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Key West

$130+ Cheap flights from Trenton, NJ to Key West (TTN - EYW)

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 4/16. Fares are subject to change and may not be available on all flights or dates of travel.
TTN — EYW
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
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 March 10, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/5. 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 4/218:00 am
TTN
-
EYW
1 stop27h 11m
Multiple Airlines
Fri 4/241:06 pm
EYW
-
TTN
1 stop10h 53m
Multiple Airlines
Deal found 3/5$228
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 4/206:00 am
TTN
-
EYW
1 stop6h 26m
Multiple Airlines
Fri 4/241:06 pm
EYW
-
TTN
1 stop10h 53m
Multiple Airlines
Deal found 3/5$241
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 3/233:52 pm
TTN
-
EYW
1 stop20h 29m
Multiple Airlines
Fri 3/271:06 pm
EYW
-
TTN
1 stop25h 13m
Multiple Airlines
Deal found 3/8$269
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 8/1512:28 pm
TTN
-
EYW
1 stop26h 59m
Allegiant Air
Sat 8/223:52 pm
EYW
-
TTN
1 stop25h 47m
Allegiant Air
Deal found 3/6$289
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 4/27:15 pm
TTN
-
EYW
1 stop18h 22m
Multiple Airlines
Thu 4/912:25 pm
EYW
-
TTN
1 stop6h 00m
Multiple Airlines
Deal found 3/5$343
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 3/2011:48 am
TTN
-
EYW
1 stop26h 54m
Multiple Airlines
Tue 3/2412:25 pm
EYW
-
TTN
2 stops35h 34m
Multiple Airlines
Deal found 3/5$359
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 3/224:01 pm
TTN
-
EYW
1 stop17h 08m
Multiple Airlines
Thu 3/2610:33 pm
EYW
-
TTN
1 stop12h 25m
Multiple Airlines
Deal found 3/6$360

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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$228
(Kiwi.com)

One-way from

$130
(Kiwi.com)

Popular in

April

Cheapest in

September

Average price

$494
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
One-way flight from Trenton-Mercer to Key West
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 10, 2026.
Use the filters below to find and compare flights from Trenton to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TrentonKey West

TTN - EYW

TTNEYW

Trenton-Mercer

Tue 4/21

8:00 am-11:11 am

1 stop27h 11m

Key West

Fri 4/24

1:06 pm-11:59 pm

1 stop10h 53m

$228

TrentonKey West

TTN - EYW

TTNEYW

Trenton-Mercer

Mon 3/23

3:52 pm-12:21 pm

1 stop20h 29m

Key West

Fri 3/27

1:06 pm-2:19 pm

1 stop25h 13m

$269

TrentonKey West

TTN - EYW

TTNEYW

Trenton-Mercer

Sat 8/15

12:28 pm-3:27 pm

1 stop26h 59m

Key West

Sat 8/22

3:52 pm-5:39 pm

1 stop25h 47m

$289

TrentonKey West

TTN - EYW

TTNEYW

Trenton-Mercer

Mon 4/20

6:00 am-12:26 pm

1 stop6h 26m

Key West

Fri 4/24

2:30 pm-6:12 pm

2 stops27h 42m

$346

TrentonKey West

TTN - EYW

TTNEYW

Trenton-Mercer

Sun 3/22

4:01 pm-9:09 am

1 stop17h 08m

Key West

Thu 3/26

10:33 pm-10:58 am

1 stop12h 25m

$360
Quickest round-trip

TrentonKey West

TTN - EYW

TTNEYW

Trenton-Mercer

Thu 4/2

7:15 pm-2:03 pm

2 stops18h 48m

Key West

Thu 4/9

12:25 pm-6:25 pm

1 stop6h 00m

$401

TrentonKey West

TTN - EYW

TTNEYW

Trenton-Mercer

Wed 4/15

8:00 am-9:06 am

1 stop25h 06m

Key West

Fri 4/17

1:06 pm-11:59 pm

1 stop10h 53m

$421

TrentonKey West

TTN - EYW

TTNEYW

Trenton-Mercer

Fri 3/27

11:48 am-2:43 pm

1 stop26h 55m

Key West

Tue 3/31

12:25 pm-11:36 am

2 stops23h 11m

$469

TrentonKey West

TTN - EYW

TTNEYW

Trenton-Mercer

Sun 3/29

4:01 pm-9:09 am

1 stop17h 08m

Key West

Sun 4/5

10:32 pm-10:58 am

1 stop12h 26m

$478
Cheapest one-way
Quickest one-way

TrentonKey West

TTN - EYW

TTNEYW

Trenton-Mercer

Thu 4/16

7:15 pm-1:35 pm

1 stop18h 20m

$130

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/6

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

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Trenton, New Jersey-Key West flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 $131). Flying from Trenton, New Jersey to Key West in December is currently the most expensive (average of $265). 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.

  • How long is the flight from Trenton, New Jersey to Key West?

    Airlines like Allegiant Air fly from Trenton, New Jersey to Key West in about 26h 59m. The time it takes to get you to your destination can typically vary by up to . The distance between Trenton, New Jersey and Key West is about 1157 mi.

  • 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 $131). Flying from Trenton, New Jersey to Key West in December is currently the most expensive (average of $265). 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

Browse thousands of different options on Cheapflights for your next trip

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