$409+ Cheap flights from Missoula to Portland, ME (MSO - PWM)
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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — PWM
Nov 27 — Dec 41
Round-trip
1 adult, Economy
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Find cheap flights from Missoula to Portland with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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 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 October 28, 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 October 28, 2026.
This Delta deal was found by Cheapflights users on 10/27. 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 12/28:27 am -
2 stops13h 06m
Thu 12/104:53 pm -
2 stops9h 44m
Deal found 10/27![Delta logo]()
$489
This Delta deal was found by Cheapflights users on 10/27. 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 12/46:25 pm -
2 stops18h 55m
Tue 12/84:53 pm -
2 stops9h 44m
Deal found 10/27![Delta logo]()
$521
This deal was found by Cheapflights users on 10/26. 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.
Wed 11/186:15 am -
1 stop7h 47m
Wed 11/253:23 pm -
1 stop8h 24m
Deal found 10/26![United Airlines logo]()
$529
This American Airlines deal was found by Cheapflights users on 10/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:35 am -
2 stops14h 13m
Tue 12/85:00 am -
2 stops10h 17m
Deal found 10/24![American Airlines logo]()
$548
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/256:15 am -
1 stop7h 47m
Wed 12/26:00 am -
2 stops14h 35m
Deal found 10/28![United Airlines logo]()
$583
This Delta deal was found by Cheapflights users on 10/27. 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 11/301:19 pm -
2 stops20h 38m
Wed 12/96:00 am -
2 stops13h 45m
Deal found 10/27![Delta logo]()
$613
This American Airlines deal was found by Cheapflights users on 10/27. 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 12/41:47 pm -
1 stop20h 15m
Sat 12/126:00 am -
2 stops16h 52m
Deal found 10/27![American Airlines logo]()
$615
This American Airlines deal was found by Cheapflights users on 10/27. 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 12/16:50 am -
2 stops13h 49m
Sat 12/125:00 am -
2 stops10h 17m
Deal found 10/27![American Airlines logo]()
$621
This Delta deal was found by Cheapflights users on 10/27. 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 12/46:25 pm -
2 stops18h 55m
Mon 12/74:00 pm -
2 stops22h 39m
Deal found 10/27![Delta logo]()
$633
This Delta deal was found by Cheapflights users on 10/27. 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 12/16:25 pm -
2 stops18h 55m
Wed 12/94:00 pm -
2 stops10h 37m
Deal found 10/27![Delta logo]()
$643
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 October 28, 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 October 28, 2026.
This Delta deal was found by Cheapflights users on 10/26. 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 2/38:25 am -
2 stops12h 45m
Sun 2/712:45 pm -
2 stops14h 02m
Deal found 10/26![Delta logo]()
$409
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Sat 1/236:10 am -
2 stops12h 53m
Tue 1/269:10 am -
2 stops14h 42m
Deal found 10/28![United Airlines logo]()
$539
This American Airlines deal was found by Cheapflights users on 10/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/31:47 pm -
1 stop20h 11m
Tue 12/85:00 am -
2 stops10h 17m
Deal found 10/24![American Airlines logo]()
$615
This Delta deal was found by Cheapflights users on 10/27. 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 12/46:25 pm -
2 stops18h 55m
Sat 12/1212:49 pm -
2 stops12h 20m
Deal found 10/27![Delta logo]()
$521
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/256:15 am -
1 stop7h 47m
Wed 12/26:00 am -
2 stops14h 35m
Deal found 10/28![United Airlines logo]()
$583
Last-minute flights from Missoula to PortlandDiscover last-minute flight deals from Missoula to Portland. Data last updated October 28, 2026 and is based on user searches.
Discover last-minute flight deals from Missoula to Portland. Data last updated October 28, 2026 and is based on user searches.
This deal was found by Cheapflights users on 10/26. 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.
Wed 11/186:15 am -
1 stop7h 47m
Wed 11/253:23 pm -
1 stop8h 24m
Deal found 10/26![United Airlines logo]()
$529
This deal was found by Cheapflights users on 10/26. 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.
Wed 11/186:15 am -
1 stop7h 47m
Fri 11/277:00 am -
1 stop8h 31m
Deal found 10/26![United Airlines logo]()
$718
This deal was found by Cheapflights users on 10/26. 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.
Thu 11/196:15 am -
1 stop7h 47m
Fri 11/277:00 am -
1 stop8h 31m
Deal found 10/26![United Airlines logo]()
$907
This deal was found by Cheapflights users on 10/26. 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.
Sun 11/226:15 am -
1 stop7h 47m
Wed 11/253:23 pm -
1 stop8h 24m
Deal found 10/26![United Airlines logo]()
$837
This deal was found by Cheapflights users on 10/26. 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.
Sun 11/226:15 am -
1 stop7h 47m
Fri 11/277:00 am -
1 stop8h 31m
Deal found 10/26![United Airlines logo]()
$936
This deal was found by Cheapflights users on 10/26. 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.
Mon 11/236:15 am -
1 stop7h 47m
Wed 11/253:23 pm -
1 stop8h 24m
Deal found 10/26![United Airlines logo]()
$808
This deal was found by Cheapflights users on 10/26. 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.
Tue 11/246:15 am -
1 stop7h 47m
Wed 11/253:23 pm -
1 stop8h 24m
Deal found 10/26![United Airlines logo]()
$953
This deal was found by Cheapflights users on 10/26. 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.
Tue 11/246:15 am -
1 stop7h 47m
Fri 11/277:00 am -
1 stop8h 31m
Deal found 10/26![United Airlines logo]()
$1,052
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/256:15 am -
1 stop7h 47m
Wed 12/26:00 am -
2 stops14h 35m
Deal found 10/28![United Airlines logo]()
$583
This Delta deal was found by Cheapflights users on 10/27. 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 11/301:19 pm -
2 stops20h 38m
Fri 12/114:53 pm -
2 stops9h 44m
Deal found 10/27![Delta logo]()
$613
This Delta deal was found by Cheapflights users on 10/27. 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 11/301:19 pm -
2 stops24h 01m
Mon 12/74:00 pm -
2 stops22h 39m
Deal found 10/27![Delta logo]()
$818
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 October 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $409 (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 7,457,451 searches. Data last updated October 28, 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 Missoula Johnson-Bell Field - PWM Portland
MSOPWM
Missoula Johnson-Bell Field
Wed 2/3
8:25 am-11:10 pm
2 stops12h 45m
Portland
Sun 2/7
12:45 pm-12:47 am
2 stops14h 02m
$409
MissoulaPortland
MSO Missoula Johnson-Bell Field - PWM Portland
MSOPWM
Missoula Johnson-Bell Field
Fri 12/4
6:25 pm-3:20 pm
2 stops18h 55m
Portland
Sat 12/12
12:49 pm-11:09 pm
2 stops12h 20m
$521
MissoulaPortland
MSO Missoula Johnson-Bell Field - PWM Portland
MSOPWM
Missoula Johnson-Bell Field
Sat 1/23
6:10 am-9:03 pm
2 stops12h 53m
Portland
Tue 1/26
9:10 am-9:52 pm
2 stops14h 42m
$539
Quickest round-trip
MissoulaPortland
MSO Missoula Johnson-Bell Field - PWM Portland
MSOPWM
Missoula Johnson-Bell Field
Wed 11/25
6:15 am-4:02 pm
1 stop7h 47m
Portland
Wed 12/2
6:00 am-6:35 pm
2 stops14h 35m
$583
MissoulaPortland
MSO Missoula Johnson-Bell Field - PWM Portland
MSOPWM
Missoula Johnson-Bell Field
Thu 12/3
1:47 pm-11:58 am
1 stop20h 11m
Portland
Tue 12/8
5:00 am-1:17 pm
2 stops10h 17m
$615
Sorted 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 October.
| 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 October 28, 2026.
Get a feel of what it's like to fly with United 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.
Food
6.7
Comfort
7.3
Crew
8.1
Boarding
7.7
Overall
7.3
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Food
6.7
Comfort
7.3
Crew
8.1
Boarding
7.7
Overall
7.3
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
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 locationsLewiston
North Conway
Brunswick
Conway
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Missoula and Portland flights
Browse other Missoula and Portland flight options. Last updated on October 28, 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 October 28, 2026.
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Other flights to Portland
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Top airline flying from Missoula to Portland
Discover the top airline 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 7,457,451 searches. Data last updated October 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$438 | Average$650 | FlexibilityNo cancel fee | On-time69% |