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$720+ Cheap flights from Portugal to Montana

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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — BZN
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Portugal to Montana

Keep the following information in mind while searching for Portugal to Montana flight deals. Data was last updated September 16, 2025.

Round-trip from

$957
(United Airlines)

One-way from

$720
(Kiwi.com)
From Portugal to Montana
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One-way flight from Portugal to Montana
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Find flight deals from Portugal to Montana

Cheapest flights from Portugal to Montana
Explore the most affordable flight options available from Portugal to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 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.
Thu 12/45:00 amLIS - FCA
2 stops23h 46mUnited Airlines
Mon 12/82:37 pmFCA - LIS
2 stops36h 38mUnited Airlines
Deal found 9/14$957

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portugal to Montana 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 16, 2025.
Use the filters below to find and compare flights from Portugal to Montana that are best for you.

Fly from

Portugal

Fly to

Montana

Route

Depart

Return

Price

LisbonKalispell

LIS - FCA

LISFCA

Lisbon Humberto Delgado

Thu 12/4

5:00 am-9:46 pm

2 stops23h 46m

Kalispell Glacier Park

Mon 12/8

6:15 am-8:10 am

2 stops18h 55m

$957

LisbonKalispell

LIS - FCA

LISFCA

Lisbon Humberto Delgado

Mon 9/22

9:55 am-3:42 pm

2 stops36h 47m

$720

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Best time to book a flight from Portugal to Montana

Have a flexible travel schedule? Discover the best time to fly to Montana from Portugal 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 Portugal to Montana
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Portugal to Montana. 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 Portugal to Montana?

    For as low as $957, United Airlines can have you in Montana from Portugal in 23h 46m. The distance from Portugal to Montana is about 4873 mi.

  • Can I find deals for flights from Portugal to Montana that include hotel bookings?

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

  • How can I find direct flights from Portugal to Montana?

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

  • Can I find deals for business class flights from Portugal to Montana?

    Yes. Cheapflights offers flight deals from Portugal to Montana 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 Portugal to Montana?

    Currently, October is the cheapest month in which you can book a flight from Portugal to Montana (average of $371). Flying from Portugal to Montana in May is currently the most expensive (average of $476). 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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