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Cheap flights from Austin to Key West from $95

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 1/11. 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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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
$179Spirit Airlines
Find Deal
lun., feb. 2 - sáb., feb. 7
American Airlines Logo
9:50 am - 6:01 pmAUS-EYW
7h 11m1 stop
American Airlines Logo
6:06 am - 10:55 amEYW-AUS
5h 49m1 stop
$191American Airlines
Find Deal
mar., ene. 20 - sáb., ene. 24
American Airlines Logo
6:05 am - 4:49 pmAUS-EYW
9h 44m2 stops
American Airlines Logo
6:06 am - 10:55 amEYW-AUS
5h 49m1 stop
$196American Airlines
Find Deal
mar., ene. 20 - sáb., ene. 24
American Airlines Logo
7:00 am - 1:13 pmAUS-EYW
5h 13m1 stop
American Airlines Logo
4:04 pm - 10:04 pmEYW-AUS
7h 00m1 stop
$201American Airlines
Find Deal
jue., ene. 1 - mar., ene. 6
Spirit Airlines Logo
8:48 pm - 1:30 pmAUS-EYW
15h 42m2 stops
Spirit Airlines Logo
2:25 pm - 11:12 pmEYW-AUS
9h 47m1 stop
$221Spirit Airlines
Find Deal
lun., feb. 2 - sáb., feb. 7
American Airlines Logo
11:12 am - 7:10 pmAUS-EYW
6h 58m1 stop
American Airlines Logo
6:06 am - 10:55 amEYW-AUS
5h 49m1 stop
$225American Airlines
Find Deal
jue., ene. 22 - mar., ene. 27
Delta Logo
1:40 pm - 7:44 pmAUS-EYW
5h 04m1 stop
Delta Logo
7:00 am - 12:41 pmEYW-AUS
6h 41m1 stop
$228Delta
Find Deal
sáb., abr. 25 - mié., abr. 29
Multiple Airlines Logo
7:49 pm - 8:46 pmAUS-EYW
23h 57m1 stop
Multiple Airlines Logo
1:01 pm - 9:14 amEYW-AUS
21h 13m1 stop
$239Multiple Airlines
Find Deal
sáb., nov. 15 - sáb., nov. 22
Multiple Airlines Logo
2:23 pm - 8:15 amAUS-EYW
16h 52m1 stop
Multiple Airlines Logo
1:01 pm - 9:14 amEYW-AUS
21h 13m1 stop
$240Multiple Airlines
Find Deal
dom., nov. 9 - sáb., nov. 22
Delta Logo
1:40 pm - 7:44 pmAUS-EYW
5h 04m1 stop
Delta Logo
6:00 pm - 12:26 amEYW-AUS
7h 26m1 stop
$259Delta
Find Deal
sáb., abr. 25 - mié., abr. 29

Spirit Airlines flights from Austin to Key West

Our best Spirit Airlines deals on Austin to Key West flight tickets
Spirit Airlines
Feb 2
AUS5:45 amAustin Bergstrom
6h 45m
1 stop
EYW1:30 pmKey West
Feb 7
EYW2:25 pmKey West
9h 47m
1 stop
AUS11:12 pmAustin Bergstrom
$179
Find similar
Spirit Airlines
Feb 2
AUS8:48 pmAustin Bergstrom
15h 42m
2 stops
EYW1:30 pmKey West
Feb 7
EYW2:25 pmKey West
9h 47m
1 stop
AUS11:12 pmAustin Bergstrom
$221
Find similar
Spirit Airlines
Jan 20
AUS10:35 amAustin Bergstrom
25h 55m
3 stops
EYW1:30 pmKey West
Jan 24
EYW2:25 pmKey West
9h 47m
1 stop
AUS11:12 pmAustin Bergstrom
$305
Find similar

Delta flights from Austin to Key West

Our best Delta deals on Austin to Key West flight tickets
Delta
Apr 25
AUS1:40 pmAustin Bergstrom
5h 04m
1 stop
EYW7:44 pmKey West
Apr 29
EYW7:00 amKey West
6h 41m
1 stop
AUS12:41 pmAustin Bergstrom
$228
Find similar
Delta
Apr 25
AUS1:40 pmAustin Bergstrom
5h 04m
1 stop
EYW7:44 pmKey West
Apr 29
EYW6:00 pmKey West
7h 26m
1 stop
AUS12:26 amAustin Bergstrom
$259
Find similar
Delta
Nov 11
AUS6:40 amAustin Bergstrom
6h 23m
1 stop
EYW2:03 pmKey West
Nov 18
EYW6:18 pmKey West
7h 10m
1 stop
AUS12:28 amAustin Bergstrom
$270
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 octubre 28, 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

lun. 2/2

5:45 am-1:30 pm

1 stop6h 45m

Key West

sáb. 2/7

2:25 pm-11:12 pm

1 stop9h 47m

$179

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

mar. 1/20

9:50 am-6:01 pm

1 stop7h 11m

Key West

sáb. 1/24

6:06 am-10:55 am

1 stop5h 49m

$191

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

mar. 1/20

6:05 am-4:49 pm

2 stops9h 44m

Key West

sáb. 1/24

6:06 am-10:55 am

1 stop5h 49m

$196

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

jue. 1/1

7:00 am-1:13 pm

1 stop5h 13m

Key West

mar. 1/6

4:04 pm-10:04 pm

1 stop7h 00m

$201

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

lun. 2/2

8:48 pm-1:30 pm

2 stops15h 42m

Key West

sáb. 2/7

2:25 pm-11:12 pm

1 stop9h 47m

$221

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

jue. 1/22

11:12 am-7:10 pm

1 stop6h 58m

Key West

mar. 1/27

6:06 am-10:55 am

1 stop5h 49m

$225

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

sáb. 4/25

1:40 pm-7:44 pm

1 stop5h 04m

Key West

mié. 4/29

7:00 am-12:41 pm

1 stop6h 41m

$228

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

sáb. 11/15

7:49 pm-8:46 pm

1 stop23h 57m

Key West

sáb. 11/22

1:01 pm-9:14 am

1 stop21h 13m

$239

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

dom. 11/9

2:23 pm-8:15 am

1 stop16h 52m

Key West

sáb. 11/22

1:01 pm-9:14 am

1 stop21h 13m

$240

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

sáb. 4/25

1:40 pm-7:44 pm

1 stop5h 04m

Key West

mié. 4/29

6:00 pm-12:26 am

1 stop7h 26m

$259

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 $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 $413 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?

As of October 2025, prices for Austin to Key West flights are approximately 3% 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 47m.

  • 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
7,994 reviews
Search Delta flights
American AirlinesPriceFrom $225Free CancellationRating
7.2
11,032 reviews
Search American Airlines flights
United AirlinesPriceFrom $258Free CancellationRating
7.4
9,001 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.
Start using Trips
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jue. 11/27
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