C$226 Cheap Flights from Milwaukee General Mitchell (MKE) to San Juan (SJUA)

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Flight deals from Milwaukee General Mitchell to San Juan

Looking for a cheap last-minute deal or the best return flight from Milwaukee General Mitchell Airport to San Juan? If you want to travel next month, return fares start from C$567. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Milwaukee General Mitchell to San Juan

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Milwaukee General Mitchell to San Juan flights are currently cheapest in July.

Milwaukee to San Juan: Flight information

The things to know before you go.
Cheapest flight foundC$226
Cheapest month to flyJuly

Finding cheap flights from Milwaukee General Mitchell to San Juan: Frequently asked questions

There are 6 airports in San Juan: San Juan Isla Grande, San Juan Luis Munoz Marin, Roosevelt Roads, Ponce, Vieques, and Culebra.
The best price we found for a return flight from Milwaukee General Mitchell to San Juan is C$452. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Milwaukee General Mitchell to San Juan. But we found flights with one or more stops from C$452.
As of June 2026, there are no flights flying from Milwaukee General Mitchell to San Juan.
The cheapest month to fly from Milwaukee General Mitchell to San Juan is usually July.
If you're flying from Milwaukee General Mitchell Airport, the cheapest airport near San Juan is San Juan Luis Munoz Marin – which is 11.3 km away from the centre of San Juan. We've found flights into this airport from C$452.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Milwaukee General Mitchell Airport to San Juan on Tuesday, July 28, 2026.
No airlines currently offer direct flights between Milwaukee General Mitchell Airport and San Juan. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Juan but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Juan is around 40 days in advance, so don’t leave your flight to the last minute.
In June, the average temperature is usually around 27°C. August is typically the warmest month in San Juan, when it usually averages around 29°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging 23°C. The rainiest month is September.
Currently, Delta offers the cheapest flight tickets to San Juan.

Travelling from General Mitchell International Airport (MKE) to San Juan: what you need to know

  • The timezone in San Juan is UTC-4. The city is 1 hour ahead of Milwaukee, where General Mitchell International Airport is located.

  • Give yourself enough time to get on your flight from MKE to San Juan. Generally, it's best to arrive two hours before international departures and an hour ahead for domestic flights.

  • If you're travelling during a popular month like July, get to the terminal even earlier. It's wise to arrive up to four hours before international flights and two hours ahead of domestic departures. Expect lines to be longer during high seasons like spring break and summer.

  • A stopover is the perfect opportunity to break up your trip — and maybe even tour another city. When browsing flights from MKE to San Juan, deselect the 'Direct flights only' box to see where you can stop along the way. Consider one of these popular options:

    • Hartsfield-Jackson Atlanta International Airport (ATL)

    • Orlando International Airport (MCO)

    • Nashville International Airport (BNA)

  • You don't need a visa for Puerto Rico if you have a passport from United States and are travelling for tourism purposes. Visa and travel documentation requirements are subject to changes or updates. So before booking your flight tickets from General Mitchell International Airport to San Juan, be sure to check with your airline and your destination country's local embassy or consulate for the most up-to-date information.

  • MKE is about 14 kilometres from central Milwaukee. If you're catching a cab, driving or ride-sharing from the centre, it'll take you 16 minutes or so to get there, depending on the traffic. If you're using public transport, expect the travel time to be approximately 39 minutes.

  • Want a relaxed start to your break? Stay near MKE. Whether you're taking an early flight from General Mitchell International Airport to San Juan or want to avoid feeling rushed, these hotels are just the thing:

How to find the cheapest flights from General Mitchell International Airport (MKE) to San Juan

  • C$226 is the lowest price for a one-way ticket from General Mitchell International Airport to San Juan. A return flight starts from C$452. These fares may change depending on availability and demand.

  • It's a good idea to book ahead of time if you want to get cheap tickets from MKE to San Juan. That's because airlines adjust prices based on demand, which tends to rise closer to departure.

  • Finding cheap tickets from General Mitchell International Airport to San Juan is easy if you can be flexible with your travel plans. Check out the 'Whole month' search function to show the best prices across every month and land a great deal.

  • Log into your online account or use the app to set up a Price Alert. We'll get in touch right away if there's a cheaper deal on this route. It doesn't take long, and it'll save you the hassle of searching for cheap tickets from MKE to San Juan every day.

  • Use the filters to tailor your flights from General Mitchell International Airport to San Juan. Simply enter your preferred departure and arrival times, number of stops and airlines. Alternatively, sort your results by 'Cheapest' to get the best deals.

Airports in San Juan

Luis Munoz Marin International Airport (SJU)

Fernando Luis Ribas Dominicci Airport (SIG)

  • Fernando Luis Ribas Dominicci Airport (SIG) is roughly 8 kilometres from central San Juan. Once you've hopped off your flight from General Mitchell International Airport to San Juan, it'll take you around 14 minutes to get to the heart of the city in a cab or ride-share.

  • If you're catching public transport, it'll take around 58 minutes.

  • After your flight from MKE to San Juan, unwind at a hotel close to SIG. These are some great options that'll help you sink into relaxation mode:

Best time to go to San Juan

  • July is the busiest month to catch a flight from General Mitchell International Airport to San Juan while May is the quietest. To work out the ideal time to go to San Juan, consider whether you prefer a lively vibe or a quieter pace.

  • The warmest month in San Juan is September, with the temperature ranging between 23ºC and 33ºC. Book your flights from General Mitchell International Airport to San Juan in this month if this is the type of weather you enjoy.

  • Search for cheap flights from MKE to San Juan in February if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between 20ºC and 28ºC on average.

More about San Juan

  • When it comes to searching for somewhere to lay your head, you'll find the most popular stays in San Juan right here. Browse these hotels as soon as you've locked in your flight from General Mitchell International Airport to San Juan:

  • There are so many things to explore in this city it can be hard to know where to begin. Castillo San Felipe del Morro, La Garita del morro de san juan bahia and Fortaleza Street are leading attractions which should be on any good San Juan itinerary.

Complete your San Juan trip with a car rental

  • Finding you a cheap flight from General Mitchell International Airport to San Juan isn't the only thing we're good at. Check out our car rentals in San Juan and have more freedom to explore. We search for deals from trusted car rental providers and put them all in one place. Instantly compare offers and then book with no fees.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.