HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Saint Lucia

$408+ Cheap flights from San Francisco (SFO) to Saint Lucia

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 12/25. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — UVF
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Francisco to Saint Lucia 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.

Cheap flight deals from San Francisco to Saint Lucia

Keep the following information in mind while searching for San Francisco to Saint Lucia flight deals. Data was last updated August 18, 2025.

Round-trip from

$529
(Priceline)

One-way from

$408
(American Airlines)

Popular in

January

Cheapest in

October

Average price

$652
From San Francisco to Saint Lucia
Search Deals
One-way flight from San Francisco to Saint Lucia
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($76 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from San Francisco to Saint Lucia

Cheapest flights from San Francisco to Saint Lucia
Explore the most affordable flight options available from San Francisco to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This Priceline deal was found by Cheapflights users on 8/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/139:00 pmSFO - UVF
1 stop14h 15mJetBlue
Sat 9/202:06 pmUVF - SFO
1 stop13h 53mJetBlue
Deal found 8/17$529
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Wed 11/51:07 pmSFO - UVF
1 stop20h 14mAmerican Airlines
Mon 11/104:50 pmUVF - SFO
1 stop22h 18mAmerican Airlines
Deal found 8/17$537
This Priceline deal was found by Cheapflights users on 8/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/39:00 pmSFO - UVF
1 stop13h 57mJetBlue
Mon 11/174:57 pmUVF - SFO
1 stop21h 23mJetBlue
Deal found 8/16$539
This American Airlines deal was found by Cheapflights users on 8/16. 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.
Thu 10/2311:36 pmSFO - UVF
1 stop10h 29mAmerican Airlines
Thu 10/304:00 pmUVF - SFO
2 stops21h 24mAmerican Airlines
Deal found 8/16$542
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Thu 10/3012:27 pmSFO - UVF
1 stop23h 33mAmerican Airlines
Mon 11/34:50 pmUVF - SFO
1 stop22h 18mAmerican Airlines
Deal found 8/17$551
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Wed 9/1011:10 amSFO - UVF
1 stop24h 07mAmerican Airlines
Wed 9/173:17 pmUVF - SFO
2 stops23h 59mAmerican Airlines
Deal found 8/17$555
This Expedia deal was found by Cheapflights users on 8/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/139:00 pmSFO - UVF
1 stop14h 15mJetBlue
Sat 9/272:06 pmUVF - SFO
1 stop13h 53mJetBlue
Deal found 8/17$564
This American Airlines deal was found by Cheapflights users on 8/16. 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.
Tue 9/1611:10 amSFO - UVF
1 stop24h 06mAmerican Airlines
Fri 9/263:17 pmUVF - SFO
2 stops24h 53mAmerican Airlines
Deal found 8/16$590
This American Airlines deal was found by Cheapflights users on 8/16. 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.
Wed 11/51:07 pmSFO - UVF
1 stop20h 14mAmerican Airlines
Tue 11/184:50 pmUVF - SFO
2 stops24h 25mAmerican Airlines
Deal found 8/16$602
This United deal was found by Cheapflights users on 8/18. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1612:43 amSFO - SLU
2 stops33h 27mMultiple Airlines
Wed 9/2410:15 amSLU - SFO
2 stops26h 15mMultiple Airlines
Deal found 8/18$1,705
This Expedia deal was found by Cheapflights users on 8/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/238:35 amSFO - SLU
2 stops27h 15mMultiple Airlines
Sat 11/296:20 pmSLU - SFO
2 stops44h 34mMultiple Airlines
Deal found 8/17$4,917
This Expedia deal was found by Cheapflights users on 8/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/268:35 amSFO - SLU
2 stops33h 35mMultiple Airlines
Sat 1/36:20 pmSLU - SFO
2 stops43h 13mMultiple Airlines
Deal found 8/17$4,955

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Saint Lucia 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 August 18, 2025.
Use the filters below to find and compare flights from San Francisco to Saint Lucia that are best for you.

Fly from

San Francisco

Fly to

Saint Lucia

Route

Depart

Return

Price

San FranciscoCastries

SFO - UVF

SFOUVF

San Francisco

Sat 11/22

9:20 pm-3:41 pm

1 stop14h 21m

Castries Hewanorra

Sat 11/29

7:12 pm-10:30 am

1 stop19h 18m

$529

San FranciscoCastries

SFO - UVF

SFOUVF

San Francisco

Sat 9/13

11:29 pm-2:15 pm

1 stop11h 46m

Castries Hewanorra

Sat 9/20

2:06 pm-12:59 am

1 stop13h 53m

$529

San FranciscoCastries

SFO - UVF

SFOUVF

San Francisco

Wed 11/5

1:07 pm-1:21 pm

1 stop20h 14m

Castries Hewanorra

Mon 11/10

4:50 pm-11:08 am

1 stop22h 18m

$537

San FranciscoCastries

SFO - UVF

SFOUVF

San Francisco

Mon 11/3

9:00 pm-2:57 pm

1 stop13h 57m

Castries Hewanorra

Mon 11/17

4:57 pm-10:20 am

1 stop21h 23m

$539

San FranciscoCastries

SFO - UVF

SFOUVF

San Francisco

Thu 10/23

6:59 pm-1:05 pm

2 stops15h 06m

Castries Hewanorra

Thu 10/30

4:00 pm-8:45 am

2 stops19h 45m

$542

San FranciscoCastries

SFO - UVF

SFOUVF

San Francisco

Thu 10/30

6:59 pm-1:56 pm

2 stops15h 57m

Castries Hewanorra

Mon 11/3

4:50 pm-11:08 am

1 stop22h 18m

$542

San FranciscoCastries

SFO - SLU

SFOSLU

San Francisco

Tue 9/16

12:43 am-1:10 pm

2 stops33h 27m

Castries George F. L. Charle

Wed 9/24

10:15 am-9:30 am

2 stops26h 15m

$1,705

San FranciscoCastries

SFO - UVF

SFOUVF

San Francisco

Thu 12/25

1:36 pm-1:05 pm

1 stop19h 29m

$408

San FranciscoCastries

SFO - SLU

SFOSLU

San Francisco

Thu 12/25

10:48 pm-10:10 pm

3 stops43h 22m

$434

San FranciscoCastries

SFO - SLU

SFOSLU

San Francisco

Fri 12/26

2:21 pm-10:10 pm

3 stops27h 49m

$539

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 15 results
1
2

Best time to book a flight from San Francisco to Saint Lucia

Have a flexible travel schedule? Discover the best time to fly to Saint Lucia 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 Lucia

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

Currently, January is the cheapest month in which you can book a flight from San Francisco to Saint Lucia (average of $556). Flying from San Francisco to Saint Lucia in December is currently the most expensive (average of $730). 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 LC?

Find hourly flight availability from San Francisco to Saint Lucia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 18, 2025.

When flying from San Francisco to Saint Lucia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Saint Lucia

Get insights into the airlines that provide service to Saint Lucia. 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 Lucia. Reviews last updated August 18, 2025.
Peruse reviews from past customers who have flown with Delta, American Airlines, and JetBlue from San Francisco to Saint Lucia 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.
Delta
8.0
Very good
7,981 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

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
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

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
7,981 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

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.
JetBlue
7.2
Good
2,915 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

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 Lucia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Francisco to Saint Lucia?

    For a flight from San Francisco to Saint Lucia, you will be flying from San Francisco. San Francisco (SFO) is just 11.8 mi from the center of the city.

  • How long is the flight from San Francisco to Saint Lucia?

    Airlines like JetBlue and American Airlines fly from San Francisco to Saint Lucia in about 14h 21m. The time it takes to get you to your destination can typically vary by up to 5h 53m. San Francisco and Saint Lucia are separated by a distance of 4083 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

  • How can I find direct flights from San Francisco to Saint Lucia?

    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 Lucia.

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

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

    Currently, January is the cheapest month in which you can book a flight from San Francisco to Saint Lucia (average of $556). Flying from San Francisco to Saint Lucia in December is currently the most expensive (average of $730). 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

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 Lucia

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Luis Munoz Marin Intl flights
San Francisco to Luis Munoz Marin Intl flights
San Francisco to Punta Cana flights
Los Angeles to Montego Bay flights
San Diego to Luis Munoz Marin Intl flights
Los Angeles to Punta Cana flights
Ontario to Luis Munoz Marin Intl flights
Los Angeles to Saint Thomas Island flights
Los Angeles to Nassau flights
Santa Ana to Luis Munoz Marin Intl flights
Sacramento to Luis Munoz Marin Intl flights
Las Vegas to Luis Munoz Marin Intl flights
Burbank to Luis Munoz Marin Intl flights
Los Angeles to Oranjestad flights
Los Angeles to Providenciales flights
Los Angeles to Santo Domingo flights
San Francisco to Montego Bay flights
San Jose to Luis Munoz Marin Intl flights
San Francisco to Oranjestad flights
Los Angeles to Kingston flights
San Diego to Punta Cana flights
Oakland to Luis Munoz Marin Intl flights
Los Angeles to Willemstad flights
Los Angeles to Simpson Bay flights
Los Angeles to George Town flights
Ontario to Punta Cana flights
San Francisco to Providenciales flights
Los Angeles to Castries flights
San Francisco to Nassau flights
Los Angeles to Port of Spain flights
Ontario to Montego Bay flights
Las Vegas to Montego Bay flights
Los Angeles to Bridgetown flights
San Francisco to Simpson Bay flights
Las Vegas to Nassau flights
San Diego to Nassau flights
San Francisco to Saint Thomas Island flights
San Francisco to Willemstad flights
San Francisco to George Town flights
San Francisco to Santo Domingo flights
San Francisco to Kingston flights
Ontario to Santo Domingo flights
Ontario to Nassau flights
Ontario to Oranjestad flights
Las Vegas to Oranjestad flights
Palm Springs to Luis Munoz Marin Intl flights
Los Angeles to Ponce flights
San Francisco to Castries flights
Sacramento to Punta Cana flights
Ontario to Puerto Plata flights

Top 3 airlines flying from San Francisco to Saint Lucia

Discover the top 3 airlines that operate flights from San Francisco to Saint Lucia. 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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$425Average$771FlexibilityNo cancel feeOn-time71%
DeltaCheapest$517Average$800FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$529Average$815FlexibilityNo cancel feeOn-time62%

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.