$239+ Cheap flights from Missoula to Portland, ME (MSO - PWM)
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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — PWM
Jul 11 — Jul 181
Round-trip
1 adult, Economy
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Find cheap flights from Missoula to Portland with Cheapflights
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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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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 Missoula to Portland
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Best
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Cheapest flights from Missoula to PortlandExplore the most affordable flight options available from Missoula to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 11, 2026.
Explore the most affordable flight options available from Missoula to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 11, 2026.
This Delta deal was found by Cheapflights users on 6/7. 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 9/96:10 pm
MSO
- PWM
2 stops27h 49m
Delta
Tue 9/156:05 am
PWM
- MSO
2 stops10h 37m
Delta
Deal found 6/7![Delta logo]()
$429
This Delta deal was found by Cheapflights users on 6/7. 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 9/115:45 am
MSO
- PWM
2 stops15h 26m
Delta
Tue 9/156:05 am
PWM
- MSO
2 stops10h 37m
Delta
Deal found 6/7![Delta logo]()
$451
This Delta deal was found by Cheapflights users on 6/7. 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 9/105:45 am
MSO
- PWM
2 stops14h 48m
Delta
Mon 9/146:05 am
PWM
- MSO
2 stops13h 37m
Delta
Deal found 6/7![Delta logo]()
$475
This American Airlines deal was found by Cheapflights users on 6/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:45 pm
MSO
- PWM
1 stop9h 02m
American Airlines
Tue 10/277:14 am
PWM
- MSO
1 stop7h 25m
American Airlines
Deal found 6/6![American Airlines logo]()
$488
This United Airlines deal was found by Cheapflights users on 6/6. 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.
Thu 10/112:21 pm
MSO
- PWM
1 stop7h 25m
United Airlines
Tue 10/275:30 am
PWM
- MSO
2 stops12h 40m
United Airlines
Deal found 6/6![United Airlines logo]()
$491
This Delta deal was found by Cheapflights users on 6/6. 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 9/106:10 pm
MSO
- PWM
2 stops17h 44m
Delta
Tue 9/156:05 am
PWM
- MSO
2 stops10h 37m
Delta
Deal found 6/6![Delta logo]()
$498
This Delta deal was found by Cheapflights users on 6/7. 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 9/96:10 pm
MSO
- PWM
2 stops27h 49m
Delta
Mon 9/142:35 pm
PWM
- MSO
2 stops26h 07m
Delta
Deal found 6/7![Delta logo]()
$518
This United Airlines deal was found by Cheapflights users on 6/7. 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 9/97:15 am
MSO
- PWM
2 stops14h 17m
United Airlines
Tue 9/153:37 pm
PWM
- MSO
1 stop7h 54m
United Airlines
Deal found 6/7![United Airlines logo]()
$524
This Delta deal was found by Cheapflights users on 6/7. 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 9/115:45 am
MSO
- PWM
2 stops15h 26m
Delta
Mon 9/142:35 pm
PWM
- MSO
2 stops26h 07m
Delta
Deal found 6/7![Delta logo]()
$541
Best flights from Missoula to PortlandDiscover carefully curated flight deals from Missoula to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 11, 2026.
Discover carefully curated flight deals from Missoula to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 11, 2026.
This Delta deal was found by Cheapflights users on 6/7. 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 9/106:10 pm
MSO
- PWM
2 stops17h 44m
Delta
Tue 9/156:05 am
PWM
- MSO
2 stops10h 37m
Delta
Deal found 6/7![Delta logo]()
$429
This United Airlines deal was found by Cheapflights users on 6/6. 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.
Thu 10/112:21 pm
MSO
- PWM
1 stop7h 25m
United Airlines
Tue 10/275:30 am
PWM
- MSO
2 stops12h 40m
United Airlines
Deal found 6/6![United Airlines logo]()
$491
This Delta deal was found by Cheapflights users on 6/6. 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 9/115:45 am
MSO
- PWM
2 stops15h 26m
Delta
Tue 9/156:05 am
PWM
- MSO
2 stops10h 37m
Delta
Deal found 6/6![Delta logo]()
$456
This Delta deal was found by Cheapflights users on 6/6. 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 9/96:10 pm
MSO
- PWM
2 stops27h 49m
Delta
Tue 9/156:05 am
PWM
- MSO
2 stops10h 37m
Delta
Deal found 6/6![Delta logo]()
$467
This United Airlines deal was found by Cheapflights users on 6/7. 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.
Fri 9/1112:23 pm
MSO
- PWM
1 stop7h 00m
United Airlines
Tue 9/153:37 pm
PWM
- MSO
1 stop7h 54m
United Airlines
Deal found 6/7![United Airlines logo]()
$610
This United Airlines deal was found by Cheapflights users on 6/7. 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.
Thu 9/1012:23 pm
MSO
- PWM
1 stop7h 00m
United Airlines
Tue 9/153:37 pm
PWM
- MSO
1 stop7h 54m
United Airlines
Deal found 6/7![United Airlines logo]()
$610
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.
Wed 9/166:00 am
MSO
- PWM
2 stops8h 49m
Delta
Thu 9/244:45 pm
PWM
- MSO
2 stops8h 52m
Delta
Deal found 6/8![Delta logo]()
$614
This Delta deal was found by Cheapflights users on 6/7. 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 9/115:45 am
MSO
- PWM
2 stops15h 26m
Delta
Sun 9/136:00 am
PWM
- MSO
2 stops10h 37m
Delta
Deal found 6/7![Delta logo]()
$630
This Delta deal was found by Cheapflights users on 6/7. 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 9/103:27 pm
MSO
- PWM
1 stop17h 22m
Delta
Mon 9/144:45 pm
PWM
- MSO
2 stops8h 52m
Delta
Deal found 6/7![Delta logo]()
$704
Last-minute flights from Missoula to PortlandDiscover last-minute flight deals from Missoula to Portland. Data last updated June 11, 2026 and is based on user searches.
Discover last-minute flight deals from Missoula to Portland. Data last updated June 11, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/6. 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.
Fri 6/1912:33 pm
MSO
- PWM
1 stop7h 18m
United Airlines
Sun 6/215:15 am
PWM
- MSO
2 stops18h 19m
United Airlines
Deal found 6/6![United Airlines logo]()
$911
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2512:34 pm
MSO
- PWM
1 stop7h 07m
United Airlines
Tue 6/306:00 am
PWM
- MSO
1 stop7h 32m
United Airlines
Deal found 6/9![United Airlines logo]()
$722
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2612:34 pm
MSO
- PWM
1 stop7h 07m
United Airlines
Mon 6/293:37 pm
PWM
- MSO
1 stop8h 02m
United Airlines
Deal found 6/9![United Airlines logo]()
$926
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/266:45 am
MSO
- PWM
1 stop8h 00m
American Airlines
Sun 7/56:10 am
PWM
- MSO
1 stop8h 42m
American Airlines
Deal found 6/8![American Airlines logo]()
$1,030
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/296:45 am
MSO
- PWM
2 stops14h 01m
American Airlines
Sun 7/56:10 am
PWM
- MSO
2 stops12h 01m
American Airlines
Deal found 6/8![American Airlines logo]()
$859
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/306:45 am
MSO
- PWM
2 stops15h 14m
American Airlines
Sun 7/56:10 am
PWM
- MSO
1 stop8h 42m
American Airlines
Deal found 6/8![American Airlines logo]()
$831
One-way flights from Missoula to PortlandSearch for one-way flight options from Missoula to Portland. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
Search for one-way flight options from Missoula to Portland. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
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 8/195:30 am
MSO
- PWM
2 stops17h 29m
Delta
Deal found 6/10![Delta logo]()
$239
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.
Thu 8/205:30 am
MSO
- PWM
2 stops17h 29m
Delta
Deal found 6/10![Delta logo]()
$278
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/209:52 pm
MSO
- PWM
3 stops42h 06m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$298
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:52 pm
MSO
- PWM
2 stops15h 46m
American Airlines
Deal found 6/8![American Airlines logo]()
$337
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/101:46 pm
MSO
- PWM
3 stops42h 41m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$356
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/910:24 am
MSO
- PWM
3 stops34h 14m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$358
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:52 pm
MSO
- PWM
2 stops15h 46m
American Airlines
Deal found 6/8![American Airlines logo]()
$360
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.
Tue 8/186:27 pm
MSO
- PWM
2 stops28h 32m
Delta
Deal found 6/10![Delta logo]()
$381
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/171:46 pm
MSO
- PWM
3 stops42h 41m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$390
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.
Tue 8/116:27 pm
MSO
- PWM
2 stops17h 46m
Delta
Deal found 6/10![Delta logo]()
$420
Find flight deals from Missoula to Portland
Discover tips and strategies to find the most affordable flight options for your journey from Missoula (MSO) to Portland (PWM). 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 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $429 (Delta) |
One-way from | $239 (Delta) |
Cheapflights Fare Finder
Customize your flight search to find flights from Missoula to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 11, 2026.
Use the filters below to find and compare flights from Missoula to Portland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MissoulaPortland
MSO - PWM
MSOPWM
Missoula Johnson-Bell Field
Thu 9/10
6:10 pm-1:54 pm
2 stops17h 44m
Portland
Tue 9/15
6:05 am-2:42 pm
2 stops10h 37m
$429
MissoulaPortland
MSO - PWM
MSOPWM
Missoula Johnson-Bell Field
Fri 9/11
5:45 am-11:11 pm
2 stops15h 26m
Portland
Tue 9/15
6:05 am-2:42 pm
2 stops10h 37m
$456
MissoulaPortland
MSO - PWM
MSOPWM
Missoula Johnson-Bell Field
Wed 9/9
6:10 pm-11:59 pm
2 stops27h 49m
Portland
Tue 9/15
6:05 am-2:42 pm
2 stops10h 37m
$467
MissoulaPortland
MSO - PWM
MSOPWM
Missoula Johnson-Bell Field
Thu 10/1
12:21 pm-9:46 pm
1 stop7h 25m
Portland
Tue 10/27
5:30 am-4:10 pm
2 stops12h 40m
$491
Quickest round-trip
MissoulaPortland
MSO - PWM
MSOPWM
Missoula Johnson-Bell Field
Fri 9/11
12:23 pm-9:23 pm
1 stop7h 00m
Portland
Tue 9/15
3:37 pm-9:31 pm
1 stop7h 54m
$610
MissoulaPortland
MSO - PWM
MSOPWM
Missoula Johnson-Bell Field
Thu 9/10
12:23 pm-9:23 pm
1 stop7h 00m
Portland
Tue 9/15
3:37 pm-9:31 pm
1 stop7h 54m
$610
MissoulaPortland
MSO - PWM
MSOPWM
Missoula Johnson-Bell Field
Wed 9/16
6:00 am-4:49 pm
2 stops8h 49m
Portland
Thu 9/24
4:45 pm-11:37 pm
2 stops8h 52m
$614
MissoulaPortland
MSO - PWM
MSOPWM
Missoula Johnson-Bell Field
Fri 9/11
5:45 am-11:11 pm
2 stops15h 26m
Portland
Sun 9/13
6:00 am-2:37 pm
2 stops10h 37m
$630
MissoulaPortland
MSO - PWM
MSOPWM
Missoula Johnson-Bell Field
Thu 9/10
3:27 pm-10:49 am
1 stop17h 22m
Portland
Mon 9/14
4:45 pm-11:37 pm
2 stops8h 52m
$704
Cheapest one-way
MissoulaPortland
MSO - PWM
MSOPWM
Missoula Johnson-Bell Field
Thu 8/20
5:30 am-12:59 am
2 stops17h 29m
$278
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Missoula 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 Missoula to Portland in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Missoula-Portland, Maine flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Missoula-Portland, Maine flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Missoula-Portland, Maine flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Missoula-Portland, Maine 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 Missoula-Portland, Maine 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 Missoula to Portland
Have a flexible travel schedule? Discover the best time to fly to Portland from Missoula with our price prediction graph.
MSO-PWM
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Reviews of airlines servicing Portland
Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated June 11, 2026.
Get a feel of what it's like to fly with United Airlines and American Airlines from Missoula to Portland by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.4
Food
6.6
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Crew
8.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Overall
7.4
Food
6.6
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Crew
8.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Overall
7.4
Food
6.6
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Crew
8.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Related info for your journey
Find useful and relevant information for your journey from Missoula 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 locationsNorth Conway
Brunswick
Lewiston
Conway
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Missoula and Portland flights
Browse other Missoula and Portland flight options. Last updated on June 11, 2026.
Other flights from Missoula
Browse through other flights departing from Missoula. Flights are based on user searches made on Cheapflights and were last updated on June 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Portland
Explore flights to Portland departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 11, 2026.
Top 2 airlines flying from Missoula to Portland
Discover the top 2 airlines that operate flights from Missoula to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$319 | Average$550 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$363 | Average$524 | FlexibilityNo cancel fee | On-time69% |