Cheap Flights from Milwaukee, WI to San Juan from $119

On Cheapflightsplus.com you will find 141 connecting flights from Milwaukee to San Juan. You can compare airfare deals from 4 airlines and multiple travel sites from $119, book and save on cheap plane tickets and last minute offers. Also check out MKE-SJU flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Milwaukee to San Juan Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $119 (one-way), $204 (round-trip).
Direct flights
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Full flight schedule will help you in detecting at what time planes fly from Milwaukee to San Juan. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
05:15 — 23:54
+1 day
05:15 — 06:20 UA5799 United Airlines
Milwaukee — Chicago
11h 43m stop
18:03 — 23:54 UA695 United Airlines
Chicago — San Juan
17h 39m
including layover
Find flight
from$247
05:15 — 14:44
05:15 — 06:20 UA5799 United Airlines
Milwaukee — Chicago
2h 29m stop
08:49 — 14:44 UA1996 United Airlines
Chicago — San Juan
8h 29m
including layover
Find flight
from$252
06:00 — 14:44
06:00 — 07:10 UA5996 United Airlines
Milwaukee — Chicago
1h 42m stop
08:52 — 14:44 UA1996 United Airlines
Chicago — San Juan
7h 44m
including layover
Find flight
from$252
06:10 — 23:57
+1 day
06:10 — 09:30 UA3470 United Airlines
Milwaukee — Newark
10h 23m stop
19:53 — 23:57 UA1543 United Airlines
Newark — San Juan
16h 47m
including layover
Find flight
from$247
07:45 — 16:46
07:45 — 09:55 NK3901 Spirit Airlines
Milwaukee — Detroit
2h 21m stop
12:16 — 16:46 NK3898 Spirit Airlines
Detroit — San Juan
8h 1m
including layover
Find flight
from$132
08:35 — 23:54
+1 day
08:35 — 09:40 UA5402 United Airlines
Milwaukee — Chicago
8h 23m stop
18:03 — 23:54 UA695 United Airlines
Chicago — San Juan
14h 19m
including layover
Find flight
from$247
08:35 — 14:44
+1 day
08:35 — 09:40 UA5402 United Airlines
Milwaukee — Chicago
23h 9m stop
08:49 — 14:44 UA1996 United Airlines
Chicago — San Juan
29h 9m
including layover
Find flight
from$287
09:01 — 22:27
09:01 — 11:53 NK2442 Spirit Airlines
Milwaukee — Baltimore
6h 52m stop
18:45 — 22:27 NK2533 Spirit Airlines
Baltimore — San Juan
12h 26m
including layover
Find flight
from$258
10:20 — 20:38
10:20 — 13:22 UA5238 United Airlines
Milwaukee — Houston
1h 40m stop
15:02 — 20:38 UA701 United Airlines
Houston — San Juan
9h 18m
including layover
Find flight
from$204
11:48 — 11:57
+1 day
11:48 — 15:09 UA3693 United Airlines
Milwaukee — Newark
16h 46m stop
07:55 — 11:57 UA2143 United Airlines
Newark — San Juan
23h 9m
including layover
Find flight
from$313
11:48 — 23:57
+1 day
11:48 — 15:09 UA3693 United Airlines
Milwaukee — Newark
4h 44m stop
19:53 — 23:57 UA1543 United Airlines
Newark — San Juan
11h 9m
including layover
Find flight
from$327
15:45 — 23:54
+1 day
15:45 — 16:50 UA5502 United Airlines
Milwaukee — Chicago
1h 13m stop
18:03 — 23:54 UA695 United Airlines
Chicago — San Juan
7h 9m
including layover
Find flight
from$126
15:45 — 14:44
+1 day
15:45 — 16:50 UA5502 United Airlines
Milwaukee — Chicago
15h 59m stop
08:49 — 14:44 UA1996 United Airlines
Chicago — San Juan
21h 59m
including layover
Find flight
from$330
16:02 — 10:29
+1 day
16:02 — 18:54 NK1670 Spirit Airlines
Milwaukee — Baltimore
11h 54m stop
06:48 — 10:29 NK1622 Spirit Airlines
Baltimore — San Juan
17h 27m
including layover
Find flight
from$142
16:37 — 01:35
+1 day
16:37 — 20:21 NK1351 Spirit Airlines
Milwaukee — Orlando
2h 22m stop
22:43 — 01:35 NK1514 Spirit Airlines
Orlando — San Juan
7h 58m
including layover
Find flight
from$138
17:50 — 05:30
+1 day
17:50 — 20:50 UA6348 United Airlines
Milwaukee — Houston
3h 7m stop
23:57 — 05:30 UA1497 United Airlines
Houston — San Juan
10h 40m
including layover
Find flight
from$204
18:09 — 11:57
+1 day
17:39 — 21:00 UA3510 United Airlines
Milwaukee — Newark
10h 25m stop
07:55 — 11:57 UA2143 United Airlines
Newark — San Juan
16h 48m
including layover
Find flight
from$373
19:14 — 10:48
+1 day
19:14 — 22:58 NK2483 Spirit Airlines
Milwaukee — Orlando
9h 2m stop
08:00 — 10:48 NK1989 Spirit Airlines
Orlando — San Juan
14h 34m
including layover
Find flight
from$137
20:51 — 09:56
+1 day
20:51 — 00:41 NK2910 Spirit Airlines
Milwaukee — Orlando
6h 19m stop
07:00 — 09:56 NK3159 Spirit Airlines
Orlando — San Juan
12h 5m
including layover
Find flight
from$119
20:51 — 01:11
+2 days
20:51 — 00:41 NK2910 Spirit Airlines
Milwaukee — Orlando
21h 36m stop
22:17 — 01:11 NK3166 Spirit Airlines
Orlando — San Juan
27h 20m
including layover
Find flight
from$172
07:45 — 01:11
+1 day
07:45 — 09:55 NK3901 Spirit Airlines
Milwaukee — Detroit
3h 18m stop
13:13 — 15:55 NK3782 Spirit Airlines
Detroit — Orlando
6h 22m stop
22:17 — 01:11 NK3166 Spirit Airlines
Orlando — San Juan
16h 26m
including layover
Find flight
from$177
09:01 — 19:19
+1 day
09:01 — 11:53 NK2442 Spirit Airlines
Milwaukee — Baltimore
18h 57m stop
06:50 — 09:26 NK2155 Spirit Airlines
Baltimore — Miami
7h 19m stop
16:45 — 19:19 NK2221 Spirit Airlines
Miami — San Juan
33h 18m
including layover
Find flight
from$215
10:45 — 23:57
+1 day
10:45 — 11:50 UA4716 United Airlines
Milwaukee — Chicago
2h 30m stop
14:20 — 17:54 UA2649 United Airlines
Chicago — Newark
1h 59m stop
19:53 — 23:57 UA1543 United Airlines
Newark — San Juan
12h 12m
including layover
Find flight
from$204
12:02 — 19:19
+1 day
12:02 — 13:30 NK2027 Spirit Airlines
Milwaukee — Nashville
16h 30m stop
06:00 — 09:17 NK2407 Spirit Airlines
Nashville — Miami
7h 28m stop
16:45 — 19:19 NK2221 Spirit Airlines
Miami — San Juan
30h 17m
including layover
Find flight
from$187
12:10 — 23:57
+1 day
12:10 — 13:15 UA4740 United Airlines
Milwaukee — Chicago
1h 5m stop
14:20 — 17:54 UA2649 United Airlines
Chicago — Newark
1h 59m stop
19:53 — 23:57 UA1543 United Airlines
Newark — San Juan
10h 47m
including layover
Find flight
from$204
14:47 — 05:30
+1 day
14:47 — 16:27 UA2619 United Airlines
Milwaukee — Denver
1h 18m stop
17:45 — 21:14 UA2619 United Airlines
Denver — Houston
2h 43m stop
23:57 — 05:30 UA1497 United Airlines
Houston — San Juan
13h 43m
including layover
Find flight
from$204
14:51 — 15:43
+1 day
14:51 — 16:57 NK1445 Spirit Airlines
Milwaukee — Las Vegas
2h 11m stop
19:08 — 23:51 NK1271 Spirit Airlines
Las Vegas — Dallas
10h 4m stop
09:55 — 15:43 NK1379 Spirit Airlines
Dallas — San Juan
23h 52m
including layover
Find flight
from$195
17:16 — 22:58
+1 day
17:16 — 19:38 NK1867 Spirit Airlines
Milwaukee — Los Angeles
10h 2m stop
05:40 — 13:58 NK1039 Spirit Airlines
Los Angeles — Newark
5h 1m stop
18:59 — 22:58 NK1226 Spirit Airlines
Newark — San Juan
28h 42m
including layover
Find flight
from$201
18:30 — 22:58
+1 day
18:30 — 19:49 SY1816 Sun Country Airlines
Milwaukee — Minneapolis
11h 17m stop
07:06 — 10:42 SY233 Sun Country Airlines
Minneapolis — Newark
8h 17m stop
18:59 — 22:58 NK1226 Spirit Airlines
Newark — San Juan
27h 28m
including layover
Find flight
from$204
19:14 — 01:35
+2 days
19:14 — 20:42 NK1769 Spirit Airlines
Milwaukee — Nashville
17h 39m stop
14:21 — 17:19 NK1747 Spirit Airlines
Nashville — Orlando
5h 24m stop
22:43 — 01:35 NK1514 Spirit Airlines
Orlando — San Juan
29h 21m
including layover
Find flight
from$165
*Departure and arrival times - local. Updated on June 9, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Milwaukee to San Juan depends on and how to choose the most interesting flight option for you.

Distance between Milwaukee and San Juan is 3414 miles. Time difference between the cities is 2h. Airplanes depart 05:15 to 21:20 from 3 Milwaukee airports and arrive 05:15 to 21:20 to 2 San Juan airports. Average flight time is 20h 42m.

  • The fastest flight 6h 44m
  • Average flight time 20h 42m
  • The earliest flight 05:15
  • The latest flight 21:20
  • Distance 2122 ml

The cheapest months to travel to San Juan are august (from 159 $), july (from 183 $), september (from 192 $).

The most expensive months are january (from 560 $), february (from 474 $), september (from 192 $).

What is the lowest airfare Milwaukee to San Juan?

The cheapest plane ticket found by our users is $119. This airfare is for economy class on one-way NK2910 flight by Spirit Airlines for August 16, 2025 which leaves General Mitchell in Milwaukee at 20:51 am and arrives at San Juan Luis Munoz Marin Intl at 09:56.

Economy class
$119
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Business class
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First class
?
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Popular Airlines on the Route

The flight Milwaukee — San Juan is served by 4 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 14 departures per week at the price of from $ 577 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 1458.

Direct flights

There’re no direct flights on this route. Try flights with stops.

Connecting Flights

There are 141 flights with layovers on the route. The fastest connecting flight is UA4803 by United Airlines takes 6h 44m and the cheapest is NK2910 by Spirit Airlines for $119.

  • AS - Alaska Airlines
    from $577
    Find
  • SY - Sun Country Airlines
    from $204
    Find
  • UA - United Airlines
    from $126
    Find
  • NK - Spirit Airlines
    from $119
    Find
See more connecting flights

Airports

You can fly from Milwaukee to San Juan from 3 airports (Lawrence J Timmerman, Milwaukee General Mitchell, General Mitchell).

Milwaukee airports

  • Lawrence J Timmerman-MWC
    Find
  • Milwaukee General Mitchell-ZML
    Find
  • General Mitchell-MKE
    from $119
    Find

San Juan airports

  • Isla Grande-SIG
    Find
  • Luis Munoz Marin Intl-SJU
    Find

How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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