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Key Largo

$59+ Cheap flights from Chicago (CHI) to Key Largo, 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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — MIA
dic. 23 — dic. 301
lun. 12/23
lun. 12/30
1 adult, Economy
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The best prices from Chicago to Key Largo are usually found in July or September, booked 30 days in advance, depart on a Tuesday or Wednesday and return on a Friday

Cheap flight deals from Chicago to Key Largo

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Key Largo (KE9). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated diciembre 18, 2024.

Round-trip from

$125
(FlightHub)

One-way from

$59
(Cheapflightsfares)

Popular in

December

Cheapest in

July

Average price

$328
From Chicago (CHI) to Key Largo
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One-way flight from Chicago (CHI) to Key Largo
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High demand for flights, 14% potential price rise
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Best time to find cheap flights, 4% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Chicago to Key Largo

Cheapest flights from Chicago to Key Largo
Explore the most affordable flight options available from Chicago to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 18, 2024.

This Frontier deal was found by Cheapflights users on 12/17. 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.
mar. 12/312:20 pmMDW - MIA
1 stop8h 39mFrontier
jue. 1/910:30 amMIA - MDW
1 stop9h 07mFrontier
Deal found 12/17$129
This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
mar. 12/315:07 pmORD - MIA
Nonstop3h 18mSpirit Airlines
mié. 1/81:42 pmMIA - ORD
Nonstop3h 30mSpirit Airlines
Deal found 12/17$151
This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
mar. 12/315:07 pmORD - MIA
Nonstop3h 18mMultiple Airlines
jue. 1/91:35 pmMIA - ORD
1 stop10h 07mMultiple Airlines
Deal found 12/17$155
This eDestinos deal was found by Cheapflights users on 12/18. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/315:33 pmORD - MIA
1 stop5h 26mFrontier
jue. 1/91:35 pmMIA - ORD
1 stop10h 07mFrontier
Deal found 12/18$210
This eDestinos deal was found by Cheapflights users on 12/17. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/312:20 pmMDW - MIA
1 stop8h 39mMultiple Airlines
vie. 1/105:45 amMIA - MDW
3 stops55h 03mMultiple Airlines
Deal found 12/17$229
This United Airlines deal was found by Cheapflights users on 12/17. 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.
mar. 12/316:00 amORD - MIA
Nonstop3h 18mUnited Airlines
sáb. 1/119:00 amMIA - ORD
Nonstop3h 34mUnited Airlines
Deal found 12/17$297
This Delta deal was found by Cheapflights users on 12/18. 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. 12/315:57 pmORD - MIA
1 stop5h 25mDelta
sáb. 1/116:00 amMIA - ORD
1 stop4h 55mDelta
Deal found 12/18$307
This Southwest deal was found by Cheapflights users on 12/16. 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.
mar. 12/311:30 pmMDW - MIA
2 stops7h 30mSouthwest
jue. 1/98:25 amMIA - MDW
2 stops11h 10mSouthwest
Deal found 12/16$364

Find flights from Chicago to Key Largo within your budget

Customize your flight search to find flights from Chicago to Key Largo 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 diciembre 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoMiami

ORD - MIA

ORDMIA

Chicago O'Hare Intl

jue. 1/23

2:02 pm-6:16 pm

Nonstop3h 14m

Miami

mar. 1/28

7:00 am-1:36 pm

1 stop7h 36m

$125

ChicagoMiami

MDW - MIA

MDWMIA

Chicago Midway

lun. 1/13

6:15 am-12:48 pm

1 stop5h 33m

Miami

jue. 1/16

1:36 pm-6:26 pm

1 stop5h 50m

$126

ChicagoMiami

ORD - MIA

ORDMIA

Chicago O'Hare Intl

mié. 2/5

2:02 pm-6:16 pm

Nonstop3h 14m

Miami

sáb. 2/8

1:55 pm-12:51 am

1 stop11h 56m

$127

ChicagoMiami

ORD - MIA

ORDMIA

Chicago O'Hare Intl

sáb. 2/15

7:25 am-11:20 pm

1 stop14h 55m

Miami

mié. 2/19

10:45 am-4:31 pm

1 stop6h 46m

$131

ChicagoMiami

MDW - MIA

MDWMIA

Chicago Midway

jue. 1/16

4:08 pm-12:52 pm

1 stop19h 44m

Miami

jue. 1/23

5:45 am-6:26 pm

2 stops13h 41m

$154

ChicagoMiami

MDW - MIA

MDWMIA

Chicago Midway

mié. 1/22

6:10 pm-10:10 pm

Nonstop3h 00m

Miami

mar. 1/28

4:40 pm-6:55 pm

Nonstop3h 15m

$158

ChicagoMiami

ORD - MIA

ORDMIA

Chicago O'Hare Intl

lun. 1/13

9:05 am-7:35 pm

1 stop9h 30m

Miami

jue. 1/16

6:32 am-3:44 pm

1 stop10h 12m

$196

ChicagoMiami

ORD - MIA

ORDMIA

Chicago O'Hare Intl

sáb. 1/11

5:55 pm-12:51 am

1 stop5h 56m

Miami

sáb. 1/18

8:00 am-1:28 pm

1 stop6h 28m

$216

ChicagoMiami

MDW - MIA

MDWMIA

Chicago Midway

mar. 1/14

10:57 am-5:00 pm

1 stop5h 03m

Miami

sáb. 1/25

6:00 am-10:12 am

1 stop5h 12m

$216

ChicagoMiami

ORD - MIA

ORDMIA

Chicago O'Hare Intl

mié. 1/8

10:09 am-2:33 pm

Nonstop3h 24m

Miami

sáb. 1/11

6:30 am-8:58 am

Nonstop3h 28m

$234

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 23 results
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Best time to book a flight from Chicago to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo 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 Key Largo

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

How far ahead should I book a flight from Chicago to Key Largo?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Key Largo. Price data was last updated on December 13, 2024.

The best time to book flights from Chicago to Key Largo is 30 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Chicago to Key Largo?

Currently, September is the cheapest month in which you can book a flight from Chicago to Key Largo (average of $218). Flying from Chicago to Key Largo in March is currently the most expensive (average of $286). 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 KE9?

Find hourly flight availability from Chicago to Key Largo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 18, 2024.

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

What is the cheapest day to fly from Chicago to Key Largo?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Key Largo. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Chicago to Key Largo flight should consider departing on Tuesday evenings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Chicago to Key Largo

Explore weekly flight availability from Chicago to Key Largo. 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 diciembre 18, 2024.

The most flights from CHI to KE9 are scheduled on a Wednesday (48 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Key Largo by month

Plan your trip to Key Largo by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Key Largo ranges from 1.6 - 9.9 inches per month. September is typically the wettest month, when rainfall can reach 9.9 in. January is typically the driest time to visit Key Largo when rainfall is around 1.6 in.

Temperature in Key Largo by month

Plan your trip to Key Largo by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Key Largo, 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 68.0 F).

Reviews of airlines servicing Key Largo

Get insights into the airlines that provide service to Key Largo. 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 Key Largo. Reviews last updated diciembre 18, 2024.
Peruse reviews from past customers who have flown with Frontier, Spirit Airlines and Delta from Chicago to Key Largo to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,848 reviews

Entertainment

7.7

Boarding

8.2

Crew

8.7

Comfort

8.1

Food

7.2

Overall

8.1

Reviews

1 / 10

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
4,848 reviews
Southwest
8.1
Very good
4,848 reviews

Entertainment

7.7

Boarding

8.2

Crew

8.7

Comfort

8.1

Food

7.2

Overall

8.1

Reviews

1 / 10

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
9,554 reviews
Southwest
8.1
Very good
4,848 reviews

Entertainment

7.7

Boarding

8.2

Crew

8.7

Comfort

8.1

Food

7.2

Overall

8.1

Reviews

1 / 10

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
8,604 reviews
Southwest
8.1
Very good
4,848 reviews

Entertainment

7.7

Boarding

8.2

Crew

8.7

Comfort

8.1

Food

7.2

Overall

8.1

Reviews

1 / 10

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
3,279 reviews
Southwest
8.1
Very good
4,848 reviews

Entertainment

7.7

Boarding

8.2

Crew

8.7

Comfort

8.1

Food

7.2

Overall

8.1

Reviews

1 / 10

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
9,055 reviews
Southwest
8.1
Very good
4,848 reviews

Entertainment

7.7

Boarding

8.2

Crew

8.7

Comfort

8.1

Food

7.2

Overall

8.1

Reviews

1 / 10

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 Key Largo. 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 Key Largo one-way?

    The cheapest airlines for a one-way flight from Chicago to Key Largo are Frontier ($59), Spirit Airlines ($67), and United Airlines ($79).

  • What are the most reliable airlines from Chicago to Key Largo?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Chicago to Key Largo on time: ANA (100%), Avianca (93%), Royal Air Maroc (92%).

  • What are the cheapest flights from Chicago to Key Largo?

    On average you can expect to pay $691 for a flight from Chicago to Key Largo. The cheapest flight overall is $67 while the most popular route, (Chicago O'Hare Intl - Miami) is currently priced at $95.

  • Can I find deals for flights from Chicago to Key Largo that include hotel bookings?

    Yes. In addition to deals on Chicago to Key Largo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Key Largo?

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

  • Can I find deals for business class flights from Chicago to Key Largo?

    Yes. Cheapflights offers flight deals from Chicago to Key Largo 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 Key Largo?

    Currently, September is the cheapest month in which you can book a flight from Chicago to Key Largo (average of $218). Flying from Chicago to Key Largo in March is currently the most expensive (average of $286). 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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Top 6 airlines flying from Chicago to Key Largo

Discover the top 6 airlines that operate flights from Chicago to Key Largo. 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 diciembre 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$34Average$174FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$66Average$171FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$158Average$382FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$181Average$396FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$188Average$376FlexibilityNo cancel feeOn-time63%
DeltaCheapest$215Average$430FlexibilityNo cancel feeOn-timeN/A
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