$128+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SAN
Jul 7 — Jul 141
Round-trip
1 adult, Economy
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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 June 7, 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 June 7, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:10 pm
BUF
- SAN
1 stop10h 51m
JetBlue
Tue 9/229:30 pm
SAN
- BUF
1 stop7h 54m
JetBlue
Deal found 6/7![JetBlue logo]()
$252
This Cheapflightsfares deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:00 am
BUF
- SAN
1 stop8h 56m
JetBlue
Fri 9/1110:40 am
SAN
- BUF
1 stop10h 10m
JetBlue
Deal found 6/7![JetBlue logo]()
$274
This Cheapflightsfares deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/31:31 pm
BUF
- SAN
1 stop8h 59m
JetBlue
Thu 7/98:40 pm
SAN
- BUF
1 stop9h 55m
JetBlue
Deal found 6/4![JetBlue logo]()
$276
This Cheapflightsfares deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:00 am
BUF
- SAN
1 stop8h 55m
JetBlue
Mon 7/208:40 pm
SAN
- BUF
1 stop9h 55m
JetBlue
Deal found 6/7![JetBlue logo]()
$279
This Cheapflightsfares deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:10 pm
BUF
- SAN
1 stop10h 51m
JetBlue
Sun 9/208:20 pm
SAN
- BUF
1 stop11h 54m
JetBlue
Deal found 6/6![JetBlue logo]()
$281
This Cheapflightsfares deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:00 am
BUF
- SAN
1 stop8h 55m
JetBlue
Mon 7/138:40 pm
SAN
- BUF
1 stop9h 55m
JetBlue
Deal found 6/7![JetBlue logo]()
$286
This Cheapflightsfares deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:25 am
BUF
- SAN
1 stop12h 03m
JetBlue
Tue 8/258:40 pm
SAN
- BUF
1 stop9h 54m
JetBlue
Deal found 6/7![JetBlue logo]()
$296
This JetBlue deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:00 am
BUF
- SAN
1 stop8h 56m
JetBlue
Wed 8/268:40 pm
SAN
- BUF
1 stop9h 54m
JetBlue
Deal found 6/4![JetBlue logo]()
$301
This Cheapflightsfares deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Mon 8/318:40 pm
SAN
- BUF
1 stop9h 54m
JetBlue
Deal found 6/5![JetBlue logo]()
$310
This Cheapflightsfares deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1412:10 pm
BUF
- SAN
1 stop10h 51m
JetBlue
Sun 10/188:40 pm
SAN
- BUF
1 stop11h 34m
JetBlue
Deal found 6/5![JetBlue logo]()
$325
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 June 7, 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 June 7, 2026.
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/167:36 pm
BUF
- SAN
1 stop6h 54m
Delta
Mon 7/2010:15 pm
SAN
- BUF
1 stop6h 59m
Delta
Deal found 6/5![Delta logo]()
$351
This Southwest deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/218:30 am
BUF
- SAN
2 stops8h 30m
Southwest
Tue 7/289:55 pm
SAN
- BUF
1 stop11h 05m
Southwest
Deal found 6/4![Southwest logo]()
$411
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:55 am
BUF
- SAN
2 stops13h 31m
United Airlines
Thu 8/2710:40 pm
SAN
- BUF
1 stop7h 48m
United Airlines
Deal found 6/5![United Airlines logo]()
$466
This JetBlue deal was found by Cheapflights users on 6/3. 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.
Fri 7/36:00 am
BUF
- SAN
1 stop8h 56m
JetBlue
Fri 7/108:30 pm
SAN
- BUF
1 stop8h 22m
JetBlue
Deal found 6/3![JetBlue logo]()
$501
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:29 am
BUF
- SAN
1 stop6h 58m
Delta
Sun 7/1210:15 pm
SAN
- BUF
1 stop6h 59m
Delta
Deal found 6/5![Delta logo]()
$424
This Southwest deal was found by Cheapflights users on 6/2. 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 7/234:40 pm
BUF
- SAN
1 stop6h 35m
Southwest
Fri 7/319:40 pm
SAN
- BUF
1 stop7h 10m
Southwest
Deal found 6/2![Southwest logo]()
$475
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/315:58 pm
BUF
- SAN
1 stop7h 12m
United Airlines
Sun 9/69:45 pm
SAN
- BUF
2 stops9h 10m
United Airlines
Deal found 6/6![United Airlines logo]()
$486
This Southwest deal was found by Cheapflights users on 6/3. 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 7/216:00 am
BUF
- SAN
2 stops11h 15m
Southwest
Sat 7/259:40 pm
SAN
- BUF
2 stops9h 40m
Southwest
Deal found 6/3![Southwest logo]()
$487
This Southwest deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/24:40 pm
BUF
- SAN
2 stops9h 00m
Southwest
Tue 7/77:15 pm
SAN
- BUF
2 stops9h 45m
Southwest
Deal found 6/6![Southwest logo]()
$488
This Southwest deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/125:15 am
BUF
- SAN
2 stops9h 55m
Southwest
Fri 7/1710:40 pm
SAN
- BUF
1 stop8h 40m
Southwest
Deal found 6/3![Southwest logo]()
$542
Last-minute flights from Buffalo to San DiegoDiscover last-minute flight deals from Buffalo to San Diego. Data last updated June 7, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to San Diego. Data last updated June 7, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/21:31 pm
BUF
- SAN
1 stop8h 59m
JetBlue
Tue 7/78:40 pm
SAN
- BUF
1 stop9h 55m
JetBlue
Deal found 6/6![JetBlue logo]()
$329
This Cheapflightsfares deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/31:31 pm
BUF
- SAN
1 stop8h 59m
JetBlue
Thu 7/98:40 pm
SAN
- BUF
1 stop9h 55m
JetBlue
Deal found 6/4![JetBlue logo]()
$276
This Cheapflightsfares deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/810:25 am
BUF
- SAN
1 stop12h 02m
JetBlue
Sun 7/128:40 pm
SAN
- BUF
1 stop10h 06m
JetBlue
Deal found 6/4![JetBlue logo]()
$327
This Cheapflightsfares deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/96:00 am
BUF
- SAN
1 stop8h 55m
JetBlue
Sun 7/128:40 pm
SAN
- BUF
1 stop10h 06m
JetBlue
Deal found 6/6![JetBlue logo]()
$337
This Cheapflightsfares deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:00 am
BUF
- SAN
1 stop8h 55m
JetBlue
Mon 7/138:40 pm
SAN
- BUF
1 stop9h 55m
JetBlue
Deal found 6/7![JetBlue logo]()
$286
This Cheapflightsfares deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:00 am
BUF
- SAN
1 stop8h 55m
JetBlue
Mon 7/208:40 pm
SAN
- BUF
1 stop9h 55m
JetBlue
Deal found 6/7![JetBlue logo]()
$279
This American Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:32 am
BUF
- SAN
1 stop8h 55m
American Airlines
Wed 7/2210:45 pm
SAN
- BUF
1 stop7h 52m
American Airlines
Deal found 6/5![American Airlines logo]()
$359
This JetBlue deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1510:25 am
BUF
- SAN
1 stop12h 02m
JetBlue
Tue 7/218:40 pm
SAN
- BUF
1 stop9h 55m
JetBlue
Deal found 6/5![JetBlue logo]()
$370
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/167:36 pm
BUF
- SAN
1 stop6h 54m
Delta
Mon 7/2010:15 pm
SAN
- BUF
1 stop6h 59m
Delta
Deal found 6/5![Delta logo]()
$351
This American Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:01 am
BUF
- SAN
1 stop10h 04m
American Airlines
Sat 7/2510:45 pm
SAN
- BUF
1 stop7h 52m
American Airlines
Deal found 6/6![American Airlines logo]()
$369
This Cheapflightsfares deal was found by Cheapflights users on 6/3. 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.
Tue 7/286:00 am
BUF
- SAN
1 stop8h 55m
JetBlue
Tue 8/48:40 pm
SAN
- BUF
1 stop9h 55m
JetBlue
Deal found 6/3![JetBlue logo]()
$355
This American Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/284:45 pm
BUF
- SAN
1 stop9h 41m
American Airlines
Tue 8/46:50 am
SAN
- BUF
1 stop8h 53m
American Airlines
Deal found 6/6![American Airlines logo]()
$361
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 June 7, 2026.
Search for one-way flight options from Buffalo to San Diego. Find affordable one-way fares based on user searches. Data last updated June 7, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:10 pm
BUF
- SAN
1 stop10h 51m
JetBlue
Deal found 6/6![JetBlue logo]()
$128
This JetBlue deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 6/4![JetBlue logo]()
$129
This Cheapflightsfares deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Deal found 6/6![JetBlue logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 9/811:35 am
BUF
- SAN
2 stops39h 24m
Frontier
Deal found 6/3![Frontier logo]()
$142
This Cheapflightsfares deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1210:25 am
BUF
- SAN
1 stop12h 03m
JetBlue
Deal found 6/6![JetBlue logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 6/3![Frontier logo]()
$157
This Cheapflightsfares deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1310:25 am
BUF
- SAN
1 stop12h 03m
JetBlue
Deal found 6/4![JetBlue logo]()
$158
This Trip.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/202:48 pm
BUF
- SAN
2 stops26h 20m
Frontier
Deal found 6/3![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 8/411:29 am
BUF
- SAN
2 stops24h 36m
Frontier
Deal found 6/3![Frontier logo]()
$166
This Cheapflightsfares deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1412:10 pm
BUF
- SAN
1 stop10h 51m
JetBlue
Deal found 6/5![JetBlue logo]()
$168
This Trip.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/29:02 pm
BUF
- SAN
2 stops49h 32m
Frontier
Deal found 6/4![Frontier logo]()
$169
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 June 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $252 (Cheapflightsfares) |
One-way from | $128 (Cheapflightsfares) |
Popular in | December |
Cheapest in | October |
Average price | $397 |
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 June 7, 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 7/16
7:36 pm-11:30 pm
1 stop6h 54m
San Diego
Mon 7/20
10:15 pm-8:14 am
1 stop6h 59m
$351
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Tue 7/21
8:30 am-2:00 pm
2 stops8h 30m
San Diego
Tue 7/28
9:55 pm-12:00 pm
1 stop11h 05m
$411
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Wed 7/8
6:29 am-10:27 am
1 stop6h 58m
San Diego
Sun 7/12
10:15 pm-8:14 am
1 stop6h 59m
$424
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Mon 8/24
6:55 am-5:26 pm
2 stops13h 31m
San Diego
Thu 8/27
10:40 pm-9:28 am
1 stop7h 48m
$466
Quickest round-trip
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Thu 7/23
4:40 pm-8:15 pm
1 stop6h 35m
San Diego
Fri 7/31
9:40 pm-7:50 am
1 stop7h 10m
$475
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Mon 8/31
5:58 pm-10:10 pm
1 stop7h 12m
San Diego
Sun 9/6
9:45 pm-9:55 am
2 stops9h 10m
$486
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Tue 7/21
6:00 am-2:15 pm
2 stops11h 15m
San Diego
Sat 7/25
9:40 pm-10:20 am
2 stops9h 40m
$487
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Thu 7/2
4:40 pm-10:40 pm
2 stops9h 00m
San Diego
Tue 7/7
7:15 pm-8:00 am
2 stops9h 45m
$488
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Fri 7/3
6:00 am-11:56 am
1 stop8h 56m
San Diego
Fri 7/10
8:30 pm-7:52 am
1 stop8h 22m
$501
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Sun 7/12
5:15 am-12:10 pm
2 stops9h 55m
San Diego
Fri 7/17
10:40 pm-10:20 am
1 stop8h 40m
$542
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 June.
| 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 84 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 $529). 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?
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 June 7, 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
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
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
Chula Vista
National City
Poway
Coronado
La Mesa
Santee
Julian
Lemon Grove
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Buffalo and San Diego flights
Browse other Buffalo and San Diego flight options. Last updated on June 7, 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 June 7, 2026.
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Other flights to San Diego
Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 7, 2026.
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 June 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$172 | Average$328 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$222 | Average$373 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$250 | Average$352 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$267 | Average$410 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$296 | Average$411 | FlexibilityNo cancel fee | On-time69% |