$111+ 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SJU
Apr 16 — Apr 231
Round-trip
1 adult, Economy
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Find cheap flights from Milwaukee to Luis Munoz Marin Intl with Cheapflights
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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 March 17, 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 March 17, 2026.
This Southwest deal was found by Cheapflights users on 3/15. 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 5/23:35 pm
MKE
- SJU
1 stop7h 05m
Southwest
Thu 5/72:00 pm
SJU
- MKE
2 stops10h 10m
Southwest
Deal found 3/15![Southwest logo]()
$288
This CheapOair deal was found by Cheapflights users on 3/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:53 pm
MKE
- SJU
1 stop26h 36m
Frontier
Wed 4/226:30 am
SJU
- MKE
1 stop29h 56m
Frontier
Deal found 3/12![Frontier logo]()
$293
This Frontier deal was found by Cheapflights users on 3/16. 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.
Mon 4/134:32 pm
MKE
- SJU
1 stop7h 20m
Frontier
Wed 4/153:21 am
SJU
- MKE
1 stop9h 05m
Frontier
Deal found 3/16![Frontier logo]()
$294
This United Airlines deal was found by Cheapflights users on 3/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2010:45 am
MKE
- SJU
2 stops9h 39m
United Airlines
Wed 4/291:00 am
SJU
- MKE
2 stops9h 45m
United Airlines
Deal found 3/15![United Airlines logo]()
$298
This Priceline deal was found by Cheapflights users on 3/13. 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.
Sat 4/111:37 pm
MKE
- SJU
1 stop11h 24m
Frontier
Wed 4/156:30 am
SJU
- MKE
1 stop29h 56m
Frontier
Deal found 3/13![Frontier logo]()
$299
This CheapOair deal was found by Cheapflights users on 3/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/299:01 pm
MKE
- SJU
1 stop10h 53m
Frontier
Wed 4/1510:54 am
SJU
- MKE
1 stop25h 32m
Frontier
Deal found 3/15![Frontier logo]()
$300
This Delta deal was found by Cheapflights users on 3/12. 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.
Sat 5/1612:40 pm
MKE
- SJU
1 stop9h 55m
Delta
Sat 5/236:15 am
SJU
- MKE
1 stop11h 42m
Delta
Deal found 3/12![Delta logo]()
$301
This United Airlines deal was found by Cheapflights users on 3/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/610:20 am
MKE
- SJU
1 stop9h 14m
United Airlines
Wed 8/52:05 am
SJU
- MKE
2 stops11h 43m
United Airlines
Deal found 3/16![United Airlines logo]()
$305
This American Airlines deal was found by Cheapflights users on 3/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2212:37 pm
MKE
- SJU
1 stop10h 04m
American Airlines
Fri 8/282:25 pm
SJU
- MKE
1 stop10h 22m
American Airlines
Deal found 3/14![American Airlines logo]()
$306
This Flightnetwork deal was found by Cheapflights users on 3/12. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/108:46 am
MKE
- SJU
1 stop7h 28m
Frontier
Sun 5/103:03 am
SJU
- MKE
1 stop29h 58m
Frontier
Deal found 3/12![Frontier logo]()
$307
This United Airlines deal was found by Cheapflights users on 3/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/119:43 am
MKE
- SJU
2 stops10h 41m
United Airlines
Fri 4/171:00 am
SJU
- MKE
1 stop10h 15m
United Airlines
Deal found 3/14![United Airlines logo]()
$308
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 March 17, 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 March 17, 2026.
This Southwest deal was found by Cheapflights users on 3/12. 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.
Mon 5/43:30 pm
MKE
- SJU
1 stop7h 10m
Southwest
Sat 5/95:15 am
SJU
- MKE
1 stop7h 45m
Southwest
Deal found 3/12![Southwest logo]()
$298
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Tue 5/59:37 am
MKE
- SJU
1 stop9h 57m
United Airlines
Wed 5/133:56 pm
SJU
- MKE
1 stop9h 03m
United Airlines
Deal found 3/12![United Airlines logo]()
$340
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Mon 4/1310:45 am
MKE
- SJU
1 stop8h 49m
United Airlines
Wed 4/151:00 am
SJU
- MKE
2 stops10h 00m
United Airlines
Deal found 3/13![United Airlines logo]()
$340
This Southwest deal was found by Cheapflights users on 3/15. 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.
Wed 5/67:25 am
MKE
- SJU
1 stop12h 40m
Southwest
Mon 5/118:40 pm
SJU
- MKE
1 stop13h 00m
Southwest
Deal found 3/15![Southwest logo]()
$398
This United Airlines deal was found by Cheapflights users on 3/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/119:43 am
MKE
- SJU
2 stops10h 41m
United Airlines
Fri 4/171:00 am
SJU
- MKE
2 stops13h 47m
United Airlines
Deal found 3/14![United Airlines logo]()
$380
This Southwest deal was found by Cheapflights users on 3/16. 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 8/75:45 am
MKE
- SJU
2 stops10h 10m
Southwest
Sun 8/99:25 pm
SJU
- MKE
1 stop12h 30m
Southwest
Deal found 3/16![Southwest logo]()
$416
This United Airlines deal was found by Cheapflights users on 3/12. 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 4/119:43 am
MKE
- SJU
2 stops10h 41m
United Airlines
Tue 4/141:00 am
SJU
- MKE
2 stops10h 00m
United Airlines
Deal found 3/12![United Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 3/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/88:30 am
MKE
- SJU
2 stops11h 54m
United Airlines
Tue 4/143:56 pm
SJU
- MKE
1 stop7h 34m
United Airlines
Deal found 3/16![United Airlines logo]()
$458
Last-minute flights from Milwaukee to Luis Munoz Marin IntlDiscover last-minute flight deals from Milwaukee to Luis Munoz Marin Intl. Data last updated March 17, 2026 and is based on user searches.
Discover last-minute flight deals from Milwaukee to Luis Munoz Marin Intl. Data last updated March 17, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 3/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/299:01 pm
MKE
- SJU
1 stop10h 53m
Frontier
Wed 4/1510:54 am
SJU
- MKE
1 stop25h 32m
Frontier
Deal found 3/15![Frontier logo]()
$300
This Priceline deal was found by Cheapflights users on 3/13. 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.
Sat 4/111:37 pm
MKE
- SJU
1 stop11h 24m
Frontier
Wed 4/156:30 am
SJU
- MKE
1 stop29h 56m
Frontier
Deal found 3/13![Frontier logo]()
$299
This United Airlines deal was found by Cheapflights users on 3/13. 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 4/119:43 am
MKE
- SJU
2 stops10h 41m
United Airlines
Tue 4/141:00 am
SJU
- MKE
2 stops10h 00m
United Airlines
Deal found 3/13![United Airlines logo]()
$306
This United Airlines deal was found by Cheapflights users on 3/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/119:43 am
MKE
- SJU
2 stops10h 41m
United Airlines
Fri 4/171:00 am
SJU
- MKE
1 stop10h 15m
United Airlines
Deal found 3/14![United Airlines logo]()
$308
This Frontier deal was found by Cheapflights users on 3/16. 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.
Mon 4/134:32 pm
MKE
- SJU
1 stop7h 20m
Frontier
Wed 4/153:21 am
SJU
- MKE
1 stop9h 05m
Frontier
Deal found 3/16![Frontier logo]()
$294
This CheapOair deal was found by Cheapflights users on 3/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/172:47 pm
MKE
- SJU
1 stop7h 42m
Frontier
Sat 4/253:19 pm
SJU
- MKE
1 stop18h 19m
Frontier
Deal found 3/16![Frontier logo]()
$315
This CheapOair deal was found by Cheapflights users on 3/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:53 pm
MKE
- SJU
1 stop26h 36m
Frontier
Wed 4/226:30 am
SJU
- MKE
1 stop29h 56m
Frontier
Deal found 3/12![Frontier logo]()
$293
This United Airlines deal was found by Cheapflights users on 3/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2010:45 am
MKE
- SJU
2 stops9h 39m
United Airlines
Wed 4/291:00 am
SJU
- MKE
2 stops9h 45m
United Airlines
Deal found 3/15![United Airlines logo]()
$298
This American Airlines deal was found by Cheapflights users on 3/13. 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 4/285:06 am
MKE
- SJU
2 stops12h 04m
American Airlines
Thu 5/74:30 pm
SJU
- MKE
1 stop7h 17m
American Airlines
Deal found 3/13![American Airlines logo]()
$317
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 March 17, 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 March 17, 2026.
This Frontier deal was found by Cheapflights users on 3/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/412:21 pm
MKE
- SJU
1 stop12h 40m
Frontier
Deal found 3/12![Frontier logo]()
$111
This United Airlines deal was found by Cheapflights users on 3/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/259:43 am
MKE
- SJU
2 stops13h 07m
United Airlines
Deal found 3/15![United Airlines logo]()
$125
This American Airlines deal was found by Cheapflights users on 3/16. 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 5/136:00 am
MKE
- SJU
1 stop15h 05m
American Airlines
Deal found 3/16![American Airlines logo]()
$130
This Expedia deal was found by Cheapflights users on 3/13. 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.
Tue 3/246:35 pm
MKE
- SJU
1 stop13h 19m
Frontier
Deal found 3/13![Frontier logo]()
$132
This Southwest deal was found by Cheapflights users on 3/12. 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 5/143:30 pm
MKE
- SJU
1 stop7h 10m
Southwest
Deal found 3/12![Southwest logo]()
$135
This Delta deal was found by Cheapflights users on 3/15. 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.
Sat 4/252:50 pm
MKE
- SJU
1 stop7h 22m
Delta
Deal found 3/15![Delta logo]()
$138
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Wed 4/1512:13 pm
MKE
- SJU
1 stop7h 21m
United Airlines
Deal found 3/12![United Airlines logo]()
$146
This Priceline deal was found by Cheapflights users on 3/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/308:20 pm
MKE
- SJU
1 stop12h 37m
Frontier
Deal found 3/16![Frontier logo]()
$148
This Mytrip deal was found by Cheapflights users on 3/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/65:59 pm
MKE
- SJU
1 stop18h 30m
Frontier
Deal found 3/16![Frontier logo]()
$149
This Southwest deal was found by Cheapflights users on 3/13. 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.
Wed 7/19:35 am
MKE
- SJU
1 stop12h 10m
Southwest
Deal found 3/13![Southwest logo]()
$153
This American Airlines deal was found by Cheapflights users on 3/13. 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 8/196:05 am
MKE
- SJU
1 stop16h 36m
American Airlines
Deal found 3/13![American Airlines logo]()
$158
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 March 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $288 (Southwest) |
One-way from | $111 (Frontier) |
Popular in | December |
Cheapest in | September |
Average price | $498 |
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 March 17, 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 - SJU
MKESJU
Milwaukee-Mitchell
Mon 5/4
3:30 pm-11:40 pm
1 stop7h 10m
San Juan Luis Munoz Marin Intl
Sat 5/9
5:15 am-12:00 pm
1 stop7h 45m
$298
MilwaukeeSan Juan
MKE - SJU
MKESJU
Milwaukee-Mitchell
Tue 5/5
9:37 am-8:34 pm
1 stop9h 57m
San Juan Luis Munoz Marin Intl
Wed 5/13
3:56 pm-11:59 pm
1 stop9h 03m
$340
MilwaukeeSan Juan
MKE - SJU
MKESJU
Milwaukee-Mitchell
Mon 4/13
10:45 am-8:34 pm
1 stop8h 49m
San Juan Luis Munoz Marin Intl
Wed 4/15
1:00 am-10:00 am
2 stops10h 00m
$340
MilwaukeeSan Juan
MKE - SJU
MKESJU
Milwaukee-Mitchell
Sat 4/11
9:43 am-9:24 pm
2 stops10h 41m
San Juan Luis Munoz Marin Intl
Fri 4/17
1:00 am-1:47 pm
2 stops13h 47m
$380
MilwaukeeSan Juan
MKE - SJU
MKESJU
Milwaukee-Mitchell
Wed 5/6
7:25 am-9:05 pm
1 stop12h 40m
San Juan Luis Munoz Marin Intl
Mon 5/11
8:40 pm-8:40 am
1 stop13h 00m
$398
MilwaukeeSan Juan
MKE - SJU
MKESJU
Milwaukee-Mitchell
Fri 8/7
5:45 am-4:55 pm
2 stops10h 10m
San Juan Luis Munoz Marin Intl
Sun 8/9
9:25 pm-8:55 am
1 stop12h 30m
$416
MilwaukeeSan Juan
MKE - SJU
MKESJU
Milwaukee-Mitchell
Sat 4/11
9:43 am-9:24 pm
2 stops10h 41m
San Juan Luis Munoz Marin Intl
Tue 4/14
1:00 am-10:00 am
2 stops10h 00m
$419
MilwaukeeSan Juan
MKE - SJU
MKESJU
Milwaukee-Mitchell
Wed 4/8
8:30 am-9:24 pm
2 stops11h 54m
San Juan Luis Munoz Marin Intl
Tue 4/14
3:56 pm-10:30 pm
1 stop7h 34m
$458
Cheapest one-way
Quickest one-way
MilwaukeeSan Juan
MKE - SJU
MKESJU
Milwaukee-Mitchell
Wed 4/22
2:45 pm-10:40 pm
1 stop6h 55m
$125
MilwaukeeSan Juan
MKE - SJU
MKESJU
Milwaukee-Mitchell
Tue 4/14
12:13 pm-11:50 pm
2 stops10h 37m
$125
Showing 1-10 of 15 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 March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- 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
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Cheapflights Insights
Everything you need to know about your flight from Milwaukee to San Juan Luis Munoz Marin Intl Airport
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How far ahead should I book a flight from Milwaukee to San Juan Luis Munoz Marin Intl Airport?
Use this chart to determine the optimal time to book a round-trip flight from Milwaukee to Luis Munoz Marin Intl. Price data was last updated on March 13, 2026.
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 82 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, April is the cheapest month in which you can book a flight from Milwaukee to San Juan Luis Munoz Marin Intl Airport (average of $91). Flying from Milwaukee to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $224). 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?
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 83% 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.
Orlando (MCO) is the most affordable 1-stop option, with an average round-trip price of $515.
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 Orlando (MCO) have the shortest average one-way travel time for 1-stop routes: 7h 11m.
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 Orlando (MCO) offer the fastest connection on this route, with an average layover time of 1h 34m.
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 March 17, 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
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - 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
Dorado
Luquillo
Rio Grande
Humacao
Bayamón
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Other flights to Luis Munoz Marin Intl
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Top 6 airlines flying from Milwaukee to Luis Munoz Marin Intl
Discover the top 6 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 March 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$112 | Average$381 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$156 | Average$354 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$202 | Average$400 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$208 | Average$366 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$256 | Average$483 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$315 | Average$483 | FlexibilityNo cancel fee | On-time63% |