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Cheap flights from Illinois to San Juan from $158

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to San Juan departing on 9/11. 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 Illinois to San Juan

Cheap round-trip flights

Frontier Logo
8:49 pm - 9:30 amORD-PSE
11h 41m1 stop
Frontier Logo
10:15 am - 7:44 pmPSE-ORD
10h 29m1 stop
$329Frontier
Find Deal
Sun, Sep 7 - Sun, Sep 14
Frontier Logo
8:49 pm - 9:30 amORD-PSE
11h 41m1 stop
Frontier Logo
10:15 am - 7:44 pmPSE-ORD
10h 29m1 stop
$331Frontier
Find Deal
Thu, Sep 25 - Sun, Sep 28
Frontier Logo
8:49 pm - 9:30 amORD-PSE
11h 41m1 stop
Frontier Logo
10:15 am - 7:44 pmPSE-ORD
10h 29m1 stop
$335Frontier
Find Deal
Thu, Sep 25 - Mon, Sep 29
Frontier Logo
8:49 pm - 9:30 amORD-PSE
11h 41m1 stop
Frontier Logo
10:15 am - 7:44 pmPSE-ORD
10h 29m1 stop
$339Frontier
Find Deal
Thu, Sep 11 - Sun, Sep 14
Frontier Logo
8:49 pm - 9:30 amORD-PSE
11h 41m1 stop
Frontier Logo
10:15 am - 7:44 pmPSE-ORD
10h 29m1 stop
$352Frontier
Find Deal
Thu, Sep 25 - Sun, Oct 5
Frontier Logo
5:10 am - 9:30 amORD-PSE
27h 20m2 stops
Frontier Logo
10:15 am - 7:44 pmPSE-ORD
10h 29m1 stop
$372Frontier
Find Deal
Thu, Sep 25 - Sun, Sep 28
Frontier Logo
5:10 am - 9:30 amORD-PSE
27h 20m2 stops
Frontier Logo
10:15 am - 7:44 pmPSE-ORD
10h 29m1 stop
$374Frontier
Find Deal
Sun, Sep 7 - Sun, Sep 14
JetBlue Logo
8:34 am - 10:59 pmORD-PSE
13h 25m2 stops
JetBlue Logo
5:20 am - 6:24 pmPSE-ORD
14h 04m2 stops
$505JetBlue
Find Deal
Sat, Oct 18 - Sat, Oct 25
JetBlue Logo
1:06 pm - 3:53 amORD-PSE
12h 47m2 stops
JetBlue Logo
5:30 am - 9:48 pmPSE-ORD
18h 18m2 stops
$770JetBlue
Find Deal
Wed, Nov 26 - Sat, Dec 6
Frontier Logo
6:28 pm - 10:00 amORD-PSE
13h 32m1 stop
Frontier Logo
10:50 am - 6:44 pmPSE-ORD
9h 54m1 stop
$784Frontier
Find Deal
Wed, Nov 26 - Fri, Dec 5

JetBlue flights from Illinois to Ponce

Our best JetBlue deals on Illinois to Ponce flight tickets
JetBlue
Oct 18
ORD8:34 amChicago O'Hare Intl
13h 25m
2 stops
PSE10:59 pmPonce Mercedita
Oct 25
PSE5:20 amPonce Mercedita
14h 04m
2 stops
ORD6:24 pmChicago O'Hare Intl
$505
Find similar
JetBlue
Nov 26
ORD1:06 pmChicago O'Hare Intl
12h 47m
2 stops
PSE3:53 amPonce Mercedita
Dec 6
PSE5:30 amPonce Mercedita
18h 18m
2 stops
ORD9:48 pmChicago O'Hare Intl
$770
Find similar
JetBlue
Aug 27
ORD12:07 pmChicago O'Hare Intl
11h 12m
1 stop
PSE12:19 amPonce Mercedita
Aug 30
PSE1:59 amPonce Mercedita
9h 48m
1 stop
ORD10:47 amChicago O'Hare Intl
$855
Find similar

Frontier flights from Illinois to Ponce

Our best Frontier deals on Illinois to Ponce flight tickets
Frontier
Sep 7
ORD8:49 pmChicago O'Hare Intl
11h 41m
1 stop
PSE9:30 amPonce Mercedita
Sep 14
PSE10:15 amPonce Mercedita
10h 29m
1 stop
ORD7:44 pmChicago O'Hare Intl
$329
Find similar
Frontier
Sep 25
ORD8:49 pmChicago O'Hare Intl
11h 41m
1 stop
PSE9:30 amPonce Mercedita
Sep 28
PSE10:15 amPonce Mercedita
10h 29m
1 stop
ORD7:44 pmChicago O'Hare Intl
$331
Find similar
Frontier
Sep 25
ORD8:49 pmChicago O'Hare Intl
11h 41m
1 stop
PSE9:30 amPonce Mercedita
Sep 29
PSE10:15 amPonce Mercedita
10h 29m
1 stop
ORD7:44 pmChicago O'Hare Intl
$335
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Ponce 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 August 12, 2025.
Use the filters below to find and compare flights from Illinois to Ponce that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoPonce

ORD - PSE

ORDPSE

Chicago O'Hare Intl

Sun 9/7

8:49 pm-9:30 am

1 stop11h 41m

Ponce Mercedita

Sun 9/14

10:15 am-7:44 pm

1 stop10h 29m

$329

ChicagoPonce

ORD - PSE

ORDPSE

Chicago O'Hare Intl

Thu 9/25

8:49 pm-9:30 am

1 stop11h 41m

Ponce Mercedita

Sun 9/28

10:15 am-7:44 pm

1 stop10h 29m

$331

ChicagoPonce

ORD - PSE

ORDPSE

Chicago O'Hare Intl

Thu 9/25

8:49 pm-9:30 am

1 stop11h 41m

Ponce Mercedita

Mon 9/29

10:15 am-7:44 pm

1 stop10h 29m

$335

ChicagoPonce

ORD - PSE

ORDPSE

Chicago O'Hare Intl

Thu 9/11

8:49 pm-9:30 am

1 stop11h 41m

Ponce Mercedita

Sun 9/14

10:15 am-7:44 pm

1 stop10h 29m

$339

ChicagoPonce

ORD - PSE

ORDPSE

Chicago O'Hare Intl

Thu 9/25

8:49 pm-9:30 am

1 stop11h 41m

Ponce Mercedita

Sun 10/5

10:15 am-7:44 pm

1 stop10h 29m

$352

ChicagoPonce

ORD - PSE

ORDPSE

Chicago O'Hare Intl

Thu 9/25

5:10 am-9:30 am

2 stops27h 20m

Ponce Mercedita

Sun 9/28

10:15 am-7:44 pm

1 stop10h 29m

$372

ChicagoPonce

ORD - PSE

ORDPSE

Chicago O'Hare Intl

Sun 9/7

5:10 am-9:30 am

2 stops27h 20m

Ponce Mercedita

Sun 9/14

10:15 am-7:44 pm

1 stop10h 29m

$374

ChicagoPonce

ORD - PSE

ORDPSE

Chicago O'Hare Intl

Sat 10/18

8:34 am-10:59 pm

2 stops13h 25m

Ponce Mercedita

Sat 10/25

5:20 am-6:24 pm

2 stops14h 04m

$505

ChicagoPonce

ORD - PSE

ORDPSE

Chicago O'Hare Intl

Wed 11/26

1:06 pm-3:53 am

2 stops12h 47m

Ponce Mercedita

Sat 12/6

5:30 am-9:48 pm

2 stops18h 18m

$770

ChicagoPonce

ORD - PSE

ORDPSE

Chicago O'Hare Intl

Wed 11/26

6:28 pm-10:00 am

1 stop13h 32m

Ponce Mercedita

Fri 12/5

10:50 am-6:44 pm

1 stop9h 54m

$784

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 San Juan from

How to get the cheapest flight ticket from Illinois to Ponce

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 day to depart on your flight to Ponce?

The cheapest day to depart from Illinois to Ponce is on a Thursday. Travelers who choose to depart for Ponce on a Thursday will often find tickets for as low as $244. On the other hand, Monday is the most expensive day to depart from Illinois because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $713.

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

In the morning is the cheapest time of day to fly from Illinois to Ponce when you can find flight prices for as low as $246. Flying to Ponce in the morning is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Ponce is in the evening when prices are around $352.

Cheap Illinois to Ponce flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Ponce

Best Price Found

$158

Fastest flight time

11h 12m

Direct flights

None

Airports in Ponce

1 airport
The best one-way flight to Ponce from Illinois in the past 72 hours is $158. The best round-trip flight deal from Illinois to Ponce found on momondo in the last 72 hours is $329.
The fastest flight from Illinois to Ponce takes 11h 12m
There are no direct flights from Illinois to Ponce. Popular non-direct route for this connection is Chicago O'Hare Intl Airport - Ponce Mercedita Airport.
There is 1 airport near Ponce: Ponce Mercedita (PSE)
Search flight deals

  • When did momondo last update prices for flights from Illinois to Ponce Mercedita Airport?

    Prices for flights from Illinois to Ponce Mercedita Airport are updated daily.

  • How old do you have to be to fly from Illinois to Ponce Mercedita Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Ponce Mercedita Airport.

  • What documentation or ID do you need to fly to Ponce Mercedita Airport?

    The required travel and health documents for your Ponce Mercedita Airport 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 Ponce Mercedita Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

Finding the right flight to Ponce from Illinois is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ponce quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Ponce from Illinois with this policy.

How can momondo help me find flights from Illinois to Ponce?

momondo helps you find the best flight between Illinois and Ponce 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 Illinois to Ponce right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Ponce from Illinois. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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