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Cheap flights from Milwaukee to Barcelona from $307

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Milwaukee to Barcelona departing on 1/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Milwaukee to Barcelona

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:00 am - 9:00 am
MKE
-
BCN
19h 00m2 stops
United Airlines Logo
1:35 pm - 2:05 pm
BCN
-
MKE
31h 30m2 stops
$469United Airlines
Fri, Feb 6 - Mon, Feb 16
United Airlines Logo
3:20 pm - 5:35 pm
MKE
-
BCN
19h 15m2 stops
United Airlines Logo
1:35 pm - 2:05 pm
BCN
-
MKE
31h 30m2 stops
$472United Airlines
Fri, Feb 6 - Mon, Feb 16
United Airlines Logo
2:32 pm - 2:15 pm
MKE
-
BCN
16h 43m2 stops
United Airlines Logo
1:35 pm - 3:43 pm
BCN
-
MKE
33h 08m2 stops
$473United Airlines
Fri, Jan 16 - Tue, Jan 20
Lufthansa Logo
1:25 pm - 5:35 pm
MKE
-
BCN
21h 10m2 stops
Lufthansa Logo
5:50 am - 5:43 pm
BCN
-
MKE
18h 53m2 stops
$476Lufthansa
Mon, Feb 16 - Sun, Mar 8
Lufthansa Logo
11:29 am - 9:00 am
MKE
-
BCN
14h 31m1 stop
Lufthansa Logo
6:50 am - 5:37 pm
BCN
-
MKE
17h 47m2 stops
$479Lufthansa
Wed, Feb 4 - Fri, Feb 13
British Airways Logo
2:46 pm - 4:30 pm
MKE
-
BCN
18h 44m2 stops
British Airways Logo
11:35 am - 10:59 pm
BCN
-
MKE
18h 24m2 stops
$482British Airways
Wed, Feb 4 - Fri, Feb 13
Multiple Airlines Logo
6:40 am - 7:05 am
MKE
-
BCN
17h 25m1 stop
Multiple Airlines Logo
10:40 am - 11:18 pm
BCN
-
MKE
18h 38m1 stop
$484Multiple Airlines
Mon, Feb 16 - Sun, Mar 8
Lufthansa Logo
10:59 am - 1:10 pm
MKE
-
BCN
19h 11m2 stops
Lufthansa Logo
5:50 am - 9:59 pm
BCN
-
MKE
23h 09m2 stops
$487Lufthansa
Sat, Jan 31 - Sun, Feb 8
Multiple Airlines Logo
11:52 am - 8:50 am
MKE
-
BCN
13h 58m1 stop
Multiple Airlines Logo
5:35 pm - 5:47 pm
BCN
-
MKE
30h 12m2 stops
$489Multiple Airlines
Mon, Feb 16 - Sun, Mar 8
Delta Logo
7:05 am - 8:00 am
MKE
-
BCN
17h 55m1 stop
Delta Logo
6:00 am - 10:39 pm
BCN
-
MKE
23h 39m2 stops
$491Delta
Fri, Feb 6 - Mon, Feb 16

United Airlines flights from Milwaukee to Barcelona-El Prat Airport

Our best United Airlines deals on Milwaukee to Barcelona-El Prat Airport flight tickets
United Airlines
Feb 6
MKE7:00 amMilwaukee-Mitchell
19h 00m
2 stops
BCN9:00 amBarcelona-El Prat
Feb 16
BCN1:35 pmBarcelona-El Prat
31h 30m
2 stops
MKE2:05 pmMilwaukee-Mitchell
$469
Find similar
United Airlines
Feb 6
MKE3:20 pmMilwaukee-Mitchell
19h 15m
2 stops
BCN5:35 pmBarcelona-El Prat
Feb 16
BCN1:35 pmBarcelona-El Prat
31h 30m
2 stops
MKE2:05 pmMilwaukee-Mitchell
$472
Find similar
United Airlines
Jan 16
MKE2:32 pmMilwaukee-Mitchell
16h 43m
2 stops
BCN2:15 pmBarcelona-El Prat
Jan 20
BCN1:35 pmBarcelona-El Prat
33h 08m
2 stops
MKE3:43 pmMilwaukee-Mitchell
$473
Find similar

Lufthansa flights from Milwaukee to Barcelona-El Prat Airport

Our best Lufthansa deals on Milwaukee to Barcelona-El Prat Airport flight tickets
Lufthansa
Feb 16
MKE1:25 pmMilwaukee-Mitchell
18h 20m
2 stops
BCN2:45 pmBarcelona-El Prat
Mar 8
BCN5:50 amBarcelona-El Prat
18h 53m
2 stops
MKE5:43 pmMilwaukee-Mitchell
$476
Find similar
Lufthansa
Jan 31
MKE10:59 amMilwaukee-Mitchell
19h 11m
2 stops
BCN1:10 pmBarcelona-El Prat
Feb 8
BCN5:50 amBarcelona-El Prat
23h 09m
2 stops
MKE9:59 pmMilwaukee-Mitchell
$487
Find similar
Lufthansa
Mar 13
MKE3:24 pmMilwaukee-Mitchell
18h 56m
2 stops
BCN4:20 pmBarcelona-El Prat
Mar 22
BCN7:45 pmBarcelona-El Prat
32h 05m
2 stops
MKE9:50 pmMilwaukee-Mitchell
$848
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Milwaukee to Barcelona-El Prat Airport 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, momondo users made 832,500 searches. Data last updated December 21, 2025.
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

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 2/6

7:00 am-9:00 am

2 stops19h 00m

Barcelona-El Prat

Mon 2/16

1:35 pm-2:05 pm

2 stops31h 30m

$469

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 2/6

3:20 pm-5:35 pm

2 stops19h 15m

Barcelona-El Prat

Mon 2/16

1:35 pm-2:05 pm

2 stops31h 30m

$472

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 1/16

2:32 pm-2:15 pm

2 stops16h 43m

Barcelona-El Prat

Tue 1/20

1:35 pm-3:43 pm

2 stops33h 08m

$473

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 2/16

1:25 pm-5:35 pm

2 stops21h 10m

Barcelona-El Prat

Sun 3/8

5:50 am-5:43 pm

2 stops18h 53m

$476

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Wed 2/4

11:29 am-9:00 am

1 stop14h 31m

Barcelona-El Prat

Fri 2/13

6:50 am-5:37 pm

2 stops17h 47m

$479

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Wed 2/4

2:46 pm-4:30 pm

2 stops18h 44m

Barcelona-El Prat

Fri 2/13

11:35 am-10:59 pm

2 stops18h 24m

$482

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 2/16

6:40 am-7:05 am

1 stop17h 25m

Barcelona-El Prat

Sun 3/8

10:40 am-11:18 pm

1 stop18h 38m

$484

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Sat 1/31

10:59 am-1:10 pm

2 stops19h 11m

Barcelona-El Prat

Sun 2/8

5:50 am-9:59 pm

2 stops23h 09m

$487

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 2/16

11:52 am-8:50 am

1 stop13h 58m

Barcelona-El Prat

Sun 3/8

5:35 pm-5:47 pm

2 stops30h 12m

$489

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 2/6

7:05 am-8:00 am

1 stop17h 55m

Barcelona-El Prat

Mon 2/16

6:00 am-10:39 pm

2 stops23h 39m

$491

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Barcelona from

How to get the cheapest flight ticket from Milwaukee to Barcelona-El Prat Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Barcelona-El Prat Airport?

The cheapest month to fly to Barcelona-El Prat Airport from Milwaukee is in November. Flight prices, which tend to average around $521, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Barcelona-El Prat Airport from Milwaukee during October instead. Flights to Barcelona-El Prat Airport in October, while not as cheap as those in November, still average around $704.

What is the cheapest day to depart on your flight to Barcelona-El Prat Airport?

The cheapest day to depart on your flight to Barcelona-El Prat Airport is on a Monday when prices can be found for as low as $631. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $1,217. These prices are subject to change though, so be sure to set up a Price Alert for flights to Barcelona-El Prat Airport.

What is the cheapest time of day to depart on your flight to Barcelona-El Prat Airport?

Flying to Barcelona-El Prat Airport from Milwaukee in the evening is the least expensive time of day to depart. momondo users have found prices as low as $498 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $987 on average. Flights to Barcelona-El Prat Airport from Milwaukee in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Milwaukee to Barcelona-El Prat Airport flights?

You could potentially save up to 14% on your flight if you consider stops on a Milwaukee to Barcelona-El Prat Airport flight.

When to book flights from Milwaukee to Barcelona-El Prat Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Milwaukee to Barcelona-El Prat Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Milwaukee to Barcelona-El Prat Airport (MKE to BCN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Milwaukee to Barcelona-El Prat Airport

Fastest flight time

16h 04m

Direct flights

None
The fastest flight from Milwaukee to Barcelona-El Prat Airport takes 16h 04m
There are no direct flights from Milwaukee to Barcelona-El Prat Airport. There are no popular flight routes from Milwaukee to Barcelona-El Prat Airport.
Search flight deals

  • How far is Milwaukee-Mitchell to Barcelona-El Prat by plane?

    There are 4365.3 mi between Milwaukee-Mitchell and Barcelona-El Prat. In terms of flight time, this usually takes a little over 16h 04m.

  • When did momondo last update prices for flights from Milwaukee-Mitchell Airport to Barcelona-El Prat Airport?

    Prices for flights from Milwaukee-Mitchell Airport to Barcelona-El Prat Airport were last updated today.

  • How many operators does momondo search for flights from Milwaukee-Mitchell Airport to Barcelona-El Prat Airport?

  • How old do you have to be to fly from Milwaukee-Mitchell Airport to Barcelona-El Prat Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Milwaukee-Mitchell Airport to Barcelona-El Prat Airport.

  • What documentation or ID do you need to fly to Barcelona-El Prat Airport?

    The travel and health documents you'll need for your trip to Barcelona-El Prat Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Barcelona-El Prat Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Milwaukee to Barcelona-El Prat Airport?

Best airlines flying from Milwaukee to Barcelona-El Prat Airport

Compare and see reviews for airlines that fly from Milwaukee to Barcelona-El Prat Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $508Free CancellationRating
7.4
9,100 reviews
Search United Airlines flights
American AirlinesPriceFrom $609Free CancellationRating
7.2
11,051 reviews
Search American Airlines flights
DeltaPriceFrom $676Free CancellationRating
7.9
8,017 reviews
Search Delta flights
British AirwaysPriceFrom $689Free CancellationRating
6.7
7,602 reviews
Search British Airways flights

Traveling to a place near Barcelona?

Book flights to Barcelona if you plan to visit one of these locations
Lloret de Mar
Sitges
Salou
Tossa de Mar
El Prat de Llobregat
Castelldefels
Tarragona
L'Hospitalet de Llobregat
Santa Susanna
Cambrils
Cadaques
Calella
Empuriabrava
Pals
Pineda de Mar
Roses
Badalona
Palafrugell
Tortosa
La Pineda

Why use momondo?

Why should I use momondo to find a flight deal from Milwaukee to Barcelona?

It is quick and easy to find Milwaukee to Barcelona flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Barcelona that suits you.

Can I find flights from Milwaukee to Barcelona with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Barcelona from Milwaukee with this policy.

How can momondo help me find flights from Milwaukee to Barcelona?

momondo helps you find the best flight between Milwaukee and Barcelona by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Milwaukee to Barcelona right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Barcelona from Milwaukee. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Barcelona-El Prat Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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