$122+ 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
TTN — EYW
Oct 8 — Oct 151
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Trenton to Key West with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Trenton to Key West
Cheapest
Best
Last-minute
One-way
Cheapest flights from Trenton to Key WestExplore 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 September 8, 2026.
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 September 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/28:44 pm -
1 stop12h 40m
Wed 10/710:04 am -
1 stop24h 35m
Deal found 9/7![Multiple Airlines logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Sun 11/1511:33 am -
1 stop26h 28m
Fri 11/2010:59 am -
1 stop23h 35m
Deal found 9/5![Multiple Airlines logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 12/311:23 am -
1 stop22h 56m
Sat 12/1210:45 am -
2 stops24h 30m
Deal found 9/3![Multiple Airlines logo]()
$382
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 9/197:39 pm -
1 stop14h 40m
Wed 9/2310:04 am -
2 stops25h 19m
Deal found 9/3![Multiple Airlines logo]()
$441
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 9/118:44 pm -
1 stop12h 40m
Mon 9/1410:59 am -
1 stop7h 43m
Deal found 9/3![Multiple Airlines logo]()
$623
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 9/217:39 pm -
3 stops37h 45m
Fri 9/2510:59 am -
1 stop7h 43m
Deal found 9/5![Multiple Airlines logo]()
$694
Best flights from Trenton to Key WestDiscover carefully curated flight deals from Trenton to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.
Discover carefully curated flight deals from Trenton to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Fri 10/28:44 pm -
1 stop12h 40m
Wed 10/710:04 am -
2 stops31h 44m
Deal found 9/8![Multiple Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Sun 11/1511:33 am -
1 stop26h 28m
Fri 11/2010:59 am -
1 stop23h 35m
Deal found 9/5![Multiple Airlines logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 12/311:23 am -
1 stop22h 56m
Sat 12/1210:45 am -
2 stops24h 30m
Deal found 9/3![Multiple Airlines logo]()
$382
This Mytrip deal was found by Cheapflights users on 9/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:19 pm -
2 stops38h 45m
Sat 12/1210:45 am -
3 stops31h 54m
Deal found 9/3![Breeze Airways logo]()
$1,023
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 9/197:39 pm -
1 stop14h 40m
Wed 9/2310:04 am -
2 stops25h 19m
Deal found 9/3![Multiple Airlines logo]()
$441
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 9/217:39 pm -
3 stops37h 45m
Fri 9/2510:59 am -
1 stop7h 43m
Deal found 9/5![Multiple Airlines logo]()
$694
This KAYAK deal was found by Cheapflights users on 9/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:27 pm -
2 stops41h 09m
Fri 11/2011:59 am -
2 stops31h 55m
Deal found 9/5![Breeze Airways logo]()
$1,043
Last-minute flights from Trenton to Key WestDiscover last-minute flight deals from Trenton to Key West. Data last updated September 8, 2026 and is based on user searches.
Discover last-minute flight deals from Trenton to Key West. Data last updated September 8, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 9/118:44 pm -
1 stop12h 40m
Mon 9/1410:59 am -
1 stop7h 43m
Deal found 9/3![Multiple Airlines logo]()
$623
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 9/197:39 pm -
1 stop14h 40m
Wed 9/2310:04 am -
2 stops25h 19m
Deal found 9/3![Multiple Airlines logo]()
$441
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 9/217:39 pm -
3 stops37h 45m
Fri 9/2510:59 am -
1 stop7h 43m
Deal found 9/5![Multiple Airlines logo]()
$694
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/28:44 pm -
1 stop12h 40m
Wed 10/710:04 am -
1 stop24h 35m
Deal found 9/7![Multiple Airlines logo]()
$183
One-way flights from Trenton to Key WestSearch for one-way flight options from Trenton to Key West. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
Search for one-way flight options from Trenton to Key West. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Sun 11/1511:33 am -
1 stop26h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Allegiant Air logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 11/168:01 pm -
3 stops37h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Sun 11/157:23 pm -
2 stops16h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Sun 11/157:27 pm -
3 stops16h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Breeze Airways logo]()
$209
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 September 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $183 (Kiwi.com) |
One-way from | $122 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $441 |
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 7,457,451 searches. Data last updated September 8, 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
Cheapest round-trip
Quickest round-trip
TrentonKey West
TTN Trenton-Mercer - EYW Key West
TTNEYW
Trenton-Mercer
Sun 11/15
11:33 am-2:01 pm
1 stop26h 28m
Key West
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$122
TrentonKey West
TTN Trenton-Mercer - EYW Key West
TTNEYW
Trenton-Mercer
Mon 11/16
8:01 pm-9:24 am
3 stops37h 23m
Key West
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$130
TrentonKey West
TTN Trenton-Mercer - EYW Key West
TTNEYW
Trenton-Mercer
Fri 10/2
8:44 pm-9:24 am
1 stop12h 40m
Key West
Wed 10/7
10:04 am-5:48 pm
2 stops31h 44m
$309
TrentonKey West
TTN Trenton-Mercer - EYW Key West
TTNEYW
Trenton-Mercer
Sun 11/15
11:33 am-2:01 pm
1 stop26h 28m
Key West
Fri 11/20
10:59 am-10:34 am
1 stop23h 35m
$347
TrentonKey West
TTN Trenton-Mercer - EYW Key West
TTNEYW
Trenton-Mercer
Thu 12/3
11:23 am-10:19 am
1 stop22h 56m
Key West
Sat 12/12
10:45 am-11:15 am
2 stops24h 30m
$382
TrentonKey West
TTN Trenton-Mercer - EYW Key West
TTNEYW
Trenton-Mercer
Sat 9/19
7:39 pm-10:19 am
1 stop14h 40m
Key West
Wed 9/23
10:04 am-11:23 am
2 stops25h 19m
$441
TrentonKey West
TTN Trenton-Mercer - EYW Key West
TTNEYW
Trenton-Mercer
Mon 9/21
7:39 pm-9:24 am
3 stops37h 45m
Key West
Fri 9/25
10:59 am-6:42 pm
1 stop7h 43m
$694
TrentonKey West
TTN Trenton-Mercer - EYW Key West
TTNEYW
Trenton-Mercer
Thu 12/3
7:19 pm-10:04 am
2 stops38h 45m
Key West
Sat 12/12
10:45 am-6:39 pm
3 stops31h 54m
$1,023
TrentonKey West
TTN Trenton-Mercer - EYW Key West
TTNEYW
Trenton-Mercer
Sun 11/15
7:27 pm-12:36 pm
2 stops41h 09m
Key West
Fri 11/20
11:59 am-7:54 pm
2 stops31h 55m
$1,043
Sorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
TTN-EYW
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.
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Key West flight routes
Other flight options
Other flights from Trenton
Popular flights