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 $292 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $479 and $569 round-trip. These flights start at 58% 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 $701. You can even find prices in September for less than $701, 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 90%.

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.

$238+ Flights from San Diego 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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3. Compare prices and book

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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	$292 (Booking.com)
One-way from	$238 (American Airlines)
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 ($105 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 9% potential price decrease ($58 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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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 16, 2025.

Thu 5/86:58 pmSAN - STT

2 stops11h 59mSpirit Airlines

Tue 5/1310:52 amSTT - SAN

2 stops23h 21mSpirit Airlines

Deal found 4/15

$292

Wed 8/2711:00 pmSAN - STT

2 stops12h 50mAmerican Airlines

Tue 9/25:25 pmSTT - SAN

2 stops17h 44mAmerican Airlines

Deal found 4/16

$479

Thu 7/317:27 pmSAN - STT

2 stops17h 16mUnited Airlines

Thu 8/71:19 pmSTT - SAN

2 stops13h 25mUnited Airlines

Deal found 4/15

$569

Sun 8/310:10 pmSAN - STT

1 stop11h 02mDelta

Fri 8/83:00 pmSTT - SAN

1 stop9h 18mDelta

Deal found 4/15

$692

Sat 4/199:08 pmSAN - STT

2 stops33h 52mMultiple Airlines

Mon 4/215:45 pmSTT - SAN

3 stops29h 09mMultiple Airlines

Deal found 4/16

$928

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 16, 2025.

Thu 5/86:58 pmSAN - STT

2 stops11h 59mSpirit Airlines

Tue 5/1310:52 amSTT - SAN

2 stops23h 21mSpirit Airlines

Deal found 4/15

$292

Wed 8/2711:00 pmSAN - STT

2 stops12h 50mAmerican Airlines

Tue 9/25:25 pmSTT - SAN

2 stops17h 44mAmerican Airlines

Deal found 4/16

$479

Thu 7/317:27 pmSAN - STT

2 stops17h 16mUnited Airlines

Thu 8/71:19 pmSTT - SAN

1 stop9h 42mUnited Airlines

Deal found 4/15

$569

Sun 8/310:10 pmSAN - STT

1 stop11h 02mDelta

Fri 8/83:00 pmSTT - SAN

1 stop9h 18mDelta

Deal found 4/15

$692

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 16, 2025 and is based on user searches.

Sat 4/199:08 pmSAN - STT

2 stops33h 52mMultiple Airlines

Mon 4/215:45 pmSTT - SAN

3 stops29h 09mMultiple Airlines

Deal found 4/16

$928

Sat 4/2610:00 pmSAN - STT

1 stop16h 00mUnited Airlines

Wed 5/74:45 pmSTT - SAN

1 stop30h 52mUnited Airlines

Deal found 4/15

$1,258

Sun 5/49:30 pmSAN - STT

1 stop12h 31mUnited Airlines

Sun 5/119:10 amSTT - SAN

2 stops14h 45mUnited Airlines

Deal found 4/15

$1,147

Thu 5/86:58 pmSAN - STT

2 stops11h 59mSpirit Airlines

Tue 5/1310:52 amSTT - SAN

2 stops23h 21mSpirit Airlines

Deal found 4/15

$292

Thu 5/83:17 pmSAN - STT

2 stops17h 50mDelta

Tue 5/131:17 pmSTT - SAN

1 stop12h 03mDelta

Deal found 4/15

$479

Thu 5/810:49 pmSAN - STT

1 stop9h 06mAmerican Airlines

Tue 5/133:19 pmSTT - SAN

1 stop20h 49mAmerican Airlines

Deal found 4/15

$524

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 16, 2025.

Sat 10/117:55 pmSAN - STT

2 stops13h 43mAmerican Airlines

Deal found 4/15

$238

Tue 6/179:30 pmSAN - STT

1 stop11h 47mUnited Airlines

Deal found 4/14

$528

Sat 10/1112:01 pmSAN - STT

3 stops26h 19mMultiple Airlines

Deal found 4/15

$535

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

Thu 5/8

6:58 pm-9:57 am

2 stops11h 59m

Saint Thomas Island Cyril E King

Tue 5/13

10:52 am-7:13 am

2 stops23h 21m

$292

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Wed 8/27

11:00 pm-2:50 pm

2 stops12h 50m

Saint Thomas Island Cyril E King

Tue 9/2

5:25 pm-8:09 am

2 stops17h 44m

$479

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Thu 7/31

7:27 pm-3:43 pm

2 stops17h 16m

Saint Thomas Island Cyril E King

Thu 8/7

1:19 pm-8:01 pm

1 stop9h 42m

$569

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Sun 8/3

10:10 pm-12:12 pm

1 stop11h 02m

Saint Thomas Island Cyril E King

Fri 8/8

3:00 pm-9:18 pm

1 stop9h 18m

$692

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Sat 10/11

7:55 pm-12:38 pm

2 stops13h 43m

$238

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Tue 6/17

9:30 pm-12:17 pm

1 stop11h 47m

$528

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Sat 10/11

12:01 pm-5:20 pm

3 stops26h 19m

$535

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

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 $433). Flying from San Diego 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 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

Delta

8.0

Very good

7,916 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

7,916 reviews

Delta

8.0

Very good

7,916 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

8,665 reviews

Delta

8.0

Very good

7,916 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

7,916 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

7,923 reviews

Delta

8.0

Very good

7,916 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 $292 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $479 and $569 round-trip. These flights start at 58% 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 $433). Flying from San Diego 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

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Alternative routes for San Diego to Saint Thomas Island

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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$781	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$461	Average$690	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$476	Average$781	FlexibilityNo cancel fee	On-timeN/A

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$238+ 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 10/11. 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 16, 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 16, 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 11, 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 16, 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?

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Top 4 airlines flying from San Diego to Saint Thomas Island

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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 16, 2025.