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Cheap flights from Milwaukee to Barcelona from $349

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 10/7. 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.
American Airlines Logo
3:03 pm - 12:05 pm
MKE
-
BCN
14h 02m
2 stops
American Airlines Logo
12:50 pm - 11:47 pm
BCN
-
MKE
17h 57m
1 stop
$770American Airlines
Mon, Sep 28 - Tue, Oct 6
American Airlines Logo
10:21 am - 7:35 am
MKE
-
BCN
14h 14m
1 stop
American Airlines Logo
12:50 pm - 11:47 pm
BCN
-
MKE
17h 57m
1 stop
$773American Airlines
Mon, Sep 28 - Tue, Oct 6
Iberia Logo
8:16 pm - 10:40 pm
MKE
-
BCN
19h 24m
2 stops
Iberia Logo
9:15 am - 5:40 pm
BCN
-
MKE
15h 25m
2 stops
$780Iberia
Wed, Oct 7 - Tue, Oct 20
United Airlines Logo
6:32 pm - 1:15 pm
MKE
-
BCN
11h 43m
1 stop
United Airlines Logo
12:15 pm - 3:11 pm
BCN
-
MKE
33h 56m
2 stops
$783United Airlines
Mon, Sep 28 - Tue, Oct 6
Iberia Logo
6:41 pm - 5:35 pm
MKE
-
BCN
15h 54m
2 stops
Iberia Logo
7:40 am - 5:40 pm
BCN
-
MKE
17h 00m
2 stops
$785Iberia
Mon, Sep 28 - Tue, Oct 6
United Airlines Logo
5:00 am - 8:00 am
MKE
-
BCN
20h 00m
2 stops
United Airlines Logo
12:15 pm - 1:43 pm
BCN
-
MKE
32h 28m
2 stops
$786United Airlines
Mon, Sep 28 - Tue, Oct 6
American Airlines Logo
6:05 am - 7:35 am
MKE
-
BCN
18h 30m
1 stop
American Airlines Logo
12:50 pm - 11:47 pm
BCN
-
MKE
17h 57m
1 stop
$788American Airlines
Mon, Sep 28 - Tue, Oct 6
American Airlines Logo
6:06 am - 7:35 am
MKE
-
BCN
18h 29m
1 stop
American Airlines Logo
7:40 am - 5:40 pm
BCN
-
MKE
17h 00m
2 stops
$789American Airlines
Mon, Sep 28 - Tue, Oct 6
Scandinavian Airlines Logo
7:00 am - 11:35 am
MKE
-
BCN
21h 35m
2 stops
Scandinavian Airlines Logo
12:25 pm - 8:08 pm
BCN
-
MKE
38h 43m
2 stops
$798Scandinavian Airlines
Mon, Nov 9 - Thu, Nov 12
British Airways Logo
3:03 pm - 2:25 pm
MKE
-
BCN
16h 22m
2 stops
British Airways Logo
10:15 am - 7:40 pm
BCN
-
MKE
16h 25m
2 stops
$802British Airways
Mon, Sep 28 - Tue, Oct 6

American Airlines flights from Milwaukee to Barcelona

Our best American Airlines deals on Milwaukee to Barcelona flight tickets
American Airlines
Sep 28
MKE3:03 pmMilwaukee-Mitchell
14h 02m
2 stops
BCN12:05 pmBarcelona-El Prat
Oct 6
BCN12:50 pmBarcelona-El Prat
17h 57m
1 stop
MKE11:47 pmMilwaukee-Mitchell
$770
American Airlines
Sep 28
MKE10:21 amMilwaukee-Mitchell
14h 14m
1 stop
BCN7:35 amBarcelona-El Prat
Oct 6
BCN12:50 pmBarcelona-El Prat
17h 57m
1 stop
MKE11:47 pmMilwaukee-Mitchell
$773
American Airlines
Sep 28
MKE6:05 amMilwaukee-Mitchell
18h 30m
1 stop
BCN7:35 amBarcelona-El Prat
Oct 6
BCN12:50 pmBarcelona-El Prat
17h 57m
1 stop
MKE11:47 pmMilwaukee-Mitchell
$788

British Airways flights from Milwaukee to Barcelona

Our best British Airways deals on Milwaukee to Barcelona flight tickets
British Airways
Sep 28
MKE3:03 pmMilwaukee-Mitchell
16h 22m
2 stops
BCN2:25 pmBarcelona-El Prat
Oct 6
BCN10:15 amBarcelona-El Prat
16h 25m
2 stops
MKE7:40 pmMilwaukee-Mitchell
$802
British Airways
Nov 6
MKE3:37 pmMilwaukee-Mitchell
15h 03m
2 stops
BCN1:40 pmBarcelona-El Prat
Nov 22
BCN6:40 amBarcelona-El Prat
18h 03m
2 stops
MKE5:43 pmMilwaukee-Mitchell
$887
British Airways
Oct 8
MKE8:16 pmMilwaukee-Mitchell
15h 04m
2 stops
BCN6:20 pmBarcelona-El Prat
Oct 18
BCN7:50 amBarcelona-El Prat
18h 50m
2 stops
MKE7:40 pmMilwaukee-Mitchell
$902

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 May 25, 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
Quickest round-trip

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 9/28

3:03 pm-12:05 pm

2 stops14h 02m

Barcelona-El Prat

Tue 10/6

12:50 pm-11:47 pm

1 stop17h 57m

$770

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 9/28

10:21 am-7:35 am

1 stop14h 14m

Barcelona-El Prat

Tue 10/6

12:50 pm-11:47 pm

1 stop17h 57m

$773

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Wed 10/7

8:16 pm-10:40 pm

2 stops19h 24m

Barcelona-El Prat

Tue 10/20

9:15 am-5:40 pm

2 stops15h 25m

$780

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 9/28

6:32 pm-1:15 pm

1 stop11h 43m

Barcelona-El Prat

Tue 10/6

12:15 pm-3:11 pm

2 stops33h 56m

$783

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 9/28

6:41 pm-5:35 pm

2 stops15h 54m

Barcelona-El Prat

Tue 10/6

7:40 am-5:40 pm

2 stops17h 00m

$785

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 9/28

5:00 am-8:00 am

2 stops20h 00m

Barcelona-El Prat

Tue 10/6

12:15 pm-1:43 pm

2 stops32h 28m

$786

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 9/28

6:05 am-7:35 am

1 stop18h 30m

Barcelona-El Prat

Tue 10/6

12:50 pm-11:47 pm

1 stop17h 57m

$788

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 9/28

6:06 am-7:35 am

1 stop18h 29m

Barcelona-El Prat

Tue 10/6

7:40 am-5:40 pm

2 stops17h 00m

$789

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 11/9

7:00 am-11:35 am

2 stops21h 35m

Barcelona-El Prat

Thu 11/12

12:25 pm-8:08 pm

2 stops38h 43m

$798

MilwaukeeBarcelona

MKE - BCN

MKEBCN

Milwaukee-Mitchell

Mon 9/28

3:03 pm-2:25 pm

2 stops16h 22m

Barcelona-El Prat

Tue 10/6

10:15 am-7:40 pm

2 stops16h 25m

$802

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?

What is the cheapest month to fly to Barcelona?

The month of February is, on average, the cheapest month to fly to Barcelona from Milwaukee, with most prices found around $0. If you don’t want to visit Barcelona in February, then you should wait until March to fly from Milwaukee, when ticket prices are also cheap, with an average price of $457.

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

10h 52m

Direct flights

None
The fastest flight from Milwaukee to Barcelona takes 10h 52m
There are no direct flights from Milwaukee to Barcelona. There are no popular flight routes from Milwaukee to Barcelona.
Search flight deals

Frequently asked questions about flying from Milwaukee to Barcelona

  • 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 10h 52m.

  • 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
8,004 reviews
Search British Airways flights
United AirlinesPriceFrom $499Free CancellationRating
7.4
9,747 reviews
Search United Airlines flights
American AirlinesPriceFrom $609Free CancellationRating
7.1
11,630 reviews
Search American Airlines flights
DeltaPriceFrom $689Free CancellationRating
7.9
8,434 reviews
Search Delta 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