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Cheap flights from Milwaukee to Barcelona from $539

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 7/15. 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.
United Airlines Logo
10:42 am - 1:15 pm
MKE
-
BCN
19h 33m
1 stop
United Airlines Logo
1:15 pm - 10:00 am
BCN
-
MKE
27h 45m
2 stops
$757United Airlines
Mon, Sep 28 - Tue, Oct 6
United Airlines Logo
6:15 am - 8:20 am
MKE
-
BCN
19h 05m
2 stops
United Airlines Logo
1:15 pm - 10:00 am
BCN
-
MKE
27h 45m
2 stops
$762United Airlines
Mon, Sep 28 - Tue, Oct 6
Lufthansa Logo
6:32 pm - 5:55 pm
MKE
-
BCN
16h 23m
2 stops
Lufthansa Logo
12:40 pm - 10:59 pm
BCN
-
MKE
17h 19m
2 stops
$771Lufthansa
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
$773United Airlines
Mon, Sep 28 - Tue, Oct 6
United Airlines Logo
6:32 pm - 1:15 pm
MKE
-
BCN
11h 43m
1 stop
United Airlines Logo
6:40 am - 5:40 pm
BCN
-
MKE
18h 00m
2 stops
$776United Airlines
Mon, Sep 28 - Tue, Oct 6
United Airlines Logo
9:30 am - 1:15 pm
MKE
-
BCN
20h 45m
1 stop
United Airlines Logo
1:35 pm - 1:27 pm
BCN
-
MKE
30h 52m
2 stops
$802United Airlines
Fri, Nov 27 - Fri, Dec 11
United Airlines Logo
9:30 am - 1:15 pm
MKE
-
BCN
20h 45m
1 stop
United Airlines Logo
1:35 pm - 1:27 pm
BCN
-
MKE
30h 52m
2 stops
$803United Airlines
Fri, Nov 27 - Fri, Dec 11
Multiple Airlines Logo
6:18 pm - 11:05 pm
MKE
-
BCN
21h 47m
2 stops
Multiple Airlines Logo
1:35 pm - 10:39 pm
BCN
-
MKE
40h 04m
2 stops
$804Multiple Airlines
Fri, Nov 27 - Fri, Dec 11
United Airlines Logo
3:48 pm - 1:15 pm
MKE
-
BCN
14h 27m
1 stop
United Airlines Logo
11:00 am - 11:27 pm
BCN
-
MKE
19h 27m
1 stop
$823United Airlines
Fri, Nov 27 - Fri, Dec 11
Multiple Airlines Logo
9:30 am - 9:35 am
MKE
-
BCN
17h 05m
2 stops
Multiple Airlines Logo
6:50 am - 10:39 pm
BCN
-
MKE
22h 49m
3 stops
$837Multiple Airlines
Fri, Nov 27 - Fri, Dec 11

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Delta flights from Milwaukee to Barcelona

Our best Delta deals on Milwaukee to Barcelona flight tickets
Delta
Aug 2
MKE4:49 pmMilwaukee-Mitchell
17h 21m
2 stops
BCN5:10 pmBarcelona-El Prat
Aug 15
BCN6:10 amBarcelona-El Prat
21h 08m
2 stops
MKE8:18 pmMilwaukee-Mitchell
$995
Delta
Aug 2
MKE5:45 amMilwaukee-Mitchell
24h 05m
1 stop
BCN12:50 pmBarcelona-El Prat
Aug 15
BCN6:10 amBarcelona-El Prat
16h 52m
2 stops
MKE4:02 pmMilwaukee-Mitchell
$996
Delta
Jul 31
MKE4:49 pmMilwaukee-Mitchell
17h 21m
2 stops
BCN5:10 pmBarcelona-El Prat
Aug 8
BCN11:10 amBarcelona-El Prat
17h 52m
2 stops
MKE10:02 pmMilwaukee-Mitchell
$1,037

Air Canada flights from Milwaukee to Barcelona

Our best Air Canada deals on Milwaukee to Barcelona flight tickets
Air Canada
Sep 28
MKE8:30 amMilwaukee-Mitchell
16h 30m
3 stops
BCN8:00 amBarcelona-El Prat
Oct 6
BCN6:40 amBarcelona-El Prat
21h 45m
3 stops
MKE9:25 pmMilwaukee-Mitchell
$846
Air Canada
Nov 27
MKE2:23 pmMilwaukee-Mitchell
16h 42m
3 stops
BCN2:05 pmBarcelona-El Prat
Dec 11
BCN6:50 amBarcelona-El Prat
22h 49m
3 stops
MKE10:39 pmMilwaukee-Mitchell
$850
Air Canada
Nov 27
MKE8:30 amMilwaukee-Mitchell
18h 05m
3 stops
BCN9:35 amBarcelona-El Prat
Dec 11
BCN6:50 amBarcelona-El Prat
22h 49m
3 stops
MKE10:39 pmMilwaukee-Mitchell
$896

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 June 29, 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

Mon 9/28

10:42 am-1:15 pm

1 stop19h 33m

Barcelona-El Prat

Tue 10/6

1:15 pm-10:00 am

2 stops27h 45m

$757

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 9/28

6:15 am-8:20 am

2 stops19h 05m

Barcelona-El Prat

Tue 10/6

1:15 pm-10:00 am

2 stops27h 45m

$762

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 9/28

6:32 pm-5:55 pm

2 stops16h 23m

Barcelona-El Prat

Tue 10/6

12:40 pm-10:59 pm

2 stops17h 19m

$771
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

$773

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 9/28

6:32 pm-1:15 pm

1 stop11h 43m

Barcelona-El Prat

Tue 10/6

6:40 am-5:40 pm

2 stops18h 00m

$776

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 11/27

9:30 am-1:15 pm

1 stop20h 45m

Barcelona-El Prat

Fri 12/11

1:35 pm-1:27 pm

2 stops30h 52m

$802

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 11/27

9:30 am-1:15 pm

1 stop20h 45m

Barcelona-El Prat

Fri 12/11

1:35 pm-1:27 pm

2 stops30h 52m

$803

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 11/27

6:18 pm-11:05 pm

2 stops21h 47m

Barcelona-El Prat

Fri 12/11

1:35 pm-10:39 pm

2 stops40h 04m

$804

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 11/27

3:48 pm-1:15 pm

1 stop14h 27m

Barcelona-El Prat

Fri 12/11

11:00 am-11:27 pm

1 stop19h 27m

$823

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 11/27

9:30 am-9:35 am

2 stops17h 05m

Barcelona-El Prat

Fri 12/11

6:50 am-10:39 pm

3 stops22h 49m

$837

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 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

16h 02m

Direct flights

None
The fastest flight from Milwaukee to Barcelona takes 16h 02m
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 16h 02m.

  • 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
8,082 reviews
Search British Airways flights
United AirlinesPriceFrom $499Free CancellationRating
7.4
9,895 reviews
Search United Airlines flights
American AirlinesPriceFrom $609Free CancellationRating
7.1
11,764 reviews
Search American Airlines flights
DeltaPriceFrom $689Free CancellationRating
7.8
8,450 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