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$478+ Cheap flights from Montana to Barcelona

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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — BCN
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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Cheap flight deals from Montana to Barcelona

Cheapest flights from Montana to Barcelona
Explore the most affordable flight options available from Montana to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.

This United Airlines deal was found by Cheapflights users on 1/26. 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 4/134:19 pm
BZN
-
BCN
2 stops57h 01m
United Airlines
Wed 4/291:15 pm
BCN
-
BZN
2 stops40h 22m
United Airlines
Deal found 1/26$478
This United Airlines deal was found by Cheapflights users on 1/25. 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 3/46:00 am
FCA
-
BCN
2 stops27h 35m
United Airlines
Sun 3/810:30 am
BCN
-
FCA
2 stops32h 23m
United Airlines
Deal found 1/25$497
This American Airlines deal was found by Cheapflights users on 1/26. 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.
Mon 4/131:41 pm
BZN
-
BCN
2 stops18h 44m
American Airlines
Wed 4/2910:45 am
BCN
-
BZN
1 stop34h 06m
American Airlines
Deal found 1/26$639
This American Airlines deal was found by Cheapflights users on 1/27. 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 2/141:47 pm
BZN
-
BCN
1 stop35h 03m
American Airlines
Fri 2/2710:40 am
BCN
-
BZN
1 stop32h 03m
American Airlines
Deal found 1/27$679
This United Airlines deal was found by Cheapflights users on 1/27. 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 2/144:29 pm
BZN
-
BCN
2 stops33h 06m
United Airlines
Fri 2/2711:00 am
BCN
-
BZN
2 stops34h 36m
United Airlines
Deal found 1/27$682
This American Airlines deal was found by Cheapflights users on 1/27. 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 10/251:52 pm
BZN
-
BCN
2 stops19h 13m
American Airlines
Fri 11/610:40 am
BCN
-
BZN
1 stop34h 21m
American Airlines
Deal found 1/27$788
This United Airlines deal was found by Cheapflights users on 1/27. 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 10/257:00 am
BZN
-
BCN
2 stops23h 10m
United Airlines
Fri 11/63:05 pm
BCN
-
BZN
2 stops29h 11m
United Airlines
Deal found 1/27$789
This KAYAK deal was found by Cheapflights users on 1/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2512:30 pm
BZN
-
BCN
1 stop17h 40m
Lufthansa
Fri 11/63:05 pm
BCN
-
BZN
1 stop28h 28m
Lufthansa
Deal found 1/27$806
This United Airlines deal was found by Cheapflights users on 1/26. 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 3/1212:44 pm
BZN
-
BCN
2 stops18h 31m
United Airlines
Thu 3/199:55 am
BCN
-
BZN
2 stops33h 37m
United Airlines
Deal found 1/26$883
This British Airways deal was found by Cheapflights users on 1/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/273:32 pm
BIL
-
BCN
2 stops23h 03m
British Airways
Tue 3/36:40 am
BCN
-
BIL
2 stops24h 58m
British Airways
Deal found 1/27$1,035
This United Airlines deal was found by Cheapflights users on 1/25. 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 2/277:00 am
BIL
-
BCN
2 stops26h 35m
United Airlines
Tue 3/31:35 pm
BCN
-
BIL
2 stops39h 47m
United Airlines
Deal found 1/25$1,211
This United Airlines deal was found by Cheapflights users on 1/27. 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 1/306:00 am
FCA
-
BCN
2 stops19h 35m
United Airlines
Wed 4/291:15 pm
BCN
-
FCA
2 stops40h 42m
United Airlines
Deal found 1/27$1,803

Find flight deals from Montana to Barcelona

Keep the following information in mind while searching for Montana to Barcelona flight deals. Data was last updated January 28, 2026.

Round-trip from

$478
(United Airlines)

Popular in

June

Cheapest in

November

Average price

$1,053
From Montana to Barcelona
Search Deals
Highest demand for flights based on searches. 37% potential increase in price ($631 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease ($112 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montana to Barcelona 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 January 28, 2026.
Use the filters below to find and compare flights from Montana to Barcelona that are best for you.

Fly from

Montana

Fly to

Barcelona

Route

Depart

Return

Price

BozemanBarcelona

BZN - BCN

BZNBCN

Bozeman Gallatin Field

Mon 4/13

4:19 pm-9:20 am

2 stops57h 01m

Barcelona-El Prat

Wed 4/29

1:15 pm-9:37 pm

2 stops40h 22m

$478

KalispellBarcelona

FCA - BCN

FCABCN

Kalispell Glacier Park

Wed 3/4

6:00 am-5:35 pm

2 stops27h 35m

Barcelona-El Prat

Sun 3/8

10:30 am-11:53 am

2 stops32h 23m

$497

BozemanBarcelona

BZN - BCN

BZNBCN

Bozeman Gallatin Field

Mon 4/13

1:41 pm-4:25 pm

2 stops18h 44m

Barcelona-El Prat

Wed 4/29

10:45 am-12:51 pm

1 stop34h 06m

$639

BozemanBarcelona

BZN - BCN

BZNBCN

Bozeman Gallatin Field

Sat 2/14

1:47 pm-8:50 am

1 stop35h 03m

Barcelona-El Prat

Fri 2/27

10:40 am-10:43 am

1 stop32h 03m

$679

BozemanBarcelona

BZN - BCN

BZNBCN

Bozeman Gallatin Field

Sat 2/14

10:50 am-9:35 am

2 stops38h 45m

Barcelona-El Prat

Fri 2/27

11:00 am-10:39 am

1 stop31h 39m

$682

BozemanBarcelona

BZN - BCN

BZNBCN

Bozeman Gallatin Field

Thu 3/12

12:44 pm-2:15 pm

2 stops18h 31m

Barcelona-El Prat

Thu 3/19

9:55 am-12:32 pm

2 stops33h 37m

$883

BillingsBarcelona

BIL - BCN

BILBCN

Billings Logan Intl

Fri 2/27

3:32 pm-10:35 pm

2 stops23h 03m

Barcelona-El Prat

Tue 3/3

6:40 am-11:38 pm

2 stops24h 58m

$1,035

BillingsBarcelona

BIL - BCN

BILBCN

Billings Logan Intl

Fri 2/27

7:00 am-5:35 pm

2 stops26h 35m

Barcelona-El Prat

Tue 3/3

1:35 pm-9:22 pm

2 stops39h 47m

$1,211

BozemanBarcelona

BZN - BCN

BZNBCN

Bozeman Gallatin Field

Mon 6/1

1:54 pm-4:00 pm

2 stops18h 06m

Barcelona-El Prat

Mon 6/8

10:55 am-10:37 pm

2 stops19h 42m

$1,251

BozemanBarcelona

BZN - BCN

BZNBCN

Bozeman Gallatin Field

Mon 6/1

12:30 pm-1:15 pm

1 stop16h 45m

Barcelona-El Prat

Mon 6/8

11:50 am-10:18 pm

2 stops42h 28m

$1,326

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 14 results
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Best time to book a flight from Montana to Barcelona

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

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

Currently, November is the cheapest month in which you can book a flight from Montana to Barcelona (average of $442). Flying from Montana to Barcelona in June is currently the most expensive (average of $1,510). 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 Barcelona. 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 Montana to Barcelona?

    Airlines like United Airlines, American Airlines, and British Airways fly from Montana to Barcelona in about 18h 44m. The time it takes to get you to your destination can typically vary by up to 38h 17m. Montana and Barcelona are separated by a distance of 5148 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Montana to Barcelona?

    When deciding which route to take from Montana to Barcelona consider Kalispell Glacier Park - Barcelona-El Prat, Bozeman Gallatin Field - Barcelona-El Prat or Billings Logan Intl - Barcelona-El Prat as they are the most popular.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Montana to Barcelona (average of $442). Flying from Montana to Barcelona in June is currently the most expensive (average of $1,510). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Montana to Barcelona

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 Barcelona

Discover the top 2 airlines that operate flights from Montana to Barcelona. 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 January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$490Average$943FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$774Average$1,228FlexibilityNo cancel feeOn-time71%

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