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Key Largo

$175+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
TTN — MIA
Jun 26 — Jul 31
Fri 6/26
Fri 7/3
1 adult, Economy
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Cheap flight deals from Trenton to Key Largo

One-way flights from Trenton to Key Largo
Search for one-way flight options from Trenton to Key Largo. Find affordable one-way fares based on user searches. Data last updated May 27, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/26. 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 6/34:29 pm
TTN
-
MIA
2 stops27h 45m
Frontier
Deal found 5/26$175
This Kiwi.com deal was found by Cheapflights users on 5/25. 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.
Thu 8/1311:50 am
TTN
-
MIA
2 stops33h 15m
Multiple Airlines
Deal found 5/25$179
This Kiwi.com deal was found by Cheapflights users on 5/26. 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 8/911:50 am
TTN
-
MIA
2 stops33h 15m
Multiple Airlines
Deal found 5/26$192
This Kiwi.com deal was found by Cheapflights users on 5/26. 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.
Thu 6/1111:50 am
TTN
-
MIA
2 stops34h 32m
Multiple Airlines
Deal found 5/26$241
This Kiwi.com deal was found by Cheapflights users on 5/26. 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 6/1411:50 am
TTN
-
MIA
2 stops34h 32m
Multiple Airlines
Deal found 5/26$271
This Kiwi.com deal was found by Cheapflights users on 5/26. 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 8/146:34 pm
TTN
-
MIA
3 stops34h 43m
Multiple Airlines
Deal found 5/26$272
This Kiwi.com deal was found by Cheapflights users on 5/26. 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.
Tue 6/164:43 pm
TTN
-
MIA
2 stops21h 06m
Frontier
Deal found 5/26$273
This Kiwi.com deal was found by Cheapflights users on 5/26. 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 6/174:43 pm
TTN
-
MIA
2 stops30h 20m
Frontier
Deal found 5/26$279
This Kiwi.com deal was found by Cheapflights users on 5/26. 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.
Thu 6/411:50 am
TTN
-
MIA
2 stops32h 24m
Multiple Airlines
Deal found 5/26$280

Find 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 May 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

November

Cheapest in

October

Average price

$141
Provider with most accurate pricing for New York (NYC)-Miami flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Miami flights.
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 May 27, 2026.
Use the filters below to find and compare flights from Trenton to Key Largo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest one-way

TrentonMiami

TTN - MIA

TTNMIA

Trenton-Mercer

Sun 8/9

11:50 am-9:05 pm

2 stops33h 15m

$192

TrentonMiami

TTN - MIA

TTNMIA

Trenton-Mercer

Thu 8/13

11:50 am-8:25 pm

3 stops32h 35m

$237

TrentonMiami

TTN - MIA

TTNMIA

Trenton-Mercer

Thu 6/11

11:50 am-10:22 pm

2 stops34h 32m

$241

TrentonMiami

TTN - MIA

TTNMIA

Trenton-Mercer

Fri 8/14

6:34 pm-5:17 am

3 stops34h 43m

$272

TrentonMiami

TTN - MIA

TTNMIA

Trenton-Mercer

Wed 6/17

4:43 pm-11:03 pm

2 stops30h 20m

$279

TrentonMiami

TTN - MIA

TTNMIA

Trenton-Mercer

Thu 6/4

11:50 am-4:27 pm

3 stops28h 37m

$290

TrentonMiami

TTN - MIA

TTNMIA

Trenton-Mercer

Sat 6/13

4:38 pm-4:31 pm

2 stops23h 53m

$293

TrentonMiami

TTN - MIA

TTNMIA

Trenton-Mercer

Fri 8/14

4:20 pm-7:27 pm

2 stops27h 07m

$320

TrentonMiami

TTN - MIA

TTNMIA

Trenton-Mercer

Fri 7/10

4:20 pm-8:29 pm

2 stops28h 09m

$326
Quickest one-way

TrentonMiami

TTN - MIA

TTNMIA

Trenton-Mercer

Mon 6/15

4:43 pm-1:49 pm

2 stops21h 06m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/26

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

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
No data available for this route at this time. Please check back soon.

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 3 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.

See more FAQs

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Alternative routes for Trenton to Key Largo

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Trenton to Key Largo

Discover the top 3 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 May 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$24Average$117FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$78Average$102FlexibilityNo cancel feeOn-time88%
FrontierCheapest$80Average$199FlexibilityNo cancel feeOn-time62%

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