$57+ Cheap flights from San Juan to Illinois
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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from San Juan to Illinois 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.Cheap flight deals from San Juan to Illinois
Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) to Illinois (USIL). 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 November 20, 2024.
Find flight deals from San Juan to Illinois
Cheapest flights from San Juan to IllinoisExplore the most affordable flight options available from San Juan to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.
Explore the most affordable flight options available from San Juan to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.
This eDestinos deal was found by Cheapflights users on 11/19. 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.
This FlightHub deal was found by Cheapflights users on 11/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Cheapflightsfares deal was found by Cheapflights users on 11/19. 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.
This Kiwi.com deal was found by Cheapflights users on 11/20. 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.
This Gotogate deal was found by Cheapflights users on 11/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This eDestinos deal was found by Cheapflights users on 11/20. 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.
This eDestinos deal was found by Cheapflights users on 11/20. 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.
This United Airlines deal was found by Cheapflights users on 11/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Southwest deal was found by Cheapflights users on 11/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This eDestinos deal was found by Cheapflights users on 11/19. 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.
This Delta deal was found by Cheapflights users on 11/19. 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.
This American Airlines deal was found by Cheapflights users on 11/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flights from San Juan to Illinois within your budget
Customize your flight search to find flights from San Juan to Illinois 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 2,629,791 searches. Data last updated November 20, 2024.
Fly from
Fly to
Route
Depart
Return
Price
San JuanSt. Louis
SJU - STL
SJUSTL
San Juan Luis Munoz Marin Intl
Thu 12/5
3:03 pm-11:24 pm
1 stop10h 21m
Lambert-St Louis
Mon 12/9
5:02 pm-7:31 pm
1 stop24h 29m
San JuanChicago
SJU - MDW
SJUMDW
San Juan Luis Munoz Marin Intl
Fri 12/13
1:55 pm-12:20 am
1 stop12h 25m
Chicago Midway
Mon 12/16
7:25 am-1:57 am
1 stop16h 32m
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
Mon 2/3
6:00 am-10:16 pm
1 stop18h 16m
Chicago O'Hare Intl
Mon 2/10
3:16 pm-12:39 am
1 stop7h 23m
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
Fri 12/20
4:43 pm-8:13 pm
Nonstop5h 30m
Chicago O'Hare Intl
Tue 1/7
9:32 am-4:15 pm
Nonstop4h 43m
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
Fri 12/6
2:17 pm-5:47 pm
Nonstop5h 30m
Chicago O'Hare Intl
Mon 12/9
4:58 pm-2:02 am
1 stop7h 04m
San JuanChicago
SJU - MDW
SJUMDW
San Juan Luis Munoz Marin Intl
Thu 1/23
4:50 pm-6:01 pm
1 stop27h 11m
Chicago Midway
Mon 1/27
6:15 am-12:39 am
2 stops16h 24m
San JuanChicago
SJU - MDW
SJUMDW
San Juan Luis Munoz Marin Intl
Thu 1/23
2:55 pm-7:45 pm
1 stop6h 50m
Chicago Midway
Mon 1/27
10:05 am-12:25 am
2 stops12h 20m
San JuanChicago
SJU - ORD
SJUORD
San Juan Luis Munoz Marin Intl
Fri 12/6
8:35 am-11:54 am
Nonstop5h 19m
Chicago O'Hare Intl
Mon 12/9
2:20 pm-8:55 pm
Nonstop4h 35m
San JuanSt. Louis
SJU - STL
SJUSTL
San Juan Luis Munoz Marin Intl
Thu 12/5
5:05 pm-11:24 pm
1 stop8h 19m
Lambert-St Louis
Mon 12/9
11:31 am-12:37 pm
1 stop23h 06m
San JuanSt. Louis
SJU - STL
SJUSTL
San Juan Luis Munoz Marin Intl
Thu 2/6
6:15 am-10:28 pm
1 stop18h 13m
Lambert-St Louis
Tue 2/11
9:36 am-12:04 am
2 stops12h 28m
Best time to book a flight from San Juan to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from San Juan with our price prediction graph.
Travel insights for flights from San Juan to Illinois
Get recent, data-driven insights about flights from San Juan to Illinois including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from San Juan to Illinois?
Currently, September is the cheapest month in which you can book a flight from San Juan to Illinois (average of $232). Flying from San Juan to Illinois in June is currently the most expensive (average of $308). 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 IL?
Find hourly flight availability from San Juan to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.
When flying from San Juan to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from San Juan to Illinois
Explore weekly flight availability from San Juan to Illinois. 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 November 20, 2024.
The most flights from PR1 to USIL are scheduled on a Wednesday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).
Rainfall in Illinois by month
Plan your trip to Illinois by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Illinois 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 Illinois when rainfall is around 1.7 in.
Temperature in Illinois by month
Plan your trip to Illinois by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Illinois, 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 Illinois
Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated November 20, 2024.
Read through reviews of airlines operating flights from San Juan to Illinois, such as United Airlines, Frontier and Spirit Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
Entertainment
Comfort
Food
Boarding
Crew
Reviews
Great service throughout our flight. Easy boarding with early bird check in
Overall
Entertainment
Comfort
Food
Boarding
Crew
Reviews
Great service throughout our flight. Easy boarding with early bird check in
Overall
Entertainment
Comfort
Food
Boarding
Crew
Reviews
Great service throughout our flight. Easy boarding with early bird check in
Overall
Entertainment
Comfort
Food
Boarding
Crew
Reviews
Great service throughout our flight. Easy boarding with early bird check in
Overall
Entertainment
Comfort
Food
Boarding
Crew
Reviews
Great service throughout our flight. Easy boarding with early bird check in
Overall
Entertainment
Comfort
Food
Boarding
Crew
Reviews
Great service throughout our flight. Easy boarding with early bird check in
Related info for your journey
Find useful and relevant information for your journey from San Juan to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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 San Juan to Illinois
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from San Juan to Illinois
Discover the top 6 airlines that operate flights from San Juan to Illinois. 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 2,629,791 searches. Data last updated November 20, 2024.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$120 | Average$372 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$148 | Average$287 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$182 | Average$453 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$202 | Average$469 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$220 | Average$379 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$303 | Average$473 | FlexibilityNo cancel fee | On-time71% |