Cheap flights from Illinois to San Juan from $86
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to San Juan departing on 5/27. 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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Spirit Airlines flights from Illinois to San Juan Luis Munoz Marin Intl Airport
Our best Spirit Airlines deals on Illinois to San Juan Luis Munoz Marin Intl Airport flight tickets
Frontier flights from Illinois to San Juan Luis Munoz Marin Intl Airport
Our best Frontier deals on Illinois to San Juan Luis Munoz Marin Intl Airport flight tickets
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How to get the cheapest flight ticket from Illinois to San Juan Luis Munoz Marin Intl Airport
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 San Juan Luis Munoz Marin Intl Airport?
If you aren’t able to travel to San Juan Luis Munoz Marin Intl Airport during the month of August, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $309.
What is the cheapest day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?
On average, the least expensive day to fly to San Juan Luis Munoz Marin Intl Airport from Illinois is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $365. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Thursday is the most expensive day to depart from Illinois because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $421.
What is the cheapest time of day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?
The cheapest time of day to fly to San Juan Luis Munoz Marin Intl Airport is in the evening when flights can be purchased for as low as $300. Flights in the morning are often more expensive with an average ticket price of $422.
What is the cheapest Illinois to San Juan Luis Munoz Marin Intl flight route?
Fly from Chicago O'Hare Intl to San Juan Luis Munoz Marin Intl for the best Illinois - San Juan Luis Munoz Marin Intl flight prices
How far in advance should I book a flight to San Juan Luis Munoz Marin Intl Airport?
You are more likely to see cheaper flights to San Juan Luis Munoz Marin Intl Airport from Illinois when booking 5 weeks ahead of your departure date. In general, you can expect to find flights to San Juan Luis Munoz Marin Intl Airport for around $368 when searching 5 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan Luis Munoz Marin Intl Airport from Illinois for as low as $292 on momondo.
What cabin class options are available on Illinois to San Juan Luis Munoz Marin Intl flights?
There are 4 cabin classes available to choose from on Illinois to San Juan Luis Munoz Marin Intl 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 Illinois to San Juan Luis Munoz Marin Intl?
Spirit Airlines, Delta, and Frontier are the most popular carriers operating from Illinois to San Juan Luis Munoz Marin Intl
What airlines fly to San Juan Luis Munoz Marin Intl Airport?
Spirit Airlines, United Airlines and American Airlines are the top three most popular airlines that fly to San Juan Luis Munoz Marin Intl Airport from Illinois according to our data. Spirit Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to San Juan Luis Munoz Marin Intl Airport. Keep in mind that there are 7 different airlines that fly to San Juan Luis Munoz Marin Intl Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Illinois to San Juan Luis Munoz Marin Intl Airport on average per day?
7 flights are operational daily from Illinois to San Juan Luis Munoz Marin Intl Airport as of May 2025. The most popular departure time for this route is 8:00AM, with 61% of flights per day taking off at noon.
How many flights depart from Illinois to San Juan Luis Munoz Marin Intl Airport on average per week?
As of May 2025, there are 52 flights per week flying from Illinois to San Juan Luis Munoz Marin Intl Airport. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.
Cheap Illinois to San Juan Luis Munoz Marin Intl Airport flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to San Juan Luis Munoz Marin Intl Airport
When did momondo last update prices for flights from Illinois to San Juan Luis Munoz Marin Intl Airport?
Prices for flights from Illinois to San Juan Luis Munoz Marin Intl Airport refresh daily.
How many operators does momondo search for flights from Illinois to San Juan Luis Munoz Marin Intl Airport?
As of May 2025, there are 7 operators available to choose from for flights from Illinois to San Juan Luis Munoz Marin Intl Airport.
How old do you have to be to fly from Illinois to San Juan Luis Munoz Marin Intl Airport?
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 Illinois to San Juan Luis Munoz Marin Intl Airport.
What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?
The required travel and health documents for your San Juan Luis Munoz Marin Intl Airport 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 San Juan Luis Munoz Marin Intl Airport. 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 Illinois to San Juan Luis Munoz Marin Intl Airport?
momondo data reveals that the most frequently booked plane model on the route from Illinois to San Juan Luis Munoz Marin Intl Airport is Airbus A320neo, representing 28.00% of all bookings. The subsequent popular models are Boeing 737 MAX 9 at 26.10%, Boeing 737-900 at 15.86%, and Boeing 737-800 at 14.23%.
Best airlines flying from Illinois to San Juan Luis Munoz Marin Intl Airport
Compare and see reviews for airlines that fly from Illinois to San Juan Luis Munoz Marin Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $124 | Free Cancellation | Rating 5.9 3,289 reviews | |||
| PriceFrom $141 | Free Cancellation | Rating 6.3 7,974 reviews | |||
| PriceFrom $194 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $216 | Free Cancellation | Rating 8.0 7,944 reviews | |||
| PriceFrom $274 | Free Cancellation | Rating 7.4 8,710 reviews | |||
| PriceFrom $293 | Free Cancellation | Rating 7.3 2,922 reviews | |||
| PriceFrom $345 | Free Cancellation | Rating 8.0 4,293 reviews |
Traveling to a place near San Juan?
Book flights to San Juan if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Illinois to San Juan?
It is quick and easy to find Illinois to San Juan flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Juan that suits you.
Can I find flights from Illinois to San Juan with flexible booking policies on momondo?
Flights from Illinois to San Juan 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 Illinois to San Juan?
Once all potential Illinois to San Juan flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Illinois to San Juan right now. Can momondo alert me if prices change?
If you are simply researching potential flights to San Juan, momondo offers a useful price alert feature which will track prices for flights to San Juan from Illinois and alert you when they change.