A beachside restaurant with white tables and chairs, palm trees, and a view of the sea.

$38 Cheap Flights to Key Largo, FL

View $38 flight on Sun, Oct 4, 2026Opens in a new window

Popular airlines to Key Largo

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

How much is the cheapest flight to Key Largo?

Prices were available within the past 7 days and start at $38 for one-way flights and $88 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Delta
United
Southwest Airlines
Frontier Airlines

Alternative airports near Key Largo

Prices were available within the past 7 days. Prices and availability are subject to change.

Frequently asked questions

What month is the cheapest to fly to Key Largo?
The cheapest month to fly to Key Largo is October when there's less demand. Off-peak months are often when you'll find cheap flights. To keep costs down, steer clear of flying during school breaks and major holidays.
Which US cities have the cheapest flights to Key Largo?
Score cheap flights to Key Largo from New York, Atlanta and Chicago. These cities typically offer the lowest fares to this destination. But bear in mind that seasonality, demand and stopovers also influence rates, so remain flexible and book when prices are right.
Which US cities fly direct to Key Largo?
There are 63 US destinations you're able to fly to Key Largo nonstop from. Explore the options by selecting the "Direct flights only" box on Expedia and find the best departure point for you. Here are some of the top cities to jet off from:
  • New York
  • Atlanta
  • Chicago
  • Dallas
  • Newark
How to find a cheap flight to Key Largo?
Book your trip early to snag cheap flights to Key Largo. Also, consider traveling during off-peak months like September and October. If you jet off on a Thursday, you'll save 16% on average compared to those departing on a Sunday.* Save time searching every day and create a price alert on the Expedia app. We'll send you a notification when fares change.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
How to get a cheap last-minute flight to Key Largo?
While booking in advance is generally the easiest way to save money, don't panic if your Key Largo trip is last minute. It's still possible to find cheap flights to Key Largo, especially if your plans have some flexibility. Try changing your travel dates, looking at different ticket types or jetting out of an alternative hub.
How far in advance should I book a flight to Key Largo?
Book your flight to Key Largo two to four months ahead if you're taking off from an international destination. For domestic travel, the general guideline is 28 days in advance. Cheaper tickets and a wider variety of travel dates, schedules and seating options are just a few of the benefits of booking early.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which day of the week is the cheapest day to buy a plane ticket to Key Largo?
You can generally get cheap flights to Key Largo on a Sunday. You can save around 8% on average compared to booking on a Friday, which is often the most expensive day for tickets.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which airlines fly to Key Largo?
Key Largo is accessible from 162 airports worldwide through 45 airlines, with Miami Intl. Airport (MIA) as its primary gateway. Choose from these leading airlines to Key Largo when organizing your journey:
  • American Airlines
  • Delta Air Lines
  • Copa Airlines
  • United Airlines
Where do you fly into Key Largo?
Key Largo's main airport is Miami Intl. Airport (MIA). If you want more nearby choices when flying to Key Largo, consider Ocean Reef Club, FL (OCA), Homestead Air Reserve Base Airport (HST) or Miami Executive Airport (TMB). You can also fly to Key Largo through Marathon, FL (MTH-Florida Keys Marathon).
How far is the airport from central Key Largo?
You'll be about 50 mi north of central Key Largo after jetting into Miami Intl. Airport (MIA).
Can I save money by booking a Key Largo trip package?
Bundle your flight and hotel and you could save hundreds of dollars. What's more, you can add extras like tours and car rentals to your Key Largo flight and hotel package deal. With Expedia, it's easy to look after all your Key Largo travel plans in the same place.
Can I change or cancel my flight to Key Largo?
If you booked your flight to Key Largo within the last 24 hours, you can often change or cancel it without fees. After that, additional costs may apply depending on the airline's terms and conditions. To learn more, visit our Customer Service Portal. Remember that some flights are non-refundable, so you may be issued a credit for a future flight in place of a direct refund. When searching on Expedia, use the "No cancel fee" or "Changes included" boxes to find fares with flexible change policies.

*Flight schedules are subject to change.

*Available to One Key members.

Book with confidence

Key Largo Flights

Are tropical sunsets and sandy coves on your vacation wish list? You'll be able to bury your stress on the beaches of Key Largo, Florida. Your relaxing stay in paradise can begin the moment you find cheap rates on Key Largo airfare. Expedia.com makes it easy to search for amazing discounts on flights to Key Largo. Our offers make it possible to book your airplane reservation to paradise without any added stress or unnecessary hassles. Key Largo is a place where people enjoy thousands of hours of sunshine every year, Expedia.com is the place where you can find thousands of ways to save on your vacation.

Expedia puts everything you need to book a great family adventure, romantic getaway, or solo vacation right at your fingertips. We collaborate with all major airline carriers to offer you a huge variety of flights to Key Largo. All you have to do is browse our list of airports to locate Key Largo flights departing from a city near you. Our convenient online tools make it possible to search for cheap offers based on the specific city, budget, and airline carrier you prefer. You can forget about spending hours visiting multiple websites to track down deals, we’ve eliminated the stress of searching all over the internet for the best prices on plane tickets. We know how much you like the idea of booking your tickets to Key Largo without breaking a sweat.

Our commitment to helping you save money doesn't stop with cheap flights to Key Largo. We can show you terrific vacation packages, hotel deals, and tours to help you lower the total cost of your trip. You can count on us for helpful information until the moment you kiss the sand goodbye on your last day of vacation. Dreamy vacation packages and cheap flights to Key Largo are always in high demand, buy your tickets soon to avoid missing out on amazing specials. Are you ready to sip drinks from exotic coconut shells and dance with dolphins? Expedia can introduce you to amazing discount rates on Key Largo flights today.

Key Largo Flights

Travel information

Destination airport
Miami Intl.
Destination airport IATA code
MIA
Destination city name
Miami
Roundtrip price
$88

Trending flights to Key Largo

Prices were available within the past 7 days and start at $38 for one-way flights and $88 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines

Explore a world of travel with Expedia