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

American Airlines, at $609, was found to be the cheapest airline from Saint Thomas Island to San Francisco. An alternate airline flying to your destination would be United Airlines. You may be able to fly from Saint Thomas Island to San Francisco for 16% less than the average price by searching for these airlines.

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

For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $381. Users have also found prices from $392 and $455 on American Airlines and Delta, respectively.

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

Currently, January is the cheapest month in which you can book a flight from Saint Thomas Island to San Francisco (average of $276). Flying from Saint Thomas Island to San Francisco in June is currently the most expensive (average of $360). 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 Francisco?

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

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

What is the cheapest day to fly round-trip from Saint Thomas Island to San Francisco?

Departing on a Wednesday is a good option for securing a great price. You can expect to save up to 18% when planning your travel around this day of the week.

What is the cheapest month to fly from Saint Thomas Island to San Francisco?

Our data shows that February tends to be the cheapest month to fly to San Francisco from Saint Thomas Island. Users have commonly found prices around $728 for the month, but tickets can be as low as $350. Due to multiple factors, prepare for potentially higher prices in July.

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

A simple way to save on the total cost of your ticket is to fly from Saint Thomas Island to San Francisco in the morning. If you’re flexible enough to do this you can expect to save up to 10% on your trip compared to booking a flight at noon.

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

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 Francisco.

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

Yes. Cheapflights offers flight deals from Saint Thomas Island to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$269+ Flights from Saint Thomas Island to San Francisco

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Cheap flight deals from Saint Thomas Island to San Francisco

Round-trip from	$609 (American Airlines)
One-way from	$269 (Trip.com)
Popular in	July
Cheapest in	February
Average price	$947

From Saint Thomas Island Cyril E King to San Francisco

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One-way flight from Saint Thomas Island Cyril E King to San Francisco

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Highest demand for flights based on searches. 8% potential increase in price ($69 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Saint Thomas Island to San Francisco

Cheapest flights from Saint Thomas Island to San Francisco
Explore the most affordable flight options available from Saint Thomas Island to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.

vie. 8/2911:46 amSTT - SFO

1 stop13h 59mAmerican Airlines

lun. 9/111:59 pmSFO - STT

1 stop9h 51mAmerican Airlines

Deal found 7/3

$609

mar. 11/251:02 pmSTT - SFO

1 stop12h 03mUnited Airlines

vie. 11/2812:43 amSFO - STT

1 stop9h 47mUnited Airlines

Deal found 7/3

$804

vie. 7/1112:26 pmSTT - SFO

3 stops27h 54mMultiple Airlines

dom. 7/1311:59 pmSFO - STT

3 stops33h 31mMultiple Airlines

Deal found 7/1

$823

vie. 7/114:10 pmSTT - SFO

1 stop12h 25mDelta

dom. 7/1311:59 pmSFO - STT

1 stop10h 53mDelta

Deal found 7/2

$1,079

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

vie. 8/2911:46 amSTT - SFO

1 stop13h 59mAmerican Airlines

lun. 9/111:59 pmSFO - STT

1 stop9h 51mAmerican Airlines

Deal found 7/2

$609

mar. 11/251:02 pmSTT - SFO

1 stop12h 03mUnited Airlines

vie. 11/2812:43 amSFO - STT

1 stop9h 47mUnited Airlines

Deal found 7/2

$804

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

vie. 7/1112:26 pmSTT - SFO

3 stops27h 54mMultiple Airlines

dom. 7/1311:59 pmSFO - STT

3 stops33h 31mMultiple Airlines

Deal found 7/1

$823

vie. 7/1111:34 amSTT - SFO

2 stops14h 13mAmerican Airlines

dom. 7/136:45 pmSFO - STT

2 stops13h 00mAmerican Airlines

Deal found 7/2

$975

vie. 7/114:10 pmSTT - SFO

1 stop12h 25mDelta

dom. 7/1311:59 pmSFO - STT

1 stop10h 53mDelta

Deal found 7/2

$1,079

vie. 7/114:45 pmSTT - SFO

2 stops17h 56mUnited Airlines

dom. 7/138:45 pmSFO - STT

3 stops36h 32mUnited Airlines

Deal found 7/3

$1,098

vie. 8/2911:46 amSTT - SFO

1 stop13h 59mAmerican Airlines

lun. 9/111:59 pmSFO - STT

1 stop9h 51mAmerican Airlines

Deal found 7/2

$609

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

mié. 8/132:43 pmSTT - SFO

1 stop22h 42mMultiple Airlines

Deal found 7/1

$269

dom. 8/171:19 pmSTT - SFO

2 stops21h 39mUnited Airlines

Deal found 7/3

$381

dom. 8/171:50 pmSTT - SFO

1 stop12h 09mAmerican Airlines

Deal found 7/3

$392

jue. 7/314:10 pmSTT - SFO

1 stop12h 25mDelta

Deal found 7/1

$455

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Saint Thomas IslandSan Francisco

STT - SFO

STTSFO

Saint Thomas Island Cyril E King

vie. 8/29

11:46 am-10:45 pm

1 stop13h 59m

San Francisco

lun. 9/1

11:59 pm-12:50 pm

1 stop9h 51m

$609

Saint Thomas IslandSan Francisco

STT - SFO

STTSFO

Saint Thomas Island Cyril E King

mar. 11/25

1:02 pm-9:05 pm

1 stop12h 03m

San Francisco

vie. 11/28

12:43 am-2:30 pm

1 stop9h 47m

$804

Saint Thomas IslandSan Francisco

STT - SFO

STTSFO

Saint Thomas Island Cyril E King

mié. 8/13

2:43 pm-10:25 am

1 stop22h 42m

$269

Saint Thomas IslandSan Francisco

STT - SFO

STTSFO

Saint Thomas Island Cyril E King

dom. 8/17

1:19 pm-7:58 am

2 stops21h 39m

$381

Saint Thomas IslandSan Francisco

STT - SFO

STTSFO

Saint Thomas Island Cyril E King

dom. 8/17

1:50 pm-10:59 pm

1 stop12h 09m

$392

Saint Thomas IslandSan Francisco

STT - SFO

STTSFO

Saint Thomas Island Cyril E King

jue. 7/31

4:10 pm-1:35 am

1 stop12h 25m

$455

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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

Have a flexible travel schedule? Discover the best time to fly to San Francisco 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 Francisco

See what other customers who have flown with Delta, United Airlines, and American Airlines from Saint Thomas Island to San Francisco have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,970 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

7,970 reviews

Delta

8.0

Very good

7,970 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

8,845 reviews

Delta

8.0

Very good

7,970 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

7,970 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 Francisco round-trip?
American Airlines, at $609, was found to be the cheapest airline from Saint Thomas Island to San Francisco. An alternate airline flying to your destination would be United Airlines. You may be able to fly from Saint Thomas Island to San Francisco for 16% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Saint Thomas Island to San Francisco one-way?
For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $381. Users have also found prices from $392 and $455 on American Airlines and Delta, respectively.
Can I find deals for flights from Saint Thomas Island to San Francisco that include hotel bookings?
Yes. In addition to deals on Saint Thomas Island to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Saint Thomas Island to San Francisco?
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 Francisco.
Can I find deals for business class flights from Saint Thomas Island to San Francisco?
Yes. Cheapflights offers flight deals from Saint Thomas Island to San Francisco 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 Francisco?
Currently, January is the cheapest month in which you can book a flight from Saint Thomas Island to San Francisco (average of $276). Flying from Saint Thomas Island to San Francisco in June is currently the most expensive (average of $360). 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

Roseville

Mountain View

South San Francisco

Livermore

Santa Cruz

Turlock

Manteca

Watsonville

Antioch

Hollister

Newark

Alameda

Hayward

Milpitas

Sunnyvale

Daly City

Campbell

Foster City

Capitola

Richmond

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Saint Thomas Island to San Francisco

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$577	Average$784	FlexibilityNo cancel fee	On-time71%

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$269+ Cheap flights from Saint Thomas Island (STT) to San Francisco (SFO)

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 8/13. 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 Francisco 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 Francisco

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Saint Thomas Island to San Francisco

Cheapest flights from Saint Thomas Island to San FranciscoExplore the most affordable flight options available from Saint Thomas Island to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.

Explore the most affordable flight options available from Saint Thomas Island to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.

Cheapflights Fare Finder

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

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

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Saint Thomas Island with our price prediction graph.

Reviews of airlines servicing San Francisco

See what other customers who have flown with Delta, United Airlines, and American Airlines from Saint Thomas Island to San Francisco have to say. You can also see how each airline compares 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 Francisco. 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 Francisco round-trip?

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

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

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

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

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

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 Francisco

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

Top airline flying from Saint Thomas Island to San Francisco

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Book with Flexibility

Travel Smart

Cheapest flights from Saint Thomas Island to San Francisco
Explore the most affordable flight options available from Saint Thomas Island to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.