Barcelona-El Prat

$411+ 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — BCN
May 30 — Jun 61
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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 April 30, 2026.

This United Airlines deal was found by Cheapflights users on 4/27. 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 9/2710:45 am
MKE
-
BCN
1 stop19h 30m
United Airlines
Wed 10/73:15 pm
BCN
-
MKE
1 stop12h 30m
United Airlines
Deal found 4/27$773
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Mon 9/2810:45 am
MKE
-
BCN
2 stops14h 35m
United Airlines
Wed 10/71:50 pm
BCN
-
MKE
2 stops15h 34m
United Airlines
Deal found 4/27$782
This United Airlines deal was found by Cheapflights users on 4/30. 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 9/2810:45 am
MKE
-
BCN
1 stop19h 30m
United Airlines
Tue 10/612:15 pm
BCN
-
MKE
2 stops32h 28m
United Airlines
Deal found 4/30$783
This United Airlines deal was found by Cheapflights users on 4/27. 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 9/272:50 pm
MKE
-
BCN
2 stops16h 35m
United Airlines
Tue 10/66:40 am
BCN
-
MKE
2 stops20h 11m
United Airlines
Deal found 4/27$785
This American Airlines deal was found by Cheapflights users on 4/30. 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 9/2810:21 am
MKE
-
BCN
1 stop14h 14m
American Airlines
Tue 10/612:50 pm
BCN
-
MKE
1 stop17h 57m
American Airlines
Deal found 4/30$788
This United Airlines deal was found by Cheapflights users on 4/28. 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 12/66:10 am
MKE
-
BCN
1 stop19h 50m
United Airlines
Mon 12/211:50 pm
BCN
-
MKE
2 stops30h 48m
United Airlines
Deal found 4/28$798
This FlightHub deal was found by Cheapflights users on 4/29. 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.
Tue 9/297:00 pm
MKE
-
BCN
2 stops15h 55m
Lufthansa
Tue 10/612:40 pm
BCN
-
MKE
2 stops16h 44m
Lufthansa
Deal found 4/29$802
This British Airways deal was found by Cheapflights users on 4/29. 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.
Mon 9/286:41 pm
MKE
-
BCN
2 stops15h 54m
British Airways
Tue 10/610:15 am
BCN
-
MKE
2 stops16h 25m
British Airways
Deal found 4/29$803
This United Airlines deal was found by Cheapflights users on 4/25. 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 11/276:00 am
MKE
-
BCN
2 stops20h 35m
United Airlines
Fri 12/111:35 pm
BCN
-
MKE
2 stops30h 52m
United Airlines
Deal found 4/25$807
This United Airlines deal was found by Cheapflights users on 4/29. 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 9/305:10 am
MKE
-
BCN
1 stop25h 05m
United Airlines
Tue 10/63:15 pm
BCN
-
MKE
1 stop15h 54m
United Airlines
Deal found 4/29$809

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 April 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$773
(United Airlines)

One-way from

$411
(oojo)

Popular in

June

Cheapest in

November

Average price

$866
Provider with most accurate pricing for Milwaukee-Mitchell-Barcelona-El Prat flight deals.
Provider most trusted by Cheapflights users for Milwaukee-Mitchell-Barcelona-El Prat flights.
From Milwaukee-Mitchell to Barcelona-El Prat
One-way flight from Milwaukee-Mitchell to Barcelona-El Prat
Highest demand for flights based on searches. 27% potential increase in price ($339 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).
Average for round-trip flights in April 2026

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 30, 2026.
Use the filters below to find and compare flights from Milwaukee to Barcelona-El Prat Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 9/28

7:00 pm-1:15 pm

1 stop11h 15m

Barcelona-El Prat

Wed 10/7

1:50 pm-10:24 pm

2 stops15h 34m

$777

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Tue 9/29

10:45 am-1:15 pm

1 stop19h 30m

Barcelona-El Prat

Tue 10/6

1:50 pm-10:24 pm

2 stops15h 34m

$777

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 9/28

10:45 am-1:15 pm

1 stop19h 30m

Barcelona-El Prat

Tue 10/6

12:15 pm-1:43 pm

2 stops32h 28m

$783

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 9/28

10:21 am-7:35 am

1 stop14h 14m

Barcelona-El Prat

Tue 10/6

12:50 pm-11:47 pm

1 stop17h 57m

$788

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 9/28

6:41 pm-4:25 pm

2 stops14h 44m

Barcelona-El Prat

Tue 10/6

10:15 am-7:40 pm

2 stops16h 25m

$803

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Sat 9/26

5:21 pm-1:15 pm

1 stop12h 54m

Barcelona-El Prat

Tue 10/6

3:15 pm-12:09 am

1 stop15h 54m

$823

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Tue 9/22

4:52 pm-10:35 am

1 stop10h 43m

Barcelona-El Prat

Sun 9/27

7:50 am-5:33 pm

2 stops16h 43m

$855

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Thu 10/8

8:16 pm-7:35 pm

2 stops16h 19m

Barcelona-El Prat

Sun 10/18

9:20 pm-7:40 pm

2 stops29h 20m

$919

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 7/31

4:14 pm-12:50 pm

1 stop13h 36m

Barcelona-El Prat

Mon 8/10

6:20 am-6:02 pm

2 stops18h 42m

$1,072
Cheapest one-way

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Thu 8/13

1:17 pm-10:35 am

1 stop14h 18m

$411

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Milwaukee-Barcelona-El Prat Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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

How much does it cost to fly round-trip from Milwaukee to Barcelona-El Prat Airport?

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 30, 2026.
Read through reviews of airlines operating flights from Milwaukee to Barcelona-El Prat Airport, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Food

7.2

Entertainment

7.8

Crew

8.5

Comfort

7.9

Overall

7.9

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.

Boarding

8.1

Food

7.2

Entertainment

7.8

Crew

8.5

Comfort

7.9

Overall

7.9

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.

Boarding

8.1

Food

7.2

Entertainment

7.8

Crew

8.5

Comfort

7.9

Overall

7.9

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.

Boarding

8.1

Food

7.2

Entertainment

7.8

Crew

8.5

Comfort

7.9

Overall

7.9

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.

Boarding

8.1

Food

7.2

Entertainment

7.8

Crew

8.5

Comfort

7.9

Overall

7.9

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 19h 30m. The distance from Milwaukee to Barcelona-El Prat Airport is about 4368 mi.

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

    Currently priced at $457, British Airways will fly you from Milwaukee to Barcelona-El Prat Airport and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and American Airlines - these airlines can fly you to your destination from $499 and $609, respectively. British Airways is priced at 49% 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.

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
Roses
Calella
L'Hospitalet de Llobregat
Cadaques
El Prat de Llobregat
Badalona
Pineda de Mar

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Alternative routes for Milwaukee to Barcelona-El Prat

See prices for flight routes from nearby airports that may be better suited for you.

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 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$457Average$698FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$499Average$614FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$609Average$775FlexibilityNo cancel feeOn-time71%
DeltaCheapest$689Average$989FlexibilityNo cancel feeOn-timeN/A

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