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Cheap flights from Austin to Key West from $143

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 8/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
9:13 pm - 12:34 pm
AUS
-
EYW
14h 21m
2 stops
Multiple Airlines Logo
12:07 pm - 10:45 am
EYW
-
AUS
23h 38m
1 stop
$218Multiple Airlines
週一, 5月 11 - 週五, 5月 15
American Airlines Logo
4:57 pm - 10:58 pm
AUS
-
EYW
5h 01m
1 stop
American Airlines Logo
4:20 pm - 11:17 pm
EYW
-
AUS
7h 57m
1 stop
$231American Airlines
週六, 5月 2 - 週三, 5月 6
American Airlines Logo
1:55 pm - 10:58 pm
AUS
-
EYW
8h 03m
2 stops
American Airlines Logo
2:01 pm - 7:14 pm
EYW
-
AUS
6h 13m
1 stop
$236American Airlines
週六, 5月 2 - 週三, 5月 6
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
週六, 5月 2 - 週三, 5月 6
Delta Logo
1:31 pm - 7:49 pm
AUS
-
EYW
5h 18m
1 stop
Delta Logo
6:19 pm - 12:31 am
EYW
-
AUS
7h 12m
1 stop
$265Delta
週四, 5月 7 - 週二, 5月 12
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
$268American Airlines
週二, 8月 11 - 週二, 8月 18
American Airlines Logo
1:55 pm - 10:58 pm
AUS
-
EYW
8h 03m
2 stops
American Airlines Logo
11:28 am - 5:20 pm
EYW
-
AUS
6h 52m
1 stop
$270American Airlines
週六, 5月 16 - 週四, 5月 21
Multiple Airlines Logo
4:59 pm - 12:21 pm
AUS
-
EYW
18h 22m
2 stops
Multiple Airlines Logo
9:46 am - 6:17 pm
EYW
-
AUS
9h 31m
1 stop
$271Multiple Airlines
週一, 4月 13 - 週四, 4月 16
Multiple Airlines Logo
6:12 am - 1:37 pm
AUS
-
EYW
6h 25m
1 stop
Multiple Airlines Logo
1:06 pm - 11:21 am
EYW
-
AUS
23h 15m
1 stop
$273Multiple Airlines
週一, 4月 13 - 週五, 4月 17
Multiple Airlines Logo
6:12 am - 1:37 pm
AUS
-
EYW
6h 25m
1 stop
Multiple Airlines Logo
9:46 am - 6:17 pm
EYW
-
AUS
9h 31m
1 stop
$278Multiple Airlines
週一, 4月 13 - 週四, 4月 16

Spirit Airlines flights from Austin to Key West

Our best Spirit Airlines deals on Austin to Key West flight tickets
Spirit Airlines
Apr 13
AUS8:12 pmAustin Bergstrom
14h 18m
2 stops
EYW11:30 amKey West
Apr 17
EYW2:30 pmKey West
18h 50m
2 stops
AUS8:20 amAustin Bergstrom
$377
Spirit Airlines
Apr 13
AUS8:12 pmAustin Bergstrom
14h 18m
2 stops
EYW11:30 amKey West
Apr 16
EYW12:26 pmKey West
20h 54m
2 stops
AUS8:20 amAustin Bergstrom
$479
Spirit Airlines
Apr 13
AUS1:26 pmAustin Bergstrom
21h 04m
3 stops
EYW11:30 amKey West
Apr 17
EYW2:30 pmKey West
18h 50m
2 stops
AUS8:20 amAustin Bergstrom
$555

Delta flights from Austin to Key West

Our best Delta deals on Austin to Key West flight tickets
Delta
May 7
AUS1:31 pmAustin Bergstrom
5h 18m
1 stop
EYW7:49 pmKey West
May 12
EYW6:19 pmKey West
7h 12m
1 stop
AUS12:31 amAustin Bergstrom
$265
Delta
Jul 30
AUS1:31 pmAustin Bergstrom
5h 20m
1 stop
EYW7:51 pmKey West
Aug 4
EYW6:18 pmKey West
7h 00m
1 stop
AUS12:18 amAustin Bergstrom
$299
Delta
Jul 10
AUS1:31 pmAustin Bergstrom
5h 20m
1 stop
EYW7:51 pmKey West
Jul 14
EYW7:45 amKey West
7h 06m
1 stop
AUS1:51 pmAustin Bergstrom
$329

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 4月 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

Cheapest round-trip

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

週一 5/11

9:13 pm-12:34 pm

2 stops14h 21m

Key West

週五 5/15

12:07 pm-10:45 am

1 stop23h 38m

$218

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

週六 5/2

4:57 pm-10:58 pm

1 stop5h 01m

Key West

週三 5/6

4:20 pm-11:17 pm

1 stop7h 57m

$231

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

週六 5/2

1:55 pm-10:58 pm

2 stops8h 03m

Key West

週三 5/6

2:01 pm-7:14 pm

1 stop6h 13m

$236

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

週六 5/2

1:55 pm-10:58 pm

2 stops8h 03m

Key West

週三 5/6

6:45 am-1:04 pm

2 stops7h 19m

$241
Quickest round-trip

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

週四 5/7

1:31 pm-7:49 pm

1 stop5h 18m

Key West

週二 5/12

6:19 pm-12:31 am

1 stop7h 12m

$265

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

週二 8/11

5:00 am-4:20 pm

2 stops10h 20m

Key West

週二 8/18

3:00 pm-11:48 pm

2 stops9h 48m

$268

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

週六 5/16

1:55 pm-10:58 pm

2 stops8h 03m

Key West

週四 5/21

11:28 am-5:20 pm

1 stop6h 52m

$270

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

週一 4/13

4:59 pm-12:21 pm

2 stops18h 22m

Key West

週四 4/16

9:46 am-6:17 pm

1 stop9h 31m

$271

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

週一 4/13

6:12 am-1:37 pm

1 stop6h 25m

Key West

週五 4/17

1:06 pm-11:21 am

1 stop23h 15m

$273

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

週一 4/13

6:12 am-1:37 pm

1 stop6h 25m

Key West

週四 4/16

9:46 am-6:17 pm

1 stop9h 31m

$278

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 April 2026, prices for Austin to Key West flights are approximately 164% 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
8,576 reviews
Search Spirit Airlines flights
DeltaPriceFrom $196Free CancellationRating
7.9
8,374 reviews
Search Delta flights
American AirlinesPriceFrom $224Free CancellationRating
7.1
11,552 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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週六 5/2
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