am
MSO
- PDX
1 stop4h 08m
Delta
Deal found 6/9![Delta logo]()
$427
This Delta deal was found by Cheapflights users on 6/8. 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 6/309:45 am
PDX
- MSO
1 stop7h 04m
Delta
Thu 7/25:31 am
MSO
- PDX
1 stop4h 08m
Delta
Deal found 6/8![Delta logo]()
$413
This Delta deal was found by Cheapflights users on 6/8. 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 7/39:45 am
PDX
- MSO
1 stop7h 04m
Delta
Mon 7/65:31 am
MSO
- PDX
1 stop4h 08m
Delta
Deal found 6/8![Delta logo]()
$383
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 7/72:30 pm
PDX
- MSO
Nonstop1h 31m
Alaska Airlines
Tue 7/145:41 pm
MSO
- PDX
Nonstop1h 35m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$374
This Priceline deal was found by Cheapflights users on 6/10. 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 7/82:30 pm
PDX
- MSO
Nonstop1h 31m
Alaska Airlines
Wed 7/155:41 pm
MSO
- PDX
Nonstop1h 35m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$434
This Booking.com deal was found by Cheapflights users on 6/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/105:00 am
PDX
- MSO
1 stop16h 55m
Alaska Airlines
Fri 7/175:41 pm
MSO
- PDX
Nonstop1h 35m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$456
This Priceline deal was found by Cheapflights users on 6/10. 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 7/116:19 am
PDX
- MSO
1 stop3h 23m
Alaska Airlines
Mon 7/135:41 pm
MSO
- PDX
Nonstop1h 35m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$384
This Delta deal was found by Cheapflights users on 6/13. 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.
Sat 7/255:14 pm
PDX
- MSO
1 stop4h 58m
Delta
Sun 7/265:35 am
MSO
- PDX
1 stop4h 02m
Delta
Deal found 6/13![Delta logo]()
$433
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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.
Mon 7/279:45 pm
PDX
- MSO
2 stops13h 26m
Alaska Airlines
Fri 7/315:41 pm
MSO
- PDX
Nonstop1h 35m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$437
This Priceline deal was found by Cheapflights users on 6/11. 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.
Tue 7/2812:03 pm
PDX
- MSO
1 stop6h 16m
Alaska Airlines
Sat 8/15:41 pm
MSO
- PDX
Nonstop1h 35m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$429
One-way flights from Portland to MissoulaSearch for one-way flight options from Portland to Missoula. Find affordable one-way fares based on user searches. Data last updated June 13, 2026.
Search for one-way flight options from Portland to Missoula. Find affordable one-way fares based on user searches. Data last updated June 13, 2026.
This Priceline deal was found by Cheapflights users on 6/10. 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.
Tue 8/255:41 pm
PDX
- MSO
1 stop4h 15m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$129
This Delta deal was found by Cheapflights users on 6/9. 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 8/247:00 pm
PDX
- MSO
1 stop4h 18m
Delta
Deal found 6/9![Delta logo]()
$139
This Priceline deal was found by Cheapflights users on 6/9. 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.
Mon 8/2410:48 am
PDX
- MSO
Nonstop1h 37m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$185
This Delta deal was found by Cheapflights users on 6/9. 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 7/235:14 pm
PDX
- MSO
1 stop6h 14m
Delta
Deal found 6/9![Delta logo]()
$194
This deal was found by Cheapflights users on 6/12. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:00 am
PDX
- MSO
1 stop4h 42m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Sat 7/2512:20 pm
PDX
- MSO
2 stops20h 14m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$199
This KAYAK deal was found by Cheapflights users on 6/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/297:20 pm
PDX
- MSO
1 stop4h 08m
Delta
Deal found 6/8![Delta logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
Sat 7/1112:20 pm
PDX
- MSO
2 stops20h 14m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Sat 7/1812:20 pm
PDX
- MSO
2 stops20h 14m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$206
Find flight deals from Portland to Missoula
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Missoula (MSO). 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 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $237 (Alaska Airlines) |
One-way from | $129 (Priceline) |
Popular in | June |
Cheapest in | August |
Average price | $458 |
Good round-trip deal | $348 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Missoula 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 13, 2026.
Use the filters below to find and compare flights from Portland to Missoula that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
PortlandMissoula
PDX - MSO
PDXMSO
Portland
Tue 10/20
10:48 am-1:26 pm
Nonstop1h 38m
Missoula Johnson-Bell Field
Sat 10/24
1:06 pm-1:42 pm
Nonstop1h 36m
$237
PortlandMissoula
PDX - MSO
PDXMSO
Portland
Thu 9/17
5:10 pm-10:26 pm
1 stop4h 16m
Missoula Johnson-Bell Field
Sun 9/20
5:30 am-8:41 am
1 stop4h 11m
$277
PortlandMissoula
PDX - MSO
PDXMSO
Portland
Thu 8/20
7:00 pm-12:18 am
1 stop4h 18m
Missoula Johnson-Bell Field
Sun 8/23
5:30 am-8:37 am
1 stop4h 07m
$358
PortlandMissoula
PDX - MSO
PDXMSO
Portland
Wed 9/16
7:00 am-5:42 pm
2 stops9h 42m
Missoula Johnson-Bell Field
Mon 9/21
6:22 pm-11:40 pm
1 stop6h 18m
$375
PortlandMissoula
PDX - MSO
PDXMSO
Portland
Mon 8/10
5:00 am-10:42 am
1 stop4h 42m
Missoula Johnson-Bell Field
Thu 8/13
5:41 pm-6:16 pm
Nonstop1h 35m
$379
PortlandMissoula
PDX - MSO
PDXMSO
Portland
Mon 8/10
7:00 pm-12:18 am
1 stop4h 18m
Missoula Johnson-Bell Field
Thu 8/13
5:30 am-8:37 am
1 stop4h 07m
$387
PortlandMissoula
PDX - MSO
PDXMSO
Portland
Wed 8/26
5:30 am-5:47 pm
2 stops11h 17m
Missoula Johnson-Bell Field
Tue 9/1
6:27 pm-11:56 pm
2 stops6h 29m
$413
PortlandMissoula
PDX - MSO
PDXMSO
Portland
Tue 8/4
5:08 pm-12:18 am
1 stop6h 10m
Missoula Johnson-Bell Field
Sat 8/8
6:27 pm-10:38 pm
1 stop5h 11m
$423
PortlandMissoula
PDX - MSO
PDXMSO
Portland
Fri 6/26
7:20 pm-12:28 am
1 stop4h 08m
Missoula Johnson-Bell Field
Sun 6/28
5:31 am-8:39 am
1 stop4h 08m
$427
PortlandMissoula
PDX - MSO
PDXMSO
Portland
Fri 9/4
5:41 pm-10:56 pm
1 stop4h 15m
Missoula Johnson-Bell Field
Mon 9/7
7:15 am-4:54 pm
2 stops10h 39m
$454
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Portland to Missoula
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 Missoula 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 Portland-Missoula flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Missoula flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Missoula flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland-Missoula 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-Missoula 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 Missoula
Have a flexible travel schedule? Discover the best time to fly to Missoula from Portland with our price prediction graph.
PDX-MSO
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 Missoula
Prices
Airlines
What is the cheapest month to book a flight from Portland to Missoula?
Currently, August is the cheapest month in which you can book a flight from Portland to Missoula (average of $238). Flying from Portland to Missoula in June is currently the most expensive (average of $458). 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.
What is the cheapest time of day to fly from PDX to MSO?
Find hourly flight availability from Portland to Missoula. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 13, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland to Missoula as you normally would.
Reviews of airlines servicing Missoula
Get insights into the airlines that provide service to Missoula. 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 Missoula. Reviews last updated June 13, 2026.
Get a feel of what it's like to fly with Alaska Airlines and Hawaiian Airlines from Portland to Missoula by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.0
Boarding
8.1
Crew
8.5
Food
7.1
Comfort
7.8
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Boarding
8.1
Crew
8.5
Food
7.1
Comfort
7.8
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Boarding
8.1
Crew
8.5
Food
7.1
Comfort
7.8
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
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Top 2 airlines flying from Portland to Missoula
Discover the top 2 airlines that operate flights from Portland to Missoula. 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 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$157 | Average$247 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$167 | Average$352 | FlexibilityNo cancel fee | On-time75% |