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 $244 on Spirit Airlines. Other airlines that offer cheap prices include United Airlines from $258 and American Airlines from $298 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 116% 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 $440.

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 $609 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.

$205+ Flights from Riverside to Saint Thomas Island - Compare & Save Big

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$346 (Booking.com)
One-way from	$205 (Trip.com)
Popular in	December
Cheapest in	February
Average price	$543

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

Search Deals

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

Search Deals

From Riverside to Saint Thomas Island Cyril E King

Search Deals

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 ($24 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in May 2025

Search Deals

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 May 1, 2025.

Tue 5/67:55 pmLAX - STT

2 stops14h 41mSpirit Airlines

Sat 5/101:21 pmSTT - LAX

2 stops20h 30mSpirit Airlines

Deal found 4/29

$335

Mon 6/210:55 pmLAX - STT

1 stop10h 12mDelta

Fri 6/64:20 pmSTT - LAX

1 stop11h 37mDelta

Deal found 4/28

$479

Thu 9/1112:45 amLAX - STT

2 stops12h 15mAmerican Airlines

Wed 9/241:50 pmSTT - LAX

2 stops21h 38mAmerican Airlines

Deal found 4/29

$549

Fri 7/186:57 pmLAX - STT

3 stops34h 48mMultiple Airlines

Fri 7/259:40 amSTT - LAX

2 stops31h 56mMultiple Airlines

Deal found 4/30

$552

Thu 7/1712:56 amLAX - STT

1 stop11h 47mUnited Airlines

Fri 7/254:45 pmSTT - LAX

1 stop10h 49mUnited Airlines

Deal found 4/30

$558

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 May 1, 2025.

Tue 6/311:33 amLAX - STT

2 stops19h 24mSpirit Airlines

Wed 6/112:41 pmSTT - LAX

2 stops19h 18mSpirit Airlines

Deal found 4/30

$346

Mon 6/210:55 pmLAX - STT

1 stop10h 12mDelta

Fri 6/64:20 pmSTT - LAX

1 stop11h 37mDelta

Deal found 4/28

$479

Thu 9/1112:45 amLAX - STT

2 stops12h 15mAmerican Airlines

Wed 9/241:50 pmSTT - LAX

2 stops21h 38mAmerican Airlines

Deal found 4/29

$549

Fri 7/186:57 pmLAX - STT

3 stops34h 48mMultiple Airlines

Fri 7/259:40 amSTT - LAX

2 stops31h 56mMultiple Airlines

Deal found 4/30

$552

Thu 7/1712:56 amLAX - STT

1 stop11h 47mUnited Airlines

Fri 7/254:45 pmSTT - LAX

1 stop10h 49mUnited Airlines

Deal found 4/30

$558

Last-minute flights from Riverside to Saint Thomas Island
Discover last-minute flight deals from Riverside to Saint Thomas Island. Data last updated May 1, 2025 and is based on user searches.

Thu 5/18:52 amLAX - STT

2 stops22h 08mMultiple Airlines

Tue 5/65:45 pmSTT - LAX

2 stops19h 52mMultiple Airlines

Deal found 4/28

$758

Mon 5/512:45 amLAX - STT

2 stops11h 20mDelta

Sat 5/101:17 pmSTT - LAX

1 stop11h 22mDelta

Deal found 4/30

$783

Tue 5/67:55 pmLAX - STT

2 stops14h 41mSpirit Airlines

Sat 5/101:21 pmSTT - LAX

2 stops20h 30mSpirit Airlines

Deal found 4/29

$335

Tue 5/610:04 pmLAX - STT

1 stop15h 16mAmerican Airlines

Sat 5/103:40 pmSTT - LAX

1 stop20h 03mAmerican Airlines

Deal found 4/29

$647

Wed 5/289:15 pmLAX - STT

1 stop11h 52mDelta

Sun 6/14:20 pmSTT - LAX

1 stop11h 37mDelta

Deal found 4/29

$519

Thu 5/2910:04 pmLAX - STT

1 stop15h 16mAmerican Airlines

Thu 6/54:00 pmSTT - LAX

1 stop9h 54mAmerican Airlines

Deal found 4/29

$549

Fri 5/3010:40 pmLAX - STT

1 stop10h 39mUnited Airlines

Thu 6/54:45 pmSTT - LAX

1 stop10h 49mUnited Airlines

Deal found 4/29

$479

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 May 1, 2025.

Fri 6/62:28 pmLAX - STT

2 stops18h 58mMultiple Airlines

Deal found 4/30

$205

Sat 8/910:02 amLAX - STT

2 stops21h 54mSpirit Airlines

Deal found 4/30

$244

Fri 8/812:56 amLAX - STT

1 stop11h 47mUnited Airlines

Deal found 4/30

$258

Thu 8/283:30 pmLAX - STT

1 stop18h 22mAmerican Airlines

Deal found 4/29

$298

Fri 6/69:15 pmLAX - STT

1 stop11h 52mDelta

Deal found 4/30

$303

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

Tue 6/3

11:33 am-9:57 am

2 stops19h 24m

Saint Thomas Island Cyril E King

Wed 6/11

2:41 pm-6:59 am

2 stops19h 18m

$346

Los AngelesSaint Thomas Island

LAX - STT

LAXSTT

Los Angeles

Mon 6/2

10:55 pm-12:07 pm

1 stop10h 12m

Saint Thomas Island Cyril E King

Wed 6/4

1:17 pm-9:39 pm

1 stop11h 22m

$479

Los AngelesSaint Thomas Island

LAX - STT

LAXSTT

Los Angeles

Thu 9/11

12:45 am-4:00 pm

2 stops12h 15m

Saint Thomas Island Cyril E King

Wed 9/24

1:50 pm-8:28 am

2 stops21h 38m

$549

Los AngelesSaint Thomas Island

LAX - STT

LAXSTT

Los Angeles

Fri 7/18

6:57 pm-8:45 am

3 stops34h 48m

Saint Thomas Island Cyril E King

Fri 7/25

9:40 am-2:36 pm

2 stops31h 56m

$552

Los AngelesSaint Thomas Island

LAX - STT

LAXSTT

Los Angeles

Thu 7/17

12:56 am-3:43 pm

1 stop11h 47m

Saint Thomas Island Cyril E King

Fri 7/25

4:45 pm-12:34 am

1 stop10h 49m

$558

Los AngelesSaint Thomas Island

LAX - STT

LAXSTT

Los Angeles

Fri 6/6

2:28 pm-12:26 pm

2 stops18h 58m

$205

Los AngelesSaint Thomas Island

LAX - STT

LAXSTT

Los Angeles

Sat 8/9

10:02 am-10:56 am

2 stops21h 54m

$244

Los AngelesSaint Thomas Island

LAX - STT

LAXSTT

Los Angeles

Fri 8/8

12:56 am-3:43 pm

1 stop11h 47m

$258

Los AngelesSaint Thomas Island

LAX - STT

LAXSTT

Los Angeles

Thu 8/28

3:30 pm-12:52 pm

1 stop18h 22m

$298

Los AngelesSaint Thomas Island

LAX - STT

LAXSTT

Los Angeles

Fri 6/6

9:15 pm-12:07 pm

1 stop11h 52m

$303

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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 $432). Flying from Riverside to Saint Thomas Island in June is currently the most expensive (average of $627). 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

7,934 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

7,934 reviews

Delta

8.0

Very good

7,934 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

8,696 reviews

Delta

8.0

Very good

7,934 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

7,934 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

7,963 reviews

Delta

8.0

Very good

7,934 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 $244 on Spirit Airlines. Other airlines that offer cheap prices include United Airlines from $258 and American Airlines from $298 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 $432). Flying from Riverside to Saint Thomas Island in June is currently the most expensive (average of $627). 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$388	FlexibilityNo cancel fee	On-time65%
United Airlines	Cheapest$381	Average$644	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$432	Average$820	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$457	Average$679	FlexibilityNo cancel fee	On-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$205+ 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 6/6. 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 May 1, 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 May 1, 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 May 1, 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 April 25, 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 May 1, 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?

Traveling to a place near Riverside?

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 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

100% Free

Book with Flexibility

Travel Smart

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 May 1, 2025.