$359+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — BCN
Dec 13 — Dec 201
Round-trip
1 adult, Economy
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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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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 November 13, 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 November 13, 2026.
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Thu 12/109:15 am -
2 stops16h 05m
Thu 12/1711:00 am -
1 stop13h 54m
Deal found 11/10![United Airlines logo]()
$814
This FlightHub deal was found by Cheapflights users on 11/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:18 pm -
2 stops16h 17m
Thu 11/269:55 am -
2 stops19h 55m
Deal found 11/9![Lufthansa logo]()
$861
This Air France deal was found by Cheapflights users on 11/9. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1312:42 pm -
1 stop12h 58m
Thu 11/2610:35 am -
1 stop14h 36m
Deal found 11/9![Air France logo]()
$865
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Thu 12/248:20 am -
2 stops17h 40m
Tue 12/296:50 am -
2 stops18h 01m
Deal found 11/10![United Airlines logo]()
$1,057
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Fri 12/257:00 pm -
2 stops15h 35m
Tue 12/296:50 am -
2 stops18h 01m
Deal found 11/10![United Airlines logo]()
$1,059
This United Airlines deal was found by Cheapflights users on 11/8. 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.
Wed 12/236:35 pm -
2 stops32h 00m
Wed 12/301:50 pm -
2 stops35h 01m
Deal found 11/8![United Airlines logo]()
$1,071
This Delta deal was found by Cheapflights users on 11/10. 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.
Fri 12/257:00 am -
1 stop18h 40m
Tue 12/296:00 am -
2 stops17h 35m
Deal found 11/10![Delta logo]()
$1,079
This Delta deal was found by Cheapflights users on 11/10. 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.
Thu 12/245:27 pm -
1 stop32h 13m
Tue 12/296:00 am -
2 stops22h 21m
Deal found 11/10![Delta logo]()
$1,085
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 November 13, 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 November 13, 2026.
This Delta deal was found by Cheapflights users on 11/9. 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.
Mon 2/157:00 am -
1 stop18h 40m
Wed 3/310:50 am -
1 stop20h 06m
Deal found 11/9![Delta logo]()
$770
This United Airlines deal was found by Cheapflights users on 11/12. 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 2/147:20 am -
2 stops18h 40m
Thu 2/181:35 pm -
2 stops27h 27m
Deal found 11/12![United Airlines logo]()
$772
This British Airways deal was found by Cheapflights users on 11/10. 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 3/212:23 pm -
2 stops16h 17m
Wed 3/3110:30 am -
1 stop19h 34m
Deal found 11/10![British Airways logo]()
$803
This American Airlines deal was found by Cheapflights users on 11/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/106:00 am -
1 stop20h 10m
Thu 12/1712:00 pm -
1 stop16h 40m
Deal found 11/9![American Airlines logo]()
$815
This United Airlines deal was found by Cheapflights users on 11/12. 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 4/187:00 pm -
1 stop11h 15m
Fri 4/233:15 pm -
1 stop14h 24m
Deal found 11/12![United Airlines logo]()
$788
This United Airlines deal was found by Cheapflights users on 11/11. 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.
Fri 2/126:42 pm -
2 stops55h 18m
Wed 2/1710:30 am -
2 stops17h 27m
Deal found 11/11![United Airlines logo]()
$803
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Thu 12/109:15 am -
2 stops16h 05m
Thu 12/1711:00 am -
1 stop13h 54m
Deal found 11/10![United Airlines logo]()
$814
Last-minute flights from Milwaukee to BarcelonaDiscover last-minute flight deals from Milwaukee to Barcelona. Data last updated November 13, 2026 and is based on user searches.
Discover last-minute flight deals from Milwaukee to Barcelona. Data last updated November 13, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 11/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:18 pm -
2 stops16h 17m
Thu 11/269:55 am -
2 stops19h 55m
Deal found 11/9![Lufthansa logo]()
$861
This Air France deal was found by Cheapflights users on 11/12. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1312:42 pm -
1 stop12h 58m
Thu 11/2610:35 am -
1 stop14h 36m
Deal found 11/12![Air France logo]()
$865
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Thu 12/109:15 am -
2 stops16h 05m
Thu 12/1711:00 am -
1 stop13h 54m
Deal found 11/10![United Airlines logo]()
$814
This United Airlines deal was found by Cheapflights users on 11/8. 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.
Wed 12/236:35 pm -
2 stops32h 00m
Wed 12/301:50 pm -
2 stops35h 01m
Deal found 11/8![United Airlines logo]()
$1,071
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Thu 12/248:20 am -
2 stops17h 40m
Tue 12/296:50 am -
2 stops18h 01m
Deal found 11/10![United Airlines logo]()
$1,057
This Delta deal was found by Cheapflights users on 11/10. 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.
Thu 12/245:27 pm -
1 stop32h 13m
Tue 12/296:00 am -
2 stops22h 21m
Deal found 11/10![Delta logo]()
$1,085
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Fri 12/257:00 pm -
2 stops15h 35m
Tue 12/296:50 am -
2 stops18h 01m
Deal found 11/10![United Airlines logo]()
$1,059
This Delta deal was found by Cheapflights users on 11/10. 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.
Fri 12/257:00 am -
1 stop18h 40m
Tue 12/296:00 am -
2 stops17h 35m
Deal found 11/10![Delta logo]()
$1,079
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 November 13, 2026.
Search for one-way flight options from Milwaukee to Barcelona. Find affordable one-way fares based on user searches. Data last updated November 13, 2026.
This FlightHub deal was found by Cheapflights users on 11/11. 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.
Wed 5/54:26 pm -
2 stops14h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/11![British Airways logo]()
$359
This American Airlines deal was found by Cheapflights users on 11/12. 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 5/511:13 am -
1 stop12h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/12![American Airlines logo]()
$441
This TAP AIR PORTUGAL deal was found by Cheapflights users on 11/9. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/511:50 am -
3 stops27h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Multiple Airlines logo]()
$481
This American Airlines deal was found by Cheapflights users on 11/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/63:34 pm -
2 stops15h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![American Airlines logo]()
$595
This British Airways deal was found by Cheapflights users on 11/12. 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.
Wed 1/63:34 pm -
2 stops15h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/12![British Airways logo]()
$601
This Air Canada deal was found by Cheapflights users on 11/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/712:45 pm -
2 stops13h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Multiple Airlines logo]()
$608
This Delta deal was found by Cheapflights users on 11/9. 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.
Thu 1/712:21 pm -
1 stop13h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Delta logo]()
$613
This Delta deal was found by Cheapflights users on 11/10. 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.
Fri 1/83:26 pm -
2 stops16h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Delta logo]()
$617
This American Airlines deal was found by Cheapflights users on 11/12. 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.
Thu 1/712:35 pm -
1 stop13h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/12![American Airlines logo]()
$645
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 November 13, 2026.
Round-trip from | $770 (Delta) |
|---|---|
One-way from | $359 (FlightHub) |
Popular in | May |
Cheapest in | January |
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 November 13, 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
Wed 5/5
4:26 pm-2:15 pm
2 stops14h 49m
Barcelona-El Prat
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$359
Quickest round-trip
MilwaukeeBarcelona
MKE Milwaukee-Mitchell - BCN Barcelona-El Prat
MKEBCN
Milwaukee-Mitchell
Wed 5/5
11:13 am-6:45 am
1 stop12h 32m
Barcelona-El Prat
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$441
MilwaukeeBarcelona
MKE Milwaukee-Mitchell - BCN Barcelona-El Prat
MKEBCN
Milwaukee-Mitchell
Wed 5/5
11:50 am-9:50 pm
3 stops27h 00m
Barcelona-El Prat
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$481
MilwaukeeBarcelona
MKE Milwaukee-Mitchell - BCN Barcelona-El Prat
MKEBCN
Milwaukee-Mitchell
Wed 1/6
3:34 pm-1:45 pm
2 stops15h 11m
Barcelona-El Prat
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$595
MilwaukeeBarcelona
MKE Milwaukee-Mitchell - BCN Barcelona-El Prat
MKEBCN
Milwaukee-Mitchell
Mon 2/15
7:00 am-8:40 am
1 stop18h 40m
Barcelona-El Prat
Wed 3/3
10:50 am-11:56 pm
1 stop20h 06m
$770
MilwaukeeBarcelona
MKE Milwaukee-Mitchell - BCN Barcelona-El Prat
MKEBCN
Milwaukee-Mitchell
Sun 2/14
7:20 am-9:00 am
2 stops18h 40m
Barcelona-El Prat
Thu 2/18
1:35 pm-10:02 am
2 stops27h 27m
$772
MilwaukeeBarcelona
MKE Milwaukee-Mitchell - BCN Barcelona-El Prat
MKEBCN
Milwaukee-Mitchell
Sun 4/18
7:00 pm-1:15 pm
1 stop11h 15m
Barcelona-El Prat
Fri 4/23
3:15 pm-10:39 pm
1 stop14h 24m
$788
MilwaukeeBarcelona
MKE Milwaukee-Mitchell - BCN Barcelona-El Prat
MKEBCN
Milwaukee-Mitchell
Sun 3/21
2:23 pm-12:40 pm
2 stops16h 17m
Barcelona-El Prat
Wed 3/31
10:30 am-11:04 pm
1 stop19h 34m
$803
MilwaukeeBarcelona
MKE Milwaukee-Mitchell - BCN Barcelona-El Prat
MKEBCN
Milwaukee-Mitchell
Fri 2/12
6:42 pm-9:00 am
2 stops55h 18m
Barcelona-El Prat
Wed 2/17
10:30 am-8:57 pm
2 stops17h 27m
$803
MilwaukeeBarcelona
MKE Milwaukee-Mitchell - BCN Barcelona-El Prat
MKEBCN
Milwaukee-Mitchell
Thu 12/10
9:15 am-8:20 am
2 stops16h 05m
Barcelona-El Prat
Thu 12/17
11:00 am-5:54 pm
1 stop13h 54m
$814
Showing 1-10 of 11 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 November 13, 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
Crew
8.1
Entertainment
7.1
Overall
7.3
Comfort
7.3
Food
6.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Boarding
7.7
Crew
8.1
Entertainment
7.1
Overall
7.3
Comfort
7.3
Food
6.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Boarding
7.7
Crew
8.1
Entertainment
7.1
Overall
7.3
Comfort
7.3
Food
6.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Boarding
7.7
Crew
8.1
Entertainment
7.1
Overall
7.3
Comfort
7.3
Food
6.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
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 November 13, 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 November 13, 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 November 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$457 | Average$885 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$676 | Average$1,370 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$693 | Average$845 | FlexibilityNo cancel fee | On-time71% |