$122+ 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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — STT
Mar 6 — Mar 131
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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.Cheap flight deals from Riverside to Saint Thomas Island
Cheapest
Best
Last-minute
One-way
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 February 4, 2026.
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 February 4, 2026.
This Orbitz deal was found by Cheapflights users on 2/2. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2311:59 pm
LAX
- STT
1 stop12h 35m
Spirit Airlines
Sat 2/285:40 pm
STT
- LAX
1 stop10h 10m
Spirit Airlines
Deal found 2/2![Spirit Airlines logo]()
$174
This Orbitz deal was found by Cheapflights users on 2/2. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/211:59 pm
LAX
- STT
1 stop12h 35m
Spirit Airlines
Mon 3/94:40 pm
STT
- LAX
1 stop10h 10m
Spirit Airlines
Deal found 2/2![Spirit Airlines logo]()
$198
This Travelocity deal was found by Cheapflights users on 2/2. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/211:59 pm
LAX
- STT
1 stop12h 35m
Spirit Airlines
Fri 3/134:35 pm
STT
- LAX
1 stop10h 21m
Spirit Airlines
Deal found 2/2![Spirit Airlines logo]()
$207
This Cheapflightsfares deal was found by Cheapflights users on 2/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2111:59 pm
LAX
- STT
1 stop12h 35m
Spirit Airlines
Sat 2/285:40 pm
STT
- LAX
1 stop10h 10m
Spirit Airlines
Deal found 2/2![Spirit Airlines logo]()
$248
This CheapOair deal was found by Cheapflights users on 2/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:18 pm
LAX
- STT
2 stops17h 16m
Spirit Airlines
Tue 3/174:35 pm
STT
- LAX
1 stop10h 21m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$257
This Mytrip deal was found by Cheapflights users on 2/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/39:12 am
LAX
- STT
2 stops27h 22m
Spirit Airlines
Tue 3/104:40 pm
STT
- LAX
2 stops17h 35m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$284
This Cheapflightsfares deal was found by Cheapflights users on 2/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/911:30 pm
LAX
- STT
1 stop12h 58m
Spirit Airlines
Thu 4/164:40 pm
STT
- LAX
1 stop10h 11m
Spirit Airlines
Deal found 2/2![Spirit Airlines logo]()
$288
Best flights from Riverside to Saint Thomas IslandDiscover carefully curated flight deals from Riverside to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 4, 2026.
Discover carefully curated flight deals from Riverside to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 4, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 2/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/911:30 pm
LAX
- STT
1 stop12h 58m
Spirit Airlines
Thu 4/164:40 pm
STT
- LAX
1 stop10h 11m
Spirit Airlines
Deal found 2/2![Spirit Airlines logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 4/238:54 pm
LAX
- STT
1 stop13h 37m
Multiple Airlines
Mon 4/272:36 pm
STT
- LAX
1 stop31h 03m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$341
This Cheapflightsfares deal was found by Cheapflights users on 2/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2311:59 pm
LAX
- STT
1 stop12h 35m
Spirit Airlines
Sat 2/285:40 pm
STT
- LAX
1 stop10h 10m
Spirit Airlines
Deal found 2/4![Spirit Airlines logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 5/68:54 pm
LAX
- STT
1 stop13h 37m
Multiple Airlines
Wed 5/204:40 pm
STT
- LAX
1 stop34h 11m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$353
This Cheapflightsfares deal was found by Cheapflights users on 2/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2111:59 pm
LAX
- STT
1 stop12h 35m
Spirit Airlines
Sat 2/285:40 pm
STT
- LAX
1 stop10h 10m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$357
This CheapOair deal was found by Cheapflights users on 2/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/411:51 pm
LAX
- STT
1 stop12h 43m
Spirit Airlines
Sun 5/174:40 pm
STT
- LAX
1 stop10h 11m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$369
Last-minute flights from Riverside to Saint Thomas IslandDiscover last-minute flight deals from Riverside to Saint Thomas Island. Data last updated February 4, 2026 and is based on user searches.
Discover last-minute flight deals from Riverside to Saint Thomas Island. Data last updated February 4, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 2/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2111:59 pm
LAX
- STT
1 stop12h 35m
Spirit Airlines
Sat 2/285:40 pm
STT
- LAX
1 stop10h 10m
Spirit Airlines
Deal found 2/2![Spirit Airlines logo]()
$248
This Orbitz deal was found by Cheapflights users on 2/2. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2311:59 pm
LAX
- STT
1 stop12h 35m
Spirit Airlines
Sat 2/285:40 pm
STT
- LAX
1 stop10h 10m
Spirit Airlines
Deal found 2/2![Spirit Airlines logo]()
$174
This Orbitz deal was found by Cheapflights users on 2/2. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/211:59 pm
LAX
- STT
1 stop12h 35m
Spirit Airlines
Mon 3/94:40 pm
STT
- LAX
1 stop10h 10m
Spirit Airlines
Deal found 2/2![Spirit Airlines logo]()
$198
This Travelocity deal was found by Cheapflights users on 2/2. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/211:59 pm
LAX
- STT
1 stop12h 35m
Spirit Airlines
Fri 3/134:35 pm
STT
- LAX
1 stop10h 21m
Spirit Airlines
Deal found 2/2![Spirit Airlines logo]()
$207
This CheapOair deal was found by Cheapflights users on 2/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:18 pm
LAX
- STT
2 stops17h 16m
Spirit Airlines
Tue 3/174:35 pm
STT
- LAX
1 stop10h 21m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$257
This Mytrip deal was found by Cheapflights users on 2/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/39:12 am
LAX
- STT
2 stops27h 22m
Spirit Airlines
Tue 3/104:40 pm
STT
- LAX
2 stops17h 35m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$284
One-way flights from Riverside to Saint Thomas IslandSearch for one-way flight options from Riverside to Saint Thomas Island. Find affordable one-way fares based on user searches. Data last updated February 4, 2026.
Search for one-way flight options from Riverside to Saint Thomas Island. Find affordable one-way fares based on user searches. Data last updated February 4, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 2/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1611:30 pm
LAX
- STT
1 stop12h 58m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$122
This CheapOair deal was found by Cheapflights users on 2/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/21:05 am
LAX
- STT
2 stops11h 29m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$130
This Cheapflightsfares deal was found by Cheapflights users on 2/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2111:59 pm
LAX
- STT
1 stop12h 35m
Spirit Airlines
Deal found 2/1![Spirit Airlines logo]()
$142
This Cheapflightsfares deal was found by Cheapflights users on 2/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1211:30 pm
LAX
- STT
1 stop12h 58m
Spirit Airlines
Deal found 2/2![Spirit Airlines logo]()
$144
This CheapOair deal was found by Cheapflights users on 2/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/111:11 am
LAX
- STT
2 stops11h 17m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$167
This Trip.com deal was found by Cheapflights users on 2/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/33:00 pm
LAX
- STT
1 stop21h 34m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Sun 4/1210:41 pm
LAX
- STT
3 stops37h 47m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 2/213:22 pm
LAX
- STT
3 stops19h 09m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$217
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 February 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $174 (Orbitz) |
One-way from | $122 (Cheapflightsfares) |
Popular in | December |
Cheapest in | August |
Average price | $560 |
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 February 4, 2026.
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 4/9
11:30 pm-3:28 pm
1 stop12h 58m
Saint Thomas Island Cyril E King
Thu 4/16
4:40 pm-11:51 pm
1 stop10h 11m
$288
Los AngelesSaint Thomas Island
LAX - STT
LAXSTT
Los Angeles
Mon 2/23
11:59 pm-4:34 pm
1 stop12h 35m
Saint Thomas Island Cyril E King
Sat 2/28
5:40 pm-11:50 pm
1 stop10h 10m
$293
Los AngelesSaint Thomas Island
LAX - STT
LAXSTT
Los Angeles
Thu 4/23
8:54 pm-1:31 pm
1 stop13h 37m
Saint Thomas Island Cyril E King
Mon 4/27
2:36 pm-6:39 pm
1 stop31h 03m
$341
Los AngelesSaint Thomas Island
LAX - STT
LAXSTT
Los Angeles
Wed 5/6
8:54 pm-1:31 pm
1 stop13h 37m
Saint Thomas Island Cyril E King
Wed 5/20
4:40 pm-11:51 pm
1 stop34h 11m
$353
Los AngelesSaint Thomas Island
LAX - STT
LAXSTT
Los Angeles
Sat 2/21
11:59 pm-4:34 pm
1 stop12h 35m
Saint Thomas Island Cyril E King
Sat 2/28
5:40 pm-11:50 pm
1 stop10h 10m
$357
Los AngelesSaint Thomas Island
LAX - STT
LAXSTT
Los Angeles
Mon 5/4
11:51 pm-3:34 pm
1 stop12h 43m
Saint Thomas Island Cyril E King
Sun 5/17
4:40 pm-11:51 pm
1 stop10h 11m
$369
Los AngelesSaint Thomas Island
LAX - STT
LAXSTT
Los Angeles
Mon 3/16
11:30 pm-3:28 pm
1 stop12h 58m
$122
Los AngelesSaint Thomas Island
LAX - STT
LAXSTT
Los Angeles
Mon 3/2
1:05 am-4:34 pm
2 stops11h 29m
$130
Los AngelesSaint Thomas Island
LAX - STT
LAXSTT
Los Angeles
Sat 2/21
11:59 pm-4:34 pm
1 stop12h 35m
$142
Los AngelesSaint Thomas Island
LAX - STT
LAXSTT
Los Angeles
Sun 4/12
11:30 pm-3:28 pm
1 stop12h 58m
$144
Showing 1-10 of 14 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.
LAX-STT
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
R1V-STT
LAX-STT
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 January 30, 2026.
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, March is the cheapest month in which you can book a flight from Riverside to Saint Thomas Island (average of $277). 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.
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 February 4, 2026.
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.
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.9
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.9
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.9
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.9
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.9
Crew
8.5
Overall
7.9
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
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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Saint Thomas Island flight routes
Top destinations
Alternative routes for Riverside to Saint Thomas Island
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Saint Thomas Island by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Riverside to Saint Thomas Island by cabin class
Find flights from Riverside to Saint Thomas Island, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Riverside and Saint Thomas Island flights
Browse other Riverside and Saint Thomas Island flight options. Last updated on February 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Saint Thomas Island
Explore flights to Saint Thomas Island departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 4, 2026.
Riverside to Saint Thomas Island flights
Consider these flights traveling from Riverside to Saint Thomas Island.
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 February 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$253 | Average$411 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$457 | Average$596 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$458 | Average$629 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$479 | Average$686 | FlexibilityNo cancel fee | On-time71% |