$154+ Cheap flights from Milwaukee (MKE) to Luis Munoz Marin Intl (SJU)
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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SJU
Oct 16 — Oct 231
Round-trip
1 adult, Economy
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Find cheap flights from Milwaukee to Luis Munoz Marin Intl 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Luis Munoz Marin Intl
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Last-minute
One-way
Cheapest flights from Milwaukee to Luis Munoz Marin IntlExplore the most affordable flight options available from Milwaukee to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2026.
Explore the most affordable flight options available from Milwaukee to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2026.
This Priceline deal was found by Cheapflights users on 9/15. 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.
Thu 10/810:15 am -
1 stop11h 50m
Sat 10/103:00 am -
1 stop7h 20m
Deal found 9/15![Frontier logo]()
$308
This FlightHub deal was found by Cheapflights users on 9/15. 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.
Thu 10/1510:15 am -
1 stop14h 38m
Mon 10/193:00 am -
1 stop7h 20m
Deal found 9/15![Frontier logo]()
$311
This FlightHub deal was found by Cheapflights users on 9/16. 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.
Thu 10/2910:15 am -
1 stop14h 35m
Mon 11/211:20 am -
1 stop23h 56m
Deal found 9/16![Frontier logo]()
$320
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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.
Thu 11/1210:15 am -
1 stop26h 28m
Thu 11/193:55 am -
1 stop15h 31m
Deal found 9/16![Frontier logo]()
$334
This Priceline deal was found by Cheapflights users on 9/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:15 am -
1 stop27h 21m
Sat 10/246:42 pm -
1 stop15h 38m
Deal found 9/12![Frontier logo]()
$338
This Priceline deal was found by Cheapflights users on 9/13. 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.
Thu 10/810:15 am -
1 stop14h 38m
Wed 10/143:00 am -
1 stop7h 20m
Deal found 9/13![Frontier logo]()
$362
This Frontier deal was found by Cheapflights users on 9/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/115:33 pm -
1 stop7h 09m
Mon 12/148:00 am -
1 stop10h 38m
Deal found 9/16![Frontier logo]()
$368
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Sat 11/148:40 am -
2 stops10h 33m
Sat 11/211:18 pm -
2 stops11h 22m
Deal found 9/16![American Airlines logo]()
$386
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/76:00 am -
2 stops15h 02m
Sun 10/112:53 pm -
1 stop18h 14m
Deal found 9/16![American Airlines logo]()
$391
Best flights from Milwaukee to Luis Munoz Marin IntlDiscover carefully curated flight deals from Milwaukee to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2026.
Discover carefully curated flight deals from Milwaukee to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2026.
This Southwest deal was found by Cheapflights users on 9/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/92:25 pm -
1 stop6h 30m
Mon 10/128:50 pm -
1 stop13h 05m
Deal found 9/16![Southwest logo]()
$386
This Delta deal was found by Cheapflights users on 9/15. 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 1/2110:25 am -
1 stop11h 25m
Sat 1/237:30 am -
1 stop9h 24m
Deal found 9/15![Delta logo]()
$386
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Sat 1/3012:30 pm -
2 stops10h 06m
Sat 2/68:05 am -
2 stops10h 41m
Deal found 9/12![United Airlines logo]()
$399
This Southwest deal was found by Cheapflights users on 9/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/241:05 pm -
2 stops9h 50m
Sat 10/316:50 am -
2 stops9h 35m
Deal found 9/12![Southwest logo]()
$386
This Southwest deal was found by Cheapflights users on 9/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:05 pm -
1 stop12h 05m
Fri 10/306:00 am -
2 stops10h 55m
Deal found 9/13![Southwest logo]()
$386
This Delta deal was found by Cheapflights users on 9/15. 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 1/2912:20 pm -
1 stop6h 40m
Sat 2/66:15 am -
1 stop7h 00m
Deal found 9/15![Delta logo]()
$440
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Thu 10/298:00 am -
2 stops14h 36m
Mon 11/24:55 pm -
1 stop7h 20m
Deal found 9/11![United Airlines logo]()
$476
This Southwest deal was found by Cheapflights users on 9/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/207:05 pm -
1 stop12h 45m
Sat 2/276:10 am -
2 stops9h 40m
Deal found 9/15![Southwest logo]()
$444
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 1/95:00 am -
1 stop7h 18m
Fri 1/152:05 am -
1 stop9h 41m
Deal found 9/11![United Airlines logo]()
$505
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/46:45 am -
1 stop7h 25m
Sat 2/137:30 am -
1 stop9h 24m
Deal found 9/11![Delta logo]()
$514
This Southwest deal was found by Cheapflights users on 9/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/67:05 pm -
1 stop12h 45m
Sat 3/139:40 pm -
1 stop12h 00m
Deal found 9/13![Southwest logo]()
$464
Last-minute flights from Milwaukee to Luis Munoz Marin IntlDiscover last-minute flight deals from Milwaukee to Luis Munoz Marin Intl. Data last updated September 16, 2026 and is based on user searches.
Discover last-minute flight deals from Milwaukee to Luis Munoz Marin Intl. Data last updated September 16, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/76:00 am -
2 stops15h 02m
Sun 10/112:53 pm -
1 stop18h 14m
Deal found 9/16![American Airlines logo]()
$391
This Priceline deal was found by Cheapflights users on 9/15. 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.
Thu 10/810:15 am -
1 stop11h 50m
Sat 10/103:00 am -
1 stop7h 20m
Deal found 9/15![Frontier logo]()
$308
This Priceline deal was found by Cheapflights users on 9/13. 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.
Thu 10/810:15 am -
1 stop14h 38m
Wed 10/143:00 am -
1 stop7h 20m
Deal found 9/13![Frontier logo]()
$362
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Sat 10/1010:42 am -
2 stops12h 08m
Fri 10/161:00 am -
2 stops11h 30m
Deal found 9/12![United Airlines logo]()
$399
This FlightHub deal was found by Cheapflights users on 9/15. 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.
Thu 10/1510:15 am -
1 stop14h 38m
Mon 10/193:00 am -
1 stop7h 20m
Deal found 9/15![Frontier logo]()
$311
This Southwest deal was found by Cheapflights users on 9/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1711:45 am -
1 stop8h 50m
Tue 10/2710:00 am -
1 stop7h 15m
Deal found 9/16![Southwest logo]()
$386
This American Airlines deal was found by Cheapflights users on 9/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:27 pm -
2 stops14h 19m
Mon 10/196:30 am -
2 stops11h 10m
Deal found 9/11![American Airlines logo]()
$400
This Priceline deal was found by Cheapflights users on 9/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:15 am -
1 stop27h 21m
Sat 10/246:42 pm -
1 stop15h 38m
Deal found 9/12![Frontier logo]()
$338
This FlightHub deal was found by Cheapflights users on 9/16. 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.
Thu 10/2910:15 am -
1 stop14h 35m
Mon 11/211:20 am -
1 stop23h 56m
Deal found 9/16![Frontier logo]()
$320
One-way flights from Milwaukee to Luis Munoz Marin IntlSearch for one-way flight options from Milwaukee to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated September 16, 2026.
Search for one-way flight options from Milwaukee to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated September 16, 2026.
This Expedia deal was found by Cheapflights users on 9/13. 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.
Thu 10/2910:15 am -
1 stop14h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$154
This deal was found by Cheapflights users on 9/13. 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.
Fri 12/115:33 pm -
1 stop7h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$184
This Southwest deal was found by Cheapflights users on 9/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:45 am -
2 stops9h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Southwest logo]()
$193
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/215:10 pm -
2 stops17h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![American Airlines logo]()
$198
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/126:27 pm -
2 stops16h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![American Airlines logo]()
$199
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Mon 11/306:25 pm -
2 stops14h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![American Airlines logo]()
$201
This Frontier deal was found by Cheapflights users on 9/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/105:33 pm -
1 stop7h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$208
This Priceline deal was found by Cheapflights users on 9/15. 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.
Sun 10/1810:15 am -
1 stop27h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$214
This Priceline deal was found by Cheapflights users on 9/14. 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.
Thu 10/110:10 am -
1 stop6h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$219
This Priceline deal was found by Cheapflights users on 9/15. 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.
Sun 9/2710:10 am -
1 stop14h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$220
This Orbitz deal was found by Cheapflights users on 9/15. 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.
Thu 9/2410:10 am -
1 stop14h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$221
This Southwest deal was found by Cheapflights users on 9/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/128:05 pm -
1 stop12h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Southwest logo]()
$222
Find flight deals from Milwaukee to Luis Munoz Marin Intl
Discover tips and strategies to find the most affordable flight options for your journey from Milwaukee (MKE) to Luis Munoz Marin Intl (SJU). 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 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $308 (Priceline) |
One-way from | $154 (Expedia) |
Popular in | December |
Cheapest in | September |
Average price | $366 |
Cheapflights Fare Finder
Customize your flight search to find flights from Milwaukee to Luis Munoz Marin Intl 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 16, 2026.
Use the filters below to find and compare flights from Milwaukee to San Juan Luis Munoz Marin Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
MilwaukeeSan Juan
MKE Milwaukee-Mitchell - SJU San Juan Luis Munoz Marin Intl
MKESJU
Milwaukee-Mitchell
Sat 11/7
10:50 am-8:30 pm
1 stop7h 40m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$193
MilwaukeeSan Juan
MKE Milwaukee-Mitchell - SJU San Juan Luis Munoz Marin Intl
MKESJU
Milwaukee-Mitchell
Sat 11/7
10:48 am-12:36 am
2 stops11h 48m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$193
MilwaukeeSan Juan
MKE Milwaukee-Mitchell - SJU San Juan Luis Munoz Marin Intl
MKESJU
Milwaukee-Mitchell
Mon 10/5
4:35 pm-1:25 am
2 stops7h 50m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$193
MilwaukeeSan Juan
MKE Milwaukee-Mitchell - SJU San Juan Luis Munoz Marin Intl
MKESJU
Milwaukee-Mitchell
Fri 10/16
12:20 pm-12:25 am
2 stops11h 05m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$193
MilwaukeeSan Juan
MKE Milwaukee-Mitchell - SJU San Juan Luis Munoz Marin Intl
MKESJU
Milwaukee-Mitchell
Sat 10/17
5:30 am-3:15 pm
1 stop8h 45m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$193
MilwaukeeSan Juan
MKE Milwaukee-Mitchell - SJU San Juan Luis Munoz Marin Intl
MKESJU
Milwaukee-Mitchell
Mon 10/12
8:05 pm-9:10 am
1 stop12h 05m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$193
MilwaukeeSan Juan
MKE Milwaukee-Mitchell - SJU San Juan Luis Munoz Marin Intl
MKESJU
Milwaukee-Mitchell
Wed 10/14
7:10 am-5:45 pm
2 stops9h 35m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$222
MilwaukeeSan Juan
MKE Milwaukee-Mitchell - SJU San Juan Luis Munoz Marin Intl
MKESJU
Milwaukee-Mitchell
Wed 10/21
6:15 am-8:38 pm
2 stops13h 23m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$238
MilwaukeeSan Juan
MKE Milwaukee-Mitchell - SJU San Juan Luis Munoz Marin Intl
MKESJU
Milwaukee-Mitchell
Fri 10/9
2:25 pm-9:55 pm
1 stop6h 30m
San Juan Luis Munoz Marin Intl
Mon 10/12
8:50 pm-8:55 am
1 stop13h 05m
$386
MilwaukeeSan Juan
MKE Milwaukee-Mitchell - SJU San Juan Luis Munoz Marin Intl
MKESJU
Milwaukee-Mitchell
Thu 1/21
10:25 am-11:50 pm
1 stop11h 25m
San Juan Luis Munoz Marin Intl
Sat 1/23
7:30 am-2:54 pm
1 stop9h 24m
$386
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Milwaukee to Luis Munoz Marin Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Milwaukee to Luis Munoz Marin Intl in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Milwaukee-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Milwaukee-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Milwaukee-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Milwaukee-San Juan Luis Munoz Marin Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Milwaukee-San Juan Luis Munoz Marin Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Milwaukee to Luis Munoz Marin Intl
Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Milwaukee with our price prediction graph.
MKE-SJU
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 San Juan Luis Munoz Marin Intl Airport
Prices
More
How far ahead should I book a flight from Milwaukee to San Juan Luis Munoz Marin Intl Airport?
The price you pay for your flight from Milwaukee to San Juan Luis Munoz Marin Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 52 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Milwaukee to San Juan Luis Munoz Marin Intl Airport?
Currently, September is the cheapest month in which you can book a flight from Milwaukee to San Juan Luis Munoz Marin Intl Airport (average of $366). Flying from Milwaukee to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $761). 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 San Juan Luis Munoz Marin Intl Airport?
Airfare is below average for this route at the moment.
Milwaukee to San Juan Luis Munoz Marin Intl Airport flights typically cost between $312 and $399 in October.The cheapest round-trip price found within the last 5 days was $308 on Frontier (Oct 8-Oct 10).
What’s the top layover airport for flights from Milwaukee to San Juan Luis Munoz Marin Intl Airport?
Share of 1-stop round-trip flights from Milwaukee to San Juan Luis Munoz Marin Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Orlando (MCO) – chosen by Cheapflights users on 67% of 1-stop itineraries from Milwaukee to San Juan Luis Munoz Marin Intl Airport on Cheapflights.
What’s the cheapest layover airport for flights from Milwaukee to San Juan Luis Munoz Marin Intl Airport?
Average round-trip fare for 1-stop flights from Milwaukee to San Juan Luis Munoz Marin Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Charlotte (CLT) is the most affordable 1-stop option, with an average round-trip price of $326.
What’s the fastest layover option from Milwaukee to San Juan Luis Munoz Marin Intl Airport?
Shortest average travel time for 1-stop one-way flights from Milwaukee to San Juan Luis Munoz Marin Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Charlotte (CLT) have the shortest average one-way travel time for 1-stop routes: 6h 50m.
Which airport typically offers the quickest layover for flights from Milwaukee to San Juan Luis Munoz Marin Intl Airport?
Average layover duration for 1-stop one-way flights from Milwaukee to San Juan Luis Munoz Marin Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Charlotte (CLT) offer the fastest connection on this route, with an average layover time of 1h 35m.
Reviews of airlines servicing Luis Munoz Marin Intl
Get insights into the airlines that provide service to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl. Reviews last updated September 16, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Milwaukee to San Juan Luis Munoz Marin Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Related info for your journey
Find useful and relevant information for your journey from Milwaukee to Luis Munoz Marin Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Juan Luis Munoz Marin Intl Airport?
Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locationsFajardo
Luquillo
Rio Grande
Dorado
Humacao
Bayamón
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Top 5 airlines flying from Milwaukee to Luis Munoz Marin Intl
Discover the top 5 airlines that operate flights from Milwaukee to Luis Munoz Marin Intl. 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 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$156 | Average$356 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$224 | Average$431 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$235 | Average$477 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$256 | Average$475 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$320 | Average$475 | FlexibilityNo cancel fee | On-time63% |