$119+ Cheap flights from Milwaukee (MKE) to Luis Munoz Marin Intl (SJU)
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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SJU
Sep 13 — Sep 201
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
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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 Luis Munoz Marin Intl
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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 August 14, 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 August 14, 2026.
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Fri 9/112:02 pm -
2 stops18h 22m
Fri 9/1810:16 am -
2 stops11h 54m
Deal found 8/11![American Airlines logo]()
$238
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Wed 9/211:27 am -
2 stops11h 32m
Wed 9/96:00 am -
2 stops11h 53m
Deal found 8/10![American Airlines logo]()
$243
This Priceline deal was found by Cheapflights users on 8/12. 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.
Thu 9/312:10 pm -
1 stop19h 01m
Sat 9/53:10 am -
1 stop9h 03m
Deal found 8/12![Frontier logo]()
$248
This FlightHub deal was found by Cheapflights users on 8/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:03 pm -
1 stop16h 13m
Mon 11/27:05 am -
1 stop14h 03m
Deal found 8/12![Frontier logo]()
$251
This Southwest deal was found by Cheapflights users on 8/13. 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 9/126:00 am -
1 stop9h 40m
Sat 9/196:25 am -
1 stop9h 45m
Deal found 8/13![Southwest logo]()
$258
This Faresmojo deal was found by Cheapflights users on 8/10. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:05 am -
1 stop8h 44m
Fri 10/305:59 pm -
1 stop6h 54m
Deal found 8/10![JetBlue logo]()
$265
This Southwest deal was found by Cheapflights users on 8/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:55 pm -
1 stop7h 20m
Fri 9/186:30 am -
1 stop10h 50m
Deal found 8/11![Southwest logo]()
$292
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Tue 9/12:49 pm -
1 stop8h 10m
Fri 9/112:22 pm -
1 stop7h 48m
Deal found 8/10![American Airlines logo]()
$308
This Southwest deal was found by Cheapflights users on 8/12. 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.
Thu 9/1711:00 am -
1 stop11h 10m
Mon 9/286:30 am -
2 stops9h 55m
Deal found 8/12![Southwest logo]()
$312
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Wed 9/25:00 am -
2 stops10h 11m
Thu 9/106:00 am -
2 stops11h 41m
Deal found 8/10![American Airlines logo]()
$313
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Mon 9/75:00 am -
1 stop17h 15m
Sat 9/193:41 pm -
2 stops17h 20m
Deal found 8/11![American Airlines logo]()
$317
This Faresmojo deal was found by Cheapflights users on 8/11. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1610:30 am -
1 stop9h 30m
Sun 9/209:25 pm -
1 stop12h 25m
Deal found 8/11![JetBlue logo]()
$319
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 August 14, 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 August 14, 2026.
This Southwest deal was found by Cheapflights users on 8/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/152:05 pm -
1 stop7h 00m
Tue 9/221:20 pm -
2 stops9h 00m
Deal found 8/11![Southwest logo]()
$292
This American Airlines deal was found by Cheapflights users on 8/8. 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.
Thu 9/248:14 pm -
2 stops17h 36m
Mon 9/286:00 am -
2 stops11h 41m
Deal found 8/8![American Airlines logo]()
$346
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Mon 9/285:00 am -
1 stop8h 44m
Sun 10/43:56 pm -
1 stop8h 03m
Deal found 8/11![United Airlines logo]()
$346
This Southwest deal was found by Cheapflights users on 8/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1112:30 pm -
1 stop9h 25m
Fri 9/1811:35 am -
1 stop10h 15m
Deal found 8/11![Southwest logo]()
$292
This Southwest deal was found by Cheapflights users on 8/13. 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 9/125:45 am -
2 stops9h 55m
Sat 9/196:25 am -
1 stop9h 45m
Deal found 8/13![Southwest logo]()
$340
This Southwest deal was found by Cheapflights users on 8/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:55 pm -
1 stop9h 00m
Mon 9/286:30 am -
1 stop10h 50m
Deal found 8/8![Southwest logo]()
$346
This Southwest deal was found by Cheapflights users on 8/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:55 pm -
1 stop13h 25m
Wed 10/212:25 pm -
2 stops9h 15m
Deal found 8/9![Southwest logo]()
$346
This Southwest deal was found by Cheapflights users on 8/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:55 pm -
1 stop13h 25m
Sat 10/243:05 pm -
1 stop7h 20m
Deal found 8/8![Southwest logo]()
$346
This Southwest deal was found by Cheapflights users on 8/13. 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.
Thu 10/85:00 am -
1 stop10h 45m
Mon 10/128:50 pm -
1 stop13h 05m
Deal found 8/13![Southwest logo]()
$366
This Southwest deal was found by Cheapflights users on 8/13. 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.
Thu 10/83:45 pm -
1 stop6h 20m
Tue 10/136:35 am -
1 stop12h 00m
Deal found 8/13![Southwest logo]()
$366
Last-minute flights from Milwaukee to Luis Munoz Marin IntlDiscover last-minute flight deals from Milwaukee to Luis Munoz Marin Intl. Data last updated August 14, 2026 and is based on user searches.
Discover last-minute flight deals from Milwaukee to Luis Munoz Marin Intl. Data last updated August 14, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Tue 9/16:00 am -
2 stops11h 33m
Thu 9/106:00 am -
2 stops11h 41m
Deal found 8/10![American Airlines logo]()
$308
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Wed 9/211:27 am -
2 stops11h 32m
Wed 9/96:00 am -
2 stops11h 53m
Deal found 8/10![American Airlines logo]()
$243
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Wed 9/25:00 am -
2 stops10h 11m
Thu 9/106:00 am -
2 stops11h 41m
Deal found 8/10![American Airlines logo]()
$313
This Priceline deal was found by Cheapflights users on 8/12. 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.
Thu 9/312:10 pm -
1 stop19h 01m
Sat 9/53:10 am -
1 stop9h 03m
Deal found 8/12![Frontier logo]()
$248
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Mon 9/75:00 am -
1 stop17h 15m
Sat 9/193:41 pm -
2 stops17h 20m
Deal found 8/11![American Airlines logo]()
$317
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Fri 9/112:02 pm -
2 stops18h 22m
Fri 9/1810:16 am -
2 stops11h 54m
Deal found 8/11![American Airlines logo]()
$238
This Southwest deal was found by Cheapflights users on 8/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:55 pm -
1 stop7h 20m
Fri 9/186:30 am -
1 stop10h 50m
Deal found 8/11![Southwest logo]()
$292
This Southwest deal was found by Cheapflights users on 8/13. 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 9/126:00 am -
1 stop9h 40m
Sat 9/196:25 am -
1 stop9h 45m
Deal found 8/13![Southwest logo]()
$258
This Faresmojo deal was found by Cheapflights users on 8/11. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1610:30 am -
1 stop9h 30m
Sun 9/209:25 pm -
1 stop12h 25m
Deal found 8/11![JetBlue logo]()
$319
This Southwest deal was found by Cheapflights users on 8/12. 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.
Thu 9/1711:00 am -
1 stop11h 10m
Mon 9/286:30 am -
2 stops9h 55m
Deal found 8/12![Southwest logo]()
$312
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Thu 9/245:11 pm -
2 stops16h 49m
Mon 9/286:00 am -
2 stops14h 33m
Deal found 8/11![American Airlines logo]()
$332
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 August 14, 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 August 14, 2026.
This American Airlines deal was found by Cheapflights users on 8/11. 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
Deal found 8/11![American Airlines logo]()
$119
This Faresmojo deal was found by Cheapflights users on 8/13. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/92:05 pm -
1 stop7h 00m
Deal found 8/13![JetBlue logo]()
$120
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Wed 9/212:58 pm -
1 stop8h 26m
Deal found 8/11![American Airlines logo]()
$124
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Mon 9/218:14 pm -
2 stops17h 36m
Deal found 8/11![American Airlines logo]()
$125
This Southwest deal was found by Cheapflights users on 8/13. 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 9/126:00 am -
1 stop9h 40m
Deal found 8/13![Southwest logo]()
$129
This American Airlines deal was found by Cheapflights users on 8/13. 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 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
Deal found 8/13![American Airlines logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/812:10 pm -
1 stop28h 33m
Deal found 8/11![Frontier logo]()
$162
This Delta deal was found by Cheapflights users on 8/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/212:55 pm -
1 stop6h 24m
Deal found 8/12![Delta logo]()
$173
This United Airlines deal was found by Cheapflights users on 8/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1210:30 am -
2 stops12h 20m
Deal found 8/13![United Airlines logo]()
$183
This American Airlines deal was found by Cheapflights users on 8/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:28 am -
2 stops14h 27m
Deal found 8/13![American Airlines logo]()
$187
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 August 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $238 (American Airlines) |
One-way from | $119 (American Airlines) |
Popular in | December |
Cheapest in | October |
Average price | $414 |
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 2,558,603 searches. Data last updated August 14, 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
Tue 9/15
2:05 pm-10:05 pm
1 stop7h 00m
San Juan Luis Munoz Marin Intl
Tue 9/22
1:20 pm-9:20 pm
2 stops9h 00m
$292
MilwaukeeSan Juan
MKE Milwaukee-Mitchell - SJU San Juan Luis Munoz Marin Intl
MKESJU
Milwaukee-Mitchell
Fri 9/11
12:30 pm-10:55 pm
1 stop9h 25m
San Juan Luis Munoz Marin Intl
Fri 9/18
11:35 am-8:50 pm
1 stop10h 15m
$292
MilwaukeeSan Juan
MKE Milwaukee-Mitchell - SJU San Juan Luis Munoz Marin Intl
MKESJU
Milwaukee-Mitchell
Sat 9/12
5:45 am-4:40 pm
2 stops9h 55m
San Juan Luis Munoz Marin Intl
Sat 9/19
6:25 am-3:10 pm
1 stop9h 45m
$340
MilwaukeeSan Juan
MKE Milwaukee-Mitchell - SJU San Juan Luis Munoz Marin Intl
MKESJU
Milwaukee-Mitchell
Thu 9/24
8:14 pm-2:50 pm
2 stops17h 36m
San Juan Luis Munoz Marin Intl
Mon 9/28
6:00 am-4:41 pm
2 stops11h 41m
$346
MilwaukeeSan Juan
MKE Milwaukee-Mitchell - SJU San Juan Luis Munoz Marin Intl
MKESJU
Milwaukee-Mitchell
Mon 9/28
5:00 am-2:44 pm
1 stop8h 44m
San Juan Luis Munoz Marin Intl
Sun 10/4
3:56 pm-10:59 pm
1 stop8h 03m
$346
MilwaukeeSan Juan
MKE Milwaukee-Mitchell - SJU San Juan Luis Munoz Marin Intl
MKESJU
Milwaukee-Mitchell
Thu 9/24
1:55 pm-11:55 pm
1 stop9h 00m
San Juan Luis Munoz Marin Intl
Mon 9/28
6:30 am-4:20 pm
1 stop10h 50m
$346
MilwaukeeSan Juan
MKE Milwaukee-Mitchell - SJU San Juan Luis Munoz Marin Intl
MKESJU
Milwaukee-Mitchell
Wed 10/14
6:55 pm-9:20 am
1 stop13h 25m
San Juan Luis Munoz Marin Intl
Wed 10/21
2:25 pm-10:40 pm
2 stops9h 15m
$346
MilwaukeeSan Juan
MKE Milwaukee-Mitchell - SJU San Juan Luis Munoz Marin Intl
MKESJU
Milwaukee-Mitchell
Wed 10/14
6:55 pm-9:20 am
1 stop13h 25m
San Juan Luis Munoz Marin Intl
Sat 10/24
3:05 pm-9:25 pm
1 stop7h 20m
$346
MilwaukeeSan Juan
MKE Milwaukee-Mitchell - SJU San Juan Luis Munoz Marin Intl
MKESJU
Milwaukee-Mitchell
Thu 10/8
5:00 am-4:45 pm
1 stop10h 45m
San Juan Luis Munoz Marin Intl
Mon 10/12
8:50 pm-8:55 am
1 stop13h 05m
$366
MilwaukeeSan Juan
MKE Milwaukee-Mitchell - SJU San Juan Luis Munoz Marin Intl
MKESJU
Milwaukee-Mitchell
Thu 10/8
3:45 pm-11:05 pm
1 stop6h 20m
San Juan Luis Munoz Marin Intl
Tue 10/13
6:35 am-5:35 pm
1 stop12h 00m
$366
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 August.
| 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, October is the cheapest month in which you can book a flight from Milwaukee to San Juan Luis Munoz Marin Intl Airport (average of $326). Flying from Milwaukee to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $753). 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 $366 and $480 in September.The cheapest round-trip price found within the last 5 days was $238 on American Airlines (Sep 11-Sep 18).
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 August 14, 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.
Food
7.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
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
Dorado
Rio Grande
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 2,558,603 searches. Data last updated August 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$156 | Average$360 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$170 | Average$398 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$235 | Average$441 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$256 | Average$487 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$318 | Average$483 | FlexibilityNo cancel fee | On-time63% |