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Key Largo

$104+ Cheap flights from Sacramento (SMF) 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — MIA
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Sacramento Intl to Key Largo are usually found in May or January, booked 18 days in advance, depart on a Tuesday or Monday and return on a Friday

Cheap flight deals from Sacramento to Key Largo

Keep the following information in mind while searching for Sacramento to Key Largo flight deals. Data was last updated September 15, 2025.

Round-trip from

$206
(Frontier)

One-way from

$104
(Priceline)

Popular in

December

Cheapest in

May

Average price

$471
From Sacramento Intl to Key Largo
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One-way flight from Sacramento Intl to Key Largo
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Highest demand for flights based on searches. 4% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Sacramento to Key Largo

Cheapest flights from Sacramento to Key Largo
Explore the most affordable flight options available from Sacramento to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Frontier deal was found by Cheapflights users on 9/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2812:06 pmSMF - MIA
1 stop9h 38mFrontier
Thu 10/26:00 amMIA - SMF
1 stop8h 21mFrontier
Deal found 9/13$215
This Frontier deal was found by Cheapflights users on 9/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1612:21 pmSMF - MIA
1 stop14h 58mFrontier
Thu 10/236:43 pmMIA - SMF
2 stops19h 43mFrontier
Deal found 9/14$224
This Frontier deal was found by Cheapflights users on 9/12. 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.
Thu 11/134:11 pmSMF - MIA
2 stops11h 08mFrontier
Mon 11/176:00 amMIA - SMF
1 stop9h 18mFrontier
Deal found 9/12$230
This American Airlines deal was found by Cheapflights users on 9/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1811:56 amSMF - MIA
1 stop8h 27mAmerican Airlines
Sat 10/258:30 amMIA - SMF
1 stop10h 13mAmerican Airlines
Deal found 9/12$243
This Priceline deal was found by Cheapflights users on 9/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/212:06 pmSMF - MIA
1 stop9h 38mFrontier
Sun 10/56:00 amMIA - SMF
1 stop8h 21mFrontier
Deal found 9/14$252
This American Airlines deal was found by Cheapflights users on 9/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/286:00 amSMF - MIA
1 stop7h 37mAmerican Airlines
Thu 10/304:51 pmMIA - SMF
1 stop8h 40mAmerican Airlines
Deal found 9/12$254
This Frontier deal was found by Cheapflights users on 9/12. 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.
Thu 10/163:19 pmSMF - MIA
2 stops12h 00mFrontier
Sun 10/196:00 amMIA - SMF
1 stop8h 26mFrontier
Deal found 9/12$259
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/246:30 amSMF - MIA
1 stop9h 25mSpirit Airlines
Wed 10/17:20 pmMIA - SMF
1 stop15h 20mSpirit Airlines
Deal found 9/13$265
This Delta deal was found by Cheapflights users on 9/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/286:15 amSMF - MIA
1 stop8h 38mDelta
Thu 10/308:11 amMIA - SMF
2 stops15h 05mDelta
Deal found 9/12$266
This Orbitz deal was found by Cheapflights users on 9/14. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/16:30 amSMF - MIA
1 stop9h 25mMultiple Airlines
Thu 10/166:00 amMIA - SMF
1 stop8h 26mMultiple Airlines
Deal found 9/14$274

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sacramento 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 September 15, 2025.
Use the filters below to find and compare flights from Sacramento to Key Largo that are best for you.

Fly from

Sacramento

Fly to

Key Largo

Route

Depart

Return

Price

SacramentoMiami

SMF - MIA

SMFMIA

Sacramento Intl

Mon 11/3

11:10 pm-12:05 pm

1 stop9h 55m

Miami

Sat 11/8

6:05 am-11:25 am

1 stop8h 20m

$333

SacramentoMiami

SMF - MIA

SMFMIA

Sacramento Intl

Wed 11/5

6:00 am-5:30 pm

1 stop8h 30m

Miami

Tue 11/11

6:00 am-11:12 am

1 stop8h 12m

$333

SacramentoMiami

SMF - MIA

SMFMIA

Sacramento Intl

Wed 10/29

12:07 pm-12:29 am

1 stop9h 22m

Miami

Sat 11/8

7:36 am-1:57 pm

1 stop9h 21m

$333

SacramentoMiami

SMF - MIA

SMFMIA

Sacramento Intl

Sat 10/11

6:00 am-5:33 pm

1 stop8h 33m

Miami

Sat 10/18

6:35 am-2:39 pm

2 stops11h 04m

$338

SacramentoMiami

SMF - MIA

SMFMIA

Sacramento Intl

Sat 10/25

6:15 am-5:53 pm

1 stop8h 38m

Miami

Fri 10/31

6:00 am-3:59 pm

2 stops12h 59m

$364

SacramentoMiami

SMF - MIA

SMFMIA

Sacramento Intl

Wed 9/24

6:00 am-9:23 pm

2 stops12h 23m

Miami

Wed 10/1

6:30 pm-11:43 pm

1 stop8h 13m

$365

SacramentoMiami

SMF - MIA

SMFMIA

Sacramento Intl

Fri 10/31

6:00 am-8:51 pm

2 stops11h 51m

Miami

Sat 11/8

7:36 am-1:57 pm

1 stop9h 21m

$373

SacramentoMiami

SMF - MIA

SMFMIA

Sacramento Intl

Mon 10/13

10:30 pm-11:04 am

1 stop9h 34m

Miami

Mon 10/20

7:36 am-1:57 pm

1 stop9h 21m

$386

SacramentoMiami

SMF - MIA

SMFMIA

Sacramento Intl

Thu 11/13

7:10 pm-6:25 am

1 stop8h 15m

Miami

Sat 12/6

6:00 am-11:14 am

1 stop8h 14m

$386

SacramentoMiami

SMF - MIA

SMFMIA

Sacramento Intl

Sun 9/28

12:06 pm-12:44 am

1 stop9h 38m

$125

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 20 results
1
2

Best time to book a flight from Sacramento to Key Largo

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

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

Use this chart to determine the optimal time to book a round-trip flight from Sacramento to Key Largo. Price data was last updated on September 12, 2025.

To ensure you get the cheapest price possible for a flight from Sacramento to Key Largo, you should look to book at least 18 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, September is the cheapest month in which you can book a flight from Sacramento to Key Largo (average of $232). Flying from Sacramento to Key Largo in March 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 SMF to KE9?

Find hourly flight availability from Sacramento 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 September 15, 2025.

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

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

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

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

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 September 15, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Sacramento 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.
Delta
8.0
Very good
7,954 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Delta
8.0
Very good
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
United Airlines
7.4
Good
8,929 reviews
Delta
8.0
Very good
7,954 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,954 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Spirit Airlines
6.3
Okay
8,015 reviews
Delta
8.0
Very good
7,954 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Frontier
5.8
Fair
3,172 reviews
Delta
8.0
Very good
7,954 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Related info for your journey

Find useful and relevant information for your journey from Sacramento 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 airport do you fly from for flights from Sacramento to Key Largo?

    If you book a flight to Key Largo from Sacramento, you will be flying from Sacramento Intl, which is the city’s only airport. Sacramento Intl (SMF) is located 9.4 mi from the center of Sacramento. There are 0 flights from Sacramento Intl to Key Largo per day from 7 different airlines.

  • How long is the flight from Sacramento to Key Largo?

    For as low as $333, Southwest can have you in Key Largo from Sacramento in 8h 30m. Sacramento and Key Largo are separated by a distance of 2546 mi. This flight may include one or multiple stops.

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

    While on average a flight from Sacramento to Key Largo is generally $675, our data shows the cheapest flight currently is $252. When looking at the most popular route, (Sacramento Intl - Miami), you can expect to pay $233 for that flight.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Sacramento to Key Largo (average of $232). Flying from Sacramento to Key Largo in March 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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Top 7 airlines flying from Sacramento to Key Largo

Discover the top 7 airlines that operate flights from Sacramento 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$130Average$192FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$140Average$295FlexibilityNo cancel feeOn-time65%
DeltaCheapest$190Average$464FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$219Average$449FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$258Average$473FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$284Average$513FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$316Average$588FlexibilityNo cancel feeOn-time63%

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