What are the cheapest airlines to fly from Chicago to Port St. Lucie one-way?

To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $62. Southwest flights start at $89 while deals on United Airlines start at $90 one-way.

What are the cheapest flights from Chicago to Port St. Lucie?

The cheapest flight price from Chicago to Port St. Lucie is $40. On average you can expect to pay $528. The most popular route, (Chicago O'Hare Intl - Fort Lauderdale), can usually be booked for $78.

What are the most reliable airlines from Chicago to Port St. Lucie?

No one likes to see their flight delayed. When booking a flight from Chicago to Port St. Lucie consider choosing Azul (85%), Copa Airlines (84%) or Air Canada (82%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Chicago to Port St. Lucie?

American Airlines, Delta and Frontier are the most popular airlines when flying from Chicago to Port St. Lucie.

How far in advance should I book a flight from Chicago to Port St. Lucie?

Users have found that booking a flight from Chicago to Port St. Lucie at least 29 days early can save you up to 76% on average compared to booking a flight this week. If booking 29 days before your flight isn’t an option for you, users have found flights from Chicago to Port St. Lucie for as little as $200 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $327 for flights departing within the next 3 days.

What is the cheapest month to fly from Chicago to Port St. Lucie?

August is one of the best times of the year to fly to Port St. Lucie from Chicago. Prices for August average $251 per person but you can even find prices for as low as $76. The most expensive prices can be found in the month of December. Opting for a August flight can save you 45% on your journey compared to booking in December

Can I find deals for flights from Chicago to Port St. Lucie that include hotel bookings?

Yes. In addition to deals on Chicago to Port St. Lucie flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Chicago to Port St. Lucie?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Port St. Lucie.

Can I find deals for business class flights from Chicago to Port St. Lucie?

Yes. Cheapflights offers flight deals from Chicago to Port St. Lucie by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$62+ Flights from Chicago to Port St. Lucie

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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

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Cheapflights Tip: The best prices from Chicago to Port St. Lucie are usually found in August or September, booked 28 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap flight deals from Chicago to Port St. Lucie

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$125 (Cheapflightsfares)
One-way from	$62 (FlightHub)
Popular in	December
Cheapest in	August
Average price	$223

Provider with most accurate pricing for Chicago (CHI)-Fort Lauderdale flight deals.

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Provider most trusted by Cheapflights users for Chicago (CHI)-Fort Lauderdale flights.

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From Chicago (CHI) to Port St. Lucie

Search Deals

One-way flight from Chicago (CHI) to Port St. Lucie

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($40 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($11 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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Find flight deals from Chicago to Port St. Lucie

Cheapest flights from Chicago to Port St. Lucie
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 April 2, 2025.

Sat 4/265:36 amORD - FLL

Nonstop3h 05mSpirit Airlines

Tue 4/299:59 pmFLL - ORD

Nonstop3h 21mSpirit Airlines

Deal found 4/1

$125

Sun 5/412:08 pmORD - FLL

1 stop7h 43mMultiple Airlines

Wed 5/78:35 pmFLL - ORD

Nonstop3h 29mMultiple Airlines

Deal found 4/1

$168

Wed 5/712:05 pmMDW - FLL

Nonstop2h 55mSouthwest

Wed 5/146:15 pmFLL - MDW

Nonstop3h 10mSouthwest

Deal found 4/1

$177

Fri 6/138:36 pmMDW - FLL

1 stop25h 55mAllegiant Air

Sun 6/158:39 pmFLL - MDW

1 stop24h 07mAllegiant Air

Deal found 4/1

$192

Fri 4/2511:00 amMDW - FLL

1 stop9h 33mFrontier

Mon 4/2810:33 pmFLL - MDW

1 stop11h 43mFrontier

Deal found 4/1

$198

Sat 5/1712:48 pmMDW - FLL

1 stop4h 46mDelta

Sat 5/245:24 pmFLL - MDW

1 stop4h 49mDelta

Deal found 4/2

$217

Sat 5/36:39 pmORD - FLL

Nonstop3h 13mAmerican Airlines

Sun 5/47:00 amFLL - ORD

Nonstop3h 37mAmerican Airlines

Deal found 4/1

$237

Fri 6/138:36 pmMDW - FLL

2 stops25h 12mMultiple Airlines

Sun 6/158:39 pmFLL - MDW

1 stop24h 07mMultiple Airlines

Deal found 4/1

$251

Tue 4/157:05 amORD - FLL

1 stop4h 49mDelta

Wed 4/233:49 pmFLL - ORD

1 stop6h 01mDelta

Deal found 4/1

$257

Wed 6/41:30 pmORD - FLL

1 stop7h 50mSouthwest

Wed 6/186:35 amFLL - ORD

2 stops10h 50mSouthwest

Deal found 4/1

$273

Best flights from Chicago to Port St. Lucie
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 April 2, 2025.

Sat 5/1712:41 pmORD - FLL

Nonstop3h 03mSpirit Airlines

Tue 5/206:30 amFLL - ORD

Nonstop3h 20mSpirit Airlines

Deal found 4/2

$125

Fri 4/185:00 pmORD - FLL

1 stop17h 08mMultiple Airlines

Wed 4/239:59 pmFLL - ORD

Nonstop3h 21mMultiple Airlines

Deal found 4/1

$152

Wed 5/76:35 pmMDW - FLL

Nonstop2h 55mSouthwest

Tue 5/206:15 pmFLL - MDW

Nonstop3h 10mSouthwest

Deal found 3/31

$177

Sat 5/178:37 amORD - FLL

Nonstop3h 03mAmerican Airlines

Sat 5/241:33 pmFLL - ORD

Nonstop3h 30mAmerican Airlines

Deal found 4/2

$190

Fri 6/138:36 pmMDW - FLL

1 stop25h 55mAllegiant Air

Sun 6/158:39 pmFLL - MDW

1 stop24h 07mAllegiant Air

Deal found 4/1

$192

Fri 4/2511:00 amMDW - FLL

1 stop9h 33mFrontier

Mon 4/2810:33 pmFLL - MDW

1 stop11h 43mFrontier

Deal found 4/1

$198

Wed 5/219:39 amORD - FLL

1 stop6h 33mDelta

Tue 5/274:19 pmFLL - ORD

1 stop5h 02mDelta

Deal found 4/2

$217

Wed 4/309:20 amMDW - FLL

1 stop5h 18mDelta

Wed 5/72:05 pmFLL - MDW

1 stop5h 40mDelta

Deal found 3/31

$217

Fri 6/138:36 pmMDW - FLL

2 stops25h 12mMultiple Airlines

Sun 6/158:39 pmFLL - MDW

1 stop24h 07mMultiple Airlines

Deal found 4/1

$251

Tue 6/34:00 pmORD - FLL

1 stop5h 55mSouthwest

Tue 6/106:35 amFLL - ORD

2 stops10h 50mSouthwest

Deal found 4/1

$273

Last-minute flights from Chicago to Port St. Lucie
Discover last-minute flight deals from Chicago to Port St. Lucie. Data last updated April 2, 2025 and is based on user searches.

Sun 4/68:00 amMDW - FLL

1 stop9h 47mFrontier

Thu 4/1012:28 pmFLL - MDW

1 stop6h 03mFrontier

Deal found 4/1

$268

Wed 4/97:47 pmORD - FLL

Nonstop3h 12mMultiple Airlines

Tue 4/1512:14 pmFLL - ORD

1 stop5h 37mMultiple Airlines

Deal found 4/1

$198

Wed 4/96:35 amMDW - FLL

Nonstop2h 55mSouthwest

Tue 4/156:15 pmFLL - MDW

Nonstop3h 10mSouthwest

Deal found 3/31

$287

Wed 4/92:57 pmMDW - FLL

1 stop5h 29mDelta

Tue 4/1512:00 pmFLL - MDW

1 stop5h 12mDelta

Deal found 4/1

$327

Sat 4/1211:45 amORD - FLL

1 stop11h 10mSpirit Airlines

Wed 4/239:59 pmFLL - ORD

Nonstop3h 21mSpirit Airlines

Deal found 4/1

$137

Sat 4/129:45 amORD - FLL

1 stop5h 02mDelta

Tue 4/226:25 pmFLL - ORD

1 stop6h 34mDelta

Deal found 4/1

$287

Tue 4/1511:15 amORD - FLL

1 stop5h 04mDelta

Tue 4/227:39 pmFLL - ORD

1 stop5h 20mDelta

Deal found 4/1

$257

Mon 4/2110:59 amMDW - FLL

2 stops20h 47mMultiple Airlines

Thu 4/249:56 amFLL - MDW

2 stops22h 49mMultiple Airlines

Deal found 4/1

$369

Fri 4/2511:00 amMDW - FLL

1 stop9h 33mFrontier

Mon 4/2810:33 pmFLL - MDW

1 stop11h 43mFrontier

Deal found 4/1

$198

Sat 4/265:36 amORD - FLL

Nonstop3h 05mSpirit Airlines

Tue 4/299:59 pmFLL - ORD

Nonstop3h 21mSpirit Airlines

Deal found 4/1

$125

Sat 5/36:39 pmORD - FLL

Nonstop3h 13mAmerican Airlines

Sun 5/47:00 amFLL - ORD

Nonstop3h 37mAmerican Airlines

Deal found 4/1

$237

Sun 5/412:08 pmORD - FLL

1 stop7h 43mMultiple Airlines

Tue 5/67:00 amFLL - ORD

Nonstop3h 24mMultiple Airlines

Deal found 4/1

$168

One-way flights from Chicago to Port St. Lucie
Search for one-way flight options from Chicago to Port St. Lucie. Find affordable one-way fares based on user searches. Data last updated April 2, 2025.

Wed 5/1412:41 pmORD - FLL

Nonstop3h 03mSpirit Airlines

Deal found 4/1

$62

Sat 4/1912:58 pmMDW - FLL

1 stop9h 57mMultiple Airlines

Deal found 4/1

$85

Sat 5/179:19 amORD - FLL

1 stop7h 41mMultiple Airlines

Deal found 4/1

$89

Sat 5/32:25 pmMDW - FLL

Nonstop3h 00mSouthwest

Deal found 4/1

$89

Wed 6/44:20 pmORD - FLL

Nonstop3h 14mUnited Airlines

Deal found 4/1

$90

Fri 6/68:36 pmMDW - FLL

1 stop21h 58mAllegiant Air

Deal found 4/1

$93

Tue 6/34:00 pmORD - FLL

1 stop5h 55mSouthwest

Deal found 4/1

$100

Sun 5/48:30 amMDW - FLL

1 stop11h 21mFrontier

Deal found 4/1

$106

Wed 4/2311:15 amORD - FLL

1 stop5h 04mDelta

Deal found 4/1

$109

Tue 4/226:04 amMDW - FLL

1 stop5h 50mDelta

Deal found 4/1

$109

Sun 4/278:15 amORD - FLL

1 stop27h 40mSun Country Air

Deal found 4/1

$128

Wed 4/236:50 amORD - FLL

Nonstop3h 03mAmerican Airlines

Deal found 4/1

$130

Cheapflights Fare Finder

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

Price

ChicagoFort Lauderdale

ORD - FLL

ORDFLL

Chicago O'Hare Intl

Tue 4/22

7:47 pm-11:59 pm

Nonstop3h 12m

Fort Lauderdale

Fri 4/25

7:00 am-9:24 am

Nonstop3h 24m

$121

ChicagoFort Lauderdale

ORD - FLL

ORDFLL

Chicago O'Hare Intl

Sun 5/4

12:08 pm-8:51 pm

1 stop7h 43m

Fort Lauderdale

Tue 5/6

7:00 am-9:24 am

Nonstop3h 24m

$168

ChicagoFort Lauderdale

MDW - FLL

MDWFLL

Chicago Midway

Wed 5/7

12:05 pm-4:00 pm

Nonstop2h 55m

Fort Lauderdale

Wed 5/14

6:15 pm-8:25 pm

Nonstop3h 10m

$177

ChicagoFort Lauderdale

MDW - FLL

MDWFLL

Chicago Midway

Fri 6/13

8:36 pm-11:31 pm

1 stop25h 55m

Fort Lauderdale

Sun 6/15

8:39 pm-7:46 pm

1 stop24h 07m

$192

ChicagoFort Lauderdale

MDW - FLL

MDWFLL

Chicago Midway

Fri 4/25

11:00 am-9:33 pm

1 stop9h 33m

Fort Lauderdale

Mon 4/28

10:33 pm-9:16 am

1 stop11h 43m

$198

ChicagoFort Lauderdale

MDW - FLL

MDWFLL

Chicago Midway

Sat 5/17

12:48 pm-6:34 pm

1 stop4h 46m

Fort Lauderdale

Sat 5/24

5:24 pm-9:13 pm

1 stop4h 49m

$217

ChicagoFort Lauderdale

ORD - FLL

ORDFLL

Chicago O'Hare Intl

Sat 5/3

3:30 pm-9:49 pm

1 stop5h 19m

Fort Lauderdale

Sat 5/10

11:05 am-3:06 pm

1 stop5h 01m

$237

ChicagoFort Lauderdale

MDW - FLL

MDWFLL

Chicago Midway

Fri 6/13

8:36 pm-10:48 pm

2 stops25h 12m

Fort Lauderdale

Sun 6/15

8:39 pm-7:46 pm

1 stop24h 07m

$251

ChicagoFort Lauderdale

ORD - FLL

ORDFLL

Chicago O'Hare Intl

Wed 4/23

6:50 am-10:53 am

Nonstop3h 03m

Fort Lauderdale

Sun 4/27

7:00 am-9:37 am

Nonstop3h 37m

$253

ChicagoFort Lauderdale

ORD - FLL

ORDFLL

Chicago O'Hare Intl

Tue 6/24

4:50 pm-9:00 pm

Nonstop3h 10m

$62

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 22 results

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.

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

How far ahead should I book a flight from Chicago to Port St. Lucie?

Booking 28 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago to Port St. Lucie. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Chicago to Port St. Lucie?

Currently, May is the cheapest month in which you can book a flight from Chicago to Port St. Lucie (average of $206). Flying from Chicago to Port St. Lucie in November is currently the most expensive (average of $289). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CHI to LU5?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago to Port St. Lucie as you normally would.

What is the cheapest day to fly from Chicago to Port St. Lucie?

Travelers seeking maximum savings on their Chicago to Port St. Lucie flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Chicago to Port St. Lucie

The most flights from CHI to LU5 are scheduled on a Tuesday (65 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (31 on average).

Rainfall in Port St. Lucie by month

In terms of precipitation, rainfall in Port St. Lucie ranges from 1.8 - 8.3 inches per month. September is typically the wettest month, when rainfall can reach 8.3 in. February is typically the driest time to visit Port St. Lucie when rainfall is around 1.8 in.

Temperature in Port St. Lucie by month

If weather is an important factor for your trip to Port St. Lucie, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 66.2 F).

Reviews of airlines servicing Port St. Lucie

Read through reviews of airlines operating flights from Chicago to Port St. Lucie, such as Alaska Airlines, Southwest and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,823 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines

8.0

Very good

9,823 reviews

Alaska Airlines

8.0

Very good

9,823 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Southwest

8.0

Very good

4,275 reviews

Alaska Airlines

8.0

Very good

9,823 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta

8.0

Very good

7,899 reviews

Alaska Airlines

8.0

Very good

9,823 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines

7.4

Good

8,615 reviews

Alaska Airlines

8.0

Very good

9,823 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Allegiant Air

7.3

Good

731 reviews

Alaska Airlines

8.0

Very good

9,823 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

What are the cheapest airlines to fly from Chicago to Port St. Lucie one-way?
To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $62. Southwest flights start at $89 while deals on United Airlines start at $90 one-way.
What are the most reliable airlines from Chicago to Port St. Lucie?
No one likes to see their flight delayed. When booking a flight from Chicago to Port St. Lucie consider choosing Azul (85%), Copa Airlines (84%) or Air Canada (82%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Chicago to Port St. Lucie?
The cheapest flight price from Chicago to Port St. Lucie is $40. On average you can expect to pay $528. The most popular route, (Chicago O'Hare Intl - Fort Lauderdale), can usually be booked for $78.
Can I find deals for flights from Chicago to Port St. Lucie that include hotel bookings?
Yes. In addition to deals on Chicago to Port St. Lucie flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Chicago to Port St. Lucie?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Port St. Lucie.
Can I find deals for business class flights from Chicago to Port St. Lucie?
Yes. Cheapflights offers flight deals from Chicago to Port St. Lucie by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Chicago to Port St. Lucie?
Currently, May is the cheapest month in which you can book a flight from Chicago to Port St. Lucie (average of $206). Flying from Chicago to Port St. Lucie in November is currently the most expensive (average of $289). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Chicago to Port St. Lucie

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$38	Average$168	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$42	Average$181	FlexibilityNo cancel fee	On-time65%
United Airlines	Cheapest$177	Average$380	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$181	Average$358	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$195	Average$423	FlexibilityNo cancel fee	On-time63%
Delta	Cheapest$196	Average$395	FlexibilityNo cancel fee	On-timeN/A

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$62+ 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 6/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Chicago to Port St. Lucie with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Chicago to Port St. Lucie are usually found in August or September, booked 28 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap 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 April 2, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Chicago to Port St. Lucie

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 April 2, 2025.

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 April 2, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago to Port St. Lucie that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Port St. Lucie

How far ahead should I book a flight from Chicago to Port St. Lucie?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Port St. Lucie. Price data was last updated on March 28, 2025.

What is the cheapest month to book a flight from Chicago to Port St. Lucie?

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 April 2, 2025.

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 December 16, 2024.

Weekly flight availability from Chicago to Port St. Lucie

Rainfall in Port St. Lucie by month

Plan your trip to Port St. Lucie by taking into account the average rainfall totals by month.

Temperature in Port St. Lucie by month

Plan your trip to Port St. Lucie by taking into account the average temperature totals by month.

Reviews of airlines servicing Port St. Lucie

Read through reviews of airlines operating flights from Chicago to Port St. Lucie, such as Alaska Airlines, Southwest and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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Top 6 airlines flying from Chicago to Port St. Lucie

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Cheapest flights from Chicago to Port St. Lucie
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 April 2, 2025.