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Cheap flights from Milwaukee to Barcelona from $493

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 12/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Milwaukee to Barcelona

Cheap round-trip flights

Air Canada Logo
7:00 am - 9:35 amMKE-BCN
19h 35m2 stops
Air Canada Logo
1:35 pm - 1:43 pmBCN-MKE
31h 08m2 stops
$570Air Canada
Find Deal
Mon, Jan 5 - Tue, Jan 20
Air Canada Logo
6:36 am - 9:35 amMKE-BCN
43h 59m2 stops
Air Canada Logo
1:35 pm - 1:43 pmBCN-MKE
31h 08m2 stops
$575Air Canada
Find Deal
Sun, Jan 4 - Tue, Jan 20
United Airlines Logo
7:00 am - 9:35 amMKE-BCN
19h 35m2 stops
United Airlines Logo
11:00 am - 6:08 pmBCN-MKE
14h 08m1 stop
$593United Airlines
Find Deal
Mon, Jan 5 - Thu, Jan 15
United Airlines Logo
5:00 am - 9:35 amMKE-BCN
21h 35m2 stops
United Airlines Logo
11:00 am - 8:45 pmBCN-MKE
16h 45m2 stops
$597United Airlines
Find Deal
Mon, Jan 5 - Wed, Jan 14
British Airways Logo
6:23 pm - 10:55 pmMKE-BCN
21h 32m2 stops
British Airways Logo
7:40 am - 6:48 pmBCN-MKE
18h 08m2 stops
$662British Airways
Find Deal
Thu, Sep 18 - Wed, Sep 24
British Airways Logo
6:41 pm - 6:25 pmMKE-BCN
16h 44m2 stops
British Airways Logo
10:45 am - 5:29 pmBCN-MKE
13h 44m1 stop
$668British Airways
Find Deal
Tue, Jan 6 - Thu, Apr 30
Delta Logo
5:40 am - 7:15 amMKE-BCN
18h 35m1 stop
Delta Logo
6:20 am - 5:41 pmBCN-MKE
18h 21m2 stops
$684Delta
Find Deal
Fri, Oct 3 - Fri, Oct 10
American Airlines Logo
11:47 am - 9:00 amMKE-BCN
14h 13m1 stop
American Airlines Logo
2:00 pm - 7:57 pmBCN-MKE
12h 57m1 stop
$688American Airlines
Find Deal
Tue, Jan 6 - Thu, Apr 30
American Airlines Logo
2:25 pm - 1:40 pmMKE-BCN
16h 15m2 stops
American Airlines Logo
10:40 am - 8:46 pmBCN-MKE
17h 06m1 stop
$692American Airlines
Find Deal
Fri, Feb 6 - Mon, Feb 16
Delta Logo
11:45 am - 7:15 amMKE-BCN
12h 30m1 stop
Delta Logo
11:35 am - 8:49 pmBCN-MKE
16h 14m1 stop
$728Delta
Find Deal
Tue, Sep 2 - Tue, Sep 23

KLM flights from Milwaukee to Barcelona

Our best KLM deals on Milwaukee to Barcelona flight tickets
KLM
Sep 2
MKE11:45 amMilwaukee-Mitchell
12h 30m
1 stop
BCN7:15 amBarcelona-El Prat
Sep 23
BCN11:35 amBarcelona-El Prat
19h 13m
1 stop
MKE11:48 pmMilwaukee-Mitchell
$809
Find similar
KLM
Aug 27
MKE10:10 amMilwaukee-Mitchell
16h 10m
1 stop
BCN9:20 amBarcelona-El Prat
Sep 3
BCN11:35 amBarcelona-El Prat
19h 01m
1 stop
MKE11:36 pmMilwaukee-Mitchell
$1,597
Find similar
KLM
Aug 28
MKE12:15 pmMilwaukee-Mitchell
14h 05m
1 stop
BCN9:20 amBarcelona-El Prat
Sep 4
BCN9:30 amBarcelona-El Prat
21h 06m
1 stop
MKE11:36 pmMilwaukee-Mitchell
$1,667
Find similar

American Airlines flights from Milwaukee to Barcelona

Our best American Airlines deals on Milwaukee to Barcelona flight tickets
American Airlines
Jan 6
MKE11:47 amMilwaukee-Mitchell
14h 13m
1 stop
BCN9:00 amBarcelona-El Prat
Apr 30
BCN2:00 pmBarcelona-El Prat
12h 57m
1 stop
MKE7:57 pmMilwaukee-Mitchell
$688
Find similar
American Airlines
Feb 6
MKE2:25 pmMilwaukee-Mitchell
16h 15m
2 stops
BCN1:40 pmBarcelona-El Prat
Feb 16
BCN10:40 amBarcelona-El Prat
17h 06m
1 stop
MKE8:46 pmMilwaukee-Mitchell
$692
Find similar
American Airlines
Jan 6
MKE6:41 pmMilwaukee-Mitchell
14h 24m
2 stops
BCN4:05 pmBarcelona-El Prat
Apr 30
BCN12:50 pmBarcelona-El Prat
15h 11m
2 stops
MKE9:01 pmMilwaukee-Mitchell
$696
Find similar

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 August 20, 2025.
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

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 1/5

7:00 am-9:35 am

2 stops19h 35m

Barcelona-El Prat

Tue 1/20

1:35 pm-1:43 pm

2 stops31h 08m

$570

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Sun 1/4

6:36 am-9:35 am

2 stops43h 59m

Barcelona-El Prat

Tue 1/20

1:35 pm-1:43 pm

2 stops31h 08m

$575

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 1/5

7:00 am-9:35 am

2 stops19h 35m

Barcelona-El Prat

Thu 1/15

11:00 am-6:08 pm

1 stop14h 08m

$593

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 1/5

5:00 am-9:35 am

2 stops21h 35m

Barcelona-El Prat

Wed 1/14

11:00 am-8:45 pm

2 stops16h 45m

$597

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Thu 9/18

6:23 pm-10:55 pm

2 stops21h 32m

Barcelona-El Prat

Wed 9/24

7:40 am-6:48 pm

2 stops18h 08m

$662

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Tue 1/6

6:41 pm-6:25 pm

2 stops16h 44m

Barcelona-El Prat

Thu 4/30

10:45 am-5:29 pm

1 stop13h 44m

$668

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 10/3

5:40 am-7:15 am

1 stop18h 35m

Barcelona-El Prat

Fri 10/10

6:20 am-5:41 pm

2 stops18h 21m

$684

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Tue 1/6

11:47 am-9:00 am

1 stop14h 13m

Barcelona-El Prat

Thu 4/30

2:00 pm-7:57 pm

1 stop12h 57m

$688

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 2/6

2:25 pm-1:40 pm

2 stops16h 15m

Barcelona-El Prat

Mon 2/16

10:40 am-8:46 pm

1 stop17h 06m

$692

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Tue 9/2

11:45 am-7:15 am

1 stop12h 30m

Barcelona-El Prat

Tue 9/23

11:35 am-8:49 pm

1 stop16h 14m

$728

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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 November is, on average, the cheapest month to fly to Barcelona from Milwaukee, with most prices found around $574. If you don’t want to visit Barcelona in November, then you should wait until October to fly from Milwaukee, when ticket prices are also cheap, with an average price of $763.

What is the cheapest day to depart on your flight to Barcelona?

The cheapest day to depart from Milwaukee to Barcelona is on a Monday when prices can be found for as low as $631. On the other hand, Thursday is the most expensive day to depart from Milwaukee because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,217.

What is the cheapest time of day to depart on your flight to Barcelona?

In the evening is the cheapest time of day to fly from Milwaukee to Barcelona when you can find flight prices for as low as $498. Flying to Barcelona in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $987 on average. Flights to Barcelona from Milwaukee in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Cheap Milwaukee to Barcelona flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Milwaukee to Barcelona

Direct flights

None
There are no direct flights from Milwaukee to Barcelona. There are no popular flight routes from Milwaukee to Barcelona.
Search flight deals

  • 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 00m.

  • 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
United AirlinesPriceFrom $574Free CancellationRating
7.4
8,928 reviews
Search United Airlines flights
American AirlinesPriceFrom $637Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $676Free CancellationRating
7.9
7,982 reviews
Search Delta flights
British AirwaysPriceFrom $689Free CancellationRating
6.7
7,289 reviews
Search British Airways 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