$63+ Cheap flights from Illinois to San Juan
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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Illinois to San Juan 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
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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 Illinois to San Juan
Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to San Juan (PR1). 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 21, 2024.
Find flight deals from Illinois to San Juan
Cheapest flights from Illinois to San JuanExplore the most affordable flight options available from Illinois to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.
Explore the most affordable flight options available from Illinois to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.
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 Trip.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 Trip.com 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 11/21. 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 Justfly.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 Justfly.com 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 Booking.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 Booking.com 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 Delta 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 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 11/21. 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.
This Southwest 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 Southwest 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 11/21. 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 CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flights from Illinois to San Juan within your budget
Customize your flight search to find flights from Illinois to San Juan 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 21, 2024.
Fly from
Fly to
Route
Depart
Return
Price
ChicagoSan Juan
ORD - SJU
ORDSJU
Chicago O'Hare Intl
Sat 12/7
1:00 pm-7:36 pm
Nonstop4h 36m
San Juan Luis Munoz Marin Intl
Thu 12/12
2:17 pm-5:47 pm
Nonstop5h 30m
ChicagoSan Juan
ORD - SJU
ORDSJU
Chicago O'Hare Intl
Wed 1/8
8:14 pm-11:18 am
1 stop13h 04m
San Juan Luis Munoz Marin Intl
Wed 1/15
4:49 pm-1:50 pm
1 stop23h 01m
ChicagoSan Juan
MDW - SJU
MDWSJU
Chicago Midway
Mon 12/16
7:25 am-1:57 am
1 stop16h 32m
San Juan Luis Munoz Marin Intl
Fri 12/20
6:00 am-1:06 pm
1 stop9h 06m
ChicagoSan Juan
ORD - SJU
ORDSJU
Chicago O'Hare Intl
Sun 12/8
9:35 am-1:54 pm
1 stop26h 19m
San Juan Luis Munoz Marin Intl
Thu 12/12
5:05 pm-9:54 am
1 stop18h 49m
ChicagoSan Juan
MDW - SJU
MDWSJU
Chicago Midway
Sun 2/2
1:20 pm-12:50 am
2 stops9h 30m
San Juan Luis Munoz Marin Intl
Wed 2/5
2:55 pm-7:45 pm
1 stop6h 50m
ChicagoSan Juan
MDW - SJU
MDWSJU
Chicago Midway
Thu 1/9
3:04 pm-6:02 pm
1 stop24h 58m
San Juan Luis Munoz Marin Intl
Sat 1/25
8:00 am-11:29 pm
2 stops17h 29m
St. LouisSan Juan
STL - SJU
STLSJU
Lambert-St Louis
Mon 2/10
5:05 pm-11:30 am
1 stop16h 25m
San Juan Luis Munoz Marin Intl
Sat 2/22
6:05 pm-7:07 am
2 stops15h 02m
St. LouisSan Juan
STL - SJU
STLSJU
Lambert-St Louis
Tue 1/21
11:09 am-11:45 pm
1 stop10h 36m
San Juan Luis Munoz Marin Intl
Fri 1/31
3:23 pm-8:56 pm
1 stop7h 33m
St. LouisSan Juan
STL - SJU
STLSJU
Lambert-St Louis
Mon 1/20
5:05 pm-2:19 am
1 stop7h 14m
San Juan Luis Munoz Marin Intl
Tue 1/28
12:12 pm-11:31 pm
1 stop13h 19m
BloomingtonSan Juan
BMI - SJU
BMISJU
Bloomington-Normal
Sat 2/8
3:27 pm-11:45 am
2 stops18h 18m
San Juan Luis Munoz Marin Intl
Thu 2/13
3:50 pm-9:57 pm
1 stop8h 07m
Best time to book a flight from Illinois to San Juan
Have a flexible travel schedule? Discover the best time to fly to San Juan from Illinois with our price prediction graph.
Travel insights for flights from Illinois to San Juan
Get recent, data-driven insights about flights from Illinois to San Juan including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from Illinois to San Juan?
Currently, September is the cheapest month in which you can book a flight from Illinois to San Juan (average of $254). Flying from Illinois to San Juan in March is currently the most expensive (average of $335). 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 IL to SJU?
Find hourly flight availability from Illinois to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to San Juan as you normally would.
Weekly flight availability from Illinois to San Juan
Explore weekly flight availability from Illinois to San Juan. 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 21, 2024.
The most flights from USIL to PR1 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 San Juan by month
Plan your trip to San Juan by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in San Juan 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 when rainfall is around 2.2 in.
Temperature in San Juan by month
Plan your trip to San Juan by taking into account the average temperature totals by month.
If weather is an important factor for your trip to San Juan, 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 San Juan
Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated November 21, 2024.
See what other customers who have flown with Spirit Airlines, Frontier and Southwest from Illinois to San Juan have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
Comfort
Crew
Entertainment
Food
Boarding
Reviews
Great service throughout our flight. Easy boarding with early bird check in
Overall
Comfort
Crew
Entertainment
Food
Boarding
Reviews
Great service throughout our flight. Easy boarding with early bird check in
Overall
Comfort
Crew
Entertainment
Food
Boarding
Reviews
Great service throughout our flight. Easy boarding with early bird check in
Overall
Comfort
Crew
Entertainment
Food
Boarding
Reviews
Great service throughout our flight. Easy boarding with early bird check in
Overall
Comfort
Crew
Entertainment
Food
Boarding
Reviews
Great service throughout our flight. Easy boarding with early bird check in
Overall
Comfort
Crew
Entertainment
Food
Boarding
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 Illinois to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Illinois to San Juan
See prices for flight routes from nearby airports that may be better suited for you.
Top 7 airlines flying from Illinois to San Juan
Discover the top 7 airlines that operate flights from Illinois to San Juan. 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 21, 2024.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$119 | Average$282 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$137 | Average$406 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$162 | Average$278 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$194 | Average$644 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$267 | Average$518 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$275 | Average$452 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$319 | Average$536 | FlexibilityNo cancel fee | On-timeN/A |