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Cheap flights from Milwaukee to Barcelona from $434

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 5/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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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.
Lufthansa Logo
7:41 pm - 5:55 pm
MKE
-
BCN
15h 14m
2 stops
Lufthansa Logo
1:50 pm - 10:30 pm
BCN
-
MKE
15h 40m
2 stops
$751Lufthansa
Tue, Apr 21 - Tue, Apr 28
Iberia Logo
2:00 pm - 10:55 am
MKE
-
BCN
13h 55m
1 stop
Iberia Logo
10:30 am - 8:06 pm
BCN
-
MKE
16h 36m
1 stop
$753Iberia
Tue, Apr 21 - Tue, Apr 28
American Airlines Logo
9:08 am - 6:45 am
MKE
-
BCN
14h 37m
2 stops
American Airlines Logo
12:50 pm - 9:41 pm
BCN
-
MKE
15h 51m
1 stop
$758American Airlines
Tue, Apr 21 - Tue, Apr 28
United Airlines Logo
2:32 pm - 2:55 pm
MKE
-
BCN
17h 23m
2 stops
United Airlines Logo
3:15 pm - 8:48 pm
BCN
-
MKE
12h 33m
1 stop
$760United Airlines
Wed, Apr 22 - Wed, Apr 29
United Airlines Logo
2:32 pm - 1:15 pm
MKE
-
BCN
15h 43m
1 stop
United Airlines Logo
6:40 am - 6:47 pm
BCN
-
MKE
19h 07m
2 stops
$806United Airlines
Sun, Apr 19 - Sun, Apr 26
United Airlines Logo
6:50 am - 8:20 am
MKE
-
BCN
18h 30m
2 stops
United Airlines Logo
6:40 am - 6:47 pm
BCN
-
MKE
19h 07m
2 stops
$811United Airlines
Sun, Apr 19 - Sun, Apr 26
Lufthansa Logo
7:41 pm - 6:15 pm
MKE
-
BCN
15h 34m
2 stops
Lufthansa Logo
9:05 am - 8:48 pm
BCN
-
MKE
18h 43m
2 stops
$814Lufthansa
Sun, Apr 19 - Sun, Apr 26
Multiple Airlines Logo
5:37 pm - 9:20 am
MKE
-
BCN
32h 43m
2 stops
Multiple Airlines Logo
6:40 pm - 8:48 pm
BCN
-
MKE
33h 08m
2 stops
$818Multiple Airlines
Sat, Apr 18 - Sat, Apr 25
British Airways Logo
6:40 pm - 10:55 am
MKE
-
BCN
33h 15m
1 stop
British Airways Logo
9:15 pm - 8:06 pm
BCN
-
MKE
29h 51m
2 stops
$840British Airways
Sat, Apr 18 - Sat, Apr 25
United Airlines Logo
3:25 pm - 2:55 pm
MKE
-
BCN
16h 30m
2 stops
United Airlines Logo
12:15 pm - 2:27 pm
BCN
-
MKE
33h 12m
2 stops
$853United Airlines
Wed, May 6 - Wed, May 13

JetBlue flights from Milwaukee to Barcelona

Our best JetBlue deals on Milwaukee to Barcelona flight tickets
JetBlue
Sep 3
MKE9:41 amMilwaukee-Mitchell
17h 04m
1 stop
BCN9:45 amBarcelona-El Prat
Sep 8
BCN12:50 pmBarcelona-El Prat
33h 53m
1 stop
MKE3:43 pmMilwaukee-Mitchell
$925
JetBlue
Sep 3
MKE9:41 amMilwaukee-Mitchell
17h 04m
1 stop
BCN9:45 amBarcelona-El Prat
Sep 7
BCN12:50 pmBarcelona-El Prat
27h 01m
1 stop
MKE8:51 amMilwaukee-Mitchell
$954

Lufthansa flights from Milwaukee to Barcelona

Our best Lufthansa deals on Milwaukee to Barcelona flight tickets
Lufthansa
Apr 21
MKE7:41 pmMilwaukee-Mitchell
15h 14m
2 stops
BCN5:55 pmBarcelona-El Prat
Apr 28
BCN1:50 pmBarcelona-El Prat
15h 40m
2 stops
MKE10:30 pmMilwaukee-Mitchell
$751
Lufthansa
Apr 19
MKE7:41 pmMilwaukee-Mitchell
15h 34m
2 stops
BCN6:15 pmBarcelona-El Prat
Apr 26
BCN9:05 amBarcelona-El Prat
18h 43m
2 stops
MKE8:48 pmMilwaukee-Mitchell
$814
Lufthansa
Sep 3
MKE12:10 pmMilwaukee-Mitchell
17h 50m
2 stops
BCN1:00 pmBarcelona-El Prat
Sep 8
BCN1:50 pmBarcelona-El Prat
15h 46m
2 stops
MKE10:36 pmMilwaukee-Mitchell
$865

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 March 23, 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 4/21

7:41 pm-5:55 pm

2 stops15h 14m

Barcelona-El Prat

Tue 4/28

1:50 pm-10:30 pm

2 stops15h 40m

$751

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Tue 4/21

2:00 pm-10:55 am

1 stop13h 55m

Barcelona-El Prat

Tue 4/28

10:30 am-8:06 pm

1 stop16h 36m

$753

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Tue 4/21

9:08 am-6:45 am

2 stops14h 37m

Barcelona-El Prat

Tue 4/28

12:50 pm-9:41 pm

1 stop15h 51m

$758
Quickest round-trip

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Wed 4/22

2:32 pm-2:55 pm

2 stops17h 23m

Barcelona-El Prat

Wed 4/29

3:15 pm-8:48 pm

1 stop12h 33m

$760

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Sun 4/19

2:32 pm-1:15 pm

1 stop15h 43m

Barcelona-El Prat

Sun 4/26

6:40 am-6:47 pm

2 stops19h 07m

$806

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Sun 4/19

6:50 am-8:20 am

2 stops18h 30m

Barcelona-El Prat

Sun 4/26

6:40 am-6:47 pm

2 stops19h 07m

$811

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Sun 4/19

7:41 pm-6:15 pm

2 stops15h 34m

Barcelona-El Prat

Sun 4/26

9:05 am-8:48 pm

2 stops18h 43m

$814

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Sat 4/18

5:37 pm-9:20 am

2 stops32h 43m

Barcelona-El Prat

Sat 4/25

6:40 pm-8:48 pm

2 stops33h 08m

$818

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Sat 4/18

6:40 pm-10:55 am

1 stop33h 15m

Barcelona-El Prat

Sat 4/25

9:15 pm-8:06 pm

2 stops29h 51m

$840

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Wed 5/6

3:25 pm-2:55 pm

2 stops16h 30m

Barcelona-El Prat

Wed 5/13

12:15 pm-2:27 pm

2 stops33h 12m

$853

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

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

15h 14m

Direct flights

None
The fastest flight from Milwaukee to Barcelona takes 15h 14m
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 15h 14m.

  • 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
7,813 reviews
Search British Airways flights
United AirlinesPriceFrom $499Free CancellationRating
7.4
9,462 reviews
Search United Airlines flights
American AirlinesPriceFrom $609Free CancellationRating
7.1
11,486 reviews
Search American Airlines 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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Wed 4/22
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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