Saint Thomas Island

$228+ 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.
SAN — STT
Oct 11 — Oct 181
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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

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Saint Thomas Island (STT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$332
(Mytrip)

One-way from

$228
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$539
From San Diego to Saint Thomas Island Cyril E King
One-way flight from San Diego to Saint Thomas Island Cyril E King
Highest demand for flights based on searches. 12% potential increase in price ($97 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($36 potential savings vs. average RT price).
Average for round-trip flights in September 2025

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 September 11, 2025.

This Mytrip deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/261:35 pmSAN - STT
2 stops17h 09mSpirit Airlines
Tue 9/3010:49 amSTT - SAN
2 stops23h 40mSpirit Airlines
Deal found 9/11$332
This Mytrip deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/256:15 amSAN - STT
3 stops24h 29mSpirit Airlines
Mon 9/2910:49 amSTT - SAN
3 stops28h 42mSpirit Airlines
Deal found 9/10$439
This Expedia deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/289:05 pmSAN - STT
2 stops13h 30mJetBlue
Sun 11/23:17 pmSTT - SAN
2 stops23h 22mJetBlue
Deal found 9/11$533
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2810:35 pmSAN - STT
1 stop14h 52mAmerican Airlines
Sat 12/62:49 pmSTT - SAN
1 stop12h 11mAmerican Airlines
Deal found 9/10$539
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/139:54 pmSAN - STT
2 stops15h 03mAmerican Airlines
Sun 11/166:17 pmSTT - SAN
2 stops18h 30mAmerican Airlines
Deal found 9/10$594
This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2812:30 pmSAN - STT
1 stop21h 19mAmerican Airlines
Sun 11/24:17 pmSTT - SAN
1 stop10h 50mAmerican Airlines
Deal found 9/11$664
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/410:35 pmSAN - STT
1 stop14h 22mAmerican Airlines
Sun 11/96:17 pmSTT - SAN
1 stop21h 10mAmerican Airlines
Deal found 9/10$666
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/281:47 pmSAN - STT
3 stops19h 25mUnited Airlines
Sun 11/23:35 pmSTT - SAN
2 stops12h 09mUnited Airlines
Deal found 9/11$676

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to Saint Thomas Island that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from San Diego to Saint Thomas Island that are best for you.

Fly from

San Diego

Fly to

Saint Thomas Island

Route

Depart

Return

Price

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Fri 9/26

1:35 pm-9:44 am

2 stops17h 09m

Saint Thomas Island Cyril E King

Tue 9/30

10:49 am-7:29 am

2 stops23h 40m

$332

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Tue 10/28

9:05 pm-1:35 pm

2 stops13h 30m

Saint Thomas Island Cyril E King

Sun 11/2

3:17 pm-10:39 am

2 stops23h 22m

$533

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Tue 11/4

10:35 pm-4:57 pm

1 stop14h 22m

Saint Thomas Island Cyril E King

Sun 11/9

6:17 pm-8:47 am

2 stops18h 30m

$539

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Tue 2/10

2:45 pm-1:45 pm

2 stops19h 00m

Saint Thomas Island Cyril E King

Wed 2/18

2:00 pm-11:11 pm

1 stop13h 11m

$539

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Tue 10/28

5:55 pm-12:12 pm

2 stops15h 17m

Saint Thomas Island Cyril E King

Sun 11/2

3:35 pm-9:53 pm

1 stop10h 18m

$539

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Fri 11/28

1:44 pm-11:43 am

1 stop17h 59m

Saint Thomas Island Cyril E King

Sat 12/6

2:49 pm-11:00 pm

1 stop12h 11m

$539

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Tue 2/10

4:00 pm-12:00 pm

2 stops16h 00m

Saint Thomas Island Cyril E King

Wed 2/18

3:05 pm-11:44 pm

2 stops12h 39m

$567

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Fri 1/9

5:40 pm-1:45 pm

2 stops16h 05m

Saint Thomas Island Cyril E King

Mon 1/19

4:00 pm-11:11 pm

1 stop11h 11m

$598

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Sat 10/11

2:24 pm-9:56 am

3 stops40h 32m

$228

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Mon 2/23

10:30 pm-5:25 pm

1 stop14h 55m

$268

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 11 results
1
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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?

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 August 29, 2025.

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 $645). 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?

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 September 11, 2025.

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

Get insights into the airlines that provide service to Saint Thomas Island. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Saint Thomas Island. Reviews last updated September 11, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from San Diego to Saint Thomas Island have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

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.
8.0
Very good
8.0
Very good

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

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.
8.0
Very good

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

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.
8.0
Very good

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

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.
8.0
Very good

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

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

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.
  • How long is the flight from San Diego to Saint Thomas Island?

    For as low as $539, Spirit Airlines can have you in Saint Thomas Island from San Diego in 14h 22m. Airlines will cover a distance of 3367 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $224 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $380 and $437 round-trip. These flights start at 68% 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 $645). 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

Traveling to a place near Saint Thomas Island?

Book flights to Saint Thomas Island if you plan to visit one of these locations
St. John

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Top 4 airlines flying from San Diego to Saint Thomas Island

Discover the top 4 airlines that operate flights from San Diego to Saint Thomas Island. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$224Average$379FlexibilityNo cancel feeOn-time65%
DeltaCheapest$380Average$783FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$437Average$761FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$479Average$715FlexibilityNo cancel feeOn-time71%

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