$152+ Cheap flights from Buffalo to San Francisco (BUF - 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SFO
Jun 17 — Jun 241
Round-trip
1 adult, Economy
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Find cheap flights from Buffalo to San Francisco 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 Buffalo to San FranciscoExplore the most affordable flight options available from Buffalo to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 18, 2026.
Explore the most affordable flight options available from Buffalo to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 18, 2026.
This Delta deal was found by Cheapflights users on 5/18. 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 7/156:29 am
BUF
- SFO
1 stop6h 58m
Delta
Tue 7/215:40 am
SFO
- BUF
1 stop6h 33m
Delta
Deal found 5/18![Delta logo]()
$312
This Delta deal was found by Cheapflights users on 5/13. 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 8/277:52 pm
BUF
- SFO
1 stop6h 55m
Delta
Mon 8/3110:45 pm
SFO
- BUF
1 stop6h 38m
Delta
Deal found 5/13![Delta logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 8/262:50 pm
BUF
- SFO
2 stops20h 56m
Frontier
Tue 9/110:15 pm
SFO
- BUF
1 stop12h 40m
Frontier
Deal found 5/13![Frontier logo]()
$326
This American Airlines deal was found by Cheapflights users on 5/17. 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 6/295:25 am
BUF
- SFO
1 stop9h 11m
American Airlines
Sat 7/1111:49 pm
SFO
- BUF
1 stop10h 07m
American Airlines
Deal found 5/17![American Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 5/13. 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 8/256:12 am
BUF
- SFO
2 stops12h 38m
Delta
Sat 9/510:45 pm
SFO
- BUF
1 stop6h 38m
Delta
Deal found 5/13![Delta logo]()
$333
This United Airlines deal was found by Cheapflights users on 5/15. 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 9/267:00 am
BUF
- SFO
Nonstop9h 14m
United Airlines
Mon 9/2811:30 pm
SFO
- BUF
1 stop7h 19m
United Airlines
Deal found 5/15![United Airlines logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 8/1811:35 am
BUF
- SFO
2 stops25h 52m
Frontier
Sat 8/2910:15 pm
SFO
- BUF
1 stop9h 25m
Frontier
Deal found 5/13![Frontier logo]()
$335
This United Airlines deal was found by Cheapflights users on 5/16. 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.
Fri 6/126:04 pm
BUF
- SFO
1 stop7h 58m
United Airlines
Fri 6/2610:38 pm
SFO
- BUF
1 stop8h 22m
United Airlines
Deal found 5/16![United Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 5/14. 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 7/291:56 pm
BUF
- SFO
1 stop11h 11m
American Airlines
Wed 8/55:05 am
SFO
- BUF
1 stop9h 59m
American Airlines
Deal found 5/14![American Airlines logo]()
$340
This Frontier deal was found by Cheapflights users on 5/13. 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 8/2011:35 am
BUF
- SFO
1 stop10h 50m
Frontier
Sun 8/3010:15 pm
SFO
- BUF
1 stop12h 40m
Frontier
Deal found 5/13![Frontier logo]()
$344
This Delta deal was found by Cheapflights users on 5/18. 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 7/167:36 pm
BUF
- SFO
1 stop7h 10m
Delta
Thu 7/232:19 pm
SFO
- BUF
1 stop6h 39m
Delta
Deal found 5/18![Delta logo]()
$345
Best flights from Buffalo to San FranciscoDiscover carefully curated flight deals from Buffalo to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 18, 2026.
Discover carefully curated flight deals from Buffalo to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 18, 2026.
This United Airlines deal was found by Cheapflights users on 5/17. 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.
Fri 9/255:50 pm
BUF
- SFO
1 stop8h 09m
United Airlines
Sun 9/2710:35 pm
SFO
- BUF
1 stop8h 14m
United Airlines
Deal found 5/17![United Airlines logo]()
$313
This Delta deal was found by Cheapflights users on 5/16. 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 9/257:35 pm
BUF
- SFO
1 stop7h 10m
Delta
Mon 9/2810:45 pm
SFO
- BUF
1 stop6h 38m
Delta
Deal found 5/16![Delta logo]()
$313
This Southwest deal was found by Cheapflights users on 5/13. 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 8/277:10 pm
BUF
- SFO
1 stop7h 55m
Southwest
Mon 8/317:00 am
SFO
- BUF
2 stops10h 50m
Southwest
Deal found 5/13![Southwest logo]()
$384
This Delta deal was found by Cheapflights users on 5/13. 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 8/277:52 pm
BUF
- SFO
1 stop6h 55m
Delta
Tue 9/16:00 am
SFO
- BUF
1 stop9h 43m
Delta
Deal found 5/13![Delta logo]()
$313
This United Airlines deal was found by Cheapflights users on 5/15. 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 9/267:00 am
BUF
- SFO
Nonstop9h 14m
United Airlines
Mon 9/2811:30 pm
SFO
- BUF
1 stop7h 19m
United Airlines
Deal found 5/15![United Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 5/13. 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 8/207:52 pm
BUF
- SFO
1 stop6h 55m
Delta
Mon 8/3110:45 pm
SFO
- BUF
1 stop6h 38m
Delta
Deal found 5/13![Delta logo]()
$313
This United Airlines deal was found by Cheapflights users on 5/16. 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.
Fri 6/126:04 pm
BUF
- SFO
1 stop7h 58m
United Airlines
Fri 6/2610:38 pm
SFO
- BUF
1 stop8h 22m
United Airlines
Deal found 5/16![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 5/14. 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 8/2712:01 pm
BUF
- SFO
1 stop9h 12m
Delta
Mon 8/3110:45 pm
SFO
- BUF
1 stop6h 38m
Delta
Deal found 5/14![Delta logo]()
$313
This Southwest deal was found by Cheapflights users on 5/17. 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 9/226:25 pm
BUF
- SFO
1 stop7h 40m
Southwest
Fri 9/258:10 pm
SFO
- BUF
2 stops11h 00m
Southwest
Deal found 5/17![Southwest logo]()
$394
This Southwest deal was found by Cheapflights users on 5/17. 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 10/62:00 pm
BUF
- SFO
2 stops9h 45m
Southwest
Tue 10/1311:40 pm
SFO
- BUF
1 stop7h 50m
Southwest
Deal found 5/17![Southwest logo]()
$394
This Delta deal was found by Cheapflights users on 5/13. 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 8/2212:01 pm
BUF
- SFO
1 stop9h 12m
Delta
Thu 8/276:00 am
SFO
- BUF
1 stop9h 55m
Delta
Deal found 5/13![Delta logo]()
$378
This Delta deal was found by Cheapflights users on 5/15. 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 9/257:35 pm
BUF
- SFO
1 stop7h 10m
Delta
Sun 9/276:15 am
SFO
- BUF
1 stop9h 18m
Delta
Deal found 5/15![Delta logo]()
$386
Last-minute flights from Buffalo to San FranciscoDiscover last-minute flight deals from Buffalo to San Francisco. Data last updated May 18, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to San Francisco. Data last updated May 18, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 5/13. 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 5/277:00 am
BUF
- SFO
1 stop9h 15m
United Airlines
Sat 5/3012:43 pm
SFO
- BUF
1 stop7h 15m
United Airlines
Deal found 5/13![United Airlines logo]()
$384
This American Airlines deal was found by Cheapflights users on 5/16. 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 5/287:40 pm
BUF
- SFO
1 stop8h 38m
American Airlines
Fri 6/512:59 am
SFO
- BUF
1 stop8h 18m
American Airlines
Deal found 5/16![American Airlines logo]()
$312
This Frontier deal was found by Cheapflights users on 5/15. 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 5/3012:41 pm
BUF
- SFO
1 stop9h 53m
Frontier
Wed 6/310:10 pm
SFO
- BUF
1 stop9h 31m
Frontier
Deal found 5/15![Frontier logo]()
$370
This Delta deal was found by Cheapflights users on 5/15. 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 6/56:25 am
BUF
- SFO
1 stop6h 59m
Delta
Tue 6/92:23 pm
SFO
- BUF
1 stop6h 36m
Delta
Deal found 5/15![Delta logo]()
$313
This American Airlines deal was found by Cheapflights users on 5/15. 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 6/57:40 pm
BUF
- SFO
1 stop8h 33m
American Airlines
Sun 6/75:00 am
SFO
- BUF
1 stop10h 40m
American Airlines
Deal found 5/15![American Airlines logo]()
$346
This Southwest deal was found by Cheapflights users on 5/15. 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 6/54:10 pm
BUF
- SFO
2 stops9h 15m
Southwest
Tue 6/95:15 am
SFO
- BUF
1 stop13h 10m
Southwest
Deal found 5/15![Southwest logo]()
$357
This American Airlines deal was found by Cheapflights users on 5/13. 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 6/57:40 pm
BUF
- SFO
1 stop8h 33m
American Airlines
Thu 6/115:00 am
SFO
- BUF
1 stop10h 40m
American Airlines
Deal found 5/13![American Airlines logo]()
$374
This United Airlines deal was found by Cheapflights users on 5/16. 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.
Fri 6/126:04 pm
BUF
- SFO
1 stop7h 58m
United Airlines
Fri 6/2610:38 pm
SFO
- BUF
1 stop8h 22m
United Airlines
Deal found 5/16![United Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 5/13. 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 6/166:04 pm
BUF
- SFO
1 stop7h 58m
United Airlines
Mon 6/2211:30 pm
SFO
- BUF
1 stop7h 45m
United Airlines
Deal found 5/13![United Airlines logo]()
$375
This American Airlines deal was found by Cheapflights users on 5/17. 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 6/295:25 am
BUF
- SFO
1 stop9h 11m
American Airlines
Sat 7/1111:49 pm
SFO
- BUF
1 stop10h 07m
American Airlines
Deal found 5/17![American Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 5/13. 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 6/307:40 pm
BUF
- SFO
1 stop8h 33m
American Airlines
Sat 7/411:24 am
SFO
- BUF
1 stop8h 27m
American Airlines
Deal found 5/13![American Airlines logo]()
$366
One-way flights from Buffalo to San FranciscoSearch for one-way flight options from Buffalo to San Francisco. Find affordable one-way fares based on user searches. Data last updated May 18, 2026.
Search for one-way flight options from Buffalo to San Francisco. Find affordable one-way fares based on user searches. Data last updated May 18, 2026.
This United Airlines deal was found by Cheapflights users on 5/13. 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 5/277:00 am
BUF
- SFO
1 stop9h 15m
United Airlines
Deal found 5/13![United Airlines logo]()
$152
This Delta deal was found by Cheapflights users on 5/16. 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 6/87:45 pm
BUF
- SFO
1 stop7h 08m
Delta
Deal found 5/16![Delta logo]()
$156
This American Airlines deal was found by Cheapflights users on 5/16. 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 8/174:50 pm
BUF
- SFO
1 stop9h 20m
American Airlines
Deal found 5/16![American Airlines logo]()
$173
This Frontier deal was found by Cheapflights users on 5/15. 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 6/211:36 am
BUF
- SFO
1 stop11h 21m
Frontier
Deal found 5/15![Frontier logo]()
$175
This Kissandfly.com deal was found by Cheapflights users on 5/14. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3011:35 am
BUF
- SFO
1 stop10h 38m
Frontier
Deal found 5/14![Frontier logo]()
$176
This American Airlines deal was found by Cheapflights users on 5/16. 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 8/256:14 am
BUF
- SFO
2 stops10h 27m
American Airlines
Deal found 5/16![American Airlines logo]()
$182
This American Airlines deal was found by Cheapflights users on 5/17. 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 8/117:00 am
BUF
- SFO
1 stop10h 55m
American Airlines
Deal found 5/17![American Airlines logo]()
$184
This Frontier deal was found by Cheapflights users on 5/13. 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 5/3012:41 pm
BUF
- SFO
1 stop9h 53m
Frontier
Deal found 5/13![Frontier logo]()
$185
This American Airlines deal was found by Cheapflights users on 5/14. 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 7/291:56 pm
BUF
- SFO
1 stop11h 11m
American Airlines
Deal found 5/14![American Airlines logo]()
$189
This Southwest deal was found by Cheapflights users on 5/14. 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 7/177:55 pm
BUF
- SFO
1 stop7h 15m
Southwest
Deal found 5/14![Southwest logo]()
$190
Find flight deals from Buffalo to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to San Francisco (SFO). 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 May 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $312 (Delta) |
One-way from | $152 (United Airlines) |
Popular in | March |
Cheapest in | January |
Average price | $347 |
Cheapflights Fare Finder
Customize your flight search to find flights from Buffalo 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 May 18, 2026.
Use the filters below to find and compare flights from Buffalo to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BuffaloSan Francisco
BUF - SFO
BUFSFO
Buffalo
Fri 9/25
5:50 pm-10:59 pm
1 stop8h 09m
San Francisco
Sun 9/27
10:35 pm-9:49 am
1 stop8h 14m
$313
BuffaloSan Francisco
BUF - SFO
BUFSFO
Buffalo
Fri 9/25
7:35 pm-11:45 pm
1 stop7h 10m
San Francisco
Mon 9/28
10:45 pm-8:23 am
1 stop6h 38m
$313
BuffaloSan Francisco
BUF - SFO
BUFSFO
Buffalo
Thu 8/27
7:52 pm-11:47 pm
1 stop6h 55m
San Francisco
Tue 9/1
6:00 am-6:43 pm
1 stop9h 43m
$313
Quickest round-trip
BuffaloSan Francisco
BUF - SFO
BUFSFO
Buffalo
Thu 8/20
7:52 pm-11:47 pm
1 stop6h 55m
San Francisco
Mon 8/31
10:45 pm-8:23 am
1 stop6h 38m
$313
BuffaloSan Francisco
BUF - SFO
BUFSFO
Buffalo
Thu 8/27
12:01 pm-6:13 pm
1 stop9h 12m
San Francisco
Mon 8/31
10:45 pm-8:23 am
1 stop6h 38m
$313
BuffaloSan Francisco
BUF - SFO
BUFSFO
Buffalo
Sat 9/26
7:00 am-1:14 pm
Nonstop9h 14m
San Francisco
Mon 9/28
11:30 pm-9:49 am
1 stop7h 19m
$334
BuffaloSan Francisco
BUF - SFO
BUFSFO
Buffalo
Fri 6/12
6:04 pm-11:02 pm
1 stop7h 58m
San Francisco
Fri 6/26
10:38 pm-10:00 am
1 stop8h 22m
$339
BuffaloSan Francisco
BUF - SFO
BUFSFO
Buffalo
Sat 8/22
12:01 pm-6:13 pm
1 stop9h 12m
San Francisco
Thu 8/27
6:00 am-6:55 pm
1 stop9h 55m
$378
BuffaloSan Francisco
BUF - SFO
BUFSFO
Buffalo
Thu 8/27
7:10 pm-12:05 am
1 stop7h 55m
San Francisco
Mon 8/31
7:00 am-8:50 pm
2 stops10h 50m
$384
BuffaloSan Francisco
BUF - SFO
BUFSFO
Buffalo
Fri 9/25
7:35 pm-11:45 pm
1 stop7h 10m
San Francisco
Sun 9/27
6:15 am-6:33 pm
1 stop9h 18m
$386
Showing 1-10 of 24 resultsSorted by cheapest first
Compare providers for flights from Buffalo to San Francisco
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 Buffalo to San Francisco in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Buffalo-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buffalo-San Francisco flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Buffalo-San Francisco 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 Buffalo-San Francisco 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 Buffalo to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Buffalo with our price prediction graph.
BUF-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 Buffalo to San Francisco
How far ahead should I book a flight from Buffalo to San Francisco?
Booking 55 days in advance of your planned departure date is, on average, the best time to get cheap flights from Buffalo to San Francisco. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Buffalo to San Francisco?
Currently, January is the cheapest month in which you can book a flight from Buffalo to San Francisco (average of $262). Flying from Buffalo to San Francisco in March is currently the most expensive (average of $400). 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 BUF to SFO?
Find hourly flight availability from Buffalo 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 May 18, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Buffalo to San Francisco as you normally would.
Reviews of airlines servicing San Francisco
Get insights into the airlines that provide service to San Francisco. 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 Francisco. Reviews last updated May 18, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Buffalo to San Francisco 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
7.0
Crew
8.6
Overall
7.9
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Crew
8.6
Overall
7.9
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Crew
8.6
Overall
7.9
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Crew
8.6
Overall
7.9
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Crew
8.6
Overall
7.9
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Crew
8.6
Overall
7.9
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Buffalo 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 Cruz
Santa Clara
Fairfield
Rancho Cordova
San Bruno
Watsonville
San Ramon
Vacaville
Roseville
San Carlos
Redwood City
Sunnyvale
Turlock
Vallejo
San Lorenzo
Davis
Emeryville
Manteca
Elk Grove
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Buffalo and San Francisco flights
Browse other Buffalo and San Francisco flight options. Last updated on May 18, 2026.
Other flights from Buffalo
Browse through other flights departing from Buffalo. Flights are based on user searches made on Cheapflights and were last updated on May 18, 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 May 18, 2026.
Top 6 airlines flying from Buffalo to San Francisco
Discover the top 6 airlines that operate flights from Buffalo 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 May 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$138 | Average$364 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$165 | Average$296 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$197 | Average$369 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$207 | Average$365 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$243 | Average$306 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$250 | Average$388 | FlexibilityNo cancel fee | On-time69% |