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Cheap flights from San Francisco to San Juan from $178

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 San Juan departing on 2/6. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
11:20 pm - 3:01 pmSFO-SJU
11h 41m1 stop
Frontier Logo
7:35 am - 3:14 pmSJU-SFO
11h 39m1 stop
$343Frontier
Find Deal
Wed, Dec 31 - Sat, Jan 10
JetBlue Logo
11:30 pm - 10:25 pmSFO-SJU
18h 55m1 stop
JetBlue Logo
5:10 am - 4:42 pmSJU-SFO
15h 32m1 stop
$346JetBlue
Find Deal
Fri, Feb 20 - Thu, Feb 26
Southwest Logo
5:30 am - 9:05 pmSFO-SJU
12h 35m2 stops
Southwest Logo
5:05 am - 7:50 pmSJU-SFO
17h 45m2 stops
$348Southwest
Find Deal
Wed, May 6 - Tue, May 19
Delta Logo
10:54 pm - 2:10 pmSFO-SJU
11h 16m1 stop
Delta Logo
4:30 pm - 11:47 pmSJU-SFO
11h 17m1 stop
$349Delta
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Wed, Jan 7 - Fri, Jan 16
JetBlue Logo
8:00 am - 3:30 pmSFO-SJU
27h 30m1 stop
JetBlue Logo
6:05 am - 2:12 pmSJU-SFO
12h 07m1 stop
$350JetBlue
Find Deal
Sat, Jan 24 - Thu, Jan 29
JetBlue Logo
8:00 am - 11:44 pmSFO-SJU
11h 44m1 stop
JetBlue Logo
6:00 am - 11:58 pmSJU-SFO
21h 58m1 stop
$352JetBlue
Find Deal
Tue, Feb 24 - Tue, Mar 3
Multiple Airlines Logo
7:00 am - 1:49 pmSFO-SJU
26h 49m2 stops
Multiple Airlines Logo
7:50 pm - 3:06 pmSJU-SFO
23h 16m1 stop
$353Multiple Airlines
Find Deal
Sat, Jan 10 - Wed, Jan 14
Multiple Airlines Logo
4:01 pm - 12:27 pmSFO-SJU
16h 26m1 stop
Multiple Airlines Logo
4:36 pm - 11:41 pmSJU-SFO
35h 05m2 stops
$356Multiple Airlines
Find Deal
Thu, Jan 15 - Mon, Jan 26
Multiple Airlines Logo
4:01 pm - 12:27 pmSFO-SJU
16h 26m1 stop
Multiple Airlines Logo
4:36 pm - 11:41 pmSJU-SFO
35h 05m2 stops
$357Multiple Airlines
Find Deal
Thu, Jan 15 - Mon, Jan 26
Multiple Airlines Logo
4:01 pm - 12:27 pmSFO-SJU
16h 26m1 stop
Multiple Airlines Logo
4:36 pm - 11:41 pmSJU-SFO
35h 05m2 stops
$358Multiple Airlines
Find Deal
Thu, Jan 15 - Mon, Jan 26

American Airlines flights from San Francisco to San Juan Luis Munoz Marin Intl Airport

Our best American Airlines deals on San Francisco to San Juan Luis Munoz Marin Intl Airport flight tickets
American Airlines
Jan 12
SFO12:17 amSan Francisco
12h 44m
2 stops
SJU5:01 pmSan Juan Luis Munoz Marin Intl
Jan 27
SJU7:07 amSan Juan Luis Munoz Marin Intl
12h 54m
1 stop
SFO4:01 pmSan Francisco
$359
Find similar
American Airlines
Dec 10
SFO7:15 amSan Francisco
10h 54m
1 stop
SJU10:09 pmSan Juan Luis Munoz Marin Intl
Jan 13
SJU6:30 amSan Juan Luis Munoz Marin Intl
17h 05m
1 stop
SFO7:35 pmSan Francisco
$382
Find similar
American Airlines
Feb 15
SFO11:59 pmSan Francisco
13h 26m
1 stop
SJU5:25 pmSan Juan Luis Munoz Marin Intl
Feb 21
SJU7:00 amSan Juan Luis Munoz Marin Intl
14h 15m
2 stops
SFO5:15 pmSan Francisco
$384
Find similar

JetBlue flights from San Francisco to San Juan Luis Munoz Marin Intl Airport

Our best JetBlue deals on San Francisco to San Juan Luis Munoz Marin Intl Airport flight tickets
JetBlue
Feb 20
SFO11:30 pmSan Francisco
18h 55m
1 stop
SJU10:25 pmSan Juan Luis Munoz Marin Intl
Feb 26
SJU5:10 amSan Juan Luis Munoz Marin Intl
15h 32m
1 stop
SFO4:42 pmSan Francisco
$346
Find similar
JetBlue
Jan 24
SFO8:00 amSan Francisco
27h 30m
1 stop
SJU3:30 pmSan Juan Luis Munoz Marin Intl
Jan 29
SJU6:05 amSan Juan Luis Munoz Marin Intl
12h 07m
1 stop
SFO2:12 pmSan Francisco
$350
Find similar
JetBlue
Feb 24
SFO8:00 amSan Francisco
11h 44m
1 stop
SJU11:44 pmSan Juan Luis Munoz Marin Intl
Mar 3
SJU6:00 amSan Juan Luis Munoz Marin Intl
21h 58m
1 stop
SFO11:58 pmSan Francisco
$352
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to San Juan Luis Munoz Marin Intl Airport 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 November 26, 2025.
Use the filters below to find and compare flights from San Francisco to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Wed 12/31

11:20 pm-3:01 pm

1 stop11h 41m

San Juan Luis Munoz Marin Intl

Sat 1/10

7:35 am-3:14 pm

1 stop11h 39m

$343

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Fri 2/20

11:30 pm-10:25 pm

1 stop18h 55m

San Juan Luis Munoz Marin Intl

Thu 2/26

5:10 am-4:42 pm

1 stop15h 32m

$346

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Wed 5/6

5:30 am-9:05 pm

2 stops12h 35m

San Juan Luis Munoz Marin Intl

Tue 5/19

5:05 am-7:50 pm

2 stops17h 45m

$348

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Wed 1/7

10:54 pm-2:10 pm

1 stop11h 16m

San Juan Luis Munoz Marin Intl

Fri 1/16

4:30 pm-11:47 pm

1 stop11h 17m

$349

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sat 1/24

8:00 am-3:30 pm

1 stop27h 30m

San Juan Luis Munoz Marin Intl

Thu 1/29

6:05 am-2:12 pm

1 stop12h 07m

$350

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Tue 2/24

8:00 am-11:44 pm

1 stop11h 44m

San Juan Luis Munoz Marin Intl

Tue 3/3

6:00 am-11:58 pm

1 stop21h 58m

$352

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sat 1/10

7:00 am-1:49 pm

2 stops26h 49m

San Juan Luis Munoz Marin Intl

Wed 1/14

7:50 pm-3:06 pm

1 stop23h 16m

$353

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Thu 1/15

4:01 pm-12:27 pm

1 stop16h 26m

San Juan Luis Munoz Marin Intl

Mon 1/26

4:36 pm-11:41 pm

2 stops35h 05m

$356

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Thu 1/15

4:01 pm-12:27 pm

1 stop16h 26m

San Juan Luis Munoz Marin Intl

Mon 1/26

4:36 pm-11:41 pm

2 stops35h 05m

$357

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Thu 1/15

4:01 pm-12:27 pm

1 stop16h 26m

San Juan Luis Munoz Marin Intl

Mon 1/26

4:36 pm-11:41 pm

2 stops35h 05m

$358

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from San Francisco to San Juan Luis Munoz Marin Intl Airport

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 typical price of a round-trip flight between San Francisco and San Juan Luis Munoz Marin Intl Airport?

What is the cheapest month to fly to San Juan Luis Munoz Marin Intl Airport?

If you aren’t able to travel to San Juan Luis Munoz Marin Intl Airport during the month of May, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $439.

What is the cheapest day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

On average, the least expensive day to fly to San Juan Luis Munoz Marin Intl Airport from San Francisco is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $456. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from San Francisco because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $573.

What is the cheapest time of day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

The cheapest time of day to fly to San Juan Luis Munoz Marin Intl Airport is at noon when flights can be purchased for as low as $377. Flights in the morning are often more expensive with an average ticket price of $549.

How far in advance should I book a flight to San Juan Luis Munoz Marin Intl Airport?

You are more likely to see cheaper flights to San Juan Luis Munoz Marin Intl Airport from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan Luis Munoz Marin Intl Airport for around $490 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan Luis Munoz Marin Intl Airport from San Francisco for as low as $432 on momondo.

How have San Francisco to San Juan Luis Munoz Marin Intl Airport flight prices changed over time?

As of November 2025, prices for San Francisco to San Juan Luis Munoz Marin Intl Airport flights are approximately 5% more expensive when compared to flights at the same time last year.

When to book flights from San Francisco to San Juan Luis Munoz Marin Intl Airport

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

Cheap San Francisco to San Juan Luis Munoz Marin Intl Airport (SFO to SJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to San Juan Luis Munoz Marin Intl Airport

Fastest flight time

10h 10m

Direct flights

None
The fastest flight from San Francisco to San Juan Luis Munoz Marin Intl Airport takes 10h 10m
There are no direct flights from San Francisco to San Juan Luis Munoz Marin Intl Airport. There are no popular flight routes from San Francisco to San Juan Luis Munoz Marin Intl Airport.
Search flight deals

  • How far is San Francisco to San Juan Luis Munoz Marin Intl by plane?

    San Francisco and San Juan Luis Munoz Marin Intl are 3625.8 mi apart from one another. Flights usually cover this in 9h 46m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from San Francisco Airport to San Juan Luis Munoz Marin Intl Airport?

    Prices for flights from San Francisco Airport to San Juan Luis Munoz Marin Intl Airport were last updated today.

  • How many operators does momondo search for flights from San Francisco Airport to San Juan Luis Munoz Marin Intl Airport?

  • How old do you have to be to fly from San Francisco Airport to San Juan Luis Munoz Marin Intl 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 San Juan Luis Munoz Marin Intl Airport.

  • What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?

    The travel and health documents you'll need for your trip to San Juan Luis Munoz Marin Intl 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 San Juan Luis Munoz Marin Intl 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 San Juan Luis Munoz Marin Intl Airport?

Best airlines flying from San Francisco to San Juan Luis Munoz Marin Intl Airport

Compare and see reviews for airlines that fly from San Francisco to San Juan Luis Munoz Marin Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $160Free CancellationRating
5.8
3,100 reviews
Search Frontier flights
DeltaPriceFrom $240Free CancellationRating
7.9
7,998 reviews
Search Delta flights
Sun Country AirPriceFrom $286Free CancellationRating
6.9
333 reviews
Search Sun Country Air flights
JetBluePriceFrom $317Free CancellationRating
7.2
2,905 reviews
Search JetBlue flights
American AirlinesPriceFrom $349Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights
United AirlinesPriceFrom $366Free CancellationRating
7.4
9,046 reviews
Search United Airlines flights
SouthwestPriceFrom $412Free CancellationRating
8.0
4,253 reviews
Search Southwest flights

Traveling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Carolina
Fajardo
Dorado
Luquillo
Caguas
Humacao
Rio Grande
Bayamón

Why use momondo?

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

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 San Juan from San Francisco.

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

Flights from San Francisco to San Juan with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between San Francisco and San Juan 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 San Juan right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Francisco to San Juan flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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