$351+ 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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — BCN
May 11 — May 181
Round-trip
1 adult, Economy
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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 April 11, 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 April 11, 2026.
This Air Canada deal was found by Cheapflights users on 4/10. 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.
Wed 11/45:00 am
MKE
- BCN
2 stops21h 35m
Air Canada
Wed 11/251:35 pm
BCN
- MKE
2 stops40h 04m
Air Canada
Deal found 4/10![Air Canada logo]()
$787
This Delta deal was found by Cheapflights users on 4/10. 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 11/47:00 am
MKE
- BCN
1 stop18h 35m
Delta
Wed 11/2510:50 am
BCN
- MKE
1 stop13h 55m
Delta
Deal found 4/10![Delta logo]()
$799
This United Airlines deal was found by Cheapflights users on 4/10. 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 11/87:00 pm
MKE
- BCN
1 stop11h 10m
United Airlines
Wed 11/253:05 pm
BCN
- MKE
1 stop16h 04m
United Airlines
Deal found 4/10![United Airlines logo]()
$803
This Delta deal was found by Cheapflights users on 4/10. 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 11/46:25 pm
MKE
- BCN
2 stops12h 35m
Delta
Tue 11/2410:30 am
BCN
- MKE
1 stop16h 38m
Delta
Deal found 4/10![Delta logo]()
$804
This KAYAK deal was found by Cheapflights users on 4/7. 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 11/711:15 am
MKE
- BCN
2 stops17h 15m
Scandinavian Airlines
Sun 11/2212:20 pm
BCN
- MKE
2 stops38h 48m
Scandinavian Airlines
Deal found 4/7![Scandinavian Airlines logo]()
$805
This United Airlines deal was found by Cheapflights users on 4/9. 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 9/217:00 pm
MKE
- BCN
1 stop11h 15m
United Airlines
Thu 10/112:15 pm
BCN
- MKE
2 stops18h 12m
United Airlines
Deal found 4/9![United Airlines logo]()
$806
This United Airlines deal was found by Cheapflights users on 4/9. 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 9/215:29 pm
MKE
- BCN
1 stop12h 46m
United Airlines
Wed 9/308:00 am
BCN
- MKE
2 stops17h 08m
United Airlines
Deal found 4/9![United Airlines logo]()
$807
This Air Canada deal was found by Cheapflights users on 4/10. 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.
Wed 11/45:00 am
MKE
- BCN
2 stops21h 35m
Air Canada
Thu 11/261:35 pm
BCN
- MKE
2 stops16h 04m
Air Canada
Deal found 4/10![Air Canada logo]()
$810
This United Airlines deal was found by Cheapflights users on 4/9. 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 9/217:30 am
MKE
- BCN
2 stops17h 50m
United Airlines
Tue 9/298:00 am
BCN
- MKE
2 stops17h 08m
United Airlines
Deal found 4/9![United Airlines logo]()
$811
This United Airlines deal was found by Cheapflights users on 4/9. 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 9/235:05 am
MKE
- BCN
1 stop25h 10m
United Airlines
Thu 10/18:00 am
BCN
- MKE
2 stops17h 39m
United Airlines
Deal found 4/9![United Airlines logo]()
$812
This United Airlines deal was found by Cheapflights users on 4/9. 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 9/232:40 pm
MKE
- BCN
2 stops16h 25m
United Airlines
Tue 9/298:00 am
BCN
- MKE
2 stops17h 08m
United Airlines
Deal found 4/9![United Airlines logo]()
$816
This American Airlines deal was found by Cheapflights users on 4/8. 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.
Fri 11/276:48 pm
MKE
- BCN
2 stops14h 42m
American Airlines
Fri 12/1111:05 am
BCN
- MKE
2 stops19h 25m
American Airlines
Deal found 4/8![American Airlines logo]()
$824
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 April 11, 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 April 11, 2026.
This British Airways deal was found by Cheapflights users on 4/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:16 pm
MKE
- BCN
2 stops15h 04m
British Airways
Sun 10/187:50 am
BCN
- MKE
2 stops18h 50m
British Airways
Deal found 4/10![British Airways logo]()
$887
This United Airlines deal was found by Cheapflights users on 4/9. 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 9/262:50 pm
MKE
- BCN
2 stops16h 35m
United Airlines
Tue 9/2912:15 pm
BCN
- MKE
2 stops17h 09m
United Airlines
Deal found 4/9![United Airlines logo]()
$888
This Delta deal was found by Cheapflights users on 4/9. 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.
Fri 7/314:52 pm
MKE
- BCN
2 stops15h 43m
Delta
Mon 8/1011:00 am
BCN
- MKE
1 stop13h 47m
Delta
Deal found 4/9![Delta logo]()
$1,153
This Virgin Atlantic deal was found by Cheapflights users on 4/7. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/314:15 pm
MKE
- BCN
1 stop13h 35m
Virgin Atlantic
Sat 12/1910:50 am
BCN
- MKE
1 stop17h 18m
Virgin Atlantic
Deal found 4/7![Virgin Atlantic logo]()
$1,220
This Turkish Airlines deal was found by Cheapflights users on 4/9. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/57:00 am
MKE
- BCN
2 stops33h 15m
Multiple Airlines
Sun 6/147:40 am
BCN
- MKE
2 stops32h 05m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$1,332
This British Airways deal was found by Cheapflights users on 4/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/124:26 pm
MKE
- BCN
1 stop11h 29m
British Airways
Tue 5/1910:30 am
BCN
- MKE
1 stop14h 30m
British Airways
Deal found 4/10![British Airways logo]()
$1,029
This TAP AIR PORTUGAL deal was found by Cheapflights users on 4/7. 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.
Thu 10/811:25 am
MKE
- BCN
2 stops16h 10m
Multiple Airlines
Sun 10/1811:25 am
BCN
- MKE
3 stops30h 10m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$1,348
Last-minute flights from Milwaukee to BarcelonaDiscover last-minute flight deals from Milwaukee to Barcelona. Data last updated April 11, 2026 and is based on user searches.
Discover last-minute flight deals from Milwaukee to Barcelona. Data last updated April 11, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 4/10. 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.
Sun 4/129:08 am
MKE
- BCN
1 stop18h 47m
American Airlines
Tue 4/2810:30 am
BCN
- MKE
1 stop14h 30m
American Airlines
Deal found 4/10![American Airlines logo]()
$949
This British Airways deal was found by Cheapflights users on 4/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/121:53 pm
MKE
- BCN
2 stops15h 47m
British Airways
Tue 4/2810:30 am
BCN
- MKE
1 stop20h 10m
British Airways
Deal found 4/10![British Airways logo]()
$955
This oojo deal was found by Cheapflights users on 4/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/44:26 pm
MKE
- BCN
1 stop11h 29m
British Airways
Wed 5/1310:30 am
BCN
- MKE
1 stop13h 37m
British Airways
Deal found 4/7![British Airways logo]()
$1,049
This Finnair deal was found by Cheapflights users on 4/7. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:00 am
MKE
- BCN
2 stops23h 40m
Multiple Airlines
Wed 5/137:00 pm
BCN
- MKE
2 stops29h 51m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$1,059
This British Airways deal was found by Cheapflights users on 4/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/124:26 pm
MKE
- BCN
1 stop11h 29m
British Airways
Tue 5/1910:30 am
BCN
- MKE
1 stop14h 30m
British Airways
Deal found 4/10![British Airways logo]()
$1,029
This Iberia deal was found by Cheapflights users on 4/10. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/122:00 pm
MKE
- BCN
2 stops15h 45m
Iberia
Tue 5/198:50 am
BCN
- MKE
2 stops16h 10m
Iberia
Deal found 4/10![Iberia logo]()
$1,161
This United Airlines deal was found by Cheapflights users on 4/8. 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 5/237:00 pm
MKE
- BCN
2 stops30h 00m
United Airlines
Sat 5/301:50 pm
BCN
- MKE
2 stops31h 24m
United Airlines
Deal found 4/8![United Airlines logo]()
$1,349
This Expedia deal was found by Cheapflights users on 4/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/257:15 am
MKE
- BCN
2 stops27h 55m
Scandinavian Airlines
Mon 6/17:00 pm
BCN
- MKE
2 stops33h 52m
Scandinavian Airlines
Deal found 4/10![Scandinavian Airlines logo]()
$1,204
This Ovago deal was found by Cheapflights users on 4/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2510:53 am
MKE
- BCN
1 stop15h 07m
Lufthansa
Mon 6/11:25 pm
BCN
- MKE
2 stops34h 17m
Lufthansa
Deal found 4/10![Lufthansa logo]()
$1,272
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 April 11, 2026.
Search for one-way flight options from Milwaukee to Barcelona. Find affordable one-way fares based on user searches. Data last updated April 11, 2026.
This oojo deal was found by Cheapflights users on 4/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:41 pm
MKE
- BCN
2 stops15h 24m
British Airways
Deal found 4/8![British Airways logo]()
$351
This Justfly.com deal was found by Cheapflights users on 4/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/44:26 pm
MKE
- BCN
2 stops23h 04m
Aer Lingus
Deal found 4/10![Aer Lingus logo]()
$459
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 6/217:05 am
MKE
- BCN
3 stops57h 20m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$527
This oojo deal was found by Cheapflights users on 4/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/44:26 pm
MKE
- BCN
1 stop11h 29m
British Airways
Deal found 4/7![British Airways logo]()
$557
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 6/217:05 am
MKE
- BCN
2 stops44h 00m
WestJet
Deal found 4/6![WestJet logo]()
$565
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 5/187:00 am
MKE
- BCN
3 stops57h 59m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$570
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 9/273:03 pm
MKE
- BCN
3 stops21h 37m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$575
This deal was found by Cheapflights users on 4/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2711:25 am
MKE
- BCN
1 stop15h 20m
JetBlue
Deal found 4/10![JetBlue logo]()
$603
This oojo deal was found by Cheapflights users on 4/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/184:47 pm
MKE
- BCN
2 stops17h 08m
TAP AIR PORTUGAL
Deal found 4/8![TAP AIR PORTUGAL logo]()
$661
This Virgin Atlantic deal was found by Cheapflights users on 4/8. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1811:33 am
MKE
- BCN
1 stop14h 02m
Virgin Atlantic
Deal found 4/8![Virgin Atlantic logo]()
$718
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 April 11, 2026.
Round-trip from | $806 (United Airlines) |
|---|---|
One-way from | $351 (oojo) |
Popular in | June |
Cheapest in | November |
Average price | $866 |
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 2,558,603 searches. Data last updated April 11, 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 - BCN
MKEBCN
Milwaukee-Mitchell
Thu 10/8
8:16 pm-6:20 pm
2 stops15h 04m
Barcelona-El Prat
Sun 10/18
7:50 am-7:40 pm
2 stops18h 50m
$887
MilwaukeeBarcelona
MKE - BCN
MKEBCN
Milwaukee-Mitchell
Sat 9/26
2:50 pm-2:25 pm
2 stops16h 35m
Barcelona-El Prat
Tue 9/29
12:15 pm-10:24 pm
2 stops17h 09m
$888
Quickest round-trip
MilwaukeeBarcelona
MKE - BCN
MKEBCN
Milwaukee-Mitchell
Tue 5/12
4:26 pm-10:55 am
1 stop11h 29m
Barcelona-El Prat
Tue 5/19
10:30 am-6:00 pm
1 stop14h 30m
$1,029
MilwaukeeBarcelona
MKE - BCN
MKEBCN
Milwaukee-Mitchell
Fri 7/31
4:52 pm-3:35 pm
2 stops15h 43m
Barcelona-El Prat
Mon 8/10
11:00 am-5:47 pm
1 stop13h 47m
$1,153
MilwaukeeBarcelona
MKE - BCN
MKEBCN
Milwaukee-Mitchell
Mon 8/31
4:15 pm-12:50 pm
1 stop13h 35m
Barcelona-El Prat
Sat 12/19
10:50 am-9:08 pm
1 stop17h 18m
$1,220
MilwaukeeBarcelona
MKE - BCN
MKEBCN
Milwaukee-Mitchell
Fri 6/5
7:00 am-11:15 pm
2 stops33h 15m
Barcelona-El Prat
Sun 6/14
7:40 am-8:45 am
2 stops32h 05m
$1,332
MilwaukeeBarcelona
MKE - BCN
MKEBCN
Milwaukee-Mitchell
Thu 10/8
11:25 am-10:35 am
2 stops16h 10m
Barcelona-El Prat
Sun 10/18
11:25 am-10:35 am
3 stops30h 10m
$1,348
Cheapest one-way
MilwaukeeBarcelona
MKE - BCN
MKEBCN
Milwaukee-Mitchell
Mon 5/4
4:26 pm-10:30 pm
2 stops23h 04m
$459
Quickest one-way
MilwaukeeBarcelona
MKE - BCN
MKEBCN
Milwaukee-Mitchell
Mon 5/4
4:26 pm-10:55 am
1 stop11h 29m
$557
MilwaukeeBarcelona
MKE - BCN
MKEBCN
Milwaukee-Mitchell
Sun 9/27
11:25 am-9:45 am
1 stop15h 20m
$603
Showing 1-10 of 12 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
What is the cheapest month to book a flight from Milwaukee to Barcelona?
Currently, February is the cheapest month in which you can book a flight from Milwaukee to Barcelona (average of $363). Flying from Milwaukee to Barcelona in June is currently the most expensive (average of $837). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Milwaukee to Barcelona?
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 April 11, 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
Entertainment
7.1
Overall
7.4
Food
6.6
Comfort
7.3
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Boarding
7.7
Entertainment
7.1
Overall
7.4
Food
6.6
Comfort
7.3
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Boarding
7.7
Entertainment
7.1
Overall
7.4
Food
6.6
Comfort
7.3
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Boarding
7.7
Entertainment
7.1
Overall
7.4
Food
6.6
Comfort
7.3
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
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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Milwaukee and Barcelona flights
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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 2,558,603 searches. Data last updated April 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$457 | Average$727 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$499 | Average$676 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$609 | Average$775 | FlexibilityNo cancel fee | On-time71% |