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$154+ Cheap flights from Saint Thomas Island (STT) to San Diego (SAN)

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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
STT — SAN
Jun 19 — Jun 261
Thu 6/19
Thu 6/26
1 adult, Economy
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Cheap flight deals from Saint Thomas Island to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Saint Thomas Island (STT) to San Diego (SAN). 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 June 14, 2025.

Round-trip from

$539
(Delta)

One-way from

$154
(Booking.com)
From Saint Thomas Island Cyril E King to San Diego
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One-way flight from Saint Thomas Island Cyril E King to San Diego
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Find flight deals from Saint Thomas Island to San Diego

Cheapest flights from Saint Thomas Island to San Diego
Explore the most affordable flight options available from Saint Thomas Island to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 14, 2025.

This Delta deal was found by Cheapflights users on 6/13. 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.
Wed 9/242:49 pmSTT - SAN
1 stop9h 46mDelta
Tue 9/309:40 pmSAN - STT
1 stop12h 59mDelta
Deal found 6/13$539
This United Airlines deal was found by Cheapflights users on 6/13. 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 12/202:15 pmSTT - SAN
2 stops23h 40mUnited Airlines
Sat 1/35:00 pmSAN - STT
3 stops19h 33mUnited Airlines
Deal found 6/13$1,282

Cheapflights Fare Finder

Customize your flight search to find flights from Saint Thomas Island to San Diego 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 June 14, 2025.
Use the filters below to find and compare flights from Saint Thomas Island to San Diego that are best for you.

Fly from

Saint Thomas Island

Fly to

San Diego

Route

Depart

Return

Price

Saint Thomas IslandSan Diego

STT - SAN

STTSAN

Saint Thomas Island Cyril E King

Wed 9/24

2:49 pm-10:59 pm

1 stop11h 10m

San Diego

Tue 9/30

7:12 pm-1:39 pm

2 stops15h 27m

$539

Saint Thomas IslandSan Diego

STT - SAN

STTSAN

Saint Thomas Island Cyril E King

Thu 8/21

2:43 pm-11:37 pm

2 stops11h 54m

$154

Saint Thomas IslandSan Diego

STT - SAN

STTSAN

Saint Thomas Island Cyril E King

Sat 10/11

12:40 pm-12:15 am

2 stops14h 35m

$272

Saint Thomas IslandSan Diego

STT - SAN

STTSAN

Saint Thomas Island Cyril E King

Sun 10/19

5:15 pm-8:34 am

2 stops18h 19m

$277

Saint Thomas IslandSan Diego

STT - SAN

STTSAN

Saint Thomas Island Cyril E King

Thu 8/21

3:23 pm-11:21 pm

1 stop10h 58m

$317

Saint Thomas IslandSan Diego

STT - SAN

STTSAN

Saint Thomas Island Cyril E King

Thu 10/16

10:25 am-11:41 pm

3 stops16h 16m

$390

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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

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

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. 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 San Diego. Reviews last updated June 14, 2025.
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,793 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Spirit Airlines
6.3
Okay
8,058 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Saint Thomas Island to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Cheapflights users have booked flights from Saint Thomas Island to San Diego round-trip from $539.

  • What are the cheapest airlines to fly from Saint Thomas Island to San Diego one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $154. United Airlines flights start at $272 while deals on American Airlines start at $277 one-way.

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Saint Thomas Island to San Diego.

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

    Yes. Cheapflights offers flight deals from Saint Thomas Island to San Diego 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 Saint Thomas Island to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Saint Thomas Island to San Diego (average of $286). Flying from Saint Thomas Island to San Diego in March is currently the most expensive (average of $366). 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
El Cajon
Chula Vista
National City
Imperial Beach
La Mesa
Alpine
Lemon Grove
Poway
Santee
Coronado

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Saint Thomas Island to San Diego

Discover the top airline that operate flights from Saint Thomas Island to San Diego. 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 June 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$546Average$613FlexibilityNo cancel feeOn-time71%

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