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Key Largo

$299+ Cheap flights from Fort Smith (FSM) to Key Largo, FL

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
FSM — MIA
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap flight deals from Fort Smith to Key Largo

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

This American Airlines deal was found by Cheapflights users on 12/15. 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 12/166:28 pmFSM - MIA
1 stop5h 15mAmerican Airlines
Wed 12/175:00 amMIA - FSM
1 stop5h 49mAmerican Airlines
Deal found 12/15$567
This American Airlines deal was found by Cheapflights users on 12/15. 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.
Mon 12/156:28 pmFSM - MIA
1 stop5h 15mAmerican Airlines
Wed 12/175:30 pmMIA - FSM
1 stop5h 58mAmerican Airlines
Deal found 12/15$617
This American Airlines deal was found by Cheapflights users on 12/15. 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 12/166:00 amFSM - MIA
2 stops10h 47mAmerican Airlines
Thu 12/189:59 amMIA - FSM
2 stops13h 28mAmerican Airlines
Deal found 12/15$627
This American Airlines deal was found by Cheapflights users on 12/15. 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.
Wed 12/176:28 pmFSM - MIA
1 stop5h 18mAmerican Airlines
Fri 12/195:00 amMIA - FSM
1 stop5h 46mAmerican Airlines
Deal found 12/15$636
This American Airlines deal was found by Cheapflights users on 12/15. 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.
Wed 12/176:28 pmFSM - MIA
1 stop5h 18mAmerican Airlines
Thu 12/189:59 amMIA - FSM
2 stops13h 28mAmerican Airlines
Deal found 12/15$641
This American Airlines deal was found by Cheapflights users on 12/15. 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.
Wed 12/176:00 amFSM - MIA
1 stop5h 20mAmerican Airlines
Wed 12/175:30 pmMIA - FSM
1 stop5h 58mAmerican Airlines
Deal found 12/15$649
This American Airlines deal was found by Cheapflights users on 12/15. 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.
Mon 12/156:28 pmFSM - MIA
1 stop5h 15mAmerican Airlines
Thu 12/185:00 amMIA - FSM
1 stop5h 46mAmerican Airlines
Deal found 12/15$667
This American Airlines deal was found by Cheapflights users on 12/15. 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.
Mon 12/156:28 pmFSM - MIA
1 stop5h 15mAmerican Airlines
Fri 12/1910:56 pmMIA - FSM
2 stops11h 50mAmerican Airlines
Deal found 12/15$669
This American Airlines deal was found by Cheapflights users on 12/15. 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.
Thu 12/1810:16 amFSM - MIA
2 stops12h 23mAmerican Airlines
Fri 12/1910:56 pmMIA - FSM
2 stops11h 50mAmerican Airlines
Deal found 12/15$674

Find flight deals from Fort Smith to Key Largo

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

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$299
(American Airlines)

Popular in

March

Cheapest in

July

Average price

$454
Provider with most accurate pricing for Fort Smith-Miami flight deals.
Search Deals
Provider most trusted by Cheapflights users for Fort Smith-Miami flights.
Search Deals
From Fort Smith to Key Largo
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

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

Fly from

Fort Smith

Fly to

Key Largo

Route

Depart

Return

Price

Fort SmithMiami

FSM - MIA

FSMMIA

Fort Smith

Tue 4/7

6:43 pm-12:34 am

1 stop4h 51m

Miami

Tue 4/14

6:15 pm-11:39 pm

1 stop6h 24m

$299

Fort SmithMiami

FSM - MIA

FSMMIA

Fort Smith

Sat 1/10

6:27 pm-12:58 am

1 stop5h 31m

Miami

Sat 1/17

5:29 pm-10:46 pm

1 stop6h 17m

$299

Fort SmithMiami

FSM - MIA

FSMMIA

Fort Smith

Wed 5/13

6:43 pm-12:34 am

1 stop4h 51m

Miami

Thu 5/21

7:30 pm-11:36 pm

1 stop5h 06m

$493

Fort SmithMiami

FSM - MIA

FSMMIA

Fort Smith

Sun 12/28

6:00 am-12:25 pm

1 stop5h 25m

Miami

Thu 1/1

10:09 am-5:47 pm

2 stops8h 38m

$895

Fort SmithMiami

FSM - MIA

FSMMIA

Fort Smith

Tue 12/30

6:17 pm-12:37 am

1 stop5h 20m

Miami

Sat 1/3

6:00 am-10:27 pm

1 stop17h 27m

$933

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Best time to book a flight from Fort Smith to Key Largo

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

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

Currently, January is the cheapest month in which you can book a flight from Fort Smith to Key Largo (average of $91). Flying from Fort Smith to Key Largo in November is currently the most expensive (average of $252). 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.

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 December 15, 2025.
Read reviews from past customers who have flown American Airlines from Fort Smith to Key Largo. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,052 reviews

Comfort

7.2

Overall

7.2

Food

6.5

Boarding

7.5

Entertainment

6.9

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break
American Airlines
7.2
Good
11,052 reviews
American Airlines
7.2
Good
11,052 reviews

Comfort

7.2

Overall

7.2

Food

6.5

Boarding

7.5

Entertainment

6.9

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break

Related info for your journey

Find useful and relevant information for your journey from Fort Smith 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 Fort Smith to Key Largo?

    Most people fly from Fort Smith (FSM) if they book a flight from Fort Smith to Key Largo. On average, Fort Smith has 0 outbound flights to Key Largo per day from 1 airline. Fort Smith is conveniently located just 3.8 mi from Fort Smith’s city center.

  • How long is the flight from Fort Smith to Key Largo?

    There are many flights that can get you from Fort Smith to Key Largo in 4h 51m. Fly via American Airlines to get the fastest option. Fort Smith and Key Largo are separated by a distance of 1063 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Fort Smith 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 Fort Smith to Key Largo?

    Currently, January is the cheapest month in which you can book a flight from Fort Smith to Key Largo (average of $91). Flying from Fort Smith to Key Largo in November is currently the most expensive (average of $252). 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 airline flying from Fort Smith to Key Largo

Discover the top airline that operate flights from Fort Smith 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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$388Average$530FlexibilityNo cancel feeOn-time71%

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