HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Chicago

$76+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — CHI
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Luis Munoz Marin Intl to Chicago 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.

The best prices from San Juan Luis Munoz Marin Intl to Chicago are usually found in January or August, booked 51 days in advance, depart on a Friday or Thursday and return on a Tuesday

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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$137
(Kiwi.com)

One-way from

$76
(Mytrip)

Popular in

December

Cheapest in

January

Average price

$302

Good round-trip deal

$257 or less

Good one-way deal

$171 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.
Search Deals
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
High demand for flights, 2% potential price rise
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 February 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

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 February 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 2/20. 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.
Thu 4/246:35 amSJU - ORD
Nonstop5h 23mMultiple Airlines
Mon 4/284:30 pmORD - SJU
1 stop9h 19mMultiple Airlines
Deal found 2/20$137
This eDestinos deal was found by Cheapflights users on 2/20. 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.
Tue 3/113:38 amSJU - ORD
1 stop7h 01mSpirit Airlines
Mon 3/178:46 pmORD - SJU
Nonstop4h 41mSpirit Airlines
Deal found 2/20$138
This Flightnetwork deal was found by Cheapflights users on 2/20. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/111:20 amSJU - MDW
1 stop12h 20mFrontier
Mon 5/51:19 pmMDW - SJU
1 stop12h 32mFrontier
Deal found 2/20$143
This Flightnetwork deal was found by Cheapflights users on 2/20. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/111:20 amSJU - ORD
1 stop20h 46mFrontier
Mon 5/54:15 pmORD - SJU
1 stop9h 36mFrontier
Deal found 2/20$148
This Delta deal was found by Cheapflights users on 2/18. 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.
Thu 3/66:15 amSJU - MDW
1 stop7h 44mDelta
Mon 3/109:54 amMDW - SJU
1 stop9h 16mDelta
Deal found 2/18$271
This Delta deal was found by Cheapflights users on 2/20. 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.
Wed 2/264:15 pmSJU - ORD
1 stop9h 34mDelta
Sun 3/211:15 amORD - SJU
1 stop10h 31mDelta
Deal found 2/20$271
This Southwest deal was found by Cheapflights users on 2/20. 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 5/85:35 amSJU - MDW
1 stop9h 45mSouthwest
Tue 5/136:35 amMDW - SJU
1 stop8h 00mSouthwest
Deal found 2/20$378

Find flights from Luis Munoz Marin Intl to Chicago within your budget

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 February 20, 2025.

Fly from

Luis Munoz Marin Intl

Fly to

Chicago

Route

Depart

Return

Price

San JuanChicago

SJU - ORD

SJUORD

San Juan Luis Munoz Marin Intl

Thu 4/24

6:35 am-10:58 am

Nonstop5h 23m

Chicago O'Hare Intl

Mon 4/28

4:30 pm-2:49 am

1 stop9h 19m

$137

San JuanChicago

SJU - ORD

SJUORD

San Juan Luis Munoz Marin Intl

Tue 3/11

3:38 am-9:39 am

1 stop7h 01m

Chicago O'Hare Intl

Mon 3/17

8:46 pm-2:27 am

Nonstop4h 41m

$138

San JuanChicago

SJU - MDW

SJUMDW

San Juan Luis Munoz Marin Intl

Thu 5/1

11:20 am-10:40 pm

1 stop12h 20m

Chicago Midway

Mon 5/5

1:19 pm-2:51 am

1 stop12h 32m

$143

San JuanChicago

SJU - ORD

SJUORD

San Juan Luis Munoz Marin Intl

Thu 5/1

11:20 am-7:06 am

1 stop20h 46m

Chicago O'Hare Intl

Mon 5/5

4:15 pm-2:51 am

1 stop9h 36m

$148

San JuanChicago

SJU - MDW

SJUMDW

San Juan Luis Munoz Marin Intl

Thu 3/6

6:15 am-11:59 am

1 stop7h 44m

Chicago Midway

Mon 3/10

9:54 am-8:10 pm

1 stop9h 16m

$271

San JuanChicago

SJU - MDW

SJUMDW

San Juan Luis Munoz Marin Intl

Thu 5/8

5:35 am-2:20 pm

1 stop9h 45m

Chicago Midway

Tue 5/13

6:35 am-3:35 pm

1 stop8h 00m

$378

San JuanChicago

SJU - ORD

SJUORD

San Juan Luis Munoz Marin Intl

Wed 5/7

1:10 am-10:28 pm

1 stop22h 18m

$76

San JuanChicago

SJU - ORD

SJUORD

San Juan Luis Munoz Marin Intl

Fri 3/14

2:44 am-6:54 pm

1 stop17h 10m

$79

San JuanChicago

SJU - MDW

SJUMDW

San Juan Luis Munoz Marin Intl

Tue 4/8

12:59 am-1:31 pm

2 stops13h 32m

$83

San JuanChicago

SJU - ORD

SJUORD

San Juan Luis Munoz Marin Intl

Wed 2/26

3:44 pm-7:14 pm

Nonstop5h 30m

$131

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 19 results
1
2

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust 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.

Travel insights for flights from Luis Munoz Marin Intl to Chicago

Get recent, data-driven insights about flights from Luis Munoz Marin Intl to Chicago including ideal travel times, pricing trends, and more.

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 February 14, 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 51 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, August is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Chicago (average of $245). Flying from San Juan Luis Munoz Marin Intl Airport to Chicago in March is currently the most expensive (average of $321). 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 February 20, 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 50% versus a flight at noon.

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 Friday evenings when fares are most often at their lowest. Tuesday 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 February 20, 2025.

The most flights from SJU to CHI are scheduled on a Monday (6 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Chicago by month

Plan your trip to Chicago by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago when rainfall is around 1.7 in.

Temperature in Chicago by month

Plan your trip to Chicago by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 February 20, 2025.
Read through reviews of airlines operating flights from San Juan to Chicago, such as Southwest, Delta and JetBlue. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

JetBlue
7.4
Good
3,070 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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.

  • 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 $140 on this airline. Additional options worth looking into are Frontier and Delta, starting at $143 and $271 round-trip. You may be able to fly from San Juan Luis Munoz Marin Intl Airport to Chicago for 53% 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?

    $76 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Frontier and American Airlines, with prices starting from $79 and $131, 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 Air Canada (84%), United Airlines (84%) or Air New Zealand (84%) 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 $87. On average you can expect to pay $498. The most popular route, (San Juan Luis Munoz Marin Intl - Chicago O'Hare Intl), can usually be booked for $122.

  • 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, August is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Chicago (average of $245). Flying from San Juan Luis Munoz Marin Intl Airport to Chicago in March is currently the most expensive (average of $321). 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 San Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Benton Harbor
Porter
Lansing
Valparaiso
Chesterton

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 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$137Average$269FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$139Average$257FlexibilityNo cancel feeOn-time65%
DeltaCheapest$182Average$384FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$213Average$459FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$220Average$386FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$314Average$463FlexibilityNo cancel feeOn-time71%
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.