$184+ Cheap flights from San Antonio to Key West (SAT - 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — EYW
Aug 24 — Aug 311
Round-trip
1 adult, Economy
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Find cheap flights from San Antonio 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
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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 San Antonio to Key West
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Best
Last-minute
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Cheapest flights from San Antonio to Key WestExplore the most affordable flight options available from San Antonio to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2026.
Explore the most affordable flight options available from San Antonio to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2026.
This American Airlines deal was found by Cheapflights users on 7/21. 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 9/165:14 am
SAT
- EYW
1 stop7h 03m
American Airlines
Wed 9/232:15 pm
EYW
- SAT
1 stop8h 23m
American Airlines
Deal found 7/21![American Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 9/69:55 am
SAT
- EYW
1 stop23h 32m
Breeze Airways
Wed 9/910:04 am
EYW
- SAT
2 stops23h 41m
Breeze Airways
Deal found 7/22![Breeze Airways logo]()
$325
This American Airlines deal was found by Cheapflights users on 7/23. 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 8/287:00 am
SAT
- EYW
1 stop8h 18m
American Airlines
Sun 8/308:09 pm
EYW
- SAT
1 stop4h 50m
American Airlines
Deal found 7/23![American Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 7/22. 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.
Sun 9/65:20 am
SAT
- EYW
1 stop6h 06m
Delta
Wed 9/911:42 am
EYW
- SAT
1 stop8h 21m
Delta
Deal found 7/22![Delta logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 7/21. 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.
Mon 8/1011:30 am
SAT
- EYW
2 stops24h 04m
Multiple Airlines
Thu 8/1312:05 pm
EYW
- SAT
1 stop21h 51m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Mon 8/37:39 pm
SAT
- EYW
2 stops15h 55m
Multiple Airlines
Thu 8/612:05 pm
EYW
- SAT
1 stop21h 51m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/99:55 am
SAT
- EYW
1 stop23h 32m
Breeze Airways
Wed 8/1211:46 am
EYW
- SAT
2 stops22h 29m
Breeze Airways
Deal found 7/24![Breeze Airways logo]()
$394
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Sat 10/246:35 am
SAT
- EYW
1 stop6h 43m
United Airlines
Wed 10/284:00 pm
EYW
- SAT
1 stop7h 58m
United Airlines
Deal found 7/22![United Airlines logo]()
$419
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 8/69:55 am
SAT
- EYW
1 stop23h 32m
Multiple Airlines
Mon 8/101:11 pm
EYW
- SAT
2 stops32h 26m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$434
This American Airlines deal was found by Cheapflights users on 7/23. 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 9/25:15 am
SAT
- EYW
1 stop4h 41m
American Airlines
Wed 9/911:30 am
EYW
- SAT
2 stops9h 20m
American Airlines
Deal found 7/23![American Airlines logo]()
$445
Best flights from San Antonio to Key WestDiscover carefully curated flight deals from San Antonio to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 25, 2026.
Discover carefully curated flight deals from San Antonio to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 25, 2026.
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Wed 1/66:43 am
SAT
- EYW
1 stop7h 23m
United Airlines
Wed 1/134:05 pm
EYW
- SAT
1 stop7h 53m
United Airlines
Deal found 7/21![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 7/23. 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 9/210:46 am
SAT
- EYW
1 stop5h 34m
Delta
Wed 9/96:19 pm
EYW
- SAT
1 stop6h 49m
Delta
Deal found 7/23![Delta logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 8/69:55 am
SAT
- EYW
1 stop23h 32m
Multiple Airlines
Mon 8/101:11 pm
EYW
- SAT
2 stops32h 26m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$434
This American Airlines deal was found by Cheapflights users on 7/22. 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 10/36:00 am
SAT
- EYW
2 stops10h 55m
American Airlines
Wed 10/75:28 pm
EYW
- SAT
1 stop5h 30m
American Airlines
Deal found 7/22![American Airlines logo]()
$443
This Delta deal was found by Cheapflights users on 7/22. 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.
Sun 9/65:20 am
SAT
- EYW
1 stop6h 06m
Delta
Wed 9/911:42 am
EYW
- SAT
1 stop8h 21m
Delta
Deal found 7/22![Delta logo]()
$333
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Sat 10/246:35 am
SAT
- EYW
1 stop6h 43m
United Airlines
Wed 10/284:00 pm
EYW
- SAT
1 stop7h 58m
United Airlines
Deal found 7/22![United Airlines logo]()
$419
This American Airlines deal was found by Cheapflights users on 7/21. 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 9/165:14 am
SAT
- EYW
1 stop4h 43m
American Airlines
Wed 9/231:47 pm
EYW
- SAT
2 stops10h 03m
American Airlines
Deal found 7/21![American Airlines logo]()
$443
This American Airlines deal was found by Cheapflights users on 7/23. 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 9/25:15 am
SAT
- EYW
1 stop4h 41m
American Airlines
Wed 9/911:30 am
EYW
- SAT
2 stops9h 20m
American Airlines
Deal found 7/23![American Airlines logo]()
$445
This American Airlines deal was found by Cheapflights users on 7/24. 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 10/1511:51 am
SAT
- EYW
1 stop5h 58m
American Airlines
Wed 10/215:28 pm
EYW
- SAT
1 stop5h 30m
American Airlines
Deal found 7/24![American Airlines logo]()
$461
Last-minute flights from San Antonio to Key WestDiscover last-minute flight deals from San Antonio to Key West. Data last updated July 25, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Key West. Data last updated July 25, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/29:55 am
SAT
- EYW
1 stop23h 32m
Multiple Airlines
Sun 8/97:53 pm
EYW
- SAT
2 stops48h 01m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$593
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Mon 8/37:39 pm
SAT
- EYW
2 stops15h 55m
Multiple Airlines
Thu 8/612:05 pm
EYW
- SAT
1 stop21h 51m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 8/69:55 am
SAT
- EYW
1 stop23h 32m
Multiple Airlines
Mon 8/101:11 pm
EYW
- SAT
2 stops32h 26m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$434
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 8/69:55 am
SAT
- EYW
1 stop23h 32m
Multiple Airlines
Sun 8/912:05 pm
EYW
- SAT
1 stop21h 51m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$505
This Delta deal was found by Cheapflights users on 7/24. 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 8/612:05 pm
SAT
- EYW
1 stop6h 52m
Delta
Sat 8/81:31 pm
EYW
- SAT
1 stop6h 15m
Delta
Deal found 7/24![Delta logo]()
$584
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/84:26 pm
SAT
- EYW
1 stop17h 59m
Multiple Airlines
Tue 8/111:14 pm
EYW
- SAT
2 stops45h 01m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 7/24. 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 8/85:20 am
SAT
- EYW
1 stop6h 06m
Delta
Tue 8/116:15 pm
EYW
- SAT
1 stop7h 13m
Delta
Deal found 7/24![Delta logo]()
$539
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/99:55 am
SAT
- EYW
1 stop23h 32m
Breeze Airways
Wed 8/1211:46 am
EYW
- SAT
2 stops22h 29m
Breeze Airways
Deal found 7/24![Breeze Airways logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 7/21. 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.
Mon 8/1011:30 am
SAT
- EYW
2 stops24h 04m
Multiple Airlines
Thu 8/1312:05 pm
EYW
- SAT
1 stop21h 51m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$350
This American Airlines deal was found by Cheapflights users on 7/23. 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 8/287:00 am
SAT
- EYW
1 stop8h 18m
American Airlines
Sun 8/308:09 pm
EYW
- SAT
1 stop4h 50m
American Airlines
Deal found 7/23![American Airlines logo]()
$329
One-way flights from San Antonio to Key WestSearch for one-way flight options from San Antonio to Key West. Find affordable one-way fares based on user searches. Data last updated July 25, 2026.
Search for one-way flight options from San Antonio to Key West. Find affordable one-way fares based on user searches. Data last updated July 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/209:55 am
SAT
- EYW
1 stop23h 32m
Breeze Airways
Deal found 7/22![Breeze Airways logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/2811:30 am
SAT
- EYW
3 stops45h 54m
Breeze Airways
Deal found 7/23![Breeze Airways logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/209:55 am
SAT
- EYW
2 stops24h 32m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/2810:24 pm
SAT
- EYW
2 stops36h 01m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 7/23. 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.
Fri 8/285:20 am
SAT
- EYW
1 stop6h 40m
Delta
Deal found 7/23![Delta logo]()
$339
Find flight deals from San Antonio to Key West
Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) 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 July 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $319 (American Airlines) |
One-way from | $184 (Kiwi.com) |
Popular in | December |
Cheapest in | April |
Average price | $578 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Antonio 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 July 25, 2026.
Use the filters below to find and compare flights from San Antonio to Key West that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San AntonioKey West
SAT - EYW
SATEYW
San Antonio
Wed 1/6
6:43 am-3:06 pm
1 stop7h 23m
Key West
Wed 1/13
4:05 pm-10:58 pm
1 stop7h 53m
$319
San AntonioKey West
SAT - EYW
SATEYW
San Antonio
Wed 9/2
10:46 am-5:20 pm
1 stop5h 34m
Key West
Wed 9/9
6:19 pm-12:08 am
1 stop6h 49m
$329
San AntonioKey West
SAT - EYW
SATEYW
San Antonio
Sun 9/6
5:20 am-12:26 pm
1 stop6h 06m
Key West
Wed 9/9
11:42 am-7:03 pm
1 stop8h 21m
$333
San AntonioKey West
SAT - EYW
SATEYW
San Antonio
Sat 10/24
6:35 am-2:18 pm
1 stop6h 43m
Key West
Wed 10/28
4:00 pm-10:58 pm
1 stop7h 58m
$419
San AntonioKey West
SAT - EYW
SATEYW
San Antonio
Thu 8/6
9:55 am-10:27 am
1 stop23h 32m
Key West
Mon 8/10
1:11 pm-8:37 pm
2 stops32h 26m
$434
San AntonioKey West
SAT - EYW
SATEYW
San Antonio
Sat 10/3
6:00 am-5:55 pm
2 stops10h 55m
Key West
Wed 10/7
5:28 pm-9:58 pm
1 stop5h 30m
$443
San AntonioKey West
SAT - EYW
SATEYW
San Antonio
Wed 9/16
5:14 am-10:57 am
1 stop4h 43m
Key West
Wed 9/23
1:47 pm-10:50 pm
2 stops10h 03m
$443
San AntonioKey West
SAT - EYW
SATEYW
San Antonio
Wed 9/2
5:15 am-10:56 am
1 stop4h 41m
Key West
Wed 9/9
11:30 am-7:50 pm
2 stops9h 20m
$445
Quickest round-trip
San AntonioKey West
SAT - EYW
SATEYW
San Antonio
Thu 10/15
11:51 am-6:49 pm
1 stop5h 58m
Key West
Wed 10/21
5:28 pm-9:58 pm
1 stop5h 30m
$461
Cheapest one-way
San AntonioKey West
SAT - EYW
SATEYW
San Antonio
Thu 8/20
9:55 am-10:27 am
1 stop23h 32m
$184
Showing 1-10 of 12 resultsSorted by cheapest first
Compare providers for flights from San Antonio 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 San Antonio to Key West in July.
| 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 San Antonio-Key West flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-Key West flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Antonio-Key West flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Antonio-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 San Antonio-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 San Antonio to Key West
Have a flexible travel schedule? Discover the best time to fly to Key West from San Antonio with our price prediction graph.
SAT-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 San Antonio to Key West
What is the cheapest month to book a flight from San Antonio to Key West?
Currently, April is the cheapest month in which you can book a flight from San Antonio to Key West (average of $258). Flying from San Antonio to Key West in December is currently the most expensive (average of $731). 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 San Antonio to Key West?
Airfare is typical for this route at the moment.
San Antonio to Key West flights typically cost between $303 and $790 in September.The cheapest round-trip price found within the last 5 days was $319 on American Airlines (Sep 16-Sep 23).
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 July 25, 2026.
Peruse reviews from past customers who have flown with Delta and American Airlines from San Antonio to Key West to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Boarding
8.1
Overall
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Boarding
8.1
Overall
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
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 San Antonio to Key West. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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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 San Antonio 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 July 25, 2026.
San Antonio and Key West flights
Browse other San Antonio and Key West flight options. Last updated on July 25, 2026.
Other flights from San Antonio
Browse through other flights departing from San Antonio. Flights are based on user searches made on Cheapflights and were last updated on July 25, 2026.
Popular flight searches
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Top 2 airlines flying from San Antonio to Key West
Discover the top 2 airlines that operate flights from San Antonio 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 July 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$236 | Average$468 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$259 | Average$408 | FlexibilityNo cancel fee | On-timeN/A |