What are the cheapest airlines flying from San Diego to Saint Thomas Island round-trip?

Our cheapest airline available from San Diego to Saint Thomas Island is Spirit Airlines. Our recent data shows that you can find tickets from as low as $361 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $479 and $538 round-trip. These flights start at 48% lower than the current average price 3 months from now.

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

Travelers seeking maximum savings on their San Diego to Saint Thomas Island flight should consider departing on Thursday afternoons when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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

Before booking your flight from San Diego to Saint Thomas Island check out the most popular airlines for this route: American Airlines, Delta or Spirit Airlines.

What is the cheapest day to fly round-trip from San Diego to Saint Thomas Island?

Departing on a Monday is a good option for securing a great price. You can expect to save up to 122% when planning your travel around this day of the week.

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

To save up to 230% on this flight, we recommend booking at least 32 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from San Diego to Saint Thomas Island from $379 1-2 weeks out and tickets from $827 for flights departing within the next 72 hours.

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

The best pricing can be found in the month of September. Prices to Saint Thomas Island from San Diego average $698. You can even find prices in September for less than $698, as users have found deals to Saint Thomas Island from as low as $291. The month of December appears to be one of the more expensive times to travel to Saint Thomas Island from San Diego. Flying in the targeted month can save you up to 91%.

Most accurate provider : When it comes to deals on San Diego-Saint Thomas Island flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on San Diego-Saint Thomas Island flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from San Diego-Saint Thomas Island flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on San Diego-Saint Thomas Island flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-Saint Thomas Island flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Yes. In addition to deals on San Diego to Saint Thomas Island flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from San Diego 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 San Diego to Saint Thomas Island.

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

Yes. Cheapflights offers flight deals from San Diego 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.

$258+ Flights from San Diego to Saint Thomas Island

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

Find cheap flights from San Diego 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 San Diego to Saint Thomas Island Cyril E King are usually found in September or January, booked 31 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from San Diego to Saint Thomas Island

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$361 (Mytrip)
One-way from	$258 (Delta)
Popular in	December
Cheapest in	September
Average price	$716

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

Search Deals

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

Search Deals

From San Diego to Saint Thomas Island Cyril E King

Search Deals

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

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($108 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 9% potential price decrease ($59 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from San Diego to Saint Thomas Island

Cheapest flights from San Diego to Saint Thomas Island
Explore the most affordable flight options available from San Diego to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

Wed 5/288:48 pmSAN - STT

2 stops34h 09mSpirit Airlines

Mon 6/210:52 amSTT - SAN

2 stops23h 21mSpirit Airlines

Deal found 4/28

$361

Wed 8/2710:17 pmSAN - STT

1 stop14h 41mAmerican Airlines

Tue 9/21:52 pmSTT - SAN

2 stops21h 36mAmerican Airlines

Deal found 4/28

$479

Tue 7/16:47 pmSAN - STT

2 stops14h 30mUnited Airlines

Thu 7/101:19 pmSTT - SAN

2 stops13h 25mUnited Airlines

Deal found 4/28

$538

Wed 7/29:55 pmSAN - STT

1 stop11h 19mDelta

Tue 7/151:27 pmSTT - SAN

1 stop9h 29mDelta

Deal found 4/28

$618

Best flights from San Diego to Saint Thomas Island
Discover carefully curated flight deals from San Diego to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 30, 2025.

Wed 5/288:48 pmSAN - STT

2 stops34h 09mSpirit Airlines

Mon 6/210:52 amSTT - SAN

2 stops23h 21mSpirit Airlines

Deal found 4/28

$361

Tue 7/17:15 pmSAN - STT

2 stops13h 59mDelta

Thu 7/101:27 pmSTT - SAN

1 stop10h 48mDelta

Deal found 4/28

$479

Tue 7/16:47 pmSAN - STT

2 stops14h 30mUnited Airlines

Thu 7/101:19 pmSTT - SAN

2 stops13h 25mUnited Airlines

Deal found 4/28

$538

Sat 7/191:23 pmSAN - STT

1 stop18h 22mAmerican Airlines

Sat 7/265:19 pmSTT - SAN

1 stop9h 50mAmerican Airlines

Deal found 4/29

$658

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

Mon 5/510:02 pmSAN - STT

1 stop11h 41mDelta

Tue 5/131:17 pmSTT - SAN

1 stop12h 03mDelta

Deal found 4/27

$639

Mon 5/51:25 pmSAN - STT

3 stops20h 36mUnited Airlines

Tue 5/134:45 pmSTT - SAN

2 stops19h 39mUnited Airlines

Deal found 4/27

$928

Mon 5/1211:58 amSAN - STT

1 stop19h 57mAmerican Airlines

Sun 2/154:35 pmSTT - SAN

1 stop9h 40mAmerican Airlines

Deal found 4/28

$694

Mon 5/127:25 pmSAN - STT

2 stops14h 36mUnited Airlines

Sun 2/151:05 pmSTT - SAN

2 stops14h 39mUnited Airlines

Deal found 4/28

$711

Wed 5/288:48 pmSAN - STT

2 stops34h 09mSpirit Airlines

Mon 6/210:52 amSTT - SAN

2 stops23h 21mSpirit Airlines

Deal found 4/28

$361

One-way flights from San Diego to Saint Thomas Island
Search for one-way flight options from San Diego to Saint Thomas Island. Find affordable one-way fares based on user searches. Data last updated April 30, 2025.

Thu 7/179:55 pmSAN - STT

1 stop11h 22mDelta

Deal found 4/29

$258

Thu 7/1710:43 amSAN - STT

3 stops18h 07mMultiple Airlines

Deal found 4/29

$647

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Wed 5/28

8:48 pm-9:57 am

2 stops34h 09m

Saint Thomas Island Cyril E King

Mon 6/2

10:52 am-7:13 am

2 stops23h 21m

$361

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Tue 7/1

9:55 pm-12:14 pm

1 stop11h 19m

Saint Thomas Island Cyril E King

Thu 7/10

1:27 pm-9:15 pm

1 stop10h 48m

$479

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Tue 7/1

6:47 pm-12:17 pm

2 stops14h 30m

Saint Thomas Island Cyril E King

Thu 7/10

1:19 pm-11:44 pm

2 stops13h 25m

$538

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Sat 7/19

7:30 pm-10:45 am

2 stops12h 15m

Saint Thomas Island Cyril E King

Sat 7/26

5:19 pm-12:09 am

1 stop9h 50m

$658

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Thu 7/17

9:55 pm-12:17 pm

1 stop11h 22m

$258

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Thu 7/17

10:43 am-7:50 am

3 stops18h 07m

$647

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Compare providers for flights from San Diego to Saint Thomas Island

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Saint Thomas Island in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
Flightnetwork	Price Accuracy-	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on San Diego-Saint Thomas Island flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on San Diego-Saint Thomas Island flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from San Diego-Saint Thomas Island flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on San Diego-Saint Thomas Island flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-Saint Thomas Island flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Diego to Saint Thomas Island

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from San Diego 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 San Diego to Saint Thomas Island

How far ahead should I book a flight from San Diego to Saint Thomas Island?

The best time to book flights from San Diego to Saint Thomas Island is 31 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, September is the cheapest month in which you can book a flight from San Diego to Saint Thomas Island (average of $432). Flying from San Diego 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 SAN to STT?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 49% on flights from San Diego to Saint Thomas Island by exploring options for tickets at noon.

Reviews of airlines servicing Saint Thomas Island

Read through reviews of airlines operating flights from San Diego to Saint Thomas Island, such as Delta, United Airlines and American Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,936 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

7,936 reviews

Delta

8.0

Very good

7,936 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

7,936 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

7,936 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

7,961 reviews

Delta

8.0

Very good

7,936 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 are the cheapest airlines flying from San Diego to Saint Thomas Island round-trip?
Our cheapest airline available from San Diego to Saint Thomas Island is Spirit Airlines. Our recent data shows that you can find tickets from as low as $361 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $479 and $538 round-trip. These flights start at 48% lower than the current average price 3 months from now.
Can I find deals for flights from San Diego to Saint Thomas Island that include hotel bookings?
Yes. In addition to deals on San Diego to Saint Thomas Island flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San Diego 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 San Diego to Saint Thomas Island.
Can I find deals for business class flights from San Diego to Saint Thomas Island?
Yes. Cheapflights offers flight deals from San Diego 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 San Diego to Saint Thomas Island?
Currently, September is the cheapest month in which you can book a flight from San Diego to Saint Thomas Island (average of $432). Flying from San Diego 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

Alternative routes for San Diego to Saint Thomas Island

Complete your trip

Saint Thomas Island car rentals

Saint Thomas Island Cyril E King Airport car rentals

Christiansted Henry Rohlsen Airport car rentals

Christiansted car rentals

Charlotte Amalie car rentals

East End car rentals

Southside car rentals

Water Island car rentals

Northside car rentals

Tutu car rentals

Other flights to Saint Thomas Island

Fort Lauderdale to Saint Thomas Island flights

Orlando to Saint Thomas Island flights

Newark to Saint Thomas Island flights

John F Kennedy Intl to Saint Thomas Island flights

Boston to Saint Thomas Island flights

Miami to Saint Thomas Island flights

Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport flights

Saint Thomas Island to Orlando Airport flights

Saint Thomas Island to Fort Lauderdale flights

Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport flights

Saint Thomas Island to Christiansted flights

Saint Thomas Island to Fort Lauderdale flights

Saint Thomas Island to Philadelphia flights

Saint Thomas Island to New York John F Kennedy Intl Airport flights

Saint Thomas Island to Orlando Airport flights

Saint Thomas Island to Christiansted flights

Saint Thomas Island to Newark Airport flights

Saint Thomas Island to New York John F Kennedy Intl Airport flights

Saint Thomas Island to Charlotte flights

Saint Thomas Island to Miami flights

Saint Thomas Island to Washington, D.C. Dulles Intl Airport flights

Saint Thomas Island to Newark Airport flights

Saint Thomas Island to Atlanta flights

Saint Thomas Island to Santo Domingo flights

Top 4 airlines flying from San Diego to Saint Thomas Island

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$224	Average$370	FlexibilityNo cancel fee	On-time65%
United Airlines	Cheapest$437	Average$890	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$461	Average$670	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$476	Average$783	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.

$258+ Cheap flights from San Diego (SAN) 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 7/17. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Diego 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 San Diego to Saint Thomas Island Cyril E King are usually found in September or January, booked 31 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from San Diego to Saint Thomas Island

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from San Diego to Saint Thomas Island

Cheapest flights from San Diego to Saint Thomas IslandExplore the most affordable flight options available from San Diego to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

Explore the most affordable flight options available from San Diego to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

Cheapflights Fare Finder

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

Compare providers for flights from San Diego to Saint Thomas Island

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Saint Thomas Island in April.

Best time to book a flight from San Diego to Saint Thomas Island

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from San Diego with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from San Diego to Saint Thomas Island

How far ahead should I book a flight from San Diego to Saint Thomas Island?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Saint Thomas Island. Price data was last updated on April 25, 2025.

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

What is the cheapest time of day to fly from SAN to STT?

Find hourly flight availability from San Diego 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 April 30, 2025.

Reviews of airlines servicing Saint Thomas Island

Related info for your journey

Find useful and relevant information for your journey from San Diego 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 are the cheapest airlines flying from San Diego to Saint Thomas Island round-trip?

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

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

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

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

Traveling to a place near San Diego?

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 San Diego to Saint Thomas Island

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from San Diego to Saint Thomas Island

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from San Diego to Saint Thomas Island
Explore the most affordable flight options available from San Diego to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.