$128 Find Cheap Flights from Chicago Midway Airport to Puerto Rico - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Midway to Puerto Rico departing on 9/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Book Cheap Midway to Puerto Rico Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Midway to Puerto Rico that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Midway to Puerto Rico

Mon, Aug 24 - Thu, Aug 27
Southwest Logo
9:10 am - 8:05 pm
MDW
-
SJU
9h 55m
1 stop
Southwest Logo
10:00 am - 6:00 pm
SJU
-
MDW
9h 00m
1 stop
$256Southwest
Fri, Aug 28 - Mon, Aug 31
Southwest Logo
2:55 pm - 11:50 pm
MDW
-
SJU
7h 55m
1 stop
Southwest Logo
8:55 pm - 9:25 am
SJU
-
MDW
13h 30m
1 stop
$266Southwest
Sat, Sep 26 - Wed, Sep 30
Southwest Logo
1:55 pm - 10:00 pm
MDW
-
SJU
7h 05m
1 stop
Southwest Logo
8:20 am - 2:45 pm
SJU
-
MDW
7h 25m
1 stop
$266Southwest
Thu, Aug 27 - Sun, Aug 30
Southwest Logo
11:15 am - 8:05 pm
MDW
-
SJU
7h 50m
1 stop
Southwest Logo
9:25 pm - 8:45 am
SJU
-
MDW
12h 20m
1 stop
$266Southwest
Tue, Aug 25 - Tue, Sep 1
Delta Logo
12:46 pm - 10:29 pm
MDW
-
SJU
8h 43m
1 stop
Delta Logo
7:00 am - 3:44 pm
SJU
-
MDW
9h 44m
1 stop
$276Delta
Wed, Aug 26 - Tue, Sep 1
Delta Logo
12:46 pm - 10:29 pm
MDW
-
SJU
8h 43m
1 stop
Delta Logo
7:00 am - 3:44 pm
SJU
-
MDW
9h 44m
1 stop
$276Delta
Tue, Sep 1 - Sun, Sep 6
Delta Logo
6:05 am - 1:42 pm
MDW
-
SJU
6h 37m
1 stop
Delta Logo
7:00 am - 3:44 pm
SJU
-
MDW
9h 44m
1 stop
$296Delta
Fri, Sep 18 - Thu, Sep 24
Frontier Logo
6:25 am - 3:19 pm
MDW
-
SJU
7h 54m
1 stop
Frontier Logo
7:00 am - 11:44 pm
SJU
-
MDW
17h 44m
2 stops
$340Frontier
Tue, Oct 13 - Wed, Oct 21
Frontier Logo
6:40 am - 2:46 pm
MDW
-
SJU
7h 06m
1 stop
Frontier Logo
3:51 pm - 9:58 pm
SJU
-
MDW
7h 07m
1 stop
$356Frontier
Wed, Sep 2 - Wed, Sep 9
Frontier Logo
6:05 am - 2:16 pm
MDW
-
SJU
7h 11m
1 stop
Frontier Logo
6:30 am - 5:51 pm
SJU
-
MDW
12h 21m
1 stop
$356Frontier
Booking Insights

KAYAK's insights & trends for Midway to Puerto Rico flights

Get data-powered insights and trends into flights from Midway to Puerto Rico to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest Chicago Midway Airport to Puerto Rico flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to Puerto Rico from Chicago Midway Airport found in the last 5 days was to San Juan, at $492 round-trip. The most popular route is from Chicago Midway Airport (MDW) to San Juan Luis Munoz Marin Intl Airport (SJU), and the cheapest round-trip airline ticket found on this route in the last 5 days was $492.

What is the cheapest time of day to fly to Puerto Rico?

The average price for all round-trip flights from Chicago Midway Airport to Puerto Rico depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.

The cheapest time of day to fly to Puerto Rico is generally in the morning, when round-trip flights cost $642 on average. The most expensive time of day to fly to Puerto Rico is generally in the morning, which is peak travel time and where the average cost of a ticket is $642.

What is the cheapest month to fly from Chicago Midway Airport to Puerto Rico?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Chicago Midway Airport to Puerto Rico, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Chicago Midway Airport to Puerto Rico is February, when tickets cost $243 (return) on average. On the other hand, the most expensive months are June and May, when the average cost of round-trip tickets is $556 and $506 respectively.

What’s the cheapest day of the week to fly from Chicago Midway Airport to Puerto Rico?

The average price of all round-trip flights from Chicago Midway Airport to Puerto Rico clicked on KAYAK for each day over the last 12 months.

When flying from Chicago Midway Airport to Puerto Rico, you should consider leaving on a Sunday and avoid Saturdays if you are looking for the best rates. For your return to Chicago Midway Airport, you’ll find the best rates on Saturdays and the most expensive ones on Sundays.

How far in advance should I book a flight from Chicago Midway Airport to Puerto Rico?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Chicago Midway Airport to Puerto Rico, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Chicago Midway Airport to Puerto Rico, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 4 weeks before departure.

Good to know

Low season

September

Cheapest flight

$128
Most popular time to fly with an average 39% increase in price.
Flight from Chicago Midway Airport to San Juan

FAQs - booking Puerto Rico flights

  • How does KAYAK find such low prices on flights from Chicago Midway Airport to Puerto Rico?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Chicago Midway Airport to Puerto Rico.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Chicago Midway Airport to Puerto Rico?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Chicago Midway Airport to Puerto Rico is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Chicago Midway Airport to Puerto Rico?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Chicago Midway Airport to Puerto Rico with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Chicago Midway Airport to Puerto Rico?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Chicago Midway Airport to Puerto Rico up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 3 airlines serving from Midway to Puerto Rico

 
Need help choosing which airline to fly with from Midway to Puerto Rico? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4222 reviews
8.6Crew
7.5Entertainment
8.0Comfort
7.0Food
8.1Boarding
Airline reviews

Boarding process of asking for volunteers to check bags goes against the system you had before with 2 bags checked free. This process is more of a guilt trip than a caring attitude toward the customer. In addition bag-size scrutiny has increased which also slows down the process of boarding. My wife said she will not fly on your airline again unless there is no other option.

10.0 ExcellentDenis, Aug 2026
MDW - ATL
Read more Southwest reviews

Boarding process of asking for volunteers to check bags goes against the system you had before with 2 bags checked free. This process is more of a guilt trip than a caring attitude toward the customer. In addition bag-size scrutiny has increased which also slows down the process of boarding. My wife said she will not fly on your airline again unless there is no other option.

Overall good, just screaming kids in the area the whole flight.

OKay. I sat in the back of the plane and it was really loud between babies and little kids, and adults who.like to talk a lot and loudly most of the flight.

The first time I flew in the extra legroom section. It was difficult to notice a difference. I had bad luck with my neighbors. The crew was okay. Southwest has reduced the live TV options.

I flew twice this week on Southwest, was delayed over 2 hours both ways. From Pittsburgh to Chicago it was due to weather but the gate agents, pilot etc were great at updating everyone. Today from Midway to Pittsburgh the plane had come from an international location, kept getting delayed, no information was given until we were delayed for the third time. It was ridiculous, whoever scheduled that plane to fly to Pittsburgh after didn’t consider a lot of things.

The staff was very friendly, professional, and courteous. The overall flight was a great experience.

All was good. I just had a hard time getting connected to the WiFi/internet during the flight

Better and more food and drinks. Put msnbc and free speech tv on the news channel selection list.

after landing, we stay 2 hours on the taxi way before reaching the gate The airline and the crew were good though

I'm not a fan of Southwest's model. I don't like the herding style of boarding.

The crew was very inconsiderate and rude. My flight was scheduled to depart at 6:00am. I received a call from the crew at 5:40am, asking if I was going to make the flight because I was the only one that hasn't boarded yet and boarding ends at 5:50am. I let them know that I will be at the gate in a few minutes, before the 5:50am cutoff. When I arrived at the gate at 5:45am the gate was closed. Departing early on last minute notice without having all passengers on board is inconsiderate and unprofessional.

Very easy to use and convenient, you can perform any action within the same portal

Okay considering we had weather delays which the Pilot notified us of immediately!

The boarding was organized and informative but the plane was tight meaning that you were sitting on one another and extremely uncomfortable. It’s disappointing that can’t have common seating comfort on the plane.

Everything could have benn better. Short fly, no food, no entertainment and no wifi.

Stop changing gates. Stop cancelling flights Stop moving my seat.

The staff was frielndly. The plane was terrible, it was too small and should be decommissioned. There were no back seat screens at all. The only beverages we had a choice from was coffee, tea or water. The only bathroom in the back was behind the flight attendant's jump seat and wasn't working. And I literally felt like I was sitting on top of the guy next to me. It was terribly hot in the plane and we had to sit on the tarmac in Chicago for 1/2 hour due to congestion in Mpls. Wouldn't they have know that before they even boarded us so that we could have sat in comfort in the terminal?

This was one of the worst flights I’ve been on in years. I upgraded to comfort and had such an uncomfortable experience. The person next to me was oversized - which I understand - however, they took up their space and mine. I could only use about 50% of my seat space to not be physically touching this person the entire flight and there was no spatial awareness. I also could not use the seat outlet because their body was obstructing it. It was very inconvenient. Their body kept touching me repeatedly during the flight and I felt very uncomfortable. To pay more for an upgraded space and then not even being able to use it was highly disappointing.

It was very cold because the air conditioner was on high power, and my son got sick.

Horrible. Flight ORD to CGH was okay, but Paris was a nightmare. Old planes, delays, involuntary downgrades, broken planes, terrible communication. CGH to CPT was my worst flight ever.

During the flight I suddenly felt very sick, and no one from the crew even tried to help me or check on my condition. They seemed completely indifferent and showed no concern for my well-being. I was very disappointed by the lack of care and compassion. I hope the airline improves its customer service and trains its crew to respond better when passengers need assistance.

Flight was canceled. Most upsetting was message from Kayak, stating that the flight was canceled and click with Kayak for details regarding rebook, refund details. THERE'S NO INFORMATION PROVIDED BY KAYAK EXCEPT THAT FLIGHT IS CANCELED. AND NOW THIS SURVEY TO FIND OUT HOW WAS THE FLIGHT !!!!!!!

Better than expected. Staff were friendly and nice on both flights.

Just know that everything, and I mean everything is “ala cart”. 60$ just to put something in the overhead bin. I will never fly Frontier again nor do I recommend them to anyone else.

Great for the price. No wifi or entertainment, but gate agents and crew were fantastic and we boarded quickly and left on time.

Our flight was canceled for no known reason. We weren’t told until we were checking in at 5:00 am. This was after our last flight with Frontier where we sat on the plane for three hours (not an exaggeration) before we took off because of a mechanical issue. We won’t be flying Frontier again.

I didn’t have enough time to catch my connecting flight and had to use a different Airline. I will be requesting a refund.

I brought a ticket and car rental through Travelocity. There was no where to add a KTN. So I thought i’d add it by looking up ticket on frontier website. I tried 3 times with the frontier chat bot to add my KTN it never updated my boarding pass. So then I tried showing up early to do it in person at the airport. The first employee update my ktn in the system and gave me a new boarding pass. I was sent back by tsa to join regular line. Then I was told to add my Ktn. It would cost me $25 extra. Given the length of the cue I did pay. Congratulations! BUT I will NEVER fly frontier again. Plus the plane was very old. It had actual ashtrays and old looking tray backs. Worst travel experience ever. Im warning my friends and family not to use frontier ever.

Was just ok with over selling I guess. A lot of people in a short space and when we finally arrive i20 minutes, waiting to get out from the plain because we were waiting authorization for out boarding? Something like that.

They changed my flight and did not want to accommodate me or try to help me in any way. They do not care about their customers.

Everything you need to know for your flight from Midway to Puerto Rico

Information on your arrival and departure airports