What are the cheapest airlines to fly from Riverside to Saint Thomas Island one-way?

One-way options have recently been found by users for as low as $157 on Spirit Airlines. Other airlines that offer cheap prices include American Airlines from $238 and Frontier from $242 one-way.

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 112% 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 $442.

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 June. 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 $613 on average during February, but can be found for as low as $294.

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.

$157+ Flights from Riverside to Saint Thomas Island

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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 September, booked 64 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	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$316 (Mytrip)
One-way from	$157 (FlightHub)
Popular in	June
Cheapest in	February
Average price	$625

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. 14% potential increase in price ($103 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).

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Average for round-trip flights in March 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 March 31, 2025.

Fri 4/189:02 pmLAX - STT

3 stops33h 58mSpirit Airlines

Tue 4/2211:05 amSTT - LAX

3 stops38h 01mSpirit Airlines

Deal found 3/30

$316

Fri 4/116:30 amLAX - STT

2 stops23h 05mMultiple Airlines

Tue 4/2211:05 amSTT - LAX

3 stops38h 01mMultiple Airlines

Deal found 3/30

$396

Sun 6/19:15 pmLAX - STT

1 stop11h 52mDelta

Thu 6/52:51 pmSTT - LAX

1 stop12h 58mDelta

Deal found 3/31

$479

Wed 6/42:07 pmLAX - STT

1 stop17h 42mAmerican Airlines

Thu 6/264:00 pmSTT - LAX

1 stop20h 14mAmerican Airlines

Deal found 3/30

$509

Fri 5/912:56 amLAX - STT

1 stop11h 47mUnited Airlines

Fri 5/164:45 pmSTT - LAX

1 stop11h 11mUnited Airlines

Deal found 3/30

$517

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 March 31, 2025.

Fri 4/189:02 pmLAX - STT

3 stops33h 58mSpirit Airlines

Tue 4/2211:05 amSTT - LAX

3 stops38h 01mSpirit Airlines

Deal found 3/30

$316

Fri 4/116:30 amLAX - STT

2 stops23h 05mMultiple Airlines

Tue 4/2211:05 amSTT - LAX

3 stops38h 01mMultiple Airlines

Deal found 3/30

$396

Tue 6/35:05 pmLAX - STT

2 stops16h 02mDelta

Wed 6/113:00 pmSTT - LAX

1 stop12h 45mDelta

Deal found 3/31

$479

Wed 6/42:07 pmLAX - STT

1 stop17h 42mAmerican Airlines

Thu 6/264:00 pmSTT - LAX

1 stop20h 14mAmerican Airlines

Deal found 3/30

$509

Fri 5/912:56 amLAX - STT

1 stop11h 47mUnited Airlines

Fri 5/164:45 pmSTT - LAX

1 stop11h 11mUnited Airlines

Deal found 3/30

$517

Last-minute flights from Riverside to Saint Thomas Island
Discover last-minute flight deals from Riverside to Saint Thomas Island. Data last updated March 31, 2025 and is based on user searches.

Sat 4/54:29 pmLAX - STT

1 stop14h 37mSpirit Airlines

Fri 4/2511:05 amSTT - LAX

2 stops23h 31mSpirit Airlines

Deal found 3/29

$384

Sat 4/511:38 pmLAX - STT

1 stop14h 21mAmerican Airlines

Fri 4/255:50 pmSTT - LAX

1 stop19h 01mAmerican Airlines

Deal found 3/29

$543

Thu 4/101:20 amLAX - STT

2 stops13h 00mMultiple Airlines

Mon 4/148:39 amSTT - LAX

2 stops15h 29mMultiple Airlines

Deal found 3/31

$1,242

Fri 4/116:30 amLAX - STT

2 stops23h 05mMultiple Airlines

Tue 4/2211:05 amSTT - LAX

3 stops38h 01mMultiple Airlines

Deal found 3/30

$396

Fri 4/189:02 pmLAX - STT

3 stops33h 58mSpirit Airlines

Tue 4/2211:05 amSTT - LAX

3 stops38h 01mSpirit Airlines

Deal found 3/30

$316

Fri 4/251:34 pmLAX - STT

1 stop19h 22mAmerican Airlines

Thu 5/13:08 pmSTT - LAX

1 stop11h 10mAmerican Airlines

Deal found 3/31

$479

Fri 4/255:20 pmLAX - STT

2 stops16h 23mDelta

Thu 5/11:55 pmSTT - LAX

1 stop13h 57mDelta

Deal found 3/31

$519

Fri 4/2512:50 amLAX - STT

1 stop11h 53mUnited Airlines

Tue 5/64:45 pmSTT - LAX

1 stop11h 11mUnited Airlines

Deal found 3/30

$724

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 March 31, 2025.

Sun 4/2010:30 amLAX - STT

2 stops20h 30mSpirit Airlines

Deal found 3/29

$157

Sat 4/1912:58 amLAX - STT

2 stops13h 01mAmerican Airlines

Deal found 3/29

$238

Sun 4/68:18 pmLAX - STT

2 stops13h 02mFrontier

Deal found 3/31

$242

Sun 4/61:24 pmLAX - STT

3 stops41h 42mMultiple Airlines

Deal found 3/31

$363

Sun 4/2012:45 amLAX - STT

2 stops11h 20mDelta

Deal found 3/30

$430

Sat 5/3110:40 pmLAX - STT

1 stop10h 37mUnited Airlines

Deal found 3/30

$897

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 4/18

9:02 pm-10:00 am

3 stops33h 58m

Saint Thomas Island Cyril E King

Tue 4/22

11:05 am-10:06 pm

3 stops38h 01m

$316

Los AngelesSaint Thomas Island

LAX - STT

LAXSTT

Los Angeles

Fri 4/11

6:30 am-8:35 am

2 stops23h 05m

Saint Thomas Island Cyril E King

Tue 4/22

11:05 am-10:06 pm

3 stops38h 01m

$396

Los AngelesSaint Thomas Island

LAX - STT

LAXSTT

Los Angeles

Sun 6/1

9:15 pm-12:07 pm

1 stop11h 52m

Saint Thomas Island Cyril E King

Thu 6/5

2:51 pm-12:49 am

1 stop12h 58m

$479

Los AngelesSaint Thomas Island

LAX - STT

LAXSTT

Los Angeles

Wed 6/4

2:07 pm-10:49 am

1 stop17h 42m

Saint Thomas Island Cyril E King

Thu 6/26

4:00 pm-9:14 am

1 stop20h 14m

$509

Los AngelesSaint Thomas Island

LAX - STT

LAXSTT

Los Angeles

Fri 5/9

12:56 am-3:43 pm

1 stop11h 47m

Saint Thomas Island Cyril E King

Fri 5/16

4:45 pm-12:56 am

1 stop11h 11m

$517

Los AngelesSaint Thomas Island

LAX - STT

LAXSTT

Los Angeles

Sun 4/20

10:30 am-10:00 am

2 stops20h 30m

$157

Los AngelesSaint Thomas Island

LAX - STT

LAXSTT

Los Angeles

Sat 4/19

12:58 am-4:59 pm

2 stops13h 01m

$238

Los AngelesSaint Thomas Island

LAX - STT

LAXSTT

Los Angeles

Sun 4/20

12:45 am-3:05 pm

2 stops11h 20m

$430

Los AngelesSaint Thomas Island

LAX - STT

LAXSTT

Los Angeles

Sat 5/31

10:40 pm-12:17 pm

1 stop10h 37m

$897

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/29

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 64 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 $640). 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 reviews from past customers who have flown Delta, United Airlines and American Airlines from Riverside to Saint Thomas Island. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,899 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

7,899 reviews

Delta

8.0

Very good

7,899 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

8,614 reviews

Delta

8.0

Very good

7,899 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

7,899 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

7,884 reviews

Delta

8.0

Very good

7,899 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.

Frontier

6.0

Okay

3,276 reviews

Delta

8.0

Very good

7,899 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.
What are the cheapest airlines to fly from Riverside to Saint Thomas Island one-way?
One-way options have recently been found by users for as low as $157 on Spirit Airlines. Other airlines that offer cheap prices include American Airlines from $238 and Frontier from $242 one-way.
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 $640). 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$261	Average$395	FlexibilityNo cancel fee	On-time65%
United Airlines	Cheapest$351	Average$648	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$439	Average$820	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$457	Average$685	FlexibilityNo cancel fee	On-timeN/A

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$157+ 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 4/20. 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 September, booked 64 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 March 31, 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 March 31, 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 March 31, 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 March 28, 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 March 31, 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 reviews from past customers who have flown Delta, United Airlines and American Airlines from Riverside to Saint Thomas Island. 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?

What are the cheapest airlines to fly from Riverside to Saint Thomas Island one-way?

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?

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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 March 31, 2025.