How long is the flight from Riverside to Saint Thomas Island?

Departing from Riverside to Saint Thomas Island will take you 32h 33m. The distance from Riverside to Saint Thomas Island is about 3442 mi.

What are the most popular airlines that fly from Riverside to Saint Thomas Island?

Consider American Airlines, Delta or Spirit Airlines when booking your flight. These represent the most popular airlines when flying from Riverside to Saint Thomas Island.

How far in advance should I book a flight from Riverside to Saint Thomas Island?

Find a great deal and save up to 156% by booking at least 23 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Riverside to Saint Thomas Island within the next two weeks, with the cheapest ticket starting at $500.

What is the cheapest month to fly from Riverside to Saint Thomas Island?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, February can be a great choice for travel to Saint Thomas Island. Flights to Saint Thomas Island from Riverside in February are about $616 on average during February, but can be found for as low as $290.

What airport do you fly into for flights to Saint Thomas Island from Riverside?

If you book a flight to Saint Thomas Island from Riverside, you will be flying to Cyril E King, which is the city’s only airport. Saint Thomas Island Cyril E King (STT) is located 2.8 mi from the center of Saint Thomas Island. There are 0 flights from Riverside to Cyril E King per day from 4 different airlines.

How can I find direct flights from Riverside to Saint Thomas Island?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Riverside to Saint Thomas Island.

Can I find deals for business class flights from Riverside to Saint Thomas Island?

Yes. Cheapflights offers flight deals from Riverside to Saint Thomas Island by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$182+ Flights from Riverside to Saint Thomas Island

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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 January, booked 22 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap flight deals from Riverside to Saint Thomas Island

Round-trip from	$329 (Gotogate)
One-way from	$182 (Cheapflightsfares)
Popular in	December
Cheapest in	February
Average price	$664

From Riverside to Saint Thomas Island Cyril E King

Search Deals

One-way flight from Riverside to Saint Thomas Island Cyril E King

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Highest demand for flights based on searches. 2% potential increase in price ($18 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Find flight deals from Riverside to Saint Thomas Island

Cheapest flights from Riverside to Saint Thomas Island
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 September 15, 2025.

Mon 9/2211:10 amLAX - STT

1 stop19h 34mSpirit Airlines

Mon 10/611:01 amSTT - LAX

1 stop14h 54mSpirit Airlines

Deal found 9/14

$329

Fri 10/311:10 amLAX - STT

1 stop19h 34mSpirit Airlines

Thu 10/911:01 amSTT - LAX

1 stop14h 54mSpirit Airlines

Deal found 9/13

$334

Fri 10/32:21 pmLAX - STT

2 stops40h 35mMultiple Airlines

Thu 10/92:04 pmSTT - LAX

1 stop21h 24mMultiple Airlines

Deal found 9/14

$351

Sun 9/282:21 pmLAX - STT

1 stop21h 36mMultiple Airlines

Tue 10/711:01 amSTT - LAX

2 stops24h 27mMultiple Airlines

Deal found 9/15

$356

Wed 10/222:27 pmLAX - STT

1 stop19h 32mMultiple Airlines

Mon 10/2711:01 amSTT - LAX

1 stop14h 54mMultiple Airlines

Deal found 9/14

$372

Wed 10/222:27 pmLAX - STT

1 stop19h 32mMultiple Airlines

Tue 10/2811:01 amSTT - LAX

2 stops24h 16mMultiple Airlines

Deal found 9/14

$373

Wed 10/222:27 pmLAX - STT

1 stop19h 32mMultiple Airlines

Wed 10/2911:01 amSTT - LAX

2 stops29h 14mMultiple Airlines

Deal found 9/14

$374

Fri 10/319:01 amLAX - STT

2 stops21h 55mSpirit Airlines

Sun 11/91:33 pmSTT - LAX

1 stop12h 06mSpirit Airlines

Deal found 9/13

$376

Tue 10/212:27 pmLAX - STT

2 stops40h 29mMultiple Airlines

Mon 10/2711:01 amSTT - LAX

1 stop14h 54mMultiple Airlines

Deal found 9/14

$378

Mon 11/1712:40 pmLAX - STT

1 stop19h 48mMultiple Airlines

Wed 12/34:06 pmSTT - LAX

2 stops33h 47mMultiple Airlines

Deal found 9/13

$381

Best flights from Riverside to Saint Thomas Island
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 September 15, 2025.

Fri 10/310:23 pmLAX - STT

3 stops32h 33mSpirit Airlines

Thu 10/911:01 amSTT - LAX

3 stops24h 05mSpirit Airlines

Deal found 9/14

$394

Thu 10/911:53 pmLAX - STT

2 stops31h 03mMultiple Airlines

Sat 10/182:01 pmSTT - LAX

1 stop21h 27mMultiple Airlines

Deal found 9/14

$421

Mon 3/29:59 pmLAX - STT

2 stops13h 16mJetBlue

Mon 3/94:10 pmSTT - LAX

2 stops24h 09mJetBlue

Deal found 9/13

$453

Thu 10/911:53 pmLAX - STT

3 stops31h 03mSpirit Airlines

Sat 10/1811:01 amSTT - LAX

2 stops24h 16mSpirit Airlines

Deal found 9/14

$405

Thu 11/65:18 pmLAX - STT

2 stops15h 10mSpirit Airlines

Tue 11/111:33 pmSTT - LAX

2 stops23h 35mSpirit Airlines

Deal found 9/15

$444

Sat 12/209:25 pmLAX - STT

2 stops13h 12mJetBlue

Sat 12/2712:59 pmSTT - LAX

2 stops15h 58mJetBlue

Deal found 9/13

$492

Tue 11/1112:57 amLAX - STT

2 stops31h 31mSpirit Airlines

Sun 11/161:33 pmSTT - LAX

1 stop12h 06mSpirit Airlines

Deal found 9/13

$447

Sun 9/285:30 amLAX - STT

2 stops25h 14mSpirit Airlines

Tue 10/711:01 amSTT - LAX

3 stops33h 31mSpirit Airlines

Deal found 9/15

$449

Mon 10/612:09 amLAX - STT

3 stops30h 47mSpirit Airlines

Sun 10/1211:01 amSTT - LAX

3 stops31h 19mSpirit Airlines

Deal found 9/15

$453

Wed 10/2912:09 amLAX - STT

3 stops30h 47mSpirit Airlines

Sat 11/81:33 pmSTT - LAX

3 stops36h 20mSpirit Airlines

Deal found 9/13

$459

Sun 12/712:38 amLAX - STT

2 stops10h 33mSpirit Airlines

Mon 12/151:33 pmSTT - LAX

2 stops23h 38mSpirit Airlines

Deal found 9/14

$523

Last-minute flights from Riverside to Saint Thomas Island
Discover last-minute flight deals from Riverside to Saint Thomas Island. Data last updated September 15, 2025 and is based on user searches.

Mon 9/2211:10 amLAX - STT

1 stop19h 34mSpirit Airlines

Mon 10/611:01 amSTT - LAX

1 stop14h 54mSpirit Airlines

Deal found 9/14

$329

Sun 9/282:21 pmLAX - STT

1 stop21h 36mMultiple Airlines

Tue 10/711:01 amSTT - LAX

2 stops24h 27mMultiple Airlines

Deal found 9/15

$356

Fri 10/311:10 amLAX - STT

1 stop19h 34mSpirit Airlines

Thu 10/911:01 amSTT - LAX

1 stop14h 54mSpirit Airlines

Deal found 9/13

$334

Fri 10/32:21 pmLAX - STT

2 stops40h 35mMultiple Airlines

Thu 10/92:04 pmSTT - LAX

1 stop21h 24mMultiple Airlines

Deal found 9/14

$351

Tue 10/79:20 amLAX - STT

2 stops21h 36mSpirit Airlines

Sun 10/1211:01 amSTT - LAX

2 stops24h 16mSpirit Airlines

Deal found 9/15

$386

Tue 10/212:27 pmLAX - STT

2 stops40h 29mMultiple Airlines

Mon 10/2711:01 amSTT - LAX

1 stop14h 54mMultiple Airlines

Deal found 9/14

$378

Wed 10/222:27 pmLAX - STT

1 stop19h 32mMultiple Airlines

Mon 10/2711:01 amSTT - LAX

1 stop14h 54mMultiple Airlines

Deal found 9/14

$372

Wed 10/222:27 pmLAX - STT

1 stop19h 32mMultiple Airlines

Tue 10/2811:01 amSTT - LAX

2 stops24h 16mMultiple Airlines

Deal found 9/14

$373

Wed 10/222:27 pmLAX - STT

1 stop19h 32mMultiple Airlines

Wed 10/2911:01 amSTT - LAX

2 stops29h 14mMultiple Airlines

Deal found 9/14

$374

Fri 10/319:01 amLAX - STT

2 stops21h 55mSpirit Airlines

Sun 11/91:33 pmSTT - LAX

1 stop12h 06mSpirit Airlines

Deal found 9/13

$376

One-way flights from Riverside to Saint Thomas Island
Search for one-way flight options from Riverside to Saint Thomas Island. Find affordable one-way fares based on user searches. Data last updated September 15, 2025.

Sat 11/812:57 amLAX - STT

2 stops10h 14mSpirit Airlines

Deal found 9/13

$182

Thu 11/1311:18 amLAX - STT

2 stops23h 53mSpirit Airlines

Deal found 9/15

$185

Sat 11/19:20 amLAX - STT

2 stops22h 31mSpirit Airlines

Deal found 9/14

$191

Fri 10/312:25 pmLAX - STT

2 stops45h 05mMultiple Airlines

Deal found 9/13

$198

Fri 10/3111:15 amLAX - STT

1 stop19h 41mSpirit Airlines

Deal found 9/13

$199

Sat 11/12:38 pmLAX - STT

2 stops20h 52mMultiple Airlines

Deal found 9/13

$206

Sat 11/1511:18 amLAX - STT

2 stops23h 53mSpirit Airlines

Deal found 9/15

$224

Cheapflights Fare Finder

Use the filters below to find and compare flights from Riverside to Saint Thomas Island that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesSaint Thomas Island

LAX - STT

LAXSTT

Los Angeles

Fri 10/3

10:23 pm-9:56 am

3 stops32h 33m

Saint Thomas Island Cyril E King

Thu 10/9

11:01 am-8:06 am

3 stops24h 05m

$394

Los AngelesSaint Thomas Island

LAX - STT

LAXSTT

Los Angeles

Thu 10/9

11:53 pm-9:56 am

3 stops31h 03m

Saint Thomas Island Cyril E King

Sat 10/18

11:01 am-8:17 am

2 stops24h 16m

$405

Los AngelesSaint Thomas Island

LAX - STT

LAXSTT

Los Angeles

Thu 10/9

11:53 pm-9:56 am

2 stops31h 03m

Saint Thomas Island Cyril E King

Sat 10/18

2:01 pm-8:28 am

1 stop21h 27m

$421

Los AngelesSaint Thomas Island

LAX - STT

LAXSTT

Los Angeles

Thu 11/6

5:18 pm-12:28 pm

2 stops15h 10m

Saint Thomas Island Cyril E King

Tue 11/11

1:33 pm-9:08 am

2 stops23h 35m

$444

Los AngelesSaint Thomas Island

LAX - STT

LAXSTT

Los Angeles

Tue 11/11

12:57 am-12:28 pm

2 stops31h 31m

Saint Thomas Island Cyril E King

Sun 11/16

1:33 pm-9:39 pm

1 stop12h 06m

$447

Los AngelesSaint Thomas Island

LAX - STT

LAXSTT

Los Angeles

Sun 9/28

5:30 am-9:44 am

2 stops25h 14m

Saint Thomas Island Cyril E King

Tue 10/7

11:01 am-5:32 pm

3 stops33h 31m

$449

Los AngelesSaint Thomas Island

LAX - STT

LAXSTT

Los Angeles

Mon 3/2

9:59 pm-3:15 pm

2 stops13h 16m

Saint Thomas Island Cyril E King

Mon 3/9

4:10 pm-1:19 pm

2 stops24h 09m

$453

Los AngelesSaint Thomas Island

LAX - STT

LAXSTT

Los Angeles

Mon 10/6

12:09 am-9:56 am

3 stops30h 47m

Saint Thomas Island Cyril E King

Sun 10/12

11:01 am-3:20 pm

3 stops31h 19m

$453

Los AngelesSaint Thomas Island

LAX - STT

LAXSTT

Los Angeles

Wed 10/29

12:09 am-9:56 am

3 stops30h 47m

Saint Thomas Island Cyril E King

Sat 11/8

1:33 pm-9:53 pm

3 stops36h 20m

$459

Los AngelesSaint Thomas Island

LAX - STT

LAXSTT

Los Angeles

Sat 12/20

9:25 pm-2:37 pm

2 stops13h 12m

Saint Thomas Island Cyril E King

Sat 12/27

12:59 pm-12:57 am

2 stops15h 58m

$492

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 19 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?

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 22 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, September is the cheapest month in which you can book a flight from Riverside to Saint Thomas Island (average of $433). Flying from Riverside to Saint Thomas Island in June is currently the most expensive (average of $643). 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?

When flying from Riverside to Saint Thomas Island, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Riverside to Saint Thomas Island?

Travelers seeking maximum savings on their Riverside to Saint Thomas Island flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Thursday 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

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.

Delta

8.0

Very good

7,954 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,954 reviews

Delta

8.0

Very good

7,954 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,929 reviews

Delta

8.0

Very good

7,954 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,954 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Spirit Airlines

6.3

Okay

8,015 reviews

Delta

8.0

Very good

7,954 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What airport do you fly into for flights to Saint Thomas Island from Riverside?
If you book a flight to Saint Thomas Island from Riverside, you will be flying to Cyril E King, which is the city’s only airport. Saint Thomas Island Cyril E King (STT) is located 2.8 mi from the center of Saint Thomas Island. There are 0 flights from Riverside to Cyril E King per day from 4 different airlines.
How long is the flight from Riverside to Saint Thomas Island?
Departing from Riverside to Saint Thomas Island will take you 32h 33m. The distance from Riverside to Saint Thomas Island is about 3442 mi.
Can I find deals for flights from Riverside to Saint Thomas Island that include hotel bookings?
Yes. In addition to deals on Riverside to Saint Thomas Island flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Riverside to Saint Thomas Island?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Riverside to Saint Thomas Island.
Can I find deals for business class flights from Riverside to Saint Thomas Island?
Yes. Cheapflights offers flight deals from Riverside to Saint Thomas Island by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Riverside to Saint Thomas Island?
Currently, September is the cheapest month in which you can book a flight from Riverside to Saint Thomas Island (average of $433). Flying from Riverside to Saint Thomas Island in June is currently the most expensive (average of $643). 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.

See more FAQs

St. John

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Riverside to Saint Thomas Island

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$274	Average$396	FlexibilityNo cancel fee	On-time65%
American Airlines	Cheapest$416	Average$838	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$436	Average$615	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$457	Average$639	FlexibilityNo cancel fee	On-timeN/A

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$182+ 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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Riverside to Saint Thomas Island with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Riverside to Saint Thomas Island Cyril E King are usually found in February or January, booked 22 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap 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 September 15, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 September 15, 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 September 15, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Riverside to Saint Thomas Island that are best for you.

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.

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 September 12, 2025.

What is the cheapest month to book a flight from Riverside to Saint Thomas Island?

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 September 15, 2025.

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.

Reviews of airlines servicing Saint Thomas Island

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.

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.

What airport do you fly into for flights to Saint Thomas Island from Riverside?

How long is the flight from Riverside to Saint Thomas Island?

Can I find deals for flights from Riverside to Saint Thomas Island that include hotel bookings?

How can I find direct flights from Riverside to Saint Thomas Island?

Can I find deals for business class flights from Riverside to Saint Thomas Island?

What is the cheapest month to book a flight from Riverside to Saint Thomas Island?

Traveling to a place near Saint Thomas Island?

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Alternative routes for Riverside to Saint Thomas Island

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Top 4 airlines flying from Riverside to Saint Thomas Island

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Cheapest flights from Riverside to Saint Thomas Island
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 September 15, 2025.