$131+ Cheap flights from Pennsylvania to San Francisco (SFO)
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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SFO
Sep 9 — Sep 161
Round-trip
1 adult, Economy
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Find cheap flights from Pennsylvania to San Francisco 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
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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 Pennsylvania to San Francisco
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Cheapest flights from Pennsylvania to San FranciscoExplore the most affordable flight options available from Pennsylvania to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 10, 2026.
Explore the most affordable flight options available from Pennsylvania to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 10, 2026.
This Expedia deal was found by Cheapflights users on 8/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:00 pm -
1 stop10h 17m
Tue 9/1510:05 pm -
1 stop14h 55m
Deal found 8/4![Multiple Airlines logo]()
$319
This Expedia deal was found by Cheapflights users on 8/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:00 pm -
1 stop10h 08m
Wed 9/162:13 pm -
Nonstop5h 46m
Deal found 8/4![Multiple Airlines logo]()
$319
This Expedia deal was found by Cheapflights users on 8/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/39:55 am -
1 stop9h 42m
Mon 9/1410:05 pm -
1 stop10h 45m
Deal found 8/5![Multiple Airlines logo]()
$320
This Frontier deal was found by Cheapflights users on 8/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:13 am -
1 stop15h 50m
Tue 9/110:35 pm -
1 stop14h 25m
Deal found 8/5![Frontier logo]()
$321
This Expedia deal was found by Cheapflights users on 8/6. 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.
Tue 9/11:00 pm -
1 stop9h 03m
Tue 9/811:59 pm -
1 stop8h 01m
Deal found 8/6![Multiple Airlines logo]()
$321
This Expedia deal was found by Cheapflights users on 8/9. 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.
Tue 9/16:18 am -
1 stop15h 45m
Sat 9/510:35 pm -
1 stop14h 25m
Deal found 8/9![Frontier logo]()
$322
This Flightnetwork deal was found by Cheapflights users on 8/9. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/14:29 pm -
Nonstop6h 16m
Tue 9/2910:05 pm -
1 stop10h 45m
Deal found 8/9![Multiple Airlines logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 9/268:29 pm -
1 stop28h 59m
Thu 10/110:05 pm -
1 stop14h 55m
Deal found 8/6![Frontier logo]()
$323
This Expedia deal was found by Cheapflights users on 8/7. 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.
Tue 9/221:00 pm -
1 stop10h 08m
Sat 9/2610:05 pm -
1 stop10h 45m
Deal found 8/7![Frontier logo]()
$323
This Expedia deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:13 am -
1 stop15h 50m
Sun 9/1310:05 pm -
1 stop14h 55m
Deal found 8/7![Frontier logo]()
$324
This Frontier deal was found by Cheapflights users on 8/7. 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 9/241:00 pm -
1 stop9h 48m
Mon 9/2810:05 pm -
1 stop10h 45m
Deal found 8/7![Frontier logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 8/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:55 pm -
1 stop13h 21m
Sat 9/512:29 am -
1 stop18h 31m
Deal found 8/5![Frontier logo]()
$325
Best flights from Pennsylvania to San FranciscoDiscover carefully curated flight deals from Pennsylvania to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 10, 2026.
Discover carefully curated flight deals from Pennsylvania to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 10, 2026.
This Delta deal was found by Cheapflights users on 8/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:00 am -
Nonstop6h 29m
Sat 10/2411:45 am -
Nonstop5h 37m
Deal found 8/4![Delta logo]()
$337
This Southwest deal was found by Cheapflights users on 8/6. 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 11/215:00 am -
1 stop8h 20m
Thu 11/266:15 am -
1 stop6h 50m
Deal found 8/6![Southwest logo]()
$356
This United Airlines deal was found by Cheapflights users on 8/5. 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 10/216:00 am -
1 stop8h 22m
Wed 10/286:35 am -
1 stop7h 40m
Deal found 8/5![United Airlines logo]()
$357
This Alaska Airlines deal was found by Cheapflights users on 8/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:02 am -
1 stop10h 25m
Mon 9/287:22 pm -
1 stop19h 08m
Deal found 8/8![Alaska Airlines logo]()
$359
This JetBlue deal was found by Cheapflights users on 8/7. 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.
Sun 9/136:00 am -
Nonstop6h 14m
Fri 9/182:13 pm -
Nonstop5h 46m
Deal found 8/7![JetBlue logo]()
$359
This American Airlines deal was found by Cheapflights users on 8/5. 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.
Tue 9/112:18 pm -
1 stop9h 38m
Tue 9/810:12 pm -
1 stop8h 56m
Deal found 8/5![American Airlines logo]()
$379
This Sun Country Air deal was found by Cheapflights users on 8/8. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3011:30 am -
1 stop8h 37m
Wed 11/41:15 pm -
1 stop18h 20m
Deal found 8/8![Sun Country Air logo]()
$515
This United Airlines deal was found by Cheapflights users on 8/9. 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 10/17:00 am -
Nonstop5h 24m
Mon 10/59:30 pm -
Nonstop5h 05m
Deal found 8/9![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 8/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1710:00 am -
1 stop8h 59m
Fri 10/2310:59 pm -
1 stop6h 50m
Deal found 8/5![Delta logo]()
$363
This Southwest deal was found by Cheapflights users on 8/6. 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.
Fri 9/115:30 pm -
1 stop8h 20m
Tue 9/1511:05 pm -
1 stop7h 35m
Deal found 8/6![Southwest logo]()
$363
This JetBlue deal was found by Cheapflights users on 8/7. 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.
Sun 9/131:29 pm -
1 stop12h 48m
Fri 9/1811:10 pm -
1 stop10h 20m
Deal found 8/7![JetBlue logo]()
$367
This American Airlines deal was found by Cheapflights users on 8/7. 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.
Sat 9/261:34 pm -
1 stop8h 16m
Wed 9/309:29 pm -
1 stop9h 39m
Deal found 8/7![American Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 8/7. 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 11/249:10 am -
Nonstop6h 22m
Wed 12/211:05 pm -
Nonstop5h 40m
Deal found 8/7![United Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 8/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:00 am -
1 stop10h 40m
Wed 9/911:50 am -
1 stop8h 25m
Deal found 8/5![Southwest logo]()
$363
This JetBlue deal was found by Cheapflights users on 8/8. 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 9/224:00 pm -
1 stop10h 17m
Sat 9/2611:10 pm -
1 stop10h 20m
Deal found 8/8![JetBlue logo]()
$368
This Delta deal was found by Cheapflights users on 8/7. 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.
Wed 10/289:00 am -
Nonstop6h 31m
Sun 11/19:00 pm -
Nonstop5h 24m
Deal found 8/7![Delta logo]()
$368
This Alaska Airlines deal was found by Cheapflights users on 8/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:29 pm -
1 stop8h 59m
Wed 9/301:41 pm -
Nonstop5h 48m
Deal found 8/9![Alaska Airlines logo]()
$423
This United Airlines deal was found by Cheapflights users on 8/6. 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 10/179:27 am -
Nonstop6h 03m
Mon 10/2612:45 am -
1 stop7h 52m
Deal found 8/6![United Airlines logo]()
$365
This Southwest deal was found by Cheapflights users on 8/6. 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 9/164:10 pm -
1 stop9h 00m
Mon 9/215:35 am -
1 stop9h 20m
Deal found 8/6![Southwest logo]()
$368
This American Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/24:57 pm -
1 stop8h 43m
Sat 9/57:05 am -
1 stop9h 51m
Deal found 8/6![American Airlines logo]()
$406
This Delta deal was found by Cheapflights users on 8/8. 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 11/155:25 pm -
1 stop7h 38m
Sun 11/2211:59 pm -
1 stop7h 10m
Deal found 8/8![Delta logo]()
$379
This Alaska Airlines deal was found by Cheapflights users on 8/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/214:48 pm -
1 stop9h 40m
Sat 9/2610:32 am -
2 stops16h 08m
Deal found 8/7![Alaska Airlines logo]()
$430
This JetBlue deal was found by Cheapflights users on 8/5. 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.
Tue 9/226:00 am -
Nonstop6h 14m
Sat 9/268:25 pm -
Nonstop5h 38m
Deal found 8/5![JetBlue logo]()
$404
This Southwest deal was found by Cheapflights users on 8/4. 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 8/2910:10 am -
1 stop8h 40m
Sat 9/510:20 am -
1 stop9h 40m
Deal found 8/4![Southwest logo]()
$369
This United Airlines deal was found by Cheapflights users on 8/5. 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.
Sun 8/306:09 pm -
1 stop7h 46m
Mon 9/79:30 pm -
Nonstop5h 05m
Deal found 8/5![United Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 8/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/145:09 pm -
1 stop10h 25m
Sun 9/205:45 am -
1 stop7h 48m
Deal found 8/5![Delta logo]()
$379
This Alaska Airlines deal was found by Cheapflights users on 8/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:25 am -
1 stop10h 02m
Sat 9/263:37 pm -
2 stops11h 24m
Deal found 8/8![Alaska Airlines logo]()
$436
This United Airlines deal was found by Cheapflights users on 8/6. 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 10/177:00 am -
Nonstop5h 24m
Fri 10/2310:35 pm -
1 stop8h 19m
Deal found 8/6![United Airlines logo]()
$369
This Southwest deal was found by Cheapflights users on 8/7. 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.
Fri 9/254:35 pm -
1 stop8h 20m
Tue 9/2911:50 am -
1 stop8h 25m
Deal found 8/7![Southwest logo]()
$379
This Delta deal was found by Cheapflights users on 8/7. 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.
Thu 1/145:40 pm -
1 stop9h 35m
Mon 1/2511:45 pm -
1 stop9h 19m
Deal found 8/7![Delta logo]()
$379
Last-minute flights from Pennsylvania to San FranciscoDiscover last-minute flight deals from Pennsylvania to San Francisco. Data last updated August 10, 2026 and is based on user searches.
Discover last-minute flight deals from Pennsylvania to San Francisco. Data last updated August 10, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 8/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:13 am -
1 stop15h 50m
Tue 9/110:35 pm -
1 stop14h 25m
Deal found 8/5![Frontier logo]()
$321
This Expedia deal was found by Cheapflights users on 8/6. 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.
Tue 9/11:00 pm -
1 stop9h 03m
Tue 9/811:59 pm -
1 stop8h 01m
Deal found 8/6![Multiple Airlines logo]()
$321
This Expedia deal was found by Cheapflights users on 8/9. 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.
Tue 9/16:18 am -
1 stop15h 45m
Sat 9/510:35 pm -
1 stop14h 25m
Deal found 8/9![Frontier logo]()
$322
This Flightnetwork deal was found by Cheapflights users on 8/9. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/14:29 pm -
Nonstop6h 16m
Tue 9/2910:05 pm -
1 stop10h 45m
Deal found 8/9![Multiple Airlines logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 8/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:55 pm -
1 stop13h 21m
Sat 9/512:29 am -
1 stop18h 31m
Deal found 8/5![Frontier logo]()
$325
This Expedia deal was found by Cheapflights users on 8/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/39:55 am -
1 stop9h 42m
Mon 9/1410:05 pm -
1 stop10h 45m
Deal found 8/5![Multiple Airlines logo]()
$320
This Expedia deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:13 am -
1 stop15h 50m
Sun 9/1310:05 pm -
1 stop14h 55m
Deal found 8/7![Frontier logo]()
$324
This Expedia deal was found by Cheapflights users on 8/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:00 pm -
1 stop10h 17m
Tue 9/1510:05 pm -
1 stop14h 55m
Deal found 8/4![Multiple Airlines logo]()
$319
This Expedia deal was found by Cheapflights users on 8/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:00 pm -
1 stop10h 08m
Wed 9/162:13 pm -
Nonstop5h 46m
Deal found 8/4![Multiple Airlines logo]()
$319
This Expedia deal was found by Cheapflights users on 8/7. 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.
Tue 9/221:00 pm -
1 stop10h 08m
Sat 9/2610:05 pm -
1 stop10h 45m
Deal found 8/7![Frontier logo]()
$323
This Frontier deal was found by Cheapflights users on 8/7. 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 9/241:00 pm -
1 stop9h 48m
Mon 9/2810:05 pm -
1 stop10h 45m
Deal found 8/7![Frontier logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 9/268:29 pm -
1 stop28h 59m
Thu 10/110:05 pm -
1 stop14h 55m
Deal found 8/6![Frontier logo]()
$323
One-way flights from Pennsylvania to San FranciscoSearch for one-way flight options from Pennsylvania to San Francisco. Find affordable one-way fares based on user searches. Data last updated August 10, 2026.
Search for one-way flight options from Pennsylvania to San Francisco. Find affordable one-way fares based on user searches. Data last updated August 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 9/287:30 am -
2 stops31h 55m
Deal found 8/9![Multiple Airlines logo]()
$131
This Super.com deal was found by Cheapflights users on 8/6. 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.
Fri 8/288:59 am -
1 stop10h 37m
Deal found 8/6![Frontier logo]()
$160
This Frontier deal was found by Cheapflights users on 8/6. 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.
Fri 10/307:00 am -
1 stop12h 57m
Deal found 8/6![Frontier logo]()
$160
This Super.com deal was found by Cheapflights users on 8/6. 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 9/1211:35 am -
1 stop11h 13m
Deal found 8/6![Frontier logo]()
$161
This Super.com deal was found by Cheapflights users on 8/8. 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 9/161:00 pm -
1 stop22h 44m
Deal found 8/8![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 10/271:30 pm -
1 stop28h 30m
Deal found 8/6![Frontier logo]()
$162
This Trip.com deal was found by Cheapflights users on 8/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:00 am -
1 stop15h 24m
Deal found 8/9![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 8/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/77:00 am -
2 stops36h 40m
Deal found 8/5![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:20 am -
2 stops17h 26m
Deal found 8/4![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 8/286:00 pm -
2 stops19h 15m
Deal found 8/7![Frontier logo]()
$164
This Frontier deal was found by Cheapflights users on 8/7. 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 9/2611:35 am -
1 stop11h 13m
Deal found 8/7![Frontier logo]()
$164
This Super.com deal was found by Cheapflights users on 8/7. 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.
Fri 9/257:50 am -
1 stop14h 58m
Deal found 8/7![Frontier logo]()
$165
Find flight deals from Pennsylvania to San Francisco
Keep the following information in mind while searching for Pennsylvania to San Francisco flight deals. Data was last updated August 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $319 (Expedia) |
One-way from | $131 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $429 |
Good round-trip deal | $418 or less |
Good one-way deal | $289 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Pennsylvania to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 10, 2026.
Use the filters below to find and compare flights from Pennsylvania to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
New YorkSan Francisco
JFK New York John F Kennedy Intl - SFO San Francisco
JFKSFO
New York John F Kennedy Intl
Sat 10/17
7:00 am-10:29 am
Nonstop6h 29m
San Francisco
Sat 10/24
11:45 am-8:22 pm
Nonstop5h 37m
$337
PhiladelphiaSan Francisco
PHL Philadelphia - SFO San Francisco
PHLSFO
Philadelphia
Sat 11/21
5:00 am-10:20 am
1 stop8h 20m
San Francisco
Thu 11/26
6:15 am-4:05 pm
1 stop6h 50m
$356
New YorkSan Francisco
LGA New York LaGuardia - SFO San Francisco
LGASFO
New York LaGuardia
Wed 10/21
6:00 am-11:22 am
1 stop8h 22m
San Francisco
Wed 10/28
6:35 am-5:15 pm
1 stop7h 40m
$357
PittsburghSan Francisco
PIT Pittsburgh - SFO San Francisco
PITSFO
Pittsburgh
Wed 9/23
7:02 am-2:27 pm
1 stop10h 25m
San Francisco
Mon 9/28
7:22 pm-5:30 pm
1 stop19h 08m
$359
New YorkSan Francisco
JFK New York John F Kennedy Intl - SFO San Francisco
JFKSFO
New York John F Kennedy Intl
Sun 9/13
6:00 am-9:14 am
Nonstop6h 14m
San Francisco
Fri 9/18
2:13 pm-10:59 pm
Nonstop5h 46m
$359
Quickest round-trip
PittsburghSan Francisco
PIT Pittsburgh - SFO San Francisco
PITSFO
Pittsburgh
Thu 10/1
7:00 am-9:24 am
Nonstop5h 24m
San Francisco
Mon 10/5
9:30 pm-5:35 am
Nonstop5h 05m
$359
PhiladelphiaSan Francisco
PHL Philadelphia - SFO San Francisco
PHLSFO
Philadelphia
Tue 11/24
9:10 am-12:32 pm
Nonstop6h 22m
San Francisco
Wed 12/2
11:05 pm-7:45 am
Nonstop5h 40m
$359
New YorkSan Francisco
LGA New York LaGuardia - SFO San Francisco
LGASFO
New York LaGuardia
Sat 10/17
10:00 am-3:59 pm
1 stop8h 59m
San Francisco
Fri 10/23
10:59 pm-8:49 am
1 stop6h 50m
$363
New YorkSan Francisco
LGA New York LaGuardia - SFO San Francisco
LGASFO
New York LaGuardia
Fri 9/11
5:30 pm-10:50 pm
1 stop8h 20m
San Francisco
Tue 9/15
11:05 pm-9:40 am
1 stop7h 35m
$363
New YorkSan Francisco
LGA New York LaGuardia - SFO San Francisco
LGASFO
New York LaGuardia
Sat 9/5
6:00 am-1:40 pm
1 stop10h 40m
San Francisco
Wed 9/9
11:50 am-11:15 pm
1 stop8h 25m
$363
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Pennsylvania to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Pennsylvania with our price prediction graph.
JFK-SFO
PHL-SFO
LGA-SFO
PIT-SFO
SCE-SFO
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 Pennsylvania to San Francisco
USPA-SFO
JFK-SFO
PHL-SFO
LGA-SFO
PIT-SFO
What is the cheapest month to book a flight from Pennsylvania to San Francisco?
Currently, October is the cheapest month in which you can book a flight from Pennsylvania to San Francisco (average of $395). Flying from Pennsylvania to San Francisco in June is currently the most expensive (average of $466). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from PA to SFO?
Find hourly flight availability from Pennsylvania to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 10, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Pennsylvania to San Francisco as you normally would.
Weekly flight availability from Pennsylvania to San Francisco
Explore weekly flight availability from Pennsylvania to San Francisco. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 10, 2026.
The most flights from USPA to SFO are scheduled on a Friday (17 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (5 on average).
How much does it cost to fly round-trip from Pennsylvania to San Francisco?
Airfare is below average for this route at the moment.
Pennsylvania to San Francisco flights typically cost between $353 and $523 in September.The cheapest round-trip price found within the last 5 days was $349 on Frontier (Sep 16-Sep 20).
How far ahead should I book a flight from Pennsylvania to San Francisco?
The price you pay for your flight from Pennsylvania to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 82 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Related info for your journey
Find useful and relevant information for your journey from Pennsylvania to San Francisco. 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 Francisco?
Book flights to San Francisco if you plan to visit one of these locationsSouth San Francisco
Santa Clara
Santa Cruz
Walnut Creek
San Bruno
Fairfield
Emeryville
Roseville
Burlingame
Rancho Cordova
Vallejo
Cupertino
Newark
Hayward
San Ramon
Redwood City
San Carlos
Manteca
Turlock
San Lorenzo
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.
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Alternative routes for Pennsylvania to San Francisco
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to San Francisco by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Pennsylvania to San Francisco by cabin class
Find flights from Pennsylvania to San Francisco, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Pennsylvania and San Francisco flights
Browse other Pennsylvania and San Francisco flight options. Last updated on August 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Francisco
Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 10, 2026.
Pennsylvania to San Francisco flights
Consider these flights traveling from Pennsylvania to San Francisco.
Top 6 airlines flying from Pennsylvania to San Francisco
Discover the top 6 airlines that operate flights from Pennsylvania to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$129 | Average$341 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$160 | Average$278 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$231 | Average$464 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$253 | Average$425 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$256 | Average$542 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$289 | Average$469 | FlexibilityNo cancel fee | On-time69% |