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Cheap flights from Austin to Key West from $137

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 6/13. 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

Enter your travel dates to find the best prices.
Delta Logo
12:20 pm - 7:45 pm
AUS
-
EYW
6h 25m
1 stop
Delta Logo
7:00 am - 12:33 pm
EYW
-
AUS
6h 33m
1 stop
$231Delta
Tue, Aug 11 - Tue, Aug 18
American Airlines Logo
5:00 am - 4:18 pm
AUS
-
EYW
10h 18m
2 stops
American Airlines Logo
1:50 pm - 7:21 pm
EYW
-
AUS
6h 31m
1 stop
$236American Airlines
Tue, Aug 11 - Tue, Aug 18
Delta Logo
12:09 pm - 7:51 pm
AUS
-
EYW
6h 42m
1 stop
Delta Logo
2:24 pm - 8:22 pm
EYW
-
AUS
6h 58m
1 stop
$265Delta
Thu, Jul 30 - Tue, Aug 4
Multiple Airlines Logo
12:44 pm - 1:24 pm
AUS
-
EYW
23h 40m
2 stops
Multiple Airlines Logo
10:55 am - 3:48 pm
EYW
-
AUS
29h 53m
1 stop
$269Multiple Airlines
Sat, May 23 - Thu, May 28
American Airlines Logo
8:45 am - 4:18 pm
AUS
-
EYW
6h 33m
1 stop
American Airlines Logo
4:50 pm - 10:26 pm
EYW
-
AUS
6h 36m
1 stop
$285American Airlines
Tue, Aug 11 - Tue, Aug 18
Multiple Airlines Logo
9:13 pm - 1:07 pm
AUS
-
EYW
14h 54m
2 stops
Multiple Airlines Logo
2:51 pm - 10:50 am
EYW
-
AUS
20h 59m
1 stop
$287Multiple Airlines
Sat, May 9 - Fri, May 22
American Airlines Logo
8:45 am - 6:31 pm
AUS
-
EYW
8h 46m
2 stops
American Airlines Logo
4:50 pm - 10:26 pm
EYW
-
AUS
6h 36m
1 stop
$290American Airlines
Tue, Aug 11 - Tue, Aug 18
Delta Logo
10:38 am - 5:23 pm
AUS
-
EYW
5h 45m
1 stop
Delta Logo
7:30 am - 1:43 pm
EYW
-
AUS
7h 13m
1 stop
$292Delta
Wed, May 27 - Wed, Jun 3
Multiple Airlines Logo
9:13 pm - 11:06 am
AUS
-
EYW
36h 53m
2 stops
Multiple Airlines Logo
2:51 pm - 10:50 am
EYW
-
AUS
20h 59m
1 stop
$294Multiple Airlines
Mon, May 11 - Fri, May 22
Multiple Airlines Logo
12:44 pm - 1:07 pm
AUS
-
EYW
23h 23m
2 stops
Multiple Airlines Logo
9:24 pm - 10:50 am
EYW
-
AUS
14h 26m
1 stop
$297Multiple Airlines
Sat, May 9 - Sun, May 24

Delta flights from Austin to Key West

Our best Delta deals on Austin to Key West flight tickets
Delta
Aug 11
AUS12:20 pmAustin Bergstrom
6h 25m
1 stop
EYW7:45 pmKey West
Aug 18
EYW7:00 amKey West
6h 33m
1 stop
AUS12:33 pmAustin Bergstrom
$231
Delta
Jul 30
AUS12:09 pmAustin Bergstrom
6h 42m
1 stop
EYW7:51 pmKey West
Aug 4
EYW2:24 pmKey West
6h 58m
1 stop
AUS8:22 pmAustin Bergstrom
$265
Delta
May 27
AUS10:38 amAustin Bergstrom
5h 45m
1 stop
EYW5:23 pmKey West
Jun 3
EYW7:30 amKey West
7h 13m
1 stop
AUS1:43 pmAustin Bergstrom
$292

American Airlines flights from Austin to Key West

Our best American Airlines deals on Austin to Key West flight tickets
American Airlines
Aug 11
AUS5:00 amAustin Bergstrom
10h 18m
2 stops
EYW4:18 pmKey West
Aug 18
EYW1:50 pmKey West
6h 31m
1 stop
AUS7:21 pmAustin Bergstrom
$236
American Airlines
Aug 11
AUS8:45 amAustin Bergstrom
6h 33m
1 stop
EYW4:18 pmKey West
Aug 18
EYW4:50 pmKey West
6h 36m
1 stop
AUS10:26 pmAustin Bergstrom
$285
American Airlines
Aug 11
AUS8:45 amAustin Bergstrom
8h 46m
2 stops
EYW6:31 pmKey West
Aug 18
EYW4:50 pmKey West
6h 36m
1 stop
AUS10:26 pmAustin Bergstrom
$290

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 April 30, 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

Cheapest round-trip
Quickest round-trip

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Tue 8/11

12:20 pm-7:45 pm

1 stop6h 25m

Key West

Tue 8/18

7:00 am-12:33 pm

1 stop6h 33m

$231

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Tue 8/11

5:00 am-4:18 pm

2 stops10h 18m

Key West

Tue 8/18

1:50 pm-7:21 pm

1 stop6h 31m

$236

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Thu 7/30

12:09 pm-7:51 pm

1 stop6h 42m

Key West

Tue 8/4

2:24 pm-8:22 pm

1 stop6h 58m

$265

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Sat 5/23

12:44 pm-1:24 pm

2 stops23h 40m

Key West

Thu 5/28

10:55 am-3:48 pm

1 stop29h 53m

$269

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Tue 8/11

8:45 am-4:18 pm

1 stop6h 33m

Key West

Tue 8/18

4:50 pm-10:26 pm

1 stop6h 36m

$285

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Sat 5/9

9:13 pm-1:07 pm

2 stops14h 54m

Key West

Fri 5/22

2:51 pm-10:50 am

1 stop20h 59m

$287

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Tue 8/11

8:45 am-6:31 pm

2 stops8h 46m

Key West

Tue 8/18

4:50 pm-10:26 pm

1 stop6h 36m

$290

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Wed 5/27

10:38 am-5:23 pm

1 stop5h 45m

Key West

Wed 6/3

7:30 am-1:43 pm

1 stop7h 13m

$292

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Mon 5/11

9:13 pm-11:06 am

2 stops36h 53m

Key West

Fri 5/22

2:51 pm-10:50 am

1 stop20h 59m

$294

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Sat 5/9

12:44 pm-1:07 pm

2 stops23h 23m

Key West

Sun 5/24

9:24 pm-10:50 am

1 stop14h 26m

$297

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 $260. 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 $287.

How far in advance should I book a flight from Austin 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 $403 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 $287 on momondo.

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

As of April 2026, prices for Austin to Key West flights are approximately 196% more expensive 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

Fastest flight time

5h 18m

Direct flights

None
The fastest flight from Austin to Key West takes 5h 18m
There are no direct flights from Austin to Key West. There are no popular flight routes from Austin to Key West.
Search flight deals

Frequently asked questions about flying from Austin to Key West

  • 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 5h 18m.

  • 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
Spirit AirlinesPriceFrom $125Free CancellationRating
6.3
8,634 reviews
Search Spirit Airlines flights
DeltaPriceFrom $196Free CancellationRating
7.9
8,463 reviews
Search Delta flights
American AirlinesPriceFrom $224Free CancellationRating
7.1
11,683 reviews
Search American 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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