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$215+ Cheap flights from Maine to Missoula (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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — MSO
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheap flight deals from Maine to Missoula

Keep the following information in mind while searching for Maine to Missoula flight deals. Data was last updated August 18, 2025.

Round-trip from

$314
(American Airlines)

One-way from

$215
(Mytrip)

Popular in

October

Cheapest in

August

Average price

$517
From Maine to Missoula Johnson-Bell Field
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One-way flight from Maine to Missoula Johnson-Bell Field
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Highest demand for flights based on searches. 13% potential increase in price ($103 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Maine to Missoula

Cheapest flights from Maine to Missoula
Explore the most affordable flight options available from Maine to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This American Airlines deal was found by Cheapflights users on 8/17. 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 9/263:28 pmPWM - MSO
1 stop9h 50mAmerican Airlines
Sat 10/46:40 amMSO - PWM
2 stops9h 15mAmerican Airlines
Deal found 8/17$314
This Delta deal was found by Cheapflights users on 8/17. 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 11/112:00 pmPWM - MSO
2 stops11h 40mDelta
Tue 11/48:00 amMSO - PWM
2 stops13h 09mDelta
Deal found 8/17$319
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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 11/44:46 pmBOS - MSO
1 stop9h 27mAlaska Airlines
Mon 11/176:32 amMSO - BOS
1 stop8h 51mAlaska Airlines
Deal found 8/16$340
This Delta deal was found by Cheapflights users on 8/16. 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 11/56:50 pmBOS - MSO
1 stop7h 27mDelta
Wed 11/126:10 pmMSO - BOS
1 stop9h 59mDelta
Deal found 8/16$341
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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.
Sat 11/87:00 amBOS - MSO
1 stop10h 24mAlaska Airlines
Tue 11/185:30 amMSO - BOS
1 stop7h 54mAlaska Airlines
Deal found 8/16$345
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/107:30 amBOS - MSO
1 stop8h 04mUnited Airlines
Thu 9/116:30 amMSO - BOS
2 stops10h 25mUnited Airlines
Deal found 8/18$346
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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.
Sat 11/87:00 amBOS - MSO
1 stop10h 24mAlaska Airlines
Sat 11/155:30 amMSO - BOS
1 stop7h 54mAlaska Airlines
Deal found 8/16$350
This Delta deal was found by Cheapflights users on 8/16. 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 11/43:20 pmBOS - MSO
2 stops10h 57mDelta
Tue 11/185:35 amMSO - BOS
2 stops9h 44mDelta
Deal found 8/16$351
This Delta deal was found by Cheapflights users on 8/16. 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 11/812:00 pmBOS - MSO
2 stops11h 40mDelta
Tue 11/188:00 amMSO - BOS
2 stops12h 24mDelta
Deal found 8/16$356
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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 10/216:15 amBOS - MSO
1 stop9h 12mAlaska Airlines
Mon 10/2712:59 pmMSO - BOS
2 stops16h 30mAlaska Airlines
Deal found 8/16$357
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Sat 9/201:03 pmBOS - MSO
2 stops12h 15mAmerican Airlines
Sat 9/276:40 amMSO - BOS
2 stops12h 17mAmerican Airlines
Deal found 8/17$361
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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 10/317:00 amBOS - MSO
1 stop10h 24mAlaska Airlines
Tue 11/46:32 amMSO - BOS
1 stop8h 51mAlaska Airlines
Deal found 8/16$365

Cheapflights Fare Finder

 
Customize your flight search to find flights from Maine 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 August 18, 2025.
Use the filters below to find and compare flights from Maine to Missoula that are best for you.

Fly from

Maine

Fly to

Missoula

Route

Depart

Return

Price

PortlandMissoula

PWM - MSO

PWMMSO

Portland

Fri 9/26

3:28 pm-11:18 pm

1 stop9h 50m

Missoula Johnson-Bell Field

Sat 10/4

6:40 am-5:55 pm

2 stops9h 15m

$314

PortlandMissoula

PWM - MSO

PWMMSO

Portland

Sat 11/1

12:45 pm-11:13 pm

2 stops12h 28m

Missoula Johnson-Bell Field

Tue 11/4

8:00 am-11:09 pm

2 stops13h 09m

$319

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

Thu 11/6

7:00 am-3:24 pm

1 stop10h 24m

Missoula Johnson-Bell Field

Tue 11/18

6:32 am-5:23 pm

1 stop8h 51m

$340

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

Wed 11/5

7:00 am-3:24 pm

1 stop10h 24m

Missoula Johnson-Bell Field

Mon 11/17

6:32 am-5:23 pm

1 stop8h 51m

$340

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

Wed 11/5

7:00 am-3:24 pm

1 stop10h 24m

Missoula Johnson-Bell Field

Tue 11/18

1:59 pm-12:20 am

1 stop8h 21m

$340

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

Tue 11/4

4:46 pm-12:13 am

1 stop9h 27m

Missoula Johnson-Bell Field

Mon 11/17

6:32 am-5:23 pm

1 stop8h 51m

$340

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

Tue 11/4

7:00 am-3:24 pm

1 stop10h 24m

Missoula Johnson-Bell Field

Tue 11/18

1:59 pm-12:20 am

1 stop8h 21m

$340

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

Thu 11/6

7:00 am-3:24 pm

1 stop10h 24m

Missoula Johnson-Bell Field

Mon 11/17

6:32 am-5:23 pm

1 stop8h 51m

$340

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

Wed 11/5

7:00 am-3:24 pm

1 stop10h 24m

Missoula Johnson-Bell Field

Sat 11/15

1:59 pm-12:20 am

1 stop8h 21m

$341

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

Wed 9/10

7:30 am-1:34 pm

1 stop8h 04m

Missoula Johnson-Bell Field

Fri 9/12

4:17 pm-6:01 am

1 stop11h 44m

$341

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 21 results
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Best time to book a flight from Maine to Missoula

Have a flexible travel schedule? Discover the best time to fly to Missoula from Maine 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 Maine to Missoula

How much does it cost to fly round-trip from Maine to Missoula?

Related info for your journey

Find useful and relevant information for your journey from Maine to Missoula. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Missoula from Maine?

    Located just 5.5 mi from the city center, Missoula Johnson-Bell Field (MSO) is the airport most travelers will use when flying to Missoula from Maine.

  • How long is the flight from Maine to Missoula?

    Airlines like American Airlines, Delta, and Alaska Airlines fly from Maine to Missoula in about 9h 50m. The time it takes to get you to your destination can typically vary by up to 2h 38m. There are 2111 mi between Maine and Missoula. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Maine to Missoula 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 Maine to Missoula?

    Currently, October is the cheapest month in which you can book a flight from Maine to Missoula (average of $365). Flying from Maine to Missoula in March is currently the most expensive (average of $506). 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

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Top 2 airlines flying from Maine to Missoula

Discover the top 2 airlines that operate flights from Maine 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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$429Average$594FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$463Average$663FlexibilityNo cancel feeOn-time69%

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