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Key Largo

$125+ Cheap flights from Trenton, NJ (TTN) 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 6/7. Fares are subject to change and may not be available on all flights or dates of travel.
TTN — MIA
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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Cheap flight deals from Trenton to Key Largo

Keep the following information in mind while searching for Trenton to Key Largo flight deals. Data was last updated March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$258
(Frontier)

One-way from

$125
(Flightnetwork)

Popular in

December

Cheapest in

February

Average price

$199
Provider with most accurate pricing for New York (NYC)-Miami flight deals.
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From Trenton-Mercer to Key Largo
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One-way flight from Trenton-Mercer to Key Largo
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Highest demand for flights based on searches. 6% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Trenton to Key Largo

Cheapest flights from Trenton to Key Largo
Explore the most affordable flight options available from Trenton to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

This Frontier deal was found by Cheapflights users on 3/23. 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 6/64:30 pmTTN - MIA
1 stop5h 34mFrontier
Mon 6/99:10 amMIA - TTN
1 stop6h 35mFrontier
Deal found 3/23$258

Cheapflights Fare Finder

Customize your flight search to find flights from Trenton 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 March 25, 2025.
Use the filters below to find and compare flights from Trenton to Key Largo that are best for you.

Fly from

Trenton

Fly to

Key Largo

Route

Depart

Return

Price

TrentonMiami

TTN - MIA

TTNMIA

Trenton-Mercer

Fri 6/6

4:30 pm-10:04 pm

1 stop5h 34m

Miami

Mon 6/9

9:10 am-3:45 pm

1 stop6h 35m

$258

TrentonMiami

TTN - MIA

TTNMIA

Trenton-Mercer

Sat 6/7

4:30 pm-10:04 pm

1 stop5h 34m

$125

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Best time to book a flight from Trenton to Key Largo

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

What is the cheapest month to book a flight from Trenton, New Jersey to Key Largo?

Currently, September is the cheapest month in which you can book a flight from Trenton, New Jersey to Key Largo (average of $229). Flying from Trenton, New Jersey 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 TTN to KE9?

Find hourly flight availability from Trenton 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 March 25, 2025.

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

What is the cheapest day to fly from Trenton, New Jersey to Key Largo?

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

Travelers seeking maximum savings on their Trenton, New Jersey to Key Largo flight should consider departing on Monday afternoons 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.

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 March 25, 2025.
Frontier
6.0
Okay
3,273 reviews

Crew

6.8

Boarding

6.2

Comfort

5.6

Food

4.8

Overall

6.0

Entertainment

4.6

Reviews

1 / 20
2.0
Mediocre

Mood Happy,Mar 2025

ONT - DFW

Very bad experience. Next time not going to this flight
Frontier
6.0
Okay
3,273 reviews
Frontier
6.0
Okay
3,273 reviews

Crew

6.8

Boarding

6.2

Comfort

5.6

Food

4.8

Overall

6.0

Entertainment

4.6

Reviews

1 / 20
2.0
Mediocre

Mood Happy,Mar 2025

ONT - DFW

Very bad experience. Next time not going to this flight

Related info for your journey

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

    Most people fly from Trenton-Mercer (TTN) if they book a flight from Trenton to Key Largo. On average, Trenton-Mercer has 0 outbound flights to Key Largo per day from 2 airlines. Trenton-Mercer is conveniently located just 4.8 mi from Trenton’s city center.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Trenton 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 Trenton, New Jersey to Key Largo?

    Currently, September is the cheapest month in which you can book a flight from Trenton, New Jersey to Key Largo (average of $229). Flying from Trenton, New Jersey 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.

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Top 2 airlines flying from Trenton to Key Largo

Discover the top 2 airlines that operate flights from Trenton 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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$47Average$146FlexibilityNo cancel feeOn-time65%
FrontierCheapest$70Average$206FlexibilityNo cancel feeOn-time62%
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