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Cheap flights from Trenton, New Jersey to Key West from $255

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Trenton, New Jersey to Key West departing on 4/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Trenton, New Jersey to Key West

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:00 am - 11:11 am
TTN
-
EYW
27h 11m
1 stop
Multiple Airlines Logo
1:06 pm - 11:59 pm
EYW
-
TTN
10h 53m
1 stop
$255Multiple Airlines
Tue, Apr 14 - Fri, Apr 17
Multiple Airlines Logo
7:15 pm - 1:37 pm
TTN
-
EYW
18h 22m
1 stop
Multiple Airlines Logo
12:25 pm - 6:25 pm
EYW
-
TTN
6h 00m
1 stop
$348Multiple Airlines
Sun, Apr 5 - Thu, Apr 9
Multiple Airlines Logo
8:00 am - 11:11 am
TTN
-
EYW
27h 11m
1 stop
Multiple Airlines Logo
5:48 pm - 11:59 pm
EYW
-
TTN
30h 11m
2 stops
$382Multiple Airlines
Tue, Apr 14 - Fri, Apr 17
Multiple Airlines Logo
7:15 pm - 1:35 pm
TTN
-
EYW
18h 20m
1 stop
Multiple Airlines Logo
1:06 pm - 11:59 pm
EYW
-
TTN
10h 53m
1 stop
$386Multiple Airlines
Thu, Apr 16 - Mon, Apr 20
Multiple Airlines Logo
7:15 pm - 12:26 pm
TTN
-
EYW
17h 11m
2 stops
Multiple Airlines Logo
12:25 pm - 6:25 pm
EYW
-
TTN
6h 00m
1 stop
$392Multiple Airlines
Sun, Apr 5 - Thu, Apr 9
Multiple Airlines Logo
6:00 am - 9:06 am
TTN
-
EYW
27h 06m
1 stop
Multiple Airlines Logo
12:25 pm - 6:25 pm
EYW
-
TTN
6h 00m
1 stop
$393Multiple Airlines
Sat, Apr 4 - Thu, Apr 9
Multiple Airlines Logo
7:15 pm - 1:35 pm
TTN
-
EYW
18h 20m
1 stop
Multiple Airlines Logo
1:06 pm - 11:59 pm
EYW
-
TTN
10h 53m
1 stop
$396Multiple Airlines
Thu, Apr 16 - Mon, Apr 20
Multiple Airlines Logo
12:28 pm - 3:27 pm
TTN
-
EYW
26h 59m
1 stop
Multiple Airlines Logo
12:05 pm - 9:47 am
EYW
-
TTN
21h 42m
1 stop
$402Multiple Airlines
Sat, Jul 18 - Sun, Jul 26
Multiple Airlines Logo
11:48 am - 2:38 pm
TTN
-
EYW
26h 50m
1 stop
Multiple Airlines Logo
12:25 pm - 6:25 pm
EYW
-
TTN
6h 00m
1 stop
$404Multiple Airlines
Fri, Apr 3 - Thu, Apr 9
Multiple Airlines Logo
1:26 pm - 9:06 am
TTN
-
EYW
19h 40m
1 stop
Multiple Airlines Logo
2:48 pm - 10:58 am
EYW
-
TTN
20h 10m
1 stop
$410Multiple Airlines
Wed, Apr 8 - Sun, Apr 12

momondo Fare Finder

 
Customize your flight search to find flights from Trenton, New Jersey 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, momondo users made 832,500 searches. Data last updated March 24, 2026.
Use the filters below to find and compare flights from Trenton, New Jersey 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 4/14

8:00 am-11:11 am

1 stop27h 11m

Key West

Fri 4/17

1:06 pm-11:59 pm

1 stop10h 53m

$255

TrentonKey West

TTN - EYW

TTNEYW

Trenton-Mercer

Sun 4/5

7:15 pm-1:37 pm

1 stop18h 22m

Key West

Thu 4/9

12:25 pm-6:25 pm

1 stop6h 00m

$348

TrentonKey West

TTN - EYW

TTNEYW

Trenton-Mercer

Tue 4/14

8:00 am-11:11 am

1 stop27h 11m

Key West

Fri 4/17

5:48 pm-11:59 pm

2 stops30h 11m

$382

TrentonKey West

TTN - EYW

TTNEYW

Trenton-Mercer

Thu 4/16

7:15 pm-1:35 pm

1 stop18h 20m

Key West

Mon 4/20

1:06 pm-11:59 pm

1 stop10h 53m

$386
Quickest round-trip

TrentonKey West

TTN - EYW

TTNEYW

Trenton-Mercer

Sun 4/5

7:15 pm-12:26 pm

2 stops17h 11m

Key West

Thu 4/9

12:25 pm-6:25 pm

1 stop6h 00m

$392

TrentonKey West

TTN - EYW

TTNEYW

Trenton-Mercer

Sat 4/4

6:00 am-9:06 am

1 stop27h 06m

Key West

Thu 4/9

12:25 pm-6:25 pm

1 stop6h 00m

$393

TrentonKey West

TTN - EYW

TTNEYW

Trenton-Mercer

Thu 4/16

7:15 pm-1:35 pm

1 stop18h 20m

Key West

Mon 4/20

1:06 pm-11:59 pm

1 stop10h 53m

$396

TrentonKey West

TTN - EYW

TTNEYW

Trenton-Mercer

Sat 7/18

12:28 pm-3:27 pm

1 stop26h 59m

Key West

Sun 7/26

12:05 pm-9:47 am

1 stop21h 42m

$402

TrentonKey West

TTN - EYW

TTNEYW

Trenton-Mercer

Fri 4/3

11:48 am-2:38 pm

1 stop26h 50m

Key West

Thu 4/9

12:25 pm-6:25 pm

1 stop6h 00m

$404

TrentonKey West

TTN - EYW

TTNEYW

Trenton-Mercer

Wed 4/8

1:26 pm-9:06 am

1 stop19h 40m

Key West

Sun 4/12

2:48 pm-10:58 am

1 stop20h 10m

$410

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Key West from

How to get the cheapest flight ticket from Trenton, New Jersey to Key West

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Key West?

On average, the least expensive day to fly to Key West from Trenton, New Jersey is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $431. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Trenton, New Jersey to Key West for around $571.

What is the cheapest time of day to depart on your flight to Key West?

According to our data, the cheapest time of day to fly to Key West is in the morning. momondo users have found flights departing from Trenton, New Jersey to Key West in the morning for as low as $481. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Key West are more costly at noon, with an average ticket price of $500. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Trenton, New Jersey to Key West

Are you open to changing your travel dates? Check out the ideal times to fly from Trenton, New Jersey to Key West according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Trenton, New Jersey to Key West (TTN to EYW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Trenton, New Jersey to Key West

Fastest flight time

18h 20m

Direct flights

None
The fastest flight from Trenton, New Jersey to Key West takes 18h 20m
There are no direct flights from Trenton, New Jersey to Key West. There are no popular flight routes from Trenton, New Jersey to Key West.
Search flight deals

  • How far is Trenton-Mercer to Key West by plane?

    The straight-line distance from Trenton-Mercer to Key West is 1155.9 mi. Typically, this will take 18h 20m by plane in normal conditions.

  • When did momondo last update prices for flights from Trenton-Mercer Airport to Key West Airport?

    Prices for flights from Trenton-Mercer Airport to Key West Airport are updated daily.

  • How old do you have to be to fly from Trenton-Mercer Airport to Key West Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Trenton-Mercer Airport to Key West Airport.

  • What documentation or ID do you need to fly to Key West Airport?

    The required travel and health documents for your Key West Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Key West Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Key West?

Book flights to Key West if you plan to visit one of these locations
Big Pine Key
Little Torch Key

Why use momondo?

Why should I use momondo to find a flight deal from Trenton to Key West?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Trenton to Key West for you.

Can I find flights from Trenton to Key West with flexible booking policies on momondo?

All flight searches from Trenton to Key West on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Trenton to Key West?

Once all potential Trenton to Key West flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Trenton to Key West right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Key West from Trenton. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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