$127+ Cheap flights from Austin to Key West (AUS - EYW)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — EYW
Oct 16 — Oct 231
Round-trip
1 adult, Economy
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Find cheap flights from Austin to Key West with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Austin to Key West
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Cheapest flights from Austin to Key WestExplore the most affordable flight options available from Austin to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2026.
Explore the most affordable flight options available from Austin to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1510:52 am -
1 stop22h 27m
Mon 10/1910:59 am -
1 stop23h 58m
Deal found 9/14![Multiple Airlines logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3010:58 am -
1 stop22h 21m
Sun 10/410:59 am -
1 stop24h 04m
Deal found 9/14![Multiple Airlines logo]()
$299
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1412:59 pm -
1 stop5h 34m
Wed 10/211:43 pm -
1 stop7h 15m
Deal found 9/14![American Airlines logo]()
$301
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/141:10 pm -
1 stop5h 50m
Thu 11/196:05 pm -
1 stop7h 17m
Deal found 9/14![Delta logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2911:51 am -
1 stop21h 28m
Sun 11/110:59 am -
1 stop24h 59m
Deal found 9/13![Multiple Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:52 am -
1 stop22h 27m
Mon 10/2611:09 am -
2 stops26h 13m
Deal found 9/14![Multiple Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:47 pm -
1 stop15h 32m
Sat 10/1710:04 am -
2 stops25h 53m
Deal found 9/11![Multiple Airlines logo]()
$355
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/149:44 am -
1 stop5h 43m
Thu 11/1911:25 am -
1 stop6h 06m
Deal found 9/14![American Airlines logo]()
$357
Best flights from Austin to Key WestDiscover carefully curated flight deals from Austin to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2026.
Discover carefully curated flight deals from Austin to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2026.
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/141:10 pm -
1 stop5h 50m
Thu 11/196:05 pm -
1 stop7h 17m
Deal found 9/14![Delta logo]()
$332
This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/61:00 pm -
1 stop5h 27m
Mon 11/910:18 am -
1 stop7h 10m
Deal found 9/11![American Airlines logo]()
$659
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:39 am -
3 stops26h 50m
Sat 10/34:20 pm -
1 stop7h 38m
Deal found 9/14![United Airlines logo]()
$717
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1011:07 am -
1 stop7h 54m
Sat 10/177:40 am -
1 stop7h 13m
Deal found 9/13![Delta logo]()
$476
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/121:52 pm -
1 stop5h 08m
Mon 11/162:06 pm -
1 stop7h 24m
Deal found 9/11![Delta logo]()
$582
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:21 am -
2 stops9h 37m
Mon 10/268:03 pm -
1 stop16h 34m
Deal found 9/16![American Airlines logo]()
$718
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:37 pm -
1 stop5h 24m
Mon 10/266:10 pm -
1 stop7h 11m
Deal found 9/15![Delta logo]()
$612
This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:15 am -
2 stops8h 59m
Mon 11/163:41 pm -
1 stop8h 03m
Deal found 9/11![American Airlines logo]()
$755
Last-minute flights from Austin to Key WestDiscover last-minute flight deals from Austin to Key West. Data last updated September 16, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Key West. Data last updated September 16, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:05 am -
1 stop7h 12m
Sat 9/1910:21 am -
1 stop7h 50m
Deal found 9/15![American Airlines logo]()
$399
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3010:58 am -
1 stop22h 21m
Sun 10/410:59 am -
1 stop24h 04m
Deal found 9/14![Multiple Airlines logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:47 pm -
1 stop15h 32m
Sat 10/1710:04 am -
2 stops25h 53m
Deal found 9/11![Multiple Airlines logo]()
$355
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1412:59 pm -
1 stop5h 34m
Wed 10/211:43 pm -
1 stop7h 15m
Deal found 9/14![American Airlines logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1510:52 am -
1 stop22h 27m
Mon 10/1910:59 am -
1 stop23h 58m
Deal found 9/14![Multiple Airlines logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:52 am -
1 stop22h 27m
Mon 10/2611:09 am -
2 stops26h 13m
Deal found 9/14![Multiple Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2911:51 am -
1 stop21h 28m
Sun 11/110:59 am -
1 stop24h 59m
Deal found 9/13![Multiple Airlines logo]()
$350
One-way flights from Austin to Key WestSearch for one-way flight options from Austin to Key West. Find affordable one-way fares based on user searches. Data last updated September 16, 2026.
Search for one-way flight options from Austin to Key West. Find affordable one-way fares based on user searches. Data last updated September 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:52 am -
1 stop22h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$127
Find flight deals from Austin to Key West
Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) to Key West (EYW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $249 (Kiwi.com) |
One-way from | $127 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $417 |
Cheapflights 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, Cheapflights users made 7,457,451 searches. Data last updated September 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
Cheapest round-trip
AustinKey West
AUS Austin Bergstrom - EYW Key West
AUSEYW
Austin Bergstrom
Wed 10/14
10:52 am-10:19 am
1 stop22h 27m
Key West
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$127
AustinKey West
AUS Austin Bergstrom - EYW Key West
AUSEYW
Austin Bergstrom
Sat 11/14
1:10 pm-8:00 pm
1 stop5h 50m
Key West
Thu 11/19
6:05 pm-12:22 am
1 stop7h 17m
$332
AustinKey West
AUS Austin Bergstrom - EYW Key West
AUSEYW
Austin Bergstrom
Sat 10/10
11:07 am-8:01 pm
1 stop7h 54m
Key West
Sat 10/17
7:40 am-1:53 pm
1 stop7h 13m
$476
Quickest round-trip
AustinKey West
AUS Austin Bergstrom - EYW Key West
AUSEYW
Austin Bergstrom
Thu 11/12
1:52 pm-8:00 pm
1 stop5h 08m
Key West
Mon 11/16
2:06 pm-8:30 pm
1 stop7h 24m
$582
AustinKey West
AUS Austin Bergstrom - EYW Key West
AUSEYW
Austin Bergstrom
Wed 10/21
1:37 pm-8:01 pm
1 stop5h 24m
Key West
Mon 10/26
6:10 pm-12:21 am
1 stop7h 11m
$612
AustinKey West
AUS Austin Bergstrom - EYW Key West
AUSEYW
Austin Bergstrom
Fri 11/6
1:00 pm-7:27 pm
1 stop5h 27m
Key West
Mon 11/9
10:18 am-4:28 pm
1 stop7h 10m
$659
AustinKey West
AUS Austin Bergstrom - EYW Key West
AUSEYW
Austin Bergstrom
Tue 9/29
9:39 am-1:29 pm
3 stops26h 50m
Key West
Sat 10/3
4:20 pm-10:58 pm
1 stop7h 38m
$717
AustinKey West
AUS Austin Bergstrom - EYW Key West
AUSEYW
Austin Bergstrom
Wed 10/21
6:21 am-4:58 pm
2 stops9h 37m
Key West
Mon 10/26
8:03 pm-11:37 am
1 stop16h 34m
$718
AustinKey West
AUS Austin Bergstrom - EYW Key West
AUSEYW
Austin Bergstrom
Thu 11/12
6:15 am-4:14 pm
2 stops8h 59m
Key West
Mon 11/16
3:41 pm-10:44 pm
1 stop8h 03m
$755
Sorted by cheapest first
Compare providers for flights from Austin to Key West
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Austin to Key West in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Austin-Key West flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Austin-Key West flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Austin-Key West flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Austin-Key West flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Austin-Key West flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Austin to Key West
Have a flexible travel schedule? Discover the best time to fly to Key West from Austin with our price prediction graph.
AUS-EYW
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Austin to Key West
How far ahead should I book a flight from Austin to Key West?
To ensure you get the cheapest price possible for a flight from Austin to Key West, you should look to book at least 84 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Austin to Key West?
Currently, January is the cheapest month in which you can book a flight from Austin to Key West (average of $301). Flying from Austin to Key West in December is currently the most expensive (average of $725). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Austin to Key West?
Airfare is below average for this route at the moment.
Austin to Key West flights typically cost between $349 and $417 in October.The cheapest round-trip price found within the last 5 days was $249 on Multiple Airlines (Oct 15-Oct 19).
Reviews of airlines servicing Key West
Get insights into the airlines that provide service to Key West. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Key West. Reviews last updated September 16, 2026.
See what other customers who have flown with Delta and American Airlines from Austin to Key West have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Crew
8.5
Food
7.2
Entertainment
7.8
Boarding
8.1
Overall
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Comfort
7.8
Crew
8.5
Food
7.2
Entertainment
7.8
Boarding
8.1
Overall
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Comfort
7.8
Crew
8.5
Food
7.2
Entertainment
7.8
Boarding
8.1
Overall
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Related info for your journey
Find useful and relevant information for your journey from Austin to Key West. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
Complete your trip to Key West by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Austin to Key West by cabin class
Find flights from Austin to Key West, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Key West
Explore flights to Key West departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 16, 2026.
Austin and Key West flights
Browse other Austin and Key West flight options. Last updated on September 16, 2026.
Other flights from Austin
Browse through other flights departing from Austin. Flights are based on user searches made on Cheapflights and were last updated on September 16, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Austin to Key West
Discover the top 2 airlines that operate flights from Austin to Key West. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$196 | Average$374 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$230 | Average$457 | FlexibilityNo cancel fee | On-time71% |