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Port St. Lucie

$61+ 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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — MCO
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
1 adult, Economy
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The best prices from Chicago to Port St. Lucie are usually found in August or April, booked 28 days in advance, depart on a Tuesday or Wednesday and return on a Friday

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 febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$111
(FlightHub)

One-way from

$61
(Mytrip)

Popular in

December

Cheapest in

August

Average price

$272
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. 14% potential increase in price ($42 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 February 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 febrero 20, 2025.

This FlightHub deal was found by Cheapflights users on 2/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/125:10 amORD - FLL
Nonstop3h 08mSpirit Airlines
mar. 3/181:09 pmFLL - ORD
1 stop20h 35mSpirit Airlines
Deal found 2/20$111
This CheapOair deal was found by Cheapflights users on 2/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/812:31 pmORD - FLL
1 stop8h 38mMultiple Airlines
sáb. 3/1512:33 pmFLL - ORD
1 stop8h 39mMultiple Airlines
Deal found 2/19$137
This Frontier deal was found by Cheapflights users on 2/20. 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.
vie. 5/98:30 amMDW - FLL
1 stop12h 00mFrontier
lun. 5/1210:30 pmFLL - MDW
1 stop10h 49mFrontier
Deal found 2/20$140
This Frontier deal was found by Cheapflights users on 2/19. 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.
vie. 2/288:58 amORD - FLL
1 stop8h 21mFrontier
sáb. 3/812:27 pmFLL - ORD
1 stop8h 45mFrontier
Deal found 2/19$185
This Southwest deal was found by Cheapflights users on 2/19. 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.
mié. 3/127:10 pmMDW - FLL
Nonstop2h 55mSouthwest
mié. 3/196:05 amFLL - MDW
Nonstop3h 15mSouthwest
Deal found 2/19$209
This Delta deal was found by Cheapflights users on 2/20. 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.
mar. 4/112:51 pmMDW - FLL
1 stop5h 39mDelta
mié. 4/26:00 amFLL - MDW
1 stop7h 36mDelta
Deal found 2/20$217
This Trip.com deal was found by Cheapflights users on 2/19. 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.
jue. 4/105:15 amMDW - FLL
1 stop14h 00mMultiple Airlines
lun. 4/149:00 amFLL - MDW
1 stop11h 46mMultiple Airlines
Deal found 2/19$231
This JetBlue deal was found by Cheapflights users on 2/20. 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.
vie. 4/41:24 pmORD - FLL
1 stop6h 21mJetBlue
lun. 4/76:00 amFLL - ORD
1 stop7h 27mJetBlue
Deal found 2/20$257

Find flights from Chicago to Port St. Lucie within your budget

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 febrero 20, 2025.

Fly from

Chicago

Fly to

Port St. Lucie

Route

Depart

Return

Price

ChicagoFort Lauderdale

ORD - FLL

ORDFLL

Chicago O'Hare Intl

mié. 3/12

5:10 am-9:18 am

Nonstop3h 08m

Fort Lauderdale

mar. 3/18

1:09 pm-8:44 am

1 stop20h 35m

$111

ChicagoFort Lauderdale

MDW - FLL

MDWFLL

Chicago Midway

vie. 5/9

8:30 am-9:30 pm

1 stop12h 00m

Fort Lauderdale

lun. 5/12

10:30 pm-8:19 am

1 stop10h 49m

$140

ChicagoFort Lauderdale

ORD - FLL

ORDFLL

Chicago O'Hare Intl

jue. 4/24

3:17 pm-9:33 pm

1 stop5h 16m

Fort Lauderdale

lun. 4/28

7:00 am-9:24 am

Nonstop3h 24m

$143

ChicagoFort Lauderdale

ORD - FLL

ORDFLL

Chicago O'Hare Intl

vie. 2/28

8:58 am-6:19 pm

1 stop8h 21m

Fort Lauderdale

sáb. 3/15

12:33 pm-8:12 pm

1 stop8h 39m

$185

ChicagoFort Lauderdale

MDW - FLL

MDWFLL

Chicago Midway

mié. 3/12

7:10 pm-11:05 pm

Nonstop2h 55m

Fort Lauderdale

mié. 3/19

6:05 am-8:20 am

Nonstop3h 15m

$209

ChicagoFort Lauderdale

MDW - FLL

MDWFLL

Chicago Midway

mar. 4/1

12:51 pm-7:30 pm

1 stop5h 39m

Fort Lauderdale

mié. 4/2

6:00 am-12:36 pm

1 stop7h 36m

$217

ChicagoFort Lauderdale

MDW - FLL

MDWFLL

Chicago Midway

jue. 4/10

5:15 am-8:15 pm

1 stop14h 00m

Fort Lauderdale

lun. 4/14

9:00 am-7:46 pm

1 stop11h 46m

$231

ChicagoFort Lauderdale

ORD - FLL

ORDFLL

Chicago O'Hare Intl

vie. 4/4

1:24 pm-8:45 pm

1 stop6h 21m

Fort Lauderdale

lun. 4/7

6:00 am-12:27 pm

1 stop7h 27m

$257

ChicagoFort Lauderdale

ORD - FLL

ORDFLL

Chicago O'Hare Intl

vie. 4/18

7:49 pm-11:59 pm

Nonstop3h 10m

$61

ChicagoFort Lauderdale

MDW - FLL

MDWFLL

Chicago Midway

lun. 4/28

11:00 am-9:33 pm

1 stop9h 33m

$61

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

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.

Travel insights for flights from Chicago to Port St. Lucie

Get recent, data-driven insights about flights from Chicago to Port St. Lucie including ideal travel times, pricing trends, and more.

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 February 14, 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 febrero 20, 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 Thursday evenings 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 febrero 20, 2025.

The most flights from CHI to LU5 are scheduled on a Thursday (63 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (38 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 febrero 20, 2025.
Read through reviews of airlines operating flights from Chicago to Port St. Lucie, such as Southwest, Alaska Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Crew

8.7

Boarding

8.2

Comfort

8.1

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
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Crew

8.7

Boarding

8.2

Comfort

8.1

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.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Crew

8.7

Boarding

8.2

Comfort

8.1

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
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Crew

8.7

Boarding

8.2

Comfort

8.1

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.

JetBlue
7.4
Good
3,070 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Crew

8.7

Boarding

8.2

Comfort

8.1

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
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Crew

8.7

Boarding

8.2

Comfort

8.1

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 $61. Frontier flights start at $61 while deals on Southwest start at $95 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 (87%), Copa Airlines (84%) or Air Canada (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 $46. On average you can expect to pay $628. The most popular route, (Chicago O'Hare Intl - Fort Lauderdale), can usually be booked for $70.

  • 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

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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 febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$38Average$169FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$58Average$179FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$170Average$355FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$175Average$376FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$189Average$433FlexibilityNo cancel feeOn-time63%
DeltaCheapest$196Average$386FlexibilityNo cancel feeOn-timeN/A
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