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Cheap flights from Milwaukee to Barcelona from $377

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 10/24. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Milwaukee to Barcelona

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
5:00 am - 9:35 am
MKE
-
BCN
21h 35m
2 stops
Air Canada Logo
1:35 pm - 10:39 pm
BCN
-
MKE
40h 04m
2 stops
$756Air Canada
Sun, Dec 6 - Wed, Dec 9
Lufthansa Logo
2:23 pm - 5:35 pm
MKE
-
BCN
20h 12m
2 stops
Lufthansa Logo
6:50 am - 11:27 pm
BCN
-
MKE
23h 37m
2 stops
$773Lufthansa
Wed, Nov 18 - Wed, Nov 25
United Airlines Logo
6:10 am - 8:20 am
MKE
-
BCN
19h 10m
1 stop
United Airlines Logo
6:50 am - 6:39 pm
BCN
-
MKE
18h 49m
2 stops
$776United Airlines
Sun, Dec 6 - Wed, Dec 9
United Airlines Logo
10:42 am - 1:15 pm
MKE
-
BCN
19h 33m
1 stop
United Airlines Logo
1:15 pm - 10:00 am
BCN
-
MKE
27h 45m
2 stops
$787United Airlines
Mon, Sep 28 - Tue, Oct 6
Air Canada Logo
5:00 am - 8:00 am
MKE
-
BCN
20h 00m
2 stops
Air Canada Logo
1:15 pm - 10:00 am
BCN
-
MKE
27h 45m
2 stops
$791Air Canada
Mon, Sep 28 - Tue, Oct 6
United Airlines Logo
6:15 am - 8:20 am
MKE
-
BCN
19h 05m
2 stops
United Airlines Logo
1:15 pm - 1:43 pm
BCN
-
MKE
31h 28m
2 stops
$792United Airlines
Mon, Sep 28 - Tue, Oct 6
Lufthansa Logo
6:32 pm - 10:25 pm
MKE
-
BCN
20h 53m
2 stops
Lufthansa Logo
8:00 am - 10:59 pm
BCN
-
MKE
21h 59m
2 stops
$801Lufthansa
Mon, Sep 28 - Tue, Oct 6
United Airlines Logo
3:52 pm - 1:15 pm
MKE
-
BCN
14h 23m
1 stop
United Airlines Logo
3:15 pm - 10:59 pm
BCN
-
MKE
14h 44m
1 stop
$803United Airlines
Mon, Sep 28 - Tue, Oct 6
Multiple Airlines Logo
6:18 pm - 11:05 pm
MKE
-
BCN
21h 47m
2 stops
Multiple Airlines Logo
1:35 pm - 10:39 pm
BCN
-
MKE
40h 04m
2 stops
$804Multiple Airlines
Fri, Nov 27 - Fri, Dec 11
Air Canada Logo
8:30 am - 9:35 am
MKE
-
BCN
18h 05m
2 stops
Air Canada Logo
1:35 pm - 10:39 pm
BCN
-
MKE
40h 04m
2 stops
$806Air Canada
Fri, Nov 27 - Fri, Dec 11

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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
Dec 6
MKE5:00 amMilwaukee-Mitchell
21h 35m
2 stops
BCN9:35 amBarcelona-El Prat
Dec 9
BCN1:35 pmBarcelona-El Prat
40h 04m
2 stops
MKE10:39 pmMilwaukee-Mitchell
$756
Air Canada
Sep 28
MKE5:00 amMilwaukee-Mitchell
20h 00m
2 stops
BCN8:00 amBarcelona-El Prat
Oct 6
BCN1:15 pmBarcelona-El Prat
27h 45m
2 stops
MKE10:00 amMilwaukee-Mitchell
$791
Air Canada
Nov 27
MKE8:30 amMilwaukee-Mitchell
18h 05m
2 stops
BCN9:35 amBarcelona-El Prat
Dec 11
BCN1:35 pmBarcelona-El Prat
40h 04m
2 stops
MKE10:39 pmMilwaukee-Mitchell
$806

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
Dec 6
MKE6:10 amMilwaukee-Mitchell
19h 10m
1 stop
BCN8:20 amBarcelona-El Prat
Dec 9
BCN6:50 amBarcelona-El Prat
18h 49m
2 stops
MKE6:39 pmMilwaukee-Mitchell
$776
United Airlines
Sep 28
MKE10:42 amMilwaukee-Mitchell
19h 33m
1 stop
BCN1:15 pmBarcelona-El Prat
Oct 6
BCN1:15 pmBarcelona-El Prat
27h 45m
2 stops
MKE10:00 amMilwaukee-Mitchell
$787
United Airlines
Sep 28
MKE6:15 amMilwaukee-Mitchell
19h 05m
2 stops
BCN8:20 amBarcelona-El Prat
Oct 6
BCN1:15 pmBarcelona-El Prat
31h 28m
2 stops
MKE1:43 pmMilwaukee-Mitchell
$792

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 July 10, 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 12/6

5:00 am-9:35 am

2 stops21h 35m

Barcelona-El Prat

Wed 12/9

1:35 pm-10:39 pm

2 stops40h 04m

$756

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Wed 11/18

2:23 pm-5:35 pm

2 stops20h 12m

Barcelona-El Prat

Wed 11/25

6:50 am-11:27 pm

2 stops23h 37m

$773

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Sun 12/6

6:10 am-8:20 am

1 stop19h 10m

Barcelona-El Prat

Wed 12/9

6:50 am-6:39 pm

2 stops18h 49m

$776

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 9/28

10:42 am-1:15 pm

1 stop19h 33m

Barcelona-El Prat

Tue 10/6

1:15 pm-10:00 am

2 stops27h 45m

$787

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 9/28

5:00 am-8:00 am

2 stops20h 00m

Barcelona-El Prat

Tue 10/6

1:15 pm-10:00 am

2 stops27h 45m

$791

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 9/28

6:15 am-8:20 am

2 stops19h 05m

Barcelona-El Prat

Tue 10/6

1:15 pm-1:43 pm

2 stops31h 28m

$792

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 9/28

6:32 pm-10:25 pm

2 stops20h 53m

Barcelona-El Prat

Tue 10/6

8:00 am-10:59 pm

2 stops21h 59m

$801
Quickest round-trip

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 9/28

3:52 pm-1:15 pm

1 stop14h 23m

Barcelona-El Prat

Tue 10/6

3:15 pm-10:59 pm

1 stop14h 44m

$803

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 11/27

6:18 pm-11:05 pm

2 stops21h 47m

Barcelona-El Prat

Fri 12/11

1:35 pm-10:39 pm

2 stops40h 04m

$804

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 11/27

8:30 am-9:35 am

2 stops18h 05m

Barcelona-El Prat

Fri 12/11

1:35 pm-10:39 pm

2 stops40h 04m

$806

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

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 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 13% 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

12h 08m

Direct flights

None
The fastest flight from Milwaukee to Barcelona-El Prat Airport takes 12h 08m
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 12h 08m.

  • 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
8,107 reviews
Search British Airways flights
United AirlinesPriceFrom $508Free CancellationRating
7.4
9,969 reviews
Search United Airlines flights
American AirlinesPriceFrom $609Free CancellationRating
7.1
11,802 reviews
Search American Airlines flights
DeltaPriceFrom $689Free CancellationRating
7.8
8,458 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
Tarragona
Tossa de Mar
Castelldefels
El Prat de Llobregat
L'Hospitalet de Llobregat
Cambrils
Calella
Cadaques
Badalona
Roses
Santa Susanna
Pals
Empuriabrava
Calella de Palafrugell
Palafrugell
Pineda de Mar
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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