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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

$94 CHEAP FLIGHTS from Illinois to San Juan (SJU)

SJU

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

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Flight Deals

Cheap Flights from Illinois to San Juan

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

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Illinois to San Juan

Mon, May 4 - Fri, May 8

7:50 am - 2:06 am

ORD

SJU

17h 16m

1 stop

12:57 pm - 12:24 am

SJU

ORD

12h 27m

1 stop

$188Spirit Airlines

Mon, May 11 - Sun, May 17

5:05 am - 7:22 pm

ORD

SJU

13h 17m

1 stop

3:21 am - 1:05 pm

SJU

ORD

10h 44m

1 stop

$189Spirit Airlines

Tue, Aug 18 - Tue, Aug 25

12:59 am - 6:56 am

ORD

SJU

4h 57mnonstop

8:10 pm - 12:25 am

SJU

ORD

5h 15mnonstop

$190Frontier

Mon, May 4 - Thu, May 7

7:50 am - 2:06 am

ORD

SJU

17h 16m

1 stop

3:21 am - 1:05 pm

SJU

ORD

10h 44m

1 stop

$193Spirit Airlines

Tue, Aug 18 - Wed, Aug 26

12:59 am - 6:56 am

ORD

SJU

4h 57mnonstop

8:10 pm - 12:25 am

SJU

ORD

5h 15mnonstop

$195Frontier

Sun, Apr 19 - Sat, Apr 25

7:15 pm - 12:33 pm

ORD

SJU

16h 18m

1 stop

11:30 am - 11:59 pm

SJU

ORD

13h 29m

1 stop

$197Multiple Airlines

Mon, Apr 13 - Fri, Apr 17

7:17 am - 6:55 pm

ORD

SJU

10h 38m

1 stop

6:00 am - 10:54 pm

SJU

ORD

17h 54m

1 stop

$198Multiple Airlines

Sun, Apr 26 - Thu, Apr 30

6:29 am - 2:29 pm

STL

SJU

7h 00m

1 stop

1:31 pm - 10:24 pm

SJU

STL

9h 53m

1 stop

$222American Airlines

Sat, May 9 - Wed, May 13

5:40 am - 1:20 pm

STL

SJU

6h 40m

1 stop

5:35 am - 1:25 pm

SJU

STL

8h 50m

2 stops

$232Southwest

Mon, Apr 13 - Fri, Apr 17

7:05 pm - 8:51 pm

PIA

SJU

24h 46m

2 stops

1:31 pm - 11:52 pm

SJU

PIA

11h 21m

2 stops

$270American Airlines

Useful Info

Low season	September
High season	December
Cheapest flight	$94

Best time to beat the crowds with an average 8% drop in price.

Most popular time to fly with an average 27% increase in price.

Flight from Chicago O'Hare Airport to San Juan

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.

Rio Grande

Caguas

Everything you need to know for your flight to San Juan

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on your arrival and departure airports

San Juan (SJU)

SJU

$94 Find Cheap Flights from Illinois to San Juan

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

Cheap Flights from Illinois to San Juan

Recent round-trip flight deals from Illinois to San Juan

Recent one-way flight deals from Illinois to San Juan

Recent last minute flight deals from Illinois to San Juan

Recent direct flight deals from Illinois to San Juan

Good to know

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?

Everything you need to know for your flight to San Juan

Information on your arrival and departure airports

Cabin class types available on flights to San Juan

Complete your trip to San Juan with a hotel stay or car rental

Find direct flights for San Juan

Flights to other popular destinations

Flights from domestic origins to Illinois

Choose which airport to fly into in San Juan

Find deals for your return flight