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Cheap flights from Milwaukee to Barcelona from $347

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 4/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
10:58 am - 8:00 amMKE-BCN
14h 02m1 stop
Delta Logo
10:15 am - 9:48 pmBCN-MKE
18h 33m1 stop
$434Delta
Find Deal
Sun, Dec 7 - Tue, Dec 16
Delta Logo
5:59 pm - 8:00 amMKE-BCN
31h 01m1 stop
Delta Logo
10:15 am - 9:48 pmBCN-MKE
18h 33m1 stop
$439Delta
Find Deal
Tue, Dec 9 - Tue, Dec 16
Multiple Airlines Logo
1:12 pm - 11:10 amMKE-BCN
14h 58m2 stops
Multiple Airlines Logo
10:15 am - 8:22 pmBCN-MKE
17h 07m1 stop
$453Multiple Airlines
Find Deal
Tue, Dec 9 - Tue, Dec 16
Delta Logo
1:12 pm - 3:00 pmMKE-BCN
18h 48m2 stops
Delta Logo
10:15 am - 8:30 pmBCN-MKE
17h 15m2 stops
$457Delta
Find Deal
Tue, Dec 9 - Tue, Dec 16
Delta Logo
10:58 am - 8:00 amMKE-BCN
14h 02m1 stop
Delta Logo
10:15 am - 9:48 pmBCN-MKE
18h 33m1 stop
$459Delta
Find Deal
Sun, Dec 7 - Sun, Dec 14
Air Canada Logo
6:00 am - 9:35 amMKE-BCN
44h 35m2 stops
Air Canada Logo
1:35 pm - 8:47 pmBCN-MKE
38h 12m2 stops
$461Air Canada
Find Deal
Sun, Dec 7 - Tue, Dec 16
United Airlines Logo
6:00 am - 9:35 amMKE-BCN
20h 35m2 stops
United Airlines Logo
11:00 am - 5:12 pmBCN-MKE
13h 12m1 stop
$484United Airlines
Find Deal
Mon, Dec 8 - Tue, Dec 16
United Airlines Logo
6:00 am - 9:35 amMKE-BCN
20h 35m2 stops
United Airlines Logo
1:45 pm - 10:30 pmBCN-MKE
15h 45m2 stops
$486United Airlines
Find Deal
Mon, Dec 8 - Mon, Dec 15
Multiple Airlines Logo
7:02 am - 8:00 amMKE-BCN
17h 58m1 stop
Multiple Airlines Logo
1:00 pm - 11:50 pmBCN-MKE
17h 50m2 stops
$490Multiple Airlines
Find Deal
Fri, Feb 6 - Mon, Feb 16
American Airlines Logo
6:38 pm - 5:55 pmMKE-BCN
16h 17m2 stops
American Airlines Logo
10:40 am - 8:46 pmBCN-MKE
16h 06m1 stop
$601American Airlines
Find Deal
Mon, Feb 16 - Sun, Mar 8

Delta flights from Milwaukee to Barcelona-El Prat Airport

Our best Delta deals on Milwaukee to Barcelona-El Prat Airport flight tickets
Delta
Dec 7
MKE10:58 amMilwaukee-Mitchell
14h 02m
1 stop
BCN8:00 amBarcelona-El Prat
Dec 16
BCN10:15 amBarcelona-El Prat
18h 33m
1 stop
MKE9:48 pmMilwaukee-Mitchell
$434
Find similar
Delta
Dec 9
MKE5:59 pmMilwaukee-Mitchell
31h 01m
1 stop
BCN8:00 amBarcelona-El Prat
Dec 16
BCN10:15 amBarcelona-El Prat
18h 33m
1 stop
MKE9:48 pmMilwaukee-Mitchell
$439
Find similar
Delta
Dec 9
MKE1:12 pmMilwaukee-Mitchell
18h 48m
2 stops
BCN3:00 pmBarcelona-El Prat
Dec 16
BCN10:15 amBarcelona-El Prat
17h 15m
2 stops
MKE8:30 pmMilwaukee-Mitchell
$457
Find similar

KLM flights from Milwaukee to Barcelona-El Prat Airport

Our best KLM deals on Milwaukee to Barcelona-El Prat Airport flight tickets
KLM
Dec 10
MKE11:41 amMilwaukee-Mitchell
15h 44m
2 stops
BCN10:25 amBarcelona-El Prat
Dec 18
BCN10:15 amBarcelona-El Prat
17h 07m
1 stop
MKE8:22 pmMilwaukee-Mitchell
$465
Find similar
KLM
Dec 11
MKE11:29 amMilwaukee-Mitchell
15h 56m
2 stops
BCN10:25 amBarcelona-El Prat
Dec 17
BCN10:15 amBarcelona-El Prat
17h 07m
1 stop
MKE8:22 pmMilwaukee-Mitchell
$693
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 November 3, 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

Sun 12/7

10:58 am-8:00 am

1 stop14h 02m

Barcelona-El Prat

Tue 12/16

10:15 am-9:48 pm

1 stop18h 33m

$434

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Tue 12/9

5:59 pm-8:00 am

1 stop31h 01m

Barcelona-El Prat

Tue 12/16

10:15 am-9:48 pm

1 stop18h 33m

$439

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Tue 12/9

1:12 pm-11:10 am

2 stops14h 58m

Barcelona-El Prat

Tue 12/16

10:15 am-8:22 pm

1 stop17h 07m

$453

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Tue 12/9

1:12 pm-3:00 pm

2 stops18h 48m

Barcelona-El Prat

Tue 12/16

10:15 am-8:30 pm

2 stops17h 15m

$457

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Sun 12/7

10:58 am-8:00 am

1 stop14h 02m

Barcelona-El Prat

Sun 12/14

10:15 am-9:48 pm

1 stop18h 33m

$459

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Sun 12/7

6:00 am-9:35 am

2 stops44h 35m

Barcelona-El Prat

Tue 12/16

1:35 pm-8:47 pm

2 stops38h 12m

$461

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 12/8

6:00 am-9:35 am

2 stops20h 35m

Barcelona-El Prat

Tue 12/16

11:00 am-5:12 pm

1 stop13h 12m

$484

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 12/8

6:00 am-9:35 am

2 stops20h 35m

Barcelona-El Prat

Mon 12/15

1:45 pm-10:30 pm

2 stops15h 45m

$486

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 2/6

7:02 am-8:00 am

1 stop17h 58m

Barcelona-El Prat

Mon 2/16

1:00 pm-11:50 pm

2 stops17h 50m

$490

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 2/16

6:38 pm-5:55 pm

2 stops16h 17m

Barcelona-El Prat

Sun 3/8

10:40 am-8:46 pm

1 stop16h 06m

$601

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between Milwaukee and Barcelona-El Prat Airport?

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 45% 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

Direct flights

None
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.
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  • 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 13h 59m.

  • 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
8,997 reviews
Search United Airlines flights
American AirlinesPriceFrom $609Free CancellationRating
7.2
11,036 reviews
Search American Airlines flights
DeltaPriceFrom $676Free CancellationRating
7.9
8,001 reviews
Search Delta flights
British AirwaysPriceFrom $689Free CancellationRating
6.7
7,494 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
Castelldefels
El Prat de Llobregat
L'Hospitalet de Llobregat
Tarragona
Santa Susanna
Cambrils
Cadaques
Empuriabrava
Pineda de Mar
Roses
Badalona
Calella
Pals
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

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