SJU

$90 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 2/7. 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

KAYAK searches hundreds of travel sites at once for deals on flights to San Juan Luis Munoz Marin Intl Airport

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Everything you should know

Cheapest round-trip
$180
Typical prices: $285-$601
Frontier
Sat 1/24Tue 1/27
STL - SJU • 1 stop
Cheapest non-stop
$207
Typical prices: $228-$528
Spirit Airlines
Mon 1/12Thu 1/29
ORD - SJU • Non-stop
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to San Juan!
Flight Deals
Useful Info
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

Sat, Jan 24 - Tue, Jan 27
Frontier Logo
12:12 pm - 11:59 pm
STL
-
SJU
9h 47m1 stop
Frontier Logo
4:36 pm - 11:33 pm
SJU
-
STL
8h 57m1 stop
$180Frontier
Wed, Jan 21 - Mon, Jan 26
Frontier Logo
5:42 pm - 11:59 pm
STL
-
SJU
28h 17m1 stop
Frontier Logo
8:00 am - 11:33 pm
SJU
-
STL
17h 33m1 stop
$181Frontier
Fri, Jan 23 - Tue, Jan 27
Multiple Airlines Logo
9:15 am - 7:26 pm
ORD
-
SJU
8h 11m1 stop
Multiple Airlines Logo
1:22 pm - 4:37 pm
SJU
-
ORD
5h 15mnonstop
$206Multiple Airlines
Mon, Jan 12 - Thu, Jan 29
Spirit Airlines Logo
12:17 pm - 6:49 pm
ORD
-
SJU
4h 32mnonstop
Spirit Airlines Logo
1:22 pm - 4:37 pm
SJU
-
ORD
5h 15mnonstop
$207Spirit Airlines
Thu, Feb 19 - Tue, Feb 24
Spirit Airlines Logo
12:22 pm - 6:54 pm
ORD
-
SJU
4h 32mnonstop
Spirit Airlines Logo
4:36 pm - 12:18 am
SJU
-
ORD
9h 42m1 stop
$209Spirit Airlines
Fri, Feb 6 - Sat, Feb 14
JetBlue Logo
7:45 am - 6:02 pm
ORD
-
SJU
8h 17m1 stop
JetBlue Logo
5:22 pm - 11:10 pm
SJU
-
ORD
7h 48m1 stop
$211JetBlue
Wed, May 27 - Tue, Jun 9
JetBlue Logo
10:35 am - 8:03 pm
ORD
-
SJU
8h 28m1 stop
JetBlue Logo
3:30 am - 2:20 pm
SJU
-
ORD
11h 50m1 stop
$214JetBlue
Wed, Jan 28 - Thu, Jan 29
Southwest Logo
3:15 pm - 12:35 am
MDW
-
SJU
7h 20m1 stop
Southwest Logo
5:40 am - 12:30 pm
SJU
-
MDW
8h 50m2 stops
$220Southwest
Sun, Jan 25 - Thu, Jan 29
Southwest Logo
3:15 pm - 12:40 am
MDW
-
SJU
7h 25m1 stop
Southwest Logo
5:40 am - 12:30 pm
SJU
-
MDW
8h 50m2 stops
$225Southwest
Thu, Jan 8 - Sun, Jan 11
Multiple Airlines Logo
7:10 pm - 8:54 am
EVV
-
SJU
11h 44m1 stop
Multiple Airlines Logo
8:05 pm - 7:06 pm
SJU
-
EVV
25h 01m1 stop
$316Multiple Airlines
Useful Info

Good to know

Low seasonSeptember
Cheapest flight$90
Best time to beat the crowds with an average 2% drop in price.
Most popular time to fly with an average 26% increase in price.
Flight from St. Louis 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)