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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.
American Airlines Logo
4:05 pm - 2:40 pm
MKE
-
BCN
15h 35m2 stops
American Airlines Logo
10:40 am - 9:59 pm
BCN
-
MKE
18h 19m1 stop
$480American Airlines
mié., ene. 14 - dom., ene. 18
British Airways Logo
6:58 pm - 4:05 pm
MKE
-
BCN
14h 07m2 stops
British Airways Logo
8:40 pm - 10:02 pm
BCN
-
MKE
32h 22m2 stops
$481British Airways
sáb., ene. 24 - sáb., ene. 31
British Airways Logo
1:04 pm - 10:35 pm
MKE
-
BCN
26h 31m2 stops
British Airways Logo
6:40 am - 5:47 pm
BCN
-
MKE
18h 07m2 stops
$482British Airways
vie., feb. 6 - lun., feb. 16
KLM Logo
11:07 am - 8:40 am
MKE
-
BCN
14h 33m1 stop
KLM Logo
10:15 am - 8:58 pm
BCN
-
MKE
17h 43m1 stop
$484KLM
sáb., ene. 24 - sáb., ene. 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
mié., ene. 14 - dom., ene. 18
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
vie., feb. 6 - lun., feb. 16
United Airlines Logo
5:00 am - 9:35 am
MKE
-
BCN
21h 35m2 stops
United Airlines Logo
6:50 am - 1:53 pm
BCN
-
MKE
38h 03m2 stops
$491United Airlines
mié., ene. 14 - dom., ene. 18
United Airlines Logo
6:00 am - 8:20 am
MKE
-
BCN
20h 20m2 stops
United Airlines Logo
1:45 pm - 10:30 am
BCN
-
MKE
26h 45m2 stops
$492United Airlines
mié., mar. 11 - lun., mar. 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
mié., ene. 14 - dom., ene. 18
American Airlines Logo
11:52 am - 8:50 am
MKE
-
BCN
13h 58m1 stop
American Airlines Logo
10:10 am - 11:05 pm
BCN
-
MKE
18h 55m2 stops
$499American Airlines
lun., feb. 16 - dom., mar. 8

United Airlines flights from Milwaukee to Barcelona

Our best United Airlines deals on Milwaukee to Barcelona flight tickets
United Airlines
Jan 14
MKE5:00 amMilwaukee-Mitchell
21h 35m
2 stops
BCN9:35 amBarcelona-El Prat
Jan 18
BCN6:50 amBarcelona-El Prat
38h 03m
2 stops
MKE1:53 pmMilwaukee-Mitchell
$491
Find similar
United Airlines
Mar 11
MKE6:00 amMilwaukee-Mitchell
20h 20m
2 stops
BCN8:20 amBarcelona-El Prat
Mar 16
BCN1:45 pmBarcelona-El Prat
26h 45m
2 stops
MKE10:30 amMilwaukee-Mitchell
$492
Find similar
United Airlines
Jan 14
MKE11:30 amMilwaukee-Mitchell
23h 05m
2 stops
BCN5:35 pmBarcelona-El Prat
Jan 18
BCN6:50 amBarcelona-El Prat
20h 58m
2 stops
MKE8:48 pmMilwaukee-Mitchell
$495
Find similar

Lufthansa flights from Milwaukee to Barcelona

Our best Lufthansa deals on Milwaukee to Barcelona flight tickets
Lufthansa
May 19
MKE5:46 pmMilwaukee-Mitchell
17h 29m
2 stops
BCN6:15 pmBarcelona-El Prat
May 29
BCN3:15 pmBarcelona-El Prat
13h 54m
1 stop
MKE10:09 pmMilwaukee-Mitchell
$778
Find similar
Lufthansa
May 19
MKE5:46 pmMilwaukee-Mitchell
17h 29m
2 stops
BCN6:15 pmBarcelona-El Prat
May 29
BCN7:50 amBarcelona-El Prat
22h 37m
2 stops
MKE11:27 pmMilwaukee-Mitchell
$782
Find similar
Lufthansa
Mar 13
MKE5:51 pmMilwaukee-Mitchell
33h 09m
1 stop
BCN9:00 amBarcelona-El Prat
Mar 22
BCN6:50 pmBarcelona-El Prat
33h 00m
2 stops
MKE9:50 pmMilwaukee-Mitchell
$878
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 diciembre 11, 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

mié. 1/14

4:05 pm-2:40 pm

2 stops15h 35m

Barcelona-El Prat

dom. 1/18

10:40 am-9:59 pm

1 stop18h 19m

$480

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

sáb. 1/24

6:58 pm-4:05 pm

2 stops14h 07m

Barcelona-El Prat

sáb. 1/31

8:40 pm-10:02 pm

2 stops32h 22m

$481

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

vie. 2/6

1:04 pm-10:35 pm

2 stops26h 31m

Barcelona-El Prat

lun. 2/16

6:40 am-5:47 pm

2 stops18h 07m

$482

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

sáb. 1/24

11:07 am-8:40 am

1 stop14h 33m

Barcelona-El Prat

sáb. 1/31

10:15 am-8:58 pm

1 stop17h 43m

$484

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

mié. 1/14

4:05 pm-2:40 pm

2 stops15h 35m

Barcelona-El Prat

dom. 1/18

12:30 pm-11:35 pm

2 stops18h 05m

$485

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

vie. 2/6

7:05 am-8:00 am

1 stop17h 55m

Barcelona-El Prat

lun. 2/16

6:00 am-5:34 pm

2 stops18h 34m

$490

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

mié. 1/14

5:00 am-9:35 am

2 stops21h 35m

Barcelona-El Prat

dom. 1/18

6:50 am-1:53 pm

2 stops38h 03m

$491

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

mié. 3/11

6:00 am-8:20 am

2 stops20h 20m

Barcelona-El Prat

lun. 3/16

1:45 pm-10:30 am

2 stops26h 45m

$492

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

mié. 1/14

11:30 am-5:35 pm

2 stops23h 05m

Barcelona-El Prat

dom. 1/18

6:50 am-8:48 pm

2 stops20h 58m

$495

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

lun. 2/16

11:52 am-8:50 am

1 stop13h 58m

Barcelona-El Prat

dom. 3/8

10:10 am-11:05 pm

2 stops18h 55m

$499

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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

14h 07m

Direct flights

None
The fastest flight from Milwaukee to Barcelona takes 14h 07m
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 07m.

  • 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
11,048 reviews
Search American Airlines flights
DeltaPriceFrom $676Free CancellationRating
7.9
8,009 reviews
Search Delta flights
British AirwaysPriceFrom $689Free CancellationRating
6.7
7,571 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.

An easier way to manage your Barcelona trip

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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