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Port St. Lucie

$67+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — MCO
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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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

Keep the following information in mind while searching for Chicago to Port St. Lucie flight deals. Data was last updated April 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$125
(Cheapflightsfares)

One-way from

$67
(Cheapflightsfares)

Popular in

December

Cheapest in

August

Average price

$263
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
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One-way flight from Chicago (CHI) to Port St. Lucie
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Highest demand for flights based on searches. 12% potential increase in price ($36 potential increase over avg. RT price).
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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 24, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/65:36 amORD - FLL
Nonstop3h 05mSpirit Airlines
Tue 5/138:35 pmFLL - ORD
Nonstop3h 29mSpirit Airlines
Deal found 4/22$125
This Southwest deal was found by Cheapflights users on 4/22. 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 6/46:35 pmMDW - FLL
Nonstop2h 55mSouthwest
Wed 6/1111:50 amFLL - MDW
Nonstop3h 10mSouthwest
Deal found 4/22$171
This Priceline deal was found by Cheapflights users on 4/22. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/49:48 amORD - FLL
1 stop6h 40mMultiple Airlines
Sun 5/116:30 amFLL - ORD
Nonstop3h 20mMultiple Airlines
Deal found 4/22$183
This Frontier deal was found by Cheapflights users on 4/23. 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 5/18:30 amMDW - FLL
1 stop12h 00mFrontier
Mon 5/510:38 pmFLL - MDW
1 stop10h 41mFrontier
Deal found 4/23$198
This Mytrip deal was found by Cheapflights users on 4/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/308:04 pmMDW - FLL
1 stop26h 33mAllegiant Air
Mon 6/210:11 amFLL - MDW
1 stop10h 03mAllegiant Air
Deal found 4/23$206
This Delta deal was found by Cheapflights users on 4/22. 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 5/279:00 amORD - FLL
1 stop5h 14mDelta
Tue 6/32:05 pmFLL - ORD
1 stop7h 16mDelta
Deal found 4/22$217
This Delta deal was found by Cheapflights users on 4/23. 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 6/71:08 pmMDW - FLL
1 stop4h 42mDelta
Sat 6/145:30 amFLL - MDW
1 stop5h 11mDelta
Deal found 4/23$217
This Frontier deal was found by Cheapflights users on 4/23. 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.
Fri 6/65:01 amORD - FLL
1 stop12h 07mFrontier
Sun 6/87:30 pmFLL - ORD
1 stop5h 29mFrontier
Deal found 4/23$218
This Southwest deal was found by Cheapflights users on 4/22. 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 6/101:50 pmORD - FLL
2 stops9h 50mSouthwest
Sat 6/146:25 amFLL - ORD
1 stop7h 20mSouthwest
Deal found 4/22$269

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 April 24, 2025.
Use the filters below to find and compare flights from Chicago to Port St. Lucie that are best for you.

Fly from

Chicago

Fly to

Port St. Lucie

Route

Depart

Return

Price

ChicagoFort Lauderdale

ORD - FLL

ORDFLL

Chicago O'Hare Intl

Tue 5/6

5:36 am-9:41 am

Nonstop3h 05m

Fort Lauderdale

Tue 5/13

8:35 pm-11:04 pm

Nonstop3h 29m

$125

ChicagoFort Lauderdale

MDW - FLL

MDWFLL

Chicago Midway

Wed 6/4

6:35 pm-10:30 pm

Nonstop2h 55m

Fort Lauderdale

Wed 6/11

11:50 am-2:00 pm

Nonstop3h 10m

$171

ChicagoFort Lauderdale

ORD - FLL

ORDFLL

Chicago O'Hare Intl

Sun 5/4

9:48 am-5:28 pm

1 stop6h 40m

Fort Lauderdale

Sun 5/11

6:30 am-8:50 am

Nonstop3h 20m

$183

ChicagoFort Lauderdale

MDW - FLL

MDWFLL

Chicago Midway

Thu 6/5

3:25 pm-11:24 pm

1 stop6h 59m

Fort Lauderdale

Fri 6/6

7:03 pm-11:18 pm

1 stop5h 15m

$198

ChicagoFort Lauderdale

MDW - FLL

MDWFLL

Chicago Midway

Fri 8/15

7:07 pm-8:30 pm

1 stop24h 23m

Fort Lauderdale

Mon 8/18

9:47 am-6:17 pm

1 stop9h 30m

$199

ChicagoFort Lauderdale

ORD - FLL

ORDFLL

Chicago O'Hare Intl

Tue 5/27

9:00 am-3:14 pm

1 stop5h 14m

Fort Lauderdale

Tue 6/3

2:05 pm-8:21 pm

1 stop7h 16m

$217

ChicagoFort Lauderdale

MDW - FLL

MDWFLL

Chicago Midway

Sat 6/7

1:08 pm-6:50 pm

1 stop4h 42m

Fort Lauderdale

Sat 6/14

5:30 am-9:41 am

1 stop5h 11m

$217

ChicagoFort Lauderdale

ORD - FLL

ORDFLL

Chicago O'Hare Intl

Fri 6/6

5:01 am-6:08 pm

1 stop12h 07m

Fort Lauderdale

Sun 6/8

7:30 pm-11:59 pm

1 stop5h 29m

$218

ChicagoFort Lauderdale

ORD - FLL

ORDFLL

Chicago O'Hare Intl

Thu 7/10

1:50 pm-10:45 pm

1 stop7h 55m

Fort Lauderdale

Mon 7/14

5:30 am-10:45 am

1 stop6h 15m

$257

ChicagoFort Lauderdale

MDW - FLL

MDWFLL

Chicago Midway

Mon 5/12

8:35 am-9:44 am

2 stops24h 09m

Fort Lauderdale

Sat 5/17

6:00 am-10:53 am

3 stops29h 53m

$421

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 22 results
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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?

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 April 18, 2025.

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?

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 24, 2025.

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?

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.

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

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 April 24, 2025.

The most flights from CHI to LU5 are scheduled on a Monday (60 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (43 on average).

Rainfall in Port St. Lucie by month

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

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

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 April 24, 2025.
Read through reviews of airlines operating flights from Chicago to Port St. Lucie, such as Southwest, Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,286 reviews

Comfort

8.0

Food

7.1

Boarding

8.2

Crew

8.6

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Sarah,Aug 2024

MDW - AUS

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.
Southwest
8.0
Very good
4,286 reviews
Southwest
8.0
Very good
4,286 reviews

Comfort

8.0

Food

7.1

Boarding

8.2

Crew

8.6

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Sarah,Aug 2024

MDW - AUS

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.
Delta
8.0
Very good
7,920 reviews
Southwest
8.0
Very good
4,286 reviews

Comfort

8.0

Food

7.1

Boarding

8.2

Crew

8.6

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Sarah,Aug 2024

MDW - AUS

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.
United Airlines
7.4
Good
8,685 reviews
Southwest
8.0
Very good
4,286 reviews

Comfort

8.0

Food

7.1

Boarding

8.2

Crew

8.6

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Sarah,Aug 2024

MDW - AUS

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.
Allegiant Air
7.3
Good
734 reviews
Southwest
8.0
Very good
4,286 reviews

Comfort

8.0

Food

7.1

Boarding

8.2

Crew

8.6

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Sarah,Aug 2024

MDW - AUS

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,286 reviews

Comfort

8.0

Food

7.1

Boarding

8.2

Crew

8.6

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Sarah,Aug 2024

MDW - AUS

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

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.

  • 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 $67. Frontier flights start at $75 while deals on American Airlines start at $86 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 Southwest (88%), Azul (85%) or Copa Airlines (83%) 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 $50. On average you can expect to pay $472. The most popular route, (Chicago O'Hare Intl - Fort Lauderdale), can usually be booked for $115.

  • 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.

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Alternative routes for Chicago to Port St. Lucie

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Chicago to Port St. Lucie

Discover the top 6 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$38Average$179FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$42Average$184FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$177Average$379FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$180Average$360FlexibilityNo cancel feeOn-time71%
DeltaCheapest$196Average$392FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$201Average$421FlexibilityNo cancel feeOn-time63%

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