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Cheap flights from Milwaukee to Barcelona from $380

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 1/30. 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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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.
Lufthansa Logo
11:29 am - 9:00 am
MKE
-
BCN
14h 31m1 stop
Lufthansa Logo
6:50 am - 10:13 pm
BCN
-
MKE
22h 23m2 stops
$422Lufthansa
Wed, Feb 4 - Fri, Feb 13
Lufthansa Logo
11:29 am - 9:00 am
MKE
-
BCN
14h 31m1 stop
Lufthansa Logo
11:00 am - 10:13 pm
BCN
-
MKE
18h 13m1 stop
$465Lufthansa
Wed, Feb 4 - Fri, Feb 13
United Airlines Logo
3:20 pm - 9:35 am
MKE
-
BCN
35h 15m2 stops
United Airlines Logo
1:35 pm - 1:53 pm
BCN
-
MKE
31h 18m2 stops
$468United Airlines
Tue, Jan 20 - Mon, Jan 26
Lufthansa Logo
11:29 am - 9:00 am
MKE
-
BCN
14h 31m1 stop
Lufthansa Logo
5:50 am - 8:55 pm
BCN
-
MKE
22h 05m2 stops
$469Lufthansa
Thu, Feb 5 - Fri, Feb 13
Multiple Airlines Logo
1:25 pm - 5:35 pm
MKE
-
BCN
21h 10m2 stops
Multiple Airlines Logo
1:35 pm - 3:35 pm
BCN
-
MKE
33h 00m2 stops
$472Multiple Airlines
Thu, Feb 26 - Tue, Mar 3
United Airlines Logo
8:33 am - 2:15 pm
MKE
-
BCN
22h 42m2 stops
United Airlines Logo
1:35 pm - 12:09 pm
BCN
-
MKE
29h 34m2 stops
$473United Airlines
Fri, Jan 16 - Tue, Jan 20
United Airlines Logo
10:30 am - 9:00 am
MKE
-
BCN
15h 30m2 stops
United Airlines Logo
11:00 am - 10:28 pm
BCN
-
MKE
18h 28m2 stops
$476United Airlines
Thu, Feb 5 - Sat, Feb 14
United Airlines Logo
7:00 am - 9:00 am
MKE
-
BCN
19h 00m2 stops
United Airlines Logo
6:50 am - 8:55 pm
BCN
-
MKE
21h 05m2 stops
$480United Airlines
Tue, Feb 3 - Tue, Feb 17
American Airlines Logo
1:04 pm - 11:35 am
MKE
-
BCN
15h 31m2 stops
American Airlines Logo
11:00 am - 11:54 pm
BCN
-
MKE
19h 54m1 stop
$481American Airlines
Fri, Feb 6 - Mon, Feb 16
United Airlines Logo
8:33 am - 9:00 am
MKE
-
BCN
17h 27m2 stops
United Airlines Logo
11:55 am - 8:55 pm
BCN
-
MKE
16h 00m2 stops
$482United Airlines
Fri, Feb 6 - Mon, Feb 16

United Airlines flights from Milwaukee to Barcelona

Our best United Airlines deals on Milwaukee to Barcelona flight tickets
United Airlines
Jan 20
MKE3:20 pmMilwaukee-Mitchell
35h 15m
2 stops
BCN9:35 amBarcelona-El Prat
Jan 26
BCN1:35 pmBarcelona-El Prat
31h 18m
2 stops
MKE1:53 pmMilwaukee-Mitchell
$468
Find similar
United Airlines
Mar 11
MKE6:00 amMilwaukee-Mitchell
26h 15m
2 stops
BCN2:15 pmBarcelona-El Prat
Mar 16
BCN12:35 pmBarcelona-El Prat
38h 10m
2 stops
MKE8:45 pmMilwaukee-Mitchell
$473
Find similar
United Airlines
Feb 5
MKE10:30 amMilwaukee-Mitchell
15h 30m
2 stops
BCN9:00 amBarcelona-El Prat
Feb 14
BCN11:00 amBarcelona-El Prat
18h 28m
2 stops
MKE10:28 pmMilwaukee-Mitchell
$476
Find similar

KLM flights from Milwaukee to Barcelona

Our best KLM deals on Milwaukee to Barcelona flight tickets
KLM
Feb 5
MKE12:17 pmMilwaukee-Mitchell
13h 23m
1 stop
BCN8:40 amBarcelona-El Prat
Feb 17
BCN11:10 amBarcelona-El Prat
19h 38m
2 stops
MKE11:48 pmMilwaukee-Mitchell
$483
Find similar
KLM
Feb 6
MKE6:29 pmMilwaukee-Mitchell
15h 01m
2 stops
BCN4:30 pmBarcelona-El Prat
Feb 17
BCN10:15 amBarcelona-El Prat
17h 21m
1 stop
MKE8:36 pmMilwaukee-Mitchell
$486
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 18, 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

Wed 2/4

11:29 am-9:00 am

1 stop14h 31m

Barcelona-El Prat

Fri 2/13

6:50 am-10:13 pm

2 stops22h 23m

$422

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Wed 2/4

11:29 am-9:00 am

1 stop14h 31m

Barcelona-El Prat

Fri 2/13

11:00 am-10:13 pm

1 stop18h 13m

$465

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Tue 1/20

3:20 pm-9:35 am

2 stops35h 15m

Barcelona-El Prat

Mon 1/26

1:35 pm-1:53 pm

2 stops31h 18m

$468

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Thu 2/5

11:29 am-9:00 am

1 stop14h 31m

Barcelona-El Prat

Fri 2/13

5:50 am-8:55 pm

2 stops22h 05m

$469

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Thu 2/26

1:25 pm-5:35 pm

2 stops21h 10m

Barcelona-El Prat

Tue 3/3

1:35 pm-3:35 pm

2 stops33h 00m

$472

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 1/16

8:33 am-2:15 pm

2 stops22h 42m

Barcelona-El Prat

Tue 1/20

1:35 pm-12:09 pm

2 stops29h 34m

$473

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Thu 2/5

10:30 am-9:00 am

2 stops15h 30m

Barcelona-El Prat

Sat 2/14

11:00 am-10:28 pm

2 stops18h 28m

$476

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Tue 2/3

7:00 am-9:00 am

2 stops19h 00m

Barcelona-El Prat

Tue 2/17

6:50 am-8:55 pm

2 stops21h 05m

$480

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 2/6

1:04 pm-11:35 am

2 stops15h 31m

Barcelona-El Prat

Mon 2/16

11:00 am-11:54 pm

1 stop19h 54m

$481

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 2/6

8:33 am-9:00 am

2 stops17h 27m

Barcelona-El Prat

Mon 2/16

11:55 am-8:55 pm

2 stops16h 00m

$482

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 $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

14h 31m

Direct flights

None
The fastest flight from Milwaukee to Barcelona takes 14h 31m
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 14h 31m.

  • 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
9,095 reviews
Search United Airlines flights
American AirlinesPriceFrom $609Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
DeltaPriceFrom $676Free CancellationRating
7.9
8,008 reviews
Search Delta flights
British AirwaysPriceFrom $689Free CancellationRating
6.7
7,586 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