Luis Munoz Marin Intl

$114+ Cheap flights from Midway (MDW) to Luis Munoz Marin Intl (SJU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
MDW — SJU
Jun 17 — Jun 241
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Midway to Luis Munoz Marin Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Chicago Midway to San Juan Luis Munoz Marin Intl are usually found in August or November, booked 29 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from Midway to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Midway (MDW) to Luis Munoz Marin Intl (SJU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$212
(Priceline)

One-way from

$114
(Cheapflightsfares)

Popular in

December

Cheapest in

August

Average price

$461

Good round-trip deal

$530 or less

Good one-way deal

$238 or less
From Chicago Midway to San Juan Luis Munoz Marin Intl
One-way flight from Chicago Midway to San Juan Luis Munoz Marin Intl
Highest demand for flights based on searches. 6% potential increase in price ($28 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
Average for round-trip flights in June 2025
Price to beat on a round-trip flight from Chicago Midway to San Juan Luis Munoz Marin Intl.
Price to beat on a one-way flight from Chicago Midway to San Juan Luis Munoz Marin Intl.

Find flight deals from Midway to Luis Munoz Marin Intl

Cheapest flights from Midway to Luis Munoz Marin Intl
Explore the most affordable flight options available from Midway to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Priceline deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/292:05 pmMDW - SJU
1 stop8h 49mFrontier
Fri 9/54:42 pmSJU - MDW
1 stop20h 14mFrontier
Deal found 6/10$212
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/410:35 amMDW - SJU
1 stop10h 46mDelta
Fri 11/143:30 pmSJU - MDW
1 stop8h 14mDelta
Deal found 6/10$331
This Southwest deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/102:55 pmMDW - SJU
1 stop7h 20mSouthwest
Tue 7/153:45 pmSJU - MDW
1 stop7h 35mSouthwest
Deal found 6/12$357

Cheapflights Fare Finder

Customize your flight search to find flights from Midway to Luis Munoz Marin Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Chicago Midway Airport to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Midway

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

ChicagoSan Juan

MDW - SJU

MDWSJU

Chicago Midway

Fri 8/29

2:05 pm-11:54 pm

1 stop8h 49m

San Juan Luis Munoz Marin Intl

Fri 9/5

4:42 pm-11:56 am

1 stop20h 14m

$212

ChicagoSan Juan

MDW - SJU

MDWSJU

Chicago Midway

Tue 11/4

10:35 am-11:21 pm

1 stop10h 46m

San Juan Luis Munoz Marin Intl

Wed 11/12

3:30 pm-9:44 pm

1 stop8h 14m

$331

ChicagoSan Juan

MDW - SJU

MDWSJU

Chicago Midway

Thu 7/10

2:55 pm-11:15 pm

1 stop7h 20m

San Juan Luis Munoz Marin Intl

Tue 7/15

3:45 pm-10:20 pm

1 stop7h 35m

$357

ChicagoSan Juan

MDW - SJU

MDWSJU

Chicago Midway

Fri 10/17

6:15 am-2:15 pm

1 stop7h 00m

$114

ChicagoSan Juan

MDW - SJU

MDWSJU

Chicago Midway

Mon 8/11

1:11 pm-3:30 pm

2 stops25h 19m

$156

ChicagoSan Juan

MDW - SJU

MDWSJU

Chicago Midway

Tue 7/15

4:05 pm-11:55 pm

1 stop6h 50m

$164

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from Midway to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Midway with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago Midway Airport to San Juan Luis Munoz Marin Intl Airport

How far ahead should I book a flight from Chicago Midway Airport to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Midway to Luis Munoz Marin Intl. Price data was last updated on June 9, 2025.

Booking 29 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago Midway Airport to San Juan Luis Munoz Marin Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Chicago Midway Airport to San Juan Luis Munoz Marin Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Chicago Midway Airport to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Chicago Midway Airport to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MDW to SJU?

Find hourly flight availability from Midway to Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

It’s typically best to fly out from Chicago Midway Airport to San Juan Luis Munoz Marin Intl Airport in the evening. Doing so could potentially save you 34% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Chicago Midway Airport to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Midway to Luis Munoz Marin Intl. Price data was last updated on February 10, 2025.

Travelers seeking maximum savings on their Chicago Midway Airport to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Tuesday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Luis Munoz Marin Intl by month

Plan your trip to Luis Munoz Marin Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Juan Luis Munoz Marin Intl Airport ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit San Juan Luis Munoz Marin Intl Airport when rainfall is around 2.2 in.

Temperature in Luis Munoz Marin Intl by month

Plan your trip to Luis Munoz Marin Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Juan Luis Munoz Marin Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

Reviews of airlines servicing Luis Munoz Marin Intl

Get insights into the airlines that provide service to Luis Munoz Marin Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Luis Munoz Marin Intl. Reviews last updated June 12, 2025.
Read through reviews of airlines operating flights from Chicago to San Juan, such as Southwest, Delta and Frontier. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.1

Boarding

8.2

Crew

8.6

Entertainment

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Food

7.1

Boarding

8.2

Crew

8.6

Entertainment

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
8.0
Very good

Food

7.1

Boarding

8.2

Crew

8.6

Entertainment

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Food

7.1

Boarding

8.2

Crew

8.6

Entertainment

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

Find useful and relevant information for your journey from Midway to Luis Munoz Marin Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines flying from Chicago Midway Airport to San Juan Luis Munoz Marin Intl Airport round-trip?

    Flying on Frontier is currently your cheapest option to San Juan Luis Munoz Marin Intl Airport, with prices starting at $212. Additional round-trip tickets that might be worth considering are offered by Delta and Southwest, with the lowest prices starting at $331 and $357, respectively. Frontier is currently priced 48% below the average price you’ll pay for this route.

  • What are the cheapest flights from Chicago Midway Airport to San Juan Luis Munoz Marin Intl Airport?

    The cheapest flight price from Chicago Midway Airport to San Juan Luis Munoz Marin Intl Airport is $226. On average you can expect to pay $386. The most popular route, (Chicago Midway - San Juan Luis Munoz Marin Intl), can usually be booked for $244.

  • Can I find deals for flights from Midway to Luis Munoz Marin Intl that include hotel bookings?

    Yes. In addition to deals on Midway to Luis Munoz Marin Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Midway to Luis Munoz Marin Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Midway to Luis Munoz Marin Intl.

  • Can I find deals for business class flights from Midway to Luis Munoz Marin Intl?

    Yes. Cheapflights offers flight deals from Midway to Luis Munoz Marin Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago Midway Airport to San Juan Luis Munoz Marin Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Chicago Midway Airport to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Chicago Midway Airport to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Chicago Midway Airport?

Book flights to Chicago Midway Airport if you plan to visit one of these locations
Dorado
Fajardo
Luquillo
Rio Grande
Humacao
Bayamón

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Midway to Luis Munoz Marin Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Midway to Luis Munoz Marin Intl

Discover the top 5 airlines that operate flights from Midway to Luis Munoz Marin Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$133Average$275FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$149Average$293FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$299Average$443FlexibilityNo cancel feeOn-time69%
DeltaCheapest$325Average$428FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$354Average$488FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.