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Cheap flights from Austin to Key West from $139

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 10/22. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
10:50 am - 9:24 amAUS  Austin Bergstrom-EYW Key West
21h 34m2 stops Atlanta Hartsfield-Jackson Tampa
Multiple Airlines Logo
10:59 am - 10:32 amEYW  Key West-AUS Austin Bergstrom
24h 33m1 stop Orlando
$221Multiple Airlines
Tue, Nov 3 - Fri, Nov 6
Multiple Airlines Logo
10:58 am - 10:19 amAUS  Austin Bergstrom-EYW Key West
22h 21m1 stop Orlando
Multiple Airlines Logo
10:04 am - 5:48 pmEYW  Key West-AUS Austin Bergstrom
32h 44m2 stops Tampa Atlanta Hartsfield-Jackson
$227Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
Multiple Airlines Logo
10:58 am - 10:19 amAUS  Austin Bergstrom-EYW Key West
22h 21m1 stop Orlando
Multiple Airlines Logo
10:04 am - 5:48 pmEYW  Key West-AUS Austin Bergstrom
32h 44m2 stops Tampa Atlanta Hartsfield-Jackson
$238Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
Multiple Airlines Logo
10:50 am - 9:24 amAUS  Austin Bergstrom-EYW Key West
21h 34m2 stops Atlanta Hartsfield-Jackson Tampa
Multiple Airlines Logo
2:54 pm - 10:12 amEYW  Key West-AUS Austin Bergstrom
20h 18m1 stop Orlando Sanford Intl
$259Multiple Airlines
Fri, Oct 16 - Mon, Oct 19
Delta Logo
1:34 pm - 8:00 pmAUS  Austin Bergstrom-EYW Key West
5h 26m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:40 am - 1:55 pmEYW  Key West-AUS Austin Bergstrom
7h 15m1 stop Atlanta Hartsfield-Jackson
$295Delta
Sat, Sep 12 - Sat, Sep 19
American Airlines Logo
8:00 am - 4:11 pmAUS  Austin Bergstrom-EYW Key West
7h 11m1 stop Charlotte Douglas
American Airlines Logo
3:30 pm - 11:16 pmEYW  Key West-AUS Austin Bergstrom
8h 46m1 stop Charlotte Douglas
$312American Airlines
Sun, Sep 6 - Fri, Sep 11
American Airlines Logo
5:00 am - 1:05 pmAUS  Austin Bergstrom-EYW Key West
7h 05m1 stop Miami
American Airlines Logo
2:15 pm - 9:08 pmEYW  Key West-AUS Austin Bergstrom
7h 53m1 stop Charlotte Douglas
$312American Airlines
Sun, Sep 6 - Thu, Sep 10
Delta Logo
12:08 pm - 8:00 pmAUS  Austin Bergstrom-EYW Key West
6h 52m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:40 am - 1:55 pmEYW  Key West-AUS Austin Bergstrom
7h 15m1 stop Atlanta Hartsfield-Jackson
$312Delta
Wed, Sep 9 - Wed, Sep 16
Delta Logo
5:15 am - 1:00 pmAUS  Austin Bergstrom-EYW Key West
6h 45m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:40 am - 1:55 pmEYW  Key West-AUS Austin Bergstrom
7h 15m1 stop Atlanta Hartsfield-Jackson
$312Delta
Mon, Sep 7 - Wed, Sep 16
American Airlines Logo
5:00 am - 1:05 pmAUS  Austin Bergstrom-EYW Key West
7h 05m1 stop Miami
American Airlines Logo
2:15 pm - 9:08 pmEYW  Key West-AUS Austin Bergstrom
7h 53m1 stop Charlotte Douglas
$329American Airlines
Sun, Sep 6 - Thu, Sep 10

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American Airlines flights from Austin to Key West

Our best American Airlines deals on Austin to Key West flight tickets
American Airlines
Jan 1
AUS10:37 amAustin Bergstrom
7h 44m
1 stop
EYW7:21 pmKey West
Jan 11
EYW1:22 pmKey West
7h 36m
1 stop
AUS7:58 pmAustin Bergstrom
$329
American Airlines
Dec 2
AUS11:33 amAustin Bergstrom
4h 42m
1 stop
EYW5:15 pmKey West
Dec 6
EYW11:14 amKey West
6h 16m
1 stop
AUS4:30 pmAustin Bergstrom
$362
American Airlines
Sep 9
AUS10:39 amAustin Bergstrom
7h 38m
2 stops
EYW7:17 pmKey West
Sep 16
EYW2:15 pmKey West
7h 53m
1 stop
AUS9:08 pmAustin Bergstrom
$374

Delta flights from Austin to Key West

Our best Delta deals on Austin to Key West flight tickets
Delta
Sep 12
AUS1:34 pmAustin Bergstrom
5h 26m
1 stop
EYW8:00 pmKey West
Sep 19
EYW7:40 amKey West
7h 15m
1 stop
AUS1:55 pmAustin Bergstrom
$295
Delta
Sep 8
AUS5:15 amAustin Bergstrom
6h 38m
1 stop
EYW12:53 pmKey West
Sep 15
EYW6:19 pmKey West
5h 54m
1 stop
AUS11:13 pmAustin Bergstrom
$312
Delta
Sep 1
AUS1:34 pmAustin Bergstrom
5h 23m
1 stop
EYW7:57 pmKey West
Sep 5
EYW4:00 pmKey West
6h 18m
1 stop
AUS9:18 pmAustin Bergstrom
$354

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 August 16, 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 Austin Bergstrom - EYW Key West

AUSEYW

Austin Bergstrom

Tue 11/3

10:50 am-9:24 am

2 stops21h 34m

Key West

Fri 11/6

10:59 am-10:32 am

1 stop24h 33m

$221

AustinKey West

AUS Austin Bergstrom - EYW Key West

AUSEYW

Austin Bergstrom

Wed 9/9

10:58 am-10:19 am

1 stop22h 21m

Key West

Wed 9/16

10:04 am-5:48 pm

2 stops32h 44m

$227

AustinKey West

AUS Austin Bergstrom - EYW Key West

AUSEYW

Austin Bergstrom

Wed 9/9

10:58 am-10:19 am

1 stop22h 21m

Key West

Wed 9/16

10:04 am-5:48 pm

2 stops32h 44m

$238

AustinKey West

AUS Austin Bergstrom - EYW Key West

AUSEYW

Austin Bergstrom

Fri 10/16

10:50 am-9:24 am

2 stops21h 34m

Key West

Mon 10/19

2:54 pm-10:12 am

1 stop20h 18m

$259
Quickest round-trip

AustinKey West

AUS Austin Bergstrom - EYW Key West

AUSEYW

Austin Bergstrom

Sat 9/12

1:34 pm-8:00 pm

1 stop5h 26m

Key West

Sat 9/19

7:40 am-1:55 pm

1 stop7h 15m

$295

AustinKey West

AUS Austin Bergstrom - EYW Key West

AUSEYW

Austin Bergstrom

Sun 9/6

8:00 am-4:11 pm

1 stop7h 11m

Key West

Fri 9/11

3:30 pm-11:16 pm

1 stop8h 46m

$312

AustinKey West

AUS Austin Bergstrom - EYW Key West

AUSEYW

Austin Bergstrom

Sun 9/6

5:00 am-1:05 pm

1 stop7h 05m

Key West

Thu 9/10

2:15 pm-9:08 pm

1 stop7h 53m

$312

AustinKey West

AUS Austin Bergstrom - EYW Key West

AUSEYW

Austin Bergstrom

Wed 9/9

12:08 pm-8:00 pm

1 stop6h 52m

Key West

Wed 9/16

7:40 am-1:55 pm

1 stop7h 15m

$312

AustinKey West

AUS Austin Bergstrom - EYW Key West

AUSEYW

Austin Bergstrom

Mon 9/7

5:15 am-1:00 pm

1 stop6h 45m

Key West

Wed 9/16

7:40 am-1:55 pm

1 stop7h 15m

$312

AustinKey West

AUS Austin Bergstrom - EYW Key West

AUSEYW

Austin Bergstrom

Sun 9/6

5:00 am-1:05 pm

1 stop7h 05m

Key West

Thu 9/10

2:15 pm-9:08 pm

1 stop7h 53m

$329

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 typical price of a round-trip flight between Austin and Key West?

Prices are currently low for flights on this route.

Typical prices usually range from $319 to $408.
The lowest price recently found on this route was $221.

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 September is also very affordable. Most momondo users find prices during this month for around $349.

How far in advance should I book a flight from Austin 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 $431 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 $258 on momondo.

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 23m

Direct flights

None
The fastest flight from Austin to Key West takes 5h 23m
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 23m.

  • 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
7.8
8,502 reviews
Search Delta flights
American AirlinesPriceFrom $230Free CancellationRating
7.1
11,950 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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