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Key West

$248+ Cheap flights from Trenton, NJ to Key West (TTN - EYW)

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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
TTN — EYW
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Trenton to Key West

Cheapest flights from Trenton to Key West
Explore the most affordable flight options available from Trenton to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/11. 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 12/189:59 pmTTN - EYW
1 stop14h 31mMultiple Airlines
Thu 12/258:55 amEYW - TTN
1 stop12h 19mMultiple Airlines
Deal found 12/11$361
This Kiwi.com deal was found by Cheapflights users on 12/10. 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.
Sat 12/209:59 pmTTN - EYW
1 stop10h 16mMultiple Airlines
Wed 12/242:30 pmEYW - TTN
2 stops30h 44mMultiple Airlines
Deal found 12/10$365
This Kiwi.com deal was found by Cheapflights users on 12/9. 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.
Mon 12/226:10 amTTN - EYW
1 stop6h 20mMultiple Airlines
Fri 12/261:10 pmEYW - TTN
1 stop7h 16mMultiple Airlines
Deal found 12/9$447
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 12/259:59 pmTTN - EYW
2 stops15h 31mMultiple Airlines
Mon 12/291:10 pmEYW - TTN
1 stop7h 16mMultiple Airlines
Deal found 12/9$554
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 12/266:10 amTTN - EYW
1 stop6h 20mMultiple Airlines
Tue 12/3012:20 pmEYW - TTN
2 stops35h 39mMultiple Airlines
Deal found 12/11$708

Find flight deals from Trenton to Key West

Discover tips and strategies to find the most affordable flight options for your journey from Trenton (TTN) to Key West (EYW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$248
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$593
Provider with most accurate pricing for Trenton-Mercer-Key West flight deals.
Search Deals
Provider most trusted by Cheapflights users for Trenton-Mercer-Key West flights.
Search Deals
From Trenton-Mercer to Key West
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. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Trenton to Key West 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 12, 2025.
Use the filters below to find and compare flights from Trenton to Key West that are best for you.

Fly from

Trenton

Fly to

Key West

Route

Depart

Return

Price

TrentonKey West

TTN - EYW

TTNEYW

Trenton-Mercer

Wed 3/4

8:10 am-9:06 am

1 stop24h 56m

Key West

Sun 3/8

9:46 am-11:59 pm

1 stop14h 13m

$248

TrentonKey West

TTN - EYW

TTNEYW

Trenton-Mercer

Wed 2/18

8:00 am-9:06 am

1 stop25h 06m

Key West

Sun 2/22

12:15 pm-6:25 pm

1 stop6h 10m

$432

TrentonKey West

TTN - EYW

TTNEYW

Trenton-Mercer

Mon 12/22

6:10 am-12:30 pm

1 stop6h 20m

Key West

Fri 12/26

1:10 pm-8:26 pm

1 stop7h 16m

$447

TrentonKey West

TTN - EYW

TTNEYW

Trenton-Mercer

Thu 12/25

9:59 pm-1:30 pm

2 stops15h 31m

Key West

Mon 12/29

1:10 pm-8:26 pm

1 stop7h 16m

$554

TrentonKey West

TTN - EYW

TTNEYW

Trenton-Mercer

Fri 12/26

6:10 am-12:30 pm

1 stop6h 20m

Key West

Tue 12/30

12:20 pm-11:59 pm

2 stops35h 39m

$708

TrentonKey West

TTN - EYW

TTNEYW

Trenton-Mercer

Thu 3/12

7:15 pm-5:02 pm

2 stops21h 47m

Key West

Sun 3/15

12:25 pm-6:25 pm

1 stop6h 00m

$829

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Compare providers for flights from Trenton to Key West

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Trenton to Key West in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Trenton, New Jersey-Key West flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Trenton, New Jersey-Key West flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Trenton, New Jersey-Key West flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Trenton, New Jersey-Key West flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Trenton, New Jersey-Key West flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Trenton to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West 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 West

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

Currently, May is the cheapest month in which you can book a flight from Trenton, New Jersey to Key West (average of $151). Flying from Trenton, New Jersey to Key West in December is currently the most expensive (average of $267). 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.

Related info for your journey

Find useful and relevant information for your journey from Trenton to Key West. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Trenton to Key West 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 West?

    Currently, May is the cheapest month in which you can book a flight from Trenton, New Jersey to Key West (average of $151). Flying from Trenton, New Jersey to Key West in December is currently the most expensive (average of $267). 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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