HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portland

$261+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — PWM
Aug 29 — Sep 51
Sat 8/29
Sat 9/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

Cheapest flights from Missoula to Portland
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 July 30, 2026.

This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:15 am
MSO
-
PWM
1 stop7h 47m
United Airlines
Wed 11/183:23 pm
PWM
-
MSO
1 stop8h 24m
United Airlines
Deal found 7/27$489
This United Airlines deal was found by Cheapflights users on 7/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:15 am
MSO
-
PWM
1 stop7h 36m
United Airlines
Sun 8/305:52 am
PWM
-
MSO
2 stops12h 28m
United Airlines
Deal found 7/26$710
This American Airlines deal was found by Cheapflights users on 7/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/31:25 pm
MSO
-
PWM
1 stop27h 27m
American Airlines
Tue 9/85:30 am
PWM
-
MSO
2 stops13h 50m
American Airlines
Deal found 7/26$753

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 July 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$489
(United Airlines)

One-way from

$261
(Kiwi.com)
Provider with most accurate pricing for Missoula Johnson-Bell Field-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Missoula Johnson-Bell Field-Portland flights.
Search Deals
From Missoula Johnson-Bell Field to Portland
Search Deals
One-way flight from Missoula Johnson-Bell Field to Portland
Search Deals

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 July 30, 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

Price

Cheapest round-trip
Quickest round-trip

MissoulaPortland

MSO - PWM

MSOPWM

Missoula Johnson-Bell Field

Sat 11/14

6:15 am-4:02 pm

1 stop7h 47m

Portland

Wed 11/18

3:23 pm-9:47 pm

1 stop8h 24m

$489
Cheapest one-way

MissoulaPortland

MSO - PWM

MSOPWM

Missoula Johnson-Bell Field

Thu 8/27

9:52 pm-10:27 am

2 stops34h 35m

$261

MissoulaPortland

MSO - PWM

MSOPWM

Missoula Johnson-Bell Field

Wed 9/9

6:15 am-9:44 pm

2 stops13h 29m

$295

MissoulaPortland

MSO - PWM

MSOPWM

Missoula Johnson-Bell Field

Fri 8/21

10:38 am-11:59 pm

2 stops11h 21m

$305

MissoulaPortland

MSO - PWM

MSOPWM

Missoula Johnson-Bell Field

Fri 9/11

7:00 am-11:32 pm

2 stops14h 32m

$313

MissoulaPortland

MSO - PWM

MSOPWM

Missoula Johnson-Bell Field

Sat 8/22

6:15 am-9:23 pm

2 stops13h 08m

$327

MissoulaPortland

MSO - PWM

MSOPWM

Missoula Johnson-Bell Field

Thu 8/27

1:12 pm-10:48 pm

1 stop7h 36m

$337
Quickest one-way

MissoulaPortland

MSO - PWM

MSOPWM

Missoula Johnson-Bell Field

Fri 9/4

1:18 pm-10:48 pm

1 stop7h 30m

$338

MissoulaPortland

MSO - PWM

MSOPWM

Missoula Johnson-Bell Field

Fri 9/4

6:27 pm-12:59 am

2 stops28h 32m

$363

MissoulaPortland

MSO - PWM

MSOPWM

Missoula Johnson-Bell Field

Thu 9/3

1:18 pm-5:32 pm

1 stop26h 14m

$488

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/25

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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 July 30, 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.
United Airlines
7.4
Good
10,047 reviews

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
10,047 reviews
United Airlines
7.4
Good
10,047 reviews

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

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.

  • How long is the flight from Missoula to Portland, Maine?

    Departing from Missoula to Portland, Maine will take you 7h 47m. There are 2111 mi between Missoula and Portland, Maine.

  • What is the cheapest airline to fly from Missoula to Portland, Maine round-trip?

    Currently priced at $410, United Airlines will fly you from Missoula to Portland, Maine and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip.

  • Can I find deals for flights from Missoula to Portland that include hotel bookings?

    Yes. In addition to deals on Missoula to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missoula to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missoula to Portland.

  • Can I find deals for business class flights from Missoula to Portland?

    Yes. Cheapflights offers flight deals from Missoula to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Lewiston
Brunswick
Conway

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 2,558,603 searches. Data last updated July 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$410Average$529FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.