What is the cheapest airline that flies from San Francisco to Caribbean Islands?

Frontier, Southwest, and JetBlue are the most popular carriers operating from San Francisco to Caribbean Islands

What airlines fly to Caribbean Islands?

American Airlines, United Airlines and JetBlue are the top three most popular airlines that fly to Caribbean Islands from San Francisco according to our data. American Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Caribbean Islands. Keep in mind that there are 11 different airlines that fly to Caribbean Islands 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 Caribbean Islands?

Prices for flights from San Francisco Airport to Caribbean Islands are refreshed on a daily basis.

How many operators does momondo search for flights from San Francisco Airport to Caribbean Islands?

The number of operators available for flights from San Francisco Airport to Caribbean Islands is 11 as of July 2026.

How old do you have to be to fly from San Francisco Airport to Caribbean Islands?

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 Caribbean Islands.

What documentation or ID do you need to fly to Caribbean Islands?

The necessary travel and health documents for your Caribbean Islands 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.

$152 Cheap Flights from San Francisco to Caribbean Islands in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Francisco to Caribbean Islands

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:05 pm - 2:16 pm

SFO

SJU

12h 11m

1 stop

1:43 pm - 11:51 pm

SJU

SFO

13h 08m

1 stop

$451Multiple Airlines

Fri, Aug 14 - Wed, Aug 19

11:05 pm - 2:16 pm

SFO

SJU

12h 11m

1 stop

5:00 pm - 11:51 pm

SJU

SFO

9h 51m

1 stop

$453Multiple Airlines

Mon, Aug 17 - Tue, Aug 25

10:30 am - 10:13 pm

SFO

SJU

8h 43m

1 stop

2:50 pm - 11:30 pm

SJU

SFO

11h 40m

1 stop

$454JetBlue

Wed, Oct 21 - Mon, Oct 26

10:48 pm - 2:46 pm

SFO

SJU

12h 58m

1 stop

9:00 am - 11:17 pm

SJU

SFO

17h 17m

1 stop

$456Multiple Airlines

Mon, Oct 12 - Wed, Oct 21

9:45 pm - 3:29 pm

SFO

SJU

14h 44m

1 stop

2:35 pm - 11:17 pm

SJU

SFO

11h 42m

1 stop

$459JetBlue

Sun, Oct 11 - Tue, Oct 20

7:36 pm - 12:18 pm

SFO

CUR

12h 42m

1 stop

3:34 pm - 11:12 pm

CUR

SFO

11h 38m

1 stop

$536Copa Airlines

Tue, Nov 3 - Thu, Nov 12

9:35 pm - 1:40 pm

SFO

CUR

13h 05m

1 stop

2:41 pm - 11:59 pm

CUR

SFO

12h 18m

1 stop

$540American Airlines

Thu, Aug 27 - Thu, Sep 10

8:21 pm - 2:25 am

SFO

SDQ

27h 04m

1 stop

12:12 pm - 11:40 pm

SDQ

SFO

14h 28m

1 stop

$550Copa Airlines

Sun, Oct 18 - Wed, Oct 21

5:01 pm - 4:22 pm

SFO

CUR

19h 21m

2 stops

5:46 pm - 10:16 am

CUR

SFO

20h 30m

2 stops

$553American Airlines

Tue, Nov 3 - Thu, Nov 12

10:50 pm - 11:07 am

SFO

STT

33h 17m

2 stops

12:07 pm - 8:05 am

STT

SFO

22h 58m

2 stops

$631United Airlines

Thu, Oct 22 - Wed, Oct 28

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Frontier flights from San Francisco to Caribbean Islands

Our best Frontier deals on San Francisco to Caribbean Islands flight tickets

Frontier

Aug 4

SFO10:10 pmSan Francisco

13h 06m

1 stop

SJU2:16 pmSan Juan Luis Munoz Marin Intl

Aug 10

SJU3:10 amSan Juan Luis Munoz Marin Intl

34h 15m

2 stops

SFO10:25 amSan Francisco

$458

Frontier

Aug 6

SFO10:18 pmSan Francisco

12h 58m

1 stop

SJU2:16 pmSan Juan Luis Munoz Marin Intl

Aug 10

SJU3:10 amSan Juan Luis Munoz Marin Intl

34h 15m

2 stops

SFO10:25 amSan Francisco

$459

Frontier

Aug 22

SFO10:35 pmSan Francisco

12h 41m

1 stop

SJU2:16 pmSan Juan Luis Munoz Marin Intl

Aug 29

SJU5:37 pmSan Juan Luis Munoz Marin Intl

28h 26m

2 stops

SFO7:03 pmSan Francisco

$462

Southwest flights from San Francisco to Caribbean Islands

Our best Southwest deals on San Francisco to Caribbean Islands flight tickets

Southwest

Aug 30

SFO10:30 pmSan Francisco

13h 00m

1 stop

SJU2:30 pmSan Juan Luis Munoz Marin Intl

Sep 6

SJU6:30 amSan Juan Luis Munoz Marin Intl

12h 00m

2 stops

SFO3:30 pmSan Francisco

$460

Southwest

Oct 22

SFO8:40 amSan Francisco

12h 40m

2 stops

SJU12:20 amSan Juan Luis Munoz Marin Intl

Oct 31

SJU7:45 amSan Juan Luis Munoz Marin Intl

12h 30m

2 stops

SFO5:15 pmSan Francisco

$493

Southwest

Aug 19

SFO5:50 amSan Francisco

12h 15m

2 stops

SJU9:05 pmSan Juan Luis Munoz Marin Intl

Aug 26

SJU5:15 amSan Juan Luis Munoz Marin Intl

11h 35m

2 stops

SFO1:50 pmSan Francisco

$496

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Fri 8/14

11:05 pm-2:16 pm

1 stop12h 11m

San Juan Luis Munoz Marin Intl

Wed 8/19

1:43 pm-11:51 pm

1 stop13h 08m

$451

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Mon 8/17

11:05 pm-2:16 pm

1 stop12h 11m

San Juan Luis Munoz Marin Intl

Tue 8/25

5:00 pm-11:51 pm

1 stop9h 51m

$453

Quickest round-trip

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Wed 10/21

10:30 am-10:13 pm

1 stop8h 43m

San Juan Luis Munoz Marin Intl

Mon 10/26

2:50 pm-11:30 pm

1 stop11h 40m

$454

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Mon 10/12

10:48 pm-2:46 pm

1 stop12h 58m

San Juan Luis Munoz Marin Intl

Wed 10/21

9:00 am-11:17 pm

1 stop17h 17m

$456

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sun 10/11

9:45 pm-3:29 pm

1 stop14h 44m

San Juan Luis Munoz Marin Intl

Tue 10/20

2:35 pm-11:17 pm

1 stop11h 42m

$459

San FranciscoWillemstad

SFO - CUR

SFOCUR

San Francisco

Tue 11/3

7:36 pm-12:18 pm

1 stop12h 42m

Willemstad Hato Int.

Thu 11/12

3:34 pm-11:12 pm

1 stop11h 38m

$536

San FranciscoWillemstad

SFO - CUR

SFOCUR

San Francisco

Thu 8/27

9:35 pm-1:40 pm

1 stop13h 05m

Willemstad Hato Int.

Thu 9/10

2:41 pm-11:59 pm

1 stop12h 18m

$540

San FranciscoSanto Domingo

SFO - SDQ

SFOSDQ

San Francisco

Sun 10/18

8:21 pm-2:25 am

1 stop27h 04m

Santo Domingo Las Americas

Wed 10/21

12:12 pm-11:40 pm

1 stop14h 28m

$550

San FranciscoWillemstad

SFO - CUR

SFOCUR

San Francisco

Tue 11/3

5:01 pm-4:22 pm

2 stops19h 21m

Willemstad Hato Int.

Thu 11/12

5:46 pm-10:16 am

2 stops20h 30m

$553

San FranciscoSaint Thomas Island

SFO - STT

SFOSTT

San Francisco

Thu 10/22

10:50 pm-11:07 am

2 stops33h 17m

Saint Thomas Island Cyril E King

Wed 10/28

12:07 pm-8:05 am

2 stops22h 58m

$631

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 Caribbean Islands

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 Caribbean Islands?

The month of February is, on average, the cheapest month to fly to Caribbean Islands from San Francisco, with most prices found around $638. The month of September is another great option to travel to Caribbean Islands, with average flight prices from San Francisco averaging around $659.

How far in advance should I book a flight from San Francisco to Caribbean Islands?

You are more likely to see cheaper flights to Caribbean Islands from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Caribbean Islands for around $533 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Caribbean Islands from San Francisco for as low as $472 on momondo.

Can stopping save me money on San Francisco to Caribbean Islands flights?

No. A direct flight is the cheapest option for a flight between San Francisco to Caribbean Islands.

Cheap San Francisco to Caribbean Islands flight deals and tips

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

Fastest flight time	8h 15m
Direct flights	None

The fastest flight from San Francisco to Caribbean Islands takes 8h 15m

There are no direct flights from San Francisco to Caribbean Islands. There are no popular flight routes from San Francisco to Caribbean Islands.

Search flight deals

Frequently asked questions about flying from San Francisco to Caribbean Islands

When did momondo last update prices for flights from San Francisco Airport to Caribbean Islands?
Prices for flights from San Francisco Airport to Caribbean Islands are refreshed on a daily basis.
How many operators does momondo search for flights from San Francisco Airport to Caribbean Islands?
The number of operators available for flights from San Francisco Airport to Caribbean Islands is 11 as of July 2026.
How old do you have to be to fly from San Francisco Airport to Caribbean Islands?
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 Caribbean Islands.
What documentation or ID do you need to fly to Caribbean Islands?
The necessary travel and health documents for your Caribbean Islands 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.
What is the most popular plane model from San Francisco to Caribbean Islands?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from San Francisco to Caribbean Islands is Boeing 777 (9.75% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (8.87%), Boeing 777-300ER (8.43%), and Boeing 787-9 Dreamliner (6.85%).

Best airlines flying from San Francisco to Caribbean Islands

Compare and see reviews for airlines that fly from San Francisco to Caribbean Islands with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $122	Free Cancellation	Rating 5.6 2,759 reviews	Search Frontier flights
Delta	PriceFrom $204	Free Cancellation	Rating 7.8 8,487 reviews	Search Delta flights
Sun Country Air	PriceFrom $222	Free Cancellation	Rating 6.7 320 reviews	Search Sun Country Air flights
JetBlue	PriceFrom $234	Free Cancellation	Rating 7.1 3,026 reviews	Search JetBlue flights
Avianca	PriceFrom $313	Free Cancellation	Rating 6.5 2,522 reviews	Search Avianca flights
Alaska Airlines	PriceFrom $351	Free Cancellation	Rating 7.9 12,717 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $355	Free Cancellation	Rating 7.4 10,041 reviews	Search United Airlines flights
American Airlines	PriceFrom $369	Free Cancellation	Rating 7.1 11,843 reviews	Search American Airlines flights
Copa Airlines	PriceFrom $386	Free Cancellation	Rating 7.6 1,561 reviews	Search Copa Airlines flights
Southwest	PriceFrom $406	Free Cancellation	Rating 8.0 4,230 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Caribbean Islands?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Francisco to Caribbean Islands for you.

Can I find flights from San Francisco to Caribbean Islands with flexible booking policies on momondo?

Yes. All flights to Caribbean Islands from San Francisco on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from San Francisco to Caribbean Islands?

Once all potential San Francisco to Caribbean Islands flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Caribbean Islands 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.