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Cheap flights from Milwaukee to Barcelona from $238

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
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
7:00 am - 8:20 am
MKE
-
BCN
19h 20m
2 stops
United Airlines Logo
12:35 pm - 12:35 pm
BCN
-
MKE
30h 00m
2 stops
$470United Airlines
Tue, Mar 10 - Tue, Mar 17
American Airlines Logo
4:30 pm - 2:40 pm
MKE
-
BCN
15h 10m
2 stops
American Airlines Logo
12:30 pm - 8:24 pm
BCN
-
MKE
14h 54m
1 stop
$482American Airlines
Wed, Feb 4 - Sun, Feb 8
American Airlines Logo
12:07 pm - 8:50 am
MKE
-
BCN
13h 43m
1 stop
American Airlines Logo
12:30 pm - 8:24 pm
BCN
-
MKE
14h 54m
1 stop
$485American Airlines
Wed, Feb 4 - Sun, Feb 8
American Airlines Logo
4:05 pm - 2:40 pm
MKE
-
BCN
15h 35m
2 stops
American Airlines Logo
12:30 pm - 11:35 pm
BCN
-
MKE
18h 05m
2 stops
$486American Airlines
Wed, Feb 4 - Sun, Feb 8
American Airlines Logo
12:10 pm - 8:00 am
MKE
-
BCN
13h 50m
2 stops
American Airlines Logo
9:35 am - 11:18 pm
BCN
-
MKE
19h 43m
1 stop
$490American Airlines
Tue, Mar 10 - Tue, Mar 17
Lufthansa Logo
11:00 am - 5:45 pm
MKE
-
BCN
24h 45m
2 stops
Lufthansa Logo
6:20 pm - 9:50 pm
BCN
-
MKE
33h 30m
2 stops
$508Lufthansa
Tue, Mar 17 - Tue, Mar 24
British Airways Logo
2:46 pm - 1:40 pm
MKE
-
BCN
15h 54m
2 stops
British Airways Logo
6:40 am - 10:05 pm
BCN
-
MKE
22h 25m
2 stops
$509British Airways
Fri, Feb 6 - Tue, Feb 10
Delta Logo
7:00 am - 8:45 am
MKE
-
BCN
18h 45m
1 stop
Delta Logo
11:00 am - 9:04 am
BCN
-
MKE
29h 04m
1 stop
$630Delta
Mon, Mar 30 - Wed, Apr 8
Delta Logo
7:00 am - 8:45 am
MKE
-
BCN
18h 45m
1 stop
Delta Logo
11:00 am - 9:04 am
BCN
-
MKE
29h 04m
1 stop
$633Delta
Sun, Mar 29 - Wed, Apr 8
Delta Logo
12:27 pm - 9:00 am
MKE
-
BCN
13h 33m
2 stops
Delta Logo
11:00 am - 9:04 am
BCN
-
MKE
29h 04m
1 stop
$634Delta
Tue, Mar 31 - Wed, Apr 8

United Airlines flights from Milwaukee to Barcelona

Our best United Airlines deals on Milwaukee to Barcelona flight tickets
United Airlines
Mar 10
MKE7:00 amMilwaukee-Mitchell
19h 20m
2 stops
BCN8:20 amBarcelona-El Prat
Mar 17
BCN12:35 pmBarcelona-El Prat
30h 00m
2 stops
MKE12:35 pmMilwaukee-Mitchell
$470
United Airlines
Mar 29
MKE8:30 amMilwaukee-Mitchell
17h 50m
2 stops
BCN9:20 amBarcelona-El Prat
Apr 8
BCN1:50 pmBarcelona-El Prat
15h 25m
2 stops
MKE10:15 pmMilwaukee-Mitchell
$642
United Airlines
Mar 30
MKE2:32 pmMilwaukee-Mitchell
16h 43m
2 stops
BCN2:15 pmBarcelona-El Prat
Apr 9
BCN8:00 amBarcelona-El Prat
16h 55m
2 stops
MKE5:55 pmMilwaukee-Mitchell
$643

Lufthansa flights from Milwaukee to Barcelona

Our best Lufthansa deals on Milwaukee to Barcelona flight tickets
Lufthansa
Mar 17
MKE11:00 amMilwaukee-Mitchell
24h 45m
2 stops
BCN5:45 pmBarcelona-El Prat
Mar 24
BCN6:20 pmBarcelona-El Prat
33h 30m
2 stops
MKE9:50 pmMilwaukee-Mitchell
$508
Lufthansa
Feb 17
MKE1:25 pmMilwaukee-Mitchell
26h 40m
2 stops
BCN11:05 pmBarcelona-El Prat
Feb 23
BCN12:50 pmBarcelona-El Prat
16h 38m
2 stops
MKE10:28 pmMilwaukee-Mitchell
$661
Lufthansa
Feb 16
MKE11:39 amMilwaukee-Mitchell
20h 06m
2 stops
BCN2:45 pmBarcelona-El Prat
Mar 8
BCN7:40 amBarcelona-El Prat
20h 10m
2 stops
MKE8:50 pmMilwaukee-Mitchell
$663

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 January 25, 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

Tue 3/10

7:00 am-8:20 am

2 stops19h 20m

Barcelona-El Prat

Tue 3/17

12:35 pm-12:35 pm

2 stops30h 00m

$470

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Wed 2/4

4:30 pm-2:40 pm

2 stops15h 10m

Barcelona-El Prat

Sun 2/8

12:30 pm-8:24 pm

1 stop14h 54m

$482

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Wed 2/4

12:07 pm-8:50 am

1 stop13h 43m

Barcelona-El Prat

Sun 2/8

12:30 pm-8:24 pm

1 stop14h 54m

$485

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Wed 2/4

4:05 pm-2:40 pm

2 stops15h 35m

Barcelona-El Prat

Sun 2/8

12:30 pm-11:35 pm

2 stops18h 05m

$486

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Tue 3/10

12:10 pm-8:00 am

2 stops13h 50m

Barcelona-El Prat

Tue 3/17

9:35 am-11:18 pm

1 stop19h 43m

$490

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Tue 3/17

11:00 am-5:45 pm

2 stops24h 45m

Barcelona-El Prat

Tue 3/24

6:20 pm-9:50 pm

2 stops33h 30m

$508

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 2/6

2:46 pm-1:40 pm

2 stops15h 54m

Barcelona-El Prat

Tue 2/10

6:40 am-10:05 pm

2 stops22h 25m

$509

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 3/30

7:00 am-8:45 am

1 stop18h 45m

Barcelona-El Prat

Wed 4/8

11:00 am-9:04 am

1 stop29h 04m

$630

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Sun 3/29

7:00 am-8:45 am

1 stop18h 45m

Barcelona-El Prat

Wed 4/8

11:00 am-9:04 am

1 stop29h 04m

$633

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Tue 3/31

12:27 pm-9:00 am

2 stops13h 33m

Barcelona-El Prat

Wed 4/8

11:00 am-9:04 am

1 stop29h 04m

$634

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 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.

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 08m

Direct flights

None
The fastest flight from Milwaukee to Barcelona takes 11h 08m
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 11h 08m.

  • 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
7,699 reviews
Search British Airways flights
United AirlinesPriceFrom $508Free CancellationRating
7.4
9,198 reviews
Search United Airlines flights
American AirlinesPriceFrom $609Free CancellationRating
7.2
11,197 reviews
Search American Airlines flights
DeltaPriceFrom $676Free CancellationRating
7.9
8,111 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