$460+ Cheap flights from Milwaukee (MKE) to Barcelona
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — BCN
Sep 21 — Sep 281
Round-trip
1 adult, Economy
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Find cheap flights from Milwaukee to Barcelona with Cheapflights
1. Tell us where you want to go
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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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 August 22, 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 August 22, 2026.
This FlightHub deal was found by Cheapflights users on 8/18. 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 9/2810:55 am -
1 stop15h 50m
Tue 10/612:50 pm -
1 stop28h 12m
Deal found 8/18![JetBlue logo]()
$776
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Sun 11/89:33 am -
1 stop20h 42m
Wed 11/251:35 pm -
2 stops27h 38m
Deal found 8/17![United Airlines logo]()
$783
This Air Canada deal was found by Cheapflights users on 8/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:00 am -
2 stops21h 35m
Wed 11/251:35 pm -
2 stops27h 38m
Deal found 8/17![Air Canada logo]()
$786
This United Airlines deal was found by Cheapflights users on 8/17. 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 -
2 stops16h 03m
Wed 11/251:35 pm -
2 stops27h 38m
Deal found 8/17![United Airlines logo]()
$787
This United Airlines deal was found by Cheapflights users on 8/17. 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 11/77:03 pm -
1 stop30h 17m
Wed 11/251:35 pm -
2 stops27h 38m
Deal found 8/17![United Airlines logo]()
$789
This FlightHub deal was found by Cheapflights users on 8/18. 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 stops16h 23m
Tue 10/66:40 am -
2 stops18h 00m
Deal found 8/18![Lufthansa logo]()
$800
This American Airlines deal was found by Cheapflights users on 8/18. 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 8/18![American Airlines logo]()
$802
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Sun 11/88:50 am -
1 stop21h 25m
Tue 11/246:50 am -
2 stops21h 00m
Deal found 8/17![United Airlines logo]()
$806
This United Airlines deal was found by Cheapflights users on 8/17. 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 -
2 stops16h 03m
Thu 11/2610:30 am -
2 stops19h 20m
Deal found 8/17![United Airlines logo]()
$808
This United Airlines deal was found by Cheapflights users on 8/17. 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 11/77:03 pm -
1 stop30h 17m
Thu 11/2611:00 am -
1 stop18h 50m
Deal found 8/17![United Airlines logo]()
$809
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 August 22, 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 August 22, 2026.
This United Airlines deal was found by Cheapflights users on 8/20. 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 2/16:10 am -
1 stop19h 10m
Fri 2/51:35 pm -
2 stops32h 29m
Deal found 8/20![United Airlines logo]()
$758
This FlightHub deal was found by Cheapflights users on 8/20. 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 9/2810:55 am -
1 stop15h 50m
Tue 10/612:50 pm -
1 stop28h 12m
Deal found 8/20![JetBlue logo]()
$776
This United Airlines deal was found by Cheapflights users on 8/21. 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 11/112:23 pm -
1 stop15h 52m
Wed 11/253:10 pm -
1 stop14h 05m
Deal found 8/21![United Airlines logo]()
$803
This United Airlines deal was found by Cheapflights users on 8/21. 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.
Sun 11/88:50 am -
1 stop21h 25m
Tue 11/2411:00 am -
1 stop18h 50m
Deal found 8/21![United Airlines logo]()
$803
This United Airlines deal was found by Cheapflights users on 8/17. 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 11/106:18 pm -
1 stop11h 57m
Tue 11/246:50 am -
2 stops22h 25m
Deal found 8/17![United Airlines logo]()
$806
This United Airlines deal was found by Cheapflights users on 8/21. 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 10/66:32 pm -
1 stop11h 43m
Tue 10/131:50 pm -
2 stops16h 09m
Deal found 8/21![United Airlines logo]()
$807
This United Airlines deal was found by Cheapflights users on 8/17. 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 11/1112:03 pm -
1 stop18h 12m
Fri 11/2010:30 am -
2 stops17h 20m
Deal found 8/17![United Airlines logo]()
$808
Last-minute flights from Milwaukee to BarcelonaDiscover last-minute flight deals from Milwaukee to Barcelona. Data last updated August 22, 2026 and is based on user searches.
Discover last-minute flight deals from Milwaukee to Barcelona. Data last updated August 22, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/19. 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 8/315:17 pm -
2 stops31h 43m
Wed 9/912:15 pm -
2 stops28h 45m
Deal found 8/19![United Airlines logo]()
$1,043
This KAYAK deal was found by Cheapflights users on 8/18. 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.
Sun 9/66:47 pm -
1 stop11h 28m
Sat 9/121:50 pm -
2 stops32h 21m
Deal found 8/18![Lufthansa logo]()
$1,177
This Cheapflightsfares deal was found by Cheapflights users on 8/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/138:31 am -
2 stops30h 59m
Sun 9/2011:10 pm -
2 stops29h 44m
Deal found 8/20![Aer Lingus logo]()
$1,060
This KAYAK deal was found by Cheapflights users on 8/20. 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.
Sun 9/1310:55 am -
1 stop15h 50m
Sun 9/2012:50 pm -
1 stop28h 12m
Deal found 8/20![JetBlue logo]()
$1,065
This Delta deal was found by Cheapflights users on 8/17. 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 9/134:57 pm -
2 stops15h 38m
Sun 9/206:20 am -
2 stops20h 14m
Deal found 8/17![Delta logo]()
$1,087
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Sun 9/136:00 am -
2 stops19h 00m
Sun 9/2012:00 pm -
1 stop18h 37m
Deal found 8/20![United Airlines logo]()
$1,107
This FlightHub deal was found by Cheapflights users on 8/18. 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 9/2810:55 am -
1 stop15h 50m
Tue 10/612:50 pm -
1 stop28h 12m
Deal found 8/18![JetBlue logo]()
$776
This FlightHub deal was found by Cheapflights users on 8/18. 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 stops16h 23m
Tue 10/66:40 am -
2 stops18h 00m
Deal found 8/18![Lufthansa logo]()
$800
This American Airlines deal was found by Cheapflights users on 8/18. 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 8/18![American Airlines logo]()
$802
This Air Canada deal was found by Cheapflights users on 8/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:30 am -
3 stops16h 30m
Tue 10/66:40 am -
3 stops21h 45m
Deal found 8/18![Air Canada logo]()
$953
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/18. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2810:55 am -
3 stops25h 25m
Tue 10/63:00 pm -
2 stops26h 02m
Deal found 8/18![Multiple Airlines logo]()
$1,007
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 August 22, 2026.
Search for one-way flight options from Milwaukee to Barcelona. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.
This Priceline deal was found by Cheapflights users on 8/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:19 pm -
2 stops15h 16m
Deal found 8/21![Iberia logo]()
$460
This TravelUp deal was found by Cheapflights users on 8/21. 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 10/56:32 pm -
1 stop11h 43m
Deal found 8/21![Lufthansa logo]()
$461
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 10/56:32 pm -
3 stops23h 03m
Deal found 8/21![Multiple Airlines logo]()
$544
This Cheapflightsfares deal was found by Cheapflights users on 8/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:20 am -
2 stops31h 10m
Deal found 8/18![Aer Lingus logo]()
$602
This Cheapflightsfares deal was found by Cheapflights users on 8/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/319:36 am -
1 stop17h 09m
Deal found 8/18![JetBlue logo]()
$776
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 8/316:48 pm -
3 stops35h 32m
Deal found 8/18![Multiple Airlines logo]()
$788
This Trip.com deal was found by Cheapflights users on 8/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:00 pm -
1 stop32h 55m
Deal found 8/17![British Airways logo]()
$886
This KAYAK deal was found by Cheapflights users on 8/19. 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.
Sat 9/2610:55 am -
1 stop15h 50m
Deal found 8/19![JetBlue logo]()
$4,266
This United Airlines deal was found by Cheapflights users on 8/19. 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 9/2610:42 am -
2 stops15h 18m
Deal found 8/19![United Airlines logo]()
$4,570
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 August 22, 2026.
Round-trip from | $757 (United Airlines) |
|---|---|
One-way from | $460 (Priceline) |
Popular in | May |
Cheapest in | November |
Average price | $775 |
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 August 22, 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
MilwaukeeBarcelona
MKE Milwaukee-Mitchell - BCN Barcelona-El Prat
MKEBCN
Milwaukee-Mitchell
Mon 2/1
6:10 am-8:20 am
1 stop19h 10m
Barcelona-El Prat
Fri 2/5
1:35 pm-3:04 pm
2 stops32h 29m
$758
MilwaukeeBarcelona
MKE Milwaukee-Mitchell - BCN Barcelona-El Prat
MKEBCN
Milwaukee-Mitchell
Mon 9/28
10:55 am-9:45 am
1 stop15h 50m
Barcelona-El Prat
Tue 10/6
12:50 pm-10:02 am
1 stop28h 12m
$776
MilwaukeeBarcelona
MKE Milwaukee-Mitchell - BCN Barcelona-El Prat
MKEBCN
Milwaukee-Mitchell
Wed 11/11
2:23 pm-1:15 pm
1 stop15h 52m
Barcelona-El Prat
Wed 11/25
3:10 pm-10:15 pm
1 stop14h 05m
$803
MilwaukeeBarcelona
MKE Milwaukee-Mitchell - BCN Barcelona-El Prat
MKEBCN
Milwaukee-Mitchell
Sun 11/8
8:50 am-1:15 pm
1 stop21h 25m
Barcelona-El Prat
Tue 11/24
11:00 am-10:50 pm
1 stop18h 50m
$803
MilwaukeeBarcelona
MKE Milwaukee-Mitchell - BCN Barcelona-El Prat
MKEBCN
Milwaukee-Mitchell
Tue 11/10
6:18 pm-1:15 pm
1 stop11h 57m
Barcelona-El Prat
Tue 11/24
6:50 am-10:15 pm
2 stops22h 25m
$806
Quickest round-trip
MilwaukeeBarcelona
MKE Milwaukee-Mitchell - BCN Barcelona-El Prat
MKEBCN
Milwaukee-Mitchell
Tue 10/6
6:32 pm-1:15 pm
1 stop11h 43m
Barcelona-El Prat
Tue 10/13
1:50 pm-10:59 pm
2 stops16h 09m
$807
MilwaukeeBarcelona
MKE Milwaukee-Mitchell - BCN Barcelona-El Prat
MKEBCN
Milwaukee-Mitchell
Wed 11/11
12:03 pm-1:15 pm
1 stop18h 12m
Barcelona-El Prat
Fri 11/20
10:30 am-8:50 pm
2 stops17h 20m
$808
Cheapest one-way
MilwaukeeBarcelona
MKE Milwaukee-Mitchell - BCN Barcelona-El Prat
MKEBCN
Milwaukee-Mitchell
Mon 10/5
7:19 pm-5:35 pm
2 stops15h 16m
$460
Quickest one-way
MilwaukeeBarcelona
MKE Milwaukee-Mitchell - BCN Barcelona-El Prat
MKEBCN
Milwaukee-Mitchell
Mon 10/5
6:32 pm-1:15 pm
1 stop11h 43m
$461
MilwaukeeBarcelona
MKE Milwaukee-Mitchell - BCN Barcelona-El Prat
MKEBCN
Milwaukee-Mitchell
Mon 8/31
8:20 am-10:30 pm
2 stops31h 10m
$602
Showing 1-10 of 14 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
How much does it cost to fly round-trip from Milwaukee to Barcelona?
Airfare is below average for this route at the moment.
Milwaukee to Barcelona flights typically cost between $852 and $1,034 in January.The cheapest round-trip price found within the last 5 days was $757 on United Airlines (Jan 11-Jan 15).
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 August 22, 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.
Overall
7.4
Crew
8.1
Entertainment
7.1
Comfort
7.3
Food
6.7
Boarding
7.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Overall
7.4
Crew
8.1
Entertainment
7.1
Comfort
7.3
Food
6.7
Boarding
7.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Overall
7.4
Crew
8.1
Entertainment
7.1
Comfort
7.3
Food
6.7
Boarding
7.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Overall
7.4
Crew
8.1
Entertainment
7.1
Comfort
7.3
Food
6.7
Boarding
7.7
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.
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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 August 22, 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 August 22, 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 August 22, 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% |