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Cheap flights from Milwaukee to Barcelona from $468

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Milwaukee to Barcelona departing on 1/8. 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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Find the cheapest flights from Milwaukee to Barcelona

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:32 pm - 5:35 pmMKE-BCN
20h 03m2 stops
United Airlines Logo
1:35 pm - 10:34 amBCN-MKE
27h 59m2 stops
$468United Airlines
Find Deal
jue., ene. 8 - jue., ene. 15
United Airlines Logo
11:30 am - 9:00 amMKE-BCN
14h 30m2 stops
United Airlines Logo
11:00 am - 10:28 pmBCN-MKE
18h 28m2 stops
$470United Airlines
Find Deal
mié., feb. 4 - vie., feb. 13
United Airlines Logo
11:30 am - 9:00 amMKE-BCN
14h 30m2 stops
United Airlines Logo
6:50 am - 3:35 pmBCN-MKE
15h 45m2 stops
$473United Airlines
Find Deal
mié., feb. 4 - mar., feb. 17
Multiple Airlines Logo
5:11 pm - 2:00 pmMKE-BCN
13h 49m2 stops
Multiple Airlines Logo
10:55 am - 8:13 pmBCN-MKE
16h 18m1 stop
$474Multiple Airlines
Find Deal
jue., feb. 5 - dom., feb. 15
Delta Logo
5:45 pm - 8:00 amMKE-BCN
31h 15m1 stop
Delta Logo
10:15 am - 1:13 pmBCN-MKE
33h 58m1 stop
$475Delta
Find Deal
jue., ene. 22 - sáb., ene. 31
KLM Logo
3:42 pm - 8:40 amMKE-BCN
33h 58m1 stop
KLM Logo
6:00 am - 4:12 pmBCN-MKE
17h 12m2 stops
$476KLM
Find Deal
vie., feb. 6 - lun., feb. 16
United Airlines Logo
10:30 am - 9:00 amMKE-BCN
15h 30m2 stops
United Airlines Logo
6:50 am - 9:59 pmBCN-MKE
22h 09m2 stops
$477United Airlines
Find Deal
mar., ene. 20 - sáb., ene. 31
United Airlines Logo
2:32 pm - 2:15 pmMKE-BCN
16h 43m2 stops
United Airlines Logo
11:00 am - 9:44 pmBCN-MKE
17h 44m2 stops
$478United Airlines
Find Deal
vie., feb. 6 - vie., feb. 13
Multiple Airlines Logo
5:11 pm - 2:00 pmMKE-BCN
13h 49m2 stops
Multiple Airlines Logo
10:55 am - 11:46 pmBCN-MKE
19h 51m1 stop
$479Multiple Airlines
Find Deal
jue., ene. 22 - mié., ene. 28
United Airlines Logo
2:32 pm - 2:15 pmMKE-BCN
16h 43m2 stops
United Airlines Logo
6:50 am - 6:48 pmBCN-MKE
18h 58m2 stops
$480United Airlines
Find Deal
vie., feb. 6 - mié., feb. 18

United Airlines flights from Milwaukee to Barcelona

Our best United Airlines deals on Milwaukee to Barcelona flight tickets
United Airlines
Jan 8
MKE2:32 pmMilwaukee-Mitchell
20h 03m
2 stops
BCN5:35 pmBarcelona-El Prat
Jan 15
BCN1:35 pmBarcelona-El Prat
27h 59m
2 stops
MKE10:34 amMilwaukee-Mitchell
$468
Find similar
United Airlines
Feb 4
MKE11:30 amMilwaukee-Mitchell
14h 30m
2 stops
BCN9:00 amBarcelona-El Prat
Feb 13
BCN11:00 amBarcelona-El Prat
18h 28m
2 stops
MKE10:28 pmMilwaukee-Mitchell
$470
Find similar
United Airlines
Feb 4
MKE11:30 amMilwaukee-Mitchell
14h 30m
2 stops
BCN9:00 amBarcelona-El Prat
Feb 17
BCN6:50 amBarcelona-El Prat
15h 45m
2 stops
MKE3:35 pmMilwaukee-Mitchell
$473
Find similar

Delta flights from Milwaukee to Barcelona

Our best Delta deals on Milwaukee to Barcelona flight tickets
Delta
Jan 22
MKE5:45 pmMilwaukee-Mitchell
31h 15m
1 stop
BCN8:00 amBarcelona-El Prat
Jan 31
BCN10:15 amBarcelona-El Prat
33h 58m
1 stop
MKE1:13 pmMilwaukee-Mitchell
$475
Find similar
Delta
Jan 19
MKE6:29 pmMilwaukee-Mitchell
31h 11m
1 stop
BCN8:40 amBarcelona-El Prat
Jan 30
BCN10:55 amBarcelona-El Prat
19h 51m
1 stop
MKE11:46 pmMilwaukee-Mitchell
$484
Find similar
Delta
Jan 21
MKE7:00 amMilwaukee-Mitchell
18h 00m
2 stops
BCN8:00 amBarcelona-El Prat
Jan 27
BCN10:15 amBarcelona-El Prat
16h 43m
2 stops
MKE7:58 pmMilwaukee-Mitchell
$488
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 noviembre 24, 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

jue. 1/8

2:32 pm-5:35 pm

2 stops20h 03m

Barcelona-El Prat

jue. 1/15

1:35 pm-10:34 am

2 stops27h 59m

$468

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

mié. 2/4

11:30 am-9:00 am

2 stops14h 30m

Barcelona-El Prat

vie. 2/13

11:00 am-10:28 pm

2 stops18h 28m

$470

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

mié. 2/4

11:30 am-9:00 am

2 stops14h 30m

Barcelona-El Prat

mar. 2/17

6:50 am-3:35 pm

2 stops15h 45m

$473

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

jue. 2/5

5:11 pm-2:00 pm

2 stops13h 49m

Barcelona-El Prat

dom. 2/15

10:55 am-8:13 pm

1 stop16h 18m

$474

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

jue. 1/22

5:45 pm-8:00 am

1 stop31h 15m

Barcelona-El Prat

sáb. 1/31

10:15 am-1:13 pm

1 stop33h 58m

$475

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

vie. 2/6

3:42 pm-8:40 am

1 stop33h 58m

Barcelona-El Prat

lun. 2/16

6:00 am-4:12 pm

2 stops17h 12m

$476

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

mar. 1/20

10:30 am-9:00 am

2 stops15h 30m

Barcelona-El Prat

sáb. 1/31

6:50 am-9:59 pm

2 stops22h 09m

$477

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

vie. 2/6

2:32 pm-2:15 pm

2 stops16h 43m

Barcelona-El Prat

vie. 2/13

11:00 am-9:44 pm

2 stops17h 44m

$478

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

jue. 1/22

5:11 pm-2:00 pm

2 stops13h 49m

Barcelona-El Prat

mié. 1/28

10:55 am-11:46 pm

1 stop19h 51m

$479

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

vie. 2/6

2:32 pm-2:15 pm

2 stops16h 43m

Barcelona-El Prat

mié. 2/18

6:50 am-6:48 pm

2 stops18h 58m

$480

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 $521. 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 $704.

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 13h 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
United AirlinesPriceFrom $508Free CancellationRating
7.4
9,039 reviews
Search United Airlines flights
American AirlinesPriceFrom $609Free CancellationRating
7.2
11,043 reviews
Search American Airlines flights
DeltaPriceFrom $676Free CancellationRating
7.9
7,993 reviews
Search Delta flights
British AirwaysPriceFrom $689Free CancellationRating
6.7
7,535 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