What are the cheapest airlines flying 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. Other airlines that can offer you cheap pricing are American Airlines, from $657, and United Airlines, from $779.

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 $147. American Airlines flights start at $272 while deals on Delta start at $472 one-way.

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.

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

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

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.

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).

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

When flying from Saint Thomas Island to San Diego, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

$147+ Flights from Saint Thomas Island to San Diego

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Cheap flight deals from Saint Thomas Island to San Diego

Round-trip from	$539 (Delta)
One-way from	$147 (FlightHub)

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 July 3, 2025.

Thu 7/101:25 pmSTT - SAN

2 stops23h 30mSpirit Airlines

Sun 7/209:40 pmSAN - STT

2 stops14h 30mSpirit Airlines

Deal found 7/1

$445

Wed 9/242:43 pmSTT - SAN

2 stops12h 02mDelta

Tue 9/3010:30 pmSAN - STT

1 stop12h 03mDelta

Deal found 7/3

$539

Wed 9/241:40 pmSTT - SAN

1 stop11h 18mAmerican Airlines

Tue 9/3010:45 pmSAN - STT

1 stop11h 03mAmerican Airlines

Deal found 7/2

$657

Sat 12/203:35 pmSTT - SAN

2 stops21h 42mUnited Airlines

Sat 1/36:30 pmSAN - STT

2 stops13h 30mUnited Airlines

Deal found 7/3

$779

Best flights from Saint Thomas Island to San Diego
Discover carefully curated flight deals from Saint Thomas Island to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Wed 9/242:43 pmSTT - SAN

2 stops12h 02mDelta

Tue 9/303:35 pmSAN - STT

2 stops18h 58mDelta

Deal found 7/3

$539

Wed 9/241:40 pmSTT - SAN

1 stop11h 18mAmerican Airlines

Tue 9/3010:45 pmSAN - STT

1 stop11h 03mAmerican Airlines

Deal found 7/2

$657

Sat 12/203:35 pmSTT - SAN

2 stops21h 42mUnited Airlines

Sat 1/36:30 pmSAN - STT

2 stops13h 30mUnited Airlines

Deal found 7/3

$779

Last-minute flights from Saint Thomas Island to San Diego
Discover last-minute flight deals from Saint Thomas Island to San Diego. Data last updated July 3, 2025 and is based on user searches.

Thu 7/101:25 pmSTT - SAN

2 stops23h 30mSpirit Airlines

Sun 7/209:40 pmSAN - STT

2 stops14h 30mSpirit Airlines

Deal found 7/1

$445

Thu 7/103:02 pmSTT - SAN

1 stop11h 19mDelta

Sat 7/1910:30 pmSAN - STT

1 stop13h 30mDelta

Deal found 7/2

$699

Thu 7/101:19 pmSTT - SAN

2 stops11h 55mUnited Airlines

Sat 7/196:47 pmSAN - STT

2 stops14h 30mUnited Airlines

Deal found 7/2

$1,041

Thu 7/103:02 pmSTT - SAN

1 stop11h 19mDelta

Mon 7/219:55 pmSAN - STT

1 stop11h 22mDelta

Deal found 7/2

$699

One-way flights from Saint Thomas Island to San Diego
Search for one-way flight options from Saint Thomas Island to San Diego. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Thu 8/212:43 pmSTT - SAN

2 stops11h 54mSpirit Airlines

Deal found 7/2

$147

Fri 9/261:40 pmSTT - SAN

1 stop11h 18mAmerican Airlines

Deal found 7/2

$272

Sun 10/192:42 pmSTT - SAN

1 stop9h 53mDelta

Deal found 7/3

$472

Sun 10/192:10 pmSTT - SAN

3 stops28h 40mUnited Airlines

Deal found 7/1

$542

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Saint Thomas IslandSan Diego

STT - SAN

STTSAN

Saint Thomas Island Cyril E King

Wed 9/24

2:43 pm-11:45 pm

2 stops12h 02m

San Diego

Tue 9/30

10:30 pm-1:33 pm

1 stop12h 03m

$539

Saint Thomas IslandSan Diego

STT - SAN

STTSAN

Saint Thomas Island Cyril E King

Wed 9/24

1:40 pm-9:58 pm

1 stop11h 18m

San Diego

Tue 9/30

10:45 pm-12:48 pm

1 stop11h 03m

$657

Saint Thomas IslandSan Diego

STT - SAN

STTSAN

Saint Thomas Island Cyril E King

Sat 12/20

3:35 pm-9:17 am

2 stops21h 42m

San Diego

Sat 1/3

6:30 pm-12:00 pm

2 stops13h 30m

$779

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

$147

Saint Thomas IslandSan Diego

STT - SAN

STTSAN

Saint Thomas Island Cyril E King

Fri 9/26

1:40 pm-9:58 pm

1 stop11h 18m

$272

Saint Thomas IslandSan Diego

STT - SAN

STTSAN

Saint Thomas Island Cyril E King

Sun 10/19

2:42 pm-9:35 pm

1 stop9h 53m

$472

Saint Thomas IslandSan Diego

STT - SAN

STTSAN

Saint Thomas Island Cyril E King

Sun 10/19

2:10 pm-3:50 pm

3 stops28h 40m

$542

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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.

Reviews of airlines servicing San Diego

Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Saint Thomas Island to San Diego. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,982 reviews

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

7,982 reviews

Delta

8.0

Very good

7,982 reviews

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

8,861 reviews

Delta

8.0

Very good

7,982 reviews

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

7,982 reviews

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

8,086 reviews

Delta

8.0

Very good

7,982 reviews

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

What are the cheapest airlines flying 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. Other airlines that can offer you cheap pricing are American Airlines, from $657, and United Airlines, from $779.
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 $147. American Airlines flights start at $272 while deals on Delta start at $472 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

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Poway

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Santee

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Other flights to San Diego

Top airline flying from Saint Thomas Island to San Diego

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$546	Average$613	FlexibilityNo cancel fee	On-time71%

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$147+ 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.

Find cheap flights from Saint Thomas Island to San Diego with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Saint Thomas Island to San Diego

Round-trip from

One-way from

Find flight deals from Saint Thomas Island to San Diego

Cheapest flights from Saint Thomas Island to San DiegoExplore 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 July 3, 2025.

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 July 3, 2025.

Cheapflights Fare Finder

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

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.

Reviews of airlines servicing San Diego

Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Saint Thomas Island to San Diego. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

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

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

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

How can I 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?

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

Traveling to a place near Saint Thomas Island?

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 Saint Thomas Island to San Diego

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

Top airline flying from Saint Thomas Island to San Diego

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Travel Smart

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 July 3, 2025.