$135+ Cheap flights from Buffalo to San Diego (BUF - SAN)
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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SAN
Aug 29 — Sep 51
Round-trip
1 adult, Economy
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Find cheap flights from Buffalo to San Diego 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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Cheapest flights from Buffalo to San DiegoExplore the most affordable flight options available from Buffalo to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2026.
Explore the most affordable flight options available from Buffalo to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 7/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:10 pm
BUF
- SAN
1 stop11h 10m
JetBlue
Mon 11/99:30 pm
SAN
- BUF
1 stop7h 57m
JetBlue
Deal found 7/28![JetBlue logo]()
$285
This JetBlue deal was found by Cheapflights users on 7/25. 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.
Tue 12/810:25 am
BUF
- SAN
1 stop11h 48m
JetBlue
Tue 12/158:45 pm
SAN
- BUF
1 stop9h 49m
JetBlue
Deal found 7/25![JetBlue logo]()
$287
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/183:53 pm
BUF
- SAN
1 stop10h 50m
Delta
Tue 9/110:25 pm
SAN
- BUF
1 stop9h 43m
Delta
Deal found 7/27![Delta logo]()
$306
This Delta deal was found by Cheapflights users on 7/28. 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.
Thu 12/1012:32 pm
BUF
- SAN
1 stop9h 10m
Delta
Tue 12/1510:40 pm
SAN
- BUF
1 stop9h 43m
Delta
Deal found 7/28![Delta logo]()
$307
This American Airlines deal was found by Cheapflights users on 7/29. 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 9/57:00 am
BUF
- SAN
1 stop7h 57m
American Airlines
Fri 9/116:15 am
SAN
- BUF
1 stop8h 03m
American Airlines
Deal found 7/29![American Airlines logo]()
$308
This Southwest deal was found by Cheapflights users on 7/29. 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 10/55:45 pm
BUF
- SAN
1 stop9h 25m
Southwest
Fri 10/99:50 pm
SAN
- BUF
1 stop7h 25m
Southwest
Deal found 7/29![Southwest logo]()
$310
This United Airlines deal was found by Cheapflights users on 7/26. 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 8/175:58 pm
BUF
- SAN
1 stop7h 12m
United Airlines
Fri 8/2111:00 am
SAN
- BUF
2 stops9h 44m
United Airlines
Deal found 7/26![United Airlines logo]()
$312
This Cheapflightsfares deal was found by Cheapflights users on 7/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2210:35 am
BUF
- SAN
1 stop12h 09m
JetBlue
Tue 12/19:29 pm
SAN
- BUF
1 stop9h 29m
JetBlue
Deal found 7/27![JetBlue logo]()
$313
This Southwest deal was found by Cheapflights users on 7/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:45 pm
BUF
- SAN
2 stops9h 00m
Southwest
Sun 11/810:40 pm
SAN
- BUF
1 stop8h 45m
Southwest
Deal found 7/28![Southwest logo]()
$315
This American Airlines deal was found by Cheapflights users on 7/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:15 am
BUF
- SAN
1 stop9h 56m
American Airlines
Wed 9/1610:04 am
SAN
- BUF
1 stop9h 06m
American Airlines
Deal found 7/26![American Airlines logo]()
$316
This Southwest deal was found by Cheapflights users on 7/29. 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 9/127:50 am
BUF
- SAN
2 stops9h 25m
Southwest
Sat 9/1910:40 pm
SAN
- BUF
2 stops10h 35m
Southwest
Deal found 7/29![Southwest logo]()
$317
This Southwest deal was found by Cheapflights users on 7/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/412:30 pm
BUF
- SAN
2 stops12h 30m
Southwest
Sat 9/510:35 pm
SAN
- BUF
1 stop8h 25m
Southwest
Deal found 7/28![Southwest logo]()
$318
Best flights from Buffalo to San DiegoDiscover carefully curated flight deals from Buffalo to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 30, 2026.
Discover carefully curated flight deals from Buffalo to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 30, 2026.
This JetBlue deal was found by Cheapflights users on 7/27. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/107:00 am
BUF
- SAN
1 stop10h 18m
JetBlue
Sat 1/169:00 pm
SAN
- BUF
1 stop9h 05m
JetBlue
Deal found 7/27![JetBlue logo]()
$287
This Delta deal was found by Cheapflights users on 7/28. 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.
Thu 9/1012:02 pm
BUF
- SAN
1 stop9h 33m
Delta
Mon 9/2110:20 pm
SAN
- BUF
1 stop7h 04m
Delta
Deal found 7/28![Delta logo]()
$307
This Southwest deal was found by Cheapflights users on 7/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:50 am
BUF
- SAN
1 stop15h 05m
Southwest
Sat 10/1710:40 pm
SAN
- BUF
1 stop8h 35m
Southwest
Deal found 7/27![Southwest logo]()
$312
This Delta deal was found by Cheapflights users on 7/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1312:00 pm
BUF
- SAN
1 stop8h 59m
Delta
Mon 11/2310:00 pm
SAN
- BUF
1 stop7h 20m
Delta
Deal found 7/26![Delta logo]()
$307
This Southwest deal was found by Cheapflights users on 7/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/283:55 pm
BUF
- SAN
2 stops9h 00m
Southwest
Mon 8/318:40 am
SAN
- BUF
1 stop10h 35m
Southwest
Deal found 7/28![Southwest logo]()
$312
This Delta deal was found by Cheapflights users on 7/25. 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.
Thu 11/123:59 pm
BUF
- SAN
1 stop11h 00m
Delta
Sun 11/2210:00 pm
SAN
- BUF
1 stop7h 20m
Delta
Deal found 7/25![Delta logo]()
$307
This Southwest deal was found by Cheapflights users on 7/29. 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 9/103:50 pm
BUF
- SAN
2 stops9h 10m
Southwest
Mon 9/2110:40 pm
SAN
- BUF
1 stop13h 45m
Southwest
Deal found 7/29![Southwest logo]()
$318
This Delta deal was found by Cheapflights users on 7/28. 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.
Thu 12/1012:32 pm
BUF
- SAN
1 stop9h 10m
Delta
Tue 12/1510:40 pm
SAN
- BUF
1 stop9h 43m
Delta
Deal found 7/28![Delta logo]()
$307
This Southwest deal was found by Cheapflights users on 7/29. 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 9/412:30 pm
BUF
- SAN
2 stops12h 30m
Southwest
Tue 9/810:40 pm
SAN
- BUF
1 stop10h 50m
Southwest
Deal found 7/29![Southwest logo]()
$323
This Southwest deal was found by Cheapflights users on 7/29. 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 11/193:55 pm
BUF
- SAN
2 stops10h 05m
Southwest
Sun 11/2210:40 pm
SAN
- BUF
1 stop8h 45m
Southwest
Deal found 7/29![Southwest logo]()
$335
Last-minute flights from Buffalo to San DiegoDiscover last-minute flight deals from Buffalo to San Diego. Data last updated July 30, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to San Diego. Data last updated July 30, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 7/26. 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 8/175:58 pm
BUF
- SAN
1 stop7h 12m
United Airlines
Fri 8/2111:00 am
SAN
- BUF
2 stops9h 44m
United Airlines
Deal found 7/26![United Airlines logo]()
$312
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/183:53 pm
BUF
- SAN
1 stop10h 50m
Delta
Tue 9/110:25 pm
SAN
- BUF
1 stop9h 43m
Delta
Deal found 7/27![Delta logo]()
$306
This JetBlue deal was found by Cheapflights users on 7/27. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:00 am
BUF
- SAN
1 stop8h 56m
JetBlue
Fri 9/48:17 pm
SAN
- BUF
1 stop10h 18m
JetBlue
Deal found 7/27![JetBlue logo]()
$345
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:55 am
BUF
- SAN
1 stop7h 20m
United Airlines
Fri 8/2111:00 am
SAN
- BUF
2 stops9h 44m
United Airlines
Deal found 7/27![United Airlines logo]()
$328
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:09 pm
BUF
- SAN
1 stop8h 38m
American Airlines
Sat 8/2210:57 am
SAN
- BUF
2 stops9h 04m
American Airlines
Deal found 7/27![American Airlines logo]()
$337
This Cheapflightsfares deal was found by Cheapflights users on 7/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:00 am
BUF
- SAN
1 stop8h 56m
JetBlue
Thu 8/278:40 pm
SAN
- BUF
1 stop9h 57m
JetBlue
Deal found 7/25![JetBlue logo]()
$342
This JetBlue deal was found by Cheapflights users on 7/28. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2210:27 am
BUF
- SAN
1 stop12h 02m
JetBlue
Wed 8/268:40 pm
SAN
- BUF
1 stop9h 57m
JetBlue
Deal found 7/28![JetBlue logo]()
$347
This Southwest deal was found by Cheapflights users on 7/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/283:55 pm
BUF
- SAN
2 stops9h 05m
Southwest
Sun 8/3010:40 pm
SAN
- BUF
1 stop9h 05m
Southwest
Deal found 7/27![Southwest logo]()
$338
This American Airlines deal was found by Cheapflights users on 7/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/305:11 am
BUF
- SAN
1 stop6h 47m
American Airlines
Thu 9/39:36 pm
SAN
- BUF
1 stop9h 42m
American Airlines
Deal found 7/24![American Airlines logo]()
$362
This American Airlines deal was found by Cheapflights users on 7/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/315:11 am
BUF
- SAN
1 stop6h 47m
American Airlines
Sun 9/69:36 pm
SAN
- BUF
1 stop9h 42m
American Airlines
Deal found 7/26![American Airlines logo]()
$307
One-way flights from Buffalo to San DiegoSearch for one-way flight options from Buffalo to San Diego. Find affordable one-way fares based on user searches. Data last updated July 30, 2026.
Search for one-way flight options from Buffalo to San Diego. Find affordable one-way fares based on user searches. Data last updated July 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 9/181:40 pm
BUF
- SAN
2 stops29h 18m
Frontier
Deal found 7/29![Frontier logo]()
$135
This Cheapflightsfares deal was found by Cheapflights users on 7/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/212:19 pm
BUF
- SAN
1 stop10h 42m
JetBlue
Deal found 7/24![JetBlue logo]()
$142
This JetBlue deal was found by Cheapflights users on 7/28. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:19 pm
BUF
- SAN
1 stop10h 42m
JetBlue
Deal found 7/28![JetBlue logo]()
$144
This Delta deal was found by Cheapflights users on 7/25. 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 8/216:27 am
BUF
- SAN
1 stop6h 53m
Delta
Deal found 7/25![Delta logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Wed 8/2611:36 am
BUF
- SAN
2 stops30h 14m
Frontier
Deal found 7/27![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 8/1911:36 am
BUF
- SAN
2 stops30h 14m
Frontier
Deal found 7/25![Frontier logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Tue 8/2511:36 am
BUF
- SAN
2 stops24h 29m
Frontier
Deal found 7/27![Frontier logo]()
$158
This Southwest deal was found by Cheapflights users on 7/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/103:50 pm
BUF
- SAN
2 stops9h 10m
Southwest
Deal found 7/28![Southwest logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Sun 8/169:33 pm
BUF
- SAN
2 stops25h 33m
Frontier
Deal found 7/25![Frontier logo]()
$163
This American Airlines deal was found by Cheapflights users on 7/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1010:43 am
BUF
- SAN
1 stop11h 14m
American Airlines
Deal found 7/26![American Airlines logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Sun 10/118:54 pm
BUF
- SAN
2 stops26h 54m
Frontier
Deal found 7/26![Frontier logo]()
$175
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Sat 8/155:58 pm
BUF
- SAN
1 stop7h 12m
United Airlines
Deal found 7/25![United Airlines logo]()
$176
Find flight deals from Buffalo to San Diego
Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to San Diego (SAN). 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 July 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $285 (Cheapflightsfares) |
One-way from | $135 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $411 |
Cheapflights Fare Finder
Customize your flight search to find flights from Buffalo to San Diego 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 July 30, 2026.
Use the filters below to find and compare flights from Buffalo to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Sun 1/10
7:00 am-2:18 pm
1 stop10h 18m
San Diego
Sat 1/16
9:00 pm-9:05 am
1 stop9h 05m
$287
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Thu 9/10
12:02 pm-6:35 pm
1 stop9h 33m
San Diego
Mon 9/21
10:20 pm-8:24 am
1 stop7h 04m
$307
Quickest round-trip
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Fri 11/13
12:00 pm-5:59 pm
1 stop8h 59m
San Diego
Mon 11/23
10:00 pm-8:20 am
1 stop7h 20m
$307
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Thu 11/12
3:59 pm-11:59 pm
1 stop11h 00m
San Diego
Sun 11/22
10:00 pm-8:20 am
1 stop7h 20m
$307
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Thu 12/10
12:32 pm-6:42 pm
1 stop9h 10m
San Diego
Tue 12/15
10:40 pm-11:23 am
1 stop9h 43m
$307
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Mon 10/12
6:50 am-6:55 pm
1 stop15h 05m
San Diego
Sat 10/17
10:40 pm-10:15 am
1 stop8h 35m
$312
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Fri 8/28
3:55 pm-9:55 pm
2 stops9h 00m
San Diego
Mon 8/31
8:40 am-10:15 pm
1 stop10h 35m
$312
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Thu 9/10
3:50 pm-10:00 pm
2 stops9h 10m
San Diego
Mon 9/21
10:40 pm-3:25 pm
1 stop13h 45m
$318
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Fri 9/4
12:30 pm-10:00 pm
2 stops12h 30m
San Diego
Tue 9/8
10:40 pm-12:30 pm
1 stop10h 50m
$323
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Thu 11/19
3:55 pm-11:00 pm
2 stops10h 05m
San Diego
Sun 11/22
10:40 pm-10:25 am
1 stop8h 45m
$335
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Buffalo to San Diego
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 Diego in July.
| 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 |
- Most accurate provider: When it comes to deals on Buffalo-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buffalo-San Diego flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Buffalo-San Diego 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 Diego 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 Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from Buffalo with our price prediction graph.
BUF-SAN
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 Diego
How far ahead should I book a flight from Buffalo to San Diego?
Booking 71 days in advance of your planned departure date is, on average, the best time to get cheap flights from Buffalo to San Diego. 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 Diego?
Currently, October is the cheapest month in which you can book a flight from Buffalo to San Diego (average of $351). Flying from Buffalo to San Diego in December is currently the most expensive (average of $550). 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 Buffalo to San Diego?
Airfare is below average for this route at the moment.
Buffalo to San Diego flights typically cost between $350 and $456 in November.The cheapest round-trip price found within the last 5 days was $285 on JetBlue (Nov 4-Nov 9).
Reviews of airlines servicing San Diego
Get insights into the airlines that provide service to San Diego. 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 Diego. Reviews last updated July 30, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Buffalo to San Diego by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
Find useful and relevant information for your journey from Buffalo to San Diego. 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 Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
National City
Chula Vista
Poway
La Mesa
Coronado
Santee
San Ysidro
Julian
Lemon Grove
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Buffalo and San Diego flights
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Top 5 airlines flying from Buffalo to San Diego
Discover the top 5 airlines that operate flights from Buffalo to San Diego. 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 July 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$172 | Average$341 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$222 | Average$385 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$260 | Average$352 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$279 | Average$427 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$296 | Average$411 | FlexibilityNo cancel fee | On-time69% |