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Cheap flights from Milwaukee to Barcelona from $431

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 9/17. 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.
American Airlines Logo
6:06 am - 7:35 am
MKE
-
BCN
18h 29m
1 stop
American Airlines Logo
12:50 pm - 11:47 pm
BCN
-
MKE
17h 57m
1 stop
$773American Airlines
lun., sep. 28 - mar., oct. 6
American Airlines Logo
2:48 pm - 12:00 pm
MKE
-
BCN
14h 12m
2 stops
American Airlines Logo
12:50 pm - 7:42 pm
BCN
-
MKE
13h 52m
1 stop
$778American Airlines
mié., sep. 23 - mié., sep. 30
United Airlines Logo
10:42 am - 1:15 pm
MKE
-
BCN
19h 33m
1 stop
United Airlines Logo
12:15 pm - 1:43 pm
BCN
-
MKE
32h 28m
2 stops
$783United Airlines
lun., sep. 28 - mar., oct. 6
American Airlines Logo
8:14 pm - 5:35 pm
MKE
-
BCN
14h 21m
2 stops
American Airlines Logo
7:40 am - 5:40 pm
BCN
-
MKE
17h 00m
2 stops
$785American Airlines
lun., sep. 28 - mar., oct. 6
United Airlines Logo
5:00 am - 8:00 am
MKE
-
BCN
20h 00m
2 stops
United Airlines Logo
12:15 pm - 1:43 pm
BCN
-
MKE
32h 28m
2 stops
$786United Airlines
lun., sep. 28 - mar., oct. 6
British Airways Logo
8:14 pm - 6:35 pm
MKE
-
BCN
15h 21m
2 stops
British Airways Logo
7:40 am - 6:21 pm
BCN
-
MKE
17h 41m
2 stops
$787British Airways
mié., sep. 23 - mié., sep. 30
American Airlines Logo
10:21 am - 7:35 am
MKE
-
BCN
14h 14m
1 stop
American Airlines Logo
12:50 pm - 11:47 pm
BCN
-
MKE
17h 57m
1 stop
$788American Airlines
lun., sep. 28 - mar., oct. 6
American Airlines Logo
10:21 am - 7:35 am
MKE
-
BCN
14h 14m
1 stop
American Airlines Logo
7:40 am - 5:40 pm
BCN
-
MKE
17h 00m
2 stops
$789American Airlines
lun., sep. 28 - mar., oct. 6
British Airways Logo
1:18 pm - 10:35 am
MKE
-
BCN
14h 17m
1 stop
British Airways Logo
10:15 am - 8:03 pm
BCN
-
MKE
16h 48m
2 stops
$802British Airways
mar., sep. 22 - jue., oct. 1
United Airlines Logo
6:47 pm - 1:15 pm
MKE
-
BCN
11h 28m
1 stop
United Airlines Logo
3:15 pm - 9:35 pm
BCN
-
MKE
13h 20m
1 stop
$803United Airlines
dom., sep. 20 - mar., sep. 29

American Airlines flights from Milwaukee to Barcelona

Our best American Airlines deals on Milwaukee to Barcelona flight tickets
American Airlines
Sep 28
MKE6:06 amMilwaukee-Mitchell
18h 29m
1 stop
BCN7:35 amBarcelona-El Prat
Oct 6
BCN12:50 pmBarcelona-El Prat
17h 57m
1 stop
MKE11:47 pmMilwaukee-Mitchell
$773
American Airlines
Sep 23
MKE2:48 pmMilwaukee-Mitchell
14h 12m
2 stops
BCN12:00 pmBarcelona-El Prat
Sep 30
BCN12:50 pmBarcelona-El Prat
13h 52m
1 stop
MKE7:42 pmMilwaukee-Mitchell
$778
American Airlines
Sep 28
MKE8:14 pmMilwaukee-Mitchell
14h 21m
2 stops
BCN5:35 pmBarcelona-El Prat
Oct 6
BCN7:40 amBarcelona-El Prat
17h 00m
2 stops
MKE5:40 pmMilwaukee-Mitchell
$785

United Airlines flights from Milwaukee to Barcelona

Our best United Airlines deals on Milwaukee to Barcelona flight tickets
United Airlines
Sep 28
MKE10:42 amMilwaukee-Mitchell
19h 33m
1 stop
BCN1:15 pmBarcelona-El Prat
Oct 6
BCN12:15 pmBarcelona-El Prat
32h 28m
2 stops
MKE1:43 pmMilwaukee-Mitchell
$783
United Airlines
Sep 28
MKE5:00 amMilwaukee-Mitchell
20h 00m
2 stops
BCN8:00 amBarcelona-El Prat
Oct 6
BCN12:15 pmBarcelona-El Prat
32h 28m
2 stops
MKE1:43 pmMilwaukee-Mitchell
$786
United Airlines
Sep 20
MKE12:05 pmMilwaukee-Mitchell
18h 10m
1 stop
BCN1:15 pmBarcelona-El Prat
Oct 1
BCN3:15 pmBarcelona-El Prat
14h 44m
1 stop
MKE10:59 pmMilwaukee-Mitchell
$803

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 junio 1, 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

lun. 9/28

6:06 am-7:35 am

1 stop18h 29m

Barcelona-El Prat

mar. 10/6

12:50 pm-11:47 pm

1 stop17h 57m

$773

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

mié. 9/23

2:48 pm-12:00 pm

2 stops14h 12m

Barcelona-El Prat

mié. 9/30

12:50 pm-7:42 pm

1 stop13h 52m

$778

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

lun. 9/28

10:42 am-1:15 pm

1 stop19h 33m

Barcelona-El Prat

mar. 10/6

12:15 pm-1:43 pm

2 stops32h 28m

$783

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

lun. 9/28

8:14 pm-5:35 pm

2 stops14h 21m

Barcelona-El Prat

mar. 10/6

7:40 am-5:40 pm

2 stops17h 00m

$785

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

lun. 9/28

5:00 am-8:00 am

2 stops20h 00m

Barcelona-El Prat

mar. 10/6

12:15 pm-1:43 pm

2 stops32h 28m

$786

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

mié. 9/23

8:14 pm-6:35 pm

2 stops15h 21m

Barcelona-El Prat

mié. 9/30

7:40 am-6:21 pm

2 stops17h 41m

$787

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

lun. 9/28

10:21 am-7:35 am

1 stop14h 14m

Barcelona-El Prat

mar. 10/6

12:50 pm-11:47 pm

1 stop17h 57m

$788

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

lun. 9/28

10:21 am-7:35 am

1 stop14h 14m

Barcelona-El Prat

mar. 10/6

7:40 am-5:40 pm

2 stops17h 00m

$789

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

mar. 9/22

1:18 pm-10:35 am

1 stop14h 17m

Barcelona-El Prat

jue. 10/1

10:15 am-8:03 pm

2 stops16h 48m

$802
Quickest round-trip

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

dom. 9/20

6:47 pm-1:15 pm

1 stop11h 28m

Barcelona-El Prat

mar. 9/29

3:15 pm-9:35 pm

1 stop13h 20m

$803

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 08m

Direct flights

None
The fastest flight from Milwaukee to Barcelona takes 14h 08m
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 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
8,014 reviews
Search British Airways flights
United AirlinesPriceFrom $499Free CancellationRating
7.4
9,768 reviews
Search United Airlines flights
American AirlinesPriceFrom $609Free CancellationRating
7.1
11,642 reviews
Search American Airlines flights
DeltaPriceFrom $689Free CancellationRating
7.9
8,402 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.

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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