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$429+ Cheap flights from Kalispell to Portland, ME (FCA - 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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — PWM
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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Cheap flight deals from Kalispell to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Kalispell (FCA) 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 September 14, 2025.

Round-trip from

$429
(United Airlines)
From Kalispell Glacier Park to Portland
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Find flight deals from Kalispell to Portland

Cheapest flights from Kalispell to Portland
Explore the most affordable flight options available from Kalispell to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2025.

This United Airlines deal was found by Cheapflights users on 9/14. 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 10/1712:41 pmFCA - PWM
1 stop7h 03mUnited Airlines
Wed 10/226:14 amPWM - FCA
1 stop7h 21mUnited Airlines
Deal found 9/14$429
This United Airlines deal was found by Cheapflights users on 9/12. 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 10/186:30 amFCA - PWM
2 stops13h 14mUnited Airlines
Wed 10/226:00 amPWM - FCA
2 stops11h 27mUnited Airlines
Deal found 9/12$439
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Sun 10/261:14 pmFCA - PWM
1 stop20h 14mAmerican Airlines
Thu 10/305:21 pmPWM - FCA
2 stops21h 22mAmerican Airlines
Deal found 9/12$549
This United Airlines deal was found by Cheapflights users on 9/12. 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 9/2712:41 pmFCA - PWM
1 stop7h 03mUnited Airlines
Wed 10/16:14 amPWM - FCA
1 stop7h 21mUnited Airlines
Deal found 9/12$550
This United Airlines deal was found by Cheapflights users on 9/12. 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 10/212:41 pmFCA - PWM
1 stop7h 03mUnited Airlines
Tue 10/76:00 amPWM - FCA
2 stops12h 08mUnited Airlines
Deal found 9/12$584

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kalispell 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 September 14, 2025.
Use the filters below to find and compare flights from Kalispell to Portland that are best for you.

Fly from

Kalispell

Fly to

Portland

Route

Depart

Return

Price

KalispellPortland

FCA - PWM

FCAPWM

Kalispell Glacier Park

Fri 10/17

12:41 pm-9:44 pm

1 stop7h 03m

Portland

Wed 10/22

6:14 am-11:35 am

1 stop7h 21m

$429

KalispellPortland

FCA - PWM

FCAPWM

Kalispell Glacier Park

Sat 10/18

12:41 pm-9:44 pm

1 stop7h 03m

Portland

Wed 10/22

6:14 am-11:35 am

1 stop7h 21m

$429

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Best time to book a flight from Kalispell to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Kalispell 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 Kalispell to Portland

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

Currently, January is the cheapest month in which you can book a flight from Kalispell to Portland, Maine (average of $296). Flying from Kalispell 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 September 14, 2025.
Read through reviews of airlines operating flights from Kalispell to Portland, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,931 reviews

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,931 reviews
United Airlines
7.4
Good
8,931 reviews

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Kalispell 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 Kalispell to Portland, Maine?

    A quick flight from Kalispell to Portland, Maine can take about 7h 03m. United Airlines provides one of the quickest options available for as low as $429. The distance from Kalispell to Portland, Maine is about 2104 mi.

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

    Flying on United Airlines is currently your cheapest option to Portland, Maine, with prices starting at $308.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kalispell 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 Kalispell to Portland, Maine?

    Currently, January is the cheapest month in which you can book a flight from Kalispell to Portland, Maine (average of $296). Flying from Kalispell 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 airline flying from Kalispell to Portland

Discover the top airline that operate flights from Kalispell 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 September 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$308Average$655FlexibilityNo cancel feeOn-time69%

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