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Cheap flights from Milwaukee to Barcelona from $427

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 7/28. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Milwaukee to Barcelona

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
8:14 pm - 5:35 pm
MKE
-
BCN
14h 21m
2 stops
American Airlines Logo
12:50 pm - 11:47 pm
BCN
-
MKE
17h 57m
1 stop
$769American Airlines
Mon, Sep 28 - Tue, Oct 6
American Airlines Logo
7:30 am - 10:35 am
MKE
-
BCN
20h 05m
1 stop
American Airlines Logo
12:50 pm - 11:47 pm
BCN
-
MKE
17h 57m
1 stop
$773American Airlines
Mon, Sep 28 - Tue, Oct 6
American Airlines Logo
8:14 pm - 5:35 pm
MKE
-
BCN
14h 21m
2 stops
American Airlines Logo
9:15 am - 5:40 pm
BCN
-
MKE
15h 25m
2 stops
$780American Airlines
Mon, Sep 28 - Tue, Oct 6
American Airlines Logo
7:30 am - 10:35 am
MKE
-
BCN
20h 05m
1 stop
American Airlines Logo
9:15 am - 5:40 pm
BCN
-
MKE
15h 25m
2 stops
$784American Airlines
Mon, Sep 28 - Tue, Oct 6
United Airlines Logo
2:20 pm - 1:15 pm
MKE
-
BCN
15h 55m
1 stop
United Airlines Logo
3:15 pm - 10:59 pm
BCN
-
MKE
14h 44m
1 stop
$803United Airlines
Mon, Oct 12 - Fri, Oct 16
United Airlines Logo
3:52 pm - 1:15 pm
MKE
-
BCN
14h 23m
1 stop
United Airlines Logo
10:25 am - 7:07 am
BCN
-
MKE
27h 42m
2 stops
$806United Airlines
Mon, Oct 12 - Fri, Oct 16
United Airlines Logo
3:52 pm - 2:30 pm
MKE
-
BCN
15h 38m
2 stops
United Airlines Logo
11:15 am - 7:10 pm
BCN
-
MKE
14h 55m
2 stops
$816United Airlines
Mon, Oct 12 - Fri, Oct 16
American Airlines Logo
6:48 pm - 4:30 pm
MKE
-
BCN
14h 42m
2 stops
American Airlines Logo
12:00 pm - 12:01 am
BCN
-
MKE
19h 01m
2 stops
$824American Airlines
Fri, Nov 27 - Fri, Dec 11
American Airlines Logo
10:08 am - 9:10 am
MKE
-
BCN
16h 02m
1 stop
American Airlines Logo
12:00 pm - 12:01 am
BCN
-
MKE
19h 01m
2 stops
$828American Airlines
Fri, Nov 27 - Fri, Dec 11
British Airways Logo
7:03 pm - 6:25 pm
MKE
-
BCN
16h 22m
2 stops
British Airways Logo
6:40 am - 5:43 pm
BCN
-
MKE
18h 03m
2 stops
$837British Airways
Wed, Nov 4 - Sun, Nov 22

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American Airlines flights from Milwaukee to Barcelona

Our best American Airlines deals on Milwaukee to Barcelona flight tickets
American Airlines
Sep 28
MKE8:14 pmMilwaukee-Mitchell
14h 21m
2 stops
BCN5:35 pmBarcelona-El Prat
Oct 6
BCN12:50 pmBarcelona-El Prat
17h 57m
1 stop
MKE11:47 pmMilwaukee-Mitchell
$769
American Airlines
Sep 28
MKE7:30 amMilwaukee-Mitchell
20h 05m
1 stop
BCN10:35 amBarcelona-El Prat
Oct 6
BCN12:50 pmBarcelona-El Prat
17h 57m
1 stop
MKE11:47 pmMilwaukee-Mitchell
$773
American Airlines
Sep 28
MKE8:14 pmMilwaukee-Mitchell
14h 21m
2 stops
BCN5:35 pmBarcelona-El Prat
Oct 6
BCN9:15 amBarcelona-El Prat
15h 25m
2 stops
MKE5:40 pmMilwaukee-Mitchell
$780

United Airlines flights from Milwaukee to Barcelona

Our best United Airlines deals on Milwaukee to Barcelona flight tickets
United Airlines
Oct 12
MKE2:20 pmMilwaukee-Mitchell
15h 55m
1 stop
BCN1:15 pmBarcelona-El Prat
Oct 16
BCN3:15 pmBarcelona-El Prat
14h 44m
1 stop
MKE10:59 pmMilwaukee-Mitchell
$803
United Airlines
Oct 12
MKE3:52 pmMilwaukee-Mitchell
14h 23m
1 stop
BCN1:15 pmBarcelona-El Prat
Oct 16
BCN10:25 amBarcelona-El Prat
27h 42m
2 stops
MKE7:07 amMilwaukee-Mitchell
$806
United Airlines
Oct 12
MKE3:52 pmMilwaukee-Mitchell
15h 38m
2 stops
BCN2:30 pmBarcelona-El Prat
Oct 16
BCN11:15 amBarcelona-El Prat
14h 55m
2 stops
MKE7:10 pmMilwaukee-Mitchell
$816

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 June 15, 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 9/28

8:14 pm-5:35 pm

2 stops14h 21m

Barcelona-El Prat

Tue 10/6

12:50 pm-11:47 pm

1 stop17h 57m

$769

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 9/28

7:30 am-10:35 am

1 stop20h 05m

Barcelona-El Prat

Tue 10/6

12:50 pm-11:47 pm

1 stop17h 57m

$773
Quickest round-trip

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 9/28

8:14 pm-5:35 pm

2 stops14h 21m

Barcelona-El Prat

Tue 10/6

9:15 am-5:40 pm

2 stops15h 25m

$780

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 9/28

7:30 am-10:35 am

1 stop20h 05m

Barcelona-El Prat

Tue 10/6

9:15 am-5:40 pm

2 stops15h 25m

$784

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 10/12

2:20 pm-1:15 pm

1 stop15h 55m

Barcelona-El Prat

Fri 10/16

3:15 pm-10:59 pm

1 stop14h 44m

$803

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 10/12

3:52 pm-1:15 pm

1 stop14h 23m

Barcelona-El Prat

Fri 10/16

10:25 am-7:07 am

2 stops27h 42m

$806

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 10/12

3:52 pm-2:30 pm

2 stops15h 38m

Barcelona-El Prat

Fri 10/16

11:15 am-7:10 pm

2 stops14h 55m

$816

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 11/27

6:48 pm-4:30 pm

2 stops14h 42m

Barcelona-El Prat

Fri 12/11

12:00 pm-12:01 am

2 stops19h 01m

$824

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 11/27

10:08 am-9:10 am

1 stop16h 02m

Barcelona-El Prat

Fri 12/11

12:00 pm-12:01 am

2 stops19h 01m

$828

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Wed 11/4

7:03 pm-6:25 pm

2 stops16h 22m

Barcelona-El Prat

Sun 11/22

6:40 am-5:43 pm

2 stops18h 03m

$837

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 typical price of a round-trip flight between Milwaukee and Barcelona?

What is the cheapest month to fly to Barcelona?

The month of February is, on average, the cheapest month to fly to Barcelona from Milwaukee, with most prices found around $0. If you don’t want to visit Barcelona in February, then you should wait until March to fly from Milwaukee, when ticket prices are also cheap, with an average price of $457.

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 21m

Direct flights

None
The fastest flight from Milwaukee to Barcelona takes 14h 21m
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 14h 21m.

  • 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
8,050 reviews
Search British Airways flights
United AirlinesPriceFrom $499Free CancellationRating
7.4
9,831 reviews
Search United Airlines flights
American AirlinesPriceFrom $609Free CancellationRating
7.1
11,660 reviews
Search American Airlines flights
DeltaPriceFrom $689Free CancellationRating
7.9
8,397 reviews
Search Delta 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