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Luis Munoz Marin Intl

$104+ Cheap flights from Chicago (CHI) 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SJU
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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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

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Cheapflights Tip: The best prices from Chicago to San Juan Luis Munoz Marin Intl are usually found in August or September, booked 53 days in advance, depart on a Tuesday or Monday and return on a Friday

Cheap flight deals from Chicago to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) 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 April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$195
(Cheapflightsfares)

One-way from

$104
(FlightHub)

Popular in

December

Cheapest in

August

Average price

$352

Good round-trip deal

$321 or less

Good one-way deal

$176 or less
Provider with most accurate pricing for Chicago (CHI)-San Juan Luis Munoz Marin Intl flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-San Juan Luis Munoz Marin Intl flights.
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From Chicago (CHI) to San Juan Luis Munoz Marin Intl
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One-way flight from Chicago (CHI) to San Juan Luis Munoz Marin Intl
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Highest demand for flights based on searches. 15% potential increase in price ($67 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Chicago (CHI) to San Juan Luis Munoz Marin Intl.
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Price to beat on a one-way flight from Chicago (CHI) to San Juan Luis Munoz Marin Intl.
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Find flight deals from Chicago to Luis Munoz Marin Intl

Cheapest flights from Chicago to Luis Munoz Marin Intl
Explore the most affordable flight options available from Chicago to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/129:55 amORD - SJU
1 stop7h 55mSpirit Airlines
Thu 5/298:12 pmSJU - ORD
1 stop13h 38mSpirit Airlines
Deal found 4/29$202
This eDestinos deal was found by Cheapflights users on 4/29. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/114:15 pmORD - SJU
1 stop20h 14mFrontier
Fri 5/163:56 amSJU - ORD
1 stop20h 36mFrontier
Deal found 4/29$270
This CheapOair deal was found by Cheapflights users on 4/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1511:30 amORD - SJU
Nonstop4h 46mMultiple Airlines
Mon 5/196:00 amSJU - ORD
1 stop13h 29mMultiple Airlines
Deal found 4/28$275
This Frontier deal was found by Cheapflights users on 4/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/88:30 amMDW - SJU
1 stop10h 14mFrontier
Sun 5/116:00 amSJU - MDW
1 stop12h 30mFrontier
Deal found 4/29$298
This Trip.com deal was found by Cheapflights users on 4/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/309:12 pmMDW - SJU
1 stop12h 44mMultiple Airlines
Wed 6/42:54 pmSJU - MDW
1 stop8h 44mMultiple Airlines
Deal found 4/29$327
This JetBlue deal was found by Cheapflights users on 4/29. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/134:03 pmORD - SJU
1 stop8h 46mJetBlue
Tue 5/208:00 amSJU - ORD
1 stop11h 36mJetBlue
Deal found 4/29$333
This Southwest deal was found by Cheapflights users on 4/29. 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.
Wed 10/86:55 amMDW - SJU
1 stop9h 20mSouthwest
Tue 10/142:45 pmSJU - MDW
1 stop8h 05mSouthwest
Deal found 4/29$391
This Delta deal was found by Cheapflights users on 4/29. 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.
Mon 5/1212:48 pmMDW - SJU
1 stop8h 59mDelta
Tue 5/207:30 amSJU - MDW
1 stop8h 50mDelta
Deal found 4/29$420

Cheapflights Fare Finder

Customize your flight search to find flights from Chicago 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 April 29, 2025.
Use the filters below to find and compare flights from Chicago to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Chicago

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Mon 5/12

9:55 am-6:50 pm

1 stop7h 55m

San Juan Luis Munoz Marin Intl

Thu 5/29

8:12 pm-8:50 am

1 stop13h 38m

$202

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Sun 5/11

4:15 pm-1:29 pm

1 stop20h 14m

San Juan Luis Munoz Marin Intl

Fri 5/16

3:56 am-11:32 pm

1 stop20h 36m

$270

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Thu 5/15

11:30 am-5:16 pm

Nonstop4h 46m

San Juan Luis Munoz Marin Intl

Mon 5/19

6:00 am-6:29 pm

1 stop13h 29m

$275

ChicagoSan Juan

MDW - SJU

MDWSJU

Chicago Midway

Thu 5/8

8:30 am-7:44 pm

1 stop10h 14m

San Juan Luis Munoz Marin Intl

Sun 5/11

6:00 am-5:30 pm

1 stop12h 30m

$298

ChicagoSan Juan

MDW - SJU

MDWSJU

Chicago Midway

Fri 5/30

9:12 pm-10:56 am

1 stop12h 44m

San Juan Luis Munoz Marin Intl

Wed 6/4

2:54 pm-10:38 pm

1 stop8h 44m

$327

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Tue 5/13

4:03 pm-1:49 am

1 stop8h 46m

San Juan Luis Munoz Marin Intl

Tue 5/20

8:00 am-6:36 pm

1 stop11h 36m

$333

ChicagoSan Juan

MDW - SJU

MDWSJU

Chicago Midway

Sat 5/24

12:48 pm-10:47 pm

1 stop8h 59m

San Juan Luis Munoz Marin Intl

Sat 5/31

6:15 am-11:53 am

1 stop6h 38m

$391

ChicagoSan Juan

MDW - SJU

MDWSJU

Chicago Midway

Mon 5/12

2:40 pm-11:55 pm

2 stops8h 15m

San Juan Luis Munoz Marin Intl

Thu 5/29

3:25 pm-10:40 pm

1 stop8h 15m

$393

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Thu 5/15

11:30 am-5:16 pm

Nonstop4h 46m

$104

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Mon 5/12

4:15 pm-12:05 am

1 stop6h 50m

$135

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 20 results
1
2

Compare providers for flights from Chicago to Luis Munoz Marin Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Luis Munoz Marin Intl in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
FareScanPrice Accuracy-Trust Score*3 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Chicago-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Chicago-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-San Juan Luis Munoz Marin Intl Airport flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-San Juan Luis Munoz Marin Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for Chicago to San Juan Luis Munoz Marin Intl Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Chicago to San Juan Luis Munoz Marin Intl Airport trip
Airlines
Spirit Airlines

Spirit's Big Front Seats offer 11 inches more legroom, ideal for medium-haul comfort.


Use Spirit's Bag-O-Tron tool to compare baggage fees and save money.

Read more about Spirit Airlinesby Daniel Scheffler
United Airlines

United's Economy Plus offers extra legroom, perfect for a more comfortable medium-haul journey.


United's MileagePlus allows pooling miles, useful for family travel.

Read more about United Airlinesby Harriet Baskas
Airports
ORD

For a smooth departure from ORD, consider using the 'L' train to avoid traffic delays common around the airport.

Read more about ORDby Ramsey Qubein
SJU

At SJU, Uber is a convenient option for reaching the city center, avoiding the need for cash payments.

Read more about SJUby Brandon Schultz
Our travel experts
Daniel Scheffler

Daniel Scheffler

Expert on Spirit Airlines

Daniel Scheffler

Daniel Scheffler

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on ORD

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Brandon Schultz

Brandon Schultz

Expert on SJU

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more

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

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Chicago 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 to San Juan Luis Munoz Marin Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Luis Munoz Marin Intl. Price data was last updated on April 25, 2025.

Booking 53 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago 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 to San Juan Luis Munoz Marin Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Chicago to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Chicago to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $336). 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 CHI to SJU?

Find hourly flight availability from Chicago 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 April 29, 2025.

It’s typically best to fly out from Chicago to San Juan Luis Munoz Marin Intl Airport in the evening. Doing so could potentially save you 28% on the flight price compared to flying in the morning, which is usually more expensive.

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

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

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

Weekly flight availability from Chicago to San Juan Luis Munoz Marin Intl Airport

Explore weekly flight availability from Chicago to Luis Munoz Marin Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 29, 2025.

The most flights from CHI to SJU are scheduled on a Monday (9 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (4 on average).

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 April 29, 2025.
Read through reviews of airlines operating flights from Chicago to San Juan, such as Southwest, Delta and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,295 reviews

Food

7.1

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,295 reviews
Southwest
8.0
Very good
4,295 reviews

Food

7.1

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,929 reviews
Southwest
8.0
Very good
4,295 reviews

Food

7.1

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,696 reviews
Southwest
8.0
Very good
4,295 reviews

Food

7.1

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
JetBlue
7.3
Good
2,922 reviews
Southwest
8.0
Very good
4,295 reviews

Food

7.1

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,295 reviews

Food

7.1

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Related info for your journey

Find useful and relevant information for your journey from Chicago 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 to San Juan Luis Munoz Marin Intl Airport round-trip?

    Our cheapest airline available from Chicago to San Juan Luis Munoz Marin Intl Airport is Spirit Airlines. Our recent data shows that you can find tickets from as low as $195 on this airline. Additional options worth looking into are Frontier and JetBlue, starting at $270 and $324 round-trip. Spirit Airlines is currently priced 47% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Chicago to San Juan Luis Munoz Marin Intl Airport one-way?

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $104. However, be on the lookout for offers from Frontier and JetBlue, as they are both options that can get you from Chicago to San Juan Luis Munoz Marin Intl Airport for a low price.

  • What are the most reliable airlines from Chicago to San Juan Luis Munoz Marin Intl Airport?

    Consider United Airlines (88%), American Airlines (83%) or Air Canada (82%) when booking your flight. These represent the most reliable airlines when flying from Chicago to San Juan Luis Munoz Marin Intl Airport.

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

    Looking for the cheapest flight from Chicago to San Juan Luis Munoz Marin Intl Airport? While on average our users pay $757, our data indicates the cheapest price to be $133. The most popular route (Chicago O'Hare Intl - San Juan Luis Munoz Marin Intl), is priced around $188.

  • Where are the most common layover locations when flying from Chicago to San Juan Luis Munoz Marin Intl Airport?

    Most of the time, Chicago to San Juan Luis Munoz Marin Intl Airport flights that have layovers will stop in Orlando.

  • What are some popular things to do or see while on a layover in Orlando?

    The majority of Orlando visitors spend their time at Walt Disney World Resort, Universal Orlando Resort, and International Drive. Walt Disney World Resort, Universal Orlando Resort, and International Drive are located about 16.2 mi, 10.2 mi, and 9.9 mi, respectively from Orlando. Those on a layover in Orlando in need of a rental car can book one at Orlando for about $26.

  • Where are the least popular layover locations for Chicago to San Juan Luis Munoz Marin Intl Airport flights?

    Of the flights from Chicago to San Juan Luis Munoz Marin Intl Airport that have layovers, the fewest flights stop in Charlotte.

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

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

  • How can I find direct flights from Chicago 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 Chicago to Luis Munoz Marin Intl.

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

    Yes. Cheapflights offers flight deals from Chicago 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 to San Juan Luis Munoz Marin Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Chicago to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Chicago to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $336). 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

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Top 7 airlines flying from Chicago to Luis Munoz Marin Intl

Discover the top 7 airlines that operate flights from Chicago 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$124Average$244FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$142Average$290FlexibilityNo cancel feeOn-time65%
DeltaCheapest$216Average$459FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$271Average$522FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$293Average$404FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$335Average$512FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$345Average$480FlexibilityNo cancel feeOn-time63%

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