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Cheap flights from Milwaukee to Barcelona from $406

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 1/7. 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

Enter your travel dates to find the best prices.
Delta Logo
7:05 am - 8:00 amMKE-BCN
17h 55m1 stop
Delta Logo
10:15 am - 8:58 pmBCN-MKE
17h 43m1 stop
$459Delta
Find Deal
Fri, Jan 30 - Tue, Feb 3
Delta Logo
12:17 pm - 2:00 pmMKE-BCN
18h 43m2 stops
Delta Logo
10:15 am - 8:58 pmBCN-MKE
17h 43m1 stop
$463Delta
Find Deal
Fri, Jan 30 - Tue, Feb 3
United Airlines Logo
10:30 am - 9:00 amMKE-BCN
15h 30m2 stops
United Airlines Logo
1:35 pm - 1:53 pmBCN-MKE
31h 18m2 stops
$465United Airlines
Find Deal
Fri, Jan 30 - Tue, Feb 3
Delta Logo
10:13 am - 2:00 pmMKE-BCN
20h 47m2 stops
Delta Logo
10:15 am - 8:54 pmBCN-MKE
17h 39m2 stops
$467Delta
Find Deal
Fri, Jan 30 - Tue, Feb 3
United Airlines Logo
2:32 pm - 5:35 pmMKE-BCN
20h 03m2 stops
United Airlines Logo
1:35 pm - 2:05 pmBCN-MKE
31h 30m2 stops
$468United Airlines
Find Deal
Fri, Feb 6 - Mon, Feb 16
Lufthansa Logo
2:32 pm - 5:35 pmMKE-BCN
20h 03m2 stops
Lufthansa Logo
5:50 am - 3:35 pmBCN-MKE
16h 45m2 stops
$479Lufthansa
Find Deal
Fri, Feb 6 - Mon, Feb 16
KLM Logo
7:02 am - 8:00 amMKE-BCN
17h 58m1 stop
KLM Logo
10:15 am - 8:58 pmBCN-MKE
17h 43m1 stop
$484KLM
Find Deal
Fri, Jan 30 - Tue, Feb 3
Delta Logo
5:30 am - 8:00 amMKE-BCN
19h 30m2 stops
Delta Logo
10:15 am - 11:46 pmBCN-MKE
20h 31m2 stops
$488Delta
Find Deal
Fri, Jan 30 - Tue, Feb 3
Delta Logo
12:17 pm - 11:10 amMKE-BCN
15h 53m2 stops
Delta Logo
10:15 am - 8:54 pmBCN-MKE
17h 39m2 stops
$492Delta
Find Deal
Fri, Jan 30 - Tue, Feb 3
American Airlines Logo
12:13 pm - 11:20 amMKE-BCN
16h 07m2 stops
American Airlines Logo
10:40 am - 8:46 pmBCN-MKE
16h 06m1 stop
$568American Airlines
Find Deal
Mon, Feb 16 - Sun, Mar 8

Delta flights from Milwaukee to Barcelona

Our best Delta deals on Milwaukee to Barcelona flight tickets
Delta
Jan 30
MKE7:05 amMilwaukee-Mitchell
17h 55m
1 stop
BCN8:00 amBarcelona-El Prat
Feb 3
BCN10:15 amBarcelona-El Prat
17h 43m
1 stop
MKE8:58 pmMilwaukee-Mitchell
$459
Find similar
Delta
Jan 30
MKE12:17 pmMilwaukee-Mitchell
18h 43m
2 stops
BCN2:00 pmBarcelona-El Prat
Feb 3
BCN10:15 amBarcelona-El Prat
17h 43m
1 stop
MKE8:58 pmMilwaukee-Mitchell
$463
Find similar
Delta
Jan 30
MKE10:13 amMilwaukee-Mitchell
20h 47m
2 stops
BCN2:00 pmBarcelona-El Prat
Feb 3
BCN10:15 amBarcelona-El Prat
17h 39m
2 stops
MKE8:54 pmMilwaukee-Mitchell
$467
Find similar

United Airlines flights from Milwaukee to Barcelona

Our best United Airlines deals on Milwaukee to Barcelona flight tickets
United Airlines
Jan 30
MKE10:30 amMilwaukee-Mitchell
15h 30m
2 stops
BCN9:00 amBarcelona-El Prat
Feb 3
BCN1:35 pmBarcelona-El Prat
31h 18m
2 stops
MKE1:53 pmMilwaukee-Mitchell
$465
Find similar
United Airlines
Feb 6
MKE2:32 pmMilwaukee-Mitchell
20h 03m
2 stops
BCN5:35 pmBarcelona-El Prat
Feb 16
BCN1:35 pmBarcelona-El Prat
31h 30m
2 stops
MKE2:05 pmMilwaukee-Mitchell
$468
Find similar
United Airlines
Dec 1
MKE5:52 pmMilwaukee-Mitchell
12h 18m
1 stop
BCN1:10 pmBarcelona-El Prat
Dec 7
BCN1:55 pmBarcelona-El Prat
15h 35m
2 stops
MKE10:30 pmMilwaukee-Mitchell
$686
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 November 20, 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 1/30

7:05 am-8:00 am

1 stop17h 55m

Barcelona-El Prat

Tue 2/3

10:15 am-8:58 pm

1 stop17h 43m

$459

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 1/30

12:17 pm-2:00 pm

2 stops18h 43m

Barcelona-El Prat

Tue 2/3

10:15 am-8:58 pm

1 stop17h 43m

$463

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 1/30

10:30 am-9:00 am

2 stops15h 30m

Barcelona-El Prat

Tue 2/3

1:35 pm-1:53 pm

2 stops31h 18m

$465

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 1/30

10:13 am-2:00 pm

2 stops20h 47m

Barcelona-El Prat

Tue 2/3

10:15 am-8:54 pm

2 stops17h 39m

$467

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 2/6

2:32 pm-5:35 pm

2 stops20h 03m

Barcelona-El Prat

Mon 2/16

1:35 pm-2:05 pm

2 stops31h 30m

$468

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 2/6

2:32 pm-5:35 pm

2 stops20h 03m

Barcelona-El Prat

Mon 2/16

5:50 am-3:35 pm

2 stops16h 45m

$479

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 1/30

7:02 am-8:00 am

1 stop17h 58m

Barcelona-El Prat

Tue 2/3

10:15 am-8:58 pm

1 stop17h 43m

$484

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 1/30

5:30 am-8:00 am

2 stops19h 30m

Barcelona-El Prat

Tue 2/3

10:15 am-11:46 pm

2 stops20h 31m

$488

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 1/30

12:17 pm-11:10 am

2 stops15h 53m

Barcelona-El Prat

Tue 2/3

10:15 am-8:54 pm

2 stops17h 39m

$492

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 2/16

12:13 pm-11:20 am

2 stops16h 07m

Barcelona-El Prat

Sun 3/8

10:40 am-8:46 pm

1 stop16h 06m

$568

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 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

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 12h 18m.

  • 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
9,027 reviews
Search United Airlines flights
American AirlinesPriceFrom $609Free CancellationRating
7.2
11,045 reviews
Search American Airlines flights
DeltaPriceFrom $676Free CancellationRating
7.9
8,002 reviews
Search Delta flights
British AirwaysPriceFrom $689Free CancellationRating
6.7
7,533 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