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Cheap flights from Milwaukee to Barcelona from $352

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 9/20. 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.
Air Canada Logo
2:50 pm - 8:00 am
MKE
-
BCN
58h 10m
2 stops
Air Canada Logo
12:15 pm - 9:49 am
BCN
-
MKE
28h 34m
2 stops
$895Air Canada
Fri, Oct 9 - Sat, Oct 17
Iberia Logo
8:16 pm - 7:15 pm
MKE
-
BCN
15h 59m
2 stops
Iberia Logo
9:15 am - 5:40 pm
BCN
-
MKE
15h 25m
2 stops
$909Iberia
Thu, Oct 8 - Sun, Oct 18
United Airlines Logo
8:45 pm - 1:15 pm
MKE
-
BCN
33h 30m
1 stop
United Airlines Logo
6:00 am - 11:36 pm
BCN
-
MKE
24h 36m
2 stops
$915United Airlines
Fri, Oct 9 - Sat, Oct 17
British Airways Logo
4:49 pm - 8:35 pm
MKE
-
BCN
20h 46m
2 stops
British Airways Logo
7:30 pm - 7:40 pm
BCN
-
MKE
31h 10m
2 stops
$919British Airways
Thu, Oct 8 - Sun, Oct 18
British Airways Logo
8:16 pm - 7:35 pm
MKE
-
BCN
16h 19m
2 stops
British Airways Logo
7:50 am - 7:40 pm
BCN
-
MKE
18h 50m
2 stops
$933British Airways
Thu, Oct 8 - Sun, Oct 18
British Airways Logo
6:41 pm - 4:00 pm
MKE
-
BCN
14h 19m
2 stops
British Airways Logo
7:50 am - 5:33 pm
BCN
-
MKE
16h 43m
2 stops
$949British Airways
Fri, Sep 18 - Sun, Sep 27
British Airways Logo
4:49 pm - 10:35 am
MKE
-
BCN
10h 46m
1 stop
British Airways Logo
7:50 am - 7:40 pm
BCN
-
MKE
18h 50m
2 stops
$956British Airways
Thu, Oct 8 - Sun, Oct 18
British Airways Logo
4:52 pm - 10:35 am
MKE
-
BCN
10h 43m
1 stop
British Airways Logo
7:50 am - 5:33 pm
BCN
-
MKE
16h 43m
2 stops
$966British Airways
Fri, Sep 18 - Sun, Sep 27
Iberia Logo
8:16 pm - 10:50 pm
MKE
-
BCN
19h 34m
2 stops
Iberia Logo
12:20 pm - 5:40 pm
BCN
-
MKE
12h 20m
1 stop
$976Iberia
Thu, Oct 8 - Sun, Oct 18
British Airways Logo
3:01 pm - 4:00 pm
MKE
-
BCN
17h 59m
2 stops
British Airways Logo
12:20 pm - 7:40 pm
BCN
-
MKE
14h 20m
1 stop
$983British Airways
Thu, Oct 8 - Sun, Oct 18

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Air Canada flights from Milwaukee to Barcelona

Our best Air Canada deals on Milwaukee to Barcelona flight tickets
Air Canada
Oct 9
MKE2:50 pmMilwaukee-Mitchell
58h 10m
2 stops
BCN8:00 amBarcelona-El Prat
Oct 17
BCN12:15 pmBarcelona-El Prat
28h 34m
2 stops
MKE9:49 amMilwaukee-Mitchell
$895
Air Canada
Jun 1
MKE7:30 amMilwaukee-Mitchell
17h 30m
2 stops
BCN8:00 amBarcelona-El Prat
Jun 8
BCN1:15 pmBarcelona-El Prat
40h 09m
2 stops
MKE10:24 pmMilwaukee-Mitchell
$1,269

United Airlines flights from Milwaukee to Barcelona

Our best United Airlines deals on Milwaukee to Barcelona flight tickets
United Airlines
Oct 9
MKE8:45 pmMilwaukee-Mitchell
33h 30m
1 stop
BCN1:15 pmBarcelona-El Prat
Oct 17
BCN6:00 amBarcelona-El Prat
24h 36m
2 stops
MKE11:36 pmMilwaukee-Mitchell
$915
United Airlines
Oct 8
MKE6:00 amMilwaukee-Mitchell
24h 15m
1 stop
BCN1:15 pmBarcelona-El Prat
Oct 18
BCN7:55 amBarcelona-El Prat
19h 50m
2 stops
MKE8:45 pmMilwaukee-Mitchell
$992
United Airlines
Aug 1
MKE5:29 pmMilwaukee-Mitchell
32h 51m
2 stops
BCN9:20 amBarcelona-El Prat
Aug 15
BCN6:00 amBarcelona-El Prat
17h 46m
2 stops
MKE4:46 pmMilwaukee-Mitchell
$1,069

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 April 20, 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

Fri 10/9

2:50 pm-8:00 am

2 stops58h 10m

Barcelona-El Prat

Sat 10/17

12:15 pm-9:49 am

2 stops28h 34m

$895

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Thu 10/8

8:16 pm-7:15 pm

2 stops15h 59m

Barcelona-El Prat

Sun 10/18

9:15 am-5:40 pm

2 stops15h 25m

$909

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 10/9

8:45 pm-1:15 pm

1 stop33h 30m

Barcelona-El Prat

Sat 10/17

6:00 am-11:36 pm

2 stops24h 36m

$915

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Thu 10/8

4:49 pm-8:35 pm

2 stops20h 46m

Barcelona-El Prat

Sun 10/18

7:30 pm-7:40 pm

2 stops31h 10m

$919

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Thu 10/8

8:16 pm-7:35 pm

2 stops16h 19m

Barcelona-El Prat

Sun 10/18

7:50 am-7:40 pm

2 stops18h 50m

$933

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 9/18

6:41 pm-4:00 pm

2 stops14h 19m

Barcelona-El Prat

Sun 9/27

7:50 am-5:33 pm

2 stops16h 43m

$949

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Thu 10/8

4:49 pm-10:35 am

1 stop10h 46m

Barcelona-El Prat

Sun 10/18

7:50 am-7:40 pm

2 stops18h 50m

$956
Quickest round-trip

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 9/18

4:52 pm-10:35 am

1 stop10h 43m

Barcelona-El Prat

Sun 9/27

7:50 am-5:33 pm

2 stops16h 43m

$966

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Thu 10/8

8:16 pm-10:50 pm

2 stops19h 34m

Barcelona-El Prat

Sun 10/18

12:20 pm-5:40 pm

1 stop12h 20m

$976

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Thu 10/8

3:01 pm-4:00 pm

2 stops17h 59m

Barcelona-El Prat

Sun 10/18

12:20 pm-7:40 pm

1 stop14h 20m

$983

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 50m

Direct flights

None
The fastest flight from Milwaukee to Barcelona takes 14h 50m
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 50m.

  • 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
7,898 reviews
Search British Airways flights
United AirlinesPriceFrom $499Free CancellationRating
7.4
9,612 reviews
Search United Airlines flights
American AirlinesPriceFrom $609Free CancellationRating
7.1
11,649 reviews
Search American Airlines flights
DeltaPriceFrom $689Free CancellationRating
7.9
8,436 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