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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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — BCN
Aug 28 — Sep 41
Fri 8/28
Fri 9/4
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 July 29, 2026.

This United Airlines deal was found by Cheapflights users on 7/24. 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 10/246:38 pm
MKE
-
BCN
1 stop31h 42m
United Airlines
Wed 10/283:10 pm
BCN
-
MKE
1 stop13h 05m
United Airlines
Deal found 7/24$784
This United Airlines deal was found by Cheapflights users on 7/24. 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 10/246:38 pm
MKE
-
BCN
1 stop31h 42m
United Airlines
Fri 11/136:50 am
BCN
-
MKE
2 stops17h 48m
United Airlines
Deal found 7/24$786
This United Airlines deal was found by Cheapflights users on 7/27. 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 9/2010:30 am
MKE
-
BCN
2 stops14h 50m
United Airlines
Tue 10/611:15 am
BCN
-
MKE
2 stops18h 44m
United Airlines
Deal found 7/27$797
This Expedia deal was found by Cheapflights users on 7/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:14 pm
MKE
-
BCN
1 stop31h 41m
British Airways
Tue 10/1310:15 am
BCN
-
MKE
2 stops15h 21m
British Airways
Deal found 7/28$799
This American Airlines deal was found by Cheapflights users on 7/26. 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 9/288:14 pm
MKE
-
BCN
2 stops14h 21m
American Airlines
Tue 10/612:50 pm
BCN
-
MKE
1 stop17h 24m
American Airlines
Deal found 7/26$804
This Cheapflightsfares deal was found by Cheapflights users on 7/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:32 pm
MKE
-
BCN
2 stops20h 53m
Lufthansa
Tue 10/66:40 am
BCN
-
MKE
2 stops21h 45m
Lufthansa
Deal found 7/28$805
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Mon 9/286:32 pm
MKE
-
BCN
1 stop11h 43m
United Airlines
Tue 10/63:15 pm
BCN
-
MKE
1 stop13h 10m
United Airlines
Deal found 7/28$808
This Expedia deal was found by Cheapflights users on 7/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:47 pm
MKE
-
BCN
2 stops38h 28m
Lufthansa
Tue 10/138:00 am
BCN
-
MKE
2 stops22h 37m
Lufthansa
Deal found 7/28$809
This United Airlines deal was found by Cheapflights users on 7/24. 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 9/277:18 am
MKE
-
BCN
2 stops17h 42m
United Airlines
Wed 10/73:15 pm
BCN
-
MKE
1 stop22h 52m
United Airlines
Deal found 7/24$811
This United Airlines deal was found by Cheapflights users on 7/24. 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 9/278:30 am
MKE
-
BCN
2 stops16h 50m
United Airlines
Thu 10/811:15 am
BCN
-
MKE
2 stops14h 55m
United Airlines
Deal found 7/24$812
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Sat 10/36:38 pm
MKE
-
BCN
1 stop31h 22m
United Airlines
Tue 10/133:15 pm
BCN
-
MKE
1 stop22h 52m
United Airlines
Deal found 7/28$814

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 July 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$784
(United Airlines)

One-way from

$374
(United Airlines)

Popular in

May

Cheapest in

November

Average price

$1,326
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. 21% potential increase in price ($265 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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 July 29, 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

6:32 pm-1:15 pm

1 stop11h 43m

Barcelona-El Prat

Tue 10/6

3:15 pm-9:25 pm

1 stop13h 10m

$808

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Sat 10/3

6:47 pm-4:15 pm

2 stops38h 28m

Barcelona-El Prat

Tue 10/13

8:00 am-11:37 pm

2 stops22h 37m

$809

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Sun 9/27

7:18 am-8:20 am

2 stops18h 02m

Barcelona-El Prat

Tue 10/6

11:15 am-7:10 pm

2 stops14h 55m

$812

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Sat 10/3

6:38 pm-9:00 am

1 stop31h 22m

Barcelona-El Prat

Tue 10/13

3:15 pm-7:07 am

1 stop22h 52m

$814

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 1/11

6:10 am-8:20 am

1 stop19h 10m

Barcelona-El Prat

Sun 1/17

11:00 am-11:27 pm

1 stop19h 27m

$828

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 1/11

7:19 pm-5:55 pm

2 stops15h 36m

Barcelona-El Prat

Sun 1/17

12:00 pm-10:42 pm

2 stops17h 42m

$829

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 10/23

8:30 am-8:00 am

2 stops16h 30m

Barcelona-El Prat

Wed 10/28

3:10 pm-10:15 pm

1 stop13h 05m

$831

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Thu 10/8

12:05 pm-2:25 pm

2 stops19h 20m

Barcelona-El Prat

Sun 10/18

10:25 am-7:07 am

2 stops27h 42m

$918

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Thu 9/10

6:47 pm-8:00 am

2 stops30h 13m

Barcelona-El Prat

Thu 9/17

1:15 pm-2:33 pm

2 stops32h 18m

$947

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Thu 10/8

11:25 am-9:45 am

1 stop15h 20m

Barcelona-El Prat

Sun 10/18

12:50 pm-10:35 am

1 stop28h 45m

$992

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice 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?

Airfare is typical for this route at the moment.

Milwaukee to Barcelona-El Prat Airport flights typically cost between $775 and $979 in October.
The cheapest round-trip price found within the last 5 days was $784 on United Airlines (Oct 24-Oct 28).

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 July 29, 2026.
Read through reviews of airlines operating flights from Milwaukee to Barcelona-El Prat Airport, such as United Airlines,American Airlines, andBritish Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,050 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
10,050 reviews
United Airlines
7.4
Good
10,050 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
American Airlines
7.1
Good
11,840 reviews
United Airlines
7.4
Good
10,050 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
British Airways
6.7
Okay
8,129 reviews
United Airlines
7.4
Good
10,050 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

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. 3 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 11h 43m. 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 $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 $508 and $644, respectively. British Airways is priced at 53% 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

Browse thousands of different options on Cheapflights for your next trip

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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.
O'Hare Intl to Barcelona-El Prat flights
Minneapolis to Barcelona-El Prat flights

Top 3 airlines flying from Milwaukee to Barcelona-El Prat

Discover the top 3 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 July 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$457Average$698FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$508Average$1,370FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$644Average$845FlexibilityNo cancel feeOn-time71%

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