$461+ Cheap flights from Milwaukee (MKE) to Barcelona
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — BCN
Oct 3 — Oct 101
Round-trip
1 adult, Economy
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Find cheap flights from Milwaukee to Barcelona with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Milwaukee to Barcelona
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Best
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Cheapest flights from Milwaukee to BarcelonaExplore the most affordable flight options available from Milwaukee to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 3, 2026.
Explore the most affordable flight options available from Milwaukee to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 3, 2026.
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:17 am -
1 stop20h 58m
Wed 11/181:35 pm -
2 stops30h 57m
Deal found 8/31![United Airlines logo]()
$706
This American Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:14 pm -
2 stops14h 21m
Tue 10/610:45 am -
1 stop18h 07m
Deal found 8/31![American Airlines logo]()
$724
This FlightHub deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:32 pm -
2 stops20h 53m
Tue 10/66:40 am -
2 stops23h 19m
Deal found 8/30![Lufthansa logo]()
$725
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/283:52 pm -
1 stop14h 23m
Tue 10/63:15 pm -
1 stop14h 44m
Deal found 8/30![United Airlines logo]()
$726
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1412:05 pm -
2 stops13h 15m
Thu 10/228:00 am -
2 stops16h 40m
Deal found 9/2![United Airlines logo]()
$729
This Delta deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:44 pm -
2 stops15h 31m
Wed 10/711:00 am -
1 stop19h 53m
Deal found 9/2![Delta logo]()
$730
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/302:48 pm -
2 stops14h 12m
Wed 10/712:50 pm -
2 stops16h 52m
Deal found 9/2![American Airlines logo]()
$731
This Orbitz deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/107:19 pm -
1 stop32h 36m
Thu 10/2212:20 pm -
1 stop16h 27m
Deal found 8/30![British Airways logo]()
$732
This United deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:47 pm -
2 stops30h 13m
Fri 10/306:50 am -
2 stops21h 25m
Deal found 8/31![Multiple Airlines logo]()
$733
This United Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:38 pm -
1 stop31h 22m
Tue 10/277:30 am -
2 stops20h 45m
Deal found 9/1![United Airlines logo]()
$737
Best flights from Milwaukee to BarcelonaDiscover carefully curated flight deals from Milwaukee to Barcelona that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 3, 2026.
Discover carefully curated flight deals from Milwaukee to Barcelona that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 3, 2026.
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/56:39 pm -
2 stops15h 56m
Wed 1/201:35 pm -
2 stops36h 06m
Deal found 8/30![United Airlines logo]()
$719
This Delta deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:44 pm -
2 stops15h 31m
Wed 10/711:00 am -
1 stop19h 53m
Deal found 9/1![Delta logo]()
$730
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1412:05 pm -
2 stops13h 15m
Thu 10/228:00 am -
2 stops16h 40m
Deal found 9/2![United Airlines logo]()
$729
This Delta deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/51:00 pm -
2 stops18h 00m
Wed 1/2010:50 am -
1 stop17h 18m
Deal found 8/30![Delta logo]()
$735
This United Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:32 pm -
1 stop11h 43m
Tue 10/277:30 am -
2 stops20h 45m
Deal found 9/1![United Airlines logo]()
$731
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/275:35 pm -
2 stops18h 25m
Mon 1/1110:35 am -
1 stop16h 33m
Deal found 8/31![Delta logo]()
$785
This United Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/16:45 pm -
1 stop30h 35m
Fri 3/51:35 pm -
2 stops51h 11m
Deal found 9/1![United Airlines logo]()
$769
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/275:35 pm -
2 stops18h 25m
Sat 1/96:00 am -
2 stops22h 09m
Deal found 8/31![Delta logo]()
$797
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/23:57 pm -
1 stop33h 43m
Sun 1/1010:05 am -
2 stops18h 28m
Deal found 8/31![Delta logo]()
$799
Last-minute flights from Milwaukee to BarcelonaDiscover last-minute flight deals from Milwaukee to Barcelona. Data last updated September 3, 2026 and is based on user searches.
Discover last-minute flight deals from Milwaukee to Barcelona. Data last updated September 3, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:14 pm -
2 stops14h 21m
Tue 10/610:45 am -
1 stop18h 07m
Deal found 8/31![American Airlines logo]()
$724
This FlightHub deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:32 pm -
2 stops20h 53m
Tue 10/66:40 am -
2 stops23h 19m
Deal found 8/30![Lufthansa logo]()
$725
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/283:52 pm -
1 stop14h 23m
Tue 10/63:15 pm -
1 stop14h 44m
Deal found 8/30![United Airlines logo]()
$726
This Delta deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:44 pm -
2 stops15h 31m
Wed 10/711:00 am -
1 stop19h 53m
Deal found 9/2![Delta logo]()
$730
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/302:48 pm -
2 stops14h 12m
Wed 10/712:50 pm -
2 stops16h 52m
Deal found 9/2![American Airlines logo]()
$731
This Orbitz deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/107:19 pm -
1 stop32h 36m
Thu 10/2212:20 pm -
1 stop16h 27m
Deal found 8/30![British Airways logo]()
$732
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1412:05 pm -
2 stops13h 15m
Thu 10/228:00 am -
2 stops16h 40m
Deal found 9/2![United Airlines logo]()
$729
This United deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:47 pm -
2 stops30h 13m
Fri 10/306:50 am -
2 stops21h 25m
Deal found 8/31![Multiple Airlines logo]()
$733
This United Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:38 pm -
1 stop31h 22m
Tue 10/277:30 am -
2 stops20h 45m
Deal found 9/1![United Airlines logo]()
$737
This KAYAK deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:32 pm -
2 stops16h 23m
Tue 10/277:30 am -
2 stops20h 45m
Deal found 9/1![Lufthansa logo]()
$744
One-way flights from Milwaukee to BarcelonaSearch for one-way flight options from Milwaukee to Barcelona. Find affordable one-way fares based on user searches. Data last updated September 3, 2026.
Search for one-way flight options from Milwaukee to Barcelona. Find affordable one-way fares based on user searches. Data last updated September 3, 2026.
This TravelUp deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:32 pm -
1 stop11h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/29![Lufthansa logo]()
$461
This Delta deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/121:24 pm -
2 stops16h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/29![Delta logo]()
$463
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/162:48 pm -
3 stops22h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$464
This Gotogate deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:15 am -
2 stops42h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Air Canada logo]()
$467
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2010:10 am -
2 stops30h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$472
This TravelUp deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:38 pm -
1 stop31h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Lufthansa logo]()
$473
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:30 am -
3 stops23h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![WestJet logo]()
$477
This Kiwi.com deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:30 am -
3 stops47h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/29![WestJet logo]()
$482
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/233:53 pm -
3 stops37h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$485
This Faresmojo deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/210:55 am -
1 stop15h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![JetBlue logo]()
$503
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/23:03 pm -
3 stops51h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Multiple Airlines logo]()
$511
Find flight deals from Milwaukee to Barcelona
Discover tips and strategies to find the most affordable flight options for your journey from Milwaukee (MKE) to Barcelona (S37). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 3, 2026.
Round-trip from | $706 (United Airlines) |
|---|---|
One-way from | $461 (TravelUp) |
Popular in | May |
Cheapest in | November |
Average price | $1,090 |
Cheapflights 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, Cheapflights users made 7,457,451 searches. Data last updated September 3, 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
Cheapest round-trip
Quickest round-trip
MilwaukeeBarcelona
MKE Milwaukee-Mitchell - BCN Barcelona-El Prat
MKEBCN
Milwaukee-Mitchell
Mon 10/12
6:32 pm-1:15 pm
1 stop11h 43m
Barcelona-El Prat
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$461
MilwaukeeBarcelona
MKE Milwaukee-Mitchell - BCN Barcelona-El Prat
MKEBCN
Milwaukee-Mitchell
Mon 10/12
1:24 pm-12:50 pm
2 stops16h 26m
Barcelona-El Prat
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$463
MilwaukeeBarcelona
MKE Milwaukee-Mitchell - BCN Barcelona-El Prat
MKEBCN
Milwaukee-Mitchell
Sat 10/17
6:15 am-8:00 am
2 stops42h 45m
Barcelona-El Prat
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$467
MilwaukeeBarcelona
MKE Milwaukee-Mitchell - BCN Barcelona-El Prat
MKEBCN
Milwaukee-Mitchell
Sat 10/17
6:38 pm-9:00 am
1 stop31h 22m
Barcelona-El Prat
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$473
MilwaukeeBarcelona
MKE Milwaukee-Mitchell - BCN Barcelona-El Prat
MKEBCN
Milwaukee-Mitchell
Sat 10/17
6:30 am-12:30 pm
3 stops23h 00m
Barcelona-El Prat
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$477
MilwaukeeBarcelona
MKE Milwaukee-Mitchell - BCN Barcelona-El Prat
MKEBCN
Milwaukee-Mitchell
Fri 10/2
10:55 am-9:45 am
1 stop15h 50m
Barcelona-El Prat
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$503
MilwaukeeBarcelona
MKE Milwaukee-Mitchell - BCN Barcelona-El Prat
MKEBCN
Milwaukee-Mitchell
Fri 10/2
3:03 pm-1:25 am
3 stops51h 22m
Barcelona-El Prat
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$511
MilwaukeeBarcelona
MKE Milwaukee-Mitchell - BCN Barcelona-El Prat
MKEBCN
Milwaukee-Mitchell
Fri 10/2
11:35 am-8:45 am
2 stops14h 10m
Barcelona-El Prat
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$518
MilwaukeeBarcelona
MKE Milwaukee-Mitchell - BCN Barcelona-El Prat
MKEBCN
Milwaukee-Mitchell
Sun 9/20
11:45 am-9:00 am
1 stop14h 15m
Barcelona-El Prat
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$558
MilwaukeeBarcelona
MKE Milwaukee-Mitchell - BCN Barcelona-El Prat
MKEBCN
Milwaukee-Mitchell
Sat 9/19
7:05 pm-9:00 am
1 stop30h 55m
Barcelona-El Prat
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$572
Showing 1-10 of 20 resultsSorted by cheapest first
Best time to book a flight from Milwaukee to Barcelona
Have a flexible travel schedule? Discover the best time to fly to Barcelona from Milwaukee with our price prediction graph.
MKE-S37
MKE-BCN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Milwaukee to Barcelona
MKE-S37
MKE-BCN
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Barcelona
Get insights into the airlines that provide service to Barcelona. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Barcelona. Reviews last updated September 3, 2026.
Get a feel of what it's like to fly with United Airlines,American Airlines, andBritish Airways from Milwaukee to Barcelona by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.7
Overall
7.4
Comfort
7.3
Crew
8.1
Entertainment
7.1
Food
6.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Boarding
7.7
Overall
7.4
Comfort
7.3
Crew
8.1
Entertainment
7.1
Food
6.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Boarding
7.7
Overall
7.4
Comfort
7.3
Crew
8.1
Entertainment
7.1
Food
6.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Boarding
7.7
Overall
7.4
Comfort
7.3
Crew
8.1
Entertainment
7.1
Food
6.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Related info for your journey
Find useful and relevant information for your journey from Milwaukee to Barcelona. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Milwaukee to Barcelona
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Complete your trip
Complete your trip to Barcelona by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Milwaukee to Barcelona by cabin class
Find flights from Milwaukee to Barcelona, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Milwaukee and Barcelona flights
Browse other Milwaukee and Barcelona flight options. Last updated on September 3, 2026.
Other flights from Milwaukee
Browse through other flights departing from Milwaukee. Flights are based on user searches made on Cheapflights and were last updated on September 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Milwaukee to Barcelona
Discover the top 3 airlines that operate flights from Milwaukee to Barcelona. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$457 | Average$885 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$508 | Average$1,370 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$644 | Average$775 | FlexibilityNo cancel fee | On-time71% |