$189+ Cheap flights from Riverside, CA to Saint Thomas Island (STT)
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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — STT
Jan 17 — Jan 241
1 adult, Economy
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Find cheap flights from Riverside to Saint Thomas Island 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.Cheapflights Tip: The best prices from Riverside to Saint Thomas Island Cyril E King are usually found in February or May, booked 49 days in advance, depart on a Monday or Tuesday and return on a Monday
Cheap flight deals from Riverside to Saint Thomas Island
Cheapest flights from Riverside to Saint Thomas IslandExplore the most affordable flight options available from Riverside to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.
Explore the most affordable flight options available from Riverside to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.
This American Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:49 amLAX - STT
1 stop8h 41mAmerican Airlines
Wed 12/314:25 pmSTT - LAX
1 stop20h 54mAmerican Airlines
Deal found 12/16![American Airlines logo]()
$667
This Priceline deal was found by Cheapflights users on 12/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/188:35 pmLAX - STT
2 stops13h 25mMultiple Airlines
Thu 12/2512:31 pmSTT - LAX
1 stop10h 48mMultiple Airlines
Deal found 12/17![Multiple Airlines logo]()
$744
This American Airlines deal was found by Cheapflights users on 12/17. 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 12/2410:59 pmLAX - STT
1 stop9h 41mAmerican Airlines
Sat 12/271:02 pmSTT - LAX
1 stop15h 37mAmerican Airlines
Deal found 12/17![American Airlines logo]()
$767
This Kiwi.com deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2211:59 pmLAX - STT
1 stop10h 29mMultiple Airlines
Mon 12/293:23 pmSTT - LAX
2 stops34h 23mMultiple Airlines
Deal found 12/15![Multiple Airlines logo]()
$781
This Delta deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2211:59 pmLAX - STT
1 stop8h 39mDelta
Thu 1/11:48 pmSTT - LAX
1 stop10h 18mDelta
Deal found 12/15![Delta logo]()
$793
This American Airlines deal was found by Cheapflights users on 12/17. 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 12/1811:55 pmLAX - STT
2 stops11h 40mAmerican Airlines
Thu 12/251:30 pmSTT - LAX
2 stops13h 05mAmerican Airlines
Deal found 12/17![American Airlines logo]()
$803
This Kiwi.com deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:43 pmLAX - STT
1 stop31h 48mMultiple Airlines
Mon 1/55:28 pmSTT - LAX
2 stops45h 05mMultiple Airlines
Deal found 12/16![Multiple Airlines logo]()
$820
This Kiwi.com deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:59 pmLAX - STT
1 stop10h 29mMultiple Airlines
Sun 1/42:12 pmSTT - LAX
2 stops27h 51mMultiple Airlines
Deal found 12/15![Multiple Airlines logo]()
$834
This Expedia deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:59 pmLAX - STT
2 stops13h 32mSpirit Airlines
Thu 1/112:31 pmSTT - LAX
2 stops14h 15mSpirit Airlines
Deal found 12/15![Spirit Airlines logo]()
$836
This Kiwi.com deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2011:43 pmLAX - STT
1 stop31h 48mMultiple Airlines
Mon 12/293:23 pmSTT - LAX
2 stops34h 23mMultiple Airlines
Deal found 12/15![Multiple Airlines logo]()
$842
This Kiwi.com deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2111:43 pmLAX - STT
1 stop31h 48mMultiple Airlines
Mon 12/293:23 pmSTT - LAX
2 stops34h 23mMultiple Airlines
Deal found 12/15![Multiple Airlines logo]()
$843
This American Airlines deal was found by Cheapflights users on 12/17. 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 12/2312:50 amLAX - STT
1 stop10h 09mAmerican Airlines
Sun 12/284:25 pmSTT - LAX
1 stop20h 54mAmerican Airlines
Deal found 12/17![American Airlines logo]()
$858
Find flight deals from Riverside to Saint Thomas Island
Keep the following information in mind while searching for Riverside to Saint Thomas Island flight deals. Data was last updated December 18, 2025.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $340 (Kiwi.com) |
One-way from | $189 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $807 |
Cheapflights Fare Finder
Customize your flight search to find flights from Riverside to Saint Thomas Island 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 December 18, 2025.
Use the filters below to find and compare flights from Riverside to Saint Thomas Island that are best for you.
Fly from
Riverside
Fly to
Saint Thomas Island
Route
Depart
Return
Price
Los AngelesSaint Thomas Island
LAX - STT
LAXSTT
Los Angeles
Thu 1/15
7:07 pm-4:37 pm
2 stops17h 30m
Saint Thomas Island Cyril E King
Thu 1/22
2:00 pm-11:56 pm
2 stops13h 56m
$362
Los AngelesSaint Thomas Island
LAX - STT
LAXSTT
Los Angeles
Thu 1/15
7:07 pm-4:37 pm
2 stops17h 30m
Saint Thomas Island Cyril E King
Thu 1/22
3:57 pm-7:15 am
2 stops19h 18m
$382
Los AngelesSaint Thomas Island
LAX - STT
LAXSTT
Los Angeles
Tue 2/17
1:05 am-4:34 pm
2 stops11h 29m
Saint Thomas Island Cyril E King
Sun 2/22
5:40 pm-7:15 am
2 stops17h 35m
$385
Los AngelesSaint Thomas Island
LAX - STT
LAXSTT
Los Angeles
Wed 2/4
8:38 pm-1:05 pm
1 stop12h 27m
Saint Thomas Island Cyril E King
Mon 2/9
2:00 pm-11:56 pm
2 stops13h 56m
$391
Los AngelesSaint Thomas Island
LAX - STT
LAXSTT
Los Angeles
Tue 2/3
12:33 am-4:37 pm
2 stops12h 04m
Saint Thomas Island Cyril E King
Mon 2/9
2:00 pm-11:56 pm
2 stops13h 56m
$395
Los AngelesSaint Thomas Island
LAX - STT
LAXSTT
Los Angeles
Fri 2/6
12:33 am-4:37 pm
2 stops12h 04m
Saint Thomas Island Cyril E King
Sat 2/14
3:36 pm-11:50 pm
2 stops12h 14m
$407
Los AngelesSaint Thomas Island
LAX - STT
LAXSTT
Los Angeles
Thu 2/5
7:07 pm-4:37 pm
2 stops17h 30m
Saint Thomas Island Cyril E King
Thu 2/19
3:36 pm-7:15 am
3 stops19h 39m
$414
Los AngelesSaint Thomas Island
LAX - STT
LAXSTT
Los Angeles
Mon 1/5
11:43 pm-11:31 am
1 stop31h 48m
Saint Thomas Island Cyril E King
Fri 1/9
3:57 pm-7:15 am
2 stops19h 18m
$426
Los AngelesSaint Thomas Island
LAX - STT
LAXSTT
Los Angeles
Sun 2/15
3:55 pm-12:42 pm
2 stops16h 47m
Saint Thomas Island Cyril E King
Wed 2/18
4:15 pm-11:55 pm
1 stop11h 40m
$447
Los AngelesSaint Thomas Island
LAX - STT
LAXSTT
Los Angeles
Wed 1/7
3:14 pm-2:52 pm
2 stops19h 38m
$189
Showing 1-10 of 18 results
Best time to book a flight from Riverside to Saint Thomas Island
Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from Riverside with our price prediction graph.
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 Riverside to Saint Thomas Island
How far ahead should I book a flight from Riverside to Saint Thomas Island?
Use this chart to determine the optimal time to book a round-trip flight from Riverside to Saint Thomas Island. Price data was last updated on December 12, 2025.
The price you pay for your flight from Riverside to Saint Thomas Island may vary depending on when you book. For the best chance of a lower fare, look to book 49 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Riverside to Saint Thomas Island?
Currently, April is the cheapest month in which you can book a flight from Riverside to Saint Thomas Island (average of $284). Flying from Riverside to Saint Thomas Island in June is currently the most expensive (average of $479). 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.
What is the cheapest time of day to fly from R1V to STT?
Find hourly flight availability from Riverside to Saint Thomas Island. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.
Unlike in the evening, when flights are generally more expensive, you can save up to 47% on flights from Riverside to Saint Thomas Island by exploring options for tickets in the afternoon.
What is the cheapest day to fly from Riverside to Saint Thomas Island?
Use this chart to determine the cheapest time to fly round-trip from Riverside to Saint Thomas Island. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their Riverside to Saint Thomas Island flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Saint Thomas Island
Get insights into the airlines that provide service to Saint Thomas Island. 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 Thomas Island. Reviews last updated December 18, 2025.
Read through reviews of airlines operating flights from Riverside to Saint Thomas Island, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Overall
7.9
Comfort
7.9
Food
7.3
Entertainment
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Crew
8.5
Overall
7.9
Comfort
7.9
Food
7.3
Entertainment
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Crew
8.5
Overall
7.9
Comfort
7.9
Food
7.3
Entertainment
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Crew
8.5
Overall
7.9
Comfort
7.9
Food
7.3
Entertainment
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Crew
8.5
Overall
7.9
Comfort
7.9
Food
7.3
Entertainment
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from Riverside to Saint Thomas Island. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Saint Thomas Island?
Book flights to Saint Thomas Island if you plan to visit one of these locationsSt. John
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Alternative routes for Riverside to Saint Thomas Island
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Riverside to Saint Thomas Island
Discover the top 4 airlines that operate flights from Riverside to Saint Thomas Island. 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 December 18, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$253 | Average$415 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$448 | Average$841 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$457 | Average$592 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$479 | Average$631 | FlexibilityNo cancel fee | On-time69% |