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Cheap flights from Milwaukee to Barcelona from $453

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 10/15. 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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Find the cheapest flights from Milwaukee to Barcelona

Cheap round-trip flights

Multiple Airlines Logo
10:29 am - 9:20 amMKE-BCN
15h 51m1 stop
Multiple Airlines Logo
11:35 am - 8:42 pmBCN-MKE
16h 07m1 stop
$528Multiple Airlines
Find Deal
Sun, Oct 5 - Tue, Oct 21
American Airlines Logo
11:50 am - 9:00 amMKE-BCN
14h 10m1 stop
American Airlines Logo
10:40 am - 8:46 pmBCN-MKE
17h 06m1 stop
$555American Airlines
Find Deal
Sun, Feb 22 - Tue, Mar 3
Delta Logo
7:05 am - 6:00 amMKE-BCN
15h 55m2 stops
Delta Logo
11:35 am - 8:42 pmBCN-MKE
16h 07m1 stop
$557Delta
Find Deal
Sun, Oct 5 - Tue, Oct 21
American Airlines Logo
10:05 am - 9:00 amMKE-BCN
15h 55m2 stops
American Airlines Logo
10:40 am - 8:46 pmBCN-MKE
17h 06m1 stop
$559American Airlines
Find Deal
Sun, Feb 22 - Tue, Mar 3
Delta Logo
7:05 am - 6:00 amMKE-BCN
15h 55m2 stops
Delta Logo
9:15 am - 8:42 pmBCN-MKE
18h 27m2 stops
$599Delta
Find Deal
Sun, Oct 5 - Tue, Oct 21
United Airlines Logo
3:49 pm - 1:10 pmMKE-BCN
15h 21m1 stop
United Airlines Logo
1:35 pm - 5:17 pmBCN-MKE
34h 42m2 stops
$610United Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
British Airways Logo
4:54 pm - 5:55 pmMKE-BCN
18h 01m2 stops
British Airways Logo
6:40 am - 8:16 pmBCN-MKE
20h 36m2 stops
$632British Airways
Find Deal
Mon, Feb 16 - Sun, Mar 8
United Airlines Logo
5:13 pm - 1:10 pmMKE-BCN
13h 57m1 stop
United Airlines Logo
3:05 pm - 8:50 pmBCN-MKE
12h 45m1 stop
$633United Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
Air Canada Logo
7:00 am - 9:35 amMKE-BCN
19h 35m3 stops
Air Canada Logo
1:35 pm - 12:09 pmBCN-MKE
29h 34m3 stops
$651Air Canada
Find Deal
Fri, Jan 23 - Tue, Jan 27
Air Canada Logo
8:44 am - 8:35 amMKE-BCN
17h 51m3 stops
Air Canada Logo
9:55 am - 10:43 pmBCN-MKE
19h 48m3 stops
$781Air Canada
Find Deal
Thu, Oct 30 - Thu, Nov 6

Air Canada flights from Milwaukee to Barcelona

Our best Air Canada deals on Milwaukee to Barcelona flight tickets
Air Canada
Jan 23
MKE7:00 amMilwaukee-Mitchell
19h 35m
3 stops
BCN9:35 amBarcelona-El Prat
Jan 27
BCN1:35 pmBarcelona-El Prat
29h 34m
3 stops
MKE12:09 pmMilwaukee-Mitchell
$651
Find similar
Air Canada
Oct 30
MKE8:44 amMilwaukee-Mitchell
17h 51m
3 stops
BCN8:35 amBarcelona-El Prat
Nov 6
BCN9:55 amBarcelona-El Prat
19h 48m
3 stops
MKE10:43 pmMilwaukee-Mitchell
$781
Find similar
Air Canada
Feb 22
MKE11:30 amMilwaukee-Mitchell
19h 35m
3 stops
BCN2:05 pmBarcelona-El Prat
Mar 3
BCN9:55 amBarcelona-El Prat
19h 00m
3 stops
MKE9:55 pmMilwaukee-Mitchell
$866
Find similar

American Airlines flights from Milwaukee to Barcelona

Our best American Airlines deals on Milwaukee to Barcelona flight tickets
American Airlines
Feb 22
MKE11:50 amMilwaukee-Mitchell
14h 10m
1 stop
BCN9:00 amBarcelona-El Prat
Mar 3
BCN10:40 amBarcelona-El Prat
17h 06m
1 stop
MKE8:46 pmMilwaukee-Mitchell
$555
Find similar
American Airlines
Feb 22
MKE10:05 amMilwaukee-Mitchell
15h 55m
2 stops
BCN9:00 amBarcelona-El Prat
Mar 3
BCN10:40 amBarcelona-El Prat
17h 06m
1 stop
MKE8:46 pmMilwaukee-Mitchell
$559
Find similar
American Airlines
Jan 23
MKE11:47 amMilwaukee-Mitchell
14h 13m
1 stop
BCN9:00 amBarcelona-El Prat
Jan 27
BCN10:40 amBarcelona-El Prat
19h 24m
1 stop
MKE11:04 pmMilwaukee-Mitchell
$605
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 September 17, 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

Sun 10/5

10:29 am-9:20 am

1 stop15h 51m

Barcelona-El Prat

Tue 10/21

11:35 am-8:42 pm

1 stop16h 07m

$528

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Sun 2/22

11:50 am-9:00 am

1 stop14h 10m

Barcelona-El Prat

Tue 3/3

10:40 am-8:46 pm

1 stop17h 06m

$555

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Sun 10/5

7:05 am-6:00 am

2 stops15h 55m

Barcelona-El Prat

Tue 10/21

11:35 am-8:42 pm

1 stop16h 07m

$557

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Sun 2/22

10:05 am-9:00 am

2 stops15h 55m

Barcelona-El Prat

Tue 3/3

10:40 am-8:46 pm

1 stop17h 06m

$559

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Sun 10/5

7:05 am-6:00 am

2 stops15h 55m

Barcelona-El Prat

Tue 10/21

9:15 am-8:42 pm

2 stops18h 27m

$599

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Thu 10/30

3:49 pm-1:10 pm

1 stop15h 21m

Barcelona-El Prat

Thu 11/6

1:35 pm-5:17 pm

2 stops34h 42m

$610

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 2/16

4:54 pm-5:55 pm

2 stops18h 01m

Barcelona-El Prat

Sun 3/8

6:40 am-8:16 pm

2 stops20h 36m

$632

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Thu 10/30

5:13 pm-1:10 pm

1 stop13h 57m

Barcelona-El Prat

Thu 11/6

3:05 pm-8:50 pm

1 stop12h 45m

$633

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 1/23

7:00 am-9:35 am

3 stops19h 35m

Barcelona-El Prat

Tue 1/27

1:35 pm-12:09 pm

3 stops29h 34m

$651

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Thu 10/30

8:44 am-8:35 am

3 stops17h 51m

Barcelona-El Prat

Thu 11/6

9:55 am-10:43 pm

3 stops19h 48m

$781

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

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?

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 $574. If you don’t want to visit Barcelona in November, then you should wait until January to fly from Milwaukee, when ticket prices are also cheap, with an average price of $642.

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

Direct flights

None
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 17m.

  • 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 $580Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
American AirlinesPriceFrom $637Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $676Free CancellationRating
7.9
7,961 reviews
Search Delta flights
British AirwaysPriceFrom $689Free CancellationRating
6.7
7,367 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