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Barcelona-El Prat

$340+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — BCN
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap 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 December 15, 2025.

This oojo deal was found by Cheapflights users on 12/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/174:23 pmMKE - BCN
2 stops23h 07mBritish Airways
Tue 12/236:40 amBCN - MKE
2 stops23h 20mBritish Airways
Deal found 12/14$925
This Finnair deal was found by Cheapflights users on 12/14. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1710:32 amMKE - BCN
1 stop15h 28mMultiple Airlines
Tue 12/236:35 pmBCN - MKE
2 stops30h 11mMultiple Airlines
Deal found 12/14$1,062
This United Airlines deal was found by Cheapflights users on 12/13. 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 12/145:00 amMKE - BCN
2 stops21h 00mUnited Airlines
Sat 12/201:55 pmBCN - MKE
2 stops38h 16mUnited Airlines
Deal found 12/13$1,281
This Finnair deal was found by Cheapflights users on 12/13. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1410:15 amMKE - BCN
1 stop15h 45mMultiple Airlines
Sat 12/206:35 pmBCN - MKE
2 stops30h 07mMultiple Airlines
Deal found 12/13$1,402
This Air Canada deal was found by Cheapflights users on 12/13. 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.
Wed 12/1710:54 amMKE - BCN
3 stops15h 41mAir Canada
Tue 12/239:55 amBCN - MKE
3 stops19h 18mAir Canada
Deal found 12/13$2,334
This FlightHub deal was found by Cheapflights users on 12/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1412:04 pmMKE - BCN
3 stops18h 41mAir Canada
Sat 12/209:55 amBCN - MKE
3 stops19h 18mAir Canada
Deal found 12/13$3,162

Find 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 December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$453
(Flighttix)

One-way from

$340
(oojo)

Popular in

June

Cheapest in

November

Average price

$1,292
Provider with most accurate pricing for Milwaukee-Mitchell-Barcelona-El Prat flight deals.
Search Deals
Provider most trusted by Cheapflights users for Milwaukee-Mitchell-Barcelona-El Prat flights.
Search Deals
From Milwaukee-Mitchell to Barcelona-El Prat
Search Deals
One-way flight from Milwaukee-Mitchell to Barcelona-El Prat
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($294 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 15, 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 1/20

11:29 am-9:00 am

1 stop14h 31m

Barcelona-El Prat

Sun 1/25

11:55 am-9:59 pm

2 stops17h 04m

$421

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Tue 1/20

3:20 pm-9:35 am

2 stops35h 15m

Barcelona-El Prat

Mon 1/26

1:35 pm-3:43 pm

2 stops33h 08m

$468

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Tue 1/20

11:29 am-9:00 am

1 stop14h 31m

Barcelona-El Prat

Mon 1/26

6:50 am-9:59 pm

2 stops22h 09m

$469

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Tue 3/3

6:00 am-8:00 am

1 stop19h 00m

Barcelona-El Prat

Tue 3/10

9:15 am-9:39 pm

1 stop18h 24m

$474

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 2/6

6:40 am-8:50 am

1 stop19h 10m

Barcelona-El Prat

Mon 2/16

10:40 am-10:04 pm

1 stop18h 24m

$475

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Tue 2/3

8:33 am-9:00 am

2 stops17h 27m

Barcelona-El Prat

Sat 2/14

11:00 am-8:55 pm

2 stops16h 55m

$475

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Sun 1/11

10:47 am-9:00 am

1 stop15h 13m

Barcelona-El Prat

Sun 1/25

12:30 pm-8:24 pm

1 stop14h 54m

$475

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Wed 2/4

11:21 am-8:00 am

1 stop13h 39m

Barcelona-El Prat

Tue 2/17

10:15 am-9:51 pm

1 stop18h 36m

$476

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Tue 2/3

8:33 am-9:00 am

2 stops17h 27m

Barcelona-El Prat

Fri 2/13

11:00 am-10:28 pm

2 stops18h 28m

$476

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 2/6

8:33 am-9:35 am

2 stops18h 02m

Barcelona-El Prat

Sat 2/14

11:00 am-10:28 pm

2 stops18h 28m

$479

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 17 results
1
2

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Milwaukee-Barcelona-El Prat Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, August is the cheapest month in which you can book a flight from Milwaukee to Barcelona-El Prat Airport (average of $369). Flying from Milwaukee to Barcelona-El Prat Airport in June is currently the most expensive (average of $889). 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 December 15, 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 49% versus a flight in the afternoon.

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 December 15, 2025.
Read through reviews of airlines operating flights from Milwaukee to Barcelona-El Prat Airport, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,006 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,006 reviews
Delta
7.9
Good
8,006 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,092 reviews
Delta
7.9
Good
8,006 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,051 reviews
Delta
7.9
Good
8,006 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,574 reviews
Delta
7.9
Good
8,006 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.

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

    Departing from Milwaukee to Barcelona-El Prat Airport will take you 14h 31m. The distance from Milwaukee to Barcelona-El Prat Airport is about 4368 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Currently priced at $508, 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 Delta - these airlines can fly you to your destination from $609 and $676, respectively. United Airlines is priced at 48% lower than the current average price of a flight leaving 3 months from now.

  • 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, August is the cheapest month in which you can book a flight from Milwaukee to Barcelona-El Prat Airport (average of $369). Flying from Milwaukee to Barcelona-El Prat Airport in June is currently the most expensive (average of $889). 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
L'Hospitalet de Llobregat
Cadaques
El Prat de Llobregat
Badalona
Pineda de Mar

Browse thousands of different options on Cheapflights for your next trip

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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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$508Average$790FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$609Average$929FlexibilityNo cancel feeOn-time71%
DeltaCheapest$676Average$866FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$689Average$871FlexibilityNo cancel feeOn-time70%

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