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Cheap flights from Austin to Key West from $98

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 1/26. 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

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Multiple Airlines Logo
10:38 am - 8:15 amAUS-EYW
20h 37m1 stop
Multiple Airlines Logo
8:55 am - 9:57 pmEYW-AUS
14h 02m1 stop
$199Multiple Airlines
Find Deal
Sun, Dec 14 - Sun, Dec 21
Multiple Airlines Logo
6:00 am - 9:26 amAUS-EYW
26h 26m1 stop
Multiple Airlines Logo
12:15 pm - 8:53 pmEYW-AUS
9h 38m1 stop
$202Multiple Airlines
Find Deal
Wed, Jan 7 - Sun, Jan 11
Spirit Airlines Logo
5:30 am - 11:20 amAUS-EYW
4h 50m1 stop
Spirit Airlines Logo
12:20 pm - 12:58 amEYW-AUS
13h 38m1 stop
$216Spirit Airlines
Find Deal
Sun, Dec 14 - Thu, Dec 18
Multiple Airlines Logo
10:38 am - 8:15 amAUS-EYW
20h 37m1 stop
Multiple Airlines Logo
3:24 pm - 4:18 pmEYW-AUS
25h 54m2 stops
$221Multiple Airlines
Find Deal
Sun, Dec 14 - Sun, Dec 21
Multiple Airlines Logo
10:32 am - 9:26 amAUS-EYW
21h 54m2 stops
Multiple Airlines Logo
12:15 pm - 8:53 pmEYW-AUS
9h 38m1 stop
$222Multiple Airlines
Find Deal
Wed, Jan 7 - Sun, Jan 11
American Airlines Logo
9:50 am - 6:01 pmAUS-EYW
7h 11m1 stop
American Airlines Logo
7:08 am - 2:13 pmEYW-AUS
8h 05m1 stop
$225American Airlines
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Thu, Jan 22 - Tue, Jan 27
Multiple Airlines Logo
5:58 pm - 12:26 pmAUS-EYW
17h 28m2 stops
Multiple Airlines Logo
12:15 pm - 8:53 pmEYW-AUS
9h 38m1 stop
$228Multiple Airlines
Find Deal
Thu, Jan 22 - Sun, Jan 25
American Airlines Logo
3:03 pm - 9:47 pmAUS-EYW
5h 44m1 stop
American Airlines Logo
6:06 am - 2:13 pmEYW-AUS
9h 07m2 stops
$230American Airlines
Find Deal
Thu, Jan 22 - Tue, Jan 27
Multiple Airlines Logo
6:10 am - 10:07 amAUS-EYW
26h 57m2 stops
Multiple Airlines Logo
2:30 pm - 10:21 pmEYW-AUS
8h 51m1 stop
$251Multiple Airlines
Find Deal
Tue, Dec 2 - Sat, Dec 6
Spirit Airlines Logo
5:30 am - 11:20 amAUS-EYW
4h 50m1 stop
Spirit Airlines Logo
12:20 pm - 9:57 pmEYW-AUS
10h 37m2 stops
$253Spirit Airlines
Find Deal
Sun, Dec 14 - Thu, Dec 18

Spirit Airlines flights from Austin to Key West

Our best Spirit Airlines deals on Austin to Key West flight tickets
Spirit Airlines
Jan 26
AUS7:03 amAustin Bergstrom
5h 27m
1 stop
EYW1:30 pmKey West
Feb 1
EYW12:15 pmKey West
9h 38m
1 stop
AUS8:53 pmAustin Bergstrom
$197
Find similar
Spirit Airlines
Dec 14
AUS5:30 amAustin Bergstrom
4h 50m
1 stop
EYW11:20 amKey West
Dec 18
EYW12:20 pmKey West
13h 38m
1 stop
AUS12:58 amAustin Bergstrom
$216
Find similar
Spirit Airlines
Jan 8
AUS11:30 amAustin Bergstrom
25h 00m
1 stop
EYW1:30 pmKey West
Jan 11
EYW12:15 pmKey West
9h 38m
1 stop
AUS8:53 pmAustin Bergstrom
$219
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 22
AUS9:50 amAustin Bergstrom
7h 11m
1 stop
EYW6:01 pmKey West
Jan 27
EYW7:08 amKey West
8h 05m
1 stop
AUS2:13 pmAustin Bergstrom
$225
Find similar
American Airlines
Jan 22
AUS3:03 pmAustin Bergstrom
5h 44m
1 stop
EYW9:47 pmKey West
Jan 27
EYW6:06 amKey West
9h 07m
2 stops
AUS2:13 pmAustin Bergstrom
$230
Find similar
American Airlines
Apr 18
AUS11:20 amAustin Bergstrom
6h 01m
1 stop
EYW6:21 pmKey West
Apr 23
EYW5:22 pmKey West
7h 33m
1 stop
AUS11:55 pmAustin Bergstrom
$280
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 18, 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

Sun 12/14

10:38 am-8:15 am

1 stop20h 37m

Key West

Sun 12/21

8:55 am-9:57 pm

1 stop14h 02m

$199

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Wed 1/7

6:00 am-9:26 am

1 stop26h 26m

Key West

Sun 1/11

12:15 pm-8:53 pm

1 stop9h 38m

$202

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Sun 12/14

5:30 am-11:20 am

1 stop4h 50m

Key West

Thu 12/18

12:20 pm-12:58 am

1 stop13h 38m

$216

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Sun 12/14

10:38 am-8:15 am

1 stop20h 37m

Key West

Sun 12/21

3:24 pm-4:18 pm

2 stops25h 54m

$221

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Wed 1/7

10:32 am-9:26 am

2 stops21h 54m

Key West

Sun 1/11

12:15 pm-8:53 pm

1 stop9h 38m

$222

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Thu 1/22

9:50 am-6:01 pm

1 stop7h 11m

Key West

Tue 1/27

7:08 am-2:13 pm

1 stop8h 05m

$225

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Thu 1/22

5:58 pm-12:26 pm

2 stops17h 28m

Key West

Sun 1/25

12:15 pm-8:53 pm

1 stop9h 38m

$228

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Thu 1/22

3:03 pm-9:47 pm

1 stop5h 44m

Key West

Tue 1/27

6:06 am-2:13 pm

2 stops9h 07m

$230

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Tue 12/2

6:10 am-10:07 am

2 stops26h 57m

Key West

Sat 12/6

2:30 pm-10:21 pm

1 stop8h 51m

$251

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Sun 12/14

5:30 am-11:20 am

1 stop4h 50m

Key West

Thu 12/18

12:20 pm-9:57 pm

2 stops10h 37m

$253

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 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 50m.

  • 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
8,003 reviews
Search Delta flights
American AirlinesPriceFrom $225Free CancellationRating
7.2
11,045 reviews
Search American Airlines flights
United AirlinesPriceFrom $258Free CancellationRating
7.4
9,019 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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