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Cheap flights from Milwaukee to Barcelona from $286

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 3/30. 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

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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.
KLM Logo
6:29 pm - 8:40 am
MKE
-
BCN
31h 11m1 stop
KLM Logo
10:15 am - 8:58 pm
BCN
-
MKE
17h 43m1 stop
$427KLM
Mon, Jan 19 - Tue, Feb 3
British Airways Logo
1:13 pm - 2:40 pm
MKE
-
BCN
18h 27m2 stops
British Airways Logo
6:40 am - 8:25 pm
BCN
-
MKE
19h 45m2 stops
$432British Airways
Wed, Mar 4 - Tue, Mar 10
Delta Logo
11:15 am - 8:00 am
MKE
-
BCN
13h 45m1 stop
Delta Logo
9:15 am - 9:39 pm
BCN
-
MKE
18h 24m1 stop
$435Delta
Wed, Mar 4 - Tue, Mar 17
Virgin Atlantic Logo
1:35 pm - 8:40 am
MKE
-
BCN
12h 05m1 stop
Virgin Atlantic Logo
9:45 am - 8:45 pm
BCN
-
MKE
17h 00m2 stops
$440Virgin Atlantic
Wed, Mar 4 - Tue, Mar 10
American Airlines Logo
4:47 pm - 1:40 pm
MKE
-
BCN
13h 53m2 stops
American Airlines Logo
10:05 am - 11:07 pm
BCN
-
MKE
19h 02m2 stops
$447American Airlines
Wed, Mar 4 - Tue, Mar 10
British Airways Logo
4:47 pm - 1:40 pm
MKE
-
BCN
13h 53m2 stops
British Airways Logo
6:40 am - 7:10 pm
BCN
-
MKE
42h 30m2 stops
$450British Airways
Mon, Mar 2 - Fri, Mar 13
British Airways Logo
2:46 pm - 1:40 pm
MKE
-
BCN
15h 54m2 stops
British Airways Logo
3:00 pm - 5:54 pm
BCN
-
MKE
33h 54m2 stops
$457British Airways
Fri, Feb 6 - Mon, Feb 16
British Airways Logo
4:47 pm - 5:55 pm
MKE
-
BCN
18h 08m2 stops
British Airways Logo
9:20 pm - 8:25 pm
BCN
-
MKE
29h 05m2 stops
$458British Airways
Mon, Feb 16 - Sun, Mar 8
American Airlines Logo
6:22 am - 8:50 am
MKE
-
BCN
19h 28m1 stop
American Airlines Logo
11:00 am - 11:14 pm
BCN
-
MKE
19h 14m1 stop
$460American Airlines
Tue, Feb 17 - Mon, Feb 23
British Airways Logo
12:13 pm - 7:45 pm
MKE
-
BCN
25h 32m2 stops
British Airways Logo
3:00 pm - 11:07 pm
BCN
-
MKE
38h 07m2 stops
$461British Airways
Mon, Mar 16 - Mon, Mar 23

Delta flights from Milwaukee to Barcelona

Our best Delta deals on Milwaukee to Barcelona flight tickets
Delta
Mar 4
MKE11:15 amMilwaukee-Mitchell
13h 45m
1 stop
BCN8:00 amBarcelona-El Prat
Mar 17
BCN9:15 amBarcelona-El Prat
18h 24m
1 stop
MKE9:39 pmMilwaukee-Mitchell
$435
Delta
Mar 1
MKE7:00 amMilwaukee-Mitchell
18h 00m
1 stop
BCN8:00 amBarcelona-El Prat
Mar 17
BCN9:15 amBarcelona-El Prat
16h 51m
1 stop
MKE8:06 pmMilwaukee-Mitchell
$485
Delta
Mar 3
MKE11:15 amMilwaukee-Mitchell
19h 45m
2 stops
BCN2:00 pmBarcelona-El Prat
Mar 16
BCN9:15 amBarcelona-El Prat
16h 51m
1 stop
MKE8:06 pmMilwaukee-Mitchell
$489

American Airlines flights from Milwaukee to Barcelona

Our best American Airlines deals on Milwaukee to Barcelona flight tickets
American Airlines
Mar 4
MKE4:47 pmMilwaukee-Mitchell
13h 53m
2 stops
BCN1:40 pmBarcelona-El Prat
Mar 10
BCN10:05 amBarcelona-El Prat
19h 02m
2 stops
MKE11:07 pmMilwaukee-Mitchell
$447
American Airlines
Feb 17
MKE6:22 amMilwaukee-Mitchell
19h 28m
1 stop
BCN8:50 amBarcelona-El Prat
Feb 23
BCN11:00 amBarcelona-El Prat
19h 14m
1 stop
MKE11:14 pmMilwaukee-Mitchell
$460
American Airlines
Feb 16
MKE6:01 amMilwaukee-Mitchell
18h 04m
1 stop
BCN7:05 amBarcelona-El Prat
Mar 8
BCN6:40 amBarcelona-El Prat
17h 14m
2 stops
MKE4:54 pmMilwaukee-Mitchell
$476

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 January 8, 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

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 1/19

6:29 pm-8:40 am

1 stop31h 11m

Barcelona-El Prat

Tue 2/3

10:15 am-8:58 pm

1 stop17h 43m

$427

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Wed 3/4

1:13 pm-2:40 pm

2 stops18h 27m

Barcelona-El Prat

Tue 3/10

6:40 am-8:25 pm

2 stops19h 45m

$432

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Wed 3/4

11:15 am-8:00 am

1 stop13h 45m

Barcelona-El Prat

Tue 3/17

9:15 am-9:39 pm

1 stop18h 24m

$435

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Wed 3/4

1:35 pm-8:40 am

1 stop12h 05m

Barcelona-El Prat

Tue 3/10

9:45 am-8:45 pm

2 stops17h 00m

$440

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Wed 3/4

4:47 pm-1:40 pm

2 stops13h 53m

Barcelona-El Prat

Tue 3/10

10:05 am-11:07 pm

2 stops19h 02m

$447

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 3/2

4:47 pm-1:40 pm

2 stops13h 53m

Barcelona-El Prat

Fri 3/13

6:40 am-7:10 pm

2 stops42h 30m

$450

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Fri 2/6

2:46 pm-1:40 pm

2 stops15h 54m

Barcelona-El Prat

Mon 2/16

3:00 pm-5:54 pm

2 stops33h 54m

$457

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 2/16

4:47 pm-5:55 pm

2 stops18h 08m

Barcelona-El Prat

Sun 3/8

9:20 pm-8:25 pm

2 stops29h 05m

$458

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Tue 2/17

6:22 am-8:50 am

1 stop19h 28m

Barcelona-El Prat

Mon 2/23

11:00 am-11:14 pm

1 stop19h 14m

$460

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 3/16

12:13 pm-7:45 pm

2 stops25h 32m

Barcelona-El Prat

Mon 3/23

3:00 pm-11:07 pm

2 stops38h 07m

$461

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 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.

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

13h 53m

Direct flights

None
The fastest flight from Milwaukee to Barcelona takes 13h 53m
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 53m.

  • 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
9,141 reviews
Search United Airlines flights
American AirlinesPriceFrom $609Free CancellationRating
7.2
11,095 reviews
Search American Airlines flights
DeltaPriceFrom $676Free CancellationRating
7.9
8,030 reviews
Search Delta flights
British AirwaysPriceFrom $689Free CancellationRating
6.7
7,659 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

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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