Cheap Flights from Milwaukee General Mitchell to San Juan

Compare Milwaukee General Mitchell to San Juan flight deals

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Flight deals from Milwaukee General Mitchell Airport 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 $399. 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 April.

Milwaukee to San Juan: Flight information

The things to know before you go.
Cheapest flight found$399
Cheapest month to flyApril

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 $399. 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 $399.
As of March 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 April.
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 $399.
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 Sunday, 12 April 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 March, the average temperature is usually around 25°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.

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

  • General Mitchell International Airport is located in Milwaukee. Based in the UTC-4 timezone, San Juan is one hour ahead of Milwaukee.

  • Give yourself plenty of time to catch your MKE to San Juan flight. As a general rule, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Heading off during a peak time like public or school holidays? Expect longer queues at security and check-in. Give yourself extra leeway and arrive up to four hours before international flights and two hours before domestic departures.

  • We make it easy to book flight tickets from MKE to San Juan with a stopover. To see all the options, deselect 'Direct flights only.' Next, select a flight offering a stop long enough to tour your chosen city. Major stopovers include:

    • Hartsfield-Jackson Atlanta International Airport (ATL)

    • Orlando International Airport (MCO)

    • Nashville International Airport (BNA)

  • MKE is about 11 kilometres from central Milwaukee. If you're ride-sharing, catching a cab or driving from the centre, it'll take 15 minutes or so to get there, depending on traffic conditions. If you're using public transport, expect the journey time to be around 40 minutes.

  • Searching for a hotel near MKE? If you're boarding an early flight from General Mitchell International Airport to San Juan, these stays set you up for a seamless send-off:

  • 78.97% of flights leaving from General Mitchell International Airport reach their destination on schedule.

  • You'll find MKE at 5300 S. Howell Avenue.

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

  • $194 is the cheapest price we've found for a one-way General Mitchell International Airport to San Juan flight. A return ticket right now is $399. Depending on when you book and the availability, these fares could change.

  • Booking ahead of time is often the key to securing a cheap flight from MKE to San Juan. Fares tend to rise as seats fill up, so the nearer your departure date, the more you'll likely pay.

  • If you're flexible with your trip dates, try using the 'Whole month' search tool. It'll find the cheapest price across every month when looking for a General Mitchell International Airport to San Juan ticket.

  • Picking up a cheap flight from MKE to San Juan is easy with Price Alerts. Simply create one of these automatic notifications and we'll let you know as soon as there's a better deal.

  • Tailor your flights with filters. Pick your ideal departure and arrival times, airlines and total journey duration. You can also sort results by 'Cheapest,' 'Best' or 'Fastest' flights from General Mitchell International Airport to San Juan.

Airports in San Juan

Luis Munoz Marin International Airport (SJU)

  • The distance from Luis Munoz Marin International Airport (SJU) to central San Juan is roughly 8 kilometres. It takes around 10 minutes to get to the centre driving.

  • Travelling to the centre by public transport typically takes 55 minutes.

  • If you're arriving on a late flight from General Mitchell International Airport to San Juan, few things beat the convenience of staying close to the terminal. Grab your suitcases from the carousel and then be showered and snoozing soon after at one of these hotels near SJU:

  • Hit the road running by picking up a Luis Munoz Marin International Airport rental car. Grab a set of wheels from Sixt, Ace Rent a Car or U-Save and experience the lesser-explored corners of San Juan and beyond.

  • Lock in the best deal by booking your ride from Luis Munoz Marin International Airport about two weeks before your flight from MKE to San Juan.

Fernando Luis Ribas Dominicci Airport (SIG)

  • The centre of San Juan is around 8 kilometres from Fernando Luis Ribas Dominicci Airport (SIG). Once your flight from General Mitchell International Airport to San Juan has landed and you've made your way to arrivals, expect a drive of around 15 minutes.

  • Travelling by public transport will take around 1 hour.

  • Following your MKE to San Juan flight, settle in at a hotel near SIG. These are some comfortable accommodation options that'll help you get into relaxation mode:

Best time to go to San Juan

  • Carefully consider your travel dates before locking in your flight from General Mitchell International Airport to San Juan. The city comes alive during peak season, but prices are usually higher and top attractions can be busy. Go to San Juan in low season if you want a more relaxed vibe.

  • Lock in a General Mitchell International Airport to San Juan flight ticket with a departure in September if you're eager to explore the city during its warmest month. You can expect temperatures to range from 23ºC to 33ºC.

  • If you want to travel in cooler conditions, search for a cheap ticket from MKE to San Juan in February when temperatures average between 20ºC and 28ºC.

More about San Juan

  • When it comes to looking for somewhere to rest your head, you'll find the most popular stays in San Juan right here. Check out these options once you've booked your flight from General Mitchell International Airport to San Juan:

  • La Garita del morro de san juan bahia and Castillo San Felipe del Morro are just a couple of the major attractions to add to your San Juan itinerary. Keep the sightseeing going at Fortaleza Street.

Explore more of Puerto Rico

  • Aguadilla is just one of the many cities in Puerto Rico waiting to be explored once you've taken in the sights of San Juan. Around 113 kilometres away to the west, its best attractions include El Parterre, Aguadilla Ice Skating Arena and Bandera de los Reyes Magos.

  • If there's time to check out another great destination in Puerto Rico, head for Isabela, about 105 kilometres west of San Juan. Amarillo Mango, Urb. Llanos Piscina Park and Noches de Artesania are key highlights.

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