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Cheap flights from Austin to Key West from $148

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 1/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Spirit Airlines Logo
7:25 am - 1:30 pm
AUS
-
EYW
5h 05m1 stop
Spirit Airlines Logo
2:25 pm - 9:35 pm
EYW
-
AUS
8h 10m1 stop
$170Spirit Airlines
Fri, Jan 23 - Mon, Jan 26
Spirit Airlines Logo
7:25 am - 1:30 pm
AUS
-
EYW
5h 05m1 stop
Spirit Airlines Logo
2:25 pm - 9:35 pm
EYW
-
AUS
8h 10m1 stop
$191Spirit Airlines
Mon, Jan 19 - Fri, Jan 23
Spirit Airlines Logo
7:25 am - 1:30 pm
AUS
-
EYW
5h 05m1 stop
Spirit Airlines Logo
2:25 pm - 9:35 pm
EYW
-
AUS
8h 10m1 stop
$194Spirit Airlines
Fri, Jan 23 - Mon, Jan 26
Spirit Airlines Logo
11:30 am - 11:56 am
AUS
-
EYW
23h 26m1 stop
Spirit Airlines Logo
2:25 pm - 9:35 pm
EYW
-
AUS
8h 10m1 stop
$200Spirit Airlines
Sat, Jan 31 - Mon, Feb 2
Spirit Airlines Logo
7:25 am - 1:30 pm
AUS
-
EYW
5h 05m1 stop
Spirit Airlines Logo
2:25 pm - 9:35 pm
EYW
-
AUS
8h 10m1 stop
$214Spirit Airlines
Fri, Jan 23 - Mon, Jan 26
Multiple Airlines Logo
7:25 am - 9:26 am
AUS
-
EYW
25h 01m2 stops
Multiple Airlines Logo
2:25 pm - 9:35 pm
EYW
-
AUS
8h 10m1 stop
$218Multiple Airlines
Sat, Jan 31 - Mon, Feb 2
Spirit Airlines Logo
7:25 am - 1:30 pm
AUS
-
EYW
5h 05m1 stop
Spirit Airlines Logo
12:51 pm - 9:35 pm
EYW
-
AUS
9h 44m1 stop
$219Spirit Airlines
Fri, Jan 23 - Sun, Jan 25
Multiple Airlines Logo
11:30 am - 11:56 am
AUS
-
EYW
23h 26m1 stop
Multiple Airlines Logo
1:06 pm - 9:35 pm
EYW
-
AUS
33h 29m2 stops
$225Multiple Airlines
Sat, Jan 17 - Mon, Jan 19
Multiple Airlines Logo
7:25 am - 10:09 am
AUS
-
EYW
25h 44m2 stops
Multiple Airlines Logo
12:51 pm - 9:35 pm
EYW
-
AUS
9h 44m1 stop
$227Multiple Airlines
Tue, Feb 3 - Thu, Feb 5
Spirit Airlines Logo
11:30 am - 1:30 pm
AUS
-
EYW
25h 00m1 stop
Spirit Airlines Logo
2:25 pm - 8:53 pm
EYW
-
AUS
7h 28m1 stop
$228Spirit Airlines
Sun, Feb 8 - Fri, Feb 13

Spirit Airlines flights from Austin to Key West

Our best Spirit Airlines deals on Austin to Key West flight tickets
Spirit Airlines
Jan 23
AUS7:25 amAustin Bergstrom
5h 05m
1 stop
EYW1:30 pmKey West
Jan 26
EYW2:25 pmKey West
8h 10m
1 stop
AUS9:35 pmAustin Bergstrom
$170
Find similar
Spirit Airlines
Jan 19
AUS7:25 amAustin Bergstrom
5h 05m
1 stop
EYW1:30 pmKey West
Jan 23
EYW2:25 pmKey West
8h 10m
1 stop
AUS9:35 pmAustin Bergstrom
$191
Find similar
Spirit Airlines
Jan 23
AUS7:25 amAustin Bergstrom
5h 05m
1 stop
EYW1:30 pmKey West
Jan 26
EYW2:25 pmKey West
8h 10m
1 stop
AUS9:35 pmAustin Bergstrom
$194
Find similar

Delta flights from Austin to Key West

Our best Delta deals on Austin to Key West flight tickets
Delta
Jan 22
AUS12:34 pmAustin Bergstrom
6h 06m
1 stop
EYW7:40 pmKey West
Jan 27
EYW6:06 pmKey West
7h 14m
1 stop
AUS12:20 amAustin Bergstrom
$294
Find similar
Delta
Jan 7
AUS10:58 amAustin Bergstrom
7h 42m
1 stop
EYW7:40 pmKey West
Jan 14
EYW7:10 amKey West
7h 47m
1 stop
AUS1:57 pmAustin Bergstrom
$301
Find similar
Delta
Jan 13
AUS6:40 amAustin Bergstrom
6h 08m
1 stop
EYW1:48 pmKey West
Jan 18
EYW6:06 pmKey West
7h 14m
1 stop
AUS12:20 amAustin Bergstrom
$305
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 January 4, 2026.
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

Fri 1/23

7:25 am-1:30 pm

1 stop5h 05m

Key West

Mon 1/26

2:25 pm-9:35 pm

1 stop8h 10m

$170

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Mon 1/19

7:25 am-1:30 pm

1 stop5h 05m

Key West

Fri 1/23

2:25 pm-9:35 pm

1 stop8h 10m

$191

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Fri 1/23

7:25 am-1:30 pm

1 stop5h 05m

Key West

Mon 1/26

2:25 pm-9:35 pm

1 stop8h 10m

$194

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Sat 1/31

11:30 am-11:56 am

1 stop23h 26m

Key West

Mon 2/2

2:25 pm-9:35 pm

1 stop8h 10m

$200

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Fri 1/23

7:25 am-1:30 pm

1 stop5h 05m

Key West

Mon 1/26

2:25 pm-9:35 pm

1 stop8h 10m

$214

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Sat 1/31

7:25 am-9:26 am

2 stops25h 01m

Key West

Mon 2/2

2:25 pm-9:35 pm

1 stop8h 10m

$218

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Fri 1/23

7:25 am-1:30 pm

1 stop5h 05m

Key West

Sun 1/25

12:51 pm-9:35 pm

1 stop9h 44m

$219

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Sat 1/17

11:30 am-11:56 am

1 stop23h 26m

Key West

Mon 1/19

1:06 pm-9:35 pm

2 stops33h 29m

$225

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Tue 2/3

7:25 am-10:09 am

2 stops25h 44m

Key West

Thu 2/5

12:51 pm-9:35 pm

1 stop9h 44m

$227

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Sun 2/8

11:30 am-1:30 pm

1 stop25h 00m

Key West

Fri 2/13

2:25 pm-8:53 pm

1 stop7h 28m

$228

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 $299. If you are unable to visit Key West during the month of August, then departing from Austin during the month February is also very affordable. Most momondo users find prices during this month for around $368.

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 $438 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.

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

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

Fastest flight time

4h 45m

Direct flights

None
The fastest flight from Austin to Key West takes 4h 45m
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 45m.

  • 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
8,020 reviews
Search Delta flights
American AirlinesPriceFrom $215Free CancellationRating
7.2
11,077 reviews
Search American Airlines flights
United AirlinesPriceFrom $258Free CancellationRating
7.4
9,138 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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