SJU

$82 Find Cheap Flights from Illinois to San Juan

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to San Juan departing on 5/17. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult

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Flights Deals

Cheap Flight Deals from Illinois to San Juan

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to San Juan that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Illinois to San Juan

KAYAK's recommended round-trip deals from the most popular airlines that fly from Illinois to San Juan.
Discover the best prices for you by selecting your travel dates on KAYAK.
Spirit Airlines Logo
11:30 am - 5:16 pmORD-SJU
4h 46mnonstop
Spirit Airlines Logo
8:12 pm - 8:50 amSJU-ORD
13h 38m1 stop
$184Spirit Airlines
Find Deal
Sun, May 25 - Thu, May 29
Spirit Airlines Logo
8:17 am - 8:02 pmORD-SJU
10h 45m1 stop
Spirit Airlines Logo
8:12 pm - 8:50 amSJU-ORD
13h 38m1 stop
$186Spirit Airlines
Find Deal
Sun, Jun 1 - Fri, Jun 6
Delta Logo
10:10 am - 10:23 pmSTL-SJU
11h 13m1 stop
Delta Logo
6:15 am - 4:18 pmSJU-STL
11h 03m1 stop
$209Delta
Find Deal
Sat, Jul 12 - Tue, Jul 15
American Airlines Logo
6:20 pm - 11:04 amSTL-SJU
15h 44m1 stop
American Airlines Logo
5:25 am - 8:58 pmSJU-STL
16h 33m1 stop
$244American Airlines
Find Deal
Sat, May 24 - Tue, May 27
Delta Logo
6:00 am - 3:05 pmSTL-SJU
8h 05m1 stop
Delta Logo
6:15 am - 12:04 pmSJU-STL
6h 49m1 stop
$245Delta
Find Deal
Sun, May 25 - Wed, May 28
Logo
4:35 pm - 12:54 amORD-SJU
7h 19m1 stop
Logo
6:00 pm - 8:22 amSJU-ORD
15h 22m1 stop
$248
Find Deal
Sat, May 17 - Wed, May 21
United Airlines Logo
3:47 pm - 11:54 pmMLI-SJU
7h 07m1 stop
United Airlines Logo
7:45 am - 4:47 pmSJU-MLI
10h 02m1 stop
$270United Airlines
Find Deal
Tue, May 27 - Tue, Jun 3
Logo
11:30 am - 5:16 pmORD-SJU
4h 46mnonstop
Logo
3:40 am - 12:36 amSJU-ORD
21h 56m1 stop
$273
Find Deal
Tue, May 27 - Mon, Jun 2
United Airlines Logo
5:00 am - 2:44 pmSTL-SJU
8h 44m1 stop
United Airlines Logo
3:56 pm - 10:45 pmSJU-STL
7h 49m1 stop
$274United Airlines
Find Deal
Tue, May 27 - Tue, Jun 3
American Airlines Logo
6:00 am - 10:55 pmSTL-SJU
15h 55m1 stop
American Airlines Logo
3:50 pm - 10:59 pmSJU-STL
8h 09m1 stop
$300American Airlines
Find Deal
Thu, Aug 14 - Tue, Aug 19
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Good to know

Low seasonSeptember
High seasonDecember
Cheapest flight$82
Best time to beat the crowds with an average 14% drop in price.
Most popular time to fly with an average 37% increase in price.
Flight from Chicago O'Hare Airport to San Juan

FAQs for booking Illinois to San Juan flights

  • How does KAYAK find such low prices on flights from Illinois to San Juan?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to San Juan.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to San Juan?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Juan from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Illinois to San Juan?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Juan with an airline and back to Illinois with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to San Juan?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Juan from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to San Juan

Information on your arrival and departure airports

San Juan (SJU)

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