Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Milwaukee to Barcelona from $425

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 2/3. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Milwaukee to Barcelona

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:48 pm - 8:00 amMKE-BCN
31h 12m1 stop
Delta Logo
10:15 am - 9:51 pmBCN-MKE
18h 36m1 stop
$425Delta
Find Deal
Tue, Feb 3 - Tue, Feb 17
Delta Logo
5:48 pm - 8:00 amMKE-BCN
31h 12m1 stop
Delta Logo
10:15 am - 1:11 pmBCN-MKE
33h 56m1 stop
$426Delta
Find Deal
Tue, Feb 3 - Tue, Feb 17
Delta Logo
7:05 am - 8:00 amMKE-BCN
17h 55m1 stop
Delta Logo
10:15 am - 8:36 pmBCN-MKE
17h 21m1 stop
$450Delta
Find Deal
Wed, Feb 4 - Sat, Feb 14
Delta Logo
7:05 am - 8:00 amMKE-BCN
17h 55m1 stop
Delta Logo
10:15 am - 8:36 pmBCN-MKE
17h 21m1 stop
$451Delta
Find Deal
Wed, Feb 4 - Sat, Feb 14
Delta Logo
7:05 am - 8:00 amMKE-BCN
17h 55m1 stop
Delta Logo
10:15 am - 8:36 pmBCN-MKE
17h 21m1 stop
$452Delta
Find Deal
Wed, Feb 4 - Sat, Feb 14
Delta Logo
6:29 pm - 8:40 amMKE-BCN
31h 11m1 stop
Delta Logo
10:55 am - 8:13 pmBCN-MKE
16h 18m1 stop
$459Delta
Find Deal
Fri, Feb 6 - Wed, Feb 18
Air Canada Logo
10:30 am - 9:35 amMKE-BCN
40h 05m2 stops
Air Canada Logo
1:35 pm - 8:55 pmBCN-MKE
38h 20m2 stops
$461Air Canada
Find Deal
Tue, Feb 3 - Tue, Feb 17
British Airways Logo
1:04 pm - 7:50 pmMKE-BCN
23h 46m2 stops
British Airways Logo
9:00 pm - 6:04 pmBCN-MKE
28h 04m2 stops
$462British Airways
Find Deal
Fri, Feb 6 - Mon, Feb 16
Lufthansa Logo
2:32 pm - 4:20 pmMKE-BCN
18h 48m2 stops
Lufthansa Logo
5:50 am - 3:35 pmBCN-MKE
16h 45m2 stops
$466Lufthansa
Find Deal
Fri, Feb 6 - Mon, Feb 16
Delta Logo
10:15 am - 2:00 pmMKE-BCN
20h 45m2 stops
Delta Logo
10:15 am - 7:58 pmBCN-MKE
16h 43m2 stops
$467Delta
Find Deal
Fri, Jan 30 - Tue, Feb 3

KLM flights from Milwaukee to Barcelona

Our best KLM deals on Milwaukee to Barcelona flight tickets
KLM
Feb 7
MKE11:11 amMilwaukee-Mitchell
14h 29m
1 stop
BCN8:40 amBarcelona-El Prat
Feb 17
BCN11:10 amBarcelona-El Prat
16h 13m
2 stops
MKE8:23 pmMilwaukee-Mitchell
$476
Find similar
KLM
Feb 7
MKE5:30 amMilwaukee-Mitchell
20h 10m
1 stop
BCN8:40 amBarcelona-El Prat
Feb 17
BCN1:00 pmBarcelona-El Prat
17h 50m
2 stops
MKE11:50 pmMilwaukee-Mitchell
$481
Find similar
KLM
Feb 7
MKE5:30 amMilwaukee-Mitchell
20h 10m
1 stop
BCN8:40 amBarcelona-El Prat
Feb 17
BCN1:00 pmBarcelona-El Prat
17h 50m
2 stops
MKE11:50 pmMilwaukee-Mitchell
$482
Find similar

Lufthansa flights from Milwaukee to Barcelona

Our best Lufthansa deals on Milwaukee to Barcelona flight tickets
Lufthansa
Feb 6
MKE2:32 pmMilwaukee-Mitchell
18h 48m
2 stops
BCN4:20 pmBarcelona-El Prat
Feb 16
BCN5:50 amBarcelona-El Prat
16h 45m
2 stops
MKE3:35 pmMilwaukee-Mitchell
$466
Find similar
Lufthansa
Feb 5
MKE11:29 amMilwaukee-Mitchell
14h 31m
1 stop
BCN9:00 amBarcelona-El Prat
Feb 16
BCN5:50 amBarcelona-El Prat
22h 05m
2 stops
MKE8:55 pmMilwaukee-Mitchell
$486
Find similar
Lufthansa
Feb 5
MKE11:29 amMilwaukee-Mitchell
14h 31m
1 stop
BCN9:00 amBarcelona-El Prat
Feb 17
BCN5:50 amBarcelona-El Prat
16h 45m
2 stops
MKE3:35 pmMilwaukee-Mitchell
$487
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 November 26, 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

Tue 2/3

5:48 pm-8:00 am

1 stop31h 12m

Barcelona-El Prat

Tue 2/17

10:15 am-9:51 pm

1 stop18h 36m

$425

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Tue 2/3

5:48 pm-8:00 am

1 stop31h 12m

Barcelona-El Prat

Tue 2/17

10:15 am-1:11 pm

1 stop33h 56m

$426

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Wed 2/4

7:05 am-8:00 am

1 stop17h 55m

Barcelona-El Prat

Sat 2/14

10:15 am-8:36 pm

1 stop17h 21m

$450

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Wed 2/4

7:05 am-8:00 am

1 stop17h 55m

Barcelona-El Prat

Sat 2/14

10:15 am-8:36 pm

1 stop17h 21m

$451

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Wed 2/4

7:05 am-8:00 am

1 stop17h 55m

Barcelona-El Prat

Sat 2/14

10:15 am-8:36 pm

1 stop17h 21m

$452

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 2/6

6:29 pm-8:40 am

1 stop31h 11m

Barcelona-El Prat

Wed 2/18

10:55 am-8:13 pm

1 stop16h 18m

$459

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Tue 2/3

10:30 am-9:35 am

2 stops40h 05m

Barcelona-El Prat

Tue 2/17

1:35 pm-8:55 pm

2 stops38h 20m

$461

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 2/6

1:04 pm-7:50 pm

2 stops23h 46m

Barcelona-El Prat

Mon 2/16

9:00 pm-6:04 pm

2 stops28h 04m

$462

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 2/6

2:32 pm-4:20 pm

2 stops18h 48m

Barcelona-El Prat

Mon 2/16

5:50 am-3:35 pm

2 stops16h 45m

$466

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 1/30

10:15 am-2:00 pm

2 stops20h 45m

Barcelona-El Prat

Tue 2/3

10:15 am-7:58 pm

2 stops16h 43m

$467

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Fastest flight time

14h 52m

Direct flights

None
The fastest flight from Milwaukee to Barcelona takes 14h 52m
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 14h 29m.

  • 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
9,046 reviews
Search United Airlines flights
American AirlinesPriceFrom $609Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights
DeltaPriceFrom $676Free CancellationRating
7.9
7,998 reviews
Search Delta flights
British AirwaysPriceFrom $689Free CancellationRating
6.7
7,539 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.

An easier way to manage your Barcelona trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 12/26
Fri 1/2
By creating a price alert you accept our terms of use and privacy policy.

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