Cheap flights from San Juan Luis Munoz Marin Intl Airport to Illinois from $82
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Juan Luis Munoz Marin Intl Airport to Illinois departing on 7/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Frontier flights from San Juan Luis Munoz Marin Intl Airport to Illinois
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Spirit Airlines flights from San Juan Luis Munoz Marin Intl Airport to Illinois
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How to get the cheapest flight ticket from San Juan Luis Munoz Marin Intl Airport to Illinois
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Illinois?
The cheapest month to fly to Illinois from San Juan Luis Munoz Marin Intl Airport is in January. Flight prices, which tend to average around $232, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of January, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $268.
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from San Juan Luis Munoz Marin Intl Airport to Illinois is on a Friday when prices can be found for as low as $340. Flights from San Juan Luis Munoz Marin Intl Airport to Illinois on a Monday will generally be more expensive and average around $485. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Illinois?
Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from San Juan Luis Munoz Marin Intl Airport to Illinois during this time can be as low as $243. Flights at noon are often more expensive with an average ticket price of $480.
What is the cheapest San Juan Luis Munoz Marin Intl to Illinois flight route?
Fly from San Juan Luis Munoz Marin Intl to Chicago O'Hare Intl for the best San Juan Luis Munoz Marin Intl - Illinois flight prices
How far in advance should I book a flight to Illinois?
You are more likely to see cheaper flights to Illinois from San Juan Luis Munoz Marin Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $311 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from San Juan Luis Munoz Marin Intl Airport for as low as $242 on momondo.
What cabin class options are available on San Juan Luis Munoz Marin Intl to Illinois flights?
There are 4 cabin classes available to choose from on San Juan Luis Munoz Marin Intl to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from San Juan Luis Munoz Marin Intl to Illinois?
Frontier, Spirit Airlines, and United Airlines are the most popular carriers operating from San Juan Luis Munoz Marin Intl to Illinois
What airlines fly to Illinois?
Spirit Airlines, United Airlines and American Airlines are the top three most popular airlines that fly to Illinois from San Juan Luis Munoz Marin Intl Airport according to our data. Spirit Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 6 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.
How many flights depart from San Juan Luis Munoz Marin Intl Airport to Illinois on average per day?
9 flights are operational daily from San Juan Luis Munoz Marin Intl Airport to Illinois as of June 2025. The most popular departure time for this route is 3:00PM, with 55% of flights per day taking off in the afternoon.
How many flights depart from San Juan Luis Munoz Marin Intl Airport to Illinois on average per week?
As of June 2025, 65 flights take off from San Juan Luis Munoz Marin Intl Airport and land in Illinois each week. The most common flight departure day for this route is Tue, with 15% of weekly flights taking off on this day.
Cheap San Juan Luis Munoz Marin Intl Airport to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Juan Luis Munoz Marin Intl Airport to Illinois
When did momondo last update prices for flights from San Juan Luis Munoz Marin Intl Airport to Illinois?
Prices for flights from San Juan Luis Munoz Marin Intl Airport to Illinois are refreshed on a daily basis.
How many operators does momondo search for flights from San Juan Luis Munoz Marin Intl Airport to Illinois?
As of June 2025, there are 6 operators available to choose from for flights from San Juan Luis Munoz Marin Intl Airport to Illinois.
How old do you have to be to fly from San Juan Luis Munoz Marin Intl Airport to Illinois?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Juan Luis Munoz Marin Intl Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from San Juan Luis Munoz Marin Intl Airport to Illinois?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from San Juan Luis Munoz Marin Intl Airport to Illinois is Airbus A321neo (31.03% of total bookings). The next most popular plane models are Boeing 737 MAX 9 (28.60%), Airbus A320neo (16.75%), and Boeing 737-900 (6.94%).
Best airlines flying from San Juan Luis Munoz Marin Intl Airport to Illinois
Compare and see reviews for airlines that fly from San Juan Luis Munoz Marin Intl Airport to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $130 | Free Cancellation | Rating 5.9 3,296 reviews | |||
| PriceFrom $137 | Free Cancellation | Rating 6.3 8,088 reviews | |||
| PriceFrom $172 | Free Cancellation | Rating 8.0 7,963 reviews | |||
| PriceFrom $217 | Free Cancellation | Rating 7.4 8,838 reviews | |||
| PriceFrom $257 | Free Cancellation | Rating 8.0 4,276 reviews | |||
| PriceFrom $329 | Free Cancellation | Rating 7.2 10,000 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from San Juan to Illinois?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Juan to Illinois. momondo saves you time and could save you money on your trip.
Can I find flights from San Juan to Illinois with flexible booking policies on momondo?
Flights from San Juan to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from San Juan to Illinois?
momondo helps you find the best flight between San Juan and Illinois by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from San Juan to Illinois right now. Can momondo alert me if prices change?
Yes. momondo can track prices for San Juan to Illinois flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.