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Cheap flights from Milwaukee to Barcelona from $360

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 5/2. 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
5:00 am - 5:35 pm
MKE
-
BCN
29h 35m2 stops
United Airlines Logo
1:35 pm - 2:05 pm
BCN
-
MKE
31h 30m2 stops
$472United Airlines
Fri, Feb 6 - Mon, Feb 16
Lufthansa Logo
11:30 am - 5:35 pm
MKE
-
BCN
23h 05m2 stops
Lufthansa Logo
6:50 am - 9:59 pm
BCN
-
MKE
22h 09m2 stops
$475Lufthansa
Thu, Jan 22 - Sat, Jan 31
American Airlines Logo
4:05 pm - 2:45 pm
MKE
-
BCN
15h 40m2 stops
American Airlines Logo
10:40 am - 9:59 pm
BCN
-
MKE
18h 19m1 stop
$480American Airlines
Thu, Jan 22 - Sat, Jan 31
British Airways Logo
1:04 pm - 7:50 pm
MKE
-
BCN
23h 46m2 stops
British Airways Logo
12:40 pm - 10:59 pm
BCN
-
MKE
17h 19m2 stops
$482British Airways
Fri, Feb 6 - Mon, Feb 16
KLM Logo
12:17 pm - 8:40 am
MKE
-
BCN
13h 23m1 stop
KLM Logo
10:15 am - 8:58 pm
BCN
-
MKE
17h 43m1 stop
$484KLM
Thu, Jan 22 - Sat, Jan 31
American Airlines Logo
4:05 pm - 2:40 pm
MKE
-
BCN
15h 35m2 stops
American Airlines Logo
12:30 pm - 11:35 pm
BCN
-
MKE
18h 05m2 stops
$485American Airlines
Wed, Jan 14 - Sun, Jan 18
United Airlines Logo
11:30 am - 9:00 am
MKE
-
BCN
14h 30m2 stops
United Airlines Logo
11:00 am - 10:56 pm
BCN
-
MKE
18h 56m2 stops
$488United Airlines
Wed, Jan 21 - Wed, Jan 28
KLM Logo
7:05 am - 8:00 am
MKE
-
BCN
17h 55m1 stop
KLM Logo
6:00 am - 5:34 pm
BCN
-
MKE
18h 34m2 stops
$490KLM
Fri, Feb 6 - Mon, Feb 16
United Airlines Logo
11:30 am - 5:35 pm
MKE
-
BCN
23h 05m2 stops
United Airlines Logo
6:50 am - 8:48 pm
BCN
-
MKE
20h 58m2 stops
$495United Airlines
Wed, Jan 14 - Sun, Jan 18
American Airlines Logo
10:47 am - 9:00 am
MKE
-
BCN
15h 13m1 stop
American Airlines Logo
12:30 pm - 8:24 pm
BCN
-
MKE
14h 54m1 stop
$569American Airlines
Wed, Jan 14 - Sun, Jan 18

American Airlines flights from Milwaukee to Barcelona

Our best American Airlines deals on Milwaukee to Barcelona flight tickets
American Airlines
Jan 22
MKE4:05 pmMilwaukee-Mitchell
15h 40m
2 stops
BCN2:45 pmBarcelona-El Prat
Jan 31
BCN10:40 amBarcelona-El Prat
18h 19m
1 stop
MKE9:59 pmMilwaukee-Mitchell
$480
Find similar
American Airlines
Jan 14
MKE4:05 pmMilwaukee-Mitchell
15h 35m
2 stops
BCN2:40 pmBarcelona-El Prat
Jan 18
BCN12:30 pmBarcelona-El Prat
18h 05m
2 stops
MKE11:35 pmMilwaukee-Mitchell
$485
Find similar
American Airlines
Jan 14
MKE10:47 amMilwaukee-Mitchell
15h 13m
1 stop
BCN9:00 amBarcelona-El Prat
Jan 18
BCN12:30 pmBarcelona-El Prat
14h 54m
1 stop
MKE8:24 pmMilwaukee-Mitchell
$569
Find similar

Air Canada flights from Milwaukee to Barcelona

Our best Air Canada deals on Milwaukee to Barcelona flight tickets
Air Canada
Jan 14
MKE7:00 amMilwaukee-Mitchell
19h 35m
3 stops
BCN9:35 amBarcelona-El Prat
Jan 18
BCN6:50 amBarcelona-El Prat
19h 03m
3 stops
MKE6:53 pmMilwaukee-Mitchell
$1,123
Find similar
Air Canada
Feb 6
MKE8:33 amMilwaukee-Mitchell
18h 02m
3 stops
BCN9:35 amBarcelona-El Prat
Feb 16
BCN5:50 amBarcelona-El Prat
19h 58m
3 stops
MKE6:48 pmMilwaukee-Mitchell
$1,213
Find similar
Air Canada
Dec 28
MKE5:42 pmMilwaukee-Mitchell
32h 53m
2 stops
BCN9:35 amBarcelona-El Prat
Jan 5
BCN1:35 pmBarcelona-El Prat
57h 13m
2 stops
MKE3:48 pmMilwaukee-Mitchell
$1,406
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Milwaukee to Barcelona 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 10, 2025.
Use the filters below to find and compare flights from Milwaukee to Barcelona that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 2/6

5:00 am-5:35 pm

2 stops29h 35m

Barcelona-El Prat

Mon 2/16

1:35 pm-2:05 pm

2 stops31h 30m

$472

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Thu 1/22

11:30 am-5:35 pm

2 stops23h 05m

Barcelona-El Prat

Sat 1/31

6:50 am-9:59 pm

2 stops22h 09m

$475

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Thu 1/22

4:05 pm-2:45 pm

2 stops15h 40m

Barcelona-El Prat

Sat 1/31

10:40 am-9:59 pm

1 stop18h 19m

$480

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 2/6

1:04 pm-7:50 pm

2 stops23h 46m

Barcelona-El Prat

Mon 2/16

12:40 pm-10:59 pm

2 stops17h 19m

$482

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Thu 1/22

12:17 pm-8:40 am

1 stop13h 23m

Barcelona-El Prat

Sat 1/31

10:15 am-8:58 pm

1 stop17h 43m

$484

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Wed 1/14

4:05 pm-2:40 pm

2 stops15h 35m

Barcelona-El Prat

Sun 1/18

12:30 pm-11:35 pm

2 stops18h 05m

$485

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Wed 1/21

11:30 am-9:00 am

2 stops14h 30m

Barcelona-El Prat

Wed 1/28

11:00 am-10:56 pm

2 stops18h 56m

$488

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-5:34 pm

2 stops18h 34m

$490

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Wed 1/14

11:30 am-5:35 pm

2 stops23h 05m

Barcelona-El Prat

Sun 1/18

6:50 am-8:48 pm

2 stops20h 58m

$495

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Wed 1/14

10:47 am-9:00 am

1 stop15h 13m

Barcelona-El Prat

Sun 1/18

12:30 pm-8:24 pm

1 stop14h 54m

$569

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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

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?

The month of November is, on average, the cheapest month to fly to Barcelona from Milwaukee, with most prices found around $521. If you don’t want to visit Barcelona in November, then you should wait until October to fly from Milwaukee, when ticket prices are also cheap, with an average price of $704.

What is the cheapest day to depart on your flight to Barcelona?

The cheapest day to depart from Milwaukee to Barcelona is on a Monday when prices can be found for as low as $631. On the other hand, Thursday is the most expensive day to depart from Milwaukee because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,217.

What is the cheapest time of day to depart on your flight to Barcelona?

In the evening is the cheapest time of day to fly from Milwaukee to Barcelona when you can find flight prices for as low as $498. Flying to Barcelona in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $987 on average. Flights to Barcelona from Milwaukee in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Cheap Milwaukee to Barcelona flight deals and tips

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

Fastest flight time

16h 22m

Direct flights

None
The fastest flight from Milwaukee to Barcelona takes 16h 22m
There are no direct flights from Milwaukee to Barcelona. There are no popular flight routes from Milwaukee to Barcelona.
Search flight deals

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

    Milwaukee-Mitchell and Barcelona are 4365.8 mi apart from one another. In terms of flight time, this usually takes a little over 13h 10m.

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

    Prices for flights from Milwaukee-Mitchell Airport to Barcelona refresh daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Milwaukee-Mitchell Airport to Barcelona.

  • What documentation or ID do you need to fly to Barcelona?

    The travel and health documents required for your trip to Barcelona can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Barcelona. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Milwaukee to Barcelona

Compare and see reviews for airlines that fly from Milwaukee to Barcelona with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $508Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
American AirlinesPriceFrom $609Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
DeltaPriceFrom $676Free CancellationRating
7.9
8,007 reviews
Search Delta flights
British AirwaysPriceFrom $689Free CancellationRating
6.7
7,573 reviews
Search British Airways flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Milwaukee to Barcelona. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Milwaukee to Barcelona flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Barcelona from Milwaukee.

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

If you are not ready to book a flight from Milwaukee to Barcelona now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Barcelona and let you know when they change.

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Find better results for your trip to Spain

Fly into one of these airports located in Barcelona

Airports listed have a maximum distance of 46.7 mi from Barcelona
Barcelona-El Prat Airport
Girona Costa Brava Airport