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Barcelona-El Prat

$558+ Cheap flights from Milwaukee (MKE) to Barcelona-El Prat (BCN)

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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — BCN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Milwaukee to Barcelona-El Prat

Discover tips and strategies to find the most affordable flight options for your journey from Milwaukee (MKE) 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 June 12, 2025.

Round-trip from

$614
(United Airlines)

One-way from

$558
(Delta)

Popular in

June

Cheapest in

November

Average price

$1,375
From Milwaukee-Mitchell to Barcelona-El Prat
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One-way flight from Milwaukee-Mitchell to Barcelona-El Prat
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Highest demand for flights based on searches. 24% potential increase in price ($306 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Milwaukee to Barcelona-El Prat

Cheapest flights from Milwaukee to Barcelona-El Prat
Explore the most affordable flight options available from Milwaukee to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/10. 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 9/25:40 pmMKE - BCN
1 stop12h 35mUnited Airlines
Tue 9/2312:10 pmBCN - MKE
2 stops35h 46mUnited Airlines
Deal found 6/10$614
This British Airways deal was found by Cheapflights users on 6/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/24:56 pmMKE - BCN
1 stop10h 34mBritish Airways
Tue 9/2310:45 amBCN - MKE
1 stop14h 49mBritish Airways
Deal found 6/10$637
This Booking.com deal was found by Cheapflights users on 6/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/45:40 pmMKE - BCN
2 stops31h 10mMultiple Airlines
Sun 10/129:05 amBCN - MKE
2 stops44h 26mMultiple Airlines
Deal found 6/12$653
This Air Canada deal was found by Cheapflights users on 6/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/28:30 amMKE - BCN
3 stops16h 20mAir Canada
Tue 9/2310:20 amBCN - MKE
3 stops18h 36mAir Canada
Deal found 6/12$659
This KLM deal was found by Cheapflights users on 6/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2111:25 amMKE - BCN
1 stop12h 50mKLM
Fri 8/299:30 amBCN - MKE
1 stop15h 42mKLM
Deal found 6/10$752
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2112:15 pmMKE - BCN
1 stop14h 05mDelta
Fri 8/299:00 amBCN - MKE
2 stops21h 36mDelta
Deal found 6/11$757
This Lufthansa deal was found by Cheapflights users on 6/11. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/255:35 pmMKE - BCN
2 stops17h 00mLufthansa
Sun 11/301:55 pmBCN - MKE
2 stops15h 48mLufthansa
Deal found 6/11$791
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/309:58 amMKE - BCN
2 stops16h 07mAmerican Airlines
Sat 9/610:45 amBCN - MKE
1 stop14h 49mAmerican Airlines
Deal found 6/12$952
This Air France deal was found by Cheapflights users on 6/12. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/305:30 pmMKE - BCN
2 stops14h 20mAir France
Tue 7/1511:35 amBCN - MKE
1 stop15h 00mAir France
Deal found 6/12$1,076
This Virgin Atlantic deal was found by Cheapflights users on 6/12. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/3012:42 pmMKE - BCN
1 stop13h 38mVirgin Atlantic
Sat 7/129:30 amBCN - MKE
1 stop21h 29mVirgin Atlantic
Deal found 6/12$1,127
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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.
Mon 6/232:50 pmMKE - BCN
2 stops24h 35mAer Lingus
Mon 7/711:05 pmBCN - MKE
2 stops29h 22mAer Lingus
Deal found 6/10$1,544

Cheapflights Fare Finder

Customize your flight search to find flights from Milwaukee 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 June 12, 2025.
Use the filters below to find and compare flights from Milwaukee to Barcelona-El Prat Airport that are best for you.

Fly from

Milwaukee

Fly to

Barcelona-El Prat

Route

Depart

Return

Price

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Tue 9/2

5:40 pm-1:15 pm

1 stop12h 35m

Barcelona-El Prat

Tue 9/23

12:10 pm-4:56 pm

2 stops35h 46m

$614

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Tue 9/2

4:56 pm-10:30 am

1 stop10h 34m

Barcelona-El Prat

Tue 9/23

10:45 am-6:34 pm

1 stop14h 49m

$637

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Tue 9/2

8:30 am-7:50 am

3 stops16h 20m

Barcelona-El Prat

Tue 9/23

10:20 am-9:56 pm

3 stops18h 36m

$659

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Thu 8/21

11:25 am-7:15 am

1 stop12h 50m

Barcelona-El Prat

Fri 8/29

9:30 am-6:12 pm

1 stop15h 42m

$752

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Thu 8/21

12:15 pm-9:20 am

1 stop14h 05m

Barcelona-El Prat

Fri 8/29

9:00 am-11:36 pm

2 stops21h 36m

$757

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Tue 9/2

7:00 am-7:50 am

2 stops17h 50m

Barcelona-El Prat

Tue 9/23

10:20 am-9:56 pm

3 stops18h 36m

$852

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Sat 8/30

9:58 am-9:05 am

2 stops16h 07m

Barcelona-El Prat

Sat 9/6

12:50 pm-11:00 pm

2 stops17h 10m

$952

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Thu 7/3

5:31 pm-5:55 pm

2 stops17h 24m

Barcelona-El Prat

Fri 7/11

8:00 am-11:34 pm

2 stops22h 34m

$998

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 6/30

5:30 pm-2:50 pm

2 stops14h 20m

Barcelona-El Prat

Tue 7/15

11:35 am-7:35 pm

1 stop15h 00m

$1,076

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 6/30

12:42 pm-9:20 am

1 stop13h 38m

Barcelona-El Prat

Sat 7/12

9:30 am-11:59 pm

1 stop21h 29m

$1,127

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 15 results
1
2

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

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

What is the cheapest month to book a flight from Milwaukee to Barcelona-El Prat Airport?

Currently, January is the cheapest month in which you can book a flight from Milwaukee to Barcelona-El Prat Airport (average of $523). Flying from Milwaukee to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,062). 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.

What is the cheapest time of day to fly from MKE to BCN?

Find hourly flight availability from Milwaukee to Barcelona-El Prat. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

When flying from Milwaukee to Barcelona-El Prat Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 50% versus a flight in the afternoon.

Rainfall in Barcelona-El Prat by month

Plan your trip to Barcelona-El Prat by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Barcelona-El Prat Airport ranges from 0.8 - 3.6 inches per month. October is typically the wettest month, when rainfall can reach 3.6 in. July is typically the driest time to visit Barcelona-El Prat Airport when rainfall is around 0.8 in.

Temperature in Barcelona-El Prat by month

Plan your trip to Barcelona-El Prat by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Barcelona-El Prat Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 June 12, 2025.
See what other customers who have flown with Delta, KLM and Air France from Milwaukee to Barcelona have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
652 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Milwaukee 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 Milwaukee to Barcelona-El Prat?

    For a flight from Milwaukee to Barcelona-El Prat, you will be flying from Milwaukee-Mitchell. Milwaukee-Mitchell (MKE) is just 6.4 mi from the center of the city. Milwaukee-Mitchell is the only Milwaukee airport and it handles 0 outbound flights to Barcelona-El Prat per day. 4 airlines have flights to Barcelona-El Prat from Milwaukee-Mitchell on a regular basis.

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

    Currently priced at $614, United Airlines will fly you from Milwaukee to Barcelona-El Prat Airport and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and Air Canada - these airlines can fly you to your destination from $637 and $659, respectively. United Airlines is priced at 35% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Milwaukee to Barcelona-El Prat Airport one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $558. Air Canada flights start at $740 while deals on WestJet start at $896 one-way.

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

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

  • How can I find direct flights from Milwaukee 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 Milwaukee to Barcelona-El Prat.

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

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

    Currently, January is the cheapest month in which you can book a flight from Milwaukee to Barcelona-El Prat Airport (average of $523). Flying from Milwaukee to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,062). 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 Milwaukee?

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

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Top 4 airlines flying from Milwaukee to Barcelona-El Prat

Discover the top 4 airlines that operate flights from Milwaukee 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$570Average$888FlexibilityNo cancel feeOn-time69%
DeltaCheapest$572Average$855FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$689Average$949FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$759Average$1,198FlexibilityNo cancel feeOn-time71%

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