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Cheap flights from San Juan Luis Munoz Marin Intl Airport to Illinois from $88

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Juan Luis Munoz Marin Intl Airport to Illinois departing on 5/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from San Juan Luis Munoz Marin Intl Airport to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
11:30 am - 11:59 pm
SJU
-
ORD
13h 29m
1 stop
Frontier Logo
5:50 am - 2:08 pm
ORD
-
SJU
7h 18m
1 stop
$159Frontier
Thu, Apr 23 - Mon, Apr 27
Frontier Logo
6:00 am - 10:54 pm
SJU
-
ORD
17h 54m
1 stop
Frontier Logo
3:52 pm - 5:59 pm
ORD
-
SJU
25h 07m
1 stop
$164Frontier
Fri, Apr 17 - Sun, Apr 19
Frontier Logo
7:00 am - 2:39 pm
SJU
-
ORD
8h 39m
1 stop
Frontier Logo
5:49 pm - 5:26 pm
ORD
-
SJU
22h 37m
1 stop
$168Frontier
Thu, May 7 - Sun, May 10
Frontier Logo
3:31 pm - 6:14 pm
SJU
-
ORD
27h 43m
1 stop
Frontier Logo
5:49 pm - 5:26 pm
ORD
-
SJU
22h 37m
1 stop
$169Frontier
Sun, May 3 - Sun, May 10
Spirit Airlines Logo
12:57 pm - 12:24 am
SJU
-
ORD
12h 27m
1 stop
Spirit Airlines Logo
6:40 am - 11:24 pm
ORD
-
SJU
15h 44m
1 stop
$170Spirit Airlines
Wed, Apr 15 - Mon, Apr 20
Multiple Airlines Logo
1:59 am - 11:03 am
SJU
-
ORD
10h 04m
1 stop
Multiple Airlines Logo
7:50 am - 12:58 am
ORD
-
SJU
16h 08m
1 stop
$173Multiple Airlines
Wed, Apr 22 - Mon, Apr 27
Spirit Airlines Logo
4:34 pm - 8:49 pm
SJU
-
ORD
5h 15mnonstop
Spirit Airlines Logo
7:50 am - 12:58 am
ORD
-
SJU
16h 08m
1 stop
$174Spirit Airlines
Thu, Apr 23 - Mon, Apr 27
Frontier Logo
11:30 am - 11:59 pm
SJU
-
ORD
13h 29m
1 stop
Frontier Logo
4:58 pm - 5:59 pm
ORD
-
SJU
24h 01m
1 stop
$175Frontier
Thu, Apr 16 - Mon, Apr 20
Frontier Logo
3:19 pm - 11:19 pm
SJU
-
STL
9h 00m
1 stop
Frontier Logo
4:19 pm - 2:08 am
STL
-
SJU
8h 49m
1 stop
$176Frontier
Fri, May 1 - Fri, May 8
Spirit Airlines Logo
4:34 pm - 8:49 pm
SJU
-
ORD
5h 15mnonstop
Spirit Airlines Logo
10:00 am - 3:39 pm
ORD
-
SJU
4h 39mnonstop
$177Spirit Airlines
Thu, Apr 23 - Tue, Apr 28

Frontier flights from San Juan Luis Munoz Marin Intl Airport to Illinois

Our best Frontier deals on San Juan Luis Munoz Marin Intl Airport to Illinois flight tickets
Frontier
Apr 23
SJU11:30 amSan Juan Luis Munoz Marin Intl
13h 29m
1 stop
ORD11:59 pmChicago O'Hare Intl
Apr 27
ORD5:50 amChicago O'Hare Intl
7h 18m
1 stop
SJU2:08 pmSan Juan Luis Munoz Marin Intl
$159
Frontier
Apr 17
SJU6:00 amSan Juan Luis Munoz Marin Intl
17h 54m
1 stop
ORD10:54 pmChicago O'Hare Intl
Apr 19
ORD3:52 pmChicago O'Hare Intl
25h 07m
1 stop
SJU5:59 pmSan Juan Luis Munoz Marin Intl
$164
Frontier
May 7
SJU7:00 amSan Juan Luis Munoz Marin Intl
8h 39m
1 stop
ORD2:39 pmChicago O'Hare Intl
May 10
ORD5:49 pmChicago O'Hare Intl
22h 37m
1 stop
SJU5:26 pmSan Juan Luis Munoz Marin Intl
$168

Spirit Airlines flights from San Juan Luis Munoz Marin Intl Airport to Illinois

Our best Spirit Airlines deals on San Juan Luis Munoz Marin Intl Airport to Illinois flight tickets
Spirit Airlines
Apr 15
SJU12:57 pmSan Juan Luis Munoz Marin Intl
12h 27m
1 stop
ORD12:24 amChicago O'Hare Intl
Apr 20
ORD6:40 amChicago O'Hare Intl
15h 44m
1 stop
SJU11:24 pmSan Juan Luis Munoz Marin Intl
$170
Spirit Airlines
Apr 23
SJU4:34 pmSan Juan Luis Munoz Marin Intl
5h 15m
ORD8:49 pmChicago O'Hare Intl
Apr 27
ORD7:50 amChicago O'Hare Intl
16h 08m
1 stop
SJU12:58 amSan Juan Luis Munoz Marin Intl
$174
Spirit Airlines
Apr 23
SJU4:34 pmSan Juan Luis Munoz Marin Intl
5h 15m
ORD8:49 pmChicago O'Hare Intl
Apr 28
ORD10:00 amChicago O'Hare Intl
4h 39m
SJU3:39 pmSan Juan Luis Munoz Marin Intl
$177

momondo Fare Finder

 
Customize your flight search to find flights from San Juan Luis Munoz Marin Intl Airport to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated April 5, 2026.
Use the filters below to find and compare flights from San Juan Luis Munoz Marin Intl Airport to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JuanChicago

SJU - ORD

SJUORD

San Juan Luis Munoz Marin Intl

Thu 4/23

11:30 am-11:59 pm

1 stop13h 29m

Chicago O'Hare Intl

Mon 4/27

5:50 am-2:08 pm

1 stop7h 18m

$159

San JuanChicago

SJU - ORD

SJUORD

San Juan Luis Munoz Marin Intl

Fri 4/17

6:00 am-10:54 pm

1 stop17h 54m

Chicago O'Hare Intl

Sun 4/19

3:52 pm-5:59 pm

1 stop25h 07m

$164

San JuanChicago

SJU - ORD

SJUORD

San Juan Luis Munoz Marin Intl

Thu 5/7

7:00 am-2:39 pm

1 stop8h 39m

Chicago O'Hare Intl

Sun 5/10

5:49 pm-5:26 pm

1 stop22h 37m

$168

San JuanChicago

SJU - ORD

SJUORD

San Juan Luis Munoz Marin Intl

Sun 5/3

3:31 pm-6:14 pm

1 stop27h 43m

Chicago O'Hare Intl

Sun 5/10

5:49 pm-5:26 pm

1 stop22h 37m

$169

San JuanChicago

SJU - ORD

SJUORD

San Juan Luis Munoz Marin Intl

Wed 4/15

12:57 pm-12:24 am

1 stop12h 27m

Chicago O'Hare Intl

Mon 4/20

6:40 am-11:24 pm

1 stop15h 44m

$170

San JuanChicago

SJU - ORD

SJUORD

San Juan Luis Munoz Marin Intl

Wed 4/22

1:59 am-11:03 am

1 stop10h 04m

Chicago O'Hare Intl

Mon 4/27

7:50 am-12:58 am

1 stop16h 08m

$173

San JuanChicago

SJU - ORD

SJUORD

San Juan Luis Munoz Marin Intl

Thu 4/23

4:34 pm-8:49 pm

Nonstop5h 15m

Chicago O'Hare Intl

Mon 4/27

7:50 am-12:58 am

1 stop16h 08m

$174

San JuanChicago

SJU - ORD

SJUORD

San Juan Luis Munoz Marin Intl

Thu 4/16

11:30 am-11:59 pm

1 stop13h 29m

Chicago O'Hare Intl

Mon 4/20

4:58 pm-5:59 pm

1 stop24h 01m

$175

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Fri 5/1

3:19 pm-11:19 pm

1 stop9h 00m

Lambert-St Louis

Fri 5/8

4:19 pm-2:08 am

1 stop8h 49m

$176
Quickest round-trip

San JuanChicago

SJU - ORD

SJUORD

San Juan Luis Munoz Marin Intl

Thu 4/23

4:34 pm-8:49 pm

Nonstop5h 15m

Chicago O'Hare Intl

Tue 4/28

10:00 am-3:39 pm

Nonstop4h 39m

$177

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

How to get the cheapest flight ticket from San Juan Luis Munoz Marin Intl Airport to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from San Juan Luis Munoz Marin Intl Airport is in February. Flight prices, which tend to average around $189, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $270.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from San Juan Luis Munoz Marin Intl Airport to Illinois is on a Friday when prices can be found for as low as $386. Flights from San Juan Luis Munoz Marin Intl Airport to Illinois on a Sunday will generally be more expensive and average around $571. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from San Juan Luis Munoz Marin Intl Airport to Illinois during this time can be as low as $287. Flights in the afternoon are often more expensive with an average ticket price of $488.

What is the cheapest San Juan Luis Munoz Marin Intl to Illinois flight route?

Fly from San Juan Luis Munoz Marin Intl to Chicago O'Hare Intl for the best San Juan Luis Munoz Marin Intl - Illinois flight prices

How far in advance should I book a flight to Illinois?

You are more likely to see cheaper flights to Illinois from San Juan Luis Munoz Marin Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $325 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from San Juan Luis Munoz Marin Intl Airport for as low as $268 on momondo.

What cabin class options are available on San Juan Luis Munoz Marin Intl to Illinois flights?

There are 4 cabin classes available to choose from on San Juan Luis Munoz Marin Intl to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San Juan Luis Munoz Marin Intl Airport to Illinois flights?

You could potentially save up to 4% on your flight if you consider stops on a San Juan Luis Munoz Marin Intl Airport to Illinois flight.

Cheap San Juan Luis Munoz Marin Intl Airport to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Juan Luis Munoz Marin Intl Airport to Illinois

Best Price Found

$202

Fastest flight time

5h 07m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from San Juan Luis Munoz Marin Intl Airport in the past 72 hours is $202. The best round-trip flight deal from San Juan Luis Munoz Marin Intl Airport to Illinois found on momondo in the last 72 hours is $328.
The fastest flight from San Juan Luis Munoz Marin Intl Airport to Illinois takes 5h 07m
Direct flights go from San Juan Luis Munoz Marin Intl Airport to Illinois every day.
There are 98 airports in Illinois. From San Juan Luis Munoz Marin Intl Airport there are direct flights to Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL).
Search flight deals

Frequently asked questions about flying from San Juan Luis Munoz Marin Intl Airport to Illinois

  • When did momondo last update prices for flights from San Juan Luis Munoz Marin Intl Airport to Illinois?

    Prices for flights from San Juan Luis Munoz Marin Intl Airport to Illinois are refreshed on a daily basis.

  • How many operators does momondo search for flights from San Juan Luis Munoz Marin Intl Airport to Illinois?

  • How old do you have to be to fly from San Juan Luis Munoz Marin Intl Airport to Illinois?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Juan Luis Munoz Marin Intl Airport to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from San Juan Luis Munoz Marin Intl Airport to Illinois?

Best airlines flying from San Juan Luis Munoz Marin Intl Airport to Illinois

Compare and see reviews for airlines that fly from San Juan Luis Munoz Marin Intl Airport to Illinois with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $111Free CancellationRating
5.7
3,001 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $124Free CancellationRating
6.3
8,594 reviews
Search Spirit Airlines flights
JetBluePriceFrom $131Free CancellationRating
7.2
2,916 reviews
Search JetBlue flights
United AirlinesPriceFrom $256Free CancellationRating
7.4
9,546 reviews
Search United Airlines flights
American AirlinesPriceFrom $257Free CancellationRating
7.1
11,550 reviews
Search American Airlines flights
SouthwestPriceFrom $292Free CancellationRating
8.0
4,340 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from San Juan to Illinois?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Juan to Illinois. momondo saves you time and could save you money on your trip.

Can I find flights from San Juan to Illinois with flexible booking policies on momondo?

Flights from San Juan to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from San Juan to Illinois?

momondo helps you find the best flight between San Juan and Illinois by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from San Juan to Illinois right now. Can momondo alert me if prices change?

Yes. momondo can track prices for San Juan to Illinois flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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