$434 Cheap Flights from Milwaukee (MKE) to Barcelona (BCN)

View $434 flight on Sat, Feb 7, 2026Opens in a new window

Popular airlines from General Mitchell Intl. Airport (MKE) to Barcelona El Prat Airport (BCN)

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Cheap Flights from Milwaukee to Barcelona (MKE-BCN)

Prices were available within the past 7 days and start at $434 for one-way flights and $510 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Thu, Nov 13 - Thu, Nov 20
MKE
Milwaukee
BCN
Barcelona
$510 Roundtrip, found 2 days ago
$510
Roundtrip
found 2 days ago
Select Air Canada flight, departing Thu, Nov 13 from Milwaukee to Barcelona, returning Thu, Nov 20, priced at $510 found 2 days ago
Lufthansa
Thu, Nov 13 - Thu, Nov 20
MKE
Milwaukee
BCN
Barcelona
$517 Roundtrip, found 2 days ago
$517
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Thu, Nov 13 from Milwaukee to Barcelona, returning Thu, Nov 20, priced at $517 found 2 days ago
Lufthansa
Thu, Jan 29 - Thu, Feb 5
MKE
Milwaukee
BCN
Barcelona
$517 Roundtrip, just found
$517
Roundtrip
just found
Select Lufthansa flight, departing Thu, Jan 29 from Milwaukee to Barcelona, returning Thu, Feb 5, priced at $517 just found
Lufthansa
Wed, Feb 18 - Tue, Feb 24
MKE
Milwaukee
BCN
Barcelona
$518 Roundtrip, found 5 days ago
$518
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Wed, Feb 18 from Milwaukee to Barcelona, returning Tue, Feb 24, priced at $518 found 5 days ago
Air Canada
Tue, Jan 13 - Thu, Jan 22
MKE
Milwaukee
BCN
Barcelona
$521 Roundtrip, found 4 days ago
$521
Roundtrip
found 4 days ago
Select Air Canada flight, departing Tue, Jan 13 from Milwaukee to Barcelona, returning Thu, Jan 22, priced at $521 found 4 days ago
Air Canada
Tue, Jan 13 - Thu, Jan 22
MKE
Milwaukee
BCN
Barcelona
$526 Roundtrip, found 4 days ago
$526
Roundtrip
found 4 days ago
Select Air Canada flight, departing Tue, Jan 13 from Milwaukee to Barcelona, returning Thu, Jan 22, priced at $526 found 4 days ago
Lufthansa
Thu, Dec 4 - Thu, Dec 11
MKE
Milwaukee
BCN
Barcelona
$530 Roundtrip, found 2 days ago
$530
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Thu, Dec 4 from Milwaukee to Barcelona, returning Thu, Dec 11, priced at $530 found 2 days ago
Delta
Tue, Jan 13 - Sat, Jan 24
MKE
Milwaukee
BCN
Barcelona
$533 Roundtrip, found 10 hours ago
$533
Roundtrip
found 10 hours ago
Select Delta flight, departing Tue, Jan 13 from Milwaukee to Barcelona, returning Sat, Jan 24, priced at $533 found 10 hours ago
Virgin Atlantic
Tue, Jan 13 - Wed, Jan 21
MKE
Milwaukee
BCN
Barcelona
$533 Roundtrip, found 10 hours ago
$533
Roundtrip
found 10 hours ago
Select Virgin Atlantic flight, departing Tue, Jan 13 from Milwaukee to Barcelona, returning Wed, Jan 21, priced at $533 found 10 hours ago
United
Wed, Nov 12 - Mon, Nov 17
MKE
Milwaukee
BCN
Barcelona
$533 Roundtrip, found 2 days ago
$533
Roundtrip
found 2 days ago
Select United flight, departing Wed, Nov 12 from Milwaukee to Barcelona, returning Mon, Nov 17, priced at $533 found 2 days ago

Find the cheapest month to fly from Milwaukee (MKE) to Barcelona (BCN)

November is typically the cheapest month to fly

From $503 - $1,375 per traveler.

Alternative airports near Barcelona

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Barcelona Intl. BCN. Cheapest and Closest option available. Average driving time to city center is 18 minutes. Flights from $1,255
BCN
Barcelona Intl.
CheapestClosest
Average driving time to city center18 min
Flights from $1,255

Frequently asked questions

How much does a flight from General Mitchell Intl. Airport (MKE) to Barcelona Intl. Airport (BCN) cost?
Snag a cheap one-way flight from $434 or cheap return flight from $510 from General Mitchell Intl. Airport (MKE) to Barcelona Intl. Airport (BCN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from General Mitchell Intl. Airport (MKE) to Barcelona Intl. Airport (BCN)?
The cheapest month to fly from MKE to BCN is November, when there's less demand. Off-peak months are typically when airlines offer better prices between these airports.
What is the cheapest airline that flies from General Mitchell Intl. Airport (MKE) to Barcelona Intl. Airport (BCN)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest MKE to BCN flight.
How many flights per day from General Mitchell Intl. Airport (MKE) to Barcelona Intl. Airport (BCN)?
Direct flights from General Mitchell Intl. Airport (MKE) to Barcelona Intl. Airport (BCN) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from MKE to BCN?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary depending on a range of factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from General Mitchell Intl. Airport (MKE) to Barcelona Intl. Airport (BCN)?
Choose a flight from General Mitchell Intl. Airport (MKE) to Barcelona Intl. Airport (BCN) that leaves before 3 PM to reduce the risk of cancellations. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from General Mitchell Intl. Airport (MKE) to Barcelona Intl. Airport (BCN) last-minute?
Holding off until right before your break to book a ticket from MKE to BCN generally means paying more. While you may come across some last-minute deals, there's no guarantee. Allow some flexibility in your schedule to maximize your chances of snagging a bargain.
Is it cheaper to book a MKE to BCN flight and hotel package?
You'll typically save money by securing a MKE to BCN flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. Once you've chosen your preferred accommodations and flights, you can add extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from General Mitchell Intl. Airport (MKE) to Barcelona Intl. Airport (BCN)?
In most instances, you're able to reschedule or cancel your MKE to BCN flight. However, there may be additional fees, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you need more details, head to our Customer Service portal.

Travel information

Origin airport
General Mitchell Intl.
Destination airport
Barcelona Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Delta, KLM, Lufthansa, Scandinavian Airlines, United, Virgin Atlantic
Roundtrip price
$510
Distance
4370 mi

Book with confidence

Milwaukee to Barcelona Flights

The cheapest times to fly from Milwaukee to Barcelona

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Milwaukee to Barcelona are during the month of November. You can find some of the cheapest flights from Milwaukee to Barcelona with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Milwaukee to Barcelona

Sunday is one of the best days to book for cheap flights from Milwaukee to Barcelona: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Milwaukee to Barcelona

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Milwaukee to Barcelona in 2025. You can also book with separate airlines for your outbound and return journeys, from $434 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Milwaukee to Barcelona flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Milwaukee to Barcelona airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Milwaukee to Barcelona Flights

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*Available to One Key members.