$208+ 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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — EYW
Jul 7 — Jul 141
Round-trip
1 adult, Economy
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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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Best
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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 June 7, 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 June 7, 2026.
This American Airlines deal was found by Cheapflights users on 6/5. 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 7/159:55 am
SAT
- EYW
1 stop7h 53m
American Airlines
Wed 7/221:01 pm
EYW
- SAT
1 stop8h 39m
American Airlines
Deal found 6/5![American Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 6/4. 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.
Tue 6/235:01 am
SAT
- EYW
1 stop7h 06m
American Airlines
Tue 6/307:40 pm
EYW
- SAT
1 stop5h 19m
American Airlines
Deal found 6/4![American Airlines logo]()
$344
This American Airlines deal was found by Cheapflights users on 6/5. 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 7/45:01 am
SAT
- EYW
1 stop4h 57m
American Airlines
Fri 7/107:40 pm
EYW
- SAT
1 stop5h 19m
American Airlines
Deal found 6/5![American Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 7/44:53 pm
SAT
- EYW
2 stops16h 31m
Multiple Airlines
Fri 7/1012:07 pm
EYW
- SAT
1 stop28h 34m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$375
This American Airlines deal was found by Cheapflights users on 6/4. 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 6/275:01 am
SAT
- EYW
1 stop7h 08m
American Airlines
Mon 6/297:40 pm
EYW
- SAT
1 stop5h 19m
American Airlines
Deal found 6/4![American Airlines logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 6/268:56 pm
SAT
- EYW
2 stops39h 20m
Multiple Airlines
Thu 7/28:48 pm
EYW
- SAT
1 stop19h 49m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$394
This American Airlines deal was found by Cheapflights users on 6/4. 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 6/1910:00 am
SAT
- EYW
1 stop7h 49m
American Airlines
Tue 6/237:40 pm
EYW
- SAT
1 stop5h 19m
American Airlines
Deal found 6/4![American Airlines logo]()
$404
This American Airlines deal was found by Cheapflights users on 6/3. 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.
Mon 6/85:01 am
SAT
- EYW
1 stop7h 06m
American Airlines
Wed 6/174:44 pm
EYW
- SAT
1 stop6h 32m
American Airlines
Deal found 6/3![American Airlines logo]()
$424
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 June 7, 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 June 7, 2026.
This Delta deal was found by Cheapflights users on 6/4. 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 6/2610:47 am
SAT
- EYW
1 stop8h 06m
Delta
Thu 7/26:24 pm
EYW
- SAT
1 stop7h 09m
Delta
Deal found 6/4![Delta logo]()
$319
This American Airlines deal was found by Cheapflights users on 6/5. 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 7/159:55 am
SAT
- EYW
1 stop7h 53m
American Airlines
Wed 7/221:01 pm
EYW
- SAT
1 stop8h 39m
American Airlines
Deal found 6/5![American Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 6/259:55 am
SAT
- EYW
1 stop23h 32m
Breeze Airways
Tue 6/301:14 pm
EYW
- SAT
2 stops27h 59m
Breeze Airways
Deal found 6/2![Breeze Airways logo]()
$483
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 7/59:55 am
SAT
- EYW
1 stop23h 32m
Multiple Airlines
Sun 7/128:48 pm
EYW
- SAT
2 stops22h 56m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$546
This Delta deal was found by Cheapflights users on 6/7. 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.
Mon 8/1010:46 am
SAT
- EYW
1 stop5h 34m
Delta
Sat 8/157:40 am
EYW
- SAT
1 stop6h 58m
Delta
Deal found 6/7![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 6/5. 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 11/1212:15 pm
SAT
- EYW
1 stop6h 28m
Delta
Sun 11/156:00 pm
EYW
- SAT
1 stop7h 28m
Delta
Deal found 6/5![Delta logo]()
$489
This American Airlines deal was found by Cheapflights users on 6/6. 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 7/85:01 am
SAT
- EYW
2 stops10h 10m
American Airlines
Sat 7/117:55 pm
EYW
- SAT
1 stop5h 04m
American Airlines
Deal found 6/6![American Airlines logo]()
$562
This American Airlines deal was found by Cheapflights users on 6/7. 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.
Mon 8/105:15 am
SAT
- EYW
1 stop4h 41m
American Airlines
Sat 8/151:41 pm
EYW
- SAT
2 stops9h 19m
American Airlines
Deal found 6/7![American Airlines logo]()
$590
This American Airlines deal was found by Cheapflights users on 6/6. 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.
Sun 6/289:31 am
SAT
- EYW
1 stop6h 21m
American Airlines
Tue 6/307:40 pm
EYW
- SAT
1 stop5h 19m
American Airlines
Deal found 6/6![American Airlines logo]()
$617
This American Airlines deal was found by Cheapflights users on 6/4. 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 6/199:31 am
SAT
- EYW
2 stops8h 18m
American Airlines
Tue 6/234:44 pm
EYW
- SAT
2 stops8h 15m
American Airlines
Deal found 6/4![American Airlines logo]()
$731
Last-minute flights from San Antonio to Key WestDiscover last-minute flight deals from San Antonio to Key West. Data last updated June 7, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Key West. Data last updated June 7, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/3. 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.
Mon 6/85:01 am
SAT
- EYW
1 stop7h 06m
American Airlines
Wed 6/174:44 pm
EYW
- SAT
1 stop6h 32m
American Airlines
Deal found 6/3![American Airlines logo]()
$424
This American Airlines deal was found by Cheapflights users on 6/4. 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 6/1910:00 am
SAT
- EYW
1 stop7h 49m
American Airlines
Tue 6/237:40 pm
EYW
- SAT
1 stop5h 19m
American Airlines
Deal found 6/4![American Airlines logo]()
$404
This American Airlines deal was found by Cheapflights users on 6/4. 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.
Tue 6/235:01 am
SAT
- EYW
1 stop7h 06m
American Airlines
Tue 6/307:40 pm
EYW
- SAT
1 stop5h 19m
American Airlines
Deal found 6/4![American Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 6/268:56 pm
SAT
- EYW
2 stops39h 20m
Multiple Airlines
Thu 7/28:48 pm
EYW
- SAT
1 stop19h 49m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$394
This American Airlines deal was found by Cheapflights users on 6/4. 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 6/275:01 am
SAT
- EYW
1 stop7h 08m
American Airlines
Mon 6/297:40 pm
EYW
- SAT
1 stop5h 19m
American Airlines
Deal found 6/4![American Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 6/5. 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 7/45:01 am
SAT
- EYW
1 stop4h 57m
American Airlines
Fri 7/107:40 pm
EYW
- SAT
1 stop5h 19m
American Airlines
Deal found 6/5![American Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 7/44:53 pm
SAT
- EYW
2 stops16h 31m
Multiple Airlines
Fri 7/1012:07 pm
EYW
- SAT
1 stop28h 34m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$375
This American Airlines deal was found by Cheapflights users on 6/5. 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 7/159:55 am
SAT
- EYW
1 stop7h 53m
American Airlines
Wed 7/221:01 pm
EYW
- SAT
1 stop8h 39m
American Airlines
Deal found 6/5![American Airlines logo]()
$319
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 June 7, 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 June 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 7/79:32 pm
SAT
- EYW
2 stops36h 53m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 9/249:25 am
SAT
- EYW
2 stops23h 54m
Breeze Airways
Deal found 6/7![Breeze Airways logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 10/1612:38 pm
SAT
- EYW
2 stops19h 46m
Breeze Airways
Deal found 6/3![Breeze Airways logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 6/204:53 pm
SAT
- EYW
2 stops16h 31m
Breeze Airways
Deal found 6/5![Breeze Airways logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 6/289:55 am
SAT
- EYW
1 stop23h 32m
Breeze Airways
Deal found 6/7![Breeze Airways logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 6/178:56 pm
SAT
- EYW
2 stops37h 31m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 10/159:25 am
SAT
- EYW
1 stop24h 54m
Breeze Airways
Deal found 6/3![Breeze Airways logo]()
$278
This American Airlines deal was found by Cheapflights users on 6/4. 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.
Tue 7/79:55 am
SAT
- EYW
1 stop7h 53m
American Airlines
Deal found 6/4![American Airlines logo]()
$304
This Delta deal was found by Cheapflights users on 6/7. 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 9/241:31 pm
SAT
- EYW
1 stop5h 19m
Delta
Deal found 6/7![Delta logo]()
$309
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 June 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $319 (American Airlines) |
One-way from | $208 (Kiwi.com) |
Popular in | March |
Cheapest in | April |
Average price | $568 |
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 June 7, 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
Fri 6/26
10:47 am-7:53 pm
1 stop8h 06m
Key West
Thu 7/2
6:24 pm-12:33 am
1 stop7h 09m
$319
San AntonioKey West
SAT - EYW
SATEYW
San Antonio
Wed 7/15
9:55 am-6:48 pm
1 stop7h 53m
Key West
Wed 7/22
1:01 pm-8:40 pm
1 stop8h 39m
$319
San AntonioKey West
SAT - EYW
SATEYW
San Antonio
Mon 8/10
10:46 am-5:20 pm
1 stop5h 34m
Key West
Sat 8/15
7:40 am-1:38 pm
1 stop6h 58m
$379
San AntonioKey West
SAT - EYW
SATEYW
San Antonio
Thu 6/25
9:55 am-10:27 am
1 stop23h 32m
Key West
Tue 6/30
1:14 pm-4:13 pm
2 stops27h 59m
$483
San AntonioKey West
SAT - EYW
SATEYW
San Antonio
Thu 11/12
12:15 pm-7:43 pm
1 stop6h 28m
Key West
Sun 11/15
6:00 pm-12:28 am
1 stop7h 28m
$489
San AntonioKey West
SAT - EYW
SATEYW
San Antonio
Sun 7/5
9:55 am-10:27 am
1 stop23h 32m
Key West
Sun 7/12
8:48 pm-6:44 pm
2 stops22h 56m
$546
San AntonioKey West
SAT - EYW
SATEYW
San Antonio
Wed 7/8
5:01 am-4:11 pm
2 stops10h 10m
Key West
Sat 7/11
7:55 pm-11:59 pm
1 stop5h 04m
$562
San AntonioKey West
SAT - EYW
SATEYW
San Antonio
Mon 8/10
5:15 am-10:56 am
1 stop4h 41m
Key West
Sat 8/15
1:41 pm-10:00 pm
2 stops9h 19m
$590
Quickest round-trip
San AntonioKey West
SAT - EYW
SATEYW
San Antonio
Sun 6/28
9:31 am-4:52 pm
1 stop6h 21m
Key West
Tue 6/30
7:40 pm-11:59 pm
1 stop5h 19m
$617
San AntonioKey West
SAT - EYW
SATEYW
San Antonio
Fri 6/19
9:31 am-6:49 pm
2 stops8h 18m
Key West
Tue 6/23
4:44 pm-11:59 pm
2 stops8h 15m
$731
Showing 1-10 of 20 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 June.
| 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 March is currently the most expensive (average of $617). 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?
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 June 7, 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.
Food
7.2
Comfort
7.8
Boarding
8.1
Overall
7.9
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Food
7.2
Comfort
7.8
Boarding
8.1
Overall
7.9
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Food
7.2
Comfort
7.8
Boarding
8.1
Overall
7.9
Crew
8.5
Entertainment
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 June 7, 2026.
San Antonio and Key West flights
Browse other San Antonio and Key West flight options. Last updated on June 7, 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 June 7, 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 June 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$224 | Average$415 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$227 | Average$408 | FlexibilityNo cancel fee | On-timeN/A |