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

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

What are the most popular airlines that fly from San Francisco to Saint Thomas Island?

Consider American Airlines, Delta or United Airlines when booking your flight. These represent the most popular airlines when flying from San Francisco to Saint Thomas Island.

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

Flying to your destination on a Thursday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Saint Thomas Island. Check prices with Cheapflights to find a great deal for your trip.

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

Travelers have found it’s best to book a flight 43 days in advance to save up to 57% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 43 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from San Francisco to Saint Thomas Island 1-2 weeks in advance for as low as $643, or $1,009 for flights within the next 24 hours.

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

The best pricing can be found in the month of September. Prices to Saint Thomas Island from San Francisco average $818. You can even find prices in September for less than $818, as users have found deals to Saint Thomas Island from as low as $577. The month of December appears to be one of the more expensive times to travel to Saint Thomas Island from San Francisco. Flying in the targeted month can save you up to 45%.

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.

$388+ Flights from San Francisco to Saint Thomas Island

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from San Francisco 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.

Cheapflights Tip: The best prices from San Francisco to Saint Thomas Island Cyril E King are usually found in September or January, booked 86 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap flight deals from San Francisco to Saint Thomas Island

Round-trip from	$561 (Trip.com)
Popular in	December
Cheapest in	September
Average price	$804

From San Francisco to Saint Thomas Island Cyril E King

Search Deals

Highest demand for flights based on searches. 3% potential increase in price ($34 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

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 July 28, 2025.

Fri 8/158:53 pmSFO - STT

1 stop13h 55mMultiple Airlines

Wed 8/272:43 pmSTT - SFO

2 stops23h 46mMultiple Airlines

Deal found 7/28

$561

Sat 11/111:36 pmSFO - STT

2 stops12h 39mAmerican Airlines

Mon 11/106:17 pmSTT - SFO

2 stops19h 09mAmerican Airlines

Deal found 7/25

$609

Sat 12/136:01 pmSFO - STT

2 stops16h 29mUnited Airlines

Sat 12/203:35 pmSTT - SFO

1 stop11h 14mUnited Airlines

Deal found 7/28

$690

Best flights from San Francisco to Saint Thomas Island
Discover carefully curated flight deals from San Francisco to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 28, 2025.

Fri 8/158:53 pmSFO - STT

1 stop13h 55mMultiple Airlines

Wed 8/272:43 pmSTT - SFO

2 stops23h 46mMultiple Airlines

Deal found 7/28

$561

Thu 1/83:30 pmSFO - STT

2 stops19h 05mJetBlue

Fri 1/163:30 pmSTT - SFO

2 stops12h 03mJetBlue

Deal found 7/28

$573

Sat 11/112:27 amSFO - STT

2 stops11h 48mAmerican Airlines

Tue 11/116:17 pmSTT - SFO

2 stops21h 04mAmerican Airlines

Deal found 7/25

$609

Sat 12/136:01 pmSFO - STT

2 stops16h 29mUnited Airlines

Sat 12/203:35 pmSTT - SFO

1 stop11h 14mUnited Airlines

Deal found 7/28

$690

Last-minute flights from San Francisco to Saint Thomas Island
Discover last-minute flight deals from San Francisco to Saint Thomas Island. Data last updated July 28, 2025 and is based on user searches.

Sun 8/36:45 pmSFO - STT

2 stops17h 58mUnited Airlines

Tue 8/121:19 pmSTT - SFO

2 stops20h 53mUnited Airlines

Deal found 7/26

$1,044

Sun 8/311:54 pmSFO - STT

1 stop9h 52mAmerican Airlines

Mon 8/111:50 pmSTT - SFO

2 stops22h 56mAmerican Airlines

Deal found 7/26

$1,084

Mon 8/49:14 pmSFO - STT

2 stops13h 14mJetBlue

Tue 8/122:23 pmSTT - SFO

2 stops22h 15mJetBlue

Deal found 7/26

$1,030

Tue 8/57:29 pmSFO - STT

2 stops15h 23mDelta

Wed 8/133:23 pmSTT - SFO

1 stop10h 26mDelta

Deal found 7/26

$2,864

Sat 8/912:30 amSFO - STT

1 stop12h 13mUnited Airlines

Thu 8/141:19 pmSTT - SFO

1 stop12h 50mUnited Airlines

Deal found 7/26

$869

Fri 8/158:53 pmSFO - STT

1 stop13h 55mMultiple Airlines

Wed 8/272:43 pmSTT - SFO

2 stops23h 46mMultiple Airlines

Deal found 7/28

$561

Fri 8/1512:40 amSFO - STT

2 stops11h 30mDelta

Sat 8/233:21 pmSTT - SFO

1 stop10h 04mDelta

Deal found 7/28

$992

Tue 8/264:30 pmSFO - STT

2 stops17h 58mJetBlue

Tue 9/22:23 pmSTT - SFO

2 stops22h 27mJetBlue

Deal found 7/27

$795

Thu 8/2811:59 pmSFO - STT

1 stop13h 01mAmerican Airlines

Thu 9/41:40 pmSTT - SFO

2 stops12h 35mAmerican Airlines

Deal found 7/26

$649

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoSaint Thomas Island

SFO - STT

SFOSTT

San Francisco

Fri 8/15

8:53 pm-1:48 pm

1 stop13h 55m

Saint Thomas Island Cyril E King

Wed 8/27

2:43 pm-11:29 am

2 stops23h 46m

$561

San FranciscoSaint Thomas Island

SFO - STT

SFOSTT

San Francisco

Thu 1/8

3:30 pm-2:35 pm

2 stops19h 05m

Saint Thomas Island Cyril E King

Fri 1/16

3:30 pm-11:33 pm

2 stops12h 03m

$573

San FranciscoSaint Thomas Island

SFO - STT

SFOSTT

San Francisco

Sat 11/1

12:27 am-3:46 pm

1 stop12h 19m

Saint Thomas Island Cyril E King

Tue 11/11

4:18 pm-10:58 pm

1 stop10h 40m

$609

San FranciscoSaint Thomas Island

SFO - STT

SFOSTT

San Francisco

Sat 12/13

6:01 pm-2:30 pm

2 stops16h 29m

Saint Thomas Island Cyril E King

Sat 12/20

3:35 pm-10:49 pm

1 stop11h 14m

$690

San FranciscoSaint Thomas Island

SFO - STT

SFOSTT

San Francisco

Sun 12/14

9:30 pm-12:00 pm

1 stop10h 30m

$388

San FranciscoSaint Thomas Island

SFO - STT

SFOSTT

San Francisco

Tue 12/16

4:28 pm-3:35 pm

2 stops19h 07m

$398

San FranciscoSaint Thomas Island

SFO - STT

SFOSTT

San Francisco

Wed 12/17

9:45 pm-2:31 pm

2 stops12h 46m

$501

San FranciscoSaint Thomas Island

SFO - STT

SFOSTT

San Francisco

Fri 12/19

11:59 pm-3:35 pm

1 stop11h 36m

$704

San FranciscoSaint Thomas Island

SFO - STT

SFOSTT

San Francisco

Fri 12/26

11:55 pm-7:20 pm

2 stops15h 25m

$788

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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?

Booking 86 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 $649). 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?

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

Peruse reviews from past customers who have flown with United Airlines, JetBlue, and American Airlines from San Francisco to Saint Thomas Island to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,893 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

United Airlines

7.4

Good

8,893 reviews

United Airlines

7.4

Good

8,893 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

JetBlue

7.3

Good

2,913 reviews

United Airlines

7.4

Good

8,893 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

American Airlines

7.2

Good

10,000 reviews

United Airlines

7.4

Good

8,893 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

What are the cheapest airlines flying from San Francisco to Saint Thomas Island round-trip?
Currently priced at $573, JetBlue will fly you from San Francisco to Saint Thomas Island and back. In addition to JetBlue, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $609 and $690, respectively. You may be able to fly from San Francisco to Saint Thomas Island for 29% 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 $649). 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

St. John

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for San Francisco to Saint Thomas Island

Complete your trip

Saint Thomas Island car rentals

Saint Thomas Island Cyril E King Airport car rentals

Christiansted Henry Rohlsen Airport car rentals

Christiansted car rentals

Charlotte Amalie car rentals

East End car rentals

Southside car rentals

Water Island car rentals

Northside car rentals

Tutu car rentals

Other flights to Saint Thomas Island

Orlando to Saint Thomas Island flights

Fort Lauderdale to Saint Thomas Island flights

Newark to Saint Thomas Island flights

John F Kennedy Intl to Saint Thomas Island flights

Atlanta to Saint Thomas Island flights

Boston to Saint Thomas Island flights

Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport flights

Saint Thomas Island to Orlando Airport flights

Saint Thomas Island to Fort Lauderdale flights

Saint Thomas Island to New York John F Kennedy Intl Airport flights

Saint Thomas Island to Orlando Airport flights

Saint Thomas Island to Philadelphia flights

Saint Thomas Island to Fort Lauderdale flights

Saint Thomas Island to New York John F Kennedy Intl Airport flights

Saint Thomas Island to Miami flights

Saint Thomas Island to Atlanta flights

Saint Thomas Island to Christiansted flights

Saint Thomas Island to Boston flights

Saint Thomas Island to Atlanta flights

Saint Thomas Island to Santo Domingo flights

Saint Thomas Island to Charlotte flights

Saint Thomas Island to Washington, D.C. Dulles Intl Airport flights

Saint Thomas Island to Chicago O'Hare Intl Airport flights

Top 3 airlines flying from San Francisco to Saint Thomas Island

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$607	Average$843	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$634	Average$821	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$643	Average$965	FlexibilityNo cancel fee	On-timeN/A

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.

$388+ 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 12/14. Fares are subject to change and may not be available on all flights or dates of travel.

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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from San Francisco to Saint Thomas Island Cyril E King are usually found in September or January, booked 86 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap flight deals from San Francisco to Saint Thomas Island

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from San Francisco to Saint Thomas Island

Cheapest flights from San Francisco to Saint Thomas IslandExplore 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 July 28, 2025.

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 July 28, 2025.

Cheapflights Fare Finder

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

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.

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 July 25, 2025.

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

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 July 28, 2025.

Reviews of airlines servicing Saint Thomas Island

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?

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

How can I 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?

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

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 San Francisco to Saint Thomas Island

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

Top 3 airlines flying from San Francisco to Saint Thomas Island

100% Free

Book with Flexibility

Travel Smart

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 July 28, 2025.