Cheap flights from Chicago O'Hare Intl Airport to San Juan from $93
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to San Juan departing on 6/25. 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 Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport
Our best Frontier deals on Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport flight tickets
Spirit Airlines flights from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport
Our best Spirit Airlines deals on Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport flight tickets
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How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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 $324.
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 Chicago O'Hare Intl Airport is on a Monday. momondo users have found tickets for Monday departures for as low as $386. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Chicago O'Hare Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $444.
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 $435.
What is the cheapest Chicago O'Hare Intl 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 Chicago O'Hare Intl - 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 Chicago O'Hare Intl Airport when booking 7 weeks ahead of your departure date. In general, you can expect to find flights to San Juan Luis Munoz Marin Intl Airport for around $373 when searching 7 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 Chicago O'Hare Intl Airport for as low as $300 on momondo.
What cabin class options are available on Chicago O'Hare Intl to San Juan Luis Munoz Marin Intl flights?
There are 4 cabin classes available to choose from on Chicago O'Hare Intl 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.
Can stopping save me money on Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport flights?
You could potentially save up to 5% on your flight if you consider stops on a Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport flight.
How have Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport flight prices changed over time?
As of June 2025, prices for Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport flights are approximately 8% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Chicago O'Hare Intl to San Juan Luis Munoz Marin Intl?
Frontier, Spirit Airlines, and United Airlines are the most popular carriers operating from Chicago O'Hare Intl 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 Chicago O'Hare Intl Airport according to our data. Spirit Airlines is the first choice among our users, with 51% 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 Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport on average per day?
As of June 2025, 9 flights take off from Chicago O'Hare Intl Airport and land in San Juan Luis Munoz Marin Intl Airport each day. The most common flight departure time for this route is 8:00AM, with 65% of daily flights taking off at noon.
How many flights depart from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport on average per week?
63 flights are operational weekly from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport as of June 2025. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.
When to book flights from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport
Cheap Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport (ORD to SJU) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport
How far is Chicago O'Hare Intl to San Juan Luis Munoz Marin Intl by plane?
The distance between Chicago O'Hare Intl and San Juan Luis Munoz Marin Intl is about 2072.5 mi. 4h 43m is a normal flight duration for this route.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport?
Prices for flights from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport refresh daily.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport?
As of June 2025, there are 7 operators available to choose from for flights from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport.
How old do you have to be to fly from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport 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 travel and health documents required for your trip to San Juan Luis Munoz Marin Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Juan Luis Munoz Marin Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport?
Based on momondo bookings for flights between Chicago O'Hare Intl Airport and San Juan Luis Munoz Marin Intl Airport, the leading plane model is Boeing 737 MAX 9, making up 24.83% of the total bookings. Other popular models include Airbus A321neo with 23.89%, Airbus A320neo with 18.82%, and Boeing 737-800 with 18.06%.
What is the most popular airline from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport?
Based on momondo bookings for flights between Chicago O'Hare Intl Airport and San Juan Luis Munoz Marin Intl Airport, the leading airline is Spirit Airlines, making up 49% of the total bookings. Other popular airlines include United Airlines with 25%, American Airlines with 19%, and Frontier with 2%.
Best airlines flying from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport
Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $106 | Free Cancellation | Rating 5.9 3,294 reviews | |||
| PriceFrom $140 | Free Cancellation | Rating 6.3 8,062 reviews | |||
| PriceFrom $216 | Free Cancellation | Rating 8.0 7,963 reviews | |||
| PriceFrom $270 | Free Cancellation | Rating 7.4 8,798 reviews | |||
| PriceFrom $287 | Free Cancellation | Rating 7.3 2,922 reviews | |||
| PriceFrom $338 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $385 | Free Cancellation | Rating 8.0 4,285 reviews |
United Airlines Flights From Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport
United Airlines flies from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport around 14 times per week, with 8,798 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport in the last 72 hours was $270 (round-trip), much lower than the average airfare cost of $523 for United Airlines flights on this route.
American Airlines Flights From Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport
American Airlines (7.2/10 from 10,000 reviews) operates around 7 flights from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport in any given week. The average American Airlines airfare for this route is around $513, with deals from around $338 rare but found on momondo. Referenced prices are for round-trip Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport flight searches in the last 72 hours.
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Why should I use momondo to find a flight deal from Chicago to San Juan?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Juan from Chicago.
Can I find flights from Chicago to San Juan with flexible booking policies on momondo?
Flights from Chicago 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 Chicago to San Juan?
momondo helps you find the best flight between Chicago and San Juan 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 Chicago to San Juan right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Chicago to San Juan 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.