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

Departing from Riverside to Saint Thomas Island will take you 12h 25m. The distance from Riverside to Saint Thomas Island is about 3442 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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.

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.

$143+ 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”

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Cheapflights Tip: The best prices from Riverside to Saint Thomas Island Cyril E King are usually found in February or May, 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

Most accurate provider	CheapOair 3 stars
Most trusted provider	CheapOair 3 stars
Round-trip from	$339 (Booking.com)
One-way from	$143 (Travelocity)
Popular in	December
Cheapest in	February
Average price	$644

Provider with most accurate pricing for Los Angeles-Saint Thomas Island Cyril E King flight deals.

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Provider most trusted by Cheapflights users for Los Angeles-Saint Thomas Island Cyril E King flights.

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From Riverside to Saint Thomas Island Cyril E King

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

Search Deals

Highest demand for flights based on searches. 3% potential increase in price ($25 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).

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Average for round-trip flights in October 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 octubre 30, 2025.

lun. 11/2412:28 pmLAX - STT

2 stops20h 27mSpirit Airlines

mar. 12/22:00 pmSTT - LAX

2 stops20h 47mSpirit Airlines

Deal found 10/28

$347

dom. 12/710:35 amLAX - STT

2 stops21h 21mSpirit Airlines

dom. 12/2112:46 pmSTT - LAX

1 stop11h 29mSpirit Airlines

Deal found 10/28

$371

mié. 11/196:10 amLAX - STT

3 stops28h 20mSpirit Airlines

mar. 11/252:00 pmSTT - LAX

2 stops20h 54mSpirit Airlines

Deal found 10/28

$382

mar. 11/1811:59 pmLAX - STT

3 stops32h 56mSpirit Airlines

mar. 11/252:00 pmSTT - LAX

2 stops20h 54mSpirit Airlines

Deal found 10/29

$417

mié. 12/245:59 pmLAX - STT

2 stops13h 32mSpirit Airlines

mié. 12/3112:31 pmSTT - LAX

1 stop10h 48mSpirit Airlines

Deal found 10/28

$435

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 octubre 30, 2025.

mié. 11/1910:49 amLAX - STT

2 stops22h 06mMultiple Airlines

mar. 11/253:25 pmSTT - LAX

1 stop30h 58mMultiple Airlines

Deal found 10/28

$444

mié. 11/196:10 amLAX - STT

3 stops28h 20mSpirit Airlines

mar. 11/252:00 pmSTT - LAX

3 stops34h 59mSpirit Airlines

Deal found 10/28

$457

mar. 1/138:40 pmLAX - STT

1 stop12h 25mJetBlue

vie. 1/165:15 pmSTT - LAX

2 stops20h 18mJetBlue

Deal found 10/28

$518

mar. 1/136:47 pmLAX - STT

2 stops13h 13mUnited Airlines

vie. 1/161:02 pmSTT - LAX

2 stops14h 50mUnited Airlines

Deal found 10/28

$539

lun. 1/1212:38 amLAX - STT

2 stops12h 27mAmerican Airlines

vie. 1/166:39 pmSTT - LAX

2 stops18h 00mAmerican Airlines

Deal found 10/28

$539

jue. 1/229:55 pmLAX - STT

1 stop11h 54mDelta

lun. 1/264:15 pmSTT - LAX

1 stop10h 25mDelta

Deal found 10/29

$539

mié. 12/248:23 amLAX - STT

1 stop23h 18mSpirit Airlines

mié. 12/3112:46 pmSTT - LAX

1 stop11h 29mSpirit Airlines

Deal found 10/28

$491

dom. 12/711:31 pmLAX - STT

1 stop9h 25mAmerican Airlines

dom. 12/213:39 pmSTT - LAX

1 stop12h 01mAmerican Airlines

Deal found 10/28

$539

sáb. 12/207:40 pmLAX - STT

2 stops11h 51mSpirit Airlines

jue. 12/2512:31 pmSTT - LAX

1 stop11h 44mSpirit Airlines

Deal found 10/29

$516

lun. 12/1511:00 amLAX - STT

2 stops21h 00mUnited Airlines

sáb. 12/203:05 pmSTT - LAX

1 stop11h 38mUnited Airlines

Deal found 10/28

$594

lun. 12/2910:55 pmLAX - STT

1 stop9h 10mAmerican Airlines

lun. 1/56:36 pmSTT - LAX

1 stop19h 56mAmerican Airlines

Deal found 10/29

$619

lun. 12/2211:43 pmLAX - STT

1 stop31h 48mSpirit Airlines

dom. 12/2812:31 pmSTT - LAX

1 stop10h 48mSpirit Airlines

Deal found 10/30

$576

Last-minute flights from Riverside to Saint Thomas Island
Discover last-minute flight deals from Riverside to Saint Thomas Island. Data last updated octubre 30, 2025 and is based on user searches.

mar. 11/1811:59 pmLAX - STT

3 stops32h 56mSpirit Airlines

mar. 11/252:00 pmSTT - LAX

2 stops20h 54mSpirit Airlines

Deal found 10/29

$417

mié. 11/196:10 amLAX - STT

3 stops28h 20mSpirit Airlines

mar. 11/252:00 pmSTT - LAX

2 stops20h 54mSpirit Airlines

Deal found 10/28

$382

mié. 11/1910:49 amLAX - STT

2 stops22h 06mMultiple Airlines

mar. 11/253:25 pmSTT - LAX

1 stop30h 58mMultiple Airlines

Deal found 10/28

$444

jue. 11/205:45 amLAX - STT

2 stops27h 10mSpirit Airlines

mar. 11/252:00 pmSTT - LAX

2 stops13h 50mSpirit Airlines

Deal found 10/28

$445

lun. 11/2412:28 pmLAX - STT

2 stops20h 27mSpirit Airlines

mar. 12/22:00 pmSTT - LAX

2 stops20h 47mSpirit Airlines

Deal found 10/28

$347

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 octubre 30, 2025.

jue. 12/410:35 amLAX - STT

2 stops21h 21mSpirit Airlines

Deal found 10/28

$143

mié. 12/31:42 pmLAX - STT

2 stops42h 14mMultiple Airlines

Deal found 10/28

$169

vie. 12/510:35 amLAX - STT

2 stops21h 21mSpirit Airlines

Deal found 10/28

$181

lun. 11/175:30 amLAX - STT

2 stops27h 30mSpirit Airlines

Deal found 10/29

$188

vie. 12/510:35 amLAX - STT

3 stops24h 14mMultiple Airlines

Deal found 10/28

$207

sáb. 11/1510:49 amLAX - STT

2 stops22h 11mSpirit Airlines

Deal found 10/28

$256

jue. 12/43:30 pmLAX - STT

3 stops19h 19mMultiple Airlines

Deal found 10/28

$258

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

mié. 11/19

10:49 am-12:55 pm

2 stops22h 06m

Saint Thomas Island Cyril E King

mar. 11/25

3:25 pm-6:23 pm

1 stop30h 58m

$444

Los AngelesSaint Thomas Island

LAX - STT

LAXSTT

Los Angeles

mié. 11/19

6:10 am-2:30 pm

3 stops28h 20m

Saint Thomas Island Cyril E King

mar. 11/25

2:00 pm-8:59 pm

3 stops34h 59m

$457

Los AngelesSaint Thomas Island

LAX - STT

LAXSTT

Los Angeles

mié. 12/24

8:23 am-11:41 am

1 stop23h 18m

Saint Thomas Island Cyril E King

mié. 12/31

12:46 pm-8:15 pm

1 stop11h 29m

$491

Los AngelesSaint Thomas Island

LAX - STT

LAXSTT

Los Angeles

sáb. 12/20

7:40 pm-11:31 am

2 stops11h 51m

Saint Thomas Island Cyril E King

jue. 12/25

12:31 pm-8:15 pm

1 stop11h 44m

$516

Los AngelesSaint Thomas Island

LAX - STT

LAXSTT

Los Angeles

mar. 1/13

8:40 pm-1:05 pm

1 stop12h 25m

Saint Thomas Island Cyril E King

vie. 1/16

5:15 pm-9:33 am

2 stops20h 18m

$518

Los AngelesSaint Thomas Island

LAX - STT

LAXSTT

Los Angeles

mar. 1/13

6:47 pm-12:00 pm

2 stops13h 13m

Saint Thomas Island Cyril E King

vie. 1/16

1:02 pm-11:52 pm

2 stops14h 50m

$539

Los AngelesSaint Thomas Island

LAX - STT

LAXSTT

Los Angeles

lun. 1/12

12:38 am-5:05 pm

2 stops12h 27m

Saint Thomas Island Cyril E King

vie. 1/16

6:39 pm-8:39 am

2 stops18h 00m

$539

Los AngelesSaint Thomas Island

LAX - STT

LAXSTT

Los Angeles

jue. 1/22

9:55 pm-1:49 pm

1 stop11h 54m

Saint Thomas Island Cyril E King

lun. 1/26

4:15 pm-10:40 pm

1 stop10h 25m

$539

Los AngelesSaint Thomas Island

LAX - STT

LAXSTT

Los Angeles

dom. 12/7

11:31 pm-12:56 pm

1 stop9h 25m

Saint Thomas Island Cyril E King

dom. 12/21

3:39 pm-11:40 pm

1 stop12h 01m

$539

Los AngelesSaint Thomas Island

LAX - STT

LAXSTT

Los Angeles

lun. 12/22

11:43 pm-11:31 am

1 stop31h 48m

Saint Thomas Island Cyril E King

dom. 12/28

12:31 pm-7:19 pm

1 stop10h 48m

$576

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 22 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, April is the cheapest month in which you can book a flight from Riverside to Saint Thomas Island (average of $285). 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?

Unlike in the evening, when flights are generally more expensive, you can save up to 36% 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?

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

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

7.9

Good

7,998 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

7.9

Good

7,998 reviews

Delta

7.9

Good

7,998 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

8,998 reviews

Delta

7.9

Good

7,998 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

11,035 reviews

Delta

7.9

Good

7,998 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

8,116 reviews

Delta

7.9

Good

7,998 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 12h 25m. The distance from Riverside to Saint Thomas Island is about 3442 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
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, April is the cheapest month in which you can book a flight from Riverside to Saint Thomas Island (average of $285). 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.

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$260	Average$432	FlexibilityNo cancel fee	On-time65%
American Airlines	Cheapest$419	Average$853	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$457	Average$633	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$479	Average$665	FlexibilityNo cancel fee	On-time69%

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$143+ 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 12/4. 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

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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 May, 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 octubre 30, 2025.

Most accurate provider

Most trusted provider

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 octubre 30, 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 octubre 30, 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 October 24, 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 octubre 30, 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?

Browse thousands of different options on Cheapflights for your next trip

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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

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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 octubre 30, 2025.