$186+ Cheap flights from San Francisco (SFO) to San Juan
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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SJU
Jul 5 — Jul 121
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to San Juan with Cheapflights
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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
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Cheapest flights from San Francisco to San JuanExplore the most affordable flight options available from San Francisco to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 5, 2026.
Explore the most affordable flight options available from San Francisco to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 5, 2026.
This Priceline deal was found by Cheapflights users on 6/4. 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.
Tue 8/2510:15 pm
SFO
- SJU
1 stop13h 00m
Multiple Airlines
Tue 9/221:00 pm
SJU
- SFO
1 stop13h 31m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$411
This Expedia deal was found by Cheapflights users on 6/1. 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 8/1511:00 pm
SFO
- SJU
1 stop12h 16m
Multiple Airlines
Wed 8/194:58 pm
SJU
- SFO
1 stop9h 52m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$431
This CheapOair deal was found by Cheapflights users on 6/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3010:15 pm
SFO
- SJU
1 stop13h 00m
Multiple Airlines
Wed 9/162:30 pm
SJU
- SFO
1 stop11h 47m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$436
This Super.com deal was found by Cheapflights users on 6/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:57 am
SFO
- SJU
1 stop9h 21m
JetBlue
Wed 8/264:58 pm
SJU
- SFO
1 stop9h 52m
JetBlue
Deal found 6/2![JetBlue logo]()
$440
This CheapOair deal was found by Cheapflights users on 6/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1711:05 pm
SFO
- SJU
1 stop12h 10m
Multiple Airlines
Sat 8/224:58 pm
SJU
- SFO
1 stop9h 52m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$441
This Cheapflightsfares deal was found by Cheapflights users on 6/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:57 am
SFO
- SJU
1 stop9h 21m
JetBlue
Tue 9/14:58 pm
SJU
- SFO
1 stop9h 52m
JetBlue
Deal found 6/4![JetBlue logo]()
$442
This Southwest deal was found by Cheapflights users on 6/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:25 pm
SFO
- SJU
2 stops12h 35m
Southwest
Thu 8/135:00 am
SJU
- SFO
2 stops12h 10m
Southwest
Deal found 6/3![Southwest logo]()
$446
This JetBlue deal was found by Cheapflights users on 6/2. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2210:57 am
SFO
- SJU
1 stop9h 21m
JetBlue
Thu 8/274:58 pm
SJU
- SFO
1 stop9h 52m
JetBlue
Deal found 6/2![JetBlue logo]()
$447
This Priceline deal was found by Cheapflights users on 6/1. 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.
Fri 8/711:00 pm
SFO
- SJU
1 stop12h 16m
Multiple Airlines
Fri 8/144:58 pm
SJU
- SFO
1 stop9h 52m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$451
This CheapOair deal was found by Cheapflights users on 6/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/910:40 pm
SFO
- SJU
1 stop13h 41m
JetBlue
Sat 8/154:58 pm
SJU
- SFO
1 stop9h 52m
JetBlue
Deal found 6/3![JetBlue logo]()
$453
Best flights from San Francisco to San JuanDiscover carefully curated flight deals from San Francisco to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 5, 2026.
Discover carefully curated flight deals from San Francisco to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 5, 2026.
This JetBlue deal was found by Cheapflights users on 6/4. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:57 am
SFO
- SJU
1 stop9h 21m
JetBlue
Tue 8/253:01 pm
SJU
- SFO
1 stop11h 49m
JetBlue
Deal found 6/4![JetBlue logo]()
$457
This Southwest deal was found by Cheapflights users on 6/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/148:25 am
SFO
- SJU
2 stops12h 55m
Southwest
Mon 7/205:00 am
SJU
- SFO
2 stops11h 40m
Southwest
Deal found 6/2![Southwest logo]()
$624
This United Airlines deal was found by Cheapflights users on 6/5. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/105:00 am
SFO
- SJU
1 stop9h 38m
United Airlines
Sun 6/144:55 pm
SJU
- SFO
1 stop11h 20m
United Airlines
Deal found 6/5![United Airlines logo]()
$625
This Delta deal was found by Cheapflights users on 6/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:28 pm
SFO
- SJU
2 stops16h 14m
Delta
Mon 9/77:30 am
SJU
- SFO
2 stops17h 29m
Delta
Deal found 6/2![Delta logo]()
$732
This JetBlue deal was found by Cheapflights users on 6/4. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:57 am
SFO
- SJU
1 stop9h 21m
JetBlue
Sat 8/294:58 pm
SJU
- SFO
1 stop9h 52m
JetBlue
Deal found 6/4![JetBlue logo]()
$457
This Southwest deal was found by Cheapflights users on 6/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/228:25 am
SFO
- SJU
2 stops12h 55m
Southwest
Mon 7/275:30 am
SJU
- SFO
1 stop15h 00m
Southwest
Deal found 6/1![Southwest logo]()
$624
This United Airlines deal was found by Cheapflights users on 6/5. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/95:00 am
SFO
- SJU
1 stop9h 38m
United Airlines
Sun 6/144:55 pm
SJU
- SFO
1 stop11h 20m
United Airlines
Deal found 6/5![United Airlines logo]()
$625
This Southwest deal was found by Cheapflights users on 5/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/45:00 am
SFO
- SJU
2 stops13h 00m
Southwest
Thu 7/239:50 am
SJU
- SFO
2 stops11h 25m
Southwest
Deal found 5/31![Southwest logo]()
$647
This JetBlue deal was found by Cheapflights users on 6/5. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/411:00 am
SFO
- SJU
1 stop9h 59m
JetBlue
Fri 7/105:00 pm
SJU
- SFO
1 stop9h 51m
JetBlue
Deal found 6/5![JetBlue logo]()
$658
This Southwest deal was found by Cheapflights users on 6/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/45:20 am
SFO
- SJU
2 stops12h 40m
Southwest
Sat 7/119:10 am
SJU
- SFO
2 stops15h 05m
Southwest
Deal found 6/4![Southwest logo]()
$664
This United Airlines deal was found by Cheapflights users on 6/3. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1111:30 pm
SFO
- SJU
1 stop12h 14m
United Airlines
Mon 6/151:25 pm
SJU
- SFO
1 stop12h 34m
United Airlines
Deal found 6/3![United Airlines logo]()
$783
Last-minute flights from San Francisco to San JuanDiscover last-minute flight deals from San Francisco to San Juan. Data last updated June 5, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to San Juan. Data last updated June 5, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 6/5. 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.
Fri 7/310:10 pm
SFO
- SJU
1 stop13h 05m
Multiple Airlines
Fri 7/107:00 am
SJU
- SFO
1 stop19h 51m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$471
This JetBlue deal was found by Cheapflights users on 6/2. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/411:00 am
SFO
- SJU
1 stop9h 59m
JetBlue
Thu 7/95:00 pm
SJU
- SFO
1 stop9h 51m
JetBlue
Deal found 6/2![JetBlue logo]()
$475
This Travelocity deal was found by Cheapflights users on 5/31. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/611:00 pm
SFO
- SJU
1 stop12h 16m
Multiple Airlines
Wed 8/124:58 pm
SJU
- SFO
1 stop9h 52m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$481
This American Airlines deal was found by Cheapflights users on 6/3. 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.
Mon 7/66:45 am
SFO
- SJU
2 stops12h 14m
American Airlines
Wed 8/126:00 am
SJU
- SFO
2 stops13h 02m
American Airlines
Deal found 6/3![American Airlines logo]()
$495
This American Airlines deal was found by Cheapflights users on 6/2. 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 7/95:00 am
SFO
- SJU
1 stop14h 59m
American Airlines
Tue 7/147:14 pm
SJU
- SFO
1 stop18h 10m
American Airlines
Deal found 6/2![American Airlines logo]()
$501
This Priceline deal was found by Cheapflights users on 6/5. 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 7/1111:00 pm
SFO
- SJU
1 stop12h 16m
Multiple Airlines
Thu 11/122:00 pm
SJU
- SFO
1 stop11h 39m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$506
This Priceline deal was found by Cheapflights users on 6/3. 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.
Tue 7/148:00 am
SFO
- SJU
1 stop13h 13m
JetBlue
Tue 7/211:10 pm
SJU
- SFO
1 stop14h 28m
JetBlue
Deal found 6/3![JetBlue logo]()
$447
This American Airlines deal was found by Cheapflights users on 6/1. 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.
Fri 7/175:00 am
SFO
- SJU
1 stop14h 59m
American Airlines
Thu 8/67:24 pm
SJU
- SFO
1 stop18h 10m
American Airlines
Deal found 6/1![American Airlines logo]()
$470
This CheapOair deal was found by Cheapflights users on 5/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2010:40 pm
SFO
- SJU
1 stop18h 47m
JetBlue
Wed 7/295:35 am
SJU
- SFO
1 stop31h 13m
JetBlue
Deal found 5/31![JetBlue logo]()
$499
This Orbitz deal was found by Cheapflights users on 6/4. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2511:00 pm
SFO
- SJU
1 stop12h 16m
Multiple Airlines
Wed 7/295:00 pm
SJU
- SFO
1 stop9h 51m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$483
This American Airlines deal was found by Cheapflights users on 6/5. 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.
Mon 7/275:00 am
SFO
- SJU
1 stop14h 59m
American Airlines
Wed 8/126:00 am
SJU
- SFO
2 stops13h 00m
American Airlines
Deal found 6/5![American Airlines logo]()
$480
One-way flights from San Francisco to San JuanSearch for one-way flight options from San Francisco to San Juan. Find affordable one-way fares based on user searches. Data last updated June 5, 2026.
Search for one-way flight options from San Francisco to San Juan. Find affordable one-way fares based on user searches. Data last updated June 5, 2026.
This Super.com deal was found by Cheapflights users on 6/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:15 pm
SFO
- SJU
1 stop13h 00m
Frontier
Deal found 6/5![Frontier logo]()
$186
This Frontier deal was found by Cheapflights users on 6/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1211:00 pm
SFO
- SJU
1 stop12h 16m
Frontier
Deal found 6/3![Frontier logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1412:29 am
SFO
- SJU
2 stops36h 36m
Frontier
Deal found 6/2![Frontier logo]()
$205
This Frontier deal was found by Cheapflights users on 6/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2511:00 pm
SFO
- SJU
1 stop12h 16m
Frontier
Deal found 6/4![Frontier logo]()
$208
This Cheapflightsfares deal was found by Cheapflights users on 6/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/411:00 am
SFO
- SJU
1 stop9h 59m
JetBlue
Deal found 6/3![JetBlue logo]()
$219
This Southwest deal was found by Cheapflights users on 6/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/61:55 pm
SFO
- SJU
2 stops16h 15m
Southwest
Deal found 6/1![Southwest logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/133:43 pm
SFO
- SJU
2 stops29h 45m
Frontier
Deal found 6/3![Frontier logo]()
$225
This Super.com deal was found by Cheapflights users on 6/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2710:10 pm
SFO
- SJU
1 stop13h 05m
Frontier
Deal found 6/2![Frontier logo]()
$226
This Frontier deal was found by Cheapflights users on 6/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/610:10 pm
SFO
- SJU
1 stop13h 06m
Frontier
Deal found 6/4![Frontier logo]()
$228
Find flight deals from San Francisco to San Juan
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to San Juan (PR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 5, 2026.
Round-trip from | $411 (Priceline) |
|---|---|
One-way from | $186 (Super.com) |
Popular in | December |
Cheapest in | September |
Average price | $558 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco to San Juan 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 June 5, 2026.
Use the filters below to find and compare flights from San Francisco to San Juan that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Wed 8/19
10:57 am-11:18 pm
1 stop9h 21m
San Juan Luis Munoz Marin Intl
Tue 8/25
3:01 pm-11:50 pm
1 stop11h 49m
$457
Quickest round-trip
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Wed 8/19
10:57 am-11:18 pm
1 stop9h 21m
San Juan Luis Munoz Marin Intl
Sat 8/29
4:58 pm-11:50 pm
1 stop9h 52m
$457
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Tue 7/14
8:25 am-12:20 am
2 stops12h 55m
San Juan Luis Munoz Marin Intl
Mon 7/20
5:00 am-1:40 pm
2 stops11h 40m
$624
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Wed 7/22
8:25 am-12:20 am
2 stops12h 55m
San Juan Luis Munoz Marin Intl
Mon 7/27
5:30 am-5:30 pm
1 stop15h 00m
$624
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Wed 6/10
5:00 am-5:38 pm
1 stop9h 38m
San Juan Luis Munoz Marin Intl
Sun 6/14
4:55 pm-1:15 am
1 stop11h 20m
$625
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Tue 6/9
5:00 am-5:38 pm
1 stop9h 38m
San Juan Luis Munoz Marin Intl
Sun 6/14
4:55 pm-1:15 am
1 stop11h 20m
$625
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Sat 7/4
5:00 am-9:00 pm
2 stops13h 00m
San Juan Luis Munoz Marin Intl
Thu 7/23
9:50 am-6:15 pm
2 stops11h 25m
$647
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Sat 7/4
11:00 am-11:59 pm
1 stop9h 59m
San Juan Luis Munoz Marin Intl
Fri 7/10
5:00 pm-11:51 pm
1 stop9h 51m
$658
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Sat 7/4
5:20 am-9:00 pm
2 stops12h 40m
San Juan Luis Munoz Marin Intl
Sat 7/11
9:10 am-9:15 pm
2 stops15h 05m
$664
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Sun 8/30
6:28 pm-1:42 pm
2 stops16h 14m
San Juan Luis Munoz Marin Intl
Mon 9/7
7:30 am-9:59 pm
2 stops17h 29m
$732
Showing 1-10 of 20 resultsSorted by cheapest first
Best time to book a flight from San Francisco to San Juan
Have a flexible travel schedule? Discover the best time to fly to San Juan from San Francisco with our price prediction graph.
SFO-PR1
SFO-SJU
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 San Juan
SFO-PR1
SFO-SJU
What is the cheapest month to book a flight from San Francisco to San Juan?
Currently, May is the cheapest month in which you can book a flight from San Francisco to San Juan (average of $97). Flying from San Francisco to San Juan in February is currently the most expensive (average of $263). 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.
How much does it cost to fly round-trip from San Francisco to San Juan?
How far ahead should I book a flight from San Francisco to San Juan?
The best time to book flights from San Francisco to San Juan is 72 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Reviews of airlines servicing San Juan
Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated June 5, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican Airlines from San Francisco to San Juan 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.
Boarding
8.1
Food
7.2
Overall
7.9
Entertainment
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Food
7.2
Overall
7.9
Entertainment
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Food
7.2
Overall
7.9
Entertainment
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Food
7.2
Overall
7.9
Entertainment
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Food
7.2
Overall
7.9
Entertainment
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Food
7.2
Overall
7.9
Entertainment
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from San Francisco to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for San Francisco to San Juan
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Complete your trip
Complete your trip to San Juan by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from San Francisco to San Juan, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Francisco and San Juan flights
Browse other San Francisco and San Juan flight options. Last updated on June 5, 2026.
Other flights from San Francisco
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on June 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 8 airlines flying from San Francisco to San Juan
Discover the top 8 airlines that operate flights from San Francisco to San Juan. 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 June 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$134 | Average$387 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$185 | Average$470 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$222 | Average$748 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$277 | Average$413 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$344 | Average$543 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$351 | Average$756 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$364 | Average$575 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$398 | Average$593 | FlexibilityNo cancel fee | On-time63% |