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Portugal

$468+ Cheap flights from Montana to Portugal

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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — LIS
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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Cheap flight deals from Montana to Portugal

Keep the following information in mind while searching for Montana to Portugal flight deals. Data was last updated March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$836
(United Airlines)

One-way from

$468
(Kiwi.com)

Popular in

May

Cheapest in

November

Average price

$1,145
Provider with most accurate pricing for Bozeman Gallatin Field-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for Bozeman Gallatin Field-Lisbon Humberto Delgado flights.
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From Montana to Portugal
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One-way flight from Montana to Portugal
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Highest demand for flights based on searches. 20% potential increase in price ($270 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Montana to Portugal

Cheapest flights from Montana to Portugal
Explore the most affordable flight options available from Montana to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

This United Airlines deal was found by Cheapflights users on 3/29. 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 10/1410:32 amMSO - LIS
2 stops28h 18mUnited Airlines
Tue 10/2111:25 amLIS - MSO
2 stops41h 01mUnited Airlines
Deal found 3/29$724
This United deal was found by Cheapflights users on 3/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/18:50 amBZN - LIS
2 stops17h 30mUnited Airlines
Fri 10/2411:25 amLIS - BZN
2 stops34h 48mUnited Airlines
Deal found 3/30$788
This KLM deal was found by Cheapflights users on 3/31. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/301:43 pmBZN - LIS
2 stops21h 57mKLM
Wed 5/75:00 amLIS - BZN
2 stops25h 31mKLM
Deal found 3/31$838
This Air France deal was found by Cheapflights users on 3/29. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/121:16 pmBZN - LIS
2 stops18h 34mMultiple Airlines
Sat 10/187:30 pmLIS - BZN
2 stops33h 51mMultiple Airlines
Deal found 3/29$1,020
This Delta deal was found by Cheapflights users on 3/30. 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 7/191:50 pmBZN - LIS
1 stop13h 55mDelta
Sat 8/95:40 amLIS - BZN
2 stops21h 47mDelta
Deal found 3/30$1,279
This Priceline deal was found by Cheapflights users on 3/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2411:30 amBZN - LIS
1 stop15h 20mTAP AIR PORTUGAL
Tue 8/55:35 pmLIS - BZN
1 stop24h 02mTAP AIR PORTUGAL
Deal found 3/30$1,874

Cheapflights Fare Finder

Customize your flight search to find flights from Montana to Portugal 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 March 31, 2025.
Use the filters below to find and compare flights from Montana to Portugal that are best for you.

Fly from

Montana

Fly to

Portugal

Route

Depart

Return

Price

BozemanLisbon

BZN - LIS

BZNLIS

Bozeman Gallatin Field

Wed 5/14

12:40 pm-9:50 pm

2 stops26h 10m

Lisbon Humberto Delgado

Wed 5/21

6:15 am-11:44 pm

2 stops24h 29m

$836

BozemanLisbon

BZN - LIS

BZNLIS

Bozeman Gallatin Field

Wed 4/30

1:43 pm-6:40 pm

2 stops21h 57m

Lisbon Humberto Delgado

Wed 5/7

5:00 am-11:31 pm

2 stops25h 31m

$838

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Fri 7/4

5:20 pm-9:20 am

2 stops57h 00m

Lisbon Humberto Delgado

Wed 7/16

11:25 am-9:23 pm

2 stops40h 58m

$955

BozemanLisbon

BZN - LIS

BZNLIS

Bozeman Gallatin Field

Sat 7/19

1:50 pm-10:45 am

1 stop13h 55m

Lisbon Humberto Delgado

Sat 8/9

5:40 am-8:27 pm

2 stops21h 47m

$1,279

BozemanLisbon

BZN - LIS

BZNLIS

Bozeman Gallatin Field

Wed 5/14

10:55 am-1:40 pm

2 stops19h 45m

Lisbon Humberto Delgado

Wed 5/21

7:10 am-1:51 pm

3 stops37h 41m

$1,280

BozemanLisbon

BZN - LIS

BZNLIS

Bozeman Gallatin Field

Thu 7/24

11:30 am-9:50 am

1 stop15h 20m

Lisbon Humberto Delgado

Tue 8/5

5:35 pm-10:37 am

1 stop24h 02m

$1,874

BozemanLisbon

BZN - LIS

BZNLIS

Bozeman Gallatin Field

Fri 5/2

2:54 pm-8:15 am

3 stops58h 21m

$468

BozemanLisbon

BZN - LIS

BZNLIS

Bozeman Gallatin Field

Thu 7/24

11:30 am-9:50 am

1 stop15h 20m

$720

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/29

Best time to book a flight from Montana to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal 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 Portugal

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

Currently, January is the cheapest month in which you can book a flight from Montana to Portugal (average of $612). Flying from Montana to Portugal in June is currently the most expensive (average of $1,213). 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.

Rainfall in Portugal by month

Plan your trip to Portugal by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

Plan your trip to Portugal by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portugal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated March 31, 2025.
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,614 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
TAP AIR PORTUGAL
7.1
Good
1,831 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Montana to Portugal (average of $612). Flying from Montana to Portugal in June is currently the most expensive (average of $1,213). 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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Alternative routes for Montana to Portugal

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 Portugal

Discover the top 2 airlines that operate flights from Montana to Portugal. 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$549Average$1,068FlexibilityNo cancel feeOn-time69%
DeltaCheapest$574Average$880FlexibilityNo cancel feeOn-timeN/A
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