What airlines fly to Key West?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Key West from Trenton, New Jersey according to our data. American Airlines is the first choice among our users, with 66% of people opting to fly with this airline when traveling to Key West. Keep in mind that there are 4 different airlines that fly to Key West on a routine basis, so you have a few additional options to choose from.

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.

$386 Cheap Flights from Trenton to Key West in 2025/26

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

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Cheap round-trip flights

Enter your travel dates to find the best prices.

9:59 pm - 12:26 pmTTN-EYW

14h 27m1 stop

9:46 am - 9:04 pmEYW-TTN

11h 18m1 stop

$399Multiple Airlines

Find Deal

Thu, Feb 19 - Sun, Feb 22

6:00 am - 8:15 amTTN-EYW

26h 15m1 stop

8:55 am - 5:35 pmEYW-TTN

8h 40m1 stop

$488Multiple Airlines

Find Deal

Thu, Oct 30 - Mon, Nov 3

4:27 pm - 8:15 amTTN-EYW

15h 48m1 stop

8:55 am - 3:21 pmEYW-TTN

6h 26m1 stop

$499Multiple Airlines

Find Deal

Thu, Oct 30 - Sun, Nov 2

6:10 am - 3:31 pmTTN-EYW

9h 21m1 stop

9:46 am - 9:04 pmEYW-TTN

11h 18m1 stop

$516Multiple Airlines

Find Deal

Thu, Feb 12 - Sun, Feb 15

6:00 am - 8:15 amTTN-EYW

26h 15m1 stop

11:11 am - 11:59 pmEYW-TTN

12h 48m2 stops

$537Multiple Airlines

Find Deal

Thu, Oct 30 - Mon, Nov 3

4:27 pm - 9:16 amTTN-EYW

16h 49m2 stops

8:55 am - 3:21 pmEYW-TTN

6h 26m1 stop

$555Multiple Airlines

Find Deal

Thu, Oct 30 - Sun, Nov 2

9:59 pm - 12:30 pmTTN-EYW

14h 31m1 stop

3:14 pm - 11:59 pmEYW-TTN

8h 45m1 stop

$613Multiple Airlines

Find Deal

Sun, Dec 28 - Sat, Jan 3

9:59 pm - 8:39 amTTN-EYW

34h 40m2 stops

3:14 pm - 11:59 pmEYW-TTN

8h 45m1 stop

$631Multiple Airlines

Find Deal

Sun, Dec 28 - Sat, Jan 3

6:10 am - 3:31 pmTTN-EYW

9h 21m1 stop

2:25 pm - 9:04 pmEYW-TTN

30h 39m2 stops

$712Multiple Airlines

Find Deal

Thu, Feb 12 - Sun, Feb 15

momondo Fare Finder

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

TrentonKey West

TTN - EYW

TTNEYW

Trenton-Mercer

Thu 2/19

9:59 pm-12:26 pm

1 stop14h 27m

Key West

Sun 2/22

9:46 am-9:04 pm

1 stop11h 18m

$399

TrentonKey West

TTN - EYW

TTNEYW

Trenton-Mercer

Thu 10/30

6:00 am-8:15 am

1 stop26h 15m

Key West

Mon 11/3

8:55 am-5:35 pm

1 stop8h 40m

$488

TrentonKey West

TTN - EYW

TTNEYW

Trenton-Mercer

Thu 10/30

4:27 pm-8:15 am

1 stop15h 48m

Key West

Sun 11/2

8:55 am-3:21 pm

1 stop6h 26m

$499

TrentonKey West

TTN - EYW

TTNEYW

Trenton-Mercer

Thu 2/12

6:10 am-3:31 pm

1 stop9h 21m

Key West

Sun 2/15

9:46 am-9:04 pm

1 stop11h 18m

$516

TrentonKey West

TTN - EYW

TTNEYW

Trenton-Mercer

Thu 10/30

6:00 am-8:15 am

1 stop26h 15m

Key West

Mon 11/3

11:11 am-11:59 pm

2 stops12h 48m

$537

TrentonKey West

TTN - EYW

TTNEYW

Trenton-Mercer

Thu 10/30

4:27 pm-9:16 am

2 stops16h 49m

Key West

Sun 11/2

8:55 am-3:21 pm

1 stop6h 26m

$555

TrentonKey West

TTN - EYW

TTNEYW

Trenton-Mercer

Sun 12/28

9:59 pm-12:30 pm

1 stop14h 31m

Key West

Sat 1/3

3:14 pm-11:59 pm

1 stop8h 45m

$613

TrentonKey West

TTN - EYW

TTNEYW

Trenton-Mercer

Sun 12/28

9:59 pm-8:39 am

2 stops34h 40m

Key West

Sat 1/3

3:14 pm-11:59 pm

1 stop8h 45m

$631

TrentonKey West

TTN - EYW

TTNEYW

Trenton-Mercer

Thu 2/12

6:10 am-3:31 pm

1 stop9h 21m

Key West

Sun 2/15

2:25 pm-9:04 pm

2 stops30h 39m

$712

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Prices

Airlines

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 $436. 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 $624.

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 afternoon. momondo users have found flights departing from Trenton, New Jersey to Key West in the afternoon for as low as $348. 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 in the evening, with an average ticket price of $686. Departure times in the evening 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

Direct flights	None

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.

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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 9h 21m 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.

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.