$116+ Cheap flights from Austin to Key West (AUS - EYW)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — EYW
Sep 13 — Sep 201
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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Best
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One-way
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 August 14, 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 August 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Tue 11/310:50 am -
2 stops21h 34m
Fri 11/610:59 am -
1 stop24h 33m
Deal found 8/11![Multiple Airlines logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Wed 9/910:58 am -
1 stop22h 21m
Wed 9/1610:04 am -
2 stops32h 44m
Deal found 8/11![Multiple Airlines logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Sun 9/67:10 pm -
1 stop15h 17m
Thu 9/1010:59 am -
1 stop24h 04m
Deal found 8/10![Multiple Airlines logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Fri 10/1610:50 am -
2 stops21h 34m
Mon 10/192:54 pm -
1 stop20h 18m
Deal found 8/11![Multiple Airlines logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 9/210:55 am -
1 stop23h 40m
Sun 9/612:05 pm -
1 stop7h 16m
Deal found 8/10![Multiple Airlines logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 9/1210:58 am -
1 stop22h 21m
Sat 9/1910:04 am -
2 stops48h 19m
Deal found 8/12![Multiple Airlines logo]()
$280
This Delta deal was found by Cheapflights users on 8/12. 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 9/121:34 pm -
1 stop5h 26m
Sat 9/197:40 am -
1 stop7h 15m
Deal found 8/12![Delta logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Fri 9/111:25 pm -
2 stops18h 59m
Mon 9/1410:59 am -
1 stop24h 04m
Deal found 8/11![Multiple Airlines logo]()
$297
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 August 14, 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 August 14, 2026.
This Delta deal was found by Cheapflights users on 8/12. 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 9/912:08 pm -
1 stop6h 52m
Wed 9/167:40 am -
1 stop7h 15m
Deal found 8/12![Delta logo]()
$312
This American Airlines deal was found by Cheapflights users on 8/9. 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 10/27:00 am -
2 stops11h 17m
Mon 10/51:43 pm -
1 stop7h 15m
Deal found 8/9![American Airlines logo]()
$486
This United Airlines deal was found by Cheapflights users on 8/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/77:15 am -
1 stop8h 07m
Fri 1/84:05 pm -
1 stop22h 26m
Deal found 8/13![United Airlines logo]()
$585
This Delta deal was found by Cheapflights users on 8/10. 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 9/51:34 pm -
1 stop5h 23m
Wed 9/96:19 pm -
1 stop5h 54m
Deal found 8/10![Delta logo]()
$312
This Delta deal was found by Cheapflights users on 8/9. 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 9/51:34 pm -
1 stop5h 23m
Sun 9/67:40 am -
1 stop5h 49m
Deal found 8/9![Delta logo]()
$354
This American Airlines deal was found by Cheapflights users on 8/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/121:00 pm -
1 stop5h 27m
Mon 11/1611:14 am -
1 stop7h 17m
Deal found 8/13![American Airlines logo]()
$498
This American Airlines deal was found by Cheapflights users on 8/9. 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 9/510:33 am -
2 stops7h 07m
Tue 9/87:03 pm -
1 stop5h 56m
Deal found 8/9![American Airlines logo]()
$631
Last-minute flights from Austin to Key WestDiscover last-minute flight deals from Austin to Key West. Data last updated August 14, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Key West. Data last updated August 14, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 9/210:55 am -
1 stop23h 40m
Sun 9/612:05 pm -
1 stop7h 16m
Deal found 8/10![Multiple Airlines logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Sun 9/67:10 pm -
1 stop15h 17m
Thu 9/1010:59 am -
1 stop24h 04m
Deal found 8/10![Multiple Airlines logo]()
$239
This Delta deal was found by Cheapflights users on 8/12. 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.
Tue 9/85:15 am -
1 stop6h 38m
Tue 9/156:19 pm -
1 stop5h 54m
Deal found 8/12![Delta logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Wed 9/910:58 am -
1 stop22h 21m
Wed 9/1610:04 am -
2 stops32h 44m
Deal found 8/11![Multiple Airlines logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Fri 9/111:25 pm -
2 stops18h 59m
Mon 9/1410:59 am -
1 stop24h 04m
Deal found 8/11![Multiple Airlines logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 9/1210:58 am -
1 stop22h 21m
Sat 9/1910:04 am -
2 stops48h 19m
Deal found 8/12![Multiple Airlines logo]()
$280
This Delta deal was found by Cheapflights users on 8/12. 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 9/121:34 pm -
1 stop5h 26m
Sat 9/197:40 am -
1 stop7h 15m
Deal found 8/12![Delta logo]()
$295
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 August 14, 2026.
Search for one-way flight options from Austin to Key West. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 9/55:37 pm -
2 stops24h 36m
Deal found 8/10![Multiple Airlines logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 10/2210:50 am -
2 stops22h 29m
Deal found 8/10![Multiple Airlines logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 10/2110:50 am -
2 stops22h 29m
Deal found 8/9![Multiple Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Fri 9/48:51 pm -
3 stops45h 22m
Deal found 8/9![Multiple Airlines logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Fri 11/610:50 am -
2 stops21h 34m
Deal found 8/10![Multiple Airlines logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 12/25:20 am -
2 stops29h 01m
Deal found 8/12![Multiple Airlines logo]()
$237
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 August 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $221 (Kiwi.com) |
One-way from | $116 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $374 |
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 2,558,603 searches. Data last updated August 14, 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 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
Sat 9/5
1:34 pm-7:57 pm
1 stop5h 23m
Key West
Wed 9/9
6:19 pm-11:13 pm
1 stop5h 54m
$312
Quickest round-trip
AustinKey West
AUS Austin Bergstrom - EYW Key West
AUSEYW
Austin Bergstrom
Sat 9/5
1:34 pm-7:57 pm
1 stop5h 23m
Key West
Sun 9/6
7:40 am-12:29 pm
1 stop5h 49m
$354
AustinKey West
AUS Austin Bergstrom - EYW Key West
AUSEYW
Austin Bergstrom
Fri 10/2
7:00 am-7:17 pm
2 stops11h 17m
Key West
Mon 10/5
1:43 pm-7:58 pm
1 stop7h 15m
$486
AustinKey West
AUS Austin Bergstrom - EYW Key West
AUSEYW
Austin Bergstrom
Thu 11/12
1:00 pm-7:27 pm
1 stop5h 27m
Key West
Mon 11/16
11:14 am-5:31 pm
1 stop7h 17m
$498
AustinKey West
AUS Austin Bergstrom - EYW Key West
AUSEYW
Austin Bergstrom
Thu 1/7
7:15 am-4:22 pm
1 stop8h 07m
Key West
Fri 1/8
4:05 pm-1:31 pm
1 stop22h 26m
$585
AustinKey West
AUS Austin Bergstrom - EYW Key West
AUSEYW
Austin Bergstrom
Sat 9/5
10:33 am-6:40 pm
2 stops7h 07m
Key West
Tue 9/8
7:03 pm-11:59 pm
1 stop5h 56m
$631
Cheapest one-way
AustinKey West
AUS Austin Bergstrom - EYW Key West
AUSEYW
Austin Bergstrom
Sat 9/5
5:37 pm-7:13 pm
2 stops24h 36m
$116
AustinKey West
AUS Austin Bergstrom - EYW Key West
AUSEYW
Austin Bergstrom
Thu 10/22
10:50 am-12:19 pm
2 stops24h 29m
$139
AustinKey West
AUS Austin Bergstrom - EYW Key West
AUSEYW
Austin Bergstrom
Fri 9/4
8:51 pm-7:13 pm
3 stops45h 22m
$210
Showing 1-10 of 14 resultsSorted 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 August.
| 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 17 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 $319 and $408 in November.The cheapest round-trip price found within the last 5 days was $221 on Multiple Airlines (Nov 3-Nov 6).
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 August 14, 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.
Entertainment
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Overall
7.8
Boarding
8.1
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Entertainment
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Overall
7.8
Boarding
8.1
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Entertainment
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Overall
7.8
Boarding
8.1
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.
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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 August 14, 2026.
Austin and Key West flights
Browse other Austin and Key West flight options. Last updated on August 14, 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 August 14, 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 2,558,603 searches. Data last updated August 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$196 | Average$349 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$230 | Average$464 | FlexibilityNo cancel fee | On-time71% |