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Cheap flights from Austin to Key West from $135

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 4/24. 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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Find the cheapest flights from Austin to Key West

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
10:52 am - 5:14 pm
AUS
-
EYW
5h 22m
1 stop
Delta Logo
7:00 am - 11:03 am
EYW
-
AUS
5h 03m
1 stop
$231Delta
Tue, Aug 11 - Tue, Aug 18
American Airlines Logo
5:00 am - 4:20 pm
AUS
-
EYW
10h 20m
2 stops
American Airlines Logo
4:51 pm - 12:12 am
EYW
-
AUS
8h 21m
1 stop
$236American Airlines
Tue, Aug 11 - Tue, Aug 18
American Airlines Logo
5:00 am - 4:20 pm
AUS
-
EYW
10h 20m
2 stops
American Airlines Logo
3:00 pm - 11:48 pm
EYW
-
AUS
9h 48m
2 stops
$241American Airlines
Sat, Aug 22 - Wed, Aug 26
United Airlines Logo
7:15 am - 4:42 pm
AUS
-
EYW
8h 27m
1 stop
United Airlines Logo
4:38 pm - 9:34 pm
EYW
-
AUS
5h 56m
1 stop
$251United Airlines
Sat, Apr 18 - Tue, Apr 21
United Airlines Logo
5:30 am - 4:42 pm
AUS
-
EYW
10h 12m
2 stops
United Airlines Logo
4:38 pm - 9:34 pm
EYW
-
AUS
5h 56m
1 stop
$256United Airlines
Sat, Apr 18 - Tue, Apr 21
Delta Logo
10:52 am - 7:44 pm
AUS
-
EYW
7h 52m
1 stop
Delta Logo
6:00 pm - 12:26 am
EYW
-
AUS
7h 26m
1 stop
$265Delta
Mon, Jun 22 - Wed, Jul 1
Spirit Airlines Logo
6:00 am - 11:31 am
AUS
-
EYW
4h 31m
1 stop
Spirit Airlines Logo
2:30 pm - 11:40 pm
EYW
-
AUS
10h 10m
1 stop
$269Spirit Airlines
Thu, Apr 23 - Mon, Apr 27
Multiple Airlines Logo
12:16 pm - 9:06 am
AUS
-
EYW
19h 50m
1 stop
Multiple Airlines Logo
2:30 pm - 11:40 pm
EYW
-
AUS
10h 10m
1 stop
$273Multiple Airlines
Sat, Apr 18 - Mon, Apr 20
Delta Logo
5:25 am - 1:44 pm
AUS
-
EYW
7h 19m
1 stop
Delta Logo
7:33 am - 12:44 pm
EYW
-
AUS
6h 11m
1 stop
$285Delta
Wed, Apr 15 - Wed, Apr 22
American Airlines Logo
5:10 am - 1:07 pm
AUS
-
EYW
6h 57m
1 stop
American Airlines Logo
11:56 am - 5:49 pm
EYW
-
AUS
6h 53m
1 stop
$286American Airlines
Sat, May 2 - Wed, May 6

United Airlines flights from Austin to Key West

Our best United Airlines deals on Austin to Key West flight tickets
United Airlines
Apr 18
AUS7:15 amAustin Bergstrom
8h 27m
1 stop
EYW4:42 pmKey West
Apr 21
EYW4:38 pmKey West
5h 56m
1 stop
AUS9:34 pmAustin Bergstrom
$251
United Airlines
Apr 18
AUS5:30 amAustin Bergstrom
10h 12m
2 stops
EYW4:42 pmKey West
Apr 21
EYW4:38 pmKey West
5h 56m
1 stop
AUS9:34 pmAustin Bergstrom
$256
United Airlines
Apr 14
AUS9:35 amAustin Bergstrom
5h 22m
1 stop
EYW3:57 pmKey West
Apr 21
EYW4:38 pmKey West
5h 56m
1 stop
AUS9:34 pmAustin Bergstrom
$295

Spirit Airlines flights from Austin to Key West

Our best Spirit Airlines deals on Austin to Key West flight tickets
Spirit Airlines
Apr 23
AUS6:00 amAustin Bergstrom
4h 31m
1 stop
EYW11:31 amKey West
Apr 27
EYW2:30 pmKey West
10h 10m
1 stop
AUS11:40 pmAustin Bergstrom
$269
Spirit Airlines
Apr 5
AUS6:12 amAustin Bergstrom
4h 18m
1 stop
EYW11:30 amKey West
Apr 9
EYW12:25 pmKey West
12h 59m
1 stop
AUS12:24 amAustin Bergstrom
$288
Spirit Airlines
Apr 6
AUS4:59 pmAustin Bergstrom
17h 31m
1 stop
EYW11:30 amKey West
Apr 8
EYW12:25 pmKey West
12h 59m
1 stop
AUS12:24 amAustin Bergstrom
$296

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 March 22, 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

10:52 am-5:14 pm

1 stop5h 22m

Key West

Tue 8/18

7:00 am-11:03 am

1 stop5h 03m

$231

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Tue 8/11

5:00 am-4:20 pm

2 stops10h 20m

Key West

Tue 8/18

4:51 pm-12:12 am

1 stop8h 21m

$236

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Sat 8/22

5:00 am-4:20 pm

2 stops10h 20m

Key West

Wed 8/26

3:00 pm-11:48 pm

2 stops9h 48m

$241

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Sat 4/18

7:15 am-4:42 pm

1 stop8h 27m

Key West

Tue 4/21

4:38 pm-9:34 pm

1 stop5h 56m

$251

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Sat 4/18

5:30 am-4:42 pm

2 stops10h 12m

Key West

Tue 4/21

4:38 pm-9:34 pm

1 stop5h 56m

$256

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Mon 6/22

10:52 am-7:44 pm

1 stop7h 52m

Key West

Wed 7/1

6:00 pm-12:26 am

1 stop7h 26m

$265

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Thu 4/23

6:00 am-11:31 am

1 stop4h 31m

Key West

Mon 4/27

2:30 pm-11:40 pm

1 stop10h 10m

$269

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Sat 4/18

12:16 pm-9:06 am

1 stop19h 50m

Key West

Mon 4/20

2:30 pm-11:40 pm

1 stop10h 10m

$273

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Wed 4/15

5:25 am-1:44 pm

1 stop7h 19m

Key West

Wed 4/22

7:33 am-12:44 pm

1 stop6h 11m

$285

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Sat 5/2

5:10 am-1:07 pm

1 stop6h 57m

Key West

Wed 5/6

11:56 am-5:49 pm

1 stop6h 53m

$286

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 $273.

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 $414 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 $221 on momondo.

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

As of March 2026, prices for Austin to Key West flights are approximately 37% 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

Fastest flight time

5h 22m

Direct flights

None
The fastest flight from Austin to Key West takes 5h 22m
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 5h 22m.

  • 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
8,314 reviews
Search Delta flights
American AirlinesPriceFrom $198Free CancellationRating
7.1
11,488 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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