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Cheap flights from Milwaukee to Barcelona from $449

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 9/9. 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.
American Airlines Logo
12:37 pm - 7:35 am
MKE
-
BCN
11h 58m
1 stop
American Airlines Logo
10:30 am - 3:38 pm
BCN
-
MKE
12h 08m
1 stop
$773American Airlines
dom., sep. 20 - mié., sep. 30
American Airlines Logo
4:33 pm - 1:00 pm
MKE
-
BCN
13h 27m
2 stops
American Airlines Logo
12:50 pm - 11:47 pm
BCN
-
MKE
17h 57m
1 stop
$778American Airlines
dom., sep. 20 - mié., sep. 30
Iberia Logo
6:41 pm - 6:25 pm
MKE
-
BCN
16h 44m
2 stops
Iberia Logo
2:05 pm - 5:33 pm
BCN
-
MKE
34h 28m
2 stops
$784Iberia
dom., sep. 20 - mié., sep. 30
Lufthansa Logo
12:10 pm - 1:00 pm
MKE
-
BCN
17h 50m
2 stops
Lufthansa Logo
1:50 pm - 10:36 pm
BCN
-
MKE
15h 46m
2 stops
$911Lufthansa
jue., sep. 3 - mar., sep. 8
British Airways Logo
4:26 pm - 3:55 pm
MKE
-
BCN
16h 29m
2 stops
British Airways Logo
10:30 am - 8:06 pm
BCN
-
MKE
16h 36m
1 stop
$913British Airways
mié., abr. 29 - vie., may. 15
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
$916American Airlines
mié., abr. 29 - vie., may. 15
United Airlines Logo
7:50 am - 9:00 am
MKE
-
BCN
18h 10m
2 stops
United Airlines Logo
12:00 pm - 10:03 pm
BCN
-
MKE
17h 03m
2 stops
$921United Airlines
mié., abr. 29 - vie., may. 15
JetBlue Logo
9:36 am - 9:45 am
MKE
-
BCN
17h 09m
1 stop
JetBlue Logo
12:50 pm - 10:35 am
BCN
-
MKE
28h 45m
1 stop
$938JetBlue
jue., sep. 3 - dom., sep. 13
Iberia Logo
1:05 pm - 10:35 am
MKE
-
BCN
14h 30m
1 stop
Iberia Logo
9:10 pm - 6:59 pm
BCN
-
MKE
28h 49m
2 stops
$943Iberia
vie., ago. 14 - lun., ago. 24
United Airlines Logo
7:41 pm - 5:55 pm
MKE
-
BCN
15h 14m
2 stops
United Airlines Logo
1:15 pm - 4:42 pm
BCN
-
MKE
34h 27m
2 stops
$949United Airlines
mié., abr. 22 - jue., abr. 30

Aer Lingus flights from Milwaukee to Barcelona

Our best Aer Lingus deals on Milwaukee to Barcelona flight tickets
Aer Lingus
Apr 17
MKE5:41 pmMilwaukee-Mitchell
21h 49m
2 stops
BCN10:30 pmBarcelona-El Prat
Apr 22
BCN11:10 pmBarcelona-El Prat
25h 50m
2 stops
MKE6:00 pmMilwaukee-Mitchell
$970
Aer Lingus
Apr 3
MKE12:14 pmMilwaukee-Mitchell
15h 06m
2 stops
BCN10:20 amBarcelona-El Prat
Apr 8
BCN11:00 amBarcelona-El Prat
18h 00m
2 stops
MKE10:00 pmMilwaukee-Mitchell
$1,449

Delta flights from Milwaukee to Barcelona

Our best Delta deals on Milwaukee to Barcelona flight tickets
Delta
Apr 22
MKE1:55 pmMilwaukee-Mitchell
17h 55m
2 stops
BCN2:50 pmBarcelona-El Prat
Apr 30
BCN11:00 amBarcelona-El Prat
16h 35m
1 stop
MKE8:35 pmMilwaukee-Mitchell
$963
Delta
May 13
MKE12:15 pmMilwaukee-Mitchell
15h 00m
2 stops
BCN10:15 amBarcelona-El Prat
May 20
BCN11:00 amBarcelona-El Prat
17h 02m
1 stop
MKE9:02 pmMilwaukee-Mitchell
$1,010
Delta
May 13
MKE12:15 pmMilwaukee-Mitchell
15h 00m
2 stops
BCN10:15 amBarcelona-El Prat
May 20
BCN9:20 amBarcelona-El Prat
17h 27m
2 stops
MKE7:47 pmMilwaukee-Mitchell
$1,014

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 abril 2, 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
Quickest round-trip

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

dom. 9/20

12:37 pm-7:35 am

1 stop11h 58m

Barcelona-El Prat

mié. 9/30

10:30 am-3:38 pm

1 stop12h 08m

$773

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

dom. 9/20

4:33 pm-1:00 pm

2 stops13h 27m

Barcelona-El Prat

mié. 9/30

12:50 pm-11:47 pm

1 stop17h 57m

$778

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

dom. 9/20

6:41 pm-6:25 pm

2 stops16h 44m

Barcelona-El Prat

mié. 9/30

2:05 pm-5:33 pm

2 stops34h 28m

$784

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

jue. 9/3

12:10 pm-1:00 pm

2 stops17h 50m

Barcelona-El Prat

mar. 9/8

1:50 pm-10:36 pm

2 stops15h 46m

$911

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

mié. 4/29

4:26 pm-3:55 pm

2 stops16h 29m

Barcelona-El Prat

vie. 5/15

10:30 am-8:06 pm

1 stop16h 36m

$913

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

mié. 4/29

1:10 pm-6:45 am

1 stop10h 35m

Barcelona-El Prat

vie. 5/15

10:30 am-8:06 pm

1 stop16h 36m

$916

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

mié. 4/29

7:50 am-9:00 am

2 stops18h 10m

Barcelona-El Prat

vie. 5/15

12:00 pm-10:03 pm

2 stops17h 03m

$921

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

jue. 9/3

9:36 am-9:45 am

1 stop17h 09m

Barcelona-El Prat

dom. 9/13

12:50 pm-10:35 am

1 stop28h 45m

$938

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

vie. 8/14

1:05 pm-10:35 am

1 stop14h 30m

Barcelona-El Prat

lun. 8/24

9:10 pm-6:59 pm

2 stops28h 49m

$943

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

mié. 4/22

7:41 pm-5:55 pm

2 stops15h 14m

Barcelona-El Prat

jue. 4/30

1:15 pm-4:42 pm

2 stops34h 27m

$949

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

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 15m

Direct flights

None
The fastest flight from Milwaukee to Barcelona takes 14h 15m
There are no direct flights from Milwaukee to Barcelona. There are no popular flight routes from Milwaukee to Barcelona.
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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 15m.

  • 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
7,841 reviews
Search British Airways flights
United AirlinesPriceFrom $499Free CancellationRating
7.4
9,532 reviews
Search United Airlines flights
American AirlinesPriceFrom $609Free CancellationRating
7.1
11,549 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.

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sáb. 5/2
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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