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Cheap flights from New York LaGuardia Airport to Key West from $110

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New York LaGuardia Airport to Key West departing on 12/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from New York LaGuardia Airport to Key West

Cheap round-trip flights

Multiple Airlines Logo
4:40 pm - 8:15 amLGA-EYW
15h 35m2 stops
Multiple Airlines Logo
2:25 pm - 10:00 amEYW-LGA
19h 35m1 stop
$302Multiple Airlines
Find Deal
Thu, Nov 6 - Sun, Nov 9
American Airlines Logo
10:27 am - 2:10 pmLGA-EYW
3h 43mnonstop
American Airlines Logo
2:39 pm - 5:57 pmEYW-LGA
3h 18mnonstop
$304American Airlines
Find Deal
Sat, Nov 8 - Wed, Nov 12
Multiple Airlines Logo
12:45 pm - 10:07 amLGA-EYW
21h 22m2 stops
Multiple Airlines Logo
2:25 pm - 8:02 pmEYW-LGA
5h 37m1 stop
$305Multiple Airlines
Find Deal
Fri, Dec 5 - Sun, Dec 7
Multiple Airlines Logo
12:45 pm - 10:07 amLGA-EYW
21h 22m2 stops
Multiple Airlines Logo
2:25 pm - 8:02 pmEYW-LGA
5h 37m1 stop
$306Multiple Airlines
Find Deal
Fri, Dec 5 - Sun, Dec 7
Multiple Airlines Logo
5:30 pm - 10:31 amLGA-EYW
17h 01m1 stop
Multiple Airlines Logo
8:55 am - 7:34 pmEYW-LGA
10h 39m2 stops
$307Multiple Airlines
Find Deal
Thu, Nov 6 - Sun, Nov 9
Delta Logo
11:59 am - 8:06 pmLGA-EYW
8h 07m1 stop
Delta Logo
3:10 pm - 6:15 pmEYW-LGA
3h 05mnonstop
$308Delta
Find Deal
Wed, Nov 5 - Sat, Nov 8
Delta Logo
12:00 pm - 8:03 pmLGA-EYW
8h 03m1 stop
Delta Logo
1:40 pm - 4:45 pmEYW-LGA
3h 05mnonstop
$309Delta
Find Deal
Tue, Dec 2 - Sat, Dec 6
Multiple Airlines Logo
5:55 am - 2:40 pmLGA-EYW
8h 45m1 stop
Multiple Airlines Logo
11:45 am - 11:00 amEYW-LGA
23h 15m2 stops
$312Multiple Airlines
Find Deal
Thu, Oct 9 - Tue, Oct 14
American Airlines Logo
10:26 am - 2:09 pmLGA-EYW
3h 43mnonstop
American Airlines Logo
2:41 pm - 5:59 pmEYW-LGA
3h 18mnonstop
$313American Airlines
Find Deal
Wed, Nov 5 - Sat, Nov 8
Spirit Airlines Logo
6:05 am - 1:30 pmLGA-EYW
7h 25m1 stop
Spirit Airlines Logo
2:25 pm - 7:11 pmEYW-LGA
4h 46m1 stop
$355Spirit Airlines
Find Deal
Fri, Nov 7 - Sun, Nov 9

Delta flights from New York LaGuardia Airport to Key West

Our best Delta deals on New York LaGuardia Airport to Key West flight tickets
Delta
Nov 5
LGA11:59 amNew York LaGuardia
8h 07m
1 stop
EYW8:06 pmKey West
Nov 8
EYW3:10 pmKey West
3h 05m
LGA6:15 pmNew York LaGuardia
$308
Find similar
Delta
Dec 2
LGA12:00 pmNew York LaGuardia
8h 03m
1 stop
EYW8:03 pmKey West
Dec 6
EYW1:40 pmKey West
3h 05m
LGA4:45 pmNew York LaGuardia
$309
Find similar
Delta
Nov 15
LGA1:59 pmNew York LaGuardia
5h 54m
1 stop
EYW7:53 pmKey West
Nov 22
EYW1:30 pmKey West
3h 11m
LGA4:41 pmNew York LaGuardia
$318
Find similar

American Airlines flights from New York LaGuardia Airport to Key West

Our best American Airlines deals on New York LaGuardia Airport to Key West flight tickets
American Airlines
Nov 8
LGA10:27 amNew York LaGuardia
3h 43m
EYW2:10 pmKey West
Nov 12
EYW2:39 pmKey West
3h 18m
LGA5:57 pmNew York LaGuardia
$304
Find similar
American Airlines
Nov 5
LGA10:26 amNew York LaGuardia
3h 43m
EYW2:09 pmKey West
Nov 8
EYW2:41 pmKey West
3h 18m
LGA5:59 pmNew York LaGuardia
$313
Find similar
American Airlines
Nov 1
LGA3:00 pmNew York LaGuardia
6h 56m
1 stop
EYW9:56 pmKey West
Nov 4
EYW2:39 pmKey West
3h 18m
LGA5:57 pmNew York LaGuardia
$314
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from New York LaGuardia Airport 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 September 24, 2025.
Use the filters below to find and compare flights from New York LaGuardia Airport to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New YorkKey West

LGA - EYW

LGAEYW

New York LaGuardia

Thu 11/6

4:40 pm-8:15 am

2 stops15h 35m

Key West

Sun 11/9

2:25 pm-10:00 am

1 stop19h 35m

$302

New YorkKey West

LGA - EYW

LGAEYW

New York LaGuardia

Sat 11/8

10:27 am-2:10 pm

Nonstop3h 43m

Key West

Wed 11/12

2:39 pm-5:57 pm

Nonstop3h 18m

$304

New YorkKey West

LGA - EYW

LGAEYW

New York LaGuardia

Fri 12/5

12:45 pm-10:07 am

2 stops21h 22m

Key West

Sun 12/7

2:25 pm-8:02 pm

1 stop5h 37m

$305

New YorkKey West

LGA - EYW

LGAEYW

New York LaGuardia

Fri 12/5

12:45 pm-10:07 am

2 stops21h 22m

Key West

Sun 12/7

2:25 pm-8:02 pm

1 stop5h 37m

$306

New YorkKey West

LGA - EYW

LGAEYW

New York LaGuardia

Thu 11/6

5:30 pm-10:31 am

1 stop17h 01m

Key West

Sun 11/9

8:55 am-7:34 pm

2 stops10h 39m

$307

New YorkKey West

LGA - EYW

LGAEYW

New York LaGuardia

Wed 11/5

11:59 am-8:06 pm

1 stop8h 07m

Key West

Sat 11/8

3:10 pm-6:15 pm

Nonstop3h 05m

$308

New YorkKey West

LGA - EYW

LGAEYW

New York LaGuardia

Tue 12/2

12:00 pm-8:03 pm

1 stop8h 03m

Key West

Sat 12/6

1:40 pm-4:45 pm

Nonstop3h 05m

$309

New YorkKey West

LGA - EYW

LGAEYW

New York LaGuardia

Thu 10/9

5:55 am-2:40 pm

1 stop8h 45m

Key West

Tue 10/14

11:45 am-11:00 am

2 stops23h 15m

$312

New YorkKey West

LGA - EYW

LGAEYW

New York LaGuardia

Wed 11/5

10:26 am-2:09 pm

Nonstop3h 43m

Key West

Sat 11/8

2:41 pm-5:59 pm

Nonstop3h 18m

$313

New YorkKey West

LGA - EYW

LGAEYW

New York LaGuardia

Fri 11/7

6:05 am-1:30 pm

1 stop7h 25m

Key West

Sun 11/9

2:25 pm-7:11 pm

1 stop4h 46m

$355

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Key West from

How to get the cheapest flight ticket from New York LaGuardia Airport 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 month to fly to Key West?

In general, January is the cheapest month to fly from New York LaGuardia Airport to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $385. If you are unable to visit Key West during the month of January, then departing from New York LaGuardia Airport during the month June is also very affordable. Most momondo users find prices during this month for around $386.

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 New York LaGuardia Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $432. 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 New York LaGuardia Airport to Key West for around $621.

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 New York LaGuardia Airport 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.

What is the cheapest New York LaGuardia to Key West flight route?

Fly from New York LaGuardia to Key West for the best New York LaGuardia - Key West flight prices

How far in advance should I book a flight to Key West?

You are more likely to see cheaper flights to Key West from New York LaGuardia Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Key West for around $467 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Key West from New York LaGuardia Airport for as low as $387 on momondo.

What cabin class options are available on New York LaGuardia to Key West flights?

There are 4 cabin classes available to choose from on New York LaGuardia to Key West flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

When to book flights from New York LaGuardia Airport to Key West

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

Cheap New York LaGuardia Airport to Key West (LGA to EYW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New York LaGuardia Airport to Key West

Best Price Found

$318

Fastest flight time

3h 35m

Direct flights

Every day

Airports in Key West

1 airport
The best one-way flight to Key West from New York LaGuardia Airport in the past 72 hours is $318. The best round-trip flight deal from New York LaGuardia Airport to Key West found on momondo in the last 72 hours is $411.
The fastest flight from New York LaGuardia Airport to Key West takes 3h 35m
Direct flights go from New York LaGuardia Airport to Key West every day.
There is 1 airport near Key West: Key West (EYW)
Search flight deals

  • How far is New York LaGuardia to Key West by plane?

    There are 1209.7 mi between New York LaGuardia and Key West. In terms of flight time, this usually takes a little over 3h 43m.

  • When did momondo last update prices for flights from New York LaGuardia Airport to Key West Airport?

    Prices for flights from New York LaGuardia Airport to Key West Airport were last updated today.

  • How many operators does momondo search for flights from New York LaGuardia Airport to Key West Airport?

  • How old do you have to be to fly from New York LaGuardia Airport to Key West Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from New York LaGuardia 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.

  • What is the most popular plane model from New York LaGuardia Airport to Key West?

  • What is the most popular airline from New York LaGuardia Airport to Key West?

Best airlines flying from New York LaGuardia Airport to Key West

Compare and see reviews for airlines that fly from New York LaGuardia Airport to Key West with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $243Free CancellationRating
7.9
7,973 reviews
Search Delta flights
American AirlinesPriceFrom $289Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

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 New York to Key West?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from New York to Key West. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for New York to Key West flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Key West from New York.

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

Of course. momondo tracks the price of New York to Key West flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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