Find cheap flights from San Juan to Milwaukee

SJU - MKE

Find cheap flights from San Juan to Milwaukee

Search hundreds of travel sites at once for deals on flights to Milwaukee. Bundle your flight + hotel and save!

Round-trip
Economy
San Juan (SJU)
Milwaukee Milwaukee-Mitchell
Tue 9/21
Tue 9/28
Any month
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Good to know

Low season

FebruaryBest time to beat the crowds with an average 19% drop in price.

High season

MayMost popular time to fly with an average 29% increase in price.

Average price round-trip

$369(avg. price over the last 2 weeks)

Good deal round-trip

$183or less

Good deal one-way

$177or less

When to book flights from San Juan to Milwaukee

Estimated round-trip price
Average price per month
Flight prices as travel date approaches

Top tips for finding a cheap flight

  • Looking for a cheap flight? 25% of our users found flights on this route for $177 or less one-way and $183 or less round-trip.
  • The cheapest flight from San Juan to Milwaukee was found 37 days before departure, on average.
  • Book at least 2 weeks before departure in order to get a below-average price.
  • High season is considered to be April, May and June. The cheapest month to fly is February.
  • Morning departure is around 137% more expensive than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

FAQs for booking San Juan to Milwaukee flights

Can I fly to Milwaukee? Are there any travel restrictions when entering Milwaukee?

Can I fly to Milwaukee without having to quarantine on arrival?

Do I need to take a coronavirus (Covid-19) test before flying to Milwaukee?

Can vaccinated people travel to Milwaukee?

What documents do I need to fly to Milwaukee?

What other coronavirus (Covid-19) restrictions are there in Milwaukee?

How long does a flight from San Juan to Milwaukee take?

Do I need a passport to fly between San Juan and Milwaukee?

What’s the cheapest day of the week to fly from San Juan to Milwaukee?

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How does KAYAK find such low prices on flights from San Juan to Milwaukee?

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What is the Hacker Fare option on flights from San Juan to Milwaukee?

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Juan to Milwaukee?

Top airlines flying San Juan Luis Munoz Marin Intl to Milwaukee Milwaukee-Mitchell

Scores according to KAYAK customer reviews

5.7
Frontier
Overall score based on 40,093 reviews
6.4
Boarding
5.4
Comfort
6.8
Crew
4.6
Entertainment
4.7
Food
Airline reviews

Pros: "The flight was only 3 hours?"
Cons: "Communication about the delays. More attendants working at night & more food/drink options open later."

Pros: "Nothing"
Cons: "Everything"

Pros: "Better costumer service !"
Cons: "Everything"

Cons: "Too many people on the plane during Covid"

Pros: "Crew was amazing!"
Cons: "Social Distancing"

Cons: "My flight was changed last minute and without any notification to me causing me to miss my Flight and have to reschedule w Frontier"

Pros: "Nothing. Not clean at all."
Cons: "Clean the plane. Space people out. Passengers were bunched together while other spaces were wide open. Not cool"

Pros: "Ok."
Cons: "Nothinh"

Pros: "Yes"
Cons: "No"

Pros: "The crew was much nicer and informative this flight compared to last week Friday."
Cons: "Always maintenance issues"

Cons: "Los precios son muy populares por lo que la incomodidad de los asientos se te olvida. En general todo es bueno. Aparentaba estar limpio y el servicio fue excelente."

Pros: "The crew was fresh and tried their best to cheer us up."
Cons: "Flight going on time! Not 4 hour delay in the middle of the night. Red eye flight with kids is miserable. Instead of getting home at midnight, got home at 5am! Seats are uncomfortable, No food. No beverages. No pillows, blankets supplied, offered or available to passengers. Frontier Staff at terminal/gate were incredibly disorganized and unhelpful."

Pros: "Nothing"
Cons: "Everything"

Pros: "Crew was very nice and the ride was smooth."
Cons: "We were delayed about an hour."

Cons: "Seat comfort and space could be improved."

Cons: "Tickets were purchased together but yet one ticket was zone 1 and the other two were zone 3"

Pros: "I have never flown Frontier. Everything was smooth. Crew was friendly and helpful. Did not purchase food items on plane and there is no entertainment but I knew that booking the flight. I sat in the 3rd row and had a reclining chair and plenty of leg room. Bags checked easily and in baggage claim fairly quickly. Frontier has a new fleet of planes and this plane was very clean and newer. I will fly frontier again. Price is right and great expierence. What more can you ask for?!"

Cons: "Hardest seats that I have sat in"

Cons: "Delayed flight with no reason given. Flight crew was great through. All my flights with Frontier are always delayed and never given a reason and I've never been offered any compensation. I've had to make other plans that cost me to rearrange things because of this. Won't be flying them again if I can help it...."

Pros: "Good price on short notice. That will bring me back to a Frontier flight in a pinch."
Cons: "Baggage fees, Cramped seating, impatient personnel, and the website— good LORD they had about 10 screens trying to sell me more things before I could just check in!"

Pros: "Everything was fine for a no frills airline. Just be sure to bring your own water. You only get one cup, and if you sleep through water service you are out of luck."

Pros: "Relatively well-priced"
Cons: "Delayed, lied to about reason, no entertainment, no compensation for time or money spent due to delay, bad customer service, late bags."

Pros: "Everything with the flight was great."
Cons: "When we got to the airport, we waited over an hour for our luggage as passengers on other flights came and went. I can understand occasional flight issue, but the frustrating part was that there were no Frontier staff nearby for assistance. We were just stuck with no help. And their customer service line is horrible; it takes many many steps to get to an option to speak with a live person, then you get to sit on hold for many many many minutes. Fortunately Southwest Airlines had very helpful and friendly staff nearby to try to help us."

Pros: "Nothing to like."
Cons: "Me & my wife arrived 3 hours early for our flight. During that time waiting to check our baggage, there were 3 arguments between employees and customers at 3 different times. After checking in and waiting at the terminal for our flight which supposed to leave at 12:55AM was delayed to 3AM. The flight ended up to being cancelled after everyone got in the plane. About 5-15 minutes all passengers was told to exit the plane. There were only one frontier employee who was working at the at the gate after we all exited. This specific employee said the manager had told all other frontier employees to go home. Me and my wife were really upset about this situation. It took a very long time for the employee to deal with all passengers refunds to changing flights. This had affected our flights to MkE because my wife mother was in her death bed to passing away today. The way things were handled during the flight on this day was a horrible experience. We then bought our flights from southwest after all this hectic morning."

Pros: "Flight got cancelled at the last minute and they didnt try to communic"
Cons: "Still waiting for my refund"

Pros: "Nothing."
Cons: "The total cost of the flight is just a fraction of what you’ll pay. The nickel and dime you for everything. $38 for a carrying on, same for a checked bag. It was a quick trip and thought a back pack would be okay to carry on.... nope that’s $38, if you pay ahead of time. They charge more at the gate. When you check in they try to get you to pay anywhere from $9 to $21 to pick a seat. Seats don’t recline either. Flight was also late. You’re better off paying the full fare on another flight than flying Frontier. Never again."

Pros: "Leg room was surprisingly adequate."
Cons: "I paid for front row seats. Flight was delayed 1hr. When we arrived at the gate they told us they had given our seats to other people because we allegedly were late."

Pros: "Flight atendent in both my flights were great."
Cons: "Boarding procedures. They should board back row to front rows at departure with the exception of children or persons with handicap and deboard front to back."

Pros: "Everything went smooth"
Cons: "That you get charged for carry on bags and not told ahead of time charging $45 for a carry on and another $45 for a check in bag an extra $90 is out ragges"

Cons: "Seats don't recline. Hard to sleep"

Pros: "I was almost late and they did everything they could to help me get to my destination including running my drivers license to me, as I was realizing at the security check that I had lost it. Then the crew was second to none and far better than other larger airlines. I'm sure most people know through word of mouth or their own experiences that they are sometimes spread too thin to cater to the customer anymore and this, however, was a fresh change of pace. I rarely take the time to fill reviews out but felt obligated in this case to spread the word through my gratitude. I had recently been laid off and they made sure I got on my flight for a job opportunity I needed. I thought the best part was the $59 ticket with tax but you can't quantify real costumer service like that. Thank you again to everyone at Frontier Airlines!"

Cons: "I had purchased tickets in December. When I went to check in online, I found out I needed to pay additional for our seats, to check in one bag and for a carry on. Therefore, my additional charges were $178.00. Therefore, I didn't receive the "great fare" I was expecting. Also, Frontier charges an extravagant amount for their food and drink while flying. Everything else was fine. I will definitely do more comparison shopping next time and try to avoid flying Frontier."

Cons: "I was shocked to find out that not only did I have to pay for a carry on, I had to pay for a seat. This airline seems reasonable with their fares until you add on all of the extras that should be included. Not a happy traveler."

Pros: "The flight attendants were very friendly the flights were cheap I will definitely fly frontier more often."
Cons: "I don't like that you have to pay to pick your seat especially for people that have anxiety and need specific seats with more room :/"

Pros: "I don't know we missed the flight"
Cons: "....we had trouble getting our tickets printed with the Kiosk and no one would help they told us to get in line, which was going so slow by the time we were serviced we were 5 minutes late to get our baggage on, they said we could board but not baggage, Our options were to get a flight the next day which has to go to Denver first leaving Phoenix at 5 or so am and getting to Milw around 9 pm so as of right now, we are in a motel waiting for 5 am flight tomorrow. We were not alone 4 others also missed the flight."

Pros: "The flight crew did a great job giving us an update on the football game that many of the passengers wanted to be updated on"

Pros: "Worst airline ever. Cancelled the flight due to operational issues and had nothing to offer except a flight 4 days later. Total waste of time and money."
Cons: "Respectable airlines will offer you something to get to your destination - booked on another airline or at least a hotel if you are stuck. This is not a respectable airline."

Pros: "The crew was courteous and we got to our destination early both ways."
Cons: "I was charged $60 for carry-on on the way out and $45 on the way back, why the difference? so much for the cheap flight. Also, the chairs didn't recline...was uncomfortable for trying to sleep."

Pros: "Initially the cost of the airfare seemed too good to be true....we ended up paying $190 in addition to the cost of the tickets."
Cons: "1.Hidden costs - we have carry on luggage that ALL other airlines are fine with, but when we got to the gate to board they told us they weren't for carry on and had to pay and additional $60/piece($120 total) and threatened that we couldn't board if we didn't pay. Then they allowed us to carry them on and they fit easily in the overhead compartment. 2.Mass confusion boarding on the return flight. There were designated long lines, then other personnel would make changes to the lines confusing everyone even more. 3.We had our bags pre checked, our boarding passes printed the night before (as recommended by the airlines) to expedite the boarding process and we still had to stand in line with the other passengers who had not completed this ahead of time. It did not expedite anything for us. 4.Seats do not recline, very uncomfortable. 5. No vomit bags....we had a very turbulent decent and many people in need of sick bags. Many ended up vomiting into their personal bags!"

Pros: "Short Flight. Didnt have to deal with anything for too long."
Cons: "The crew was very rude from milwaukee & even in orlando. I had never flown before & they were not very respectful of how I was feeling before & during the flight. I just tried to sleep my way throught it (which was not very successful). Leaving from Orlando was twice the hassle that Milwaukee was. None of the Kiosks were working so everyone that didn't check in online had to check in physically with a crew member. & even those who did check in online had to have their boarding passes reprinted because tsa scanners were not working. so that was another line to stand in. I arrived to the Orlando air port 2 hours before my flight & did not get a resting moment before boarding. I had stood in line for almost an hour when a crew member had said I was in the wrong line & to go to the very left line..there was no line there. there were ropes in a U shape that went no where. so then I had to go all the way back to the end of the line I had already wasted an hour on just to wait longer the second time around. The prices for this flight was not bad until you add all of the fees that came along with it. Will not be flying with Frontier EVER again."

Pros: "Staff was friendly on my flight"
Cons: "My bags never made it to my destination. It was a direct flight and I was told it was probably left at my departing city"

Pros: "Easy on, easy off. Standard flight."
Cons: "The seats are pretty uncomfortable and there were extra charges for just about everything. We were going to carry on luggage but it was more expensive than checked luggage so we ended up checking luggage. Lower cost flight but by the time we paid for the seating and upgrades we could have gone with another airline. Even soft drinks were a charge. Nothing free here."

Pros: "Cheap"
Cons: "Felt nickel-and-died with all the up-charges, like being charged more for a carry-on than for a checked bag."

Cons: "TWO HOUR DELAY ON THE PLANE !"

Pros: "I didn't like anything. Nothing was handled well."
Cons: "Flight was delayed six hours. They didn't communicate the initial delay until 10 minutes after we were supposed to board. The gate attendants were not knowledgable. We were supposed to board 4 hours later and didn't make it on the plane till 5 hours later. Then they forgot to get gas so we were stuck on the plane for another 45 minutes. Flight attendants didn't offer food or drink and kept saying everything was for an additional fee. Nothing was provided. I will never fly with frontier again and am seriously concerned about my return flight."

Cons: "Ride was rough and my daughter go sick. My wife had to clean up the area and I had to take garbage and put it in the garbage can. Staff did not want to touch anything."

Pros: "Attention to detail. Outstanding miles membership program."
Cons: "Notta thing"

Cons: "The extra fees for your seat, luggage, including carry-on bags and all food and beverages! And tipping the crew for those services."

Cons: "I was disappointed that there weren't any headrest monitors with movies and there wasn't music available. If they aren't going to offer that then at least offer free wifi"

"We were waiting to get to the gate for over an hour"

"Horrible airline"

"Well the flight from Fort Lauderdale to Austin was the poor one. I highly don't recommend Spirit . DO NOT USE SPIRIT AIRLINE!!! they charge you for everything. You ended up paying more"

"Nothing"

"Plane did not have outlets for charging devices. The seats are uncomfortable."

"Todo bien"

Pros: "Crew was great"
Cons: "Baggage, entertainment, food"

Cons: "Too many of the passengers were out of control"

Pros: "Nothing ! Flight was uncomfortable"

Cons: "Boarding process should be better, the seats should be more comfortable, no extra fees should be imposed. All around terrible Flight. Will never fly spirit again ."

Pros: "The flight was very smooth. Excellent landing."
Cons: "Nothing."

Pros: "The flight attendants was very friendly and helpful."
Cons: "Taking care of social distance inside the airplane."

Pros: "Good"
Cons: "Perfect"

Pros: "No frills."
Cons: "Seats aren't very comfortable. Probably the Airbus Basic seat....but could be more padded and have neck support."

Pros: "Good"
Cons: "Good"

Pros: "Cleanliness and nice staff"
Cons: "A woman sitting next to me had her full size purse on her lap the entire flight and it was difficult to move. The rule is everything goes under the seat in front but it didn’t apply to her."

Pros: "Yes"
Cons: "God"

Pros: "Good"
Cons: "Yes"

Cons: "Deben dar algo de tomar"

Cons: "Spirit crew back in SJ a little unfriendly"

Cons: "Flight was great!"

Pros: "confortable"
Cons: "nothing"

Cons: "Make seats reclinable!"

Pros: "The Flight was amazing."
Cons: "Nothing. everything was perfect, thank you for taking me safe home!"

Pros: "Yes !!! They change my seats for take my family closer..."
Cons: "I think the fly is with much people. One seat in the middle with no body is better in this time for Security COVID."

Cons: "Too crowded for social distance. Other airlines are leaving a chair empty in between."

Pros: "Nothing"
Cons: "With this whole thing going on with the virus I brooked my flight before all this broke out to haywire. I refuse to stay in quarantine and the staff at the desk are very unknowledgeable"

Pros: "Wasn’t able to board due to the extensive long lines at TSA. SJU needs to improve their staffing to make the process a lot quicker. Missed the flight and wasn’t able to be accommodated"
Cons: "Add more staffing for TSA in SJU to speed up the process"

Pros: "The crew need to be more professional and care the passenger."
Cons: "The Spirit’s airline needs to be more reliable. Fourth hours delayed wasn’t funny."

Pros: "Cheap no frill airline. Water in the bathroom and $3 for water to drink for a 4 hours flight."
Cons: "Adding my pre TSA check on my board pass and not changing $80 dollars for one suitcase. CRAZY!!! $3 FOR WATER ON A 4 HOURS FLIGHT. We should have at least water for drink for free. Flight was delayed on top of all these inconveniences. Bathroom have no running water too."

Pros: "Profesional service"
Cons: "No delayed"

Pros: "N/A"
Cons: "Regular"

Pros: "Everything"
Cons: "More flights"

Pros: "Smooth boarding"
Cons: "At least water should be free not everyone has a credit card"

Pros: "I fly ALL the time with my Pet in Cabin. This supposed to be our first time with Spirit. Employees refuse to let my dog fly. They said the dog cannot turn around inside the soft sides bag. My dog indeed turn around inside the bag, but sometimes she don’t want or need to do that!! Counter attendants refund my money effective in 7 days. Almost immediately in went to SOUTHWEST, side by side with Spirit counter and quickly buy our tickets to FLL. Thanks to SOUTHWEST we arrive on time."
Cons: "They don’t let me fly with my Pet in cabin. I simply buy on another airline as usual."

Pros: "It was the most affordable alternative to fly to Dallas. It was a connecting flight and I had no problems catching my connecting flight. The crew was very nice and attentive. The boarding process was organized. The captain keeps you well informed about what to expect during the flight, which I found comforting since flying makes me anxious."
Cons: "There was no entertainment available. You need to take something with you (tablet, phone with music, books) Seats don’t recline."

Pros: "I decide to fly with Spirit this time because AA were too expensive. Everything was on time. Smooth entrance process to aircraft. I bring my personal item back pack only. They are not so rigorous with bags at the gate. I pay $104 for my one way ticket and $25 for seat 5A. Buy with enough time and better prices. Wonderful State of the Art Terminal at Fort Lauderdale!! All remodeled."
Cons: "Everything was great."

Cons: "Seats not comfortable at all. No entertainment at all like the little screens for movies or music. Asked for some water (I just wanted a cup of water) and they wanted to sell me a bottle of water for $3. The gave me a half full cup. Had to stay in plane for more than an hour to get out of plane when arraving at Orlando. Even had to pay for my carry on! Never have I ever paid for a carry on with other airlines! And it was very expensive. $105 for carry on + luggage."

Pros: "Nothing"
Cons: "I missed this flight because my Spirit flight from San Juan was late. I kept asking every Spirit employee that I could find to help me nit miss my connection. They jeot saying that the crew at the connection was aware lthat we were a few minutes behind. But after traversing half a building in construction I found a lady closing the still-open gate just to tell me I couldn’t get in because NOW it eas close. They booked me on a morning flught next day. I paid for a big seat on row 1. They gave me a seat 11 rows back. I want a refund and I’ll never fly Spirit ever again."

Pros: "On time and everything ran smoothly"

Cons: "The seats"

Pros: "They are very kind with the customers and we departed on time and got earlier than we expected"
Cons: "Not apply, everything was awesome"

Cons: "Although weather conditions were not Spirit's doing, on the return flight we had to wait in the tarmac for 3 hours to unload and 2 hours to retrieve baggage, we had a very rude crew member that eventually had a passenger return his rudeness with the same. After 2 hours of waiting was when Spirit decided to offer us 3 oz of water and a tiny package of cookie. Thank God for no medical emergency, but they didn't come out and offer actual bottles of water and/or a real snack. Terrible consideration toward the passengers."

Pros: "I like the price of the tickets...they kept me posted for my flight."
Cons: "It was very dirty, no leg room, again is because of the prices, and everything is extra!"

Pros: "The plane was actually really nice and the attendants on and off the plane were nice as well."
Cons: "Nothing to complain about. Just delayed not your fault."

Pros: "nothing"
Cons: "the flight attendants dont smile or engage you. on flight home to FLL I became ill and they knew it and offered no assistance. I had to VOMIT IN A CUP because you are too CHEAP to buy bags. A Fluke I had a cup to PUKE IN. i was on phone ONE HOUR and SIX MINUTES with spirit. My name was spelled wrong and was assured it was correct, only to be turned back at TSA. For return to FLL I couldnt print boarding pass, you are too cheap to have an APP or email a pass....I had to call AGAIN and was told you owe me a credit for overcharging my bag. WOW WHAT A RIDE. WHEN I LANDED THERE WAS A BRAWL AT SPIRIT COUNTER IN FLL.....SURPRISED?"

Pros: "Nothing"
Cons: "Seats where incredibly uncomfortable, the tray was so small that only my water and half sandwhich could fit...forget about my salad and the fees for bag!!!"

Pros: "Nothing"
Cons: "Like always unexpected delay and cancellations . This is completely unacceptable and it will get them out of business es"

Pros: "The staff in the plane were very rood and was fighting disgusted with every thing"
Cons: "The service and thinking how much we pay was vety poor not even water"

Cons: "I don't like when you just arrived at the airport and everybody is standing up in the plane it should be in for sized to stay seated and exit the plane just as you enter the plane first row second row third throw I think the stewardesses should announce this and make it clear and not do one big jungle everybody trying to get off the plane at the same time also was taking your carry-on off the overhead it should be emphasized that where you see that this is your place above and not people from the front sticking their extra luggage over your seat"

Read more about Frontier
COVID-19 information

Safety measures for airlines flying from San Juan to Milwaukee

Airlines flying from San Juan to Milwaukee have enacted additional safety measures and adjusted policies to better accommodate travelers. Policies vary by airline.

Heightened sanitation

Daily cleaning, installation of cabin HEPA filters on flights from San Juan to Milwaukee

Mandatory masks

Masks required on board, masks provided on flights from San Juan to Milwaukee

Social distancing seating

Middle seats unavailable to book on flights from San Juan to Milwaukee

Pre-flight testing

Testing for antibodies, testing for symptoms for flights from San Juan to Milwaukee

Book cheap flights from San Juan to Milwaukee

Recent round-trip flight deals

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Recent one-way flight deals

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19h 20m
SJU - MKE
11/24
Wed
2 stops
Multiple Airlines
21h 55m
SJU - MKE
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