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MKE - SJU

$105 Find Cheap Flights from Milwaukee to San Juan - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$255
Typical prices: $364-$574
Frontier
Sat 11/3Fri 11/9
MKE - SJU • 1 stop
Cheapest one-way
$105
Typical prices: $188-$270
Frontier
Sat 10/20
MKE - SJU • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Milwaukee and San Juan Luis Munoz Marin Intl Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
5 weeks
in advance
Our data shows that travelers who book at least 5 weeks in advance save around 20% compared to booking last minute.
Insights
Insights
When to travel
September
Cheapest • 25% price drop
February
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Tampa (TPA)
Cheapest • Avg $313 (round-trip)
Detroit Metropolitan Wayne County (DTW)
Shortest trip • 7h 06m (one-way)
Insights
Insights
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We hope you love your trip to San Juan Luis Munoz Marin Intl Airport!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Milwaukee to San Juan (MKE-SJU)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Milwaukee to San Juan

Tue, Nov 3 - Mon, Nov 9
Frontier Logo
10:15 am - 2:50 amMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
14h 35m1 stop Orlando
Frontier Logo
7:26 pm - 9:16 amSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
15h 50m1 stop Orlando
$255Frontier
Tue, Nov 3 - Sat, Nov 7
Frontier Logo
10:15 am - 2:50 amMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
14h 35m1 stop Orlando
Frontier Logo
3:55 am - 9:16 amSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
7h 21m1 stop Orlando
$281Frontier
Fri, Oct 30 - Sun, Nov 1
Southwest Logo
8:05 pm - 9:20 amMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
12h 15m1 stop Orlando
Southwest Logo
6:35 am - 12:05 pmSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
7h 30m1 stop Baltimore/Washington
$386Southwest
Mon, Feb 22 - Sat, Feb 27
Southwest Logo
7:55 pm - 11:25 amMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
13h 30m1 stop Orlando
Southwest Logo
6:10 am - 5:50 pmSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
13h 40m1 stop Baltimore/Washington
$386Southwest
Thu, Jan 21 - Sat, Jan 30
American Airlines Logo
12:35 pm - 11:59 pmMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
9h 24m1 stop Philadelphia
American Airlines Logo
6:12 am - 11:28 amSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
7h 16m1 stop Charlotte Douglas
$386American Airlines
Tue, Jan 19 - Wed, Jan 27
American Airlines Logo
7:36 am - 9:11 pmMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
11h 35m2 stops Chicago O'Hare Intl Charlotte Douglas
American Airlines Logo
7:03 am - 7:32 pmSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
14h 29m1 stop Chicago O'Hare Intl
$386American Airlines
Mon, Feb 1 - Wed, Feb 10
Delta Logo
10:25 am - 11:50 pmMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
11h 25m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:30 am - 2:54 pmSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
9h 24m1 stop Atlanta Hartsfield-Jackson
$386Delta
Sat, Oct 24 - Sun, Nov 1
Delta Logo
6:30 am - 3:10 pmMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
7h 40m1 stop Minneapolis St Paul
Delta Logo
8:15 am - 1:54 pmSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
7h 39m1 stop Atlanta Hartsfield-Jackson
$386Delta
Wed, Jan 27 - Wed, Feb 3
United Airlines Logo
12:30 pm - 12:36 amMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
10h 06m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
7:40 am - 4:46 pmSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
11h 06m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
$386United Airlines
Sun, Jan 17 - Sat, Jan 23
United Airlines Logo
7:10 am - 9:24 pmMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
12h 14m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
8:25 am - 3:06 pmSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
8h 41m1 stop Chicago O'Hare Intl
$386United Airlines
Booking Insights

Price, demand and travel trends for Milwaukee to San Juan Luis Munoz Marin Intl Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Milwaukee to San Juan Luis Munoz Marin Intl Airport?

Round-trip flights from Milwaukee to San Juan Luis Munoz Marin Intl Airport typically range from $364 to $574. The lowest price found in the past 5 days was $255, on Frontier.

What's the cheapest day of the week to fly from Milwaukee to San Juan Luis Munoz Marin Intl Airport?

Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from Milwaukee to San Juan Luis Munoz Marin Intl Airport. It’s 17% cheaper than the average day, while Wednesday is the most expensive, with prices 3% higher.

What’s the cheapest month to fly from Milwaukee to San Juan Luis Munoz Marin Intl Airport?

•September is the cheapest month to fly from Milwaukee to San Juan Luis Munoz Marin Intl Airport at $341 round-trip.
•December ($746) and July ($503) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 118% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Milwaukee to San Juan Luis Munoz Marin Intl Airport the cheapest?

Flights from Milwaukee to San Juan Luis Munoz Marin Intl Airport are cheapest 5 weeks before departure. Booking in this window typically costs about 20% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Milwaukee to San Juan Luis Munoz Marin Intl Airport flights

Low season

October

Cheapest flight

$105
Beat the crowds with an average 50% drop in travelers.
The most popular month to fly with an average 24% increase in travelers.
One-way flight from Milwaukee to San Juan Luis Munoz Marin Intl Airport

When to book flights from Milwaukee to San Juan

Are your dates flexible? Find out the best times to travel from Milwaukee to San Juan based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Milwaukee to San Juan Luis Munoz Marin Intl Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Milwaukee to San Juan Luis Munoz Marin Intl Airport?

    Only Economy Class is available on flights from Milwaukee to San Juan Luis Munoz Marin Intl Airport.

  • How long is a flight from Milwaukee to San Juan Luis Munoz Marin Intl Airport?

    A nonstop flight from Milwaukee to San Juan Luis Munoz Marin Intl Airport takes 00m, covering 2,120 miles.

  • Do I need a passport to fly from Milwaukee to San Juan Luis Munoz Marin Intl Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Milwaukee to San Juan Luis Munoz Marin Intl Airport flight?

    Round-trip flights from Milwaukee to San Juan Luis Munoz Marin Intl Airport range from $364 to $574, with an average of $456 over the past 12 months. Anything below $364 counts as a good deal.

  • How expensive are last-minute Milwaukee to San Juan Luis Munoz Marin Intl Airport flights?

    Last-minute fares on this route (booked within two weeks of departure) run 4% above the $456 route average. Book 5 weeks before departure for the lowest fares.

  • Have flight prices from Milwaukee to San Juan Luis Munoz Marin Intl Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $255 to $1,858. That means the highest observed fare was about 7x higher than the lowest one.

  • How are flight prices from Milwaukee to San Juan Luis Munoz Marin Intl Airport looking right now?

    One-way fares from Milwaukee to San Juan Luis Munoz Marin Intl Airport are currently lower than usual. Average one-way flight prices are about $178, which is 20% below the typical average for this route.

  • What car rental options are available at San Juan Luis Munoz Marin Intl Airport (SJU)?

    San Juan Luis Munoz Marin Intl Airport (SJU) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:

    • Routes Car & Truck Rentals
    • U-Save
    • Payless
    • Hertz
    • Europcar

  • Which airports can I use when flying from Milwaukee to San Juan Luis Munoz Marin Intl Airport?

    Flights from Milwaukee to San Juan Luis Munoz Marin Intl Airport usually depart from Milwaukee-Mitchell (MKE) and arrive at San Juan Luis Munoz Marin Intl (SJU).

  • Which airports do connecting flights from Milwaukee to San Juan Luis Munoz Marin Intl Airport pass through?

    One-stop flights from Milwaukee to San Juan Luis Munoz Marin Intl Airport most commonly connect through:

    • Orlando (MCO) - 32% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 25% of one-stop connections
    • Charlotte Douglas (CLT) - 14% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 13% of one-stop connections

  • Can I save money by using flexible dates for flights from Milwaukee to San Juan Luis Munoz Marin Intl Airport?

    Yes. Flexible dates can save you up to 21% on flights from Milwaukee to San Juan Luis Munoz Marin Intl Airport. Sunday is the cheapest departure day at $379 round-trip on average, while Wednesday is the most expensive at $474, a difference of $95.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How much time can I save by choosing a different layover airport from Milwaukee to San Juan Luis Munoz Marin Intl Airport?

    Flying via Detroit Metropolitan Wayne County (DTW) gives the shortest average 1-stop total travel time at 7h 06m, compared with 7h 24m via Atlanta Hartsfield-Jackson (ATL) and 7h 26m via Tampa (TPA).

  • What is the time difference between Milwaukee and San Juan Luis Munoz Marin Intl Airport?

    San Juan Luis Munoz Marin Intl Airport is 1 hour ahead of Milwaukee (Atlantic Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in San Juan Luis Munoz Marin Intl Airport?

    Some of the most popular sights in San Juan Luis Munoz Marin Intl Airport are Viejo San Juan, Condado Beach and Puerto Rico Convention Center. These are among the most viewed places in San Juan Luis Munoz Marin Intl Airport on KAYAK.

Your guide to booking Milwaukee to San Juan Luis Munoz Marin Intl Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Sunday departure and avoid flying on Wednesday. On this route, Sunday flights average $379, about $95 less than Wednesday fares (20% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 5 weeks before you fly. On this route, that window historically saves about 20% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Milwaukee to San Juan Luis Munoz Marin Intl Airport trip for September. Fares historically average $341 round-trip in that month - typically $405 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to San Juan Luis Munoz Marin Intl Airport.

    • Coral by The Sea Hotel
    • San Juan Airport Hotel
    • Hampton Inn & Suites by Hilton San Juan

More options for your flight from Milwaukee to San Juan

Complete your trip to San Juan with a hotel stay or car rental

Car rentals in San Juan
Hotels in San Juan
Vacations in San Juan