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Cheap flights from Milwaukee to Barcelona from $256

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 8/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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.
United Airlines Logo
5:10 am - 8:00 am
MKE
-
BCN
19h 50m
2 stops
United Airlines Logo
12:15 pm - 10:20 pm
BCN
-
MKE
41h 05m
2 stops
$470United Airlines
Wed, Apr 15 - Tue, Apr 21
British Airways Logo
4:26 pm - 2:15 pm
MKE
-
BCN
14h 49m
2 stops
British Airways Logo
10:30 am - 8:06 pm
BCN
-
MKE
16h 36m
1 stop
$484British Airways
Wed, Apr 15 - Tue, Apr 21
American Airlines Logo
1:10 pm - 6:45 am
MKE
-
BCN
10h 35m
1 stop
American Airlines Logo
10:30 am - 8:06 pm
BCN
-
MKE
16h 36m
1 stop
$487American Airlines
Wed, Apr 15 - Tue, Apr 21
United Airlines Logo
5:29 pm - 8:00 am
MKE
-
BCN
31h 31m
2 stops
United Airlines Logo
3:15 pm - 11:59 pm
BCN
-
MKE
15h 44m
1 stop
$562United Airlines
Sat, Aug 1 - Thu, Sep 10
United Airlines Logo
5:10 am - 8:00 am
MKE
-
BCN
19h 50m
2 stops
United Airlines Logo
12:15 pm - 10:00 am
BCN
-
MKE
28h 45m
2 stops
$567United Airlines
Wed, Apr 15 - Tue, Apr 21
Air Canada Logo
5:32 pm - 8:00 am
MKE
-
BCN
55h 28m
2 stops
Air Canada Logo
1:15 pm - 11:32 am
BCN
-
MKE
29h 17m
2 stops
$577Air Canada
Mon, Apr 13 - Tue, Apr 21
British Airways Logo
1:53 pm - 10:35 am
MKE
-
BCN
13h 42m
1 stop
British Airways Logo
10:30 am - 8:06 pm
BCN
-
MKE
16h 36m
1 stop
$579British Airways
Wed, Apr 15 - Tue, Apr 21
British Airways Logo
6:30 pm - 3:55 pm
MKE
-
BCN
14h 25m
2 stops
British Airways Logo
10:30 am - 5:11 pm
BCN
-
MKE
13h 41m
1 stop
$581British Airways
Wed, Apr 8 - Wed, Apr 15
Air Canada Logo
10:45 am - 9:20 am
MKE
-
BCN
39h 35m
2 stops
Air Canada Logo
1:15 pm - 11:32 am
BCN
-
MKE
29h 17m
2 stops
$582Air Canada
Sun, Apr 12 - Wed, Apr 22
United Airlines Logo
7:27 pm - 1:15 pm
MKE
-
BCN
10h 48m
1 stop
United Airlines Logo
3:15 pm - 10:20 pm
BCN
-
MKE
14h 05m
1 stop
$584United Airlines
Sun, Apr 12 - Tue, Apr 21

Delta flights from Milwaukee to Barcelona

Our best Delta deals on Milwaukee to Barcelona flight tickets
Delta
Mar 23
MKE10:44 amMilwaukee-Mitchell
16h 06m
2 stops
BCN8:50 amBarcelona-El Prat
Apr 1
BCN11:00 amBarcelona-El Prat
16h 55m
1 stop
MKE8:55 pmMilwaukee-Mitchell
$628
Delta
Mar 23
MKE10:44 amMilwaukee-Mitchell
16h 06m
2 stops
BCN8:50 amBarcelona-El Prat
Apr 1
BCN11:10 amBarcelona-El Prat
16h 30m
2 stops
MKE8:40 pmMilwaukee-Mitchell
$633
Delta
Mar 24
MKE1:15 pmMilwaukee-Mitchell
18h 45m
2 stops
BCN2:00 pmBarcelona-El Prat
Mar 31
BCN11:00 amBarcelona-El Prat
29h 04m
1 stop
MKE9:04 amMilwaukee-Mitchell
$634

Scandinavian Airlines flights from Milwaukee to Barcelona

Our best Scandinavian Airlines deals on Milwaukee to Barcelona flight tickets
Scandinavian Airlines
Mar 22
MKE6:52 pmMilwaukee-Mitchell
30h 43m
1 stop
BCN7:35 amBarcelona-El Prat
Mar 31
BCN6:20 amBarcelona-El Prat
16h 46m
2 stops
MKE4:06 pmMilwaukee-Mitchell
$718
Scandinavian Airlines
Apr 13
MKE7:10 amMilwaukee-Mitchell
28h 00m
2 stops
BCN6:10 pmBarcelona-El Prat
Apr 18
BCN11:50 amBarcelona-El Prat
39h 35m
2 stops
MKE8:25 pmMilwaukee-Mitchell
$746

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 February 23, 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

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Wed 4/15

5:10 am-8:00 am

2 stops19h 50m

Barcelona-El Prat

Tue 4/21

12:15 pm-10:20 pm

2 stops41h 05m

$470

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Wed 4/15

4:26 pm-2:15 pm

2 stops14h 49m

Barcelona-El Prat

Tue 4/21

10:30 am-8:06 pm

1 stop16h 36m

$484

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Wed 4/15

1:10 pm-6:45 am

1 stop10h 35m

Barcelona-El Prat

Tue 4/21

10:30 am-8:06 pm

1 stop16h 36m

$487

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Sat 8/1

5:29 pm-8:00 am

2 stops31h 31m

Barcelona-El Prat

Thu 9/10

3:15 pm-11:59 pm

1 stop15h 44m

$562

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Wed 4/15

5:10 am-8:00 am

2 stops19h 50m

Barcelona-El Prat

Tue 4/21

12:15 pm-10:00 am

2 stops28h 45m

$567

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 4/13

5:32 pm-8:00 am

2 stops55h 28m

Barcelona-El Prat

Tue 4/21

1:15 pm-11:32 am

2 stops29h 17m

$577

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Wed 4/15

1:53 pm-10:35 am

1 stop13h 42m

Barcelona-El Prat

Tue 4/21

10:30 am-8:06 pm

1 stop16h 36m

$579

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Wed 4/8

6:30 pm-3:55 pm

2 stops14h 25m

Barcelona-El Prat

Wed 4/15

10:30 am-5:11 pm

1 stop13h 41m

$581

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Sun 4/12

10:45 am-9:20 am

2 stops39h 35m

Barcelona-El Prat

Wed 4/22

1:15 pm-11:32 am

2 stops29h 17m

$582

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Sun 4/12

7:27 pm-1:15 pm

1 stop10h 48m

Barcelona-El Prat

Tue 4/21

3:15 pm-10:20 pm

1 stop14h 05m

$584

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 airline that flies from Milwaukee-Mitchell to Barcelona?

United Airlines, British Airways, and Air Canada are the most popular carriers operating from Milwaukee-Mitchell to Barcelona

What airlines fly to Barcelona?

United Airlines, American Airlines and Iberia are the top three most popular airlines that fly to Barcelona from Milwaukee according to our data. United Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Barcelona. Keep in mind that there are 17 different airlines that fly to Barcelona on a routine basis, so you have a few additional options to choose from.

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

13h 30m

Direct flights

None
The fastest flight from Milwaukee to Barcelona takes 13h 30m
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 30m.

  • 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
7,759 reviews
Search British Airways flights
United AirlinesPriceFrom $499Free CancellationRating
7.4
9,342 reviews
Search United Airlines flights
American AirlinesPriceFrom $609Free CancellationRating
7.2
11,339 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.

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