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$479+ Cheap flights from Milwaukee (MKE) to Barcelona

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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — BCN
Mar 9 — Mar 161
Sun 3/9
Sun 3/16
1 adult, Economy
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Cheap flight deals from Milwaukee to Barcelona

Discover tips and strategies to find the most affordable flight options for your journey from Milwaukee (MKE) to Barcelona (S37). 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 March 4, 2025.

Round-trip from

$741
(Mytrip)

One-way from

$479
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$906
From Milwaukee-Mitchell to Barcelona
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One-way flight from Milwaukee-Mitchell to Barcelona
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Highest demand for flights based on searches. 22% potential increase in price ($291 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Milwaukee to Barcelona

Cheapest flights from Milwaukee to Barcelona
Explore the most affordable flight options available from Milwaukee to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 4, 2025.

This Mytrip deal was found by Cheapflights users on 3/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/310:15 amMKE - BCN
3 stops32h 20mMultiple Airlines
Wed 4/99:15 amBCN - MKE
3 stops18h 22mMultiple Airlines
Deal found 3/3$741
This United Airlines deal was found by Cheapflights users on 3/2. 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.
Thu 4/310:15 amMKE - BCN
2 stops15h 05mUnited Airlines
Wed 4/91:15 pmBCN - MKE
2 stops32h 53mUnited Airlines
Deal found 3/2$753
This oojo deal was found by Cheapflights users on 3/3. 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.
Thu 4/311:35 amMKE - BCN
1 stop15h 55mBritish Airways
Wed 4/910:45 amBCN - MKE
1 stop15h 59mBritish Airways
Deal found 3/3$764
This Mytrip deal was found by Cheapflights users on 3/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/155:30 pmMKE - BCN
2 stops31h 20mAir Canada
Wed 4/301:15 pmBCN - MKE
2 stops34h 57mAir Canada
Deal found 3/4$787
This American Airlines deal was found by Cheapflights users on 3/2. 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.
Thu 4/1711:19 amMKE - BCN
1 stop15h 51mAmerican Airlines
Thu 4/2412:50 pmBCN - MKE
2 stops15h 25mAmerican Airlines
Deal found 3/2$863
This Delta deal was found by Cheapflights users on 3/3. 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.
Wed 5/142:59 pmMKE - BCN
1 stop11h 21mDelta
Wed 5/219:00 amBCN - MKE
1 stop17h 46mDelta
Deal found 3/3$1,002
This KLM deal was found by Cheapflights users on 3/4. 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 3/207:00 amMKE - BCN
1 stop18h 00mKLM
Thu 3/279:45 amBCN - MKE
1 stop17h 50mKLM
Deal found 3/4$1,212
This Ovago deal was found by Cheapflights users on 3/3. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1410:05 amMKE - BCN
2 stops17h 15mAer Lingus
Wed 5/2111:00 amBCN - MKE
2 stops17h 34mAer Lingus
Deal found 3/3$1,364

Find flights from Milwaukee to Barcelona within your budget

Customize your flight search to find flights from Milwaukee to Barcelona 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 March 4, 2025.

Fly from

Milwaukee

Fly to

Barcelona

Route

Depart

Return

Price

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Thu 4/3

10:15 am-1:35 am

3 stops32h 20m

Barcelona-El Prat

Wed 4/9

9:15 am-8:37 pm

3 stops18h 22m

$741

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Thu 4/3

10:15 am-8:20 am

2 stops15h 05m

Barcelona-El Prat

Wed 4/9

1:15 pm-3:08 pm

2 stops32h 53m

$753

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Thu 4/3

11:35 am-10:30 am

1 stop15h 55m

Barcelona-El Prat

Wed 4/9

10:45 am-7:44 pm

1 stop15h 59m

$764

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Tue 4/15

5:30 pm-7:50 am

2 stops31h 20m

Barcelona-El Prat

Wed 4/30

1:15 pm-5:12 pm

2 stops34h 57m

$787

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Thu 4/17

11:19 am-10:10 am

1 stop15h 51m

Barcelona-El Prat

Thu 4/24

12:50 pm-9:15 pm

2 stops15h 25m

$863

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Wed 5/14

2:59 pm-9:20 am

1 stop11h 21m

Barcelona-El Prat

Wed 5/21

9:00 am-7:46 pm

1 stop17h 46m

$1,002

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Thu 3/20

7:00 am-7:00 am

1 stop18h 00m

Barcelona-El Prat

Thu 3/27

9:45 am-9:35 pm

1 stop17h 50m

$1,212

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Wed 5/14

10:05 am-10:20 am

2 stops17h 15m

Barcelona-El Prat

Wed 5/21

11:00 am-9:34 pm

2 stops17h 34m

$1,364

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Sat 5/3

5:06 pm-10:15 am

2 stops58h 09m

$479

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 4/14

12:30 pm-9:20 am

1 stop13h 50m

$608

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

Showing 1-10 of 14 results
1
2

Best time to book a flight from Milwaukee to Barcelona

Have a flexible travel schedule? Discover the best time to fly to Barcelona 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.

Travel insights for flights from Milwaukee to Barcelona

Get recent, data-driven insights about flights from Milwaukee to Barcelona including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Milwaukee to Barcelona?

Currently, January is the cheapest month in which you can book a flight from Milwaukee to Barcelona (average of $523). Flying from Milwaukee to Barcelona in June is currently the most expensive (average of $1,091). 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. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 4, 2025.

When flying from Milwaukee to Barcelona, 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 by month

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

In terms of precipitation, rainfall in Barcelona 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 when rainfall is around 0.8 in.

Temperature in Barcelona by month

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

If weather is an important factor for your trip to Barcelona, 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

Get insights into the airlines that provide service to Barcelona. 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. Reviews last updated March 4, 2025.
Delta
8.0
Very good
8,061 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

8.0

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
8,061 reviews
Delta
8.0
Very good
8,061 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

8.0

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
1,321 reviews
Delta
8.0
Very good
8,061 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

8.0

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
8,678 reviews
Delta
8.0
Very good
8,061 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

8.0

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
8,061 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

8.0

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.

WestJet
7.2
Good
2,788 reviews
Delta
8.0
Very good
8,061 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

8.0

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. 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?

    If you book a flight to Barcelona from Milwaukee, you will be flying from Milwaukee-Mitchell, which is the city’s only airport. Milwaukee-Mitchell (MKE) is located 6.4 mi from the center of Milwaukee. There are 0 flights from Milwaukee-Mitchell to Barcelona per day from 4 different airlines.

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

    Currently priced at $753, United Airlines will fly you from Milwaukee to Barcelona 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 $764 and $787, respectively. United Airlines is currently priced 24% below the average price you’ll pay for this route.

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

    To fly one-way, consider booking your trip with KLM, which is currently one of the cheapest options available, starting at $608. British Airways flights start at $619 while deals on Air Canada start at $674 one-way.

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

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

  • How can I find direct flights from Milwaukee to Barcelona?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Milwaukee to Barcelona.

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

    Yes. Cheapflights offers flight deals from Milwaukee to Barcelona 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?

    Currently, January is the cheapest month in which you can book a flight from Milwaukee to Barcelona (average of $523). Flying from Milwaukee to Barcelona in June is currently the most expensive (average of $1,091). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Milwaukee to Barcelona

Discover the top 4 airlines that operate flights from Milwaukee to Barcelona. 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 March 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$570Average$906FlexibilityNo cancel feeOn-time69%
DeltaCheapest$619Average$837FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$621Average$1,172FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$631Average$871FlexibilityNo cancel feeOn-time70%
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