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Cheap flights from Austin 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 Austin to Key West departing on 2/3. 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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Find the cheapest flights from Austin to Key West

Cheap round-trip flights

American Airlines Logo
12:10 pm - 9:56 pmAUS-EYW
8h 46m1 stop
American Airlines Logo
7:31 am - 2:18 pmEYW-AUS
7h 47m1 stop
$191American Airlines
Find Deal
Sat, Nov 1 - Tue, Nov 4
American Airlines Logo
5:20 am - 10:52 amAUS-EYW
4h 32m1 stop
American Airlines Logo
5:47 pm - 11:59 pmEYW-AUS
7h 12m1 stop
$192American Airlines
Find Deal
Sat, Oct 25 - Sat, Nov 1
American Airlines Logo
12:42 pm - 9:56 pmAUS-EYW
8h 14m2 stops
American Airlines Logo
1:23 pm - 9:56 pmEYW-AUS
9h 33m1 stop
$196American Airlines
Find Deal
Sat, Nov 1 - Tue, Nov 4
American Airlines Logo
6:00 am - 4:27 pmAUS-EYW
9h 27m2 stops
American Airlines Logo
5:47 pm - 11:59 pmEYW-AUS
7h 12m1 stop
$197American Airlines
Find Deal
Sat, Oct 25 - Sat, Nov 1
Delta Logo
10:59 am - 5:23 pmAUS-EYW
5h 24m1 stop
Delta Logo
6:05 pm - 12:35 amEYW-AUS
7h 30m1 stop
$228Delta
Find Deal
Tue, Nov 18 - Tue, Dec 2
Multiple Airlines Logo
7:20 am - 11:05 amAUS-EYW
26h 45m2 stops
Multiple Airlines Logo
2:25 pm - 10:47 pmEYW-AUS
9h 22m1 stop
$272Multiple Airlines
Find Deal
Mon, Nov 3 - Fri, Nov 7
Multiple Airlines Logo
6:00 am - 9:17 amAUS-EYW
26h 17m2 stops
Multiple Airlines Logo
2:25 pm - 11:12 pmEYW-AUS
9h 47m1 stop
$303Multiple Airlines
Find Deal
Thu, Nov 13 - Sun, Nov 16
Spirit Airlines Logo
5:45 am - 1:30 pmAUS-EYW
6h 45m1 stop
Spirit Airlines Logo
2:25 pm - 11:12 pmEYW-AUS
9h 47m1 stop
$305Spirit Airlines
Find Deal
Thu, Nov 13 - Sun, Nov 16
Delta Logo
10:45 am - 5:15 pmAUS-EYW
5h 30m1 stop
Delta Logo
11:50 am - 3:55 pmEYW-AUS
5h 05m1 stop
$312Delta
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Tue, Sep 30 - Sat, Oct 4
United Airlines Logo
7:00 am - 3:19 pmAUS-EYW
7h 19m1 stop
United Airlines Logo
4:00 pm - 4:54 amEYW-AUS
37h 54m3 stops
$558United Airlines
Find Deal
Mon, Nov 3 - Fri, Nov 7

Delta flights from Austin to Key West

Our best Delta deals on Austin to Key West flight tickets
Delta
Nov 18
AUS10:59 amAustin Bergstrom
5h 24m
1 stop
EYW5:23 pmKey West
Dec 2
EYW6:05 pmKey West
7h 30m
1 stop
AUS12:35 amAustin Bergstrom
$228
Find similar
Delta
Sep 30
AUS10:45 amAustin Bergstrom
5h 30m
1 stop
EYW5:15 pmKey West
Oct 4
EYW11:50 amKey West
5h 05m
1 stop
AUS3:55 pmAustin Bergstrom
$312
Find similar
Delta
Oct 1
AUS11:59 amAustin Bergstrom
7h 08m
1 stop
EYW8:07 pmKey West
Oct 2
EYW11:50 amKey West
6h 25m
1 stop
AUS5:15 pmAustin Bergstrom
$634
Find similar

American Airlines flights from Austin to Key West

Our best American Airlines deals on Austin to Key West flight tickets
American Airlines
Nov 1
AUS12:10 pmAustin Bergstrom
8h 46m
1 stop
EYW9:56 pmKey West
Nov 4
EYW7:31 amKey West
7h 47m
1 stop
AUS2:18 pmAustin Bergstrom
$191
Find similar
American Airlines
Oct 25
AUS5:20 amAustin Bergstrom
4h 32m
1 stop
EYW10:52 amKey West
Nov 1
EYW5:47 pmKey West
7h 12m
1 stop
AUS11:59 pmAustin Bergstrom
$192
Find similar
American Airlines
Nov 1
AUS12:42 pmAustin Bergstrom
8h 14m
2 stops
EYW9:56 pmKey West
Nov 4
EYW1:23 pmKey West
9h 33m
1 stop
AUS9:56 pmAustin Bergstrom
$196
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 September 17, 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

Sat 11/1

12:10 pm-9:56 pm

1 stop8h 46m

Key West

Tue 11/4

7:31 am-2:18 pm

1 stop7h 47m

$191

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Sat 10/25

5:20 am-10:52 am

1 stop4h 32m

Key West

Sat 11/1

5:47 pm-11:59 pm

1 stop7h 12m

$192

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Sat 11/1

12:42 pm-9:56 pm

2 stops8h 14m

Key West

Tue 11/4

1:23 pm-9:56 pm

1 stop9h 33m

$196

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Sat 10/25

6:00 am-4:27 pm

2 stops9h 27m

Key West

Sat 11/1

5:47 pm-11:59 pm

1 stop7h 12m

$197

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Tue 11/18

10:59 am-5:23 pm

1 stop5h 24m

Key West

Tue 12/2

6:05 pm-12:35 am

1 stop7h 30m

$228

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Mon 11/3

7:20 am-11:05 am

2 stops26h 45m

Key West

Fri 11/7

2:25 pm-10:47 pm

1 stop9h 22m

$272

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Thu 11/13

6:00 am-9:17 am

2 stops26h 17m

Key West

Sun 11/16

2:25 pm-11:12 pm

1 stop9h 47m

$303

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Thu 11/13

5:45 am-1:30 pm

1 stop6h 45m

Key West

Sun 11/16

2:25 pm-11:12 pm

1 stop9h 47m

$305

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Tue 9/30

10:45 am-5:15 pm

1 stop5h 30m

Key West

Sat 10/4

11:50 am-3:55 pm

1 stop5h 05m

$312

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Mon 11/3

7:00 am-3:19 pm

1 stop7h 19m

Key West

Fri 11/7

4:00 pm-4:54 am

3 stops37h 54m

$558

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 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 typical price of a round-trip flight between Austin and Key West?

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 $323.

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 $407 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 $284 on momondo.

How have Austin to Key West flight prices changed over time?

As of September 2025, prices for Austin to Key West flights are approximately 40% cheaper when compared to flights at the same time last year.

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.
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  • 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 32m.

  • 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
7,961 reviews
Search Delta flights
American AirlinesPriceFrom $218Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $258Free CancellationRating
7.4
8,926 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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