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Cheap flights from San Juan Luis Munoz Marin Intl Airport to Illinois from $119

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 8/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
7:14 pm - 11:27 pm
SJU
-
ORD
5h 13mnonstop
Frontier Logo
12:44 am - 6:44 am
ORD
-
SJU
5h 00mnonstop
$235Frontier
Wed, Jul 22 - Mon, Aug 10
Frontier Logo
6:45 am - 1:00 pm
SJU
-
ORD
31h 15m
1 stop
Frontier Logo
12:44 am - 6:44 am
ORD
-
SJU
5h 00mnonstop
$236Frontier
Fri, Aug 28 - Tue, Sep 1
United Airlines Logo
3:56 pm - 8:05 pm
SJU
-
ORD
5h 09mnonstop
United Airlines Logo
8:55 am - 2:44 pm
ORD
-
SJU
4h 49mnonstop
$237United Airlines
Sat, Sep 5 - Tue, Sep 8
Frontier Logo
7:14 pm - 11:27 pm
SJU
-
ORD
5h 13mnonstop
Frontier Logo
12:44 am - 6:44 am
ORD
-
SJU
5h 00mnonstop
$238Frontier
Thu, Aug 20 - Mon, Aug 24
American Airlines Logo
7:24 pm - 7:34 am
SJU
-
ORD
13h 10m
1 stop
American Airlines Logo
5:20 pm - 11:15 pm
ORD
-
SJU
4h 55mnonstop
$242American Airlines
Thu, Aug 20 - Sun, Aug 23
Delta Logo
12:56 pm - 10:36 pm
SJU
-
MDW
10h 40m
1 stop
Delta Logo
6:05 am - 1:42 pm
MDW
-
SJU
6h 37m
1 stop
$246Delta
Wed, Aug 19 - Mon, Aug 24
Delta Logo
12:56 pm - 10:36 pm
SJU
-
MDW
10h 40m
1 stop
Delta Logo
6:05 am - 4:38 pm
MDW
-
SJU
9h 33m
1 stop
$256Delta
Wed, Aug 26 - Sat, Aug 29
Southwest Logo
8:20 am - 4:55 pm
SJU
-
MDW
9h 35m
2 stops
Southwest Logo
1:00 pm - 10:50 pm
MDW
-
SJU
8h 50m
2 stops
$286Southwest
Wed, Aug 19 - Fri, Aug 21
Southwest Logo
8:55 pm - 11:25 am
SJU
-
MDW
15h 30m
2 stops
Southwest Logo
1:00 pm - 11:50 pm
MDW
-
SJU
9h 50m
2 stops
$291Southwest
Thu, Sep 17 - Mon, Sep 21
American Airlines Logo
6:27 am - 4:27 pm
SJU
-
STL
11h 00m
2 stops
American Airlines Logo
3:34 pm - 9:24 am
STL
-
SJU
16h 50m
2 stops
$342American Airlines
Wed, Sep 9 - Sat, Sep 12

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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
Jul 22
SJU7:14 pmSan Juan Luis Munoz Marin Intl
5h 13m
ORD11:27 pmChicago O'Hare Intl
Aug 10
ORD12:44 amChicago O'Hare Intl
5h 00m
SJU6:44 amSan Juan Luis Munoz Marin Intl
$235
Frontier
Aug 28
SJU6:45 amSan Juan Luis Munoz Marin Intl
31h 15m
1 stop
ORD1:00 pmChicago O'Hare Intl
Sep 1
ORD12:44 amChicago O'Hare Intl
5h 00m
SJU6:44 amSan Juan Luis Munoz Marin Intl
$236
Frontier
Aug 20
SJU7:14 pmSan Juan Luis Munoz Marin Intl
5h 13m
ORD11:27 pmChicago O'Hare Intl
Aug 24
ORD12:44 amChicago O'Hare Intl
5h 00m
SJU6:44 amSan Juan Luis Munoz Marin Intl
$238

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

Our best United Airlines deals on San Juan Luis Munoz Marin Intl Airport to Illinois flight tickets
United Airlines
Sep 5
SJU3:56 pmSan Juan Luis Munoz Marin Intl
5h 09m
ORD8:05 pmChicago O'Hare Intl
Sep 8
ORD8:55 amChicago O'Hare Intl
4h 49m
SJU2:44 pmSan Juan Luis Munoz Marin Intl
$237
United Airlines
Aug 26
SJU4:55 pmSan Juan Luis Munoz Marin Intl
7h 45m
1 stop
ORD11:40 pmChicago O'Hare Intl
Aug 30
ORD5:30 amChicago O'Hare Intl
9h 12m
1 stop
SJU3:42 pmSan Juan Luis Munoz Marin Intl
$246
United Airlines
Jul 4
SJU1:00 amSan Juan Luis Munoz Marin Intl
10h 34m
2 stops
STL10:34 amLambert-St Louis
Jul 8
STL6:00 amLambert-St Louis
14h 24m
2 stops
SJU9:24 pmSan Juan Luis Munoz Marin Intl
$876

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 June 24, 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

Wed 7/22

7:14 pm-11:27 pm

Nonstop5h 13m

Chicago O'Hare Intl

Mon 8/10

12:44 am-6:44 am

Nonstop5h 00m

$235

San JuanChicago

SJU - ORD

SJUORD

San Juan Luis Munoz Marin Intl

Fri 8/28

6:45 am-1:00 pm

1 stop31h 15m

Chicago O'Hare Intl

Tue 9/1

12:44 am-6:44 am

Nonstop5h 00m

$236
Quickest round-trip

San JuanChicago

SJU - ORD

SJUORD

San Juan Luis Munoz Marin Intl

Sat 9/5

3:56 pm-8:05 pm

Nonstop5h 09m

Chicago O'Hare Intl

Tue 9/8

8:55 am-2:44 pm

Nonstop4h 49m

$237

San JuanChicago

SJU - ORD

SJUORD

San Juan Luis Munoz Marin Intl

Thu 8/20

7:14 pm-11:27 pm

Nonstop5h 13m

Chicago O'Hare Intl

Mon 8/24

12:44 am-6:44 am

Nonstop5h 00m

$238

San JuanChicago

SJU - ORD

SJUORD

San Juan Luis Munoz Marin Intl

Thu 8/20

7:24 pm-7:34 am

1 stop13h 10m

Chicago O'Hare Intl

Sun 8/23

5:20 pm-11:15 pm

Nonstop4h 55m

$242

San JuanChicago

SJU - MDW

SJUMDW

San Juan Luis Munoz Marin Intl

Wed 8/19

12:56 pm-10:36 pm

1 stop10h 40m

Chicago Midway

Mon 8/24

6:05 am-1:42 pm

1 stop6h 37m

$246

San JuanChicago

SJU - MDW

SJUMDW

San Juan Luis Munoz Marin Intl

Wed 8/26

12:56 pm-10:36 pm

1 stop10h 40m

Chicago Midway

Sat 8/29

6:05 am-4:38 pm

1 stop9h 33m

$256

San JuanChicago

SJU - MDW

SJUMDW

San Juan Luis Munoz Marin Intl

Wed 8/19

8:20 am-4:55 pm

2 stops9h 35m

Chicago Midway

Fri 8/21

1:00 pm-10:50 pm

2 stops8h 50m

$286

San JuanChicago

SJU - MDW

SJUMDW

San Juan Luis Munoz Marin Intl

Thu 9/17

8:55 pm-11:25 am

2 stops15h 30m

Chicago Midway

Mon 9/21

1:00 pm-11:50 pm

2 stops9h 50m

$291

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Wed 9/9

6:27 am-4:27 pm

2 stops11h 00m

Lambert-St Louis

Sat 9/12

3:34 pm-9:24 am

2 stops16h 50m

$342

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 May. Flight prices, which tend to average around $64, 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 May, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $83.

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 Thursday when prices can be found for as low as $453. Flights from San Juan Luis Munoz Marin Intl Airport to Illinois on a Sunday will generally be more expensive and average around $623. 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 $450. Flights in the morning are often more expensive with an average ticket price of $520.

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 from San Juan Luis Munoz Marin Intl Airport 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 $339 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 $278 on momondo.

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

There are 4 cabin classes available to choose from on San Juan Luis Munoz Marin Intl Airport 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 14% 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

$191

Fastest flight time

5h 09m

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 $191. 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 $404.
The fastest flight from San Juan Luis Munoz Marin Intl Airport to Illinois takes 5h 09m
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
DeltaPriceFrom $112Free CancellationRating
7.8
8,432 reviews
Search Delta flights
FrontierPriceFrom $119Free CancellationRating
5.6
2,867 reviews
Search Frontier flights
JetBluePriceFrom $131Free CancellationRating
7.1
3,001 reviews
Search JetBlue flights
American AirlinesPriceFrom $227Free CancellationRating
7.1
11,751 reviews
Search American Airlines flights
United AirlinesPriceFrom $262Free CancellationRating
7.4
9,881 reviews
Search United Airlines flights
SouthwestPriceFrom $292Free CancellationRating
7.9
4,242 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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