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$213+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — PWM
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap 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 29, 2025.

Round-trip from

$356
(Delta)

One-way from

$213
(Delta)
From Missoula Johnson-Bell Field to Portland
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One-way flight from Missoula Johnson-Bell Field to Portland
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Find 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 29, 2025.

This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/288:00 amMSO - PWM
2 stops13h 07mDelta
Sat 11/112:45 pmPWM - MSO
2 stops12h 28mDelta
Deal found 7/27$356
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.
Tue 10/286:25 amMSO - PWM
1 stop7h 23mUnited Airlines
Sat 11/13:20 pmPWM - MSO
1 stop8h 27mUnited Airlines
Deal found 7/27$409
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 11/66:32 amMSO - PWM
2 stops14h 15mAlaska Airlines
Sat 11/812:37 pmPWM - MSO
2 stops13h 06mAlaska Airlines
Deal found 7/29$564
This American Airlines deal was found by Cheapflights users on 7/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/126:45 amMSO - PWM
2 stops14h 59mAmerican Airlines
Sat 8/166:00 amPWM - MSO
2 stops11h 02mAmerican Airlines
Deal found 7/28$628

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 29, 2025.
Use the filters below to find and compare flights from Missoula to Portland that are best for you.

Fly from

Missoula

Fly to

Portland

Route

Depart

Return

Price

MissoulaPortland

MSO - PWM

MSOPWM

Missoula Johnson-Bell Field

Tue 10/28

8:00 am-11:07 pm

2 stops13h 07m

Portland

Sat 11/1

12:45 pm-11:13 pm

2 stops12h 28m

$356

MissoulaPortland

MSO - PWM

MSOPWM

Missoula Johnson-Bell Field

Tue 10/28

6:25 am-3:48 pm

1 stop7h 23m

Portland

Sat 11/1

3:20 pm-9:47 pm

1 stop8h 27m

$409

MissoulaPortland

MSO - PWM

MSOPWM

Missoula Johnson-Bell Field

Thu 11/6

6:32 am-10:47 pm

2 stops14h 15m

Portland

Sat 11/8

12:37 pm-11:43 pm

2 stops13h 06m

$564

MissoulaPortland

MSO - PWM

MSOPWM

Missoula Johnson-Bell Field

Tue 8/12

6:45 am-11:44 pm

2 stops14h 59m

Portland

Sat 8/16

6:00 am-3:02 pm

2 stops11h 02m

$628

MissoulaPortland

MSO - PWM

MSOPWM

Missoula Johnson-Bell Field

Mon 9/8

6:24 pm-12:53 am

2 stops28h 29m

$213

MissoulaPortland

MSO - PWM

MSOPWM

Missoula Johnson-Bell Field

Tue 9/9

6:40 am-11:49 am

1 stop27h 09m

$225

MissoulaPortland

MSO - PWM

MSOPWM

Missoula Johnson-Bell Field

Mon 12/15

6:15 am-6:54 pm

2 stops10h 39m

$263

MissoulaPortland

MSO - PWM

MSOPWM

Missoula Johnson-Bell Field

Mon 8/18

5:40 pm-1:05 pm

2 stops17h 25m

$284

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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.

Cheapflights Insights

Everything you need to know about your flight from Missoula to Portland

What is the cheapest month to book a flight from Missoula to Portland, Maine?

Currently, January is the cheapest month in which you can book a flight from Missoula to Portland, Maine (average of $296). Flying from Missoula to Portland, Maine in July is currently the most expensive (average of $394). 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.

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 29, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,979 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

  • What are the cheapest airlines flying from Missoula to Portland, Maine round-trip?

    Currently priced at $356, Delta will fly you from Missoula to Portland, Maine and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Alaska Airlines - these airlines can fly you to your destination from $409 and $564, respectively.

  • What are the cheapest airlines to fly from Missoula to Portland, Maine one-way?

    One-way options have recently been found by users for as low as $213 on Delta. Other airlines that offer cheap prices include American Airlines from $225 and United Airlines from $263 one-way.

  • 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.

  • What is the cheapest month to book a flight from Missoula to Portland, Maine?

    Currently, January is the cheapest month in which you can book a flight from Missoula to Portland, Maine (average of $296). Flying from Missoula to Portland, Maine in July is currently the most expensive (average of $394). 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.

See more FAQs

Traveling to a place near Portland?

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

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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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$314Average$528FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$318Average$621FlexibilityNo cancel feeOn-time69%

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