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Cheap flights from Austin to Key West from $175

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.
Multiple Airlines Logo
11:30 am - 11:25 am
AUS
-
EYW
22h 55m
1 stop
Multiple Airlines Logo
1:14 pm - 1:08 pm
EYW
-
AUS
24h 54m
2 stops
$219Multiple Airlines
Sat, May 9 - Tue, May 12
Delta Logo
12:20 pm - 7:45 pm
AUS
-
EYW
6h 25m
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 - 4:18 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
American Airlines Logo
1:55 pm - 10:58 pm
AUS
-
EYW
8h 03m
2 stops
American Airlines Logo
6:45 am - 1:04 pm
EYW
-
AUS
7h 19m
2 stops
$241American Airlines
Wed, May 13 - Wed, May 20
Multiple Airlines Logo
8:59 pm - 12:26 pm
AUS
-
EYW
14h 27m
1 stop
Multiple Airlines Logo
11:46 am - 4:52 pm
EYW
-
AUS
30h 06m
2 stops
$250Multiple Airlines
Sun, May 3 - Wed, May 6
American Airlines Logo
10:50 am - 4:30 pm
AUS
-
EYW
4h 40m
1 stop
American Airlines Logo
7:49 pm - 11:59 pm
EYW
-
AUS
5h 10m
1 stop
$258American Airlines
Tue, May 19 - Sat, May 23
American Airlines Logo
1:55 pm - 10:58 pm
AUS
-
EYW
8h 03m
2 stops
American Airlines Logo
7:49 pm - 11:59 pm
EYW
-
AUS
5h 10m
1 stop
$263American Airlines
Tue, May 19 - Sat, May 23
Delta Logo
12:09 pm - 7:53 pm
AUS
-
EYW
6h 44m
1 stop
Delta Logo
7:45 am - 12:25 pm
EYW
-
AUS
5h 40m
1 stop
$265Delta
Sat, Jul 4 - Thu, Jul 9
Multiple Airlines Logo
5:42 pm - 12:48 pm
AUS
-
EYW
18h 06m
1 stop
Multiple Airlines Logo
11:04 am - 7:52 am
EYW
-
AUS
21h 48m
2 stops
$271Multiple Airlines
Sat, Jul 4 - Thu, Jul 9
Multiple Airlines Logo
5:47 pm - 11:04 am
AUS
-
EYW
40h 17m
2 stops
Multiple Airlines Logo
12:05 pm - 10:50 am
EYW
-
AUS
23h 45m
1 stop
$288Multiple Airlines
Thu, May 14 - Thu, May 21

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
7h 41m
1 stop
AUS1:41 pmAustin Bergstrom
$231
Delta
Jul 4
AUS12:09 pmAustin Bergstrom
6h 44m
1 stop
EYW7:53 pmKey West
Jul 9
EYW7:45 amKey West
5h 40m
1 stop
AUS12:25 pmAustin Bergstrom
$265
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
$299

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
May 13
AUS1:55 pmAustin Bergstrom
8h 03m
2 stops
EYW10:58 pmKey West
May 20
EYW6:45 amKey West
7h 19m
2 stops
AUS1:04 pmAustin Bergstrom
$241
American Airlines
May 19
AUS10:50 amAustin Bergstrom
4h 40m
1 stop
EYW4:30 pmKey West
May 23
EYW7:49 pmKey West
5h 10m
1 stop
AUS11:59 pmAustin Bergstrom
$258

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 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

Cheapest round-trip

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Sat 5/9

11:30 am-11:25 am

1 stop22h 55m

Key West

Tue 5/12

1:14 pm-1:08 pm

2 stops24h 54m

$219

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-11:03 am

1 stop5h 03m

$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

Wed 5/13

1:55 pm-10:58 pm

2 stops8h 03m

Key West

Wed 5/20

6:45 am-1:04 pm

2 stops7h 19m

$241

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Sun 5/3

8:59 pm-12:26 pm

1 stop14h 27m

Key West

Wed 5/6

11:46 am-4:52 pm

2 stops30h 06m

$250
Quickest round-trip

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Tue 5/19

10:50 am-4:30 pm

1 stop4h 40m

Key West

Sat 5/23

7:49 pm-11:59 pm

1 stop5h 10m

$258

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Tue 5/19

1:55 pm-10:58 pm

2 stops8h 03m

Key West

Sat 5/23

7:49 pm-11:59 pm

1 stop5h 10m

$263

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Sat 7/4

12:09 pm-7:53 pm

1 stop6h 44m

Key West

Thu 7/9

7:45 am-12:25 pm

1 stop5h 40m

$265

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Sat 7/4

5:42 pm-12:48 pm

1 stop18h 06m

Key West

Thu 7/9

11:04 am-7:52 am

2 stops21h 48m

$271

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Thu 5/14

5:47 pm-11:04 am

2 stops40h 17m

Key West

Thu 5/21

12:05 pm-10:50 am

1 stop23h 45m

$288

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 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 $404 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 $333 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 20m

Direct flights

None
The fastest flight from Austin to Key West takes 5h 20m
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 20m.

  • 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
8,622 reviews
Search Spirit Airlines flights
DeltaPriceFrom $196Free CancellationRating
7.9
8,423 reviews
Search Delta flights
American AirlinesPriceFrom $224Free CancellationRating
7.1
11,610 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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