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Cheap flights from San Francisco to Saint Thomas Island from $387

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Saint Thomas Island departing on 9/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from San Francisco to Saint Thomas Island

Cheap round-trip flights

JetBlue Logo
9:45 pm - 2:21 pmSFO-STT
12h 36m2 stops
JetBlue Logo
3:17 pm - 10:18 amSTT-SFO
23h 01m2 stops
$526JetBlue
Find Deal
Sun, Dec 7 - Wed, Dec 10
JetBlue Logo
9:44 pm - 2:20 pmSFO-STT
12h 36m2 stops
JetBlue Logo
3:32 pm - 9:29 amSTT-SFO
21h 57m2 stops
$547JetBlue
Find Deal
Sun, Dec 14 - Sun, Dec 21
American Airlines Logo
11:59 pm - 4:57 pmSFO-STT
13h 58m1 stop
American Airlines Logo
6:17 pm - 11:21 amSTT-SFO
21h 04m2 stops
$609American Airlines
Find Deal
Sat, Nov 1 - Mon, Nov 10
United Airlines Logo
9:20 pm - 1:12 pmSFO-STT
11h 52m1 stop
United Airlines Logo
3:35 pm - 10:59 pmSTT-SFO
11h 24m1 stop
$634United Airlines
Find Deal
Mon, Nov 24 - Sat, Dec 6
American Airlines Logo
11:50 pm - 3:25 pmSFO-STT
11h 35m2 stops
American Airlines Logo
6:17 pm - 11:25 amSTT-SFO
21h 08m2 stops
$649American Airlines
Find Deal
Sun, Nov 2 - Tue, Nov 11
United Airlines Logo
12:43 am - 2:30 pmSFO-STT
9h 47m1 stop
United Airlines Logo
1:02 pm - 10:55 pmSTT-SFO
13h 53m2 stops
$689United Airlines
Find Deal
Sat, Dec 6 - Wed, Dec 10
Delta Logo
9:38 pm - 2:45 pmSFO-STT
14h 07m1 stop
Delta Logo
2:49 pm - 12:05 amSTT-SFO
12h 16m1 stop
$809Delta
Find Deal
Fri, Oct 3 - Tue, Oct 7
Multiple Airlines Logo
12:43 am - 6:00 pmSFO-STT
14h 17m2 stops
Multiple Airlines Logo
1:02 pm - 12:12 amSTT-SFO
15h 10m2 stops
$850Multiple Airlines
Find Deal
Tue, Oct 14 - Mon, Nov 3
Multiple Airlines Logo
12:43 am - 5:20 pmSFO-STT
13h 37m2 stops
Multiple Airlines Logo
1:02 pm - 9:05 pmSTT-SFO
12h 03m1 stop
$900Multiple Airlines
Find Deal
Mon, Oct 13 - Mon, Nov 3
Delta Logo
6:23 pm - 1:39 pmSFO-STT
16h 16m2 stops
Delta Logo
2:49 pm - 12:05 amSTT-SFO
12h 16m2 stops
$1,120Delta
Find Deal
Sun, Oct 5 - Sun, Oct 12

JetBlue flights from San Francisco to Saint Thomas Island

Our best JetBlue deals on San Francisco to Saint Thomas Island flight tickets
JetBlue
Dec 7
SFO9:45 pmSan Francisco
12h 36m
2 stops
STT2:21 pmSaint Thomas Island Cyril E King
Dec 10
STT3:17 pmSaint Thomas Island Cyril E King
23h 01m
2 stops
SFO10:18 amSan Francisco
$526
Find similar
JetBlue
Dec 14
SFO9:44 pmSan Francisco
12h 36m
2 stops
STT2:20 pmSaint Thomas Island Cyril E King
Dec 21
STT3:32 pmSaint Thomas Island Cyril E King
21h 57m
2 stops
SFO9:29 amSan Francisco
$547
Find similar
JetBlue
Nov 24
SFO3:10 pmSan Francisco
19h 41m
2 stops
STT2:51 pmSaint Thomas Island Cyril E King
Dec 6
STT3:17 pmSaint Thomas Island Cyril E King
23h 01m
2 stops
SFO10:18 amSan Francisco
$684
Find similar

American Airlines flights from San Francisco to Saint Thomas Island

Our best American Airlines deals on San Francisco to Saint Thomas Island flight tickets
American Airlines
Nov 1
SFO11:59 pmSan Francisco
13h 58m
1 stop
STT4:57 pmSaint Thomas Island Cyril E King
Nov 10
STT6:17 pmSaint Thomas Island Cyril E King
21h 04m
2 stops
SFO11:21 amSan Francisco
$609
Find similar
American Airlines
Nov 2
SFO11:50 pmSan Francisco
11h 35m
2 stops
STT3:25 pmSaint Thomas Island Cyril E King
Nov 11
STT6:17 pmSaint Thomas Island Cyril E King
21h 08m
2 stops
SFO11:25 amSan Francisco
$649
Find similar
American Airlines
Nov 1
SFO12:27 amSan Francisco
12h 20m
1 stop
STT3:47 pmSaint Thomas Island Cyril E King
Nov 11
STT6:17 pmSaint Thomas Island Cyril E King
20h 50m
1 stop
SFO11:07 amSan Francisco
$654
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated September 16, 2025.
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

Sun 12/7

9:45 pm-2:21 pm

2 stops12h 36m

Saint Thomas Island Cyril E King

Wed 12/10

3:17 pm-10:18 am

2 stops23h 01m

$526

San FranciscoSaint Thomas Island

SFO - STT

SFOSTT

San Francisco

Sun 12/14

9:44 pm-2:20 pm

2 stops12h 36m

Saint Thomas Island Cyril E King

Sun 12/21

3:32 pm-9:29 am

2 stops21h 57m

$547

San FranciscoSaint Thomas Island

SFO - STT

SFOSTT

San Francisco

Sat 11/1

11:59 pm-4:57 pm

1 stop13h 58m

Saint Thomas Island Cyril E King

Mon 11/10

6:17 pm-11:21 am

2 stops21h 04m

$609

San FranciscoSaint Thomas Island

SFO - STT

SFOSTT

San Francisco

Mon 11/24

9:20 pm-1:12 pm

1 stop11h 52m

Saint Thomas Island Cyril E King

Sat 12/6

3:35 pm-10:59 pm

1 stop11h 24m

$634

San FranciscoSaint Thomas Island

SFO - STT

SFOSTT

San Francisco

Sun 11/2

11:50 pm-3:25 pm

2 stops11h 35m

Saint Thomas Island Cyril E King

Tue 11/11

6:17 pm-11:25 am

2 stops21h 08m

$649

San FranciscoSaint Thomas Island

SFO - STT

SFOSTT

San Francisco

Sat 12/6

12:43 am-2:30 pm

1 stop9h 47m

Saint Thomas Island Cyril E King

Wed 12/10

1:02 pm-10:55 pm

2 stops13h 53m

$689

San FranciscoSaint Thomas Island

SFO - STT

SFOSTT

San Francisco

Fri 10/3

9:38 pm-2:45 pm

1 stop14h 07m

Saint Thomas Island Cyril E King

Tue 10/7

2:49 pm-12:05 am

1 stop12h 16m

$809

San FranciscoSaint Thomas Island

SFO - STT

SFOSTT

San Francisco

Tue 10/14

12:43 am-6:00 pm

2 stops14h 17m

Saint Thomas Island Cyril E King

Mon 11/3

1:02 pm-12:12 am

2 stops15h 10m

$850

San FranciscoSaint Thomas Island

SFO - STT

SFOSTT

San Francisco

Mon 10/13

12:43 am-5:20 pm

2 stops13h 37m

Saint Thomas Island Cyril E King

Mon 11/3

1:02 pm-9:05 pm

1 stop12h 03m

$900

San FranciscoSaint Thomas Island

SFO - STT

SFOSTT

San Francisco

Sun 10/5

6:23 pm-1:39 pm

2 stops16h 16m

Saint Thomas Island Cyril E King

Sun 10/12

2:49 pm-12:05 am

2 stops12h 16m

$1,120

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to Saint Thomas Island from

How to get the cheapest flight ticket from San Francisco to Saint Thomas Island

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Saint Thomas Island?

The month of September is another great option to travel to Saint Thomas Island, with average flight prices from San Francisco averaging around $689.

What is the cheapest day to depart on your flight to Saint Thomas Island?

On average, the least expensive day to fly to Saint Thomas Island from San Francisco is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $716. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from San Francisco to Saint Thomas Island for around $1,001.

What is the cheapest time of day to depart on your flight to Saint Thomas Island?

The cheapest time of day to fly to Saint Thomas Island is in the afternoon when flights can be purchased for as low as $727. Flights to Saint Thomas Island are more costly at noon, with an average ticket price of $982. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Saint Thomas Island from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Saint Thomas Island for around $818 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Saint Thomas Island from San Francisco for as low as $742 on momondo.

Can stopping save me money on San Francisco to Saint Thomas Island flights?

You could potentially save up to 23% on your flight if you consider stops on a San Francisco to Saint Thomas Island flight.

How have San Francisco to Saint Thomas Island flight prices changed over time?

As of September 2025, prices for San Francisco to Saint Thomas Island flights are approximately 47% more expensive when compared to flights at the same time last year.

When to book flights from San Francisco to Saint Thomas Island

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Saint Thomas Island according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Francisco to Saint Thomas Island (SFO to STT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Saint Thomas Island

Direct flights

None
There are no direct flights from San Francisco to Saint Thomas Island. There are no popular flight routes from San Francisco to Saint Thomas Island.
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  • How far is San Francisco to Saint Thomas Island Cyril E King by plane?

    There are 3687.8 mi between San Francisco and Saint Thomas Island Cyril E King. By plane, this route typically takes 9h 24m.

  • When did momondo last update prices for flights from San Francisco Airport to Saint Thomas Island Cyril E King Airport?

    Prices for flights from San Francisco Airport to Saint Thomas Island Cyril E King Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from San Francisco Airport to Saint Thomas Island Cyril E King Airport?

  • How old do you have to be to fly from San Francisco Airport to Saint Thomas Island Cyril E King Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Francisco Airport to Saint Thomas Island Cyril E King Airport.

  • What documentation or ID do you need to fly to Saint Thomas Island Cyril E King Airport?

    The travel and health documents you'll need for your trip to Saint Thomas Island Cyril E King Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Saint Thomas Island Cyril E King Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from San Francisco to Saint Thomas Island?

Best airlines flying from San Francisco to Saint Thomas Island

Compare and see reviews for airlines that fly from San Francisco to Saint Thomas Island with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $609Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $634Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
DeltaPriceFrom $705Free CancellationRating
7.9
7,957 reviews
Search Delta flights

Traveling to a place near Saint Thomas Island?

Book flights to Saint Thomas Island if you plan to visit one of these locations
St. John

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Saint Thomas Island?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Saint Thomas Island from San Francisco.

Can I find flights from San Francisco to Saint Thomas Island with flexible booking policies on momondo?

momondo does allow users to show only those flights to Saint Thomas Island from San Francisco which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from San Francisco to Saint Thomas Island?

momondo helps you find the best flight between San Francisco and Saint Thomas Island by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from San Francisco to Saint Thomas Island right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Saint Thomas Island from San Francisco. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Saint Thomas Island trip

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Find better results for your trip to the U.S. Virgin Islands

Airports servicing U.S. Virgin Islands

Saint Croix Airport