$145+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SAN
Apr 15 — Apr 221
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Buffalo to San Diego
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Best
Last-minute
One-way
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 March 16, 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 March 16, 2026.
This American Airlines deal was found by Cheapflights users on 3/13. 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.
Sat 5/97:00 am
BUF
- SAN
1 stop8h 14m
American Airlines
Sat 5/161:31 pm
SAN
- BUF
1 stop7h 19m
American Airlines
Deal found 3/13![American Airlines logo]()
$291
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Sat 5/911:02 am
BUF
- SAN
2 stops9h 17m
United Airlines
Sat 5/1610:40 pm
SAN
- BUF
1 stop8h 01m
United Airlines
Deal found 3/12![United Airlines logo]()
$296
This Southwest deal was found by Cheapflights users on 3/11. 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 5/53:10 pm
BUF
- SAN
2 stops9h 35m
Southwest
Tue 5/127:40 pm
SAN
- BUF
2 stops9h 10m
Southwest
Deal found 3/11![Southwest logo]()
$301
This Southwest deal was found by Cheapflights users on 3/13. 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 4/141:10 pm
BUF
- SAN
1 stop8h 45m
Southwest
Sun 5/102:10 pm
SAN
- BUF
1 stop6h 55m
Southwest
Deal found 3/13![Southwest logo]()
$314
This American Airlines deal was found by Cheapflights users on 3/12. 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 5/511:31 am
BUF
- SAN
2 stops9h 57m
American Airlines
Tue 5/1212:17 pm
SAN
- BUF
1 stop8h 02m
American Airlines
Deal found 3/12![American Airlines logo]()
$316
This Delta deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:05 am
BUF
- SAN
1 stop7h 39m
Delta
Sat 5/210:25 pm
SAN
- BUF
1 stop9h 45m
Delta
Deal found 3/15![Delta logo]()
$317
This American Airlines deal was found by Cheapflights users on 3/14. 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.
Sat 4/115:00 am
BUF
- SAN
1 stop9h 17m
American Airlines
Sat 4/1810:30 pm
SAN
- BUF
1 stop8h 48m
American Airlines
Deal found 3/14![American Airlines logo]()
$318
This JetBlue deal was found by Cheapflights users on 3/12. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/512:25 pm
BUF
- SAN
1 stop10h 39m
JetBlue
Wed 5/68:30 pm
SAN
- BUF
1 stop10h 09m
JetBlue
Deal found 3/12![JetBlue logo]()
$319
This Southwest deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/14:00 pm
BUF
- SAN
1 stop9h 00m
Southwest
Wed 5/67:40 pm
SAN
- BUF
2 stops9h 10m
Southwest
Deal found 3/15![Southwest 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 March 16, 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 March 16, 2026.
This Southwest deal was found by Cheapflights users on 3/11. 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 4/143:10 pm
BUF
- SAN
2 stops9h 20m
Southwest
Wed 5/138:30 am
SAN
- BUF
1 stop10h 15m
Southwest
Deal found 3/11![Southwest logo]()
$296
This Delta deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:56 am
BUF
- SAN
1 stop8h 24m
Delta
Wed 4/2910:10 pm
SAN
- BUF
1 stop7h 06m
Delta
Deal found 3/15![Delta logo]()
$317
This JetBlue deal was found by Cheapflights users on 3/11. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/512:25 pm
BUF
- SAN
1 stop10h 39m
JetBlue
Wed 5/68:30 pm
SAN
- BUF
1 stop10h 09m
JetBlue
Deal found 3/11![JetBlue logo]()
$319
This United Airlines deal was found by Cheapflights users on 3/12. 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 4/221:52 pm
BUF
- SAN
2 stops9h 20m
United Airlines
Mon 4/2710:30 pm
SAN
- BUF
1 stop8h 40m
United Airlines
Deal found 3/12![United Airlines logo]()
$342
This Southwest deal was found by Cheapflights users on 3/14. 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 4/2312:40 pm
BUF
- SAN
1 stop9h 20m
Southwest
Sat 4/257:40 am
SAN
- BUF
1 stop10h 00m
Southwest
Deal found 3/14![Southwest logo]()
$320
This Delta deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/284:59 pm
BUF
- SAN
1 stop9h 26m
Delta
Fri 5/19:45 pm
SAN
- BUF
1 stop10h 16m
Delta
Deal found 3/15![Delta logo]()
$337
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Sun 5/105:55 pm
BUF
- SAN
1 stop7h 44m
United Airlines
Fri 5/158:45 pm
SAN
- BUF
2 stops9h 56m
United Airlines
Deal found 3/12![United Airlines logo]()
$342
This Southwest deal was found by Cheapflights users on 3/12. 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 4/95:20 pm
BUF
- SAN
1 stop7h 40m
Southwest
Thu 4/1610:40 pm
SAN
- BUF
1 stop8h 35m
Southwest
Deal found 3/12![Southwest logo]()
$343
This Southwest deal was found by Cheapflights users on 3/12. 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 4/221:10 pm
BUF
- SAN
2 stops9h 25m
Southwest
Mon 4/279:35 pm
SAN
- BUF
2 stops9h 45m
Southwest
Deal found 3/12![Southwest logo]()
$364
This Southwest deal was found by Cheapflights users on 3/15. 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.
Thu 5/145:20 pm
BUF
- SAN
1 stop7h 40m
Southwest
Sun 5/1710:40 pm
SAN
- BUF
1 stop8h 35m
Southwest
Deal found 3/15![Southwest logo]()
$374
Last-minute flights from Buffalo to San DiegoDiscover last-minute flight deals from Buffalo to San Diego. Data last updated March 16, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to San Diego. Data last updated March 16, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 3/13. 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 4/73:55 pm
BUF
- SAN
1 stop9h 54m
American Airlines
Tue 4/1410:30 pm
SAN
- BUF
1 stop8h 48m
American Airlines
Deal found 3/13![American Airlines logo]()
$328
This Southwest deal was found by Cheapflights users on 3/11. 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 4/84:00 pm
BUF
- SAN
1 stop9h 25m
Southwest
Wed 4/157:40 pm
SAN
- BUF
2 stops9h 10m
Southwest
Deal found 3/11![Southwest logo]()
$336
This American Airlines deal was found by Cheapflights users on 3/14. 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.
Sat 4/115:00 am
BUF
- SAN
1 stop9h 17m
American Airlines
Sat 4/1810:30 pm
SAN
- BUF
1 stop8h 48m
American Airlines
Deal found 3/14![American Airlines logo]()
$318
This Southwest deal was found by Cheapflights users on 3/11. 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 4/143:10 pm
BUF
- SAN
1 stop7h 25m
Southwest
Wed 5/138:30 am
SAN
- BUF
1 stop10h 15m
Southwest
Deal found 3/11![Southwest logo]()
$291
This Southwest deal was found by Cheapflights users on 3/13. 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 4/141:10 pm
BUF
- SAN
1 stop8h 45m
Southwest
Sun 5/102:10 pm
SAN
- BUF
1 stop6h 55m
Southwest
Deal found 3/13![Southwest logo]()
$314
This American Airlines deal was found by Cheapflights users on 3/11. 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.
Thu 4/163:01 pm
BUF
- SAN
1 stop8h 42m
American Airlines
Tue 4/2111:58 am
SAN
- BUF
1 stop7h 42m
American Airlines
Deal found 3/11![American Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:05 am
BUF
- SAN
1 stop7h 39m
Delta
Sat 5/210:25 pm
SAN
- BUF
1 stop9h 45m
Delta
Deal found 3/15![Delta logo]()
$317
This Delta deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:05 am
BUF
- SAN
1 stop7h 39m
Delta
Sun 5/39:45 pm
SAN
- BUF
1 stop10h 16m
Delta
Deal found 3/15![Delta logo]()
$337
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 March 16, 2026.
Search for one-way flight options from Buffalo to San Diego. Find affordable one-way fares based on user searches. Data last updated March 16, 2026.
This American Airlines deal was found by Cheapflights users on 3/15. 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.
Wed 4/291:45 pm
BUF
- SAN
1 stop8h 15m
American Airlines
Deal found 3/15![American Airlines logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 5/412:32 pm
BUF
- SAN
2 stops47h 10m
Frontier
Deal found 3/11![Frontier logo]()
$147
This Cheapflightsfares deal was found by Cheapflights users on 3/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/91:31 pm
BUF
- SAN
1 stop9h 01m
JetBlue
Deal found 3/15![JetBlue logo]()
$153
This Cheapflightsfares deal was found by Cheapflights users on 3/12. 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.
Tue 6/231:26 pm
BUF
- SAN
1 stop9h 02m
JetBlue
Deal found 3/12![JetBlue logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
Wed 4/291:56 pm
BUF
- SAN
2 stops21h 38m
Frontier
Deal found 3/15![Frontier logo]()
$159
This JetBlue deal was found by Cheapflights users on 3/11. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:00 am
BUF
- SAN
1 stop11h 02m
JetBlue
Deal found 3/11![JetBlue logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 4/2612:07 pm
BUF
- SAN
2 stops22h 39m
Frontier
Deal found 3/12![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Fri 4/101:02 pm
BUF
- SAN
2 stops38h 00m
Frontier
Deal found 3/11![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Sat 4/111:09 pm
BUF
- SAN
2 stops45h 12m
Frontier
Deal found 3/13![Frontier logo]()
$167
This United Airlines deal was found by Cheapflights users on 3/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/107:00 am
BUF
- SAN
1 stop7h 25m
United Airlines
Deal found 3/11![United Airlines 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 March 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $291 (American Airlines) |
One-way from | $106 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $435 |
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 March 16, 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
Tue 4/14
3:10 pm-9:30 pm
2 stops9h 20m
San Diego
Wed 5/13
8:30 am-9:45 pm
1 stop10h 15m
$296
Quickest round-trip
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Tue 4/28
8:56 am-2:20 pm
1 stop8h 24m
San Diego
Wed 4/29
10:10 pm-8:16 am
1 stop7h 06m
$317
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Tue 5/5
12:25 pm-8:04 pm
1 stop10h 39m
San Diego
Wed 5/6
8:30 pm-9:39 am
1 stop10h 09m
$319
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Thu 4/23
12:40 pm-7:00 pm
1 stop9h 20m
San Diego
Sat 4/25
7:40 am-8:40 pm
1 stop10h 00m
$320
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Tue 4/28
4:59 pm-11:25 pm
1 stop9h 26m
San Diego
Fri 5/1
9:45 pm-11:01 am
1 stop10h 16m
$337
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Wed 4/22
1:52 pm-8:12 pm
2 stops9h 20m
San Diego
Mon 4/27
10:30 pm-10:10 am
1 stop8h 40m
$342
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Sun 5/10
5:55 pm-10:39 pm
1 stop7h 44m
San Diego
Fri 5/15
8:45 pm-9:41 am
2 stops9h 56m
$342
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Thu 4/9
5:20 pm-10:00 pm
1 stop7h 40m
San Diego
Thu 4/16
10:40 pm-10:15 am
1 stop8h 35m
$343
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Wed 4/22
1:10 pm-7:35 pm
2 stops9h 25m
San Diego
Mon 4/27
9:35 pm-10:20 am
2 stops9h 45m
$364
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Thu 5/14
5:20 pm-10:00 pm
1 stop7h 40m
San Diego
Sun 5/17
10:40 pm-10:15 am
1 stop8h 35m
$374
Showing 1-10 of 19 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 March.
| 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?
Use this chart to determine the optimal time to book a round-trip flight from Buffalo to San Diego. Price data was last updated on March 13, 2026.
Booking 53 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, June is the cheapest month in which you can book a flight from Buffalo to San Diego (average of $99). Flying from Buffalo to San Diego in July is currently the most expensive (average of $277). 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.
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 March 16, 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
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
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.
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Buffalo and San Diego flights
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Top 6 airlines flying from Buffalo to San Diego
Discover the top 6 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 March 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$99 | Average$285 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$172 | Average$328 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$218 | Average$351 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$230 | Average$413 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$250 | Average$381 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$296 | Average$434 | FlexibilityNo cancel fee | On-time69% |