$87+ 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SJU
3月 5 — 3月 121
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 2月 3, 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 2月 3, 2026.
This Priceline deal was found by Cheapflights users on 2/1. 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.
週一 4/2012:03 pm
MKE
- SJU
1 stop12h 58m
Frontier
週日 4/263:19 pm
SJU
- MKE
1 stop20h 49m
Frontier
Deal found 2/1![Frontier logo]()
$237
This CheapOair deal was found by Cheapflights users on 2/1. 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.
週三 3/186:35 pm
MKE
- SJU
1 stop6h 23m
Frontier
週二 3/243:08 am
SJU
- MKE
1 stop29h 22m
Frontier
Deal found 2/1![Frontier logo]()
$242
This Frontier deal was found by Cheapflights users on 2/2. 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.
週四 2/198:39 am
MKE
- SJU
1 stop13h 14m
Frontier
週二 2/243:53 am
SJU
- MKE
1 stop13h 51m
Frontier
Deal found 2/2![Frontier logo]()
$244
This Orbitz deal was found by Cheapflights users on 2/1. 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.
週一 2/167:52 pm
MKE
- SJU
1 stop26h 51m
Frontier
週二 2/173:53 am
SJU
- MKE
1 stop29h 47m
Frontier
Deal found 2/1![Frontier logo]()
$247
This United Airlines deal was found by Cheapflights users on 2/2. 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.
週三 2/259:44 am
MKE
- SJU
2 stops12h 52m
United Airlines
週三 3/48:30 am
SJU
- MKE
1 stop9h 05m
United Airlines
Deal found 2/2![United Airlines logo]()
$256
This Frontier deal was found by Cheapflights users on 2/2. 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.
週三 2/184:39 pm
MKE
- SJU
1 stop8h 14m
Frontier
週四 2/2610:57 am
SJU
- MKE
1 stop9h 45m
Frontier
Deal found 2/2![Frontier logo]()
$258
This Frontier deal was found by Cheapflights users on 1/31. 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.
週四 2/128:39 am
MKE
- SJU
1 stop13h 14m
Frontier
週二 2/243:53 am
SJU
- MKE
1 stop13h 51m
Frontier
Deal found 1/31![Frontier logo]()
$274
This Priceline deal was found by Cheapflights users on 2/1. 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.
週四 4/1612:03 pm
MKE
- SJU
1 stop25h 03m
Frontier
週日 4/196:30 am
SJU
- MKE
1 stop29h 38m
Frontier
Deal found 2/1![Frontier logo]()
$278
This Priceline deal was found by Cheapflights users on 2/1. 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.
週四 2/198:39 am
MKE
- SJU
1 stop13h 14m
Frontier
週二 2/245:25 pm
SJU
- MKE
1 stop24h 19m
Frontier
Deal found 2/1![Frontier logo]()
$279
This Southwest deal was found by Cheapflights users on 2/2. 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.
週二 6/99:25 am
MKE
- SJU
1 stop13h 20m
Southwest
週二 7/75:00 am
SJU
- MKE
1 stop7h 50m
Southwest
Deal found 2/2![Southwest logo]()
$285
This Frontier deal was found by Cheapflights users on 2/1. 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.
週一 3/28:11 pm
MKE
- SJU
1 stop11h 43m
Frontier
週二 3/33:53 am
SJU
- MKE
1 stop13h 51m
Frontier
Deal found 2/1![Frontier logo]()
$288
This Priceline deal was found by Cheapflights users on 2/2. 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.
週一 2/167:52 pm
MKE
- SJU
1 stop12h 02m
Frontier
週四 2/193:53 am
SJU
- MKE
1 stop7h 50m
Frontier
Deal found 2/2![Frontier logo]()
$292
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 2月 3, 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 2月 3, 2026.
This American Airlines deal was found by Cheapflights users on 2/2. 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.
週三 2/258:00 am
MKE
- SJU
2 stops10h 39m
American Airlines
週三 3/42:23 pm
SJU
- MKE
2 stops9h 18m
American Airlines
Deal found 2/2![American Airlines logo]()
$256
This Delta deal was found by Cheapflights users on 2/2. 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.
週三 2/251:35 pm
MKE
- SJU
1 stop8h 23m
Delta
週三 3/46:37 pm
SJU
- MKE
1 stop7h 10m
Delta
Deal found 2/2![Delta logo]()
$256
This United Airlines deal was found by Cheapflights users on 2/1. 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.
週二 4/285:10 am
MKE
- SJU
1 stop8h 34m
United Airlines
週二 5/53:56 pm
SJU
- MKE
1 stop7h 49m
United Airlines
Deal found 2/1![United Airlines logo]()
$256
This Southwest deal was found by Cheapflights users on 2/1. 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.
週三 3/118:50 am
MKE
- SJU
1 stop13h 10m
Southwest
週三 3/185:15 am
SJU
- MKE
1 stop7h 20m
Southwest
Deal found 2/1![Southwest logo]()
$256
This United Airlines deal was found by Cheapflights users on 2/2. 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.
週三 2/259:44 am
MKE
- SJU
2 stops12h 52m
United Airlines
週三 3/48:30 am
SJU
- MKE
1 stop9h 05m
United Airlines
Deal found 2/2![United Airlines logo]()
$256
This Delta deal was found by Cheapflights users on 2/1. 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.
週三 2/251:35 pm
MKE
- SJU
1 stop8h 23m
Delta
週三 3/111:17 pm
SJU
- MKE
1 stop7h 49m
Delta
Deal found 2/1![Delta logo]()
$256
This United Airlines deal was found by Cheapflights users on 2/1. 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.
週六 4/1110:45 am
MKE
- SJU
2 stops9h 39m
United Airlines
週五 4/241:00 am
SJU
- MKE
1 stop10h 15m
United Airlines
Deal found 2/1![United Airlines logo]()
$256
This United Airlines deal was found by Cheapflights users on 2/1. 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.
週六 4/259:43 am
MKE
- SJU
2 stops10h 41m
United Airlines
週五 5/11:00 am
SJU
- MKE
2 stops9h 45m
United Airlines
Deal found 2/1![United Airlines logo]()
$256
This Delta deal was found by Cheapflights users on 1/31. 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.
週二 2/241:35 pm
MKE
- SJU
1 stop8h 23m
Delta
週二 3/36:37 pm
SJU
- MKE
1 stop7h 10m
Delta
Deal found 1/31![Delta logo]()
$310
This Delta deal was found by Cheapflights users on 1/31. 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.
週六 2/142:20 pm
MKE
- SJU
1 stop7h 38m
Delta
週四 2/266:15 am
SJU
- MKE
1 stop6h 58m
Delta
Deal found 1/31![Delta logo]()
$338
This United Airlines deal was found by Cheapflights users on 2/1. 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.
週日 2/159:44 am
MKE
- SJU
2 stops10h 38m
United Airlines
週二 2/242:05 am
SJU
- MKE
1 stop10h 53m
United Airlines
Deal found 2/1![United Airlines logo]()
$338
This United Airlines deal was found by Cheapflights users on 1/31. 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.
週六 4/1112:13 pm
MKE
- SJU
1 stop7h 21m
United Airlines
週二 4/141:00 am
SJU
- MKE
2 stops10h 00m
United Airlines
Deal found 1/31![United Airlines logo]()
$346
Last-minute flights from Milwaukee to Luis Munoz Marin IntlDiscover last-minute flight deals from Milwaukee to Luis Munoz Marin Intl. Data last updated 2月 3, 2026 and is based on user searches.
Discover last-minute flight deals from Milwaukee to Luis Munoz Marin Intl. Data last updated 2月 3, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 1/31. 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.
週四 2/128:39 am
MKE
- SJU
1 stop13h 14m
Frontier
週二 2/243:53 am
SJU
- MKE
1 stop13h 51m
Frontier
Deal found 1/31![Frontier logo]()
$274
This Orbitz deal was found by Cheapflights users on 2/1. 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.
週一 2/167:52 pm
MKE
- SJU
1 stop26h 51m
Frontier
週二 2/173:53 am
SJU
- MKE
1 stop29h 47m
Frontier
Deal found 2/1![Frontier logo]()
$247
This Priceline deal was found by Cheapflights users on 2/2. 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.
週一 2/167:52 pm
MKE
- SJU
1 stop12h 02m
Frontier
週四 2/193:53 am
SJU
- MKE
1 stop7h 50m
Frontier
Deal found 2/2![Frontier logo]()
$292
This Frontier deal was found by Cheapflights users on 1/31. 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.
週一 2/167:52 pm
MKE
- SJU
1 stop12h 02m
Frontier
週四 2/2610:57 am
SJU
- MKE
1 stop9h 45m
Frontier
Deal found 1/31![Frontier logo]()
$303
This Frontier deal was found by Cheapflights users on 2/2. 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.
週三 2/184:39 pm
MKE
- SJU
1 stop8h 14m
Frontier
週四 2/2610:57 am
SJU
- MKE
1 stop9h 45m
Frontier
Deal found 2/2![Frontier logo]()
$258
This Frontier deal was found by Cheapflights users on 2/1. 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.
週四 2/198:39 am
MKE
- SJU
1 stop13h 14m
Frontier
週二 2/243:53 am
SJU
- MKE
1 stop13h 51m
Frontier
Deal found 2/1![Frontier logo]()
$244
This Priceline deal was found by Cheapflights users on 2/1. 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.
週四 2/198:39 am
MKE
- SJU
1 stop13h 14m
Frontier
週二 2/245:25 pm
SJU
- MKE
1 stop24h 19m
Frontier
Deal found 2/1![Frontier logo]()
$279
This United Airlines deal was found by Cheapflights users on 2/2. 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.
週三 2/259:44 am
MKE
- SJU
2 stops12h 52m
United Airlines
週三 3/48:30 am
SJU
- MKE
1 stop9h 05m
United Airlines
Deal found 2/2![United Airlines logo]()
$256
This Frontier deal was found by Cheapflights users on 1/31. 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.
週一 3/28:11 pm
MKE
- SJU
1 stop11h 43m
Frontier
週二 3/33:53 am
SJU
- MKE
1 stop13h 51m
Frontier
Deal found 1/31![Frontier logo]()
$288
This Priceline deal was found by Cheapflights users on 2/1. 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.
週一 3/28:11 pm
MKE
- SJU
1 stop28h 42m
Frontier
週日 3/83:19 pm
SJU
- MKE
1 stop21h 22m
Frontier
Deal found 2/1![Frontier logo]()
$301
This Priceline deal was found by Cheapflights users on 2/1. 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.
週六 3/75:47 pm
MKE
- SJU
1 stop17h 04m
Frontier
週五 3/133:19 pm
SJU
- MKE
1 stop29h 47m
Frontier
Deal found 2/1![Frontier logo]()
$300
This CheapOair deal was found by Cheapflights users on 2/1. 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.
週三 3/186:35 pm
MKE
- SJU
1 stop6h 23m
Frontier
週二 3/243:08 am
SJU
- MKE
1 stop29h 22m
Frontier
Deal found 2/1![Frontier logo]()
$242
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 2月 3, 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 2月 3, 2026.
This Frontier deal was found by Cheapflights users on 2/1. 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.
週二 3/34:39 pm
MKE
- SJU
1 stop8h 14m
Frontier
Deal found 2/1![Frontier logo]()
$87
This Priceline deal was found by Cheapflights users on 2/1. 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.
週一 3/28:11 pm
MKE
- SJU
1 stop11h 43m
Frontier
Deal found 2/1![Frontier logo]()
$101
This Priceline deal was found by Cheapflights users on 2/1. 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.
週六 2/217:47 pm
MKE
- SJU
1 stop29h 06m
Frontier
Deal found 2/1![Frontier logo]()
$107
This Frontier deal was found by Cheapflights users on 2/1. 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.
週一 3/912:36 pm
MKE
- SJU
1 stop9h 09m
Frontier
Deal found 2/1![Frontier logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
週一 3/28:11 pm
MKE
- SJU
2 stops17h 20m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$117
This Frontier deal was found by Cheapflights users on 2/1. 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.
週一 3/238:20 pm
MKE
- SJU
1 stop12h 37m
Frontier
Deal found 2/1![Frontier logo]()
$120
This Priceline deal was found by Cheapflights users on 2/2. 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.
週一 2/97:01 pm
MKE
- SJU
1 stop15h 56m
Frontier
Deal found 2/2![Frontier logo]()
$122
This Priceline deal was found by Cheapflights users on 2/1. 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.
週一 3/168:20 pm
MKE
- SJU
1 stop28h 43m
Frontier
Deal found 2/1![Frontier logo]()
$126
This Delta deal was found by Cheapflights users on 2/1. 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.
週二 3/1710:09 am
MKE
- SJU
1 stop9h 09m
Delta
Deal found 2/1![Delta logo]()
$128
This Frontier deal was found by Cheapflights users on 2/1. 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.
週日 3/16:39 pm
MKE
- SJU
1 stop13h 30m
Frontier
Deal found 2/1![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
週日 3/89:01 pm
MKE
- SJU
1 stop11h 16m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$141
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 2月 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $237 (Priceline) |
One-way from | $87 (Frontier) |
Popular in | December |
Cheapest in | September |
Average price | $420 |
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 2月 3, 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
Milwaukee
Fly to
Luis Munoz Marin Intl
Route
Depart
Return
Price
MilwaukeeSan Juan
MKE - SJU
MKESJU
Milwaukee-Mitchell
週三 2/25
8:00 am-8:39 pm
2 stops10h 39m
San Juan Luis Munoz Marin Intl
週三 3/4
2:23 pm-9:41 pm
2 stops9h 18m
$256
MilwaukeeSan Juan
MKE - SJU
MKESJU
Milwaukee-Mitchell
週三 2/25
1:35 pm-11:58 pm
1 stop8h 23m
San Juan Luis Munoz Marin Intl
週三 3/4
6:37 pm-11:47 pm
1 stop7h 10m
$256
MilwaukeeSan Juan
MKE - SJU
MKESJU
Milwaukee-Mitchell
週二 4/28
5:10 am-2:44 pm
1 stop8h 34m
San Juan Luis Munoz Marin Intl
週二 5/5
3:56 pm-10:45 pm
1 stop7h 49m
$256
MilwaukeeSan Juan
MKE - SJU
MKESJU
Milwaukee-Mitchell
週三 3/11
8:50 am-11:00 pm
1 stop13h 10m
San Juan Luis Munoz Marin Intl
週三 3/18
5:15 am-11:35 am
1 stop7h 20m
$256
MilwaukeeSan Juan
MKE - SJU
MKESJU
Milwaukee-Mitchell
週三 2/25
9:44 am-12:36 am
2 stops12h 52m
San Juan Luis Munoz Marin Intl
週三 3/4
8:30 am-3:35 pm
1 stop9h 05m
$256
MilwaukeeSan Juan
MKE - SJU
MKESJU
Milwaukee-Mitchell
週三 2/25
1:35 pm-11:58 pm
1 stop8h 23m
San Juan Luis Munoz Marin Intl
週三 3/11
1:17 pm-8:06 pm
1 stop7h 49m
$256
MilwaukeeSan Juan
MKE - SJU
MKESJU
Milwaukee-Mitchell
週六 4/11
10:45 am-9:24 pm
2 stops9h 39m
San Juan Luis Munoz Marin Intl
週五 4/24
1:00 am-10:15 am
1 stop10h 15m
$256
MilwaukeeSan Juan
MKE - SJU
MKESJU
Milwaukee-Mitchell
週六 4/25
9:43 am-9:24 pm
2 stops10h 41m
San Juan Luis Munoz Marin Intl
週五 5/1
1:00 am-9:45 am
2 stops9h 45m
$256
MilwaukeeSan Juan
MKE - SJU
MKESJU
Milwaukee-Mitchell
週二 2/24
1:35 pm-11:58 pm
1 stop8h 23m
San Juan Luis Munoz Marin Intl
週二 3/3
6:37 pm-11:47 pm
1 stop7h 10m
$310
MilwaukeeSan Juan
MKE - SJU
MKESJU
Milwaukee-Mitchell
週六 2/14
2:20 pm-11:58 pm
1 stop7h 38m
San Juan Luis Munoz Marin Intl
週四 2/26
6:15 am-11:13 am
1 stop6h 58m
$338
Showing 1-10 of 24 results
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 February.
| 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 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
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?
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 January 30, 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.
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 $425.
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 Dallas (DFW) have the shortest average one-way travel time for 1-stop routes: 9h 40m.
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 Dallas (DFW) offer the fastest connection on this route, with an average layover time of 2h 25m.
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 2月 3, 2026.
Read reviews from past customers who have flown Southwest, Delta, and United 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.
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Milwaukee to Luis Munoz Marin Intl
See prices for flight routes from nearby airports that may be better suited for you.
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 2月 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$85 | Average$297 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$118 | Average$375 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$182 | Average$399 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$208 | Average$402 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$266 | Average$496 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$315 | Average$515 | FlexibilityNo cancel fee | On-time63% |