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Saint Thomas Island

$390+ Cheap flights from San Francisco (SFO) 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — STT
avr. 20 — avr. 271
dim. 4/20
dim. 4/27
1 adult, Economy
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Cheapflights Tip: The best prices from San Francisco to Saint Thomas Island Cyril E King are usually found in September or January, booked 42 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap flight deals from San Francisco to Saint Thomas Island

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) 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 avril 15, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$559
(Mytrip)

One-way from

$390
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$882
Provider with most accurate pricing for San Francisco-Saint Thomas Island Cyril E King flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Saint Thomas Island Cyril E King flights.
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From San Francisco to Saint Thomas Island Cyril E King
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One-way flight from San Francisco to Saint Thomas Island Cyril E King
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Highest demand for flights based on searches. 6% potential increase in price ($58 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($36 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 Francisco to Saint Thomas Island

Cheapest flights from San Francisco to Saint Thomas Island
Explore the most affordable flight options available from San Francisco to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on avril 15, 2025.

This Mytrip deal was found by Cheapflights users on 4/15. 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.
ven. 6/611:59 pmSFO - STT
3 stops30h 58mMultiple Airlines
lun. 6/92:41 pmSTT - SFO
2 stops23h 27mMultiple Airlines
Deal found 4/15$559
This American Airlines deal was found by Cheapflights users on 4/14. 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.
lun. 6/2311:50 pmSFO - STT
1 stop13h 10mAmerican Airlines
mar. 7/11:44 pmSTT - SFO
1 stop11h 54mAmerican Airlines
Deal found 4/14$609
This United Airlines deal was found by Cheapflights users on 4/14. 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.
ven. 7/188:45 pmSFO - STT
2 stops12h 34mUnited Airlines
mar. 7/224:45 pmSTT - SFO
1 stop11h 12mUnited Airlines
Deal found 4/14$648
This Delta deal was found by Cheapflights users on 4/14. 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.
ven. 7/118:05 pmSFO - STT
2 stops13h 07mDelta
jeu. 7/171:21 pmSTT - SFO
1 stop12h 20mDelta
Deal found 4/14$725

Cheapflights Fare Finder

Customize your flight search to find flights from San Francisco 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 avril 15, 2025.
Use the filters below to find and compare flights from San Francisco to Saint Thomas Island that are best for you.

Fly from

San Francisco

Fly to

Saint Thomas Island

Route

Depart

Return

Price

San FranciscoSaint Thomas Island

SFO - STT

SFOSTT

San Francisco

ven. 6/6

11:59 pm-9:57 am

3 stops30h 58m

Saint Thomas Island Cyril E King

lun. 6/9

2:41 pm-11:08 am

2 stops23h 27m

$559

San FranciscoSaint Thomas Island

SFO - STT

SFOSTT

San Francisco

lun. 6/23

11:50 pm-4:00 pm

1 stop13h 10m

Saint Thomas Island Cyril E King

mar. 7/1

1:44 pm-10:38 pm

1 stop11h 54m

$609

San FranciscoSaint Thomas Island

SFO - STT

SFOSTT

San Francisco

ven. 7/11

8:05 pm-12:12 pm

2 stops13h 07m

Saint Thomas Island Cyril E King

jeu. 7/17

1:21 pm-10:41 pm

1 stop12h 20m

$725

San FranciscoSaint Thomas Island

SFO - STT

SFOSTT

San Francisco

lun. 6/23

4:25 pm-3:43 pm

2 stops20h 18m

Saint Thomas Island Cyril E King

ven. 6/27

4:45 pm-12:57 am

1 stop11h 12m

$761

San FranciscoSaint Thomas Island

SFO - STT

SFOSTT

San Francisco

lun. 4/21

10:28 pm-12:14 pm

1 stop10h 46m

$390

San FranciscoSaint Thomas Island

SFO - STT

SFOSTT

San Francisco

lun. 4/28

12:21 am-4:59 pm

2 stops13h 38m

$433

San FranciscoSaint Thomas Island

SFO - STT

SFOSTT

San Francisco

jeu. 4/24

7:05 pm-1:01 pm

2 stops14h 56m

$478

San FranciscoSaint Thomas Island

SFO - STT

SFOSTT

San Francisco

ven. 4/18

9:00 pm-10:57 am

1 stop10h 57m

$508

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Compare providers for flights from San Francisco 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 Francisco to Saint Thomas Island in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust 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 Francisco-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 Francisco-Saint Thomas Island flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from San Francisco-Saint Thomas Island flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-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 Francisco-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 Francisco to Saint Thomas Island

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

How far ahead should I book a flight from San Francisco to Saint Thomas Island?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Saint Thomas Island. Price data was last updated on April 11, 2025.

Booking 42 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to Saint Thomas Island. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, September is the cheapest month in which you can book a flight from San Francisco to Saint Thomas Island (average of $433). Flying from San Francisco 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 SFO to STT?

Find hourly flight availability from San Francisco 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 avril 15, 2025.

When flying from San Francisco to Saint Thomas Island, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 26% versus a flight 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 avril 15, 2025.
Read through reviews of airlines operating flights from San Francisco to Saint Thomas Island, such as Delta, United Airlines and American Airlines. 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
7,918 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

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.
Delta
8.0
Very good
7,918 reviews
Delta
8.0
Very good
7,918 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

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.
United Airlines
7.4
Good
8,658 reviews
Delta
8.0
Very good
7,918 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

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.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,918 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

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 Francisco 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 Francisco to Saint Thomas Island round-trip?

    Currently priced at $609, American Airlines will fly you from San Francisco to Saint Thomas Island and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Delta - these airlines can fly you to your destination from $648 and $725, respectively. You may be able to fly from San Francisco to Saint Thomas Island for 24% less than the average price by searching for these airlines.

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

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

  • How can I find direct flights from San Francisco 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 Francisco to Saint Thomas Island.

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

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

    Currently, September is the cheapest month in which you can book a flight from San Francisco to Saint Thomas Island (average of $433). Flying from San Francisco 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

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
St. John

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Top 3 airlines flying from San Francisco to Saint Thomas Island

Discover the top 3 airlines that operate flights from San Francisco 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 avril 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$577Average$831FlexibilityNo cancel feeOn-time71%
DeltaCheapest$603Average$897FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$644Average$879FlexibilityNo cancel feeOn-time69%

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