SJU

$87 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 2/18. 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
$178
Typical prices: $310-$584
Frontier
Tue 2/24Tue 3/3
STL - SJU • 1 stop
Cheapest non-stop
$188
Typical prices: $316-$611
Spirit Airlines
Mon 3/9Fri 3/13
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

Tue, Feb 24 - Tue, Mar 3
Frontier Logo
3:49 pm - 2:53 am
STL
-
SJU
9h 04m
1 stop
Frontier Logo
5:25 pm - 10:27 pm
SJU
-
STL
7h 02m
1 stop
$178Frontier
Thu, Feb 5 - Mon, Feb 9
Frontier Logo
5:42 pm - 10:24 am
STL
-
SJU
14h 42m
1 stop
Frontier Logo
3:53 am - 10:27 pm
SJU
-
STL
20h 34m
1 stop
$179Frontier
Mon, Feb 23 - Tue, Mar 3
Multiple Airlines Logo
3:50 pm - 12:43 am
ORD
-
SJU
6h 53m
1 stop
Multiple Airlines Logo
12:32 pm - 3:48 pm
SJU
-
ORD
5h 16mnonstop
$185Multiple Airlines
Sat, Feb 7 - Sat, Feb 14
Multiple Airlines Logo
9:25 am - 11:59 pm
ORD
-
SJU
12h 34m
1 stop
Multiple Airlines Logo
12:32 pm - 3:48 pm
SJU
-
ORD
5h 16mnonstop
$186Multiple Airlines
Mon, Feb 9 - Thu, Feb 12
Spirit Airlines Logo
12:17 pm - 6:49 pm
ORD
-
SJU
4h 32mnonstop
Spirit Airlines Logo
12:32 pm - 3:48 pm
SJU
-
ORD
5h 16mnonstop
$188Spirit Airlines
Wed, Apr 1 - Wed, Apr 15
Spirit Airlines Logo
7:26 pm - 12:59 am
ORD
-
SJU
4h 33mnonstop
Spirit Airlines Logo
12:22 pm - 4:37 pm
SJU
-
ORD
5h 15mnonstop
$189Spirit Airlines
Tue, Apr 14 - Wed, Apr 15
JetBlue Logo
6:00 am - 4:47 pm
ORD
-
SJU
9h 47m
1 stop
JetBlue Logo
11:59 pm - 7:41 am
SJU
-
ORD
8h 42m
1 stop
$191JetBlue
Fri, Feb 27 - Wed, Mar 4
JetBlue Logo
12:41 pm - 12:29 am
ORD
-
SJU
9h 48m
1 stop
JetBlue Logo
5:10 am - 12:04 pm
SJU
-
ORD
8h 54m
1 stop
$192JetBlue
Mon, Feb 23 - Thu, Feb 26
American Airlines Logo
8:04 pm - 1:33 pm
MLI
-
SJU
15h 29m
2 stops
American Airlines Logo
6:33 am - 6:32 pm
SJU
-
MLI
13h 59m
1 stop
$256American Airlines
Wed, Feb 25 - Thu, Feb 26
American Airlines Logo
2:02 pm - 5:24 am
MLI
-
SJU
13h 22m
1 stop
American Airlines Logo
8:40 am - 6:32 pm
SJU
-
MLI
11h 52m
2 stops
$319American Airlines
Useful Info

Good to know

Low seasonSeptember
Cheapest flight$87
Best time to beat the crowds with an average 3% drop in price.
Most popular time to fly with an average 30% 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)