HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Saint Thomas Island

$154+ 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — STT
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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.

Cheap 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 January 27, 2026.

This Delta deal was found by Cheapflights users on 1/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/310:20 pm
SAN
-
STT
1 stop12h 44m
Delta
Mon 3/163:00 pm
STT
-
SAN
1 stop11h 09m
Delta
Deal found 1/25$406
This Expedia deal was found by Cheapflights users on 1/25. 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.
Sun 3/19:10 pm
SAN
-
STT
2 stops13h 25m
JetBlue
Wed 3/112:30 pm
STT
-
SAN
2 stops22h 03m
JetBlue
Deal found 1/25$433
This Orbitz deal was found by Cheapflights users on 1/27. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/89:15 pm
SAN
-
STT
2 stops15h 07m
JetBlue
Wed 5/132:45 pm
STT
-
SAN
2 stops21h 30m
JetBlue
Deal found 1/27$442
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Wed 5/137:40 pm
SAN
-
STT
2 stops17h 03m
United Airlines
Wed 5/271:17 pm
STT
-
SAN
1 stop11h 36m
United Airlines
Deal found 1/27$467
This American Airlines deal was found by Cheapflights users on 1/27. 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.
Wed 4/297:20 pm
SAN
-
STT
2 stops14h 15m
American Airlines
Thu 5/711:27 am
STT
-
SAN
2 stops13h 14m
American Airlines
Deal found 1/27$477
This Delta deal was found by Cheapflights users on 1/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2810:20 pm
SAN
-
STT
1 stop12h 44m
Delta
Tue 3/1712:49 pm
STT
-
SAN
1 stop13h 20m
Delta
Deal found 1/25$485
This United Airlines deal was found by Cheapflights users on 1/25. 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.
Mon 3/25:55 pm
SAN
-
STT
2 stops16h 01m
United Airlines
Wed 3/43:05 pm
STT
-
SAN
1 stop11h 39m
United Airlines
Deal found 1/25$496
This American Airlines deal was found by Cheapflights users on 1/27. 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 5/191:03 pm
SAN
-
STT
1 stop18h 44m
American Airlines
Tue 6/211:47 am
STT
-
SAN
1 stop12h 59m
American Airlines
Deal found 1/27$513
This American Airlines deal was found by Cheapflights users on 1/25. 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.
Sun 3/17:42 pm
SAN
-
STT
2 stops12h 30m
American Airlines
Mon 3/165:25 pm
STT
-
SAN
2 stops18h 14m
American Airlines
Deal found 1/25$516
This United Airlines deal was found by Cheapflights users on 1/25. 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.
Sat 4/119:45 pm
SAN
-
STT
1 stop11h 35m
United Airlines
Fri 4/172:10 pm
STT
-
SAN
1 stop11h 49m
United Airlines
Deal found 1/25$544
This American Airlines deal was found by Cheapflights users on 1/25. 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.
Wed 7/2910:45 pm
SAN
-
STT
2 stops14h 05m
American Airlines
Mon 8/1011:45 am
STT
-
SAN
2 stops13h 10m
American Airlines
Deal found 1/25$548

Find 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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$406
(Delta)

One-way from

$154
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$598
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. 20% potential increase in price ($181 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 27, 2026.
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

Tue 2/17

10:20 pm-3:04 pm

1 stop12h 44m

Saint Thomas Island Cyril E King

Tue 2/24

3:10 pm-10:48 pm

1 stop11h 38m

$406

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Tue 2/17

7:35 pm-2:55 pm

2 stops15h 20m

Saint Thomas Island Cyril E King

Tue 2/24

3:55 pm-9:25 am

2 stops21h 30m

$406

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Mon 3/2

10:00 pm-1:22 pm

1 stop11h 22m

Saint Thomas Island Cyril E King

Thu 3/12

1:55 pm-11:09 pm

1 stop12h 14m

$406

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Mon 2/23

10:20 pm-12:40 pm

1 stop10h 20m

Saint Thomas Island Cyril E King

Thu 2/26

1:50 pm-8:37 pm

1 stop10h 47m

$406

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Fri 2/27

10:00 pm-1:22 pm

1 stop11h 22m

Saint Thomas Island Cyril E King

Mon 3/16

3:00 pm-11:09 pm

1 stop11h 09m

$406

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Tue 3/3

10:20 pm-12:40 pm

1 stop10h 20m

Saint Thomas Island Cyril E King

Wed 3/18

1:55 pm-11:09 pm

1 stop12h 14m

$406

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Sun 3/1

10:00 pm-1:22 pm

1 stop11h 22m

Saint Thomas Island Cyril E King

Tue 3/17

12:49 pm-8:45 pm

1 stop10h 56m

$406

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Mon 3/2

7:01 pm-3:04 pm

2 stops16h 03m

Saint Thomas Island Cyril E King

Mon 3/16

3:00 pm-11:09 pm

1 stop11h 09m

$406

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Mon 3/2

10:20 pm-12:40 pm

1 stop10h 20m

Saint Thomas Island Cyril E King

Tue 3/17

12:49 pm-11:09 pm

1 stop13h 20m

$406

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Sun 3/1

10:20 pm-3:04 pm

1 stop12h 44m

Saint Thomas Island Cyril E King

Wed 3/11

3:00 pm-11:09 pm

1 stop11h 09m

$406

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 20 results
1
2

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Saint Thomas Island flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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?

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 January 23, 2026.

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, March is the cheapest month in which you can book a flight from San Diego to Saint Thomas Island (average of $256). Flying from San Diego to Saint Thomas Island in December is currently the most expensive (average of $830). 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.

How much does it cost to fly round-trip from San Diego to Saint Thomas Island?

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 January 27, 2026.
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.
Delta
7.9
Good
8,119 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Comfort

7.9

Overall

7.9

Entertainment

7.8

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
7.9
Good
8,119 reviews
Delta
7.9
Good
8,119 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Comfort

7.9

Overall

7.9

Entertainment

7.8

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
9,205 reviews
Delta
7.9
Good
8,119 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Comfort

7.9

Overall

7.9

Entertainment

7.8

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
11,197 reviews
Delta
7.9
Good
8,119 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Comfort

7.9

Overall

7.9

Entertainment

7.8

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
8,384 reviews
Delta
7.9
Good
8,119 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Comfort

7.9

Overall

7.9

Entertainment

7.8

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 $406, Delta can have you in Saint Thomas Island from San Diego in 12h 44m. Airlines will cover a distance of 3367 mi.

  • 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 $213 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $340 and $405 round-trip. These flights start at 69% 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, March is the cheapest month in which you can book a flight from San Diego to Saint Thomas Island (average of $256). Flying from San Diego to Saint Thomas Island in December is currently the most expensive (average of $830). 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

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.
Los Angeles to Saint Thomas Island flights
San Francisco to Saint Thomas Island flights
Las Vegas to Saint Thomas Island flights
San Francisco to Christiansted flights
Ontario to Saint Thomas Island flights
Burbank to Saint Thomas Island flights
Sacramento to Saint Thomas Island flights
Los Angeles to Christiansted flights
Reno to Saint Thomas Island flights
Sacramento to Christiansted flights
San Diego to Christiansted flights
Oakland to Saint Thomas Island flights
Ontario to Christiansted flights
San Jose to Saint Thomas Island flights
Santa Ana to Saint Thomas Island flights
San Jose to Christiansted flights
Long Beach to Saint Thomas Island flights
Palm Springs to Christiansted flights
Oakland to Christiansted flights
Long Beach to Christiansted flights
Santa Rosa to Saint Thomas Island flights
Yuma to Christiansted flights

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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$213Average$410FlexibilityNo cancel feeOn-time65%
DeltaCheapest$340Average$783FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$405Average$509FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$434Average$716FlexibilityNo cancel feeOn-time71%

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.