$99+ 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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SAN
Aug 13 — Aug 201
Round-trip
1 adult, Economy
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Find cheap flights from Buffalo to San Diego 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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Best
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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 14, 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 14, 2026.
This Southwest deal was found by Cheapflights users on 7/10. 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 8/201:40 pm
BUF
- SAN
1 stop9h 20m
Southwest
Thu 8/2710:40 pm
SAN
- BUF
1 stop9h 30m
Southwest
Deal found 7/10![Southwest logo]()
$198
This American Airlines deal was found by Cheapflights users on 7/10. 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 8/265:11 am
BUF
- SAN
1 stop6h 47m
American Airlines
Mon 8/319:36 pm
SAN
- BUF
1 stop9h 42m
American Airlines
Deal found 7/10![American Airlines logo]()
$199
This Southwest deal was found by Cheapflights users on 7/10. 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 10/14:50 pm
BUF
- SAN
2 stops9h 25m
Southwest
Tue 10/66:15 am
SAN
- BUF
1 stop9h 05m
Southwest
Deal found 7/10![Southwest logo]()
$204
This Southwest deal was found by Cheapflights users on 7/10. 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 8/2612:35 pm
BUF
- SAN
2 stops8h 45m
Southwest
Mon 8/3110:40 pm
SAN
- BUF
1 stop9h 40m
Southwest
Deal found 7/10![Southwest logo]()
$209
This Southwest deal was found by Cheapflights users on 7/11. 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 11/34:55 pm
BUF
- SAN
1 stop9h 05m
Southwest
Tue 12/17:50 pm
SAN
- BUF
2 stops9h 35m
Southwest
Deal found 7/11![Southwest logo]()
$215
This American Airlines deal was found by Cheapflights users on 7/10. 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 8/186:50 am
BUF
- SAN
1 stop8h 58m
American Airlines
Sat 8/229:36 pm
SAN
- BUF
1 stop9h 42m
American Airlines
Deal found 7/10![American Airlines logo]()
$221
This American Airlines deal was found by Cheapflights users on 7/10. 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 9/186:56 pm
BUF
- SAN
1 stop7h 29m
American Airlines
Tue 9/2210:46 pm
SAN
- BUF
1 stop9h 53m
American Airlines
Deal found 7/10![American Airlines logo]()
$223
This Southwest deal was found by Cheapflights users on 7/10. 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
Sat 9/510:40 pm
SAN
- BUF
1 stop8h 20m
Southwest
Deal found 7/10![Southwest logo]()
$228
This American Airlines deal was found by Cheapflights users on 7/10. 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 8/176:09 pm
BUF
- SAN
1 stop8h 38m
American Airlines
Wed 8/196:15 am
SAN
- BUF
1 stop7h 41m
American Airlines
Deal found 7/10![American Airlines logo]()
$236
This Southwest deal was found by Cheapflights users on 7/10. 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
- SAN
1 stop6h 45m
Southwest
Sun 8/302:25 pm
SAN
- BUF
1 stop8h 05m
Southwest
Deal found 7/10![Southwest logo]()
$248
This American Airlines deal was found by Cheapflights users on 7/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:09 pm
BUF
- SAN
1 stop8h 38m
American Airlines
Tue 8/186:15 am
SAN
- BUF
1 stop7h 45m
American Airlines
Deal found 7/9![American Airlines logo]()
$252
This Southwest deal was found by Cheapflights users on 7/10. 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 8/2612:35 pm
BUF
- SAN
2 stops8h 45m
Southwest
Sat 8/2910:40 pm
SAN
- BUF
1 stop9h 10m
Southwest
Deal found 7/10![Southwest logo]()
$253
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 14, 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 14, 2026.
This Southwest deal was found by Cheapflights users on 7/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:10 pm
BUF
- SAN
1 stop7h 35m
Southwest
Sun 11/81:00 pm
SAN
- BUF
1 stop9h 00m
Southwest
Deal found 7/9![Southwest logo]()
$248
This JetBlue deal was found by Cheapflights users on 7/13. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1212:10 pm
BUF
- SAN
1 stop10h 51m
JetBlue
Tue 9/159:30 pm
SAN
- BUF
1 stop7h 54m
JetBlue
Deal found 7/13![JetBlue logo]()
$257
This Delta deal was found by Cheapflights users on 7/10. 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 1/105:55 pm
BUF
- SAN
1 stop6h 57m
Delta
Sat 1/1610:55 am
SAN
- BUF
1 stop10h 00m
Delta
Deal found 7/10![Delta logo]()
$297
This United Airlines deal was found by Cheapflights users on 7/12. 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 8/192:53 pm
BUF
- SAN
1 stop8h 36m
United Airlines
Sat 8/2210:40 pm
SAN
- BUF
1 stop7h 48m
United Airlines
Deal found 7/12![United Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 7/12. 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 11/223:50 pm
BUF
- SAN
1 stop9h 02m
Delta
Tue 12/110:30 pm
SAN
- BUF
1 stop6h 59m
Delta
Deal found 7/12![Delta logo]()
$297
This Southwest deal was found by Cheapflights users on 7/11. 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 9/3012:35 pm
BUF
- SAN
2 stops8h 45m
Southwest
Sun 10/410:40 pm
SAN
- BUF
1 stop8h 45m
Southwest
Deal found 7/11![Southwest logo]()
$302
This United Airlines deal was found by Cheapflights users on 7/13. 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.
Sun 9/206:55 am
BUF
- SAN
1 stop7h 30m
United Airlines
Sat 9/2610:30 pm
SAN
- BUF
1 stop7h 59m
United Airlines
Deal found 7/13![United Airlines logo]()
$324
This Southwest deal was found by Cheapflights users on 7/12. 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 10/294:50 pm
BUF
- SAN
2 stops9h 25m
Southwest
Tue 11/39:20 am
SAN
- BUF
2 stops8h 25m
Southwest
Deal found 7/12![Southwest logo]()
$307
This Southwest deal was found by Cheapflights users on 7/14. 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.
Thu 9/33:55 pm
BUF
- SAN
1 stop9h 50m
Southwest
Sat 9/1211:10 am
SAN
- BUF
2 stops8h 35m
Southwest
Deal found 7/14![Southwest logo]()
$315
Last-minute flights from Buffalo to San DiegoDiscover last-minute flight deals from Buffalo to San Diego. Data last updated July 14, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to San Diego. Data last updated July 14, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:09 pm
BUF
- SAN
1 stop8h 38m
American Airlines
Tue 8/186:15 am
SAN
- BUF
1 stop7h 45m
American Airlines
Deal found 7/9![American Airlines logo]()
$252
This American Airlines deal was found by Cheapflights users on 7/10. 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 8/166:09 pm
BUF
- SAN
1 stop8h 38m
American Airlines
Tue 8/189:36 pm
SAN
- BUF
1 stop9h 42m
American Airlines
Deal found 7/10![American Airlines logo]()
$255
This American Airlines deal was found by Cheapflights users on 7/10. 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 8/176:09 pm
BUF
- SAN
1 stop8h 38m
American Airlines
Wed 8/196:15 am
SAN
- BUF
1 stop7h 41m
American Airlines
Deal found 7/10![American Airlines logo]()
$236
This American Airlines deal was found by Cheapflights users on 7/10. 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 8/186:50 am
BUF
- SAN
1 stop8h 58m
American Airlines
Sat 8/229:36 pm
SAN
- BUF
1 stop9h 42m
American Airlines
Deal found 7/10![American Airlines logo]()
$221
This Southwest deal was found by Cheapflights users on 7/10. 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 8/201:40 pm
BUF
- SAN
1 stop9h 20m
Southwest
Thu 8/2710:40 pm
SAN
- BUF
1 stop9h 30m
Southwest
Deal found 7/10![Southwest logo]()
$198
This American Airlines deal was found by Cheapflights users on 7/10. 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 8/265:11 am
BUF
- SAN
1 stop6h 47m
American Airlines
Mon 8/319:36 pm
SAN
- BUF
1 stop9h 42m
American Airlines
Deal found 7/10![American Airlines logo]()
$199
This Southwest deal was found by Cheapflights users on 7/10. 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 8/2612:35 pm
BUF
- SAN
2 stops8h 45m
Southwest
Mon 8/3110:40 pm
SAN
- BUF
1 stop9h 40m
Southwest
Deal found 7/10![Southwest logo]()
$209
This Southwest deal was found by Cheapflights users on 7/10. 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 8/2612:35 pm
BUF
- SAN
2 stops8h 45m
Southwest
Sat 8/2910:40 pm
SAN
- BUF
1 stop9h 10m
Southwest
Deal found 7/10![Southwest logo]()
$253
This Southwest deal was found by Cheapflights users on 7/10. 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
- SAN
1 stop6h 45m
Southwest
Sun 8/302:25 pm
SAN
- BUF
1 stop8h 05m
Southwest
Deal found 7/10![Southwest logo]()
$248
This American Airlines deal was found by Cheapflights users on 7/10. 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 8/286:09 pm
BUF
- SAN
1 stop8h 38m
American Airlines
Sat 9/510:30 pm
SAN
- BUF
1 stop9h 11m
American Airlines
Deal found 7/10![American Airlines logo]()
$223
This Southwest deal was found by Cheapflights users on 7/10. 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
Sat 9/510:40 pm
SAN
- BUF
1 stop8h 20m
Southwest
Deal found 7/10![Southwest logo]()
$228
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 14, 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 14, 2026.
This Southwest deal was found by Cheapflights users on 7/10. 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 9/171:40 pm
BUF
- SAN
1 stop9h 20m
Southwest
Deal found 7/10![Southwest logo]()
$99
This American Airlines deal was found by Cheapflights users on 7/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:09 pm
BUF
- SAN
1 stop8h 20m
American Airlines
Deal found 7/9![American Airlines logo]()
$100
This American Airlines deal was found by Cheapflights users on 7/10. 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 8/116:00 am
BUF
- SAN
1 stop8h 06m
American Airlines
Deal found 7/10![American Airlines logo]()
$122
This American Airlines deal was found by Cheapflights users on 7/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:56 pm
BUF
- SAN
1 stop7h 29m
American Airlines
Deal found 7/9![American Airlines logo]()
$124
This JetBlue deal was found by Cheapflights users on 7/13. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:10 pm
BUF
- SAN
1 stop10h 51m
JetBlue
Deal found 7/13![JetBlue logo]()
$129
This American Airlines deal was found by Cheapflights users on 7/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:56 pm
BUF
- SAN
1 stop9h 21m
American Airlines
Deal found 7/9![American Airlines logo]()
$136
This Delta deal was found by Cheapflights users on 7/13. 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 11/214:59 pm
BUF
- SAN
1 stop9h 04m
Delta
Deal found 7/13![Delta logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 8/172:48 pm
BUF
- SAN
2 stops32h 27m
Frontier
Deal found 7/9![Frontier logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 8/1111:29 am
BUF
- SAN
2 stops24h 41m
Frontier
Deal found 7/10![Frontier logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 8/3111:36 am
BUF
- SAN
2 stops39h 15m
Frontier
Deal found 7/11![Frontier logo]()
$153
This United Airlines deal was found by Cheapflights users on 7/13. 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.
Sat 8/2210:30 am
BUF
- SAN
2 stops9h 56m
United Airlines
Deal found 7/13![United Airlines logo]()
$154
This Cheapflightsfares deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:00 am
BUF
- SAN
1 stop8h 56m
JetBlue
Deal found 7/12![JetBlue logo]()
$156
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 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $198 (Southwest) |
One-way from | $99 (Southwest) |
Popular in | December |
Cheapest in | October |
Average price | $412 |
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 14, 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
Thu 11/5
7:10 pm-11:45 pm
1 stop7h 35m
San Diego
Sun 11/8
1:00 pm-1:00 am
1 stop9h 00m
$248
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Sat 9/12
12:10 pm-8:01 pm
1 stop10h 51m
San Diego
Tue 9/15
9:30 pm-8:24 am
1 stop7h 54m
$257
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Sun 1/10
5:55 pm-9:52 pm
1 stop6h 57m
San Diego
Sat 1/16
10:55 am-11:55 pm
1 stop10h 00m
$297
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Wed 8/19
2:53 pm-8:29 pm
1 stop8h 36m
San Diego
Sat 8/22
10:40 pm-9:28 am
1 stop7h 48m
$297
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Sun 11/22
3:50 pm-9:52 pm
1 stop9h 02m
San Diego
Tue 12/1
10:30 pm-8:29 am
1 stop6h 59m
$297
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Wed 9/30
12:35 pm-6:20 pm
2 stops8h 45m
San Diego
Sun 10/4
10:40 pm-10:25 am
1 stop8h 45m
$302
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Thu 10/29
4:50 pm-11:15 pm
2 stops9h 25m
San Diego
Tue 11/3
9:20 am-8:45 pm
2 stops8h 25m
$307
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Thu 9/3
3:55 pm-10:45 pm
1 stop9h 50m
San Diego
Sat 9/12
11:10 am-10:45 pm
2 stops8h 35m
$315
Quickest round-trip
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Sun 9/20
6:55 am-11:25 am
1 stop7h 30m
San Diego
Sat 9/26
10:30 pm-9:29 am
1 stop7h 59m
$324
Cheapest one-way
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Sat 10/10
4:55 pm-9:25 pm
1 stop7h 30m
$99
Showing 1-10 of 18 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.
What is the cheapest time of day to fly from BUF to SAN?
Find hourly flight availability from Buffalo to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 14, 2026.
When flying from Buffalo to San Diego, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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 14, 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.
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
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
Browse other Buffalo and San Diego flight options. Last updated on July 14, 2026.
Other flights from Buffalo
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Other flights to San Diego
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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 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$172 | Average$338 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$222 | Average$388 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$250 | Average$351 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$267 | Average$429 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$296 | Average$407 | FlexibilityNo cancel fee | On-time69% |