$179+ Cheap flights from San Francisco (SFO) to Luis Munoz Marin Intl (SJU)
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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SJU
Apr 28 — May 51
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from San Francisco to Luis Munoz Marin Intl 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 Luis Munoz Marin Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Francisco to Luis Munoz Marin IntlExplore the most affordable flight options available from San Francisco to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 29, 2026.
Explore the most affordable flight options available from San Francisco to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 5/712:52 pm
SFO
- SJU
2 stops25h 34m
Multiple Airlines
Thu 5/145:45 am
SJU
- SFO
1 stop20h 19m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 5/111:16 pm
SFO
- SJU
2 stops21h 13m
Multiple Airlines
Tue 5/512:00 pm
SJU
- SFO
1 stop14h 04m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$370
This CheapOair deal was found by Cheapflights users on 3/27. 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 6/2210:15 pm
SFO
- SJU
1 stop13h 00m
Frontier
Sun 6/286:16 pm
SJU
- SFO
1 stop19h 13m
Frontier
Deal found 3/27![Frontier logo]()
$372
This Expedia deal was found by Cheapflights users on 3/25. 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 3/2910:38 pm
SFO
- SJU
1 stop12h 39m
Frontier
Thu 4/26:00 am
SJU
- SFO
1 stop16h 14m
Frontier
Deal found 3/25![Frontier logo]()
$373
This Priceline deal was found by Cheapflights users on 3/27. 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 4/2410:38 pm
SFO
- SJU
1 stop12h 55m
Multiple Airlines
Tue 4/287:40 am
SJU
- SFO
1 stop19h 16m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 4/1711:16 pm
SFO
- SJU
1 stop20h 54m
Multiple Airlines
Thu 4/2311:30 am
SJU
- SFO
2 stops33h 04m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$375
This CheapOair deal was found by Cheapflights users on 3/24. 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.
Wed 6/248:51 pm
SFO
- SJU
1 stop17h 30m
Frontier
Sun 6/283:06 am
SJU
- SFO
1 stop10h 23m
Frontier
Deal found 3/24![Frontier logo]()
$377
This Expedia deal was found by Cheapflights users on 3/27. 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.
Thu 5/288:44 pm
SFO
- SJU
1 stop32h 20m
Frontier
Mon 6/16:09 pm
SJU
- SFO
1 stop19h 32m
Frontier
Deal found 3/27![Frontier logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
Sat 5/210:38 pm
SFO
- SJU
1 stop15h 53m
Multiple Airlines
Tue 5/53:33 pm
SJU
- SFO
2 stops23h 09m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 3/28. 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.
Sun 4/2611:16 pm
SFO
- SJU
1 stop20h 54m
Multiple Airlines
Tue 5/56:30 am
SJU
- SFO
2 stops32h 12m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$380
This Frontier deal was found by Cheapflights users on 3/24. 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.
Sun 3/2910:38 pm
SFO
- SJU
1 stop9h 49m
Frontier
Tue 4/76:00 am
SJU
- SFO
1 stop16h 19m
Frontier
Deal found 3/24![Frontier logo]()
$381
Best flights from San Francisco to Luis Munoz Marin IntlDiscover carefully curated flight deals from San Francisco to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 29, 2026.
Discover carefully curated flight deals from San Francisco to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 29, 2026.
This Delta deal was found by Cheapflights users on 3/28. 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.
Tue 4/215:40 am
SFO
- SJU
2 stops14h 32m
Delta
Thu 4/302:03 pm
SJU
- SFO
2 stops12h 56m
Delta
Deal found 3/28![Delta logo]()
$450
This JetBlue deal was found by Cheapflights users on 3/23. 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.
Tue 4/148:00 am
SFO
- SJU
1 stop9h 49m
JetBlue
Fri 4/174:20 pm
SJU
- SFO
1 stop10h 36m
JetBlue
Deal found 3/23![JetBlue logo]()
$482
This Southwest deal was found by Cheapflights users on 3/26. 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 5/96:00 am
SFO
- SJU
2 stops12h 25m
Southwest
Thu 5/142:00 pm
SJU
- SFO
2 stops13h 20m
Southwest
Deal found 3/26![Southwest logo]()
$530
This United Airlines deal was found by Cheapflights users on 3/23. 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 4/147:00 am
SFO
- SJU
1 stop10h 38m
United Airlines
Wed 4/151:00 am
SJU
- SFO
1 stop11h 30m
United Airlines
Deal found 3/23![United Airlines logo]()
$540
This JetBlue deal was found by Cheapflights users on 3/25. 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.
Mon 5/411:05 pm
SFO
- SJU
1 stop12h 24m
JetBlue
Fri 5/810:55 pm
SJU
- SFO
1 stop14h 10m
JetBlue
Deal found 3/25![JetBlue logo]()
$489
This Delta deal was found by Cheapflights users on 3/25. 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.
Fri 4/105:01 pm
SFO
- SJU
2 stops14h 49m
Delta
Thu 4/167:30 am
SJU
- SFO
1 stop14h 39m
Delta
Deal found 3/25![Delta logo]()
$495
This United Airlines deal was found by Cheapflights users on 3/28. 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.
Sat 4/256:33 am
SFO
- SJU
2 stops14h 17m
United Airlines
Sat 5/27:00 am
SJU
- SFO
1 stop13h 12m
United Airlines
Deal found 3/28![United Airlines logo]()
$540
This Southwest deal was found by Cheapflights users on 3/24. 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.
Sun 5/246:05 pm
SFO
- SJU
2 stops12h 05m
Southwest
Fri 5/292:00 pm
SJU
- SFO
2 stops11h 25m
Southwest
Deal found 3/24![Southwest logo]()
$566
This Delta deal was found by Cheapflights users on 3/24. 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.
Tue 3/3111:35 pm
SFO
- SJU
1 stop9h 15m
Delta
Wed 4/86:15 am
SJU
- SFO
2 stops20h 44m
Delta
Deal found 3/24![Delta logo]()
$542
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Mon 5/47:05 pm
SFO
- SJU
2 stops13h 59m
United Airlines
Thu 5/71:00 am
SJU
- SFO
1 stop12h 25m
United Airlines
Deal found 3/26![United Airlines logo]()
$550
This Southwest deal was found by Cheapflights users on 3/23. 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 6/17:15 pm
SFO
- SJU
2 stops12h 20m
Southwest
Fri 6/55:00 am
SJU
- SFO
2 stops11h 40m
Southwest
Deal found 3/23![Southwest logo]()
$566
This United Airlines deal was found by Cheapflights users on 3/25. 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.
Sun 4/125:00 am
SFO
- SJU
1 stop9h 38m
United Airlines
Sat 4/187:20 am
SJU
- SFO
2 stops14h 18m
United Airlines
Deal found 3/25![United Airlines logo]()
$563
Last-minute flights from San Francisco to Luis Munoz Marin IntlDiscover last-minute flight deals from San Francisco to Luis Munoz Marin Intl. Data last updated March 29, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Luis Munoz Marin Intl. Data last updated March 29, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 3/25. 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 3/2910:38 pm
SFO
- SJU
1 stop12h 39m
Frontier
Thu 4/26:00 am
SJU
- SFO
1 stop16h 14m
Frontier
Deal found 3/25![Frontier logo]()
$373
This Frontier deal was found by Cheapflights users on 3/24. 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.
Sun 3/2910:38 pm
SFO
- SJU
1 stop9h 49m
Frontier
Tue 4/76:00 am
SJU
- SFO
1 stop16h 19m
Frontier
Deal found 3/24![Frontier logo]()
$381
This Priceline deal was found by Cheapflights users on 3/26. 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 3/3010:38 pm
SFO
- SJU
1 stop12h 24m
Frontier
Tue 4/76:00 am
SJU
- SFO
1 stop16h 19m
Frontier
Deal found 3/26![Frontier logo]()
$385
This Frontier deal was found by Cheapflights users on 3/24. 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.
Tue 3/3110:38 pm
SFO
- SJU
1 stop9h 42m
Frontier
Fri 4/106:00 am
SJU
- SFO
1 stop16h 19m
Frontier
Deal found 3/24![Frontier logo]()
$396
This CheapOair deal was found by Cheapflights users on 3/28. 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.
Tue 4/710:03 pm
SFO
- SJU
1 stop10h 17m
Frontier
Sat 4/116:00 am
SJU
- SFO
1 stop16h 19m
Frontier
Deal found 3/28![Frontier logo]()
$398
This Kiwi.com deal was found by Cheapflights users on 3/24. 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.
Tue 4/146:29 pm
SFO
- SJU
2 stops52h 32m
Multiple Airlines
Sat 5/95:45 am
SJU
- SFO
1 stop20h 19m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 3/26. 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.
Tue 4/146:00 am
SFO
- SJU
2 stops32h 59m
Multiple Airlines
Thu 4/235:45 am
SJU
- SFO
1 stop19h 46m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$401
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 4/1711:16 pm
SFO
- SJU
1 stop20h 54m
Multiple Airlines
Thu 4/2311:30 am
SJU
- SFO
2 stops33h 04m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$375
This Priceline deal was found by Cheapflights users on 3/27. 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 4/2410:38 pm
SFO
- SJU
1 stop12h 55m
Multiple Airlines
Tue 4/287:40 am
SJU
- SFO
1 stop19h 16m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 4/2411:16 pm
SFO
- SJU
1 stop20h 54m
Multiple Airlines
Sun 5/33:31 pm
SJU
- SFO
2 stops47h 11m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 3/28. 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.
Sun 4/2611:16 pm
SFO
- SJU
1 stop20h 54m
Multiple Airlines
Tue 5/56:30 am
SJU
- SFO
2 stops32h 12m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 3/23. 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 4/306:29 pm
SFO
- SJU
2 stops35h 24m
Multiple Airlines
Fri 5/85:45 am
SJU
- SFO
1 stop20h 19m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$395
One-way flights from San Francisco to Luis Munoz Marin IntlSearch for one-way flight options from San Francisco to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated March 29, 2026.
Search for one-way flight options from San Francisco to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated March 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
Wed 4/152:47 pm
SFO
- SJU
3 stops18h 36m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
Tue 6/911:52 pm
SFO
- SJU
1 stop26h 03m
Frontier
Deal found 3/25![Frontier logo]()
$180
This Super.com deal was found by Cheapflights users on 3/26. 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 4/2510:38 pm
SFO
- SJU
1 stop12h 30m
Frontier
Deal found 3/26![Frontier logo]()
$181
This CheapOair deal was found by Cheapflights users on 3/27. 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 5/310:38 pm
SFO
- SJU
1 stop12h 35m
Frontier
Deal found 3/27![Frontier logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 3/26. 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.
Sat 4/116:43 pm
SFO
- SJU
2 stops27h 34m
Frontier
Deal found 3/26![Frontier logo]()
$185
This Super.com deal was found by Cheapflights users on 3/24. 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 5/238:44 pm
SFO
- SJU
1 stop32h 20m
Frontier
Deal found 3/24![Frontier logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Wed 4/16:00 am
SFO
- SJU
2 stops31h 29m
Frontier
Deal found 3/23![Frontier logo]()
$189
This CheapOair deal was found by Cheapflights users on 3/23. 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.
Tue 4/710:03 pm
SFO
- SJU
1 stop10h 17m
Frontier
Deal found 3/23![Frontier logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 4/246:29 pm
SFO
- SJU
3 stops21h 53m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 3/27. 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.
Mon 4/2711:16 pm
SFO
- SJU
1 stop20h 54m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
Wed 5/2011:59 pm
SFO
- SJU
1 stop25h 50m
Frontier
Deal found 3/25![Frontier logo]()
$197
Find flight deals from San Francisco to Luis Munoz Marin Intl
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Luis Munoz Marin Intl (SJU). 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 March 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $369 (Kiwi.com) |
One-way from | $179 (Kiwi.com) |
Popular in | December |
Cheapest in | May |
Average price | $491 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco to Luis Munoz Marin Intl 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 March 29, 2026.
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
Cheapest round-trip
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Tue 4/21
5:40 am-11:12 pm
2 stops14h 32m
San Juan Luis Munoz Marin Intl
Thu 4/30
2:03 pm-11:59 pm
2 stops12h 56m
$450
Quickest round-trip
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Tue 4/14
8:00 am-8:49 pm
1 stop9h 49m
San Juan Luis Munoz Marin Intl
Fri 4/17
4:20 pm-11:56 pm
1 stop10h 36m
$482
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Mon 5/4
11:05 pm-2:29 pm
1 stop12h 24m
San Juan Luis Munoz Marin Intl
Fri 5/8
10:55 pm-10:05 am
1 stop14h 10m
$489
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Fri 4/10
5:01 pm-10:50 am
2 stops14h 49m
San Juan Luis Munoz Marin Intl
Thu 4/16
7:30 am-7:09 pm
1 stop14h 39m
$495
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Sat 5/9
6:00 am-9:25 pm
2 stops12h 25m
San Juan Luis Munoz Marin Intl
Thu 5/14
2:00 pm-12:20 am
2 stops13h 20m
$530
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Tue 4/14
7:00 am-8:38 pm
1 stop10h 38m
San Juan Luis Munoz Marin Intl
Wed 4/15
1:00 am-9:30 am
1 stop11h 30m
$540
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Sat 4/25
6:33 am-11:50 pm
2 stops14h 17m
San Juan Luis Munoz Marin Intl
Sat 5/2
7:00 am-5:12 pm
1 stop13h 12m
$540
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Tue 3/31
11:35 pm-11:50 am
1 stop9h 15m
San Juan Luis Munoz Marin Intl
Wed 4/8
6:15 am-11:59 pm
2 stops20h 44m
$542
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Mon 5/4
7:05 pm-12:04 pm
2 stops13h 59m
San Juan Luis Munoz Marin Intl
Thu 5/7
1:00 am-10:25 am
1 stop12h 25m
$550
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Sun 4/12
5:00 am-5:38 pm
1 stop9h 38m
San Juan Luis Munoz Marin Intl
Sat 4/18
7:20 am-6:38 pm
2 stops14h 18m
$563
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from San Francisco to Luis Munoz Marin Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Luis Munoz Marin Intl in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Francisco-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-San Juan Luis Munoz Marin Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-San Juan Luis Munoz Marin Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San Francisco to Luis Munoz Marin Intl
Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from San Francisco with our price prediction graph.
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 Luis Munoz Marin Intl Airport
Prices
More
How far ahead should I book a flight from San Francisco to San Juan Luis Munoz Marin Intl Airport?
Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Luis Munoz Marin Intl. Price data was last updated on March 13, 2026.
The best time to book flights from San Francisco to San Juan Luis Munoz Marin Intl Airport is 73 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.
What is the cheapest month to book a flight from San Francisco to San Juan Luis Munoz Marin Intl Airport?
Currently, January is the cheapest month in which you can book a flight from San Francisco to San Juan Luis Munoz Marin Intl Airport (average of $162). Flying from San Francisco to San Juan Luis Munoz Marin Intl Airport in March is currently the most expensive (average of $338). 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 Luis Munoz Marin Intl Airport?
What’s the top layover airport for flights from San Francisco to San Juan Luis Munoz Marin Intl Airport?
Share of 1-stop round-trip flights from San Francisco to San Juan Luis Munoz Marin Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Houston (IAH) – chosen by Cheapflights users on 63% of 1-stop itineraries from San Francisco to San Juan Luis Munoz Marin Intl Airport on Cheapflights.
What’s the cheapest layover airport for flights from San Francisco to San Juan Luis Munoz Marin Intl Airport?
Average round-trip fare for 1-stop flights from San Francisco to San Juan Luis Munoz Marin Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Orlando (MCO) is the most affordable 1-stop option, with an average round-trip price of $314.
What’s the fastest layover option from San Francisco to San Juan Luis Munoz Marin Intl Airport?
Shortest average travel time for 1-stop one-way flights from San Francisco to San Juan Luis Munoz Marin Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via New York (JFK) have the shortest average one-way travel time for 1-stop routes: 10h 48m.
Which airport typically offers the quickest layover for flights from San Francisco to San Juan Luis Munoz Marin Intl Airport?
Average layover duration for 1-stop one-way flights from San Francisco to San Juan Luis Munoz Marin Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via New York (JFK) offer the fastest connection on this route, with an average layover time of 2h 09m.
Reviews of airlines servicing Luis Munoz Marin Intl
Get insights into the airlines that provide service to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl. Reviews last updated March 29, 2026.
Read through reviews of airlines operating flights from San Francisco to San Juan Luis Munoz Marin Intl Airport, such as Delta,United Airlines, andJetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.2
Comfort
7.9
Crew
8.5
Boarding
8.1
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.2
Comfort
7.9
Crew
8.5
Boarding
8.1
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.2
Comfort
7.9
Crew
8.5
Boarding
8.1
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.2
Comfort
7.9
Crew
8.5
Boarding
8.1
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.2
Comfort
7.9
Crew
8.5
Boarding
8.1
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.2
Comfort
7.9
Crew
8.5
Boarding
8.1
Entertainment
7.8
Overall
7.9
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 Luis Munoz Marin Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Juan Luis Munoz Marin Intl Airport?
Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locationsFajardo
Luquillo
Rio Grande
Dorado
Humacao
Bayamón
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
Complete your trip
Flights by cabin class
Luis Munoz Marin Intl flight routes
Other flight options
Other flights from San Francisco
Popular flights
Alternative routes for San Francisco to Luis Munoz Marin Intl
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Luis Munoz Marin Intl by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Francisco to Luis Munoz Marin Intl by cabin class
Find flights from San Francisco to Luis Munoz Marin Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Luis Munoz Marin Intl
Explore flights to Luis Munoz Marin Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 29, 2026.
San Francisco and Luis Munoz Marin Intl flights
Browse other San Francisco and Luis Munoz Marin Intl flight options. Last updated on March 29, 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 March 29, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 8 airlines flying from San Francisco to Luis Munoz Marin Intl
Discover the top 8 airlines that operate flights from San Francisco to Luis Munoz Marin Intl. 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 March 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$141 | Average$360 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$172 | Average$394 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$222 | Average$834 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$273 | Average$465 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$329 | Average$428 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$358 | Average$529 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$359 | Average$554 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$412 | Average$593 | FlexibilityNo cancel fee | On-time63% |