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Cheap flights from Austin to Key West from $106

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 3/21. 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

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
$149Spirit Airlines
lun., feb. 23 - vie., feb. 27
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
$152Spirit Airlines
jue., feb. 26 - lun., mar. 2
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
$155Spirit Airlines
lun., feb. 16 - vie., feb. 20
Spirit Airlines Logo
6:12 am - 11:30 am
AUS
-
EYW
4h 18m
1 stop
Spirit Airlines Logo
12:15 pm - 9:35 pm
EYW
-
AUS
10h 20m
1 stop
$193Spirit Airlines
dom., abr. 12 - jue., abr. 23
American Airlines Logo
1:55 pm - 10:57 pm
AUS
-
EYW
8h 02m
2 stops
American Airlines Logo
2:01 pm - 9:43 pm
EYW
-
AUS
8h 42m
1 stop
$196American Airlines
sáb., may. 2 - mié., may. 6
Spirit Airlines Logo
6:12 am - 1:37 pm
AUS
-
EYW
6h 25m
1 stop
Spirit Airlines Logo
2:35 pm - 12:24 am
EYW
-
AUS
10h 49m
1 stop
$197Spirit Airlines
lun., mar. 23 - vie., mar. 27
American Airlines Logo
1:55 pm - 10:57 pm
AUS
-
EYW
8h 02m
2 stops
American Airlines Logo
6:45 am - 1:04 pm
EYW
-
AUS
7h 19m
2 stops
$201American Airlines
sáb., may. 2 - mié., may. 6
Multiple Airlines Logo
7:15 am - 1:30 pm
AUS
-
EYW
5h 15m
1 stop
Multiple Airlines Logo
1:06 pm - 10:29 am
EYW
-
AUS
22h 23m
2 stops
$210Multiple Airlines
lun., feb. 23 - vie., feb. 27
Multiple Airlines Logo
4:59 pm - 9:06 am
AUS
-
EYW
15h 07m
1 stop
Multiple Airlines Logo
12:40 pm - 10:29 am
EYW
-
AUS
22h 49m
2 stops
$215Multiple Airlines
sáb., feb. 28 - mié., mar. 4
Multiple Airlines Logo
4:59 pm - 9:06 am
AUS
-
EYW
15h 07m
1 stop
Multiple Airlines Logo
12:38 pm - 10:29 am
EYW
-
AUS
22h 51m
2 stops
$217Multiple Airlines
sáb., feb. 21 - mié., feb. 25

Spirit Airlines flights from Austin to Key West

Our best Spirit Airlines deals on Austin to Key West flight tickets
Spirit Airlines
Feb 23
AUS7:15 amAustin Bergstrom
5h 15m
1 stop
EYW1:30 pmKey West
Feb 27
EYW2:25 pmKey West
7h 28m
1 stop
AUS8:53 pmAustin Bergstrom
$149
Spirit Airlines
Feb 26
AUS7:15 amAustin Bergstrom
5h 15m
1 stop
EYW1:30 pmKey West
Mar 2
EYW2:25 pmKey West
7h 28m
1 stop
AUS8:53 pmAustin Bergstrom
$152
Spirit Airlines
Feb 16
AUS7:15 amAustin Bergstrom
5h 15m
1 stop
EYW1:30 pmKey West
Feb 20
EYW2:25 pmKey West
7h 28m
1 stop
AUS8:53 pmAustin Bergstrom
$155

American Airlines flights from Austin to Key West

Our best American Airlines deals on Austin to Key West flight tickets
American Airlines
May 2
AUS1:55 pmAustin Bergstrom
8h 02m
2 stops
EYW10:57 pmKey West
May 6
EYW2:01 pmKey West
8h 42m
1 stop
AUS9:43 pmAustin Bergstrom
$196
American Airlines
May 2
AUS1:55 pmAustin Bergstrom
8h 02m
2 stops
EYW10:57 pmKey West
May 6
EYW6:45 amKey West
7h 19m
2 stops
AUS1:04 pmAustin Bergstrom
$201
American Airlines
Feb 27
AUS3:39 pmAustin Bergstrom
5h 58m
1 stop
EYW10:37 pmKey West
Mar 3
EYW7:45 pmKey West
5h 33m
1 stop
AUS12:18 amAustin Bergstrom
$235

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 febrero 2, 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

lun. 2/23

7:15 am-1:30 pm

1 stop5h 15m

Key West

vie. 2/27

2:25 pm-8:53 pm

1 stop7h 28m

$149

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

jue. 2/26

7:15 am-1:30 pm

1 stop5h 15m

Key West

lun. 3/2

2:25 pm-8:53 pm

1 stop7h 28m

$152

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

lun. 2/16

7:15 am-1:30 pm

1 stop5h 15m

Key West

vie. 2/20

2:25 pm-8:53 pm

1 stop7h 28m

$155

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

dom. 4/12

6:12 am-11:30 am

1 stop4h 18m

Key West

jue. 4/23

12:15 pm-9:35 pm

1 stop10h 20m

$193

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

sáb. 5/2

1:55 pm-10:57 pm

2 stops8h 02m

Key West

mié. 5/6

2:01 pm-9:43 pm

1 stop8h 42m

$196

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

lun. 3/23

6:12 am-1:37 pm

1 stop6h 25m

Key West

vie. 3/27

2:35 pm-12:24 am

1 stop10h 49m

$197

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

sáb. 5/2

1:55 pm-10:57 pm

2 stops8h 02m

Key West

mié. 5/6

6:45 am-1:04 pm

2 stops7h 19m

$201

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

lun. 2/23

7:15 am-1:30 pm

1 stop5h 15m

Key West

vie. 2/27

1:06 pm-10:29 am

2 stops22h 23m

$210

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

sáb. 2/28

4:59 pm-9:06 am

1 stop15h 07m

Key West

mié. 3/4

12:40 pm-10:29 am

2 stops22h 49m

$215

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

sáb. 2/21

4:59 pm-9:06 am

1 stop15h 07m

Key West

mié. 2/25

12:38 pm-10:29 am

2 stops22h 51m

$217

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 $301. 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 $423 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

5h 04m

Direct flights

None
The fastest flight from Austin to Key West takes 5h 04m
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 04m.

  • 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
8,130 reviews
Search Delta flights
American AirlinesPriceFrom $198Free CancellationRating
7.2
11,212 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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1 adult
mié. 3/4
mié. 3/11
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