$122+ Cheap flights from San Diego to Buffalo (SAN - BUF)
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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BUF
Jun 14 — Jun 211
Round-trip
1 adult, Economy
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Find cheap flights from San Diego to Buffalo 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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Diego to Buffalo
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Best
Last-minute
One-way
Cheapest flights from San Diego to BuffaloExplore the most affordable flight options available from San Diego to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 15, 2026.
Explore the most affordable flight options available from San Diego to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 15, 2026.
This Southwest deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:45 am
SAN
- BUF
1 stop9h 55m
Southwest
Sat 8/154:35 pm
BUF
- SAN
1 stop6h 45m
Southwest
Deal found 5/13![Southwest logo]()
$349
This Southwest deal was found by Cheapflights users on 5/12. 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.
Tue 8/117:30 am
SAN
- BUF
2 stops10h 35m
Southwest
Fri 8/145:25 pm
BUF
- SAN
1 stop6h 45m
Southwest
Deal found 5/12![Southwest logo]()
$354
This Southwest deal was found by Cheapflights users on 5/11. 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.
Thu 7/232:10 pm
SAN
- BUF
1 stop7h 00m
Southwest
Wed 7/299:00 am
BUF
- SAN
2 stops14h 25m
Southwest
Deal found 5/11![Southwest logo]()
$360
This American Airlines deal was found by Cheapflights users on 5/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/259:50 am
SAN
- BUF
1 stop10h 01m
American Airlines
Wed 8/56:50 am
BUF
- SAN
1 stop8h 43m
American Airlines
Deal found 5/11![American Airlines logo]()
$361
This American Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1412:20 pm
SAN
- BUF
1 stop7h 31m
American Airlines
Tue 7/216:00 am
BUF
- SAN
1 stop10h 05m
American Airlines
Deal found 5/15![American Airlines logo]()
$362
This Southwest deal was found by Cheapflights users on 5/12. 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 8/279:30 pm
SAN
- BUF
2 stops10h 40m
Southwest
Fri 9/45:40 am
BUF
- SAN
2 stops15h 30m
Southwest
Deal found 5/12![Southwest logo]()
$365
This American Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1510:45 pm
SAN
- BUF
1 stop7h 52m
American Airlines
Wed 7/224:46 pm
BUF
- SAN
1 stop10h 13m
American Airlines
Deal found 5/13![American Airlines logo]()
$369
This Southwest deal was found by Cheapflights users on 5/12. 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.
Tue 7/149:55 pm
SAN
- BUF
1 stop11h 05m
Southwest
Tue 7/214:25 pm
BUF
- SAN
1 stop10h 00m
Southwest
Deal found 5/12![Southwest logo]()
$370
This Delta deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/162:40 pm
SAN
- BUF
1 stop6h 18m
Delta
Mon 7/207:36 pm
BUF
- SAN
1 stop6h 54m
Delta
Deal found 5/13![Delta logo]()
$374
This Southwest deal was found by Cheapflights users on 5/12. 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.
Wed 7/157:15 am
SAN
- BUF
2 stops11h 10m
Southwest
Wed 7/224:25 pm
BUF
- SAN
1 stop10h 00m
Southwest
Deal found 5/12![Southwest logo]()
$375
Best flights from San Diego to BuffaloDiscover carefully curated flight deals from San Diego to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 15, 2026.
Discover carefully curated flight deals from San Diego to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 15, 2026.
This Delta deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1010:17 pm
SAN
- BUF
1 stop6h 58m
Delta
Thu 8/137:52 pm
BUF
- SAN
1 stop6h 48m
Delta
Deal found 5/13![Delta logo]()
$349
This Southwest deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/710:40 pm
SAN
- BUF
1 stop8h 45m
Southwest
Thu 7/165:55 pm
BUF
- SAN
1 stop8h 25m
Southwest
Deal found 5/14![Southwest logo]()
$349
This Southwest deal was found by Cheapflights users on 5/12. 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.
Fri 9/189:00 am
SAN
- BUF
1 stop9h 10m
Southwest
Mon 9/213:55 pm
BUF
- SAN
2 stops9h 00m
Southwest
Deal found 5/12![Southwest logo]()
$354
This Southwest deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/169:30 pm
SAN
- BUF
2 stops10h 40m
Southwest
Sun 9/2011:30 am
BUF
- SAN
1 stop14h 20m
Southwest
Deal found 5/15![Southwest logo]()
$360
This Delta deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/152:40 pm
SAN
- BUF
1 stop6h 18m
Delta
Mon 7/207:36 pm
BUF
- SAN
1 stop6h 54m
Delta
Deal found 5/14![Delta logo]()
$399
This Southwest deal was found by Cheapflights users on 5/11. 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.
Fri 7/249:40 pm
SAN
- BUF
1 stop7h 10m
Southwest
Wed 7/299:00 am
BUF
- SAN
2 stops14h 25m
Southwest
Deal found 5/11![Southwest logo]()
$360
This Southwest deal was found by Cheapflights users on 5/10. 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.
Mon 6/19:35 pm
SAN
- BUF
2 stops9h 45m
Southwest
Sat 6/64:50 pm
BUF
- SAN
2 stops9h 00m
Southwest
Deal found 5/10![Southwest logo]()
$422
Last-minute flights from San Diego to BuffaloDiscover last-minute flight deals from San Diego to Buffalo. Data last updated May 15, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Buffalo. Data last updated May 15, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 5/10. 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 5/279:50 am
SAN
- BUF
2 stops9h 07m
American Airlines
Fri 5/2912:51 pm
BUF
- SAN
1 stop8h 44m
American Airlines
Deal found 5/10![American Airlines logo]()
$374
This Southwest deal was found by Cheapflights users on 5/11. 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.
Mon 6/19:40 pm
SAN
- BUF
1 stop7h 10m
Southwest
Thu 6/44:40 pm
BUF
- SAN
2 stops9h 25m
Southwest
Deal found 5/11![Southwest logo]()
$354
This American Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/89:55 pm
SAN
- BUF
1 stop9h 24m
American Airlines
Tue 6/92:47 pm
BUF
- SAN
1 stop9h 06m
American Airlines
Deal found 5/13![American Airlines logo]()
$349
This American Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:50 am
SAN
- BUF
1 stop8h 50m
American Airlines
Tue 7/76:00 am
BUF
- SAN
1 stop10h 05m
American Airlines
Deal found 5/14![American Airlines logo]()
$378
This American Airlines deal was found by Cheapflights users on 5/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1110:45 pm
SAN
- BUF
1 stop7h 44m
American Airlines
Mon 6/1512:47 pm
BUF
- SAN
1 stop11h 06m
American Airlines
Deal found 5/12![American Airlines logo]()
$381
This American Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/229:55 pm
SAN
- BUF
1 stop9h 24m
American Airlines
Tue 6/305:25 am
BUF
- SAN
1 stop8h 48m
American Airlines
Deal found 5/14![American Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2310:45 pm
SAN
- BUF
1 stop7h 44m
American Airlines
Tue 6/305:25 am
BUF
- SAN
1 stop8h 48m
American Airlines
Deal found 5/13![American Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/231:19 pm
SAN
- BUF
1 stop8h 19m
American Airlines
Tue 7/76:00 am
BUF
- SAN
1 stop10h 05m
American Airlines
Deal found 5/14![American Airlines logo]()
$398
This United Airlines deal was found by Cheapflights users on 5/12. 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 6/2410:40 pm
SAN
- BUF
1 stop8h 20m
United Airlines
Tue 6/306:04 pm
BUF
- SAN
1 stop7h 30m
United Airlines
Deal found 5/12![United Airlines logo]()
$388
One-way flights from San Diego to BuffaloSearch for one-way flight options from San Diego to Buffalo. Find affordable one-way fares based on user searches. Data last updated May 15, 2026.
Search for one-way flight options from San Diego to Buffalo. Find affordable one-way fares based on user searches. Data last updated May 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:53 pm
SAN
- BUF
2 stops33h 47m
Frontier
Deal found 5/15![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:25 am
SAN
- BUF
2 stops28h 29m
Frontier
Deal found 5/12![Frontier logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/236:25 am
SAN
- BUF
2 stops28h 28m
Frontier
Deal found 5/12![Frontier logo]()
$174
This Delta deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/162:49 pm
SAN
- BUF
1 stop6h 10m
Delta
Deal found 5/14![Delta logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/299:37 am
SAN
- BUF
2 stops22h 03m
Frontier
Deal found 5/15![Frontier logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/99:43 am
SAN
- BUF
2 stops30h 29m
Frontier
Deal found 5/13![Frontier logo]()
$177
This Southwest deal was found by Cheapflights users on 5/12. 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 7/2311:55 am
SAN
- BUF
2 stops9h 15m
Southwest
Deal found 5/12![Southwest logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1512:29 pm
SAN
- BUF
2 stops46h 24m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/319:37 am
SAN
- BUF
2 stops25h 17m
Frontier
Deal found 5/12![Frontier logo]()
$190
This American Airlines deal was found by Cheapflights users on 5/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2310:45 pm
SAN
- BUF
1 stop7h 44m
American Airlines
Deal found 5/12![American Airlines logo]()
$195
This Delta deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/1310:15 pm
SAN
- BUF
1 stop7h 08m
Delta
Deal found 5/14![Delta logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/81:38 pm
SAN
- BUF
2 stops18h 32m
Frontier
Deal found 5/13![Frontier logo]()
$201
Find flight deals from San Diego to Buffalo
Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Buffalo (BUF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $349 (Delta) |
One-way from | $122 (Kiwi.com) |
Popular in | March |
Cheapest in | February |
Average price | $526 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Diego to Buffalo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 15, 2026.
Use the filters below to find and compare flights from San Diego to Buffalo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San DiegoBuffalo
SAN - BUF
SANBUF
San Diego
Mon 8/10
10:17 pm-8:15 am
1 stop6h 58m
Buffalo
Thu 8/13
7:52 pm-11:40 pm
1 stop6h 48m
$349
San DiegoBuffalo
SAN - BUF
SANBUF
San Diego
Tue 7/7
10:40 pm-10:25 am
1 stop8h 45m
Buffalo
Thu 7/16
5:55 pm-11:20 pm
1 stop8h 25m
$349
San DiegoBuffalo
SAN - BUF
SANBUF
San Diego
Fri 9/18
9:00 am-9:10 pm
1 stop9h 10m
Buffalo
Mon 9/21
3:55 pm-9:55 pm
2 stops9h 00m
$354
San DiegoBuffalo
SAN - BUF
SANBUF
San Diego
Wed 9/16
9:30 pm-11:10 am
2 stops10h 40m
Buffalo
Sun 9/20
11:30 am-10:50 pm
1 stop14h 20m
$360
San DiegoBuffalo
SAN - BUF
SANBUF
San Diego
Fri 7/24
9:40 pm-7:50 am
1 stop7h 10m
Buffalo
Wed 7/29
9:00 am-8:25 pm
2 stops14h 25m
$360
Quickest round-trip
San DiegoBuffalo
SAN - BUF
SANBUF
San Diego
Wed 7/15
2:40 pm-11:58 pm
1 stop6h 18m
Buffalo
Mon 7/20
7:36 pm-11:30 pm
1 stop6h 54m
$399
San DiegoBuffalo
SAN - BUF
SANBUF
San Diego
Mon 6/1
9:35 pm-10:20 am
2 stops9h 45m
Buffalo
Sat 6/6
4:50 pm-10:50 pm
2 stops9h 00m
$422
Cheapest one-way
San DiegoBuffalo
SAN - BUF
SANBUF
San Diego
Thu 7/23
10:25 pm-10:00 am
1 stop8h 35m
$175
Quickest one-way
San DiegoBuffalo
SAN - BUF
SANBUF
San Diego
Tue 6/16
2:49 pm-11:59 pm
1 stop6h 10m
$175
San DiegoBuffalo
SAN - BUF
SANBUF
San Diego
Sat 6/20
6:20 am-6:27 pm
1 stop9h 07m
$175
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from San Diego to Buffalo
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 San Diego to Buffalo in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Diego-Buffalo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Buffalo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Buffalo flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Diego-Buffalo 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 San Diego-Buffalo 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 San Diego to Buffalo
Have a flexible travel schedule? Discover the best time to fly to Buffalo from San Diego with our price prediction graph.
SAN-BUF
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 San Diego to Buffalo
How far ahead should I book a flight from San Diego to Buffalo?
To ensure you get the cheapest price possible for a flight from San Diego to Buffalo, you should look to book at least 39 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from San Diego to Buffalo?
Currently, February is the cheapest month in which you can book a flight from San Diego to Buffalo (average of $334). Flying from San Diego to Buffalo in March is currently the most expensive (average of $684). 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 San Diego to Buffalo?
Reviews of airlines servicing Buffalo
Get insights into the airlines that provide service to Buffalo. 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 Buffalo. Reviews last updated May 15, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from San Diego to Buffalo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Related info for your journey
Find useful and relevant information for your journey from San Diego to Buffalo. 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 Buffalo?
Book flights to Buffalo if you plan to visit one of these locationsLockport
Cheektowaga
Amherst
Batavia
Williamsville
Orchard Park
Eden
West Seneca
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Top 6 airlines flying from San Diego to Buffalo
Discover the top 6 airlines that operate flights from San Diego to Buffalo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$139 | Average$268 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$155 | Average$290 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$196 | Average$383 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$256 | Average$416 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$296 | Average$436 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$329 | Average$506 | FlexibilityNo cancel fee | On-time63% |