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Lisbon

$332+ Cheap flights from Montana to Lisbon (LIS)

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.
BZN — LIS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Montana to Lisbon

Keep the following information in mind while searching for Montana to Lisbon flight deals. Data was last updated September 11, 2025.

Round-trip from

$556
(United Airlines)

One-way from

$332
(United Airlines)

Popular in

May

Cheapest in

January

Average price

$1,130
From Montana to Lisbon Humberto Delgado
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One-way flight from Montana to Lisbon Humberto Delgado
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Highest demand for flights based on searches. 19% potential increase in price ($240 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Montana to Lisbon

Cheapest flights from Montana to Lisbon
Explore the most affordable flight options available from Montana to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/11. 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.
Mon 12/84:07 pmBZN - LIS
3 stops35h 08mUnited Airlines
Thu 12/1811:55 amLIS - BZN
2 stops28h 50mUnited Airlines
Deal found 9/11$560
This United Airlines deal was found by Cheapflights users on 9/9. 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 11/126:20 amMSO - LIS
2 stops18h 50mUnited Airlines
Sun 11/165:00 amLIS - MSO
2 stops23h 47mUnited Airlines
Deal found 9/9$617
This United Airlines deal was found by Cheapflights users on 9/9. 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 12/36:30 amBZN - LIS
2 stops20h 45mUnited Airlines
Sun 12/710:50 amLIS - BZN
2 stops33h 45mUnited Airlines
Deal found 9/9$618
This United Airlines deal was found by Cheapflights users on 9/11. 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 11/110:47 amBZN - LIS
2 stops41h 28mUnited Airlines
Sat 11/155:00 amLIS - BZN
2 stops37h 43mUnited Airlines
Deal found 9/11$620
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/295:10 pmMSO - LIS
2 stops24h 20mUnited Airlines
Sat 11/85:00 amLIS - MSO
2 stops23h 47mUnited Airlines
Deal found 9/9$635
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 10/291:31 pmMSO - LIS
2 stops22h 09mMultiple Airlines
Sat 11/810:30 amLIS - MSO
2 stops32h 49mMultiple Airlines
Deal found 9/10$648
This American Airlines deal was found by Cheapflights users on 9/10. 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 11/111:16 amBZN - LIS
2 stops18h 54mMultiple Airlines
Sat 11/154:45 pmLIS - BZN
2 stops27h 16mMultiple Airlines
Deal found 9/10$707
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/266:35 amBZN - LIS
2 stops21h 40mUnited Airlines
Sun 11/25:00 amLIS - BZN
2 stops38h 31mUnited Airlines
Deal found 9/11$716
This United Airlines deal was found by Cheapflights users on 9/11. 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 12/166:15 amMSO - LIS
2 stops18h 55mUnited Airlines
Tue 12/3011:20 amLIS - MSO
2 stops41h 21mUnited Airlines
Deal found 9/11$718
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 11/51:59 pmMSO - LIS
2 stops20h 41mMultiple Airlines
Fri 11/148:45 pmLIS - MSO
2 stops30h 21mMultiple Airlines
Deal found 9/10$782
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/111:10 amBZN - LIS
2 stops16h 20mUnited Airlines
Fri 10/2412:20 pmLIS - BZN
2 stops32h 02mUnited Airlines
Deal found 9/11$970
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/11:54 pmBZN - LIS
2 stops26h 16mBritish Airways
Fri 10/247:20 amLIS - BZN
2 stops22h 17mBritish Airways
Deal found 9/10$974

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montana to Lisbon 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 11, 2025.
Use the filters below to find and compare flights from Montana to Lisbon that are best for you.

Fly from

Montana

Fly to

Lisbon

Route

Depart

Return

Price

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Wed 2/25

6:15 am-10:15 am

2 stops21h 00m

Lisbon Humberto Delgado

Tue 3/3

5:00 am-9:26 pm

2 stops23h 26m

$556

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Tue 2/24

6:15 am-10:15 am

2 stops21h 00m

Lisbon Humberto Delgado

Tue 3/3

5:00 am-9:26 pm

2 stops23h 26m

$556

BozemanLisbon

BZN - LIS

BZNLIS

Bozeman Gallatin Field

Mon 12/8

4:07 pm-10:15 am

3 stops35h 08m

Lisbon Humberto Delgado

Thu 12/18

11:55 am-9:45 am

2 stops28h 50m

$560

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Tue 2/24

6:15 am-10:15 am

2 stops21h 00m

Lisbon Humberto Delgado

Tue 3/3

5:00 am-9:26 pm

3 stops23h 26m

$562

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Wed 2/25

6:15 am-8:10 am

2 stops18h 55m

Lisbon Humberto Delgado

Tue 3/3

5:00 am-9:26 pm

3 stops23h 26m

$562

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Wed 11/12

6:20 am-8:10 am

2 stops18h 50m

Lisbon Humberto Delgado

Sun 11/16

5:00 am-9:47 pm

2 stops23h 47m

$617

BozemanLisbon

BZN - LIS

BZNLIS

Bozeman Gallatin Field

Wed 12/3

6:30 am-10:15 am

2 stops20h 45m

Lisbon Humberto Delgado

Sun 12/7

10:50 am-1:35 pm

2 stops33h 45m

$618

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Wed 10/29

5:10 pm-11:30 pm

2 stops24h 20m

Lisbon Humberto Delgado

Sat 11/8

5:00 am-9:47 pm

2 stops23h 47m

$635

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Wed 10/29

1:31 pm-5:40 pm

2 stops22h 09m

Lisbon Humberto Delgado

Sat 11/8

10:30 am-12:19 pm

2 stops32h 49m

$648

BozemanLisbon

BZN - LIS

BZNLIS

Bozeman Gallatin Field

Sat 11/1

11:16 am-12:10 pm

2 stops18h 54m

Lisbon Humberto Delgado

Sat 11/15

4:45 pm-1:01 pm

2 stops27h 16m

$707

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 21 results
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Best time to book a flight from Montana to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon from Montana 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 Montana to Lisbon

What is the cheapest month to book a flight from Montana to Lisbon?

Currently, January is the cheapest month in which you can book a flight from Montana to Lisbon (average of $612). Flying from Montana to Lisbon in June is currently the most expensive (average of $1,127). 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.

Related info for your journey

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

    Located just 4.2 mi from the city center, Lisbon Humberto Delgado (LIS) is the airport most travelers will use when flying to Lisbon from Montana.

  • How long is the flight from Montana to Lisbon?

    There are many flights that can get you from Montana to Lisbon in 35h 08m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 4860 mi.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Montana to Lisbon (average of $612). Flying from Montana to Lisbon in June is currently the most expensive (average of $1,127). 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 Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Sintra
Fátima
Oeiras
Beja
Nazaré
Ericeira
Costa da Caparica
Torres Vedras
Sesimbra
Colares

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Montana to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Montana to Lisbon

Discover the top 2 airlines that operate flights from Montana to Lisbon. 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 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$587Average$1,013FlexibilityNo cancel feeOn-time69%
DeltaCheapest$618Average$884FlexibilityNo cancel feeOn-timeN/A

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