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Barcelona-El Prat

$374+ 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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — BCN
Apr 27 — May 41
Sun 4/27
Sun 5/4
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 April 22, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$659
(United Airlines)

One-way from

$374
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$798
Provider with most accurate pricing for Milwaukee-Mitchell-Barcelona-El Prat flight deals.
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Provider most trusted by Cheapflights users for Milwaukee-Mitchell-Barcelona-El Prat flights.
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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. 25% potential increase in price ($334 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 22, 2025.

This United Airlines deal was found by Cheapflights users on 4/22. 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 stops29h 03mUnited Airlines
Deal found 4/22$659
This American Airlines deal was found by Cheapflights users on 4/22. 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 9/26:27 amMKE - BCN
1 stop21h 03mAmerican Airlines
Tue 9/2310:45 amBCN - MKE
1 stop13h 28mAmerican Airlines
Deal found 4/22$682
This Air Canada deal was found by Cheapflights users on 4/22. 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 9/27:00 amMKE - BCN
2 stops17h 50mMultiple Airlines
Tue 9/2310:20 amBCN - MKE
3 stops18h 36mMultiple Airlines
Deal found 4/22$697
This British Airways deal was found by Cheapflights users on 4/22. 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.
Sun 8/242:50 pmMKE - BCN
1 stop12h 40mBritish Airways
Sun 8/3110:45 amBCN - MKE
1 stop13h 28mBritish Airways
Deal found 4/22$802
This Air Canada deal was found by Cheapflights users on 4/22. 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 4/22$829
This Delta deal was found by Cheapflights users on 4/21. 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 7/217:00 amMKE - BCN
1 stop16h 00mDelta
Sat 8/211:35 amBCN - MKE
1 stop18h 50mDelta
Deal found 4/21$1,122
This Virgin Atlantic deal was found by Cheapflights users on 4/21. 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.
Thu 6/511:28 amMKE - BCN
1 stop12h 47mVirgin Atlantic
Thu 6/1911:35 amBCN - MKE
1 stop19h 22mVirgin Atlantic
Deal found 4/21$1,232
This KLM deal was found by Cheapflights users on 4/21. 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.
Fri 6/67:04 pmMKE - BCN
2 stops14h 21mKLM
Thu 6/199:20 amBCN - MKE
2 stops15h 41mKLM
Deal found 4/21$1,277
This Avianca deal was found by Cheapflights users on 4/21. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/311:00 amMKE - BCN
2 stops39h 00mAvianca
Fri 6/202:00 pmBCN - MKE
2 stops33h 40mAvianca
Deal found 4/21$1,810
This Lufthansa deal was found by Cheapflights users on 4/22. 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.
Wed 4/235:30 pmMKE - BCN
2 stops17h 25mLufthansa
Wed 5/712:00 pmBCN - MKE
2 stops15h 37mLufthansa
Deal found 4/22$2,404

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 April 22, 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-10:13 am

2 stops29h 03m

$659

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Tue 9/2

6:27 am-10:30 am

1 stop21h 03m

Barcelona-El Prat

Tue 9/23

10:45 am-5:13 pm

1 stop13h 28m

$682

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

$697

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

$829

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 7/21

7:00 am-6:00 am

1 stop16h 00m

Barcelona-El Prat

Sat 8/2

11:35 am-11:25 pm

1 stop18h 50m

$1,122

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 6/23

2:50 pm-12:05 pm

2 stops14h 15m

Barcelona-El Prat

Mon 7/7

9:10 pm-2:20 pm

2 stops24h 10m

$1,188

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Thu 6/5

11:28 am-7:15 am

1 stop12h 47m

Barcelona-El Prat

Thu 6/19

11:35 am-11:57 pm

1 stop19h 22m

$1,232

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 6/6

7:04 pm-4:25 pm

2 stops14h 21m

Barcelona-El Prat

Thu 6/19

9:20 am-6:01 pm

2 stops15h 41m

$1,277

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Tue 6/3

11:00 am-9:00 am

2 stops39h 00m

Barcelona-El Prat

Fri 6/20

2:00 pm-4:40 pm

2 stops33h 40m

$1,810

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Sat 7/5

7:14 pm-7:40 pm

2 stops41h 26m

$374

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 14 results
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Compare providers for flights from Milwaukee to Barcelona-El Prat

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Milwaukee to Barcelona-El Prat in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Milwaukee-Barcelona-El Prat Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Milwaukee-Barcelona-El Prat Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Milwaukee-Barcelona-El Prat Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Milwaukee-Barcelona-El Prat Airport flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Milwaukee-Barcelona-El Prat Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 $1,079). 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 April 22, 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 April 22, 2025.
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

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
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

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
1,331 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

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
8,684 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

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.
Virgin Atlantic
7.4
Good
642 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

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.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

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 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 $659, 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 American Airlines and British Airways - these airlines can fly you to your destination from $682 and $802, respectively. United Airlines is priced at 31% 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 American Airlines, which is currently one of the cheapest options available, starting at $853. Air Canada flights start at $860 while deals on Lufthansa start at $867 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 $1,079). 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
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Cadaques
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El Prat de Llobregat
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Tossa de Mar

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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 April 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$570Average$889FlexibilityNo cancel feeOn-time69%
DeltaCheapest$572Average$855FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$631Average$856FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$759Average$1,330FlexibilityNo cancel feeOn-time71%

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