What is the cheapest airline that flies from San Francisco to Saint Lucia?

Air Canada and American Airlines are the most popular carriers operating from San Francisco to Saint Lucia

What airlines fly to Saint Lucia?

American Airlines, JetBlue and Delta are the top three most popular airlines that fly to Saint Lucia from San Francisco according to our data. American Airlines is the first choice among our users, with 67% of people opting to fly with this airline when traveling to Saint Lucia. Keep in mind that there are 3 different airlines that fly to Saint Lucia on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from San Francisco Airport to Saint Lucia?

Prices for flights from San Francisco Airport to Saint Lucia refresh daily.

How many operators does momondo search for flights from San Francisco Airport to Saint Lucia?

There are 3 operators available for flights from San Francisco Airport to Saint Lucia as of October 2026.

How old do you have to be to fly from San Francisco Airport to Saint Lucia?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Saint Lucia.

What documentation or ID do you need to fly to Saint Lucia?

The necessary travel and health documents for your Saint Lucia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$398 Cheap Flights from San Francisco to Saint Lucia in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Francisco to Saint Lucia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:25 am - 4:40 pmSFO San Francisco-UVF Castries Hewanorra

28h 15m1 stop Toronto Pearson Intl

5:35 pm - 3:40 pmUVF Castries Hewanorra-SFO San Francisco

26h 05m1 stop Toronto Pearson Intl

$737Air Canada

Sat, Dec 5 - Sun, Dec 13

4:40 pm - 4:40 pmSFO San Francisco-UVF Castries Hewanorra

20h 00m1 stop Toronto Pearson Intl

5:35 pm - 11:10 amUVF Castries Hewanorra-SFO San Francisco

21h 35m1 stop Toronto Pearson Intl

$752Air Canada

Wed, Dec 9 - Wed, Dec 16

2:00 pm - 4:40 pmSFO San Francisco-UVF Castries Hewanorra

22h 40m1 stop Toronto Pearson Intl

5:35 pm - 9:30 pmUVF Castries Hewanorra-SFO San Francisco

31h 55m1 stop Toronto Pearson Intl

$754Air Canada

Thu, Dec 3 - Thu, Dec 10

9:35 pm - 3:57 pmSFO San Francisco-UVF Castries Hewanorra

14h 22m1 stop Miami

4:57 pm - 10:50 amUVF Castries Hewanorra-SFO San Francisco

21h 53m1 stop Miami

$837American Airlines

Mon, Feb 22 - Tue, Mar 2

10:05 pm - 2:58 pmSFO San Francisco-UVF Castries Hewanorra

12h 53m1 stop Charlotte Douglas

4:57 pm - 10:50 amUVF Castries Hewanorra-SFO San Francisco

21h 53m1 stop Miami

$837American Airlines

Tue, Feb 23 - Tue, Mar 2

10:05 pm - 2:58 pmSFO San Francisco-UVF Castries Hewanorra

12h 53m1 stop Charlotte Douglas

4:57 pm - 10:50 amUVF Castries Hewanorra-SFO San Francisco

21h 53m1 stop Miami

$837American Airlines

Mon, Mar 1 - Tue, Mar 9

11:45 pm - 3:05 pmSFO San Francisco-UVF Castries Hewanorra

11h 20m1 stop Atlanta Hartsfield-Jackson

4:25 pm - 10:32 amUVF Castries Hewanorra-SFO San Francisco

22h 07m1 stop Atlanta Hartsfield-Jackson

$1,009Delta

Mon, Feb 22 - Tue, Mar 2

10:45 pm - 3:36 pmSFO San Francisco-UVF Castries Hewanorra

12h 51m1 stop Atlanta Hartsfield-Jackson

4:56 pm - 10:45 amUVF Castries Hewanorra-SFO San Francisco

21h 49m1 stop Atlanta Hartsfield-Jackson

$1,279Delta

Thu, Dec 24 - Tue, Dec 29

9:30 pm - 3:46 pmSFO San Francisco-UVF Castries Hewanorra

14h 16m1 stop New York John F Kennedy Intl

3:27 pm - 12:58 amUVF Castries Hewanorra-SFO San Francisco

13h 31m1 stop New York John F Kennedy Intl

$2,025JetBlue

Tue, Dec 22 - Sat, Dec 26

11:36 pm - 3:50 pmSFO San Francisco-UVF Castries Hewanorra

12h 14m1 stop New York John F Kennedy Intl

1:35 pm - 11:22 pmUVF Castries Hewanorra-SFO San Francisco

13h 47m1 stop Boston Logan Intl

$2,344JetBlue

Fri, Dec 25 - Sun, Jan 3

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Air Canada flights from San Francisco to Saint Lucia

Our best Air Canada deals on San Francisco to Saint Lucia flight tickets

Air Canada

Dec 5

SFO8:25 amSan Francisco

28h 15m

1 stop

UVF4:40 pmCastries Hewanorra

Dec 13

UVF5:35 pmCastries Hewanorra

26h 05m

1 stop

SFO3:40 pmSan Francisco

$737

Air Canada

Dec 9

SFO4:40 pmSan Francisco

20h 00m

1 stop

UVF4:40 pmCastries Hewanorra

Dec 16

UVF5:35 pmCastries Hewanorra

21h 35m

1 stop

SFO11:10 amSan Francisco

$752

Air Canada

Dec 3

SFO4:55 pmSan Francisco

19h 45m

2 stops

UVF4:40 pmCastries Hewanorra

Dec 10

UVF5:35 pmCastries Hewanorra

24h 16m

2 stops

SFO1:51 pmSan Francisco

$754

American Airlines flights from San Francisco to Saint Lucia

Our best American Airlines deals on San Francisco to Saint Lucia flight tickets

American Airlines

Feb 22

SFO9:35 pmSan Francisco

14h 22m

1 stop

UVF3:57 pmCastries Hewanorra

Mar 2

UVF4:57 pmCastries Hewanorra

21h 53m

1 stop

SFO10:50 amSan Francisco

$837

American Airlines

Feb 22

SFO7:25 pmSan Francisco

15h 33m

2 stops

UVF2:58 pmCastries Hewanorra

Mar 2

UVF4:57 pmCastries Hewanorra

20h 07m

2 stops

SFO9:04 amSan Francisco

$841

American Airlines

Nov 27

SFO11:53 pmSan Francisco

11h 03m

1 stop

UVF2:56 pmCastries Hewanorra

Dec 4

UVF4:41 pmCastries Hewanorra

22h 15m

1 stop

SFO10:56 amSan Francisco

$887

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoCastries

SFO San Francisco - UVF Castries Hewanorra

SFOUVF

San Francisco

Sat 12/5

8:25 am-4:40 pm

1 stop28h 15m

Castries Hewanorra

Sun 12/13

5:35 pm-3:40 pm

1 stop26h 05m

$737

San FranciscoCastries

SFO San Francisco - UVF Castries Hewanorra

SFOUVF

San Francisco

Wed 12/9

4:40 pm-4:40 pm

1 stop20h 00m

Castries Hewanorra

Wed 12/16

5:35 pm-11:10 am

1 stop21h 35m

$752

San FranciscoCastries

SFO San Francisco - UVF Castries Hewanorra

SFOUVF

San Francisco

Thu 12/3

2:00 pm-4:40 pm

1 stop22h 40m

Castries Hewanorra

Thu 12/10

5:35 pm-9:30 pm

1 stop31h 55m

$754

San FranciscoCastries

SFO San Francisco - UVF Castries Hewanorra

SFOUVF

San Francisco

Mon 2/22

9:35 pm-3:57 pm

1 stop14h 22m

Castries Hewanorra

Tue 3/2

4:57 pm-10:50 am

1 stop21h 53m

$837

San FranciscoCastries

SFO San Francisco - UVF Castries Hewanorra

SFOUVF

San Francisco

Tue 2/23

10:05 pm-2:58 pm

1 stop12h 53m

Castries Hewanorra

Tue 3/2

4:57 pm-10:50 am

1 stop21h 53m

$837

San FranciscoCastries

SFO San Francisco - UVF Castries Hewanorra

SFOUVF

San Francisco

Mon 3/1

10:05 pm-2:58 pm

1 stop12h 53m

Castries Hewanorra

Tue 3/9

4:57 pm-10:50 am

1 stop21h 53m

$837

San FranciscoCastries

SFO San Francisco - UVF Castries Hewanorra

SFOUVF

San Francisco

Mon 2/22

11:45 pm-3:05 pm

1 stop11h 20m

Castries Hewanorra

Tue 3/2

4:25 pm-10:32 am

1 stop22h 07m

$1,009

San FranciscoCastries

SFO San Francisco - UVF Castries Hewanorra

SFOUVF

San Francisco

Thu 12/24

10:45 pm-3:36 pm

1 stop12h 51m

Castries Hewanorra

Tue 12/29

4:56 pm-10:45 am

1 stop21h 49m

$1,279

San FranciscoCastries

SFO San Francisco - UVF Castries Hewanorra

SFOUVF

San Francisco

Tue 12/22

9:30 pm-3:46 pm

1 stop14h 16m

Castries Hewanorra

Sat 12/26

3:27 pm-12:58 am

1 stop13h 31m

$2,025

Quickest round-trip

San FranciscoCastries

SFO San Francisco - UVF Castries Hewanorra

SFOUVF

San Francisco

Fri 12/25

11:36 pm-3:50 pm

1 stop12h 14m

Castries Hewanorra

Sun 1/3

1:35 pm-11:22 pm

1 stop13h 47m

$2,344

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Francisco to Saint Lucia

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

Prices

Airlines

What is the cheapest month to fly to Saint Lucia?

The month of February is, on average, the cheapest month to fly to Saint Lucia from San Francisco, with most prices found around $707. If you aren’t able to travel to Saint Lucia during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $743.

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

You could potentially save up to 71% on your flight if you consider stops on a San Francisco to Saint Lucia flight.

Cheap San Francisco to Saint Lucia flight deals and tips

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

Best Price Found	$398
Fastest flight time	11h 15m
Direct flights	None

The best one-way flight to Saint Lucia from San Francisco in the past 72 hours is $398. The best round-trip flight deal from San Francisco to Saint Lucia found on momondo in the last 72 hours is $737.

The fastest flight from San Francisco to Saint Lucia takes 11h 15m

There are no direct flights from San Francisco to Saint Lucia. There are no popular flight routes from San Francisco to Saint Lucia.

Search flight deals

Frequently asked questions about flying from San Francisco to Saint Lucia

When did momondo last update prices for flights from San Francisco Airport to Saint Lucia?
Prices for flights from San Francisco Airport to Saint Lucia refresh daily.
How many operators does momondo search for flights from San Francisco Airport to Saint Lucia?
There are 3 operators available for flights from San Francisco Airport to Saint Lucia as of October 2026.
How old do you have to be to fly from San Francisco Airport to Saint Lucia?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Saint Lucia.
What documentation or ID do you need to fly to Saint Lucia?
The necessary travel and health documents for your Saint Lucia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from San Francisco to Saint Lucia

Compare and see reviews for airlines that fly from San Francisco to Saint Lucia with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $296	Free Cancellation	Rating 7.8 8,692 reviews	Search Delta flights
American Airlines	PriceFrom $573	Free Cancellation	Rating 7.0 12,210 reviews	Search American Airlines flights
JetBlue	PriceFrom $636	Free Cancellation	Rating 7.1 3,076 reviews	Search JetBlue flights

Why use momondo?

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

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 Lucia from San Francisco.

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

momondo does allow users to show only those flights to Saint Lucia 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 Lucia?

Once you have performed a search for San Francisco to Saint Lucia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for San Francisco to Saint Lucia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Saint Lucia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Flights to Castriesfrom $627

Cheap flights from San Francisco to Saint Lucia from $398

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 Lucia departing on 1/6. 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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Big names and deals

Filter for what you want

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Air Canada flights from San Francisco to Saint Lucia

Our best Air Canada deals on San Francisco to Saint Lucia flight tickets

American Airlines flights from San Francisco to Saint Lucia

Our best American Airlines deals on San Francisco to Saint Lucia flight tickets

momondo Fare Finder

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

See travel insights to Saint Lucia from

How to get the cheapest flight ticket from San Francisco to Saint Lucia

What is the cheapest month to fly to Saint Lucia?

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

What is the cheapest airline that flies from San Francisco to Saint Lucia?

What airlines fly to Saint Lucia?

Cheap San Francisco to Saint Lucia flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from San Francisco to Saint Lucia

Best airlines flying from San Francisco to Saint Lucia

Compare and see reviews for airlines that fly from San Francisco to Saint Lucia with momondo

Why use momondo?

An easier way to manage your Saint Lucia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Saint Lucia

Popular cities in Saint Lucia

Popular flights according to clicks in the last 7 days on momondo

San Francisco flight routes

According to popular flight searches on momondo this year

Saint Lucia flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Saint Lucia

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Saint Lucia

List of cabin classes available on flights landing in Saint Lucia. Availability may vary depending on flight origin and airline.

Complete your trip to Saint Lucia

Explore popular destinations other users love

According to popular flight searches on momondo this year