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Cheap flights from the United States to Key West from $90

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 1/1. 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 the United States to Key West

Cheap round-trip flights

These are some of the best round-trip flight deals from the United States to Key West that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from the United States to Key West.

Cheap last minute flights

Planning a quick getaway from the United States to Key West? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Key West, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals to Key West

Find recent round-trip train or bus tickets from the United States to Key West.

All round-trip flight deals to Key West

The cheapest plane tickets to Key West found on KAYAK recently.
8:00 am - 11:55 amBOS-EYW
3h 55mnonstop
12:50 pm - 4:16 pmEYW-BOS
3h 26mnonstop
$207JetBlue
Find Deal
Mon, Dec 9 - Fri, Dec 13
2:01 pm - 8:11 pmBWI-EYW
6h 10m1 stop
6:20 pm - 12:38 amEYW-BWI
6h 18m1 stop
$208Delta
Find Deal
Sat, Jan 25 - Tue, Jan 28
5:00 am - 12:18 pmBWI-EYW
7h 18m2 stops
4:00 pm - 10:10 pmEYW-BWI
6h 10m1 stop
$213American Airlines
Find Deal
Sat, Jan 25 - Tue, Jan 28
8:10 am - 12:35 pmORD-EYW
3h 25mnonstop
1:07 pm - 3:38 pmEYW-ORD
3h 31mnonstop
$224American Airlines
Find Deal
Wed, Dec 18 - Wed, Dec 25
7:59 am - 11:24 amEWR-EYW
3h 25mnonstop
2:24 pm - 5:27 pmEYW-EWR
3h 03mnonstop
$229United Airlines
Find Deal
Mon, Dec 16 - Sun, Dec 22
9:00 am - 12:14 pmIAD-EYW
3h 14mnonstop
12:25 pm - 3:10 pmEYW-IAD
2h 45mnonstop
$229United Airlines
Find Deal
Fri, Jan 3 - Thu, Jan 9
9:05 pm - 9:30 amEWR-EYW
12h 25m1 stop
5:55 pm - 4:50 pmEYW-EWR
22h 55m2 stops
Sat, Jan 25 - Mon, Jan 27
9:05 pm - 9:30 amEWR-EYW
12h 25m1 stop
5:34 pm - 12:14 pmEYW-EWR
18h 40m2 stops
Wed, Jan 22 - Sat, Jan 25
10:55 am - 9:33 amEWR-EYW
22h 38m2 stops
5:52 pm - 11:05 amEYW-EWR
17h 13m2 stops
$314Allegiant Air
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Thu, Jan 23 - Sun, Jan 26
10:05 am - 9:04 amBOS-EYW
22h 59m2 stops
5:27 pm - 8:37 amEYW-BOS
15h 10m2 stops
$360Allegiant Air
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Sun, Feb 23 - Thu, Feb 27
5:11 am - 4:45 pmBOS-EYW
11h 34m1 stop
Wed, Jan 1
8:00 am - 11:55 amBOS-EYW
3h 55mnonstop
$99JetBlue
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Mon, Dec 9
8:14 am - 12:32 pmORD-EYW
3h 18mnonstop
$100American Airlines
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Fri, Nov 29
2:01 pm - 8:11 pmBWI-EYW
6h 10m1 stop
$104Delta
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Sat, Jan 25
5:45 am - 11:39 amBOS-EYW
5h 54m1 stop
$108United Airlines
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Wed, Jan 22
5:00 am - 12:18 pmBWI-EYW
7h 18m2 stops
$109American Airlines
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Sat, Jan 25
11:17 am - 8:11 pmORD-EYW
7h 54m1 stop
$109Delta
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Wed, Feb 19
10:55 am - 3:01 pmORD-EYW
3h 06mnonstop
$140United Airlines
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Wed, Dec 18
9:54 am - 9:41 amBOS-EYW
23h 47m2 stops
$270Allegiant Air
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Fri, Nov 29
9:54 am - 9:41 amBOS-EYW
23h 47m2 stops
$278Allegiant Air
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Fri, Nov 29
12:10 pm - 8:57 pmBOS-EYW
8h 47m1 stop
7:25 am - 3:49 pmEYW-BOS
8h 24m1 stop
$330Delta
Find Deal
Fri, Nov 22 - Mon, Nov 25
6:00 am - 11:50 amBOS-EYW
5h 50m1 stop
12:55 pm - 11:59 pmEYW-BOS
11h 04m2 stops
$335United Airlines
Find Deal
Fri, Nov 22 - Mon, Nov 25
12:15 pm - 6:48 pmORD-EYW
5h 33m1 stop
12:55 pm - 3:26 pmEYW-ORD
3h 31mnonstop
$359American Airlines
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Fri, Nov 22 - Tue, Nov 26
8:04 am - 12:20 pmORD-EYW
3h 16mnonstop
1:07 pm - 3:38 pmEYW-ORD
3h 31mnonstop
$374American Airlines
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Sun, Nov 24 - Thu, Dec 26
9:25 am - 5:18 pmORD-EYW
6h 53m1 stop
7:25 am - 12:21 pmEYW-ORD
5h 56m1 stop
$377Delta
Find Deal
Fri, Nov 22 - Tue, Nov 26
5:45 am - 3:01 pmBOS-EYW
9h 16m2 stops
4:05 pm - 12:54 amEYW-BOS
8h 49m1 stop
$415United Airlines
Find Deal
Mon, Nov 25 - Wed, Nov 27
8:32 am - 12:27 pmBOS-EYW
3h 55mnonstop
10:55 am - 7:15 pmEYW-BOS
8h 20m1 stop
$479JetBlue
Find Deal
Mon, Nov 25 - Fri, Nov 29
8:32 am - 12:27 pmBOS-EYW
3h 55mnonstop
10:55 am - 7:15 pmEYW-BOS
8h 20m1 stop
$496JetBlue
Find Deal
Mon, Nov 25 - Wed, Nov 27
11:55 am - 9:01 amEWR-EYW
21h 06m2 stops
5:11 pm - 9:05 amEYW-EWR
15h 54m2 stops
$577Allegiant Air
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Sun, Nov 24 - Mon, Nov 25
9:55 am - 9:11 amEWR-EYW
23h 16m2 stops
5:59 pm - 9:05 amEYW-EWR
15h 06m2 stops
$663Allegiant Air
Find Deal
Mon, Nov 25 - Sun, Dec 1
10:35 am - 2:49 pmORD-EYW
3h 14mnonstop
3:50 pm - 6:21 pmEYW-ORD
3h 31mnonstop
$199United Airlines
Find Deal
Wed, Jan 8 - Wed, Jan 15
8:00 am - 11:55 amBOS-EYW
3h 55mnonstop
12:50 pm - 4:16 pmEYW-BOS
3h 26mnonstop
$207JetBlue
Find Deal
Mon, Dec 9 - Fri, Dec 13
8:00 am - 11:52 amBOS-EYW
3h 52mnonstop
1:46 pm - 5:17 pmEYW-BOS
3h 31mnonstop
$217JetBlue
Find Deal
Fri, Jan 3 - Fri, Jan 10
8:10 am - 12:35 pmORD-EYW
3h 25mnonstop
1:07 pm - 3:38 pmEYW-ORD
3h 31mnonstop
$224American Airlines
Find Deal
Wed, Dec 18 - Wed, Dec 25
7:39 am - 10:52 amDCA-EYW
3h 13mnonstop
11:30 am - 2:19 pmEYW-DCA
2h 49mnonstop
$229American Airlines
Find Deal
Fri, Jan 3 - Thu, Jan 9
7:59 am - 11:24 amEWR-EYW
3h 25mnonstop
2:24 pm - 5:27 pmEYW-EWR
3h 03mnonstop
$229United Airlines
Find Deal
Mon, Dec 16 - Sun, Dec 22
10:02 am - 1:51 pmLGA-EYW
3h 49mnonstop
2:21 pm - 5:29 pmEYW-LGA
3h 08mnonstop
$229American Airlines
Find Deal
Wed, Jan 8 - Wed, Jan 15
8:25 am - 11:39 amIAD-EYW
3h 14mnonstop
12:25 pm - 3:10 pmEYW-IAD
2h 45mnonstop
$229United Airlines
Find Deal
Wed, Jan 15 - Sat, Jan 18
9:10 am - 12:46 pmLGA-EYW
3h 36mnonstop
1:55 pm - 5:10 pmEYW-LGA
3h 15mnonstop
$442Delta
Find Deal
Tue, Apr 22 - Sat, Apr 26
10:05 am - 1:53 pmLGA-EYW
3h 48mnonstop
1:45 pm - 4:56 pmEYW-LGA
3h 11mnonstop
$483Delta
Find Deal
Sun, Jan 5 - Sun, Jan 12

JetBlue flights from United States to Key West

Our best JetBlue deals on United States to Key West flight tickets
JetBlue
Dec 9
BOS8:00 amBoston Logan Intl
3h 55m
EYW11:55 amKey West
Dec 13
EYW12:50 pmKey West
3h 26m
BOS4:16 pmBoston Logan Intl
JetBlue
Dec 2
BOS8:32 amBoston Logan Intl
3h 55m
EYW12:27 pmKey West
Dec 6
EYW12:50 pmKey West
3h 26m
BOS4:16 pmBoston Logan Intl
JetBlue
Dec 1
BOS8:32 amBoston Logan Intl
3h 55m
EYW12:27 pmKey West
Dec 6
EYW12:50 pmKey West
3h 26m
BOS4:16 pmBoston Logan Intl

United Airlines flights from United States to Key West

Our best United Airlines deals on United States to Key West flight tickets
United Airlines
Dec 16
EWR7:59 amNewark
3h 25m
EYW11:24 amKey West
Dec 22
EYW2:24 pmKey West
3h 03m
EWR5:27 pmNewark
United Airlines
Jan 11
ORD7:35 amChicago O'Hare Intl
7h 26m
1 stop
EYW4:01 pmKey West
Jan 18
EYW3:50 pmKey West
3h 31m
ORD6:21 pmChicago O'Hare Intl
United Airlines
Feb 8
ORD7:35 amChicago O'Hare Intl
7h 26m
1 stop
EYW4:01 pmKey West
Feb 12
EYW3:50 pmKey West
3h 31m
ORD6:21 pmChicago O'Hare Intl

See travel insights to Key West from

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?

In general, September 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 $356. If you are unable to visit Key West during the month of September, then departing from United States during the month January is also very affordable. Most momondo users find prices during this month for around $364.

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 Wednesday. momondo users have found tickets for Wednesday departures for as low as $398. 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 $545.

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 $359. 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 $724. 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 Boston Logan Intl to Key West for the best United States - Key West flight prices

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

Most flyers found that booking tickets 58 days in advance of their planned departure date is the best time to get cheap flights to Key West. During this timeframe, flight prices are around $457. 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 $319 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?

You could potentially save up to 9% on your flight if you consider stops on a United States to Key West flight.

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

$90

Fastest flight time

3h 00m

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 $90. The best round-trip flight deal from United States to Key West found on momondo in the last 72 hours is $207.
The fastest flight from United States to Key West takes 3h 00m
Direct flights go from United States to Key West every day.
There is 1 airport near Key West: Key West (EYW)

  • 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?

  • 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?


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
United AirlinesPriceFrom $135Free CancellationRating
7.4
9,172 reviews
Search United Airlines flights
American AirlinesPriceFrom $147Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $196Free CancellationRating
8.0
8,755 reviews
Search Delta flights
JetBluePriceFrom $241Free CancellationRating
7.4
3,389 reviews
Search JetBlue flights

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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