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Cheap flights from Milwaukee to Barcelona from $401

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 5/4. 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.
British Airways Logo
4:26 pm - 10:55 am
MKE
-
BCN
11h 29m
1 stop
British Airways Logo
10:30 am - 11:40 pm
BCN
-
MKE
20h 10m
1 stop
$648British Airways
Mon, Apr 13 - Wed, Apr 22
British Airways Logo
1:53 pm - 12:05 pm
MKE
-
BCN
15h 12m
2 stops
British Airways Logo
10:30 am - 8:06 pm
BCN
-
MKE
16h 36m
1 stop
$651British Airways
Mon, Apr 13 - Wed, Apr 22
British Airways Logo
4:26 pm - 4:25 pm
MKE
-
BCN
16h 59m
2 stops
British Airways Logo
9:15 am - 6:00 pm
BCN
-
MKE
15h 45m
2 stops
$661British Airways
Mon, Apr 13 - Tue, Apr 21
Iberia Logo
1:53 pm - 10:55 am
MKE
-
BCN
14h 02m
1 stop
Iberia Logo
9:10 pm - 8:06 pm
BCN
-
MKE
29h 56m
2 stops
$675Iberia
Sun, Apr 19 - Tue, Apr 28
Iberia Logo
1:53 pm - 6:10 pm
MKE
-
BCN
21h 17m
2 stops
Iberia Logo
9:10 pm - 5:11 pm
BCN
-
MKE
27h 01m
2 stops
$684Iberia
Sun, Apr 19 - Tue, Apr 28
United Airlines Logo
5:37 pm - 1:15 pm
MKE
-
BCN
12h 38m
1 stop
United Airlines Logo
1:15 pm - 10:00 am
BCN
-
MKE
27h 45m
2 stops
$688United Airlines
Sun, Apr 19 - Tue, Apr 28
United Airlines Logo
2:32 pm - 1:15 pm
MKE
-
BCN
15h 43m
1 stop
United Airlines Logo
3:15 pm - 9:49 pm
BCN
-
MKE
13h 34m
1 stop
$703United Airlines
Sun, Apr 19 - Tue, Apr 28
United Airlines Logo
10:45 am - 8:20 am
MKE
-
BCN
14h 35m
2 stops
United Airlines Logo
12:00 pm - 10:30 pm
BCN
-
MKE
17h 30m
2 stops
$708United Airlines
Sun, Apr 19 - Tue, Apr 28
British Airways Logo
6:40 pm - 8:15 pm
MKE
-
BCN
18h 35m
2 stops
British Airways Logo
7:40 am - 5:11 pm
BCN
-
MKE
16h 31m
2 stops
$717British Airways
Fri, Apr 24 - Fri, May 1
British Airways Logo
4:26 pm - 4:00 pm
MKE
-
BCN
16h 34m
2 stops
British Airways Logo
10:30 am - 8:06 pm
BCN
-
MKE
16h 36m
1 stop
$729British Airways
Fri, Apr 24 - Fri, May 1

Delta flights from Milwaukee to Barcelona

Our best Delta deals on Milwaukee to Barcelona flight tickets
Delta
Aug 4
MKE10:25 amMilwaukee-Mitchell
19h 25m
1 stop
BCN12:50 pmBarcelona-El Prat
Aug 11
BCN6:10 amBarcelona-El Prat
16h 57m
2 stops
MKE4:07 pmMilwaukee-Mitchell
$841
Delta
Aug 4
MKE5:00 pmMilwaukee-Mitchell
14h 50m
2 stops
BCN2:50 pmBarcelona-El Prat
Aug 11
BCN6:10 amBarcelona-El Prat
16h 57m
2 stops
MKE4:07 pmMilwaukee-Mitchell
$845
Delta
May 12
MKE10:59 amMilwaukee-Mitchell
14h 46m
1 stop
BCN8:45 amBarcelona-El Prat
May 28
BCN11:00 amBarcelona-El Prat
13h 30m
1 stop
MKE5:30 pmMilwaukee-Mitchell
$892

British Airways flights from Milwaukee to Barcelona

Our best British Airways deals on Milwaukee to Barcelona flight tickets
British Airways
Apr 13
MKE4:26 pmMilwaukee-Mitchell
11h 29m
1 stop
BCN10:55 amBarcelona-El Prat
Apr 22
BCN10:30 amBarcelona-El Prat
20h 10m
1 stop
MKE11:40 pmMilwaukee-Mitchell
$648
British Airways
Apr 13
MKE4:26 pmMilwaukee-Mitchell
14h 59m
2 stops
BCN2:25 pmBarcelona-El Prat
Apr 21
BCN10:30 amBarcelona-El Prat
20h 10m
1 stop
MKE11:40 pmMilwaukee-Mitchell
$651
British Airways
Apr 13
MKE4:26 pmMilwaukee-Mitchell
16h 59m
2 stops
BCN4:25 pmBarcelona-El Prat
Apr 21
BCN9:15 amBarcelona-El Prat
15h 45m
2 stops
MKE6:00 pmMilwaukee-Mitchell
$661

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 March 13, 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

Mon 4/13

4:26 pm-10:55 am

1 stop11h 29m

Barcelona-El Prat

Wed 4/22

10:30 am-11:40 pm

1 stop20h 10m

$648

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 4/13

1:53 pm-12:05 pm

2 stops15h 12m

Barcelona-El Prat

Wed 4/22

10:30 am-8:06 pm

1 stop16h 36m

$651

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 4/13

4:26 pm-4:25 pm

2 stops16h 59m

Barcelona-El Prat

Tue 4/21

9:15 am-6:00 pm

2 stops15h 45m

$661

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Sun 4/19

1:53 pm-10:55 am

1 stop14h 02m

Barcelona-El Prat

Tue 4/28

9:10 pm-8:06 pm

2 stops29h 56m

$675

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Sun 4/19

1:53 pm-6:10 pm

2 stops21h 17m

Barcelona-El Prat

Tue 4/28

9:10 pm-5:11 pm

2 stops27h 01m

$684

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Sun 4/19

5:37 pm-1:15 pm

1 stop12h 38m

Barcelona-El Prat

Tue 4/28

1:15 pm-10:00 am

2 stops27h 45m

$688
Quickest round-trip

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Sun 4/19

2:32 pm-1:15 pm

1 stop15h 43m

Barcelona-El Prat

Tue 4/28

3:15 pm-9:49 pm

1 stop13h 34m

$703

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Sun 4/19

10:45 am-8:20 am

2 stops14h 35m

Barcelona-El Prat

Tue 4/28

12:00 pm-10:30 pm

2 stops17h 30m

$708

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 4/24

6:40 pm-8:15 pm

2 stops18h 35m

Barcelona-El Prat

Fri 5/1

7:40 am-5:11 pm

2 stops16h 31m

$717

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 4/24

4:26 pm-4:00 pm

2 stops16h 34m

Barcelona-El Prat

Fri 5/1

10:30 am-8:06 pm

1 stop16h 36m

$729

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 airline that flies from Milwaukee-Mitchell to Barcelona?

Aer Lingus is the most popular carrier 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 18 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

15h 06m

Direct flights

None
The fastest flight from Milwaukee to Barcelona takes 15h 06m
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 15h 06m.

  • 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
7,784 reviews
Search British Airways flights
United AirlinesPriceFrom $499Free CancellationRating
7.4
9,418 reviews
Search United Airlines flights
American AirlinesPriceFrom $609Free CancellationRating
7.1
11,449 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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Sun 4/12
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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