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Cheap flights from Austin to Key West from $105

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Austin to Key West departing on 1/23. 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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0 bags

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Cheap round-trip flights

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American Airlines Logo
11:12 am - 4:49 pmAUS-EYW
4h 37m1 stop
American Airlines Logo
7:26 pm - 12:38 amEYW-AUS
6h 12m1 stop
$191American Airlines
Find Deal
Tue, Jan 27 - Sat, Jan 31
American Airlines Logo
8:00 am - 4:49 pmAUS-EYW
7h 49m2 stops
American Airlines Logo
7:26 pm - 12:38 amEYW-AUS
6h 12m1 stop
$196American Airlines
Find Deal
Tue, Jan 27 - Sat, Jan 31
American Airlines Logo
12:47 pm - 11:56 pmAUS-EYW
10h 09m2 stops
American Airlines Logo
6:06 am - 1:58 pmEYW-AUS
8h 52m2 stops
$201American Airlines
Find Deal
Tue, Jan 27 - Sat, Jan 31
Spirit Airlines Logo
5:30 am - 11:20 amAUS-EYW
4h 50m1 stop
Spirit Airlines Logo
12:20 pm - 10:21 pmEYW-AUS
11h 01m1 stop
$219Spirit Airlines
Find Deal
Sun, Dec 7 - Sun, Dec 14
Spirit Airlines Logo
11:30 am - 1:30 pmAUS-EYW
25h 00m1 stop
Spirit Airlines Logo
12:15 pm - 8:53 pmEYW-AUS
9h 38m1 stop
$246Spirit Airlines
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Thu, Jan 8 - Sun, Jan 11
Multiple Airlines Logo
6:00 am - 3:44 pmAUS-EYW
8h 44m1 stop
Multiple Airlines Logo
12:20 pm - 10:21 pmEYW-AUS
11h 01m1 stop
$250Multiple Airlines
Find Deal
Sun, Dec 7 - Sun, Dec 14
Multiple Airlines Logo
6:08 pm - 1:30 pmAUS-EYW
18h 22m2 stops
Multiple Airlines Logo
12:15 pm - 8:53 pmEYW-AUS
9h 38m1 stop
$260Multiple Airlines
Find Deal
Thu, Jan 8 - Sun, Jan 11
Delta Logo
12:20 pm - 7:44 pmAUS-EYW
6h 24m1 stop
Delta Logo
7:00 am - 12:41 pmEYW-AUS
6h 41m1 stop
$280Delta
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Sat, Apr 25 - Wed, Apr 29
Delta Logo
5:40 am - 1:10 pmAUS-EYW
6h 30m1 stop
Delta Logo
6:00 pm - 12:26 amEYW-AUS
7h 26m1 stop
$288Delta
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Sat, Apr 25 - Wed, Apr 29
United Airlines Logo
7:02 am - 3:06 pmAUS-EYW
7h 04m1 stop
United Airlines Logo
4:45 pm - 11:14 pmEYW-AUS
7h 29m1 stop
$313United Airlines
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Tue, Apr 7 - Sat, Apr 11

Delta flights from Austin to Key West

Our best Delta deals on Austin to Key West flight tickets
Delta
Apr 25
AUS12:20 pmAustin Bergstrom
6h 24m
1 stop
EYW7:44 pmKey West
Apr 29
EYW7:00 amKey West
6h 41m
1 stop
AUS12:41 pmAustin Bergstrom
$280
Find similar
Delta
Apr 25
AUS5:40 amAustin Bergstrom
6h 30m
1 stop
EYW1:10 pmKey West
Apr 29
EYW6:00 pmKey West
7h 26m
1 stop
AUS12:26 amAustin Bergstrom
$288
Find similar
Delta
Apr 25
AUS5:40 amAustin Bergstrom
6h 30m
1 stop
EYW1:10 pmKey West
Apr 29
EYW7:00 amKey West
7h 48m
1 stop
AUS1:48 pmAustin Bergstrom
$319
Find similar

American Airlines flights from Austin to Key West

Our best American Airlines deals on Austin to Key West flight tickets
American Airlines
Jan 27
AUS11:12 amAustin Bergstrom
4h 37m
1 stop
EYW4:49 pmKey West
Jan 31
EYW7:26 pmKey West
6h 12m
1 stop
AUS12:38 amAustin Bergstrom
$191
Find similar
American Airlines
Jan 27
AUS8:00 amAustin Bergstrom
7h 49m
2 stops
EYW4:49 pmKey West
Jan 31
EYW7:26 pmKey West
6h 12m
1 stop
AUS12:38 amAustin Bergstrom
$196
Find similar
American Airlines
Jan 27
AUS12:47 pmAustin Bergstrom
10h 09m
2 stops
EYW11:56 pmKey West
Jan 31
EYW6:06 amKey West
8h 52m
2 stops
AUS1:58 pmAustin Bergstrom
$201
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Austin 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 November 11, 2025.
Use the filters below to find and compare flights from Austin to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Tue 1/27

11:12 am-4:49 pm

1 stop4h 37m

Key West

Sat 1/31

7:26 pm-12:38 am

1 stop6h 12m

$191

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Tue 1/27

8:00 am-4:49 pm

2 stops7h 49m

Key West

Sat 1/31

7:26 pm-12:38 am

1 stop6h 12m

$196

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Tue 1/27

12:47 pm-11:56 pm

2 stops10h 09m

Key West

Sat 1/31

6:06 am-1:58 pm

2 stops8h 52m

$201

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Sun 12/7

5:30 am-11:20 am

1 stop4h 50m

Key West

Sun 12/14

12:20 pm-10:21 pm

1 stop11h 01m

$219

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Thu 1/8

11:30 am-1:30 pm

1 stop25h 00m

Key West

Sun 1/11

12:15 pm-8:53 pm

1 stop9h 38m

$246

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Sun 12/7

6:00 am-3:44 pm

1 stop8h 44m

Key West

Sun 12/14

12:20 pm-10:21 pm

1 stop11h 01m

$250

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Thu 1/8

6:08 pm-1:30 pm

2 stops18h 22m

Key West

Sun 1/11

12:15 pm-8:53 pm

1 stop9h 38m

$260

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Sat 4/25

12:20 pm-7:44 pm

1 stop6h 24m

Key West

Wed 4/29

7:00 am-12:41 pm

1 stop6h 41m

$280

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Sat 4/25

5:40 am-1:10 pm

1 stop6h 30m

Key West

Wed 4/29

6:00 pm-12:26 am

1 stop7h 26m

$288

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Tue 4/7

7:02 am-3:06 pm

1 stop7h 04m

Key West

Sat 4/11

4:45 pm-11:14 pm

1 stop7h 29m

$313

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Key West from

How to get the cheapest flight ticket from Austin 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, August is the cheapest month to fly from Austin to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $287. If you are unable to visit Key West during the month of August, then departing from Austin during the month January is also very affordable. Most momondo users find prices during this month for around $313.

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 Austin is on a Saturday. momondo users have found tickets for Saturday departures for as low as $297. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Austin to Key West for around $553.

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 at noon. momondo users have found flights departing from Austin to Key West at noon for as low as $330. 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 morning, with an average ticket price of $387. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Key West from Austin when booking weeks ahead of your departure date. In general, you can expect to find flights to Key West for around $402 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Key West from Austin for as low as $278 on momondo.

When to book flights from Austin to Key West

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

Cheap Austin to Key West (AUS to EYW) flight deals and tips

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

Direct flights

None
There are no direct flights from Austin to Key West. There are no popular flight routes from Austin to Key West.
Search flight deals

  • How far is Austin Bergstrom to Key West by plane?

    Key West is 1052.9 mi away from Austin Bergstrom. A reasonable flight in good conditions will take 4h 37m.

  • When did momondo last update prices for flights from Austin Bergstrom Airport to Key West Airport?

    Prices for flights from Austin Bergstrom Airport to Key West Airport were last updated today.

  • How many operators does momondo search for flights from Austin Bergstrom Airport to Key West Airport?

  • How old do you have to be to fly from Austin Bergstrom 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 Austin Bergstrom Airport to Key West Airport.

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

    The necessary travel and health documents for your Key West Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Austin to Key West?

Best airlines flying from Austin to Key West

Compare and see reviews for airlines that fly from Austin to Key West with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $196Free CancellationRating
7.9
8,007 reviews
Search Delta flights
American AirlinesPriceFrom $225Free CancellationRating
7.2
11,045 reviews
Search American Airlines flights
United AirlinesPriceFrom $258Free CancellationRating
7.4
9,012 reviews
Search United 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 Austin to Key West?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Key West from Austin.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Austin to Key West.

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

If you are simply researching potential flights to Key West, momondo offers a useful price alert feature which will track prices for flights to Key West from Austin and alert you when they 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.
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