$769+ Cheap flights from San Antonio (SAT) to Saint Lucia
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 11/30. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — UVF
Jul 11 — Jul 181
Round-trip
1 adult, Economy
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Best
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Cheapest flights from San Antonio to Saint LuciaExplore the most affordable flight options available from San Antonio to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 11, 2026.
Explore the most affordable flight options available from San Antonio to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 11, 2026.
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 11/305:30 am
SAT
- UVF
1 stop7h 40m
Delta
Sun 12/64:25 pm
UVF
- SAT
1 stop10h 03m
Delta
Deal found 6/7![Delta logo]()
$769
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 11/95:52 pm
SAT
- UVF
2 stops17h 29m
American Airlines
Mon 11/162:28 pm
UVF
- SAT
1 stop11h 29m
American Airlines
Deal found 6/7![American Airlines logo]()
$774
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 11/308:21 pm
SAT
- UVF
2 stops17h 29m
American Airlines
Sun 12/64:53 pm
UVF
- SAT
1 stop9h 06m
American Airlines
Deal found 6/7![American Airlines logo]()
$791
This American Airlines deal was found by Cheapflights users on 6/8. 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 7/412:26 pm
SAT
- UVF
2 stops24h 24m
American Airlines
Fri 7/103:20 pm
UVF
- SAT
2 stops22h 51m
American Airlines
Deal found 6/8![American Airlines logo]()
$808
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:04 pm
SAT
- UVF
2 stops18h 21m
American Airlines
Mon 10/262:20 pm
UVF
- SAT
1 stop8h 36m
American Airlines
Deal found 6/10![American Airlines logo]()
$809
This American Airlines deal was found by Cheapflights users on 6/9. 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 7/245:01 am
SAT
- UVF
1 stop7h 49m
American Airlines
Tue 7/282:50 pm
UVF
- SAT
2 stops20h 18m
American Airlines
Deal found 6/9![American Airlines logo]()
$828
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/205:47 pm
SAT
- UVF
1 stop19h 33m
American Airlines
Sun 7/263:20 pm
UVF
- SAT
1 stop18h 42m
American Airlines
Deal found 6/10![American Airlines logo]()
$838
Best flights from San Antonio to Saint LuciaDiscover carefully curated flight deals from San Antonio to Saint Lucia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 11, 2026.
Discover carefully curated flight deals from San Antonio to Saint Lucia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 11, 2026.
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 11/305:30 am
SAT
- UVF
1 stop7h 40m
Delta
Sun 12/64:25 pm
UVF
- SAT
1 stop10h 03m
Delta
Deal found 6/7![Delta logo]()
$769
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 11/308:21 pm
SAT
- UVF
2 stops17h 29m
American Airlines
Sun 12/64:53 pm
UVF
- SAT
1 stop9h 06m
American Airlines
Deal found 6/7![American Airlines logo]()
$791
This American Airlines deal was found by Cheapflights users on 6/8. 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 7/412:26 pm
SAT
- UVF
2 stops24h 24m
American Airlines
Fri 7/103:20 pm
UVF
- SAT
2 stops22h 51m
American Airlines
Deal found 6/8![American Airlines logo]()
$808
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:04 pm
SAT
- UVF
2 stops18h 21m
American Airlines
Mon 10/262:20 pm
UVF
- SAT
2 stops20h 53m
American Airlines
Deal found 6/10![American Airlines logo]()
$809
This American Airlines deal was found by Cheapflights users on 6/9. 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 7/245:47 pm
SAT
- UVF
2 stops17h 21m
American Airlines
Tue 7/281:15 pm
UVF
- SAT
2 stops20h 47m
American Airlines
Deal found 6/9![American Airlines logo]()
$828
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/205:35 pm
SAT
- UVF
2 stops19h 15m
American Airlines
Sun 7/263:20 pm
UVF
- SAT
1 stop18h 42m
American Airlines
Deal found 6/10![American Airlines logo]()
$843
This American Airlines deal was found by Cheapflights users on 6/8. 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 6/225:52 pm
SAT
- UVF
2 stops18h 54m
American Airlines
Mon 6/293:16 pm
UVF
- SAT
1 stop18h 54m
American Airlines
Deal found 6/8![American Airlines logo]()
$923
This American Airlines deal was found by Cheapflights users on 6/8. 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 6/226:15 pm
SAT
- UVF
1 stop16h 49m
American Airlines
Sun 6/283:16 pm
UVF
- SAT
1 stop18h 54m
American Airlines
Deal found 6/8![American Airlines logo]()
$968
Last-minute flights from San Antonio to Saint LuciaDiscover last-minute flight deals from San Antonio to Saint Lucia. Data last updated June 11, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Saint Lucia. Data last updated June 11, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/8. 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 6/105:01 am
SAT
- UVF
1 stop7h 45m
American Airlines
Tue 6/163:16 pm
UVF
- SAT
1 stop18h 54m
American Airlines
Deal found 6/8![American Airlines logo]()
$1,116
This American Airlines deal was found by Cheapflights users on 6/8. 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 6/226:15 pm
SAT
- UVF
1 stop18h 31m
American Airlines
Mon 6/293:16 pm
UVF
- SAT
1 stop18h 54m
American Airlines
Deal found 6/8![American Airlines logo]()
$918
This American Airlines deal was found by Cheapflights users on 6/8. 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 6/226:15 pm
SAT
- UVF
1 stop16h 49m
American Airlines
Sun 6/283:16 pm
UVF
- SAT
1 stop18h 54m
American Airlines
Deal found 6/8![American Airlines logo]()
$968
This American Airlines deal was found by Cheapflights users on 6/8. 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 7/412:26 pm
SAT
- UVF
2 stops24h 24m
American Airlines
Fri 7/103:20 pm
UVF
- SAT
2 stops22h 51m
American Airlines
Deal found 6/8![American Airlines logo]()
$808
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/205:47 pm
SAT
- UVF
1 stop19h 33m
American Airlines
Sun 7/263:20 pm
UVF
- SAT
1 stop18h 42m
American Airlines
Deal found 6/10![American Airlines logo]()
$838
This American Airlines deal was found by Cheapflights users on 6/9. 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 7/245:47 pm
SAT
- UVF
2 stops17h 21m
American Airlines
Tue 7/281:15 pm
UVF
- SAT
2 stops20h 47m
American Airlines
Deal found 6/9![American Airlines logo]()
$828
One-way flights from San Antonio to Saint LuciaSearch for one-way flight options from San Antonio to Saint Lucia. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
Search for one-way flight options from San Antonio to Saint Lucia. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
This WestJet 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:30 am
SAT
- UVF
2 stops30h 10m
WestJet
Deal found 6/6![WestJet logo]()
$2,002
Find flight deals from San Antonio to Saint Lucia
Keep the following information in mind while searching for San Antonio to Saint Lucia flight deals. Data was last updated June 11, 2026.
Round-trip from | $769 (Delta) |
|---|
Cheapflights Fare Finder
Customize your flight search to find flights from San Antonio to Saint Lucia 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 11, 2026.
Use the filters below to find and compare flights from San Antonio to Saint Lucia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
San AntonioCastries
SAT - UVF
SATUVF
San Antonio
Mon 11/30
5:30 am-3:10 pm
1 stop7h 40m
Castries Hewanorra
Sun 12/6
4:25 pm-12:28 am
1 stop10h 03m
$769
San AntonioCastries
SAT - UVF
SATUVF
San Antonio
Mon 11/30
8:21 pm-3:50 pm
2 stops17h 29m
Castries Hewanorra
Sun 12/6
4:53 pm-11:59 pm
1 stop9h 06m
$791
San AntonioCastries
SAT - UVF
SATUVF
San Antonio
Sat 7/4
12:26 pm-1:50 pm
2 stops24h 24m
Castries Hewanorra
Fri 7/10
3:20 pm-1:11 pm
2 stops22h 51m
$808
San AntonioCastries
SAT - UVF
SATUVF
San Antonio
Thu 10/22
6:04 pm-1:25 pm
2 stops18h 21m
Castries Hewanorra
Mon 10/26
2:20 pm-10:13 am
2 stops20h 53m
$809
San AntonioCastries
SAT - UVF
SATUVF
San Antonio
Fri 7/24
5:47 pm-12:08 pm
2 stops17h 21m
Castries Hewanorra
Tue 7/28
1:15 pm-9:02 am
2 stops20h 47m
$828
San AntonioCastries
SAT - UVF
SATUVF
San Antonio
Mon 7/20
5:35 pm-1:50 pm
2 stops19h 15m
Castries Hewanorra
Sun 7/26
3:20 pm-9:02 am
1 stop18h 42m
$843
San AntonioCastries
SAT - UVF
SATUVF
San Antonio
Mon 6/22
5:52 pm-1:46 pm
2 stops18h 54m
Castries Hewanorra
Mon 6/29
3:16 pm-9:10 am
1 stop18h 54m
$923
San AntonioCastries
SAT - UVF
SATUVF
San Antonio
Mon 6/22
6:15 pm-12:04 pm
1 stop16h 49m
Castries Hewanorra
Sun 6/28
3:16 pm-9:10 am
1 stop18h 54m
$968
Cheapest one-way
Quickest one-way
San AntonioCastries
SAT - UVF
SATUVF
San Antonio
Wed 7/15
6:30 am-1:40 pm
2 stops30h 10m
$2,002
Sorted by cheapest first
Best time to book a flight from San Antonio to Saint Lucia
Have a flexible travel schedule? Discover the best time to fly to Saint Lucia from San Antonio with our price prediction graph.
SAT-UVF
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 Saint Lucia
SAT-LC0
SAT-UVF
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Saint Lucia
Get insights into the airlines that provide service to Saint Lucia. 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 Saint Lucia. Reviews last updated June 11, 2026.
Read through reviews of airlines operating flights from San Antonio to Saint Lucia, such as Delta and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Boarding
8.1
Comfort
7.8
Overall
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Boarding
8.1
Comfort
7.8
Overall
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Boarding
8.1
Comfort
7.8
Overall
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from San Antonio to Saint Lucia. 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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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for San Antonio to Saint Lucia
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Saint Lucia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Antonio to Saint Lucia by cabin class
Find flights from San Antonio to Saint Lucia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Antonio and Saint Lucia flights
Browse other San Antonio and Saint Lucia flight options. Last updated on June 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from San Antonio to Saint Lucia
Discover the top 2 airlines that operate flights from San Antonio to Saint Lucia. 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 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$591 | Average$776 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$641 | Average$1,089 | FlexibilityNo cancel fee | On-timeN/A |