SJU

$92 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 4/8. 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
1 adult, Economy, 0 bags

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Flight Deals

Cheap Flights 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.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Illinois to San Juan

Sun, Apr 19 - Sat, May 2
Frontier Logo
3:08 pm - 2:27 pm
ORD
-
SJU
22h 19m
1 stop
Frontier Logo
1:59 am - 8:03 pm
SJU
-
ORD
19h 04m
1 stop
$183Frontier
Thu, May 14 - Thu, May 21
Frontier Logo
5:16 pm - 12:53 am
ORD
-
SJU
6h 37m
1 stop
Frontier Logo
8:10 pm - 12:25 am
SJU
-
ORD
5h 15mnonstop
$184Frontier
Tue, Mar 3 - Wed, Mar 4
Spirit Airlines Logo
10:44 am - 11:09 pm
ORD
-
SJU
10h 25m
1 stop
Spirit Airlines Logo
5:45 pm - 12:40 am
SJU
-
ORD
8h 55m
1 stop
$188Spirit Airlines
Mon, Mar 2 - Thu, Mar 5
Spirit Airlines Logo
8:16 pm - 3:31 pm
ORD
-
SJU
17h 15m
1 stop
Spirit Airlines Logo
11:52 am - 6:18 pm
SJU
-
ORD
8h 26m
1 stop
$189Spirit Airlines
Mon, Mar 2 - Wed, Mar 11
Multiple Airlines Logo
12:17 pm - 6:49 pm
ORD
-
SJU
4h 32mnonstop
Multiple Airlines Logo
6:30 am - 3:38 pm
SJU
-
ORD
10h 08m
1 stop
$190Multiple Airlines
Tue, Mar 3 - Wed, Mar 11
Multiple Airlines Logo
12:17 pm - 6:49 pm
ORD
-
SJU
4h 32mnonstop
Multiple Airlines Logo
6:30 am - 3:38 pm
SJU
-
ORD
10h 08m
1 stop
$191Multiple Airlines
Sat, May 9 - Wed, May 13
American Airlines Logo
6:29 am - 10:05 pm
STL
-
SJU
14h 36m
1 stop
American Airlines Logo
7:00 pm - 10:16 am
SJU
-
STL
16h 16m
1 stop
$202American Airlines
Wed, Apr 8 - Fri, Apr 24
Delta Logo
6:00 am - 4:18 pm
STL
-
SJU
9h 18m
1 stop
Delta Logo
5:34 pm - 11:36 pm
SJU
-
STL
7h 02m
1 stop
$216Delta
Mon, Mar 30 - Wed, Apr 8
Delta Logo
4:21 pm - 11:15 pm
STL
-
SJU
5h 54m
1 stop
Delta Logo
6:15 am - 4:16 pm
SJU
-
STL
11h 01m
1 stop
$236Delta
Sat, Apr 11 - Tue, Apr 14
American Airlines Logo
6:40 pm - 10:48 am
MLI
-
SJU
15h 08m
2 stops
American Airlines Logo
5:45 am - 6:07 pm
SJU
-
MLI
13h 22m
2 stops
$299American Airlines
Useful Info

Good to know

Low seasonSeptember
Cheapest flight$92
Best time to beat the crowds with an average 6% drop in price.
Most popular time to fly with an average 29% 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.

Traveling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Rio Grande
Caguas

Everything you need to know for your flight to San Juan

Information on your arrival and departure airports

San Juan (SJU)