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Cheap flights from Milwaukee to Barcelona from $351

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 9/27. 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
1 adult, Economy, 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.
Iberia Logo
7:37 pm - 10:35 am
MKE
-
BCN
31h 58m
1 stop
Iberia Logo
5:30 pm - 5:49 pm
BCN
-
MKE
55h 19m
2 stops
$947Iberia
seg, ago 31 - sáb, dez 19
British Airways Logo
7:37 pm - 10:35 am
MKE
-
BCN
31h 58m
1 stop
British Airways Logo
6:40 am - 5:49 pm
BCN
-
MKE
18h 09m
2 stops
$980British Airways
seg, ago 31 - sáb, dez 19
Iberia Logo
7:37 pm - 8:25 am
MKE
-
BCN
53h 48m
2 stops
Iberia Logo
5:30 pm - 5:49 pm
BCN
-
MKE
55h 19m
2 stops
$1,046Iberia
seg, ago 31 - sáb, dez 19
British Airways Logo
4:26 pm - 10:55 am
MKE
-
BCN
11h 29m
1 stop
British Airways Logo
10:30 am - 5:07 pm
BCN
-
MKE
13h 37m
1 stop
$1,049British Airways
seg, mai 4 - qua, mai 13
British Airways Logo
6:40 pm - 4:25 pm
MKE
-
BCN
14h 45m
2 stops
British Airways Logo
10:30 am - 9:59 pm
BCN
-
MKE
18h 29m
1 stop
$1,051British Airways
seg, mai 4 - qua, mai 13
Delta Logo
6:45 am - 8:45 am
MKE
-
BCN
19h 00m
1 stop
Delta Logo
12:20 pm - 4:07 pm
BCN
-
MKE
34h 47m
2 stops
$1,054Delta
qui, jul 30 - seg, ago 10
Delta Logo
9:37 am - 8:35 am
MKE
-
BCN
15h 58m
2 stops
Delta Logo
12:20 pm - 4:07 pm
BCN
-
MKE
34h 47m
2 stops
$1,058Delta
qui, jul 30 - seg, ago 10
Multiple Airlines Logo
7:00 am - 1:40 pm
MKE
-
BCN
23h 40m
2 stops
Multiple Airlines Logo
7:00 pm - 5:51 pm
BCN
-
MKE
29h 51m
2 stops
$1,059Multiple Airlines
seg, mai 4 - qua, mai 13
Delta Logo
5:50 pm - 8:45 am
MKE
-
BCN
31h 55m
1 stop
Delta Logo
12:20 pm - 4:07 pm
BCN
-
MKE
34h 47m
2 stops
$1,060Delta
sex, jul 31 - seg, ago 10
Iberia Logo
7:37 pm - 10:35 am
MKE
-
BCN
31h 58m
1 stop
Iberia Logo
3:05 pm - 5:49 pm
BCN
-
MKE
33h 44m
2 stops
$1,090Iberia
seg, ago 31 - sáb, dez 19

United Airlines flights from Milwaukee to Barcelona

Our best United Airlines deals on Milwaukee to Barcelona flight tickets
United Airlines
May 19
MKE9:37 amMilwaukee-Mitchell
21h 48m
2 stops
BCN2:25 pmBarcelona-El Prat
May 26
BCN12:15 pmBarcelona-El Prat
28h 54m
2 stops
MKE10:09 amMilwaukee-Mitchell
$1,078
United Airlines
May 19
MKE9:37 amMilwaukee-Mitchell
21h 48m
2 stops
BCN2:25 pmBarcelona-El Prat
May 26
BCN3:15 pmBarcelona-El Prat
12h 31m
1 stop
MKE8:46 pmMilwaukee-Mitchell
$1,098
United Airlines
Jul 31
MKE8:55 pmMilwaukee-Mitchell
28h 05m
2 stops
BCN8:00 amBarcelona-El Prat
Aug 10
BCN7:55 amBarcelona-El Prat
18h 56m
2 stops
MKE7:51 pmMilwaukee-Mitchell
$1,113

British Airways flights from Milwaukee to Barcelona

Our best British Airways deals on Milwaukee to Barcelona flight tickets
British Airways
Aug 31
MKE7:37 pmMilwaukee-Mitchell
31h 58m
1 stop
BCN10:35 amBarcelona-El Prat
Dec 19
BCN6:40 amBarcelona-El Prat
18h 09m
2 stops
MKE5:49 pmMilwaukee-Mitchell
$980
British Airways
May 4
MKE4:26 pmMilwaukee-Mitchell
11h 29m
1 stop
BCN10:55 amBarcelona-El Prat
May 13
BCN10:30 amBarcelona-El Prat
13h 37m
1 stop
MKE5:07 pmMilwaukee-Mitchell
$1,049
British Airways
May 4
MKE6:40 pmMilwaukee-Mitchell
14h 45m
2 stops
BCN4:25 pmBarcelona-El Prat
May 13
BCN10:30 amBarcelona-El Prat
18h 29m
1 stop
MKE9:59 pmMilwaukee-Mitchell
$1,051

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 abril 9, 2026.
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

Cheapest round-trip

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

seg 8/31

7:37 pm-10:35 am

1 stop31h 58m

Barcelona-El Prat

sáb 12/19

5:30 pm-5:49 pm

2 stops55h 19m

$947

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

seg 8/31

7:37 pm-10:35 am

1 stop31h 58m

Barcelona-El Prat

sáb 12/19

6:40 am-5:49 pm

2 stops18h 09m

$980

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

seg 8/31

7:37 pm-8:25 am

2 stops53h 48m

Barcelona-El Prat

sáb 12/19

5:30 pm-5:49 pm

2 stops55h 19m

$1,046
Quickest round-trip

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

seg 5/4

4:26 pm-10:55 am

1 stop11h 29m

Barcelona-El Prat

qua 5/13

10:30 am-5:07 pm

1 stop13h 37m

$1,049

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

seg 5/4

6:40 pm-4:25 pm

2 stops14h 45m

Barcelona-El Prat

qua 5/13

10:30 am-9:59 pm

1 stop18h 29m

$1,051

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

qui 7/30

6:45 am-8:45 am

1 stop19h 00m

Barcelona-El Prat

seg 8/10

12:20 pm-4:07 pm

2 stops34h 47m

$1,054

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

qui 7/30

9:37 am-8:35 am

2 stops15h 58m

Barcelona-El Prat

seg 8/10

12:20 pm-4:07 pm

2 stops34h 47m

$1,058

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

seg 5/4

7:00 am-1:40 pm

2 stops23h 40m

Barcelona-El Prat

qua 5/13

7:00 pm-5:51 pm

2 stops29h 51m

$1,059

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

sex 7/31

5:50 pm-8:45 am

1 stop31h 55m

Barcelona-El Prat

seg 8/10

12:20 pm-4:07 pm

2 stops34h 47m

$1,060

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

seg 8/31

7:37 pm-10:35 am

1 stop31h 58m

Barcelona-El Prat

sáb 12/19

3:05 pm-5:49 pm

2 stops33h 44m

$1,090

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

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

11h 29m

Direct flights

None
The fastest flight from Milwaukee to Barcelona takes 11h 29m
There are no direct flights from Milwaukee to Barcelona. There are no popular flight routes from Milwaukee to Barcelona.
Search flight deals

Frequently asked questions about flying from Milwaukee to Barcelona

  • 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 11h 29m.

  • 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
British AirwaysPriceFrom $457Free CancellationRating
6.7
7,867 reviews
Search British Airways flights
United AirlinesPriceFrom $499Free CancellationRating
7.4
9,559 reviews
Search United Airlines flights
American AirlinesPriceFrom $609Free CancellationRating
7.1
11,562 reviews
Search American Airlines 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