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Key Largo

$79+ 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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — MIA
Dec 2 — Dec 91
Tue 12/2
Tue 12/9
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 15 days in advance, depart on a Tuesday or Thursday and return on a Monday

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 November 2, 2025.

This Priceline deal was found by Cheapflights users on 11/2. 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 11/95:56 pmSMF - MIA
1 stop9h 23mFrontier
Sun 11/166:00 amMIA - SMF
1 stop8h 21mFrontier
Deal found 11/2$264
This Frontier deal was found by Cheapflights users on 11/1. 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 12/1212:31 pmSMF - MIA
1 stop13h 48mFrontier
Fri 12/197:05 amMIA - SMF
1 stop13h 16mFrontier
Deal found 11/1$274
This Booking.com deal was found by Cheapflights users on 11/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1312:11 pmSMF - MIA
1 stop15h 08mFrontier
Mon 11/176:00 amMIA - SMF
1 stop9h 18mFrontier
Deal found 11/2$285
This Booking.com deal was found by Cheapflights users on 11/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1312:11 pmSMF - MIA
1 stop15h 08mFrontier
Sun 11/166:00 amMIA - SMF
1 stop8h 21mFrontier
Deal found 11/1$300
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Sun 12/147:41 pmSMF - MIA
2 stops30h 38mFrontier
Fri 12/197:05 amMIA - SMF
1 stop13h 16mFrontier
Deal found 11/2$324
This Orbitz deal was found by Cheapflights users on 11/1. 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.
Sat 12/68:16 amSMF - MIA
1 stop28h 44mAlaska Airlines
Tue 12/95:00 pmMIA - SMF
1 stop18h 31mAlaska Airlines
Deal found 11/1$332
This Delta deal was found by Cheapflights users on 11/2. 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.
Wed 12/312:23 pmSMF - MIA
1 stop9h 23mDelta
Wed 12/103:50 pmMIA - SMF
1 stop10h 09mDelta
Deal found 11/2$333
This Kiwi.com deal was found by Cheapflights users on 11/1. 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.
Wed 12/246:16 pmSMF - MIA
1 stop8h 19mMultiple Airlines
Wed 12/317:00 amMIA - SMF
2 stops13h 21mMultiple Airlines
Deal found 11/1$352
This Kiwi.com deal was found by Cheapflights users on 10/31. 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.
Fri 12/1212:31 pmSMF - MIA
1 stop13h 48mFrontier
Mon 12/156:00 amMIA - SMF
2 stops15h 46mFrontier
Deal found 10/31$358
This Kiwi.com deal was found by Cheapflights users on 10/31. 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.
Fri 11/1411:17 amSMF - MIA
1 stop16h 02mMultiple Airlines
Sun 11/167:20 amMIA - SMF
2 stops31h 58mMultiple Airlines
Deal found 10/31$361

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 November 2, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$264
(Priceline)

One-way from

$79
(Frontier)

Popular in

December

Cheapest in

May

Average price

$485
Provider with most accurate pricing for San Francisco-Miami flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Miami flights.
Search Deals
From Sacramento Intl to Key Largo
Search Deals
One-way flight from Sacramento Intl to Key Largo
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 2, 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

Sat 1/31

5:59 pm-9:24 am

2 stops12h 25m

Miami

Sun 2/15

8:00 am-4:31 pm

1 stop11h 31m

$338

SacramentoMiami

SMF - MIA

SMFMIA

Sacramento Intl

Wed 1/28

8:35 pm-12:05 pm

2 stops12h 30m

Miami

Thu 2/5

7:35 am-3:20 pm

1 stop10h 45m

$340

SacramentoMiami

SMF - MIA

SMFMIA

Sacramento Intl

Sun 1/11

7:08 pm-3:39 pm

1 stop17h 31m

Miami

Sat 1/17

6:34 pm-11:20 am

1 stop19h 46m

$367

SacramentoMiami

SMF - MIA

SMFMIA

Sacramento Intl

Tue 1/6

6:06 am-6:01 pm

1 stop8h 55m

Miami

Thu 1/15

1:21 pm-8:14 pm

1 stop9h 53m

$388

SacramentoMiami

SMF - MIA

SMFMIA

Sacramento Intl

Sun 1/18

5:59 pm-6:38 am

1 stop9h 39m

Miami

Sun 1/25

7:50 am-2:08 pm

1 stop9h 18m

$388

SacramentoMiami

SMF - MIA

SMFMIA

Sacramento Intl

Wed 1/21

6:06 am-6:01 pm

1 stop8h 55m

Miami

Mon 1/26

7:15 am-5:15 pm

2 stops13h 00m

$393

SacramentoMiami

SMF - MIA

SMFMIA

Sacramento Intl

Sat 11/15

9:16 am-12:46 am

2 stops12h 30m

Miami

Mon 11/24

6:00 am-1:54 pm

2 stops10h 54m

$423

SacramentoMiami

SMF - MIA

SMFMIA

Sacramento Intl

Fri 1/30

6:37 pm-5:19 am

2 stops31h 42m

$100

SacramentoMiami

SMF - MIA

SMFMIA

Sacramento Intl

Thu 12/4

11:20 am-8:23 am

2 stops42h 03m

$121

SacramentoMiami

SMF - MIA

SMFMIA

Sacramento Intl

Sat 1/31

10:35 am-9:30 pm

1 stop7h 55m

$167

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/31

Showing 1-10 of 17 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 October 31, 2025.

To ensure you get the cheapest price possible for a flight from Sacramento to Key Largo, you should look to book at least 15 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, May is the cheapest month in which you can book a flight from Sacramento to Key Largo (average of $98). Flying from Sacramento to Key Largo in April is currently the most expensive (average of $179). 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 November 2, 2025.

A simple way to save on the total cost of your ticket is to fly from Sacramento to Key Largo in the afternoon. If you’re flexible enough to do this you can expect to save up to 30% on your trip compared to booking a flight in the morning.

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 Tuesday at noon when fares are most often at their lowest. Thursday at noon 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 November 2, 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
7.9
Good
8,001 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Overall

7.9

Entertainment

7.9

Comfort

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
7.9
Good
8,001 reviews
Delta
7.9
Good
8,001 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Overall

7.9

Entertainment

7.9

Comfort

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
8,997 reviews
Delta
7.9
Good
8,001 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Overall

7.9

Entertainment

7.9

Comfort

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
11,034 reviews
Delta
7.9
Good
8,001 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Overall

7.9

Entertainment

7.9

Comfort

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
8,120 reviews
Delta
7.9
Good
8,001 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Overall

7.9

Entertainment

7.9

Comfort

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
3,118 reviews
Delta
7.9
Good
8,001 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Overall

7.9

Entertainment

7.9

Comfort

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 $338, Delta can have you in Key Largo from Sacramento in 12h 25m. Sacramento and Key Largo are separated by a distance of 2546 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Sacramento to Key Largo one-way?

    One-way options have recently been found by users for as low as $100 on Frontier. Other airlines that offer cheap prices include Southwest from $167 and Delta from $167 one-way.

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

    While on average a flight from Sacramento to Key Largo is generally $814, our data shows the cheapest flight currently is $291. When looking at the most popular route, (Sacramento Intl - Miami), you can expect to pay $324 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, May is the cheapest month in which you can book a flight from Sacramento to Key Largo (average of $98). Flying from Sacramento to Key Largo in April is currently the most expensive (average of $179). 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 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 November 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$130Average$192FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$139Average$295FlexibilityNo cancel feeOn-time65%
DeltaCheapest$190Average$459FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$219Average$432FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$258Average$457FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$284Average$517FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$316Average$587FlexibilityNo cancel feeOn-time63%

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