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Cheap flights from Milwaukee to Barcelona from $409

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 10/1. 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.
American Airlines Logo
8:16 pm - 5:35 pm
MKE
-
BCN
14h 19m
2 stops
American Airlines Logo
9:15 am - 5:40 pm
BCN
-
MKE
15h 25m
2 stops
$781American Airlines
Mon, Oct 5 - Wed, Oct 14
United Airlines Logo
2:50 pm - 1:15 pm
MKE
-
BCN
15h 25m
1 stop
United Airlines Logo
12:15 pm - 1:43 pm
BCN
-
MKE
32h 28m
2 stops
$784United Airlines
Mon, Sep 28 - Tue, Oct 6
United Airlines Logo
8:45 pm - 8:00 am
MKE
-
BCN
28h 15m
2 stops
United Airlines Logo
12:15 pm - 1:43 pm
BCN
-
MKE
32h 28m
2 stops
$787United Airlines
Mon, Sep 28 - Tue, Oct 6
American Airlines Logo
6:05 am - 7:35 am
MKE
-
BCN
18h 30m
1 stop
American Airlines Logo
12:50 pm - 11:47 pm
BCN
-
MKE
17h 57m
1 stop
$789American Airlines
Mon, Sep 28 - Tue, Oct 6
British Airways Logo
6:41 pm - 5:35 pm
MKE
-
BCN
15h 54m
2 stops
British Airways Logo
10:15 am - 7:40 pm
BCN
-
MKE
16h 25m
2 stops
$803British Airways
Mon, Sep 28 - Tue, Oct 6
United Airlines Logo
6:10 am - 8:20 am
MKE
-
BCN
19h 10m
1 stop
United Airlines Logo
11:00 am - 6:08 pm
BCN
-
MKE
14h 08m
1 stop
$804United Airlines
Tue, Nov 3 - Fri, Nov 20
United Airlines Logo
8:29 am - 9:00 am
MKE
-
BCN
17h 31m
2 stops
United Airlines Logo
11:00 am - 6:08 pm
BCN
-
MKE
14h 08m
1 stop
$808United Airlines
Wed, Nov 4 - Fri, Nov 20
United Airlines Logo
6:45 pm - 8:20 am
MKE
-
BCN
30h 35m
1 stop
United Airlines Logo
3:05 pm - 8:54 pm
BCN
-
MKE
12h 49m
1 stop
$809United Airlines
Sat, Nov 7 - Thu, Nov 26
Lufthansa Logo
7:00 pm - 5:35 pm
MKE
-
BCN
15h 35m
2 stops
Lufthansa Logo
6:50 am - 4:35 pm
BCN
-
MKE
16h 45m
2 stops
$820Lufthansa
Tue, Nov 3 - Thu, Nov 26
American Airlines Logo
12:10 pm - 8:50 am
MKE
-
BCN
13h 40m
1 stop
American Airlines Logo
11:50 am - 9:35 pm
BCN
-
MKE
16h 45m
2 stops
$830American Airlines
Sun, Nov 1 - Sat, Nov 7

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
Sep 28
MKE2:50 pmMilwaukee-Mitchell
15h 25m
1 stop
BCN1:15 pmBarcelona-El Prat
Oct 6
BCN12:15 pmBarcelona-El Prat
32h 28m
2 stops
MKE1:43 pmMilwaukee-Mitchell
$784
United Airlines
Sep 28
MKE8:45 pmMilwaukee-Mitchell
28h 15m
2 stops
BCN8:00 amBarcelona-El Prat
Oct 6
BCN12:15 pmBarcelona-El Prat
32h 28m
2 stops
MKE1:43 pmMilwaukee-Mitchell
$787
United Airlines
Nov 3
MKE6:10 amMilwaukee-Mitchell
19h 10m
1 stop
BCN8:20 amBarcelona-El Prat
Nov 24
BCN11:00 amBarcelona-El Prat
14h 08m
1 stop
MKE6:08 pmMilwaukee-Mitchell
$804

Air Canada flights from Milwaukee to Barcelona-El Prat Airport

Our best Air Canada deals on Milwaukee to Barcelona-El Prat Airport flight tickets
Air Canada
Sep 29
MKE8:29 amMilwaukee-Mitchell
16h 31m
3 stops
BCN8:00 amBarcelona-El Prat
Oct 6
BCN6:40 amBarcelona-El Prat
21h 05m
3 stops
MKE8:45 pmMilwaukee-Mitchell
$897
Air Canada
Sep 28
MKE8:29 amMilwaukee-Mitchell
16h 31m
3 stops
BCN8:00 amBarcelona-El Prat
Oct 6
BCN6:40 amBarcelona-El Prat
21h 05m
3 stops
MKE8:45 pmMilwaukee-Mitchell
$989
Air Canada
May 13
MKE8:33 amMilwaukee-Mitchell
16h 27m
2 stops
BCN8:00 amBarcelona-El Prat
May 20
BCN12:15 pmBarcelona-El Prat
31h 33m
2 stops
MKE12:48 pmMilwaukee-Mitchell
$1,135

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 May 11, 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 10/5

8:16 pm-5:35 pm

2 stops14h 19m

Barcelona-El Prat

Wed 10/14

9:15 am-5:40 pm

2 stops15h 25m

$781

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 9/28

2:50 pm-1:15 pm

1 stop15h 25m

Barcelona-El Prat

Tue 10/6

12:15 pm-1:43 pm

2 stops32h 28m

$784

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 9/28

8:45 pm-8:00 am

2 stops28h 15m

Barcelona-El Prat

Tue 10/6

12:15 pm-1:43 pm

2 stops32h 28m

$787

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 9/28

6:05 am-7:35 am

1 stop18h 30m

Barcelona-El Prat

Tue 10/6

12:50 pm-11:47 pm

1 stop17h 57m

$789

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 9/28

6:41 pm-5:35 pm

2 stops15h 54m

Barcelona-El Prat

Tue 10/6

10:15 am-7:40 pm

2 stops16h 25m

$803

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Tue 11/3

6:10 am-8:20 am

1 stop19h 10m

Barcelona-El Prat

Fri 11/20

11:00 am-6:08 pm

1 stop14h 08m

$804

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Wed 11/4

8:29 am-9:00 am

2 stops17h 31m

Barcelona-El Prat

Fri 11/20

11:00 am-6:08 pm

1 stop14h 08m

$808

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Sat 11/7

6:45 pm-8:20 am

1 stop30h 35m

Barcelona-El Prat

Thu 11/26

3:05 pm-8:54 pm

1 stop12h 49m

$809

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Tue 11/3

7:00 pm-5:35 pm

2 stops15h 35m

Barcelona-El Prat

Thu 11/26

6:50 am-4:35 pm

2 stops16h 45m

$820

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Sun 11/1

12:10 pm-8:50 am

1 stop13h 40m

Barcelona-El Prat

Sat 11/7

11:50 am-9:35 pm

2 stops16h 45m

$830

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 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 February. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Barcelona-El Prat Airport from Milwaukee during November instead. Flights to Barcelona-El Prat Airport in November, while not as cheap as those in February, still average around $508.

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

You could potentially save up to 20% 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

14h 19m

Direct flights

None
The fastest flight from Milwaukee to Barcelona-El Prat Airport takes 14h 19m
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

Frequently asked questions about flying from Milwaukee to Barcelona-El Prat Airport

  • 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 14h 19m.

  • 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
British AirwaysPriceFrom $457Free CancellationRating
6.7
7,972 reviews
Search British Airways flights
United AirlinesPriceFrom $499Free CancellationRating
7.4
9,702 reviews
Search United Airlines flights
American AirlinesPriceFrom $609Free CancellationRating
7.1
11,665 reviews
Search American Airlines flights
DeltaPriceFrom $689Free CancellationRating
7.9
8,451 reviews
Search Delta 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
Castelldefels
Tossa de Mar
Tarragona
El Prat de Llobregat
L'Hospitalet de Llobregat
Calella
Cambrils
Cadaques
Badalona
Pineda de Mar
Santa Susanna
Empuriabrava
Pals
Roses
Calella de Palafrugell
Palafrugell
Malgrat de Mar

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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