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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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — MIA
nov. 19 — nov. 261
mar. 11/19
mar. 11/26
1 adult, Economy
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The best prices from Chicago to Key Largo are usually found in July or September, booked 20 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 noviembre 14, 2024.

Popular in

March

Cheapest in

July

Round-trip from

$87
(eDestinos)

One-way from

$59
(Kiwi.com)
High demand for flights, 24% potential price rise
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Best time to find cheap flights, 23% potential price drop
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From Chicago (CHI) to Key Largo
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One-way flight from Chicago (CHI) to Key Largo
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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 noviembre 14, 2024.

This FlightHub deal was found by Cheapflights users on 11/14. 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. 12/48:02 pmORD - MIA
Nonstop3h 18mMultiple Airlines
mié. 12/118:00 amMIA - ORD
1 stop31h 00mMultiple Airlines
Deal found 11/14$119
This Frontier deal was found by Cheapflights users on 11/12. 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. 12/175:38 pmORD - MIA
1 stop5h 21mFrontier
mar. 12/244:40 pmMIA - ORD
1 stop8h 19mFrontier
Deal found 11/12$120
This Kiwi.com deal was found by Cheapflights users on 11/14. 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.
lun. 11/188:31 pmMDW - MIA
Nonstop3h 17mFrontier
sáb. 11/2311:42 amMIA - MDW
Nonstop3h 19mFrontier
Deal found 11/14$120
This eDestinos deal was found by Cheapflights users on 11/13. 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. 12/38:02 pmORD - MIA
Nonstop3h 18mSpirit Airlines
jue. 12/54:38 pmMIA - ORD
Nonstop3h 29mSpirit Airlines
Deal found 11/13$123
This eDestinos deal was found by Cheapflights users on 11/13. 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.
sáb. 11/236:48 pmMDW - MIA
1 stop14h 12mMultiple Airlines
lun. 11/257:50 amMIA - MDW
1 stop10h 11mMultiple Airlines
Deal found 11/13$210
This Delta deal was found by Cheapflights users on 11/14. 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.
sáb. 12/75:20 pmORD - MIA
1 stop5h 33mDelta
mié. 12/116:00 amMIA - ORD
1 stop7h 48mDelta
Deal found 11/14$216
This Delta deal was found by Cheapflights users on 11/14. 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. 12/1012:44 pmMDW - MIA
1 stop7h 40mDelta
mar. 12/176:00 amMIA - MDW
1 stop4h 50mDelta
Deal found 11/14$216
This Southwest deal was found by Cheapflights users on 11/14. 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.
dom. 12/1511:25 amMDW - MIA
Nonstop3h 05mSouthwest
mié. 1/154:40 pmMIA - MDW
Nonstop3h 15mSouthwest
Deal found 11/14$218
This American Airlines deal was found by Cheapflights users on 11/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/108:15 amORD - MIA
1 stop5h 35mAmerican Airlines
mar. 12/177:00 pmMIA - ORD
Nonstop3h 34mAmerican Airlines
Deal found 11/13$237

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 2,752,363 searches. Data last updated noviembre 14, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoMiami

ORD - MIA

ORDMIA

Chicago O'Hare Intl

mié. 12/4

8:02 pm-12:20 am

Nonstop3h 18m

Miami

mié. 12/11

8:00 am-2:00 pm

1 stop31h 00m

$119

ChicagoMiami

MDW - MIA

MDWMIA

Chicago Midway

vie. 12/6

7:25 am-11:38 am

Nonstop3h 13m

Miami

lun. 12/9

8:06 am-1:40 pm

1 stop6h 34m

$120

ChicagoMiami

ORD - MIA

ORDMIA

Chicago O'Hare Intl

mar. 12/3

8:02 pm-12:20 am

Nonstop3h 18m

Miami

mar. 1/28

10:00 am-12:29 pm

Nonstop3h 29m

$123

ChicagoMiami

ORD - MIA

ORDMIA

Chicago O'Hare Intl

vie. 1/24

7:25 am-1:54 am

1 stop17h 29m

Miami

mar. 1/28

7:00 am-1:36 pm

1 stop7h 36m

$129

ChicagoMiami

ORD - MIA

ORDMIA

Chicago O'Hare Intl

mar. 12/10

4:45 pm-9:00 pm

Nonstop3h 15m

Miami

sáb. 12/14

6:59 pm-9:34 pm

Nonstop3h 35m

$172

ChicagoMiami

MDW - MIA

MDWMIA

Chicago Midway

mar. 1/7

6:10 pm-10:10 pm

Nonstop3h 00m

Miami

jue. 1/9

4:40 pm-6:55 pm

Nonstop3h 15m

$178

ChicagoMiami

MDW - MIA

MDWMIA

Chicago Midway

jue. 12/12

12:36 pm-3:07 pm

2 stops25h 31m

Miami

jue. 12/19

5:40 am-12:03 pm

1 stop7h 23m

$214

ChicagoMiami

ORD - MIA

ORDMIA

Chicago O'Hare Intl

sáb. 12/7

5:55 pm-12:50 am

1 stop5h 55m

Miami

mar. 12/10

8:30 am-12:48 pm

1 stop5h 18m

$216

ChicagoMiami

MDW - MIA

MDWMIA

Chicago Midway

mar. 1/7

5:07 pm-12:51 am

1 stop6h 44m

Miami

jue. 1/23

6:00 am-10:12 am

1 stop5h 12m

$216

ChicagoMiami

ORD - MIA

ORDMIA

Chicago O'Hare Intl

mar. 2/11

2:59 pm-10:59 pm

1 stop7h 00m

$59

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/14

Showing 1-10 of 20 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 November 8, 2024.

The best time to book flights from Chicago to Key Largo is 20 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 noviembre 14, 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 November 10, 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. Friday mornings 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 noviembre 14, 2024.

The most flights from CHI to KE9 are scheduled on a Monday (42 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (34 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 noviembre 14, 2024.
Peruse reviews from past customers who have flown with Frontier, Spirit Airlines and Southwest 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
5,045 reviews

Entertainment

7.7

Boarding

8.3

Crew

8.7

Overall

8.1

Food

7.2

Comfort

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
5,045 reviews
Southwest
8.1
Very good
5,045 reviews

Entertainment

7.7

Boarding

8.3

Crew

8.7

Overall

8.1

Food

7.2

Comfort

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
8,788 reviews
Southwest
8.1
Very good
5,045 reviews

Entertainment

7.7

Boarding

8.3

Crew

8.7

Overall

8.1

Food

7.2

Comfort

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
7.5
Good
3,447 reviews
Southwest
8.1
Very good
5,045 reviews

Entertainment

7.7

Boarding

8.3

Crew

8.7

Overall

8.1

Food

7.2

Comfort

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
9,194 reviews
Southwest
8.1
Very good
5,045 reviews

Entertainment

7.7

Boarding

8.3

Crew

8.7

Overall

8.1

Food

7.2

Comfort

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.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,045 reviews

Entertainment

7.7

Boarding

8.3

Crew

8.7

Overall

8.1

Food

7.2

Comfort

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 Spirit Airlines ($59), Frontier ($59), and Southwest ($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: Royal Jordanian (97%), Spirit Airlines (96%), American Airlines (94%).

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

    On average you can expect to pay $685 for a flight from Chicago to Key Largo. The cheapest flight overall is $66 while the most popular route, (Chicago O'Hare Intl - Miami) is currently priced at $96.

  • 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 2,752,363 searches. Data last updated noviembre 14, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$29Average$175FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$58Average$152FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$158Average$369FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$181Average$399FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$188Average$352FlexibilityNo cancel feeOn-time63%
DeltaCheapest$215Average$436FlexibilityNo cancel feeOn-timeN/A
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