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$87+ Cheap flights from San Juan 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 4/17. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — CHI
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
1 adult, Economy
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Cheapflights Tip: The best prices from San Juan to Chicago are usually found in January or May, booked 51 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from San Juan to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) 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 April 1, 2025.

Round-trip from

$175
(Cheapflightsfares)

One-way from

$87
(FlightHub)

Popular in

March

Cheapest in

January

Average price

$332
From San Juan to Chicago (CHI)
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One-way flight from San Juan to Chicago (CHI)
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Highest demand for flights based on searches. 8% potential increase in price ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from San Juan to Chicago

Cheapest flights from San Juan to Chicago
Explore the most affordable flight options available from San Juan to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/31. 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 4/246:35 amSJU - ORD
Nonstop5h 23mSpirit Airlines
Tue 4/297:00 pmORD - SJU
1 stop12h 26mSpirit Airlines
Deal found 3/31$175
This Booking.com deal was found by Cheapflights users on 4/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/73:56 amSJU - ORD
1 stop20h 36mMultiple Airlines
Sun 5/1110:33 amORD - SJU
1 stop11h 20mMultiple Airlines
Deal found 4/1$271
This eDestinos deal was found by Cheapflights users on 4/1. 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.
Thu 4/175:30 amSJU - ORD
1 stop10h 36mFrontier
Mon 4/219:50 amORD - SJU
1 stop22h 03mFrontier
Deal found 4/1$279
This Flightnetwork deal was found by Cheapflights users on 3/31. 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.
Fri 5/26:00 amSJU - MDW
1 stop12h 28mFrontier
Mon 5/51:19 pmMDW - SJU
1 stop12h 32mFrontier
Deal found 3/31$281
This Delta deal was found by Cheapflights users on 3/31. 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.
Fri 5/97:30 amSJU - MDW
1 stop11h 13mDelta
Sat 5/1712:48 pmMDW - SJU
1 stop8h 59mDelta
Deal found 3/31$381
This Southwest deal was found by Cheapflights users on 4/1. 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.
Fri 9/125:50 amSJU - MDW
1 stop10h 00mSouthwest
Mon 9/156:05 amMDW - SJU
1 stop8h 05mSouthwest
Deal found 4/1$395

Cheapflights Fare Finder

Customize your flight search to find flights from San Juan 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 April 1, 2025.
Use the filters below to find and compare flights from San Juan to Chicago that are best for you.

Fly from

San Juan

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

Tue 4/29

7:00 pm-8:26 am

1 stop12h 26m

$175

San JuanChicago

SJU - ORD

SJUORD

San Juan Luis Munoz Marin Intl

Wed 5/7

3:56 am-11:32 pm

1 stop20h 36m

Chicago O'Hare Intl

Sun 5/11

10:33 am-10:53 pm

1 stop11h 20m

$271

San JuanChicago

SJU - ORD

SJUORD

San Juan Luis Munoz Marin Intl

Thu 4/17

5:30 am-3:06 pm

1 stop10h 36m

Chicago O'Hare Intl

Mon 4/21

9:50 am-8:53 am

1 stop22h 03m

$279

San JuanChicago

SJU - MDW

SJUMDW

San Juan Luis Munoz Marin Intl

Fri 5/2

6:00 am-5:28 pm

1 stop12h 28m

Chicago Midway

Mon 5/5

1:19 pm-2:51 am

1 stop12h 32m

$281

San JuanChicago

SJU - MDW

SJUMDW

San Juan Luis Munoz Marin Intl

Fri 5/9

7:30 am-5:43 pm

1 stop11h 13m

Chicago Midway

Sat 5/17

12:48 pm-7:48 pm

1 stop6h 00m

$381

San JuanChicago

SJU - MDW

SJUMDW

San Juan Luis Munoz Marin Intl

Sat 5/10

1:00 pm-5:20 pm

Nonstop5h 20m

Chicago Midway

Sun 5/18

8:45 pm-9:50 am

1 stop12h 05m

$397

San JuanChicago

SJU - MDW

SJUMDW

San Juan Luis Munoz Marin Intl

Wed 4/9

2:40 pm-4:40 pm

2 stops27h 00m

Chicago Midway

Tue 4/22

11:15 am-5:04 pm

3 stops28h 49m

$907

San JuanChicago

SJU - ORD

SJUORD

San Juan Luis Munoz Marin Intl

Thu 4/17

9:30 pm-8:04 am

1 stop11h 34m

$87

San JuanChicago

SJU - ORD

SJUORD

San Juan Luis Munoz Marin Intl

Tue 5/6

6:20 am-6:17 pm

1 stop12h 57m

$124

San JuanChicago

SJU - MDW

SJUMDW

San Juan Luis Munoz Marin Intl

Mon 5/5

10:46 am-11:47 pm

1 stop14h 01m

$137

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 20 results
1
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Best time to book a flight from San Juan to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from San Juan 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 to Chicago

How far ahead should I book a flight from San Juan to Chicago?

Use this chart to determine the optimal time to book a round-trip flight from San Juan to Chicago. Price data was last updated on March 28, 2025.

To ensure you get the cheapest price possible for a flight from San Juan 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 to Chicago?

Currently, August is the cheapest month in which you can book a flight from San Juan to Chicago (average of $245). Flying from San Juan to Chicago in March is currently the most expensive (average of $323). 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 San Juan 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 April 1, 2025.

When flying from San Juan 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 to Chicago?

Use this chart to determine the cheapest time to fly round-trip from San Juan to Chicago. Price data was last updated on December 8, 2024.

Travelers seeking maximum savings on their San Juan 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 to Chicago

Explore weekly flight availability from San Juan 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 April 1, 2025.

The most flights from PR1 to CHI are scheduled on a Monday (11 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 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 April 1, 2025.
To help decide which airline to fly from San Juan to Chicago, see what other customers have to say about Southwest, Delta and Avelo Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,275 reviews

Entertainment

7.6

Boarding

8.2

Crew

8.6

Food

7.1

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,275 reviews
Southwest
8.0
Very good
4,275 reviews

Entertainment

7.6

Boarding

8.2

Crew

8.6

Food

7.1

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,899 reviews
Southwest
8.0
Very good
4,275 reviews

Entertainment

7.6

Boarding

8.2

Crew

8.6

Food

7.1

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Avelo Airlines
7.5
Good
Southwest
8.0
Very good
4,275 reviews

Entertainment

7.6

Boarding

8.2

Crew

8.6

Food

7.1

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,615 reviews
Southwest
8.0
Very good
4,275 reviews

Entertainment

7.6

Boarding

8.2

Crew

8.6

Food

7.1

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,275 reviews

Entertainment

7.6

Boarding

8.2

Crew

8.6

Food

7.1

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from San Juan 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 to Chicago round-trip?

    Cheapflights users have booked flights from San Juan to Chicago round-trip from $175. Other airlines that can offer you cheap pricing are Frontier, from $281, and Delta, from $381. Spirit Airlines is 41% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from San Juan to Chicago one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $87. Frontier flights start at $137 while deals on Avelo Airlines start at $172 one-way.

  • What are the most reliable airlines from San Juan to Chicago?

    No one likes to see their flight delayed. When booking a flight from San Juan to Chicago consider choosing Spirit Airlines (95%), Air Canada (94%) or United Airlines (94%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from San Juan to Chicago?

    While on average a flight from San Juan to Chicago is generally $481, our data shows the cheapest flight currently is $135. When looking at the most popular route, (San Juan Luis Munoz Marin Intl - Chicago O'Hare Intl), you can expect to pay $175 for that flight.

  • Can I find deals for flights from San Juan to Chicago that include hotel bookings?

    Yes. In addition to deals on San Juan to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Juan to Chicago?

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

  • Can I find deals for business class flights from San Juan to Chicago?

    Yes. Cheapflights offers flight deals from San Juan 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 to Chicago?

    Currently, August is the cheapest month in which you can book a flight from San Juan to Chicago (average of $245). Flying from San Juan to Chicago in March is currently the most expensive (average of $323). 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?

Book flights to San Juan 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

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Top 6 airlines flying from San Juan to Chicago

Discover the top 6 airlines that operate flights from San Juan 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 April 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$137Average$241FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$139Average$257FlexibilityNo cancel feeOn-time65%
DeltaCheapest$172Average$424FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$214Average$451FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$257Average$420FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$307Average$470FlexibilityNo cancel feeOn-time71%

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