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Lisbon

$489+ Cheap flights from Montana to Lisbon (LIS)

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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — LIS
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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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 November 13, 2025.

This United Airlines deal was found by Cheapflights users on 11/13. 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 12/116:30 amBZN - LIS
2 stops18h 40mUnited Airlines
Tue 12/165:00 amLIS - BZN
2 stops37h 59mUnited Airlines
Deal found 11/13$497
This United Airlines deal was found by Cheapflights users on 11/13. 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 12/116:30 amBZN - LIS
2 stops20h 45mUnited Airlines
Sun 12/1411:55 amLIS - BZN
2 stops30h 53mUnited Airlines
Deal found 11/13$510
This United Airlines deal was found by Cheapflights users on 11/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/35:20 pmMSO - LIS
2 stops33h 00mUnited Airlines
Sun 12/710:50 amLIS - MSO
2 stops41h 28mUnited Airlines
Deal found 11/10$537
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Mon 11/246:20 amMSO - LIS
2 stops34h 10mUnited Airlines
Wed 12/311:00 amLIS - MSO
2 stops36h 10mUnited Airlines
Deal found 11/12$552
This United Airlines deal was found by Cheapflights users on 11/13. 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 12/26:30 amBZN - LIS
2 stops19h 50mUnited Airlines
Tue 12/95:00 amLIS - BZN
2 stops23h 39mUnited Airlines
Deal found 11/13$557
This United Airlines deal was found by Cheapflights users on 11/13. 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 12/26:30 amBZN - LIS
2 stops19h 50mUnited Airlines
Thu 12/115:00 amLIS - BZN
2 stops36h 01mUnited Airlines
Deal found 11/13$562
This United Airlines deal was found by Cheapflights users on 11/13. 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 12/11:37 pmBZN - LIS
2 stops36h 43mUnited Airlines
Tue 12/95:00 amLIS - BZN
2 stops23h 39mUnited Airlines
Deal found 11/13$563
This Delta deal was found by Cheapflights users on 11/13. 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 12/211:45 amBZN - LIS
2 stops22h 45mDelta
Wed 12/1011:25 amLIS - BZN
2 stops43h 12mDelta
Deal found 11/13$565
This United Airlines deal was found by Cheapflights users on 11/13. 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 12/312:50 pmBZN - LIS
2 stops14h 25mUnited Airlines
Thu 12/115:00 amLIS - BZN
2 stops36h 01mUnited Airlines
Deal found 11/13$567
This Delta deal was found by Cheapflights users on 11/13. 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.
Mon 12/13:00 pmBZN - LIS
2 stops37h 20mDelta
Wed 12/105:00 amLIS - BZN
2 stops25h 37mDelta
Deal found 11/13$570
This United Airlines deal was found by Cheapflights users on 11/13. 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 12/92:42 pmBZN - LIS
2 stops25h 48mUnited Airlines
Tue 12/166:10 amLIS - BZN
2 stops34h 51mUnited Airlines
Deal found 11/13$571
This Delta deal was found by Cheapflights users on 11/13. 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 12/62:36 pmBZN - LIS
2 stops34h 24mDelta
Wed 12/1711:15 amLIS - BZN
2 stops30h 35mDelta
Deal found 11/13$575

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 November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$483
(United Airlines)

Popular in

May

Cheapest in

November

Average price

$666
Provider with most accurate pricing for Bozeman Gallatin Field-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bozeman Gallatin Field-Lisbon Humberto Delgado flights.
Search Deals
From Montana to Lisbon Humberto Delgado
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($195 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 13, 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

BozemanLisbon

BZN - LIS

BZNLIS

Bozeman Gallatin Field

Mon 1/12

12:05 pm-8:10 am

1 stop13h 05m

Lisbon Humberto Delgado

Sun 1/18

10:50 am-9:33 pm

2 stops41h 43m

$489

BozemanLisbon

BZN - LIS

BZNLIS

Bozeman Gallatin Field

Thu 1/22

6:15 am-9:20 am

2 stops20h 05m

Lisbon Humberto Delgado

Sun 2/1

10:50 am-9:33 pm

2 stops41h 43m

$489

BozemanLisbon

BZN - LIS

BZNLIS

Bozeman Gallatin Field

Wed 1/21

12:05 pm-8:10 am

1 stop13h 05m

Lisbon Humberto Delgado

Mon 1/26

11:20 am-1:26 pm

2 stops33h 06m

$489

BozemanLisbon

BZN - LIS

BZNLIS

Bozeman Gallatin Field

Thu 1/8

4:16 pm-9:20 am

2 stops34h 04m

Lisbon Humberto Delgado

Fri 1/16

11:20 am-9:33 pm

2 stops41h 13m

$496

BozemanLisbon

BZN - LIS

BZNLIS

Bozeman Gallatin Field

Mon 1/26

6:00 am-8:00 am

2 stops19h 00m

Lisbon Humberto Delgado

Sun 2/1

5:00 am-8:00 pm

2 stops22h 00m

$500

BozemanLisbon

BZN - LIS

BZNLIS

Bozeman Gallatin Field

Thu 1/29

6:00 am-8:00 am

2 stops19h 00m

Lisbon Humberto Delgado

Wed 2/4

5:00 am-8:00 pm

2 stops22h 00m

$500

BozemanLisbon

BZN - LIS

BZNLIS

Bozeman Gallatin Field

Sun 1/25

6:00 am-8:00 am

2 stops19h 00m

Lisbon Humberto Delgado

Sat 1/31

11:25 am-8:00 pm

2 stops39h 35m

$500

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Wed 12/3

5:20 pm-9:20 am

2 stops33h 00m

Lisbon Humberto Delgado

Sun 12/7

10:50 am-9:18 pm

2 stops41h 28m

$537

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Mon 11/24

6:20 am-11:30 pm

2 stops34h 10m

Lisbon Humberto Delgado

Wed 12/3

11:00 am-4:10 pm

2 stops36h 10m

$552

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Mon 5/4

6:15 am-9:20 am

3 stops44h 05m

Lisbon Humberto Delgado

Sun 5/10

6:15 am-4:10 pm

2 stops40h 55m

$725

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/13

Showing 1-10 of 17 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, November is the cheapest month in which you can book a flight from Montana to Lisbon (average of $551). Flying from Montana to Lisbon in September is currently the most expensive (average of $924). 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.

How much does it cost to fly round-trip from Montana to Lisbon?

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 13h 05m. 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, November is the cheapest month in which you can book a flight from Montana to Lisbon (average of $551). Flying from Montana to Lisbon in September is currently the most expensive (average of $924). 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
Ericeira
Nazaré
Costa da Caparica
Torres Vedras
Beja
Sesimbra
Colares

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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 3 airlines flying from Montana to Lisbon

Discover the top 3 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$551Average$922FlexibilityNo cancel feeOn-time69%
DeltaCheapest$618Average$893FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$745Average$930FlexibilityNo cancel feeOn-time75%

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