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Cheap flights from Milwaukee to Barcelona from $371

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 4/12. 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.
British Airways Logo
4:52 pm - 2:15 pm
MKE
-
BCN
14h 23m
2 stops
British Airways Logo
10:30 am - 7:37 pm
BCN
-
MKE
16h 07m
1 stop
$721British Airways
Sun, Sep 20 - Wed, Sep 30
Lufthansa Logo
10:51 am - 1:05 pm
MKE
-
BCN
19h 14m
2 stops
Lufthansa Logo
10:15 am - 10:30 pm
BCN
-
MKE
19h 15m
2 stops
$734Lufthansa
Wed, Apr 22 - Wed, Apr 29
Lufthansa Logo
7:41 pm - 5:55 pm
MKE
-
BCN
15h 14m
2 stops
Lufthansa Logo
1:50 pm - 10:30 pm
BCN
-
MKE
15h 40m
2 stops
$751Lufthansa
Tue, Apr 21 - Tue, Apr 28
British Airways Logo
4:52 pm - 2:15 pm
MKE
-
BCN
14h 23m
2 stops
British Airways Logo
7:40 am - 5:33 pm
BCN
-
MKE
16h 53m
2 stops
$752British Airways
Sun, Sep 20 - Wed, Sep 30
Iberia Logo
2:00 pm - 10:55 am
MKE
-
BCN
13h 55m
1 stop
Iberia Logo
10:30 am - 8:06 pm
BCN
-
MKE
16h 36m
1 stop
$753Iberia
Tue, Apr 21 - Tue, Apr 28
British Airways Logo
6:41 pm - 10:35 am
MKE
-
BCN
32h 54m
1 stop
British Airways Logo
10:30 am - 9:21 pm
BCN
-
MKE
17h 51m
1 stop
$756British Airways
Sun, Sep 20 - Wed, Sep 30
American Airlines Logo
9:08 am - 6:45 am
MKE
-
BCN
14h 37m
2 stops
American Airlines Logo
12:50 pm - 9:41 pm
BCN
-
MKE
15h 51m
1 stop
$758American Airlines
Tue, Apr 21 - Tue, Apr 28
United Airlines Logo
2:32 pm - 2:55 pm
MKE
-
BCN
17h 23m
2 stops
United Airlines Logo
3:15 pm - 8:48 pm
BCN
-
MKE
12h 33m
1 stop
$760United Airlines
Wed, Apr 22 - Wed, Apr 29
British Airways Logo
4:26 pm - 10:40 pm
MKE
-
BCN
23h 14m
2 stops
British Airways Logo
10:30 am - 11:40 pm
BCN
-
MKE
20h 10m
1 stop
$779British Airways
Wed, Apr 22 - Wed, Apr 29
American Airlines Logo
6:00 am - 6:45 am
MKE
-
BCN
17h 45m
1 stop
American Airlines Logo
10:45 am - 10:27 pm
BCN
-
MKE
18h 42m
1 stop
$805American Airlines
Wed, Apr 22 - Wed, Apr 29

British Airways flights from Milwaukee to Barcelona-El Prat Airport

Our best British Airways deals on Milwaukee to Barcelona-El Prat Airport flight tickets
British Airways
Sep 20
MKE4:52 pmMilwaukee-Mitchell
14h 23m
2 stops
BCN2:15 pmBarcelona-El Prat
Sep 30
BCN10:30 amBarcelona-El Prat
16h 07m
1 stop
MKE7:37 pmMilwaukee-Mitchell
$721
British Airways
Sep 20
MKE4:52 pmMilwaukee-Mitchell
14h 23m
2 stops
BCN2:15 pmBarcelona-El Prat
Sep 30
BCN7:40 amBarcelona-El Prat
16h 53m
2 stops
MKE5:33 pmMilwaukee-Mitchell
$752
British Airways
Sep 20
MKE6:41 pmMilwaukee-Mitchell
32h 54m
1 stop
BCN10:35 amBarcelona-El Prat
Sep 30
BCN10:30 amBarcelona-El Prat
17h 51m
1 stop
MKE9:21 pmMilwaukee-Mitchell
$756

American Airlines flights from Milwaukee to Barcelona-El Prat Airport

Our best American Airlines deals on Milwaukee to Barcelona-El Prat Airport flight tickets
American Airlines
Apr 21
MKE9:08 amMilwaukee-Mitchell
14h 37m
2 stops
BCN6:45 amBarcelona-El Prat
Apr 28
BCN12:50 pmBarcelona-El Prat
15h 51m
1 stop
MKE9:41 pmMilwaukee-Mitchell
$758
American Airlines
Apr 22
MKE6:00 amMilwaukee-Mitchell
17h 45m
1 stop
BCN6:45 amBarcelona-El Prat
Apr 29
BCN10:45 amBarcelona-El Prat
18h 42m
1 stop
MKE10:27 pmMilwaukee-Mitchell
$805
American Airlines
Apr 24
MKE6:00 amMilwaukee-Mitchell
17h 45m
1 stop
BCN6:45 amBarcelona-El Prat
May 1
BCN12:50 pmBarcelona-El Prat
15h 51m
1 stop
MKE9:41 pmMilwaukee-Mitchell
$853

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 March 26, 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

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Sun 9/20

4:52 pm-2:15 pm

2 stops14h 23m

Barcelona-El Prat

Wed 9/30

10:30 am-7:37 pm

1 stop16h 07m

$721

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Wed 4/22

10:51 am-1:05 pm

2 stops19h 14m

Barcelona-El Prat

Wed 4/29

10:15 am-10:30 pm

2 stops19h 15m

$734

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Tue 4/21

7:41 pm-5:55 pm

2 stops15h 14m

Barcelona-El Prat

Tue 4/28

1:50 pm-10:30 pm

2 stops15h 40m

$751

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Sun 9/20

4:52 pm-2:15 pm

2 stops14h 23m

Barcelona-El Prat

Wed 9/30

7:40 am-5:33 pm

2 stops16h 53m

$752

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Tue 4/21

2:00 pm-10:55 am

1 stop13h 55m

Barcelona-El Prat

Tue 4/28

10:30 am-8:06 pm

1 stop16h 36m

$753

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Sun 9/20

6:41 pm-10:35 am

1 stop32h 54m

Barcelona-El Prat

Wed 9/30

10:30 am-9:21 pm

1 stop17h 51m

$756

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Tue 4/21

9:08 am-6:45 am

2 stops14h 37m

Barcelona-El Prat

Tue 4/28

12:50 pm-9:41 pm

1 stop15h 51m

$758
Quickest round-trip

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Wed 4/22

2:32 pm-2:55 pm

2 stops17h 23m

Barcelona-El Prat

Wed 4/29

3:15 pm-8:48 pm

1 stop12h 33m

$760

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Wed 4/22

4:26 pm-10:40 pm

2 stops23h 14m

Barcelona-El Prat

Wed 4/29

10:30 am-11:40 pm

1 stop20h 10m

$779

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Wed 4/22

6:00 am-6:45 am

1 stop17h 45m

Barcelona-El Prat

Wed 4/29

10:45 am-10:27 pm

1 stop18h 42m

$805

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?

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

You could potentially save up to 33% 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 23m

Direct flights

None
The fastest flight from Milwaukee to Barcelona-El Prat Airport takes 14h 23m
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 14h 23m.

  • 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
7,820 reviews
Search British Airways flights
United AirlinesPriceFrom $499Free CancellationRating
7.4
9,487 reviews
Search United Airlines flights
American AirlinesPriceFrom $609Free CancellationRating
7.1
11,496 reviews
Search American Airlines 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
Tarragona
El Prat de Llobregat
L'Hospitalet de Llobregat
Calella
Santa Susanna
Cadaques
Cambrils
Badalona
Pals
Pineda de Mar
Empuriabrava
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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