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Cheap flights from Austin to Key West from $120

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 2/22. 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.
Spirit Airlines Logo
7:15 am - 1:30 pm
AUS
-
EYW
5h 15m
1 stop
Spirit Airlines Logo
2:25 pm - 8:53 pm
EYW
-
AUS
7h 28m
1 stop
$145Spirit Airlines
Mon, Mar 2 - Fri, Mar 6
Spirit Airlines Logo
4:59 pm - 11:30 am
AUS
-
EYW
17h 31m
1 stop
Spirit Airlines Logo
12:06 pm - 9:26 pm
EYW
-
AUS
10h 20m
1 stop
$197Spirit Airlines
Sat, Apr 11 - Thu, Apr 30
Spirit Airlines Logo
6:12 am - 1:37 pm
AUS
-
EYW
6h 25m
1 stop
Spirit Airlines Logo
12:25 pm - 12:24 am
EYW
-
AUS
12h 59m
1 stop
$199Spirit Airlines
Mon, Apr 6 - Wed, Apr 8
Spirit Airlines Logo
4:59 pm - 11:30 am
AUS
-
EYW
17h 31m
1 stop
Spirit Airlines Logo
12:06 pm - 9:26 pm
EYW
-
AUS
10h 20m
1 stop
$201Spirit Airlines
Tue, Apr 7 - Thu, Apr 30
Spirit Airlines Logo
6:12 am - 11:30 am
AUS
-
EYW
4h 18m
1 stop
Spirit Airlines Logo
12:25 pm - 12:24 am
EYW
-
AUS
12h 59m
1 stop
$206Spirit Airlines
Tue, Apr 7 - Thu, Apr 9
Spirit Airlines Logo
6:12 am - 1:37 pm
AUS
-
EYW
6h 25m
1 stop
Spirit Airlines Logo
12:25 pm - 12:24 am
EYW
-
AUS
12h 59m
1 stop
$208Spirit Airlines
Mon, Apr 6 - Thu, Apr 9
Spirit Airlines Logo
8:12 pm - 11:30 am
AUS
-
EYW
14h 18m
2 stops
Spirit Airlines Logo
12:06 pm - 9:26 pm
EYW
-
AUS
10h 20m
1 stop
$210Spirit Airlines
Sat, Apr 11 - Thu, Apr 30
Spirit Airlines Logo
6:12 am - 11:30 am
AUS
-
EYW
4h 18m
1 stop
Spirit Airlines Logo
12:25 pm - 12:24 am
EYW
-
AUS
12h 59m
1 stop
$211Spirit Airlines
Thu, Mar 19 - Thu, Mar 26
Spirit Airlines Logo
4:59 pm - 11:30 am
AUS
-
EYW
17h 31m
1 stop
Spirit Airlines Logo
12:06 pm - 9:26 pm
EYW
-
AUS
10h 20m
1 stop
$212Spirit Airlines
Sat, Apr 4 - Thu, Apr 30
Multiple Airlines Logo
8:12 pm - 11:11 am
AUS
-
EYW
13h 59m
1 stop
Multiple Airlines Logo
12:06 pm - 9:26 pm
EYW
-
AUS
10h 20m
1 stop
$218Multiple Airlines
Tue, Apr 14 - Thu, Apr 30

American Airlines flights from Austin to Key West

Our best American Airlines deals on Austin to Key West flight tickets
American Airlines
May 2
AUS4:57 pmAustin Bergstrom
5h 01m
1 stop
EYW10:58 pmKey West
May 6
EYW2:01 pmKey West
6h 13m
1 stop
AUS7:14 pmAustin Bergstrom
$246
American Airlines
May 2
AUS12:43 pmAustin Bergstrom
9h 15m
2 stops
EYW10:58 pmKey West
May 6
EYW2:01 pmKey West
8h 42m
1 stop
AUS9:43 pmAustin Bergstrom
$251
American Airlines
May 2
AUS1:55 pmAustin Bergstrom
8h 03m
2 stops
EYW10:58 pmKey West
May 6
EYW6:45 amKey West
8h 56m
2 stops
AUS2:41 pmAustin Bergstrom
$257

Spirit Airlines flights from Austin to Key West

Our best Spirit Airlines deals on Austin to Key West flight tickets
Spirit Airlines
Mar 2
AUS7:15 amAustin Bergstrom
5h 15m
1 stop
EYW1:30 pmKey West
Mar 6
EYW2:25 pmKey West
7h 28m
1 stop
AUS8:53 pmAustin Bergstrom
$145
Spirit Airlines
Apr 11
AUS4:59 pmAustin Bergstrom
17h 31m
1 stop
EYW11:30 amKey West
Apr 30
EYW12:06 pmKey West
10h 20m
1 stop
AUS9:26 pmAustin Bergstrom
$197
Spirit Airlines
Apr 6
AUS6:12 amAustin Bergstrom
6h 25m
1 stop
EYW1:37 pmKey West
Apr 8
EYW12:25 pmKey West
12h 59m
1 stop
AUS12:24 amAustin Bergstrom
$199

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 February 18, 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

Mon 3/2

7:15 am-1:30 pm

1 stop5h 15m

Key West

Fri 3/6

2:25 pm-8:53 pm

1 stop7h 28m

$145

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Sat 4/11

4:59 pm-11:30 am

1 stop17h 31m

Key West

Thu 4/30

12:06 pm-9:26 pm

1 stop10h 20m

$197

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Mon 4/6

6:12 am-1:37 pm

1 stop6h 25m

Key West

Wed 4/8

12:25 pm-12:24 am

1 stop12h 59m

$199

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Tue 4/7

4:59 pm-11:30 am

1 stop17h 31m

Key West

Thu 4/30

12:06 pm-9:26 pm

1 stop10h 20m

$201

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Tue 4/7

6:12 am-11:30 am

1 stop4h 18m

Key West

Thu 4/9

12:25 pm-12:24 am

1 stop12h 59m

$206

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Mon 4/6

6:12 am-1:37 pm

1 stop6h 25m

Key West

Thu 4/9

12:25 pm-12:24 am

1 stop12h 59m

$208

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Sat 4/11

8:12 pm-11:30 am

2 stops14h 18m

Key West

Thu 4/30

12:06 pm-9:26 pm

1 stop10h 20m

$210

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Thu 3/19

6:12 am-11:30 am

1 stop4h 18m

Key West

Thu 3/26

12:25 pm-12:24 am

1 stop12h 59m

$211

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Sat 4/4

4:59 pm-11:30 am

1 stop17h 31m

Key West

Thu 4/30

12:06 pm-9:26 pm

1 stop10h 20m

$212

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Tue 4/14

8:12 pm-11:11 am

1 stop13h 59m

Key West

Thu 4/30

12:06 pm-9:26 pm

1 stop10h 20m

$218

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, January 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 $273. If you are unable to visit Key West during the month of January, then departing from Austin during the month August is also very affordable. Most momondo users find prices during this month for around $303.

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 $426 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 February 2026, prices for Austin to Key West flights are approximately 140% 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

4h 18m

Direct flights

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

  • 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 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
DeltaPriceFrom $196Free CancellationRating
7.9
8,208 reviews
Search Delta flights
American AirlinesPriceFrom $198Free CancellationRating
7.2
11,307 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.
Start using Trips
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