What is the most punctual flight time for the United States to Key West flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What is the cheapest airline that flies from United States to Key West?

Spirit Airlines, JetBlue, and Delta are the most popular carriers operating from United States to Key West

How many flights depart from United States to Key West on average per week?

As of January 2026, there are 183 flights per week flying from United States to Key West. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.

How often are flights from the United States to Key West delayed?

Historically, on average around 16% of flights between United States and Key West have experienced a delay on any given week. The average delay length over the past 12 months has been 139 minutes.

Which airline has the best punctuality record on the United States to Key West flights?

According to our data, Allegiant Air have had the least number of delays on this route over the last 12 months; with about 14% of their flights experiencing any sort of delay.

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 United States according to our data. American Airlines is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Key West. Keep in mind that there are 8 different airlines that fly to Key West on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Key West?

If you’re flying from a popular airport in United States, such as Boston or New York, and flying into Key West, then you can expect flight times to average 3h 38m and 5h 21m, respectively.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

How many flights depart from United States to Key West on average per day?

As of January 2026, there are 26 flights per day flying from United States to Key West. The most common time of day flights depart is 3:00PM, with 50% of flights taking off in the afternoon.

When did momondo last update prices for flights from United States to Key West Airport?

Prices for flights from United States to Key West Airport refresh daily.

How many operators does momondo search for flights from United States to Key West Airport?

As of January 2026, there are 5 operators available to choose from for flights from United States to Key West Airport.

How old do you have to be to fly from United States 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 United States 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.

$64 Cheap Flights from the United States to Key West in 2026

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Find the cheapest flights from the United States to Key West

Round-trip

One-way

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Recent round-trip flight deals from the United States to Key West

Enter your travel dates to find the best prices.

8:47 am - 1:30 pm

ATL

EYW

4h 43m

1 stop

2:25 pm - 11:03 pm

EYW

ATL

8h 38m

1 stop

$160Spirit Airlines

Thu, Feb 19 - Mon, Feb 23

6:15 am - 12:26 pm

BWI

EYW

6h 11m

1 stop

1:06 pm - 8:19 pm

EYW

BWI

7h 13m

1 stop

$169Multiple Airlines

Mon, Feb 9 - Fri, Feb 13

9:07 am - 1:37 pm

ATL

EYW

4h 30m

1 stop

12:25 pm - 7:12 pm

EYW

ATL

6h 47m

1 stop

$169Spirit Airlines

Fri, Apr 10 - Tue, Apr 14

6:00 am - 1:30 pm

PHL

EYW

7h 30m

1 stop

2:25 pm - 7:52 pm

EYW

PHL

5h 27m

1 stop

$169Spirit Airlines

Sun, Feb 22 - Fri, Feb 27

12:45 pm - 7:44 pm

BOS

EYW

6h 59m

1 stop

6:00 pm - 1:03 am

EYW

BOS

7h 03m

1 stop

$217Delta

Wed, May 27 - Wed, Jun 3

7:05 am - 1:15 pm

BOS

EYW

6h 10m

1 stop

6:40 pm - 11:57 pm

EYW

BOS

5h 17m

1 stop

$230United Airlines

Tue, Feb 24 - Fri, Feb 27

2:17 pm - 5:54 pm

EWR

EYW

3h 37mnonstop

6:35 pm - 11:54 pm

EYW

EWR

5h 19m

1 stop

$260United Airlines

Tue, Feb 24 - Tue, Mar 3

1:59 pm - 6:24 pm

ORD

EYW

3h 25mnonstop

1:55 pm - 7:59 pm

EYW

ORD

7h 04m

1 stop

$289American Airlines

Tue, Feb 24 - Wed, Mar 4

9:00 am - 12:42 pm

LGA

EYW

3h 42mnonstop

7:30 am - 1:41 pm

EYW

LGA

6h 11m

1 stop

$293Delta

Mon, Mar 16 - Wed, Mar 25

9:59 am - 3:57 pm

DCA

EYW

5h 58m

1 stop

5:19 pm - 8:12 pm

EYW

DCA

2h 53mnonstop

$296American Airlines

Wed, Mar 18 - Wed, Mar 25

United Airlines flights from United States to Key West

Our best United Airlines deals on United States to Key West flight tickets

United Airlines

Feb 24

BOS7:05 amBoston Logan Intl

6h 10m

1 stop

EYW1:15 pmKey West

Feb 27

EYW6:40 pmKey West

5h 17m

1 stop

BOS11:57 pmBoston Logan Intl

$230

United Airlines

Feb 23

BOS12:05 pmBoston Logan Intl

5h 39m

1 stop

EYW5:44 pmKey West

Feb 27

EYW6:40 pmKey West

5h 17m

1 stop

BOS11:57 pmBoston Logan Intl

$231

United Airlines

Feb 24

EWR2:17 pmNewark

3h 37m

EYW5:54 pmKey West

Mar 3

EYW6:35 pmKey West

5h 19m

1 stop

EWR11:54 pmNewark

$260

Allegiant Air flights from United States to Key West

Our best Allegiant Air deals on United States to Key West flight tickets

Allegiant Air

Apr 16

IAD2:01 pmWashington, D.C. Dulles Intl

20h 10m

1 stop

EYW10:11 amKey West

Apr 23

EYW9:58 amKey West

27h 35m

1 stop

IAD1:33 pmWashington, D.C. Dulles Intl

$315

Allegiant Air

Mar 15

IAD9:04 amWashington, D.C. Dulles Intl

25h 07m

1 stop

EYW10:11 amKey West

Mar 19

EYW4:41 pmKey West

21h 19m

2 stops

IAD2:00 pmWashington, D.C. Dulles Intl

$370

Fly from

Fly to

Route

Depart

Return

Price

AtlantaKey West

ATL - EYW

ATLEYW

Atlanta Hartsfield-Jackson

Thu 2/19

8:47 am-1:30 pm

1 stop4h 43m

Key West

Mon 2/23

2:25 pm-11:03 pm

1 stop8h 38m

$160

BaltimoreKey West

BWI - EYW

BWIEYW

Baltimore/Washington

Mon 2/9

6:15 am-12:26 pm

1 stop6h 11m

Key West

Fri 2/13

1:06 pm-8:19 pm

1 stop7h 13m

$169

AtlantaKey West

ATL - EYW

ATLEYW

Atlanta Hartsfield-Jackson

Fri 4/10

9:07 am-1:37 pm

1 stop4h 30m

Key West

Tue 4/14

12:25 pm-7:12 pm

1 stop6h 47m

$169

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Sun 2/22

6:00 am-1:30 pm

1 stop7h 30m

Key West

Fri 2/27

2:25 pm-7:52 pm

1 stop5h 27m

$169

BostonKey West

BOS - EYW

BOSEYW

Boston Logan Intl

Wed 5/27

12:45 pm-7:44 pm

1 stop6h 59m

Key West

Wed 6/3

6:00 pm-1:03 am

1 stop7h 03m

$217

BostonKey West

BOS - EYW

BOSEYW

Boston Logan Intl

Tue 2/24

7:05 am-1:15 pm

1 stop6h 10m

Key West

Fri 2/27

6:40 pm-11:57 pm

1 stop5h 17m

$230

NewarkKey West

EWR - EYW

EWREYW

Newark

Tue 2/24

2:17 pm-5:54 pm

Nonstop3h 37m

Key West

Tue 3/3

6:35 pm-11:54 pm

1 stop5h 19m

$260

ChicagoKey West

ORD - EYW

ORDEYW

Chicago O'Hare Intl

Tue 2/24

1:59 pm-6:24 pm

Nonstop3h 25m

Key West

Wed 3/4

1:55 pm-7:59 pm

1 stop7h 04m

$289

New YorkKey West

LGA - EYW

LGAEYW

New York LaGuardia

Mon 3/16

9:00 am-12:42 pm

Nonstop3h 42m

Key West

Wed 3/25

7:30 am-1:41 pm

1 stop6h 11m

$293

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Wed 3/18

9:59 am-3:57 pm

1 stop5h 58m

Key West

Wed 3/25

5:19 pm-8:12 pm

Nonstop2h 53m

$296

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from United States 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

Delays

Other information

What is the cheapest month to fly to Key West?

In general, January is the cheapest month to fly from United States to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $419. If you are unable to visit Key West during the month of January, then departing from United States during the month July is also very affordable. Most momondo users find prices during this month for around $422.

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 United States is on a Saturday. momondo users have found tickets for Saturday 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 United States to Key West for around $585.

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 United States to Key West in the morning for as low as $491. 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 $553. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest United States to Key West flight route?

Fly from Orlando to Key West for the best United States - Key West flight prices

What cabin class options are available on United States to Key West flights?

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

Can stopping save me money on United States to Key West flights?

No. A direct flight is the cheapest option for a flight between United States to Key West.

Cheap United States to Key West flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United States to Key West

Best Price Found	$46
Fastest flight time	0h 47m
Direct flights	Every day
Airports in Key West	1 airport

The best one-way flight to Key West from United States in the past 72 hours is $46. The best round-trip flight deal from United States to Key West found on momondo in the last 72 hours is $78.

The fastest flight from United States to Key West takes 0h 47m

Direct flights go from United States to Key West every day.

There is 1 airport in Key West. From United States there are direct flights to Key West (EYW).

Search flight deals

When did momondo last update prices for flights from United States to Key West Airport?
Prices for flights from United States to Key West Airport refresh daily.
How many operators does momondo search for flights from United States to Key West Airport?
As of January 2026, there are 5 operators available to choose from for flights from United States to Key West Airport.
How old do you have to be to fly from United States 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 United States 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 United States to Key West?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from United States to Key West is Embraer 175 (17.88% of total bookings). The next most popular plane models are Boeing 737-700 (14.91%), Airbus A220-300 (14.91%), and Airbus A319 (14.89%).

Best airlines flying from United States to Key West

Compare and see reviews for airlines that fly from United States to Key West with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $83	Free Cancellation	Rating 6.3 8,387 reviews	Search Spirit Airlines flights
Silver Airways	PriceFrom $86	Free Cancellation	Rating 5.7 234 reviews	Search Silver Airways flights
United Airlines	PriceFrom $86	Free Cancellation	Rating 7.4 9,209 reviews	Search United Airlines flights
Breeze Airways	PriceFrom $98	Free Cancellation	Rating 8.2 263 reviews	Search Breeze Airways flights
Allegiant Air	PriceFrom $106	Free Cancellation	Rating 7.2 706 reviews	Search Allegiant Air flights
JetBlue	PriceFrom $117	Free Cancellation	Rating 7.2 2,891 reviews	Search JetBlue flights
Delta	PriceFrom $168	Free Cancellation	Rating 7.9 8,124 reviews	Search Delta flights
American Airlines	PriceFrom $179	Free Cancellation	Rating 7.2 11,201 reviews	Search American Airlines flights

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Little Torch Key

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from United States to Key West. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Key West from United States with this policy.

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

Once all potential United States 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 United States to Key West right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Key West from United States. 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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Cheap flights from the United States to Key West from $64

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Key West departing on 2/23. 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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See travel insights to Key West from

How to get the cheapest flight ticket from United States to Key West

What is the cheapest month to fly to Key West?

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

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

What is the cheapest United States to Key West flight route?

Fly from Orlando to Key West for the best United States - Key West flight prices

What cabin class options are available on United States to Key West flights?

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

Can stopping save me money on United States to Key West flights?

No. A direct flight is the cheapest option for a flight between United States to Key West.

What is the cheapest airline that flies from United States to Key West?

Spirit Airlines, JetBlue, and Delta are the most popular carriers operating from United States to Key West

What airlines fly to Key West?

How often are flights from the United States to Key West delayed?

Historically, on average around 16% of flights between United States and Key West have experienced a delay on any given week. The average delay length over the past 12 months has been 139 minutes.

What is the most punctual flight time for the United States to Key West flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on the United States to Key West flights?

According to our data, Allegiant Air have had the least number of delays on this route over the last 12 months; with about 14% of their flights experiencing any sort of delay.

How many flights depart from United States to Key West on average per day?

As of January 2026, there are 26 flights per day flying from United States to Key West. The most common time of day flights depart is 3:00PM, with 50% of flights taking off in the afternoon.

How many flights depart from United States to Key West on average per week?

As of January 2026, there are 183 flights per week flying from United States to Key West. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.

How long does it take to fly to Key West?

If you’re flying from a popular airport in United States, such as Boston or New York, and flying into Key West, then you can expect flight times to average 3h 38m and 5h 21m, respectively.

Cheap United States to Key West flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United States to Key West

Best Price Found

Fastest flight time

Direct flights

Airports in Key West

When did momondo last update prices for flights from United States to Key West Airport?

How many operators does momondo search for flights from United States to Key West Airport?

How old do you have to be to fly from United States to Key West Airport?

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

What is the most popular plane model from United States to Key West?

Best airlines flying from United States to Key West

Compare and see reviews for airlines that fly from United States to Key West with momondo

Traveling to a place near Key West?

Why use momondo?

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

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

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

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

An easier way to manage your Key West trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Florida