$96+ Cheap flights from Illinois to Luis Munoz Marin Intl (SJU)
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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Illinois to Luis Munoz Marin Intl 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 Illinois to Luis Munoz Marin Intl
Keep the following information in mind while searching for Illinois to Luis Munoz Marin Intl flight deals. Data was last updated June 12, 2025.
Round-trip from | $197 (Priceline) |
|---|---|
One-way from | $96 (Booking.com) |
Popular in | December |
Cheapest in | September |
Average price | $417 |
Good round-trip deal | $298 or less |
Good one-way deal | $150 or less |
Find flight deals from Illinois to Luis Munoz Marin Intl
Cheapest flights from Illinois to Luis Munoz Marin IntlExplore the most affordable flight options available from Illinois to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
Explore the most affordable flight options available from Illinois to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
This Priceline deal was found by Cheapflights users on 6/10. 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 Priceline 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 6/10. 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 Priceline deal was found by Cheapflights users on 6/10. 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 Priceline 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 6/11. 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 Delta deal was found by Cheapflights users on 6/10. 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 Priceline deal was found by Cheapflights users on 6/11. 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 Priceline 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 6/10. 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 Priceline deal was found by Cheapflights users on 6/9. 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 Priceline 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 6/9. 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 Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This JetBlue deal was found by Cheapflights users on 6/10. 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 JetBlue 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 6/10. 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.
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Luis Munoz Marin Intl 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 June 12, 2025.
Use the filters below to find and compare flights from Illinois to San Juan Luis Munoz Marin Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
St. LouisSan Juan
STL - SJU
STLSJU
Lambert-St Louis
Thu 10/9
2:22 pm-11:54 pm
1 stop8h 32m
San Juan Luis Munoz Marin Intl
Sat 10/11
3:40 am-1:27 pm
1 stop10h 47m
ChicagoSan Juan
ORD - SJU
ORDSJU
Chicago O'Hare Intl
Mon 8/18
7:45 am-4:43 pm
1 stop7h 58m
San Juan Luis Munoz Marin Intl
Thu 8/21
3:21 pm-11:54 pm
1 stop9h 33m
ChicagoSan Juan
MDW - SJU
MDWSJU
Chicago Midway
Fri 8/29
2:05 pm-11:54 pm
1 stop8h 49m
San Juan Luis Munoz Marin Intl
Fri 9/5
4:42 pm-11:56 am
1 stop20h 14m
ChicagoSan Juan
ORD - SJU
ORDSJU
Chicago O'Hare Intl
Tue 7/8
10:43 am-12:05 am
1 stop12h 22m
San Juan Luis Munoz Marin Intl
Tue 7/15
4:43 pm-7:04 am
1 stop15h 21m
St. LouisSan Juan
STL - SJU
STLSJU
Lambert-St Louis
Tue 12/9
11:51 am-11:17 pm
1 stop9h 26m
San Juan Luis Munoz Marin Intl
Fri 12/12
3:25 pm-8:35 pm
1 stop7h 10m
ChicagoSan Juan
ORD - SJU
ORDSJU
Chicago O'Hare Intl
Sat 7/12
12:20 pm-12:27 am
1 stop11h 07m
San Juan Luis Munoz Marin Intl
Tue 7/22
4:43 pm-7:04 am
1 stop15h 21m
PeoriaSan Juan
PIA - SJU
PIASJU
Greater Peoria
Sat 10/18
4:38 pm-11:15 am
2 stops17h 37m
San Juan Luis Munoz Marin Intl
Sat 10/25
5:27 pm-9:40 am
2 stops17h 13m
St. LouisSan Juan
STL - SJU
STLSJU
Lambert-St Louis
Mon 9/1
8:44 am-4:46 pm
1 stop7h 02m
San Juan Luis Munoz Marin Intl
Thu 9/4
3:40 am-1:17 pm
1 stop10h 37m
St. LouisSan Juan
STL - SJU
STLSJU
Lambert-St Louis
Sun 8/31
6:00 am-10:49 pm
1 stop15h 49m
San Juan Luis Munoz Marin Intl
Sat 9/6
4:45 pm-8:05 am
1 stop16h 20m
St. LouisSan Juan
STL - SJU
STLSJU
Lambert-St Louis
Fri 7/25
10:47 am-11:32 am
1 stop23h 45m
San Juan Luis Munoz Marin Intl
Wed 7/30
1:37 am-9:52 am
1 stop9h 15m
Best time to book a flight from Illinois to Luis Munoz Marin Intl
Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Illinois with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Illinois to San Juan Luis Munoz Marin Intl Airport
What is the cheapest month to book a flight from Illinois to San Juan Luis Munoz Marin Intl Airport?
Currently, September is the cheapest month in which you can book a flight from Illinois to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Illinois to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). 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 Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.
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 Luis Munoz Marin Intl Airport as you normally would.
Weekly flight availability from Illinois to San Juan Luis Munoz Marin Intl Airport
Explore weekly flight availability from Illinois to Luis Munoz Marin Intl. 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 June 12, 2025.
The most flights from USIL to SJU are scheduled on a Monday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).
Rainfall in Luis Munoz Marin Intl by month
Plan your trip to Luis Munoz Marin Intl by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in San Juan Luis Munoz Marin Intl Airport 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 Luis Munoz Marin Intl Airport when rainfall is around 2.2 in.
Temperature in Luis Munoz Marin Intl by month
Plan your trip to Luis Munoz Marin Intl by taking into account the average temperature totals by month.
If weather is an important factor for your trip to San Juan Luis Munoz Marin Intl Airport, 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 Luis Munoz Marin Intl
Get insights into the airlines that provide service to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl. Reviews last updated June 12, 2025.
See what other customers who have flown with Southwest, Delta and United Airlines from Illinois to San Juan have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
John,May 2025
PVD - BNA
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
John,May 2025
PVD - BNA
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
John,May 2025
PVD - BNA
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
John,May 2025
PVD - BNA
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
John,May 2025
PVD - BNA
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
John,May 2025
PVD - BNA
Related info for your journey
Find useful and relevant information for your journey from Illinois to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl
See prices for flight routes from nearby airports that may be better suited for you.
Top 7 airlines flying from Illinois to Luis Munoz Marin Intl
Discover the top 7 airlines that operate flights from Illinois to Luis Munoz Marin Intl. 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 June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$106 | Average$253 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$140 | Average$292 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$194 | Average$575 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$216 | Average$413 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$271 | Average$483 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$287 | Average$411 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$354 | Average$487 | FlexibilityNo cancel fee | On-time63% |