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Cheap flights from Milwaukee to Barcelona from $395

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 10/1. 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.
Lufthansa Logo
6:18 pm - 11:05 pm
MKE
-
BCN
21h 47m
2 stops
Lufthansa Logo
1:50 pm - 10:39 pm
BCN
-
MKE
15h 49m
2 stops
$771Lufthansa
Tue, Nov 3 - Wed, Dec 16
United Airlines Logo
10:37 am - 1:15 pm
MKE
-
BCN
19h 38m
1 stop
United Airlines Logo
11:00 am - 11:27 pm
BCN
-
MKE
19h 27m
1 stop
$773United Airlines
Tue, Nov 3 - Wed, Dec 16
United Airlines Logo
2:23 pm - 1:15 pm
MKE
-
BCN
15h 52m
1 stop
United Airlines Logo
9:55 am - 11:27 pm
BCN
-
MKE
20h 32m
2 stops
$776United Airlines
Tue, Nov 3 - Wed, Dec 16
United Airlines Logo
6:38 pm - 9:20 am
MKE
-
BCN
31h 42m
1 stop
United Airlines Logo
3:10 pm - 8:50 pm
BCN
-
MKE
12h 40m
1 stop
$784United Airlines
Sat, Oct 24 - Wed, Nov 11
United Airlines Logo
6:38 pm - 9:20 am
MKE
-
BCN
31h 42m
1 stop
United Airlines Logo
6:50 am - 5:38 pm
BCN
-
MKE
17h 48m
2 stops
$786United Airlines
Sat, Oct 24 - Wed, Nov 11
Lufthansa Logo
6:32 pm - 10:25 pm
MKE
-
BCN
20h 53m
2 stops
Lufthansa Logo
6:40 am - 9:25 pm
BCN
-
MKE
21h 45m
2 stops
$801Lufthansa
Mon, Sep 28 - Tue, Oct 6
United Airlines Logo
6:32 pm - 1:15 pm
MKE
-
BCN
11h 43m
1 stop
United Airlines Logo
3:15 pm - 9:25 pm
BCN
-
MKE
13h 10m
1 stop
$803United 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
12:50 pm - 11:14 pm
BCN
-
MKE
17h 24m
1 stop
$804American Airlines
Mon, Sep 28 - Tue, Oct 6
United Airlines Logo
3:52 pm - 1:15 pm
MKE
-
BCN
14h 23m
1 stop
United Airlines Logo
6:40 am - 5:40 pm
BCN
-
MKE
18h 00m
2 stops
$806United Airlines
Mon, Sep 28 - Tue, Oct 6
United Airlines Logo
12:05 pm - 1:15 pm
MKE
-
BCN
18h 10m
1 stop
United Airlines Logo
3:15 pm - 7:07 am
BCN
-
MKE
22h 52m
1 stop
$808United Airlines
Mon, Sep 28 - Tue, Oct 6

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British Airways flights from Milwaukee to Barcelona

Our best British Airways deals on Milwaukee to Barcelona flight tickets
British Airways
Oct 21
MKE2:58 pmMilwaukee-Mitchell
14h 07m
2 stops
BCN12:05 pmBarcelona-El Prat
Nov 11
BCN9:15 amBarcelona-El Prat
20h 22m
2 stops
MKE10:37 pmMilwaukee-Mitchell
$815
British Airways
Sep 19
MKE2:48 pmMilwaukee-Mitchell
15h 42m
2 stops
BCN1:30 pmBarcelona-El Prat
Sep 26
BCN10:30 amBarcelona-El Prat
14h 51m
1 stop
MKE6:21 pmMilwaukee-Mitchell
$899
British Airways
Oct 1
MKE2:48 pmMilwaukee-Mitchell
14h 32m
2 stops
BCN12:20 pmBarcelona-El Prat
Oct 6
BCN7:40 amBarcelona-El Prat
17h 56m
2 stops
MKE6:36 pmMilwaukee-Mitchell
$900

United Airlines flights from Milwaukee to Barcelona

Our best United Airlines deals on Milwaukee to Barcelona flight tickets
United Airlines
Nov 3
MKE10:37 amMilwaukee-Mitchell
19h 38m
1 stop
BCN1:15 pmBarcelona-El Prat
Dec 16
BCN11:00 amBarcelona-El Prat
19h 27m
1 stop
MKE11:27 pmMilwaukee-Mitchell
$773
United Airlines
Nov 3
MKE2:23 pmMilwaukee-Mitchell
15h 52m
1 stop
BCN1:15 pmBarcelona-El Prat
Dec 16
BCN9:55 amBarcelona-El Prat
20h 32m
2 stops
MKE11:27 pmMilwaukee-Mitchell
$776
United Airlines
Oct 24
MKE6:38 pmMilwaukee-Mitchell
31h 42m
1 stop
BCN9:20 amBarcelona-El Prat
Nov 11
BCN3:10 pmBarcelona-El Prat
12h 40m
1 stop
MKE8:50 pmMilwaukee-Mitchell
$784

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 July 24, 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

Tue 11/3

6:18 pm-11:05 pm

2 stops21h 47m

Barcelona-El Prat

Wed 12/16

1:50 pm-10:39 pm

2 stops15h 49m

$771

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Tue 11/3

10:37 am-1:15 pm

1 stop19h 38m

Barcelona-El Prat

Wed 12/16

11:00 am-11:27 pm

1 stop19h 27m

$773

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Tue 11/3

2:23 pm-1:15 pm

1 stop15h 52m

Barcelona-El Prat

Wed 12/16

9:55 am-11:27 pm

2 stops20h 32m

$776

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Sat 10/24

6:38 pm-9:20 am

1 stop31h 42m

Barcelona-El Prat

Wed 11/11

3:10 pm-8:50 pm

1 stop12h 40m

$784

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Sat 10/24

6:38 pm-9:20 am

1 stop31h 42m

Barcelona-El Prat

Wed 11/11

6:50 am-5:38 pm

2 stops17h 48m

$786

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 9/28

6:32 pm-10:25 pm

2 stops20h 53m

Barcelona-El Prat

Tue 10/6

6:40 am-9:25 pm

2 stops21h 45m

$801
Quickest round-trip

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 9/28

6:32 pm-1:15 pm

1 stop11h 43m

Barcelona-El Prat

Tue 10/6

3:15 pm-9:25 pm

1 stop13h 10m

$803

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-11:14 pm

1 stop17h 24m

$804

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 9/28

3:52 pm-1:15 pm

1 stop14h 23m

Barcelona-El Prat

Tue 10/6

6:40 am-5:40 pm

2 stops18h 00m

$806

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 9/28

12:05 pm-1:15 pm

1 stop18h 10m

Barcelona-El Prat

Tue 10/6

3:15 pm-7:07 am

1 stop22h 52m

$808

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?

Prices are currently low for flights on this route.

Typical prices usually range from $1,050 to $1,262.
The lowest price recently found on this route was $771.

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 November to fly from Milwaukee, when ticket prices are also cheap, with an average price of $508.

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 43m

Direct flights

None
The fastest flight from Milwaukee to Barcelona takes 11h 43m
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 11h 43m.

  • 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
8,132 reviews
Search British Airways flights
United AirlinesPriceFrom $508Free CancellationRating
7.4
10,034 reviews
Search United Airlines flights
American AirlinesPriceFrom $644Free CancellationRating
7.1
11,851 reviews
Search American Airlines flights
DeltaPriceFrom $689Free CancellationRating
7.8
8,488 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