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Cheap flights from Austin to Key West from $109

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 4/17. 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
$174Spirit Airlines
Thu, Feb 26 - Thu, Mar 5
American Airlines Logo
9:15 am - 4:18 pm
AUS
-
EYW
6h 03m
1 stop
American Airlines Logo
7:42 pm - 12:09 am
EYW
-
AUS
5h 27m
1 stop
$191American Airlines
Tue, Mar 3 - Tue, Mar 10
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
$193Spirit Airlines
Thu, Feb 26 - Thu, Mar 5
American Airlines Logo
9:00 am - 7:15 pm
AUS
-
EYW
9h 15m
2 stops
American Airlines Logo
7:42 pm - 12:09 am
EYW
-
AUS
5h 27m
1 stop
$196American Airlines
Tue, Mar 3 - Tue, Mar 10
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
Sat, May 2 - Wed, May 6
Spirit Airlines Logo
7:20 am - 1:30 pm
AUS
-
EYW
5h 10m
1 stop
Spirit Airlines Logo
2:25 pm - 9:35 pm
EYW
-
AUS
8h 10m
1 stop
$205Spirit Airlines
Fri, Apr 24 - Mon, Apr 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
$206Spirit Airlines
Mon, Feb 16 - Thu, Feb 19
American Airlines Logo
3:39 pm - 10:37 pm
AUS
-
EYW
5h 58m
1 stop
American Airlines Logo
7:45 pm - 12:18 am
EYW
-
AUS
5h 33m
1 stop
$225American Airlines
Fri, Feb 27 - Tue, Mar 3
Multiple Airlines Logo
7:15 am - 12:26 pm
AUS
-
EYW
28h 11m
2 stops
Multiple Airlines Logo
1:06 pm - 4:04 pm
EYW
-
AUS
27h 58m
1 stop
$226Multiple Airlines
Thu, Mar 5 - Mon, Mar 9
Multiple Airlines Logo
10:11 am - 9:06 am
AUS
-
EYW
21h 55m
1 stop
Multiple Airlines Logo
12:25 pm - 11:06 am
EYW
-
AUS
23h 41m
1 stop
$228Multiple Airlines
Sat, Mar 21 - Tue, Mar 24

Spirit Airlines flights from Austin to Key West

Our best Spirit Airlines deals on Austin to Key West flight tickets
Spirit Airlines
Feb 26
AUS7:15 amAustin Bergstrom
5h 15m
1 stop
EYW1:30 pmKey West
Mar 5
EYW2:25 pmKey West
7h 28m
1 stop
AUS8:53 pmAustin Bergstrom
$174
Spirit Airlines
Feb 26
AUS7:15 amAustin Bergstrom
5h 15m
1 stop
EYW1:30 pmKey West
Mar 5
EYW2:25 pmKey West
7h 28m
1 stop
AUS8:53 pmAustin Bergstrom
$193
Spirit Airlines
Apr 24
AUS7:20 amAustin Bergstrom
5h 10m
1 stop
EYW1:30 pmKey West
Apr 27
EYW2:25 pmKey West
8h 10m
1 stop
AUS9:35 pmAustin Bergstrom
$205

American Airlines flights from Austin to Key West

Our best American Airlines deals on Austin to Key West flight tickets
American Airlines
Mar 3
AUS9:15 amAustin Bergstrom
6h 03m
1 stop
EYW4:18 pmKey West
Mar 10
EYW7:42 pmKey West
5h 27m
1 stop
AUS12:09 amAustin Bergstrom
$191
American Airlines
Mar 3
AUS9:00 amAustin Bergstrom
9h 15m
2 stops
EYW7:15 pmKey West
Mar 10
EYW7:42 pmKey West
5h 27m
1 stop
AUS12:09 amAustin 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

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 January 29, 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

Thu 2/26

7:15 am-1:30 pm

1 stop5h 15m

Key West

Thu 3/5

2:25 pm-8:53 pm

1 stop7h 28m

$174

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Tue 3/3

9:15 am-4:18 pm

1 stop6h 03m

Key West

Tue 3/10

7:42 pm-12:09 am

1 stop5h 27m

$191

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Thu 2/26

7:15 am-1:30 pm

1 stop5h 15m

Key West

Thu 3/5

2:25 pm-8:53 pm

1 stop7h 28m

$193

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Tue 3/3

9:00 am-7:15 pm

2 stops9h 15m

Key West

Tue 3/10

7:42 pm-12:09 am

1 stop5h 27m

$196

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Sat 5/2

1:55 pm-10:57 pm

2 stops8h 02m

Key West

Wed 5/6

6:45 am-1:04 pm

2 stops7h 19m

$201

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Fri 4/24

7:20 am-1:30 pm

1 stop5h 10m

Key West

Mon 4/27

2:25 pm-9:35 pm

1 stop8h 10m

$205

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Mon 2/16

7:15 am-1:30 pm

1 stop5h 15m

Key West

Thu 2/19

2:25 pm-8:53 pm

1 stop7h 28m

$206

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Fri 2/27

3:39 pm-10:37 pm

1 stop5h 58m

Key West

Tue 3/3

7:45 pm-12:18 am

1 stop5h 33m

$225

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Thu 3/5

7:15 am-12:26 pm

2 stops28h 11m

Key West

Mon 3/9

1:06 pm-4:04 pm

1 stop27h 58m

$226

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Sat 3/21

10:11 am-9:06 am

1 stop21h 55m

Key West

Tue 3/24

12:25 pm-11:06 am

1 stop23h 41m

$228

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 $299. 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 $364.

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 $427 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 January 2026, prices for Austin to Key West flights are approximately 165% 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
8,128 reviews
Search Delta flights
American AirlinesPriceFrom $198Free CancellationRating
7.2
11,205 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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