HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Barcelona-El Prat

$668+ Cheap flights from Kalispell (FCA) to Barcelona-El Prat (BCN)

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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — BCN
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kalispell to Barcelona-El Prat with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Kalispell to Barcelona-El Prat

Discover tips and strategies to find the most affordable flight options for your journey from Kalispell (FCA) to Barcelona-El Prat (BCN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$668
(United Airlines)
From Kalispell Glacier Park to Barcelona-El Prat
Search Deals

Find flight deals from Kalispell to Barcelona-El Prat

Cheapest flights from Kalispell to Barcelona-El Prat
Explore the most affordable flight options available from Kalispell to Barcelona-El Prat. 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 9/10. 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.
Tue 9/306:30 amFCA - BCN
2 stops18h 30mUnited Airlines
Fri 10/107:50 amBCN - FCA
2 stops21h 41mUnited Airlines
Deal found 9/10$668
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/255:20 amFCA - BCN
2 stops26h 40mDelta
Sat 11/19:15 amBCN - FCA
2 stops20h 54mDelta
Deal found 9/10$731
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/256:30 amFCA - BCN
2 stops19h 05mUnited Airlines
Sat 11/16:50 amBCN - FCA
3 stops21h 43mUnited Airlines
Deal found 9/10$822
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.
Tue 9/301:28 pmFCA - BCN
1 stop13h 02mAmerican Airlines
Fri 10/1010:45 amBCN - FCA
1 stop33h 58mAmerican Airlines
Deal found 9/10$1,156

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kalispell to Barcelona-El Prat 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 Kalispell to Barcelona-El Prat Airport that are best for you.

Fly from

Kalispell

Fly to

Barcelona-El Prat

Route

Depart

Return

Price

KalispellBarcelona

FCA - BCN

FCABCN

Kalispell Glacier Park

Tue 9/30

6:30 am-9:00 am

2 stops18h 30m

Barcelona-El Prat

Fri 10/10

7:50 am-9:31 pm

2 stops21h 41m

$668

KalispellBarcelona

FCA - BCN

FCABCN

Kalispell Glacier Park

Sat 10/25

5:20 am-4:00 pm

2 stops26h 40m

Barcelona-El Prat

Sat 11/1

9:15 am-11:09 pm

2 stops20h 54m

$731

KalispellBarcelona

FCA - BCN

FCABCN

Kalispell Glacier Park

Fri 3/6

6:31 am-5:45 pm

2 stops27h 14m

Barcelona-El Prat

Tue 3/10

10:30 am-9:30 pm

2 stops18h 00m

$733

KalispellBarcelona

FCA - BCN

FCABCN

Kalispell Glacier Park

Sat 10/25

6:30 am-9:35 am

2 stops19h 05m

Barcelona-El Prat

Sat 11/1

6:50 am-9:33 pm

3 stops21h 43m

$822

KalispellBarcelona

FCA - BCN

FCABCN

Kalispell Glacier Park

Tue 9/30

1:28 pm-10:30 am

1 stop13h 02m

Barcelona-El Prat

Fri 10/10

10:45 am-12:43 pm

1 stop33h 58m

$1,156

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from Kalispell to Barcelona-El Prat

Have a flexible travel schedule? Discover the best time to fly to Barcelona-El Prat from Kalispell 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.

Reviews of airlines servicing Barcelona-El Prat

Get insights into the airlines that provide service to Barcelona-El Prat. 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 Barcelona-El Prat. Reviews last updated September 11, 2025.
See what other customers who have flown with United Airlines and American Airlines from Kalispell to Barcelona-El Prat Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Kalispell to Barcelona-El Prat. 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 from for flights from Kalispell to Barcelona-El Prat?

    Most people fly from Kalispell Glacier Park (FCA) if they book a flight from Kalispell to Barcelona-El Prat. On average, Glacier Park has 0 outbound flights to Barcelona-El Prat per day from 2 airlines. Kalispell Glacier Park is conveniently located just 8.4 mi from Kalispell’s city center.

  • How long is the flight from Kalispell to Barcelona-El Prat Airport?

    A quick flight from Kalispell to Barcelona-El Prat Airport can take about 18h 30m. United Airlines provides one of the quickest options available for as low as $668. Airlines will cover a distance of 5128 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Kalispell to Barcelona-El Prat Airport round-trip?

    Cheapflights users have booked flights from Kalispell to Barcelona-El Prat Airport round-trip from $587. Another airline that can offer you cheap pricing is American Airlines.

  • Can I find deals for flights from Kalispell to Barcelona-El Prat that include hotel bookings?

    Yes. In addition to deals on Kalispell to Barcelona-El Prat flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kalispell to Barcelona-El Prat?

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

  • Can I find deals for business class flights from Kalispell to Barcelona-El Prat?

    Yes. Cheapflights offers flight deals from Kalispell to Barcelona-El Prat 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 Kalispell to Barcelona-El Prat Airport?

    Currently, January is the cheapest month in which you can book a flight from Kalispell to Barcelona-El Prat Airport (average of $523). Flying from Kalispell to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,059). 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 Barcelona-El Prat Airport?

Book flights to Barcelona-El Prat Airport if you plan to visit one of these locations
Calella
Roses
Castelldefels
L'Hospitalet de Llobregat
Cadaques
El Prat de Llobregat
Badalona
Pineda de Mar
Santa Susanna

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Kalispell to Barcelona-El Prat

See prices for flight routes from nearby airports that may be better suited for you.
Billings to Barcelona-El Prat flights
Bozeman to Barcelona-El Prat flights

Top 2 airlines flying from Kalispell to Barcelona-El Prat

Discover the top 2 airlines that operate flights from Kalispell to Barcelona-El Prat. 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$929FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,405Average$1,405FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.