$53+ Cheap flights from Chicago (CHI) to Port St. Lucie, FL
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — MCO
Jul 5 — Jul 121
Round-trip
1 adult, Economy
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Find cheap flights from Chicago to Port St. Lucie with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Chicago to Port St. Lucie are usually found in October or September, booked 36 days in advance, depart on a Tuesday or Sunday and return on a Thursday
Cheap flight deals from Chicago to Port St. Lucie
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Best
Last-minute
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Cheapest flights from Chicago to Port St. LucieExplore the most affordable flight options available from Chicago to Port St. Lucie. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 5, 2026.
Explore the most affordable flight options available from Chicago to Port St. Lucie. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 5, 2026.
This Orbitz deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:55 am
ORD
- FLL
Nonstop3h 17m
Frontier
Sun 9/69:53 am
FLL
- ORD
Nonstop3h 32m
Frontier
Deal found 6/2![Frontier logo]()
$98
This Super.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:55 am
ORD
- FLL
Nonstop3h 17m
Frontier
Sun 9/69:53 am
FLL
- ORD
Nonstop3h 32m
Frontier
Deal found 6/3![Frontier logo]()
$102
This Frontier deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:55 am
ORD
- FLL
Nonstop3h 17m
Frontier
Wed 9/29:53 am
FLL
- ORD
Nonstop3h 32m
Frontier
Deal found 6/3![Frontier logo]()
$103
This iWofly deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:52 am
ORD
- FLL
Nonstop3h 20m
Frontier
Sat 7/119:43 am
FLL
- ORD
Nonstop3h 32m
Frontier
Deal found 6/2![Frontier logo]()
$106
This Super.com deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:55 am
ORD
- FLL
Nonstop3h 17m
Frontier
Sat 8/229:53 am
FLL
- ORD
Nonstop3h 32m
Frontier
Deal found 6/1![Frontier logo]()
$107
This Frontier deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:52 am
ORD
- FLL
Nonstop3h 20m
Frontier
Fri 7/109:43 am
FLL
- ORD
Nonstop3h 32m
Frontier
Deal found 6/4![Frontier logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:55 am
ORD
- FLL
Nonstop3h 17m
Frontier
Tue 9/89:53 am
FLL
- ORD
Nonstop3h 32m
Frontier
Deal found 6/4![Frontier logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:05 am
ORD
- FLL
Nonstop3h 17m
Frontier
Mon 8/179:43 am
FLL
- ORD
Nonstop3h 32m
Frontier
Deal found 6/2![Frontier logo]()
$111
This Trip.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/308:05 am
ORD
- FLL
Nonstop3h 17m
Frontier
Sun 8/29:43 am
FLL
- ORD
Nonstop3h 32m
Frontier
Deal found 6/2![Frontier logo]()
$112
This Trip.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/68:05 am
ORD
- FLL
Nonstop3h 23m
Frontier
Sun 8/99:43 am
FLL
- ORD
Nonstop3h 32m
Frontier
Deal found 6/2![Frontier logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/148:05 am
ORD
- FLL
Nonstop3h 17m
Frontier
Mon 8/179:43 am
FLL
- ORD
Nonstop3h 32m
Frontier
Deal found 6/2![Frontier logo]()
$114
This Frontier deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:55 am
ORD
- FLL
Nonstop3h 17m
Frontier
Sat 8/229:53 am
FLL
- ORD
Nonstop3h 32m
Frontier
Deal found 6/3![Frontier logo]()
$117
Best flights from Chicago to Port St. LucieDiscover carefully curated flight deals from Chicago to Port St. Lucie that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 5, 2026.
Discover carefully curated flight deals from Chicago to Port St. Lucie that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 5, 2026.
This JetBlue deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/237:00 am
ORD
- FLL
Nonstop3h 14m
JetBlue
Sun 7/269:05 pm
FLL
- ORD
Nonstop3h 39m
JetBlue
Deal found 6/4![JetBlue logo]()
$207
This Southwest deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1211:10 am
MDW
- FLL
1 stop7h 25m
Southwest
Tue 8/187:20 am
FLL
- MDW
Nonstop3h 00m
Southwest
Deal found 6/2![Southwest logo]()
$207
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/911:20 am
ORD
- FLL
1 stop6h 20m
Delta
Mon 7/136:00 am
FLL
- ORD
1 stop5h 37m
Delta
Deal found 6/3![Delta logo]()
$217
This United Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/37:25 am
ORD
- FLL
1 stop5h 20m
United Airlines
Sat 8/87:16 pm
FLL
- ORD
1 stop6h 29m
United Airlines
Deal found 6/3![United Airlines logo]()
$217
This Southwest deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/115:55 pm
MDW
- FLL
Nonstop3h 05m
Southwest
Wed 7/157:00 am
FLL
- MDW
Nonstop3h 05m
Southwest
Deal found 6/2![Southwest logo]()
$212
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/279:54 am
ORD
- FLL
1 stop7h 47m
Delta
Tue 9/82:35 pm
FLL
- ORD
1 stop6h 42m
Delta
Deal found 6/4![Delta logo]()
$217
This United Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/207:25 am
ORD
- FLL
1 stop5h 20m
United Airlines
Tue 6/233:00 pm
FLL
- ORD
1 stop6h 21m
United Airlines
Deal found 5/31![United Airlines logo]()
$232
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/246:22 pm
ORD
- FLL
1 stop5h 17m
Delta
Mon 7/276:00 am
FLL
- ORD
1 stop5h 37m
Delta
Deal found 6/3![Delta logo]()
$217
This Southwest deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/172:45 pm
MDW
- FLL
1 stop7h 55m
Southwest
Tue 7/2112:20 pm
FLL
- MDW
Nonstop3h 00m
Southwest
Deal found 6/4![Southwest logo]()
$222
This JetBlue deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/107:00 am
ORD
- FLL
Nonstop3h 14m
JetBlue
Sun 8/99:05 pm
FLL
- ORD
Nonstop3h 39m
JetBlue
Deal found 5/31![JetBlue logo]()
$247
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:40 am
ORD
- FLL
1 stop5h 42m
Delta
Tue 8/183:44 pm
FLL
- ORD
1 stop6h 06m
Delta
Deal found 6/2![Delta logo]()
$217
This Southwest deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/143:00 pm
MDW
- FLL
2 stops6h 40m
Southwest
Wed 7/228:25 am
FLL
- MDW
1 stop7h 05m
Southwest
Deal found 6/4![Southwest logo]()
$222
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:35 am
ORD
- FLL
1 stop5h 45m
Delta
Tue 7/216:00 am
FLL
- ORD
1 stop5h 37m
Delta
Deal found 6/1![Delta logo]()
$217
This Southwest deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/247:35 pm
MDW
- FLL
Nonstop3h 00m
Southwest
Sun 7/266:10 am
FLL
- MDW
Nonstop3h 00m
Southwest
Deal found 5/31![Southwest logo]()
$227
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:10 pm
MDW
- FLL
1 stop6h 34m
Delta
Wed 8/266:00 am
FLL
- MDW
1 stop7h 39m
Delta
Deal found 5/31![Delta logo]()
$217
This Southwest deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/297:35 pm
MDW
- FLL
Nonstop2h 55m
Southwest
Mon 7/68:25 pm
FLL
- MDW
1 stop4h 45m
Southwest
Deal found 5/30![Southwest logo]()
$237
This Southwest deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/116:30 am
MDW
- FLL
1 stop4h 45m
Southwest
Sun 7/126:10 am
FLL
- MDW
Nonstop3h 00m
Southwest
Deal found 6/1![Southwest logo]()
$237
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/116:22 pm
ORD
- FLL
1 stop5h 17m
Delta
Sun 7/126:00 am
FLL
- ORD
1 stop5h 37m
Delta
Deal found 5/31![Delta logo]()
$258
This Southwest deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/197:15 pm
MDW
- FLL
Nonstop3h 00m
Southwest
Fri 7/248:25 pm
FLL
- MDW
1 stop4h 45m
Southwest
Deal found 6/1![Southwest logo]()
$237
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/278:52 am
ORD
- FLL
1 stop5h 42m
Delta
Thu 7/3011:27 am
FLL
- ORD
1 stop8h 02m
Delta
Deal found 6/2![Delta logo]()
$258
This Southwest deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/135:10 pm
MDW
- FLL
1 stop4h 35m
Southwest
Fri 7/176:20 pm
FLL
- MDW
Nonstop3h 05m
Southwest
Deal found 6/1![Southwest logo]()
$237
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/156:22 pm
ORD
- FLL
1 stop5h 24m
Delta
Thu 6/257:48 pm
FLL
- ORD
1 stop5h 11m
Delta
Deal found 6/1![Delta logo]()
$272
Last-minute flights from Chicago to Port St. LucieDiscover last-minute flight deals from Chicago to Port St. Lucie. Data last updated June 5, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Port St. Lucie. Data last updated June 5, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/297:52 am
ORD
- FLL
Nonstop3h 20m
Frontier
Thu 7/29:53 am
FLL
- ORD
Nonstop3h 31m
Frontier
Deal found 6/2![Frontier logo]()
$137
This Frontier deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/27:52 am
ORD
- FLL
Nonstop3h 20m
Frontier
Sat 7/49:53 am
FLL
- ORD
Nonstop3h 31m
Frontier
Deal found 5/31![Frontier logo]()
$125
This iWofly deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:52 am
ORD
- FLL
Nonstop3h 20m
Frontier
Sat 7/119:43 am
FLL
- ORD
Nonstop3h 32m
Frontier
Deal found 6/2![Frontier logo]()
$106
This Super.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:52 am
ORD
- FLL
Nonstop3h 20m
Frontier
Sun 7/129:43 am
FLL
- ORD
Nonstop3h 32m
Frontier
Deal found 6/2![Frontier logo]()
$107
This Frontier deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:52 am
ORD
- FLL
Nonstop3h 20m
Frontier
Fri 7/109:43 am
FLL
- ORD
Nonstop3h 32m
Frontier
Deal found 6/4![Frontier logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:05 am
ORD
- FLL
Nonstop3h 17m
Frontier
Tue 7/149:43 am
FLL
- ORD
Nonstop3h 32m
Frontier
Deal found 6/2![Frontier logo]()
$111
This Super.com deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/98:05 am
ORD
- FLL
Nonstop3h 17m
Frontier
Sun 7/129:43 am
FLL
- ORD
Nonstop3h 32m
Frontier
Deal found 5/31![Frontier logo]()
$122
This Expedia deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/98:05 am
ORD
- FLL
Nonstop3h 17m
Frontier
Mon 7/139:43 am
FLL
- ORD
Nonstop3h 32m
Frontier
Deal found 6/1![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/157:05 am
ORD
- FLL
1 stop8h 49m
Frontier
Wed 7/229:43 am
FLL
- ORD
Nonstop3h 32m
Frontier
Deal found 6/3![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/178:05 am
ORD
- FLL
Nonstop3h 17m
Frontier
Fri 7/249:43 am
FLL
- ORD
Nonstop3h 32m
Frontier
Deal found 6/1![Frontier logo]()
$129
This Trip.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/248:05 am
ORD
- FLL
Nonstop3h 17m
Frontier
Thu 8/69:43 am
FLL
- ORD
Nonstop3h 32m
Frontier
Deal found 6/2![Frontier logo]()
$119
This Trip.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/308:05 am
ORD
- FLL
Nonstop3h 17m
Frontier
Sun 8/29:43 am
FLL
- ORD
Nonstop3h 32m
Frontier
Deal found 6/2![Frontier logo]()
$112
One-way flights from Chicago to Port St. LucieSearch for one-way flight options from Chicago to Port St. Lucie. Find affordable one-way fares based on user searches. Data last updated June 5, 2026.
Search for one-way flight options from Chicago to Port St. Lucie. Find affordable one-way fares based on user searches. Data last updated June 5, 2026.
This iWofly deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/268:05 am
ORD
- FLL
Nonstop3h 17m
Frontier
Deal found 6/3![Frontier logo]()
$53
This Super.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/28:05 am
ORD
- FLL
Nonstop3h 17m
Frontier
Deal found 6/3![Frontier logo]()
$54
This Frontier deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:52 am
ORD
- FLL
Nonstop3h 20m
Frontier
Deal found 6/1![Frontier logo]()
$55
This Frontier deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/307:52 am
ORD
- FLL
Nonstop3h 20m
Frontier
Deal found 6/2![Frontier logo]()
$56
This Trip.com deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/168:05 am
ORD
- FLL
Nonstop3h 17m
Frontier
Deal found 5/31![Frontier logo]()
$57
This Booking.com deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/278:05 am
ORD
- FLL
Nonstop3h 17m
Frontier
Deal found 6/1![Frontier logo]()
$58
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/18:05 am
ORD
- FLL
Nonstop3h 17m
Frontier
Deal found 6/4![Frontier logo]()
$63
This Super.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/37:52 am
ORD
- FLL
Nonstop3h 20m
Frontier
Deal found 6/3![Frontier logo]()
$68
This Super.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/168:05 am
ORD
- FLL
Nonstop3h 17m
Frontier
Deal found 6/2![Frontier logo]()
$69
This Super.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/237:52 am
ORD
- FLL
Nonstop3h 20m
Frontier
Deal found 6/2![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/49:34 pm
ORD
- FLL
1 stop14h 58m
Frontier
Deal found 6/3![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/246:00 am
MDW
- FLL
1 stop10h 02m
Frontier
Deal found 6/3![Frontier logo]()
$93
Find flight deals from Chicago to Port St. Lucie
Keep the following information in mind while searching for Chicago to Port St. Lucie flight deals. Data was last updated June 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $98 (Orbitz) |
One-way from | $53 (iWofly) |
Popular in | March |
Cheapest in | October |
Average price | $278 |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago to Port St. Lucie 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, Cheapflights users made 2,558,603 searches. Data last updated June 5, 2026.
Use the filters below to find and compare flights from Chicago to Port St. Lucie that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoFort Lauderdale
ORD - FLL
ORDFLL
Chicago O'Hare Intl
Thu 7/23
7:00 am-11:14 am
Nonstop3h 14m
Fort Lauderdale
Sun 7/26
9:05 pm-11:44 pm
Nonstop3h 39m
$207
ChicagoFort Lauderdale
MDW - FLL
MDWFLL
Chicago Midway
Wed 8/12
11:10 am-7:35 pm
1 stop7h 25m
Fort Lauderdale
Tue 8/18
7:20 am-9:20 am
Nonstop3h 00m
$207
ChicagoFort Lauderdale
MDW - FLL
MDWFLL
Chicago Midway
Sat 7/11
5:55 pm-10:00 pm
Nonstop3h 05m
Fort Lauderdale
Wed 7/15
7:00 am-9:05 am
Nonstop3h 05m
$212
ChicagoFort Lauderdale
ORD - FLL
ORDFLL
Chicago O'Hare Intl
Thu 7/9
11:20 am-6:40 pm
1 stop6h 20m
Fort Lauderdale
Mon 7/13
6:00 am-10:37 am
1 stop5h 37m
$217
ChicagoFort Lauderdale
ORD - FLL
ORDFLL
Chicago O'Hare Intl
Mon 8/3
7:25 am-1:45 pm
1 stop5h 20m
Fort Lauderdale
Sat 8/8
7:16 pm-12:45 am
1 stop6h 29m
$217
ChicagoFort Lauderdale
ORD - FLL
ORDFLL
Chicago O'Hare Intl
Thu 8/27
9:54 am-6:41 pm
1 stop7h 47m
Fort Lauderdale
Tue 9/8
2:35 pm-8:17 pm
1 stop6h 42m
$217
ChicagoFort Lauderdale
ORD - FLL
ORDFLL
Chicago O'Hare Intl
Fri 7/24
6:22 pm-12:39 am
1 stop5h 17m
Fort Lauderdale
Mon 7/27
6:00 am-10:37 am
1 stop5h 37m
$217
ChicagoFort Lauderdale
ORD - FLL
ORDFLL
Chicago O'Hare Intl
Wed 8/12
6:40 am-1:22 pm
1 stop5h 42m
Fort Lauderdale
Tue 8/18
3:44 pm-8:50 pm
1 stop6h 06m
$217
ChicagoFort Lauderdale
ORD - FLL
ORDFLL
Chicago O'Hare Intl
Tue 7/14
6:35 am-1:20 pm
1 stop5h 45m
Fort Lauderdale
Tue 7/21
6:00 am-10:37 am
1 stop5h 37m
$217
ChicagoFort Lauderdale
MDW - FLL
MDWFLL
Chicago Midway
Fri 8/21
5:10 pm-12:44 am
1 stop6h 34m
Fort Lauderdale
Wed 8/26
6:00 am-12:39 pm
1 stop7h 39m
$217
Showing 1-10 of 42 resultsSorted by cheapest first
Best time to book a flight from Chicago to Port St. Lucie
Have a flexible travel schedule? Discover the best time to fly to Port St. Lucie from Chicago with our price prediction graph.
ORD-FLL
MDW-FLL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Chicago to Port St. Lucie
CHI-LU5
ORD-FLL
MDW-FLL
What is the cheapest time of day to fly from CHI to LU5?
Find hourly flight availability from Chicago to Port St. Lucie. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 5, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 10% on flights from Chicago to Port St. Lucie by exploring options for tickets in the morning.
Weekly flight availability from Chicago to Port St. Lucie
Explore weekly flight availability from Chicago to Port St. Lucie. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 5, 2026.
The most flights from CHI to LU5 are scheduled on a Thursday (83 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (52 on average).
How much does it cost to fly round-trip from Chicago to Port St. Lucie?
What is the cheapest day to fly from Chicago to Port St. Lucie?
Use this chart to determine the cheapest time to fly round-trip from Chicago to Port St. Lucie. Price data was last updated on May 30, 2026.
Travelers seeking maximum savings on their Chicago to Port St. Lucie flight should consider departing on Sunday at noon when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Port St. Lucie
Get insights into the airlines that provide service to Port St. Lucie. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Port St. Lucie. Reviews last updated June 5, 2026.
Get a feel of what it's like to fly with Southwest,United Airlines, andAmerican Airlines from Chicago to Port St. Lucie by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Related info for your journey
Find useful and relevant information for your journey from Chicago to Port St. Lucie. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Chicago to Port St. Lucie
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Complete your trip
Complete your trip to Port St. Lucie by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Chicago to Port St. Lucie by cabin class
Find flights from Chicago to Port St. Lucie, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Chicago and Port St. Lucie flights
Browse other Chicago and Port St. Lucie flight options. Last updated on June 5, 2026.
Other flights from Chicago
Browse through other flights departing from Chicago. Flights are based on user searches made on Cheapflights and were last updated on June 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 7 airlines flying from Chicago to Port St. Lucie
Discover the top 7 airlines that operate flights from Chicago to Port St. Lucie. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$56 | Average$186 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$84 | Average$181 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$108 | Average$323 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$148 | Average$345 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$155 | Average$319 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$157 | Average$362 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$179 | Average$267 | FlexibilityNo cancel fee | On-time62% |