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$115+ Cheap flights from Luis Munoz Marin Intl (SJU) to Chicago (CHI)

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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — CHI
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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3. Compare prices and book

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Cheapflights Tip: The best prices from San Juan Luis Munoz Marin Intl to Chicago are usually found in January or May, booked 59 days in advance, depart on a Friday or Thursday and return on a Tuesday

Find flight deals from Luis Munoz Marin Intl to Chicago

Cheapest flights from Luis Munoz Marin Intl to Chicago
Explore the most affordable flight options available from Luis Munoz Marin Intl to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:17 pmSJU - ORD
1 stop20h 28mFrontier
Wed 11/196:40 amORD - SJU
1 stop18h 53mFrontier
Deal found 10/15$194
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/59:00 amSJU - ORD
1 stop11h 34mMultiple Airlines
Sat 11/811:51 amORD - SJU
2 stops13h 42mMultiple Airlines
Deal found 10/14$199
This Frontier deal was found by Cheapflights users on 10/14. 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.
Fri 10/243:40 amSJU - ORD
1 stop12h 59mFrontier
Tue 10/286:40 amORD - SJU
1 stop10h 14mFrontier
Deal found 10/14$201
This Frontier deal was found by Cheapflights users on 10/15. 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.
Wed 11/121:59 amSJU - ORD
1 stop7h 27mFrontier
Mon 11/176:40 amORD - SJU
1 stop9h 14mFrontier
Deal found 10/15$202
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/315:51 pmSJU - ORD
1 stop21h 54mMultiple Airlines
Mon 11/35:15 amORD - SJU
1 stop28h 04mMultiple Airlines
Deal found 10/14$203
This Cheapflightsfares deal was found by Cheapflights users on 10/16. 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.
Thu 10/233:19 pmSJU - ORD
1 stop7h 14mSpirit Airlines
Wed 10/295:28 pmORD - SJU
1 stop7h 16mSpirit Airlines
Deal found 10/16$204
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/246:22 amSJU - ORD
1 stop31h 23mMultiple Airlines
Mon 10/277:51 pmORD - SJU
1 stop14h 28mMultiple Airlines
Deal found 10/15$207
This Frontier deal was found by Cheapflights users on 10/14. 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.
Fri 10/173:40 amSJU - ORD
1 stop12h 59mFrontier
Wed 10/296:40 amORD - SJU
1 stop10h 14mFrontier
Deal found 10/14$208
This deal was found by Cheapflights users on 10/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/53:59 amSJU - MDW
1 stop7h 13mFrontier
Mon 11/106:15 amMDW - SJU
1 stop6h 59mFrontier
Deal found 10/15$212
This deal was found by Cheapflights users on 10/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/53:59 amSJU - ORD
1 stop10h 27mFrontier
Mon 11/105:05 amORD - SJU
1 stop8h 09mFrontier
Deal found 10/15$212
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/59:15 amSJU - ORD
1 stop31h 42mMultiple Airlines
Mon 12/85:55 amORD - SJU
Nonstop4h 41mMultiple Airlines
Deal found 10/15$213
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1410:39 pmSJU - MDW
1 stop13h 47mFrontier
Tue 11/186:26 pmMDW - SJU
1 stop31h 07mFrontier
Deal found 10/14$225

Cheap flight deals from Luis Munoz Marin Intl to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Luis Munoz Marin Intl (SJU) to Chicago (CHI). 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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$194
(Kiwi.com)

One-way from

$115
(Trip.com)

Popular in

August

Cheapest in

January

Average price

$341

Good round-trip deal

$313 or less

Good one-way deal

$155 or less
Provider with most accurate pricing for San Juan Luis Munoz Marin Intl-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Juan Luis Munoz Marin Intl-Chicago (CHI) flights.
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From San Juan Luis Munoz Marin Intl to Chicago (CHI)
Search Deals
One-way flight from San Juan Luis Munoz Marin Intl to Chicago (CHI)
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($4 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from San Juan Luis Munoz Marin Intl to Chicago (CHI).
Search Deals
Price to beat on a one-way flight from San Juan Luis Munoz Marin Intl to Chicago (CHI).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Luis Munoz Marin Intl to Chicago 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 October 16, 2025.
Use the filters below to find and compare flights from San Juan Luis Munoz Marin Intl Airport to Chicago that are best for you.

Fly from

Luis Munoz Marin Intl

Fly to

Chicago

Route

Depart

Return

Price

San JuanChicago

SJU - MDW

SJUMDW

San Juan Luis Munoz Marin Intl

Fri 2/13

10:50 am-7:15 pm

1 stop10h 25m

Chicago Midway

Sun 2/15

6:10 am-9:50 pm

1 stop13h 40m

$263

San JuanChicago

SJU - ORD

SJUORD

San Juan Luis Munoz Marin Intl

Thu 1/22

6:24 pm-11:54 pm

1 stop7h 30m

Chicago O'Hare Intl

Mon 2/2

7:10 am-5:15 pm

1 stop8h 05m

$263

San JuanChicago

SJU - MDW

SJUMDW

San Juan Luis Munoz Marin Intl

Fri 2/6

11:20 am-7:45 pm

2 stops10h 25m

Chicago Midway

Sun 2/15

6:10 am-9:50 pm

1 stop13h 40m

$263

San JuanChicago

SJU - MDW

SJUMDW

San Juan Luis Munoz Marin Intl

Thu 1/22

9:05 am-2:45 pm

1 stop7h 40m

Chicago Midway

Mon 2/2

7:35 am-7:05 pm

1 stop9h 30m

$263

San JuanChicago

SJU - MDW

SJUMDW

San Juan Luis Munoz Marin Intl

Thu 2/12

6:30 am-1:20 pm

2 stops8h 50m

Chicago Midway

Sun 2/15

6:10 am-9:50 pm

1 stop13h 40m

$263

San JuanChicago

SJU - MDW

SJUMDW

San Juan Luis Munoz Marin Intl

Wed 11/12

3:59 am-9:12 am

1 stop7h 13m

Chicago Midway

Mon 11/17

6:15 am-3:19 pm

1 stop7h 04m

$271

San JuanChicago

SJU - ORD

SJUORD

San Juan Luis Munoz Marin Intl

Thu 12/4

8:30 am-2:25 pm

1 stop7h 55m

Chicago O'Hare Intl

Wed 12/10

2:20 pm-9:00 pm

Nonstop4h 40m

$284

San JuanChicago

SJU - MDW

SJUMDW

San Juan Luis Munoz Marin Intl

Fri 10/31

10:39 pm-10:26 am

1 stop12h 47m

Chicago Midway

Sun 11/2

5:20 am-2:19 pm

1 stop6h 59m

$284

San JuanChicago

SJU - MDW

SJUMDW

San Juan Luis Munoz Marin Intl

Thu 3/5

4:11 pm-11:25 pm

1 stop9h 14m

Chicago Midway

Mon 3/9

3:10 pm-1:50 am

1 stop9h 40m

$284

San JuanChicago

SJU - MDW

SJUMDW

San Juan Luis Munoz Marin Intl

Fri 12/5

3:59 pm-11:05 pm

1 stop9h 06m

Chicago Midway

Mon 12/8

2:15 pm-2:50 am

1 stop10h 35m

$284

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Showing 1-10 of 37 results
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Compare providers for flights from Luis Munoz Marin Intl to Chicago

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 Luis Munoz Marin Intl to Chicago in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star

*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 San Juan Luis Munoz Marin Intl Airport-Chicago flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Juan Luis Munoz Marin Intl Airport-Chicago flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Juan Luis Munoz Marin Intl Airport-Chicago flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Juan Luis Munoz Marin Intl Airport-Chicago flights, Cheapflights users trust FlightHub the most. FlightHub 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 San Juan Luis Munoz Marin Intl Airport-Chicago flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from Luis Munoz Marin Intl to Chicago. Price data was last updated on October 10, 2025.

To ensure you get the cheapest price possible for a flight from San Juan Luis Munoz Marin Intl Airport to Chicago, you should look to book at least 59 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Chicago (average of $116). Flying from San Juan Luis Munoz Marin Intl Airport to Chicago in June is currently the most expensive (average of $193). 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 SJU to CHI?

Find hourly flight availability from Luis Munoz Marin Intl to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 16, 2025.

When flying from San Juan Luis Munoz Marin Intl Airport to Chicago, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 54% versus a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from Luis Munoz Marin Intl to Chicago. Price data was last updated on December 16, 2024.

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

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

Explore weekly flight availability from Luis Munoz Marin Intl to Chicago. 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 October 16, 2025.

The most flights from SJU to CHI are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

The best insider tips for San Juan Luis Munoz Marin Intl Airport to Chicago 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 San Juan Luis Munoz Marin Intl Airport to Chicago trip
Airlines
Spirit Airlines

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


Spirit's self-service bag drop speeds up airport check-in, saving time for travelers.

Read more about Spirit Airlinesby Daniel Scheffler
United Airlines

United's Economy Plus offers extra legroom, enhancing comfort on medium-haul flights.


United's Polaris Lounges provide premium amenities like showers and dining for business travelers.

Read more about United Airlinesby Harriet Baskas
Airports
SJU

Security wait times at SJU can vary dramatically, so arrive two hours early for domestic flights to avoid delays.

Read more about SJUby Brandon Schultz
ORD

For a quick city transfer, take the 'L' train from ORD to downtown Chicago, avoiding traffic delays.

Read more about ORDby Ramsey Qubein
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

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated October 16, 2025.
See what other customers who have flown with Southwest, United Airlines, and American Airlines from San Juan Luis Munoz Marin Intl Airport to Chicago have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,239 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,239 reviews
Southwest
8.0
Very good
4,239 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,979 reviews
Southwest
8.0
Very good
4,239 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,041 reviews
Southwest
8.0
Very good
4,239 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,096 reviews
Southwest
8.0
Very good
4,239 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,137 reviews
Southwest
8.0
Very good
4,239 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Luis Munoz Marin Intl to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from San Juan Luis Munoz Marin Intl Airport to Chicago?

    There are many flights that can get you from San Juan Luis Munoz Marin Intl Airport to Chicago in 7h 30m. Fly via Southwest, Delta, or United Airlines to get the fastest option. Airlines will cover a distance of 2073 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from San Juan Luis Munoz Marin Intl Airport to Chicago round-trip?

    Our cheapest airline available from San Juan Luis Munoz Marin Intl Airport to Chicago is Spirit Airlines. Our recent data shows that you can find tickets from as low as $136 on this airline. Additional options worth looking into are Frontier and Delta, starting at $137 and $162 round-trip. You may be able to fly from San Juan Luis Munoz Marin Intl Airport to Chicago for 56% less than the average price by searching for these airlines.

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

    $127 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on United Airlines and JetBlue, with prices starting from $127 and $130, respectively.

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

    No one likes to see their flight delayed. When booking a flight from San Juan Luis Munoz Marin Intl Airport to Chicago consider choosing Spirit Airlines (88%), Air Canada (68%) or United Airlines (68%) as they are the most reliable in getting you off to your destination on time.

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

    The cheapest flight price from San Juan Luis Munoz Marin Intl Airport to Chicago is $112. On average you can expect to pay $956. The most popular route, (San Juan Luis Munoz Marin Intl - Chicago O'Hare Intl), can usually be booked for $203.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Chicago (average of $116). Flying from San Juan Luis Munoz Marin Intl Airport to Chicago in June is currently the most expensive (average of $193). 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?

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Alternative routes for Luis Munoz Marin Intl to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
Luis Munoz Marin Intl to O'Hare Intl flights
Luis Munoz Marin Intl to Midway flights
Luis Munoz Marin Intl to St. Louis flights

Top 6 airlines flying from Luis Munoz Marin Intl to Chicago

Discover the top 6 airlines that operate flights from Luis Munoz Marin Intl to Chicago. 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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$136Average$278FlexibilityNo cancel feeOn-time65%
FrontierCheapest$137Average$262FlexibilityNo cancel feeOn-time62%
DeltaCheapest$162Average$487FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$262Average$483FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$336Average$481FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$384Average$516FlexibilityNo cancel feeOn-time63%

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