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

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

Historically, on average around 15% 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 133 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 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 many flights depart from United States to Key West on average per week?

As of December 2025, there are 189 flights per week flying from United States to Key West. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.

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

According to our data, Delta 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 long does it take to fly to Key West?

If you’re flying from a popular airport in United States, such as Miami or Boston, and flying into Key West, then you can expect flight times to average 53m and 3h 38m, respectively.

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

Spirit Airlines, JetBlue, and Allegiant Air 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 day?

As of December 2025, there are 27 flights per day flying from United States to Key West. The most common time of day flights depart is 6:00PM, with 42% of flights taking off in the evening.

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 December 2025, 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.

$78 Cheap Flights from the United States to Key West in 2025/26

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Find the cheapest flights from the United States to Key West

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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.

6:00 am - 1:30 pm

PHL

EYW

7h 30m1 stop

12:51 pm - 8:01 pm

EYW

PHL

7h 10m1 stop

$127Spirit Airlines

Mon, Feb 2 - Thu, Feb 5

6:10 am - 11:20 am

PHL

EYW

5h 10m1 stop

12:51 pm - 8:01 pm

EYW

PHL

7h 10m1 stop

$146Spirit Airlines

Tue, Jan 6 - Thu, Jan 22

11:44 am - 9:26 am

EWR

EYW

21h 42m1 stop

10:06 am - 10:49 am

EYW

EWR

24h 43m1 stop

$169Multiple Airlines

Wed, Jan 21 - Sun, Jan 25

1:02 pm - 12:26 pm

BWI

EYW

23h 24m1 stop

10:06 am - 3:52 pm

EYW

BWI

5h 46m1 stop

$170Multiple Airlines

Sun, Jan 11 - Thu, Jan 15

1:00 pm - 7:42 pm

LGA

EYW

6h 42m1 stop

1:28 pm - 4:32 pm

EYW

LGA

3h 04mnonstop

$269Delta

Tue, Feb 17 - Fri, Feb 27

5:20 am - 3:17 pm

BOS

EYW

9h 57m2 stops

6:05 pm - 11:49 pm

EYW

BOS

5h 44m1 stop

$275United Airlines

Tue, Jan 6 - Tue, Jan 13

5:20 am - 3:12 pm

BOS

EYW

9h 52m2 stops

2:05 pm - 11:49 pm

EYW

BOS

9h 44m2 stops

$276United Airlines

Thu, Jan 1 - Sat, Jan 31

10:00 am - 1:37 pm

LGA

EYW

3h 37mnonstop

6:06 pm - 11:42 pm

EYW

LGA

5h 36m1 stop

$278Delta

Thu, Jan 1 - Wed, Jan 7

8:15 am - 12:32 pm

BOS

EYW

4h 17mnonstop

5:21 pm - 10:19 pm

EYW

BOS

4h 58m1 stop

$282American Airlines

Sat, Jan 10 - Fri, Jan 16

8:00 am - 3:33 pm

BOS

EYW

7h 33m1 stop

1:10 pm - 4:45 pm

EYW

BOS

3h 35mnonstop

$283American Airlines

Thu, Jan 1 - Sat, Jan 31

Spirit Airlines flights from United States to Key West

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

Spirit Airlines

Feb 2

PHL6:00 amPhiladelphia

7h 30m

1 stop

EYW1:30 pmKey West

Feb 5

EYW12:51 pmKey West

7h 10m

1 stop

PHL8:01 pmPhiladelphia

$127

Find similar

Spirit Airlines

Jan 6

PHL6:10 amPhiladelphia

5h 10m

1 stop

EYW11:20 amKey West

Jan 22

EYW12:51 pmKey West

7h 10m

1 stop

PHL8:01 pmPhiladelphia

$146

Find similar

Spirit Airlines

Jan 5

ATL9:01 amAtlanta Hartsfield-Jackson

4h 29m

1 stop

EYW1:30 pmKey West

Jan 12

EYW2:25 pmKey West

6h 24m

1 stop

ATL8:49 pmAtlanta Hartsfield-Jackson

$158

Find similar

United Airlines flights from United States to Key West

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

United Airlines

Jan 7

EWR9:30 amNewark

3h 33m

EYW1:03 pmKey West

Jan 14

EYW2:25 pmKey West

3h 05m

EWR5:30 pmNewark

$229

Find similar

United Airlines

Jan 7

EWR9:30 amNewark

3h 33m

EYW1:03 pmKey West

Jan 14

EYW6:05 pmKey West

5h 54m

1 stop

EWR11:59 pmNewark

$239

Find similar

United Airlines

Jan 1

EWR1:29 pmNewark

3h 44m

EYW5:13 pmKey West

Jan 7

EYW2:25 pmKey West

3h 05m

EWR5:30 pmNewark

$251

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Mon 2/2

6:00 am-1:30 pm

1 stop7h 30m

Key West

Thu 2/5

12:51 pm-8:01 pm

1 stop7h 10m

$127

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Tue 1/6

6:10 am-11:20 am

1 stop5h 10m

Key West

Thu 1/22

12:51 pm-8:01 pm

1 stop7h 10m

$146

NewarkKey West

EWR - EYW

EWREYW

Newark

Wed 1/21

11:44 am-9:26 am

1 stop21h 42m

Key West

Sun 1/25

10:06 am-10:49 am

1 stop24h 43m

$169

BaltimoreKey West

BWI - EYW

BWIEYW

Baltimore/Washington

Sun 1/11

1:02 pm-12:26 pm

1 stop23h 24m

Key West

Thu 1/15

10:06 am-3:52 pm

1 stop5h 46m

$170

New YorkKey West

LGA - EYW

LGAEYW

New York LaGuardia

Tue 2/17

1:00 pm-7:42 pm

1 stop6h 42m

Key West

Fri 2/27

1:28 pm-4:32 pm

Nonstop3h 04m

$269

BostonKey West

BOS - EYW

BOSEYW

Boston Logan Intl

Tue 1/6

5:20 am-3:17 pm

2 stops9h 57m

Key West

Tue 1/13

6:05 pm-11:49 pm

1 stop5h 44m

$275

BostonKey West

BOS - EYW

BOSEYW

Boston Logan Intl

Thu 1/1

5:20 am-3:12 pm

2 stops9h 52m

Key West

Sat 1/31

2:05 pm-11:49 pm

2 stops9h 44m

$276

New YorkKey West

LGA - EYW

LGAEYW

New York LaGuardia

Thu 1/1

10:00 am-1:37 pm

Nonstop3h 37m

Key West

Wed 1/7

6:06 pm-11:42 pm

1 stop5h 36m

$278

BostonKey West

BOS - EYW

BOSEYW

Boston Logan Intl

Sat 1/10

8:15 am-12:32 pm

Nonstop4h 17m

Key West

Fri 1/16

5:21 pm-10:19 pm

1 stop4h 58m

$282

BostonKey West

BOS - EYW

BOSEYW

Boston Logan Intl

Thu 1/1

8:00 am-3:33 pm

1 stop7h 33m

Key West

Sat 1/31

1:10 pm-4:45 pm

Nonstop3h 35m

$283

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, October 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 $408. If you are unable to visit Key West during the month of October, then departing from United States during the month September is also very affordable. Most momondo users find prices during this month for around $410.

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 $595.

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 United States 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 United States to Key West flight route?

Fly from Orlando to Key West for the best United States - 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 United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Key West for around $469 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Key West from United States for as low as $256 on momondo.

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	$52
Fastest flight time	0h 50m
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 $52. The best round-trip flight deal from United States to Key West found on momondo in the last 72 hours is $77.

The fastest flight from United States to Key West takes 0h 50m

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

There is 1 airport near Key West: 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 December 2025, 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 (19.19% of total bookings). The next most popular plane models are Airbus A319 (16.44%), Airbus A220-300 (16.16%), and Boeing 737-700 (13.33%).

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 $66	Free Cancellation	Rating 6.3 8,173 reviews	Search Spirit Airlines flights
Allegiant Air	PriceFrom $80	Free Cancellation	Rating 7.2 699 reviews	Search Allegiant Air flights
United Airlines	PriceFrom $86	Free Cancellation	Rating 7.4 9,091 reviews	Search United Airlines flights
Breeze Airways	PriceFrom $99	Free Cancellation	Rating 8.2 243 reviews	Search Breeze Airways flights
JetBlue	PriceFrom $119	Free Cancellation	Rating 7.2 2,899 reviews	Search JetBlue flights
Silver Airways	PriceFrom $124	Free Cancellation	Rating 5.7 237 reviews	Search Silver Airways flights
Delta	PriceFrom $148	Free Cancellation	Rating 7.9 8,007 reviews	Search Delta flights
American Airlines	PriceFrom $189	Free Cancellation	Rating 7.2 11,045 reviews	Search American Airlines flights

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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.

An easier way to manage your Key West trip

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Cheap flights from the United States to Key West from $78

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 1/7. 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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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

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

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

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 Allegiant Air 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 15% 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 133 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?

Thursday 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, Delta 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 December 2025, there are 27 flights per day flying from United States to Key West. The most common time of day flights depart is 6:00PM, with 42% of flights taking off in the evening.

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

As of December 2025, there are 189 flights per week flying from United States to Key West. The most common day of the week flights depart is Mon, with 16% 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 Miami or Boston, and flying into Key West, then you can expect flight times to average 53m and 3h 38m, 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