$107+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SAN
May 29 — Jun 51
Round-trip
1 adult, Economy
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Find cheap flights from Buffalo to San Diego with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 April 29, 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 April 29, 2026.
This Southwest deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/133:55 pm
BUF
- SAN
1 stop9h 50m
Southwest
Sun 8/164:05 pm
SAN
- BUF
1 stop6h 25m
Southwest
Deal found 4/27![Southwest logo]()
$344
This Delta deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 12/16:15 am
SAN
- BUF
1 stop7h 51m
Delta
Deal found 4/24![Delta logo]()
$348
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/44:30 pm
BUF
- SAN
1 stop8h 11m
Delta
Tue 11/176:20 am
SAN
- BUF
1 stop9h 17m
Delta
Deal found 4/26![Delta logo]()
$349
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/246:00 am
BUF
- SAN
1 stop10h 33m
American Airlines
Tue 12/299:40 am
SAN
- BUF
1 stop9h 49m
American Airlines
Deal found 4/29![American Airlines logo]()
$353
This Southwest deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/319:40 am
BUF
- SAN
2 stops11h 30m
Southwest
Sun 9/68:00 am
SAN
- BUF
1 stop8h 30m
Southwest
Deal found 4/29![Southwest logo]()
$354
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:25 am
BUF
- SAN
1 stop6h 58m
Delta
Sun 6/72:49 pm
SAN
- BUF
1 stop6h 10m
Delta
Deal found 4/28![Delta logo]()
$357
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/84:46 pm
BUF
- SAN
1 stop10h 13m
American Airlines
Mon 7/139:25 pm
SAN
- BUF
1 stop8h 38m
American Airlines
Deal found 4/28![American Airlines logo]()
$360
This American Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/44:46 pm
BUF
- SAN
1 stop10h 13m
American Airlines
Tue 8/119:40 pm
SAN
- BUF
1 stop9h 38m
American Airlines
Deal found 4/26![American Airlines logo]()
$368
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 April 29, 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 April 29, 2026.
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/167:36 pm
BUF
- SAN
1 stop6h 54m
Delta
Mon 7/202:40 pm
SAN
- BUF
1 stop6h 18m
Delta
Deal found 4/28![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:00 am
BUF
- SAN
1 stop7h 21m
United Airlines
Wed 6/310:34 am
SAN
- BUF
1 stop7h 29m
United Airlines
Deal found 4/28![United Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/810:50 am
BUF
- SAN
1 stop12h 40m
Southwest
Mon 8/1011:45 am
SAN
- BUF
1 stop7h 05m
Southwest
Deal found 4/27![Southwest logo]()
$379
This JetBlue deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/239:54 am
BUF
- SAN
1 stop12h 13m
JetBlue
Wed 5/278:30 pm
SAN
- BUF
1 stop9h 28m
JetBlue
Deal found 4/28![JetBlue logo]()
$438
This Alaska Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:00 am
BUF
- SAN
1 stop8h 37m
Alaska Airlines
Wed 5/2712:34 pm
SAN
- BUF
1 stop8h 35m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$459
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2112:18 pm
BUF
- SAN
1 stop10h 05m
Delta
Mon 5/252:30 pm
SAN
- BUF
1 stop6h 29m
Delta
Deal found 4/26![Delta logo]()
$349
This Southwest deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/165:55 pm
BUF
- SAN
1 stop8h 25m
Southwest
Tue 7/219:55 pm
SAN
- BUF
1 stop14h 45m
Southwest
Deal found 4/27![Southwest logo]()
$409
This Southwest deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/15:45 am
BUF
- SAN
1 stop9h 45m
Southwest
Sat 6/69:40 pm
SAN
- BUF
2 stops9h 40m
Southwest
Deal found 4/27![Southwest logo]()
$409
This Southwest deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/125:55 pm
BUF
- SAN
1 stop8h 25m
Southwest
Wed 6/1710:40 pm
SAN
- BUF
1 stop8h 45m
Southwest
Deal found 4/24![Southwest logo]()
$429
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/274:00 pm
BUF
- SAN
2 stops9h 40m
Southwest
Wed 6/37:05 am
SAN
- BUF
2 stops8h 10m
Southwest
Deal found 4/28![Southwest logo]()
$449
Last-minute flights from Buffalo to San DiegoDiscover last-minute flight deals from Buffalo to San Diego. Data last updated April 29, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to San Diego. Data last updated April 29, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/91:45 pm
BUF
- SAN
1 stop10h 05m
American Airlines
Sat 5/1612:03 pm
SAN
- BUF
1 stop8h 47m
American Airlines
Deal found 4/25![American Airlines logo]()
$412
This Southwest deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/197:40 am
BUF
- SAN
1 stop14h 40m
Southwest
Tue 6/27:40 pm
SAN
- BUF
2 stops9h 10m
Southwest
Deal found 4/26![Southwest logo]()
$385
This Southwest deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2011:55 am
BUF
- SAN
1 stop10h 40m
Southwest
Tue 6/26:50 am
SAN
- BUF
2 stops8h 25m
Southwest
Deal found 4/26![Southwest logo]()
$404
This American Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2112:51 pm
BUF
- SAN
1 stop11h 02m
American Airlines
Thu 5/2810:45 pm
SAN
- BUF
1 stop7h 46m
American Airlines
Deal found 4/24![American Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2112:04 pm
BUF
- SAN
1 stop8h 57m
Delta
Mon 5/252:30 pm
SAN
- BUF
1 stop6h 29m
Delta
Deal found 4/27![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2212:04 pm
BUF
- SAN
1 stop8h 57m
Delta
Mon 5/252:30 pm
SAN
- BUF
1 stop6h 29m
Delta
Deal found 4/24![Delta logo]()
$349
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/224:57 pm
BUF
- SAN
1 stop9h 42m
American Airlines
Mon 5/2510:45 pm
SAN
- BUF
1 stop7h 46m
American Airlines
Deal found 4/28![American Airlines logo]()
$389
This American Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2612:51 pm
BUF
- SAN
1 stop11h 02m
American Airlines
Thu 6/410:05 am
SAN
- BUF
1 stop8h 47m
American Airlines
Deal found 4/27![American Airlines logo]()
$379
This Southwest deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/274:00 pm
BUF
- SAN
2 stops9h 40m
Southwest
Mon 6/110:30 pm
SAN
- BUF
1 stop15h 05m
Southwest
Deal found 4/29![Southwest logo]()
$395
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/274:00 pm
BUF
- SAN
1 stop9h 25m
Southwest
Wed 6/37:05 am
SAN
- BUF
2 stops8h 10m
Southwest
Deal found 4/28![Southwest logo]()
$409
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 April 29, 2026.
Search for one-way flight options from Buffalo to San Diego. Find affordable one-way fares based on user searches. Data last updated April 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2811:36 am
BUF
- SAN
2 stops28h 07m
Frontier
Deal found 4/27![Frontier logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/292:49 pm
BUF
- SAN
2 stops36h 01m
Frontier
Deal found 4/27![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1911:36 am
BUF
- SAN
2 stops34h 03m
Frontier
Deal found 4/28![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/912:41 pm
BUF
- SAN
2 stops23h 01m
Frontier
Deal found 4/24![Frontier logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/112:49 pm
BUF
- SAN
2 stops36h 01m
Frontier
Deal found 4/26![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3011:50 am
BUF
- SAN
2 stops34h 00m
Frontier
Deal found 4/27![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/82:49 pm
BUF
- SAN
2 stops36h 01m
Frontier
Deal found 4/24![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1411:50 am
BUF
- SAN
2 stops48h 15m
Frontier
Deal found 4/26![Frontier logo]()
$174
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/910:44 am
BUF
- SAN
1 stop10h 51m
American Airlines
Deal found 4/28![American Airlines logo]()
$175
This Southwest deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/89:00 am
BUF
- SAN
2 stops13h 35m
Southwest
Deal found 4/26![Southwest logo]()
$180
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 April 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $344 (Southwest) |
One-way from | $107 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $370 |
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 April 29, 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
Quickest 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
2:40 pm-11:58 pm
1 stop6h 18m
$349
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Wed 5/27
7:00 am-11:21 am
1 stop7h 21m
San Diego
Wed 6/3
10:34 am-9:03 pm
1 stop7h 29m
$349
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Thu 5/21
12:18 pm-7:23 pm
1 stop10h 05m
San Diego
Mon 5/25
2:30 pm-11:59 pm
1 stop6h 29m
$349
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Sat 8/8
10:50 am-8:30 pm
1 stop12h 40m
San Diego
Mon 8/10
11:45 am-9:50 pm
1 stop7h 05m
$379
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Thu 7/16
5:55 pm-11:20 pm
1 stop8h 25m
San Diego
Tue 7/21
9:55 pm-3:40 pm
1 stop14h 45m
$409
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Mon 6/1
5:45 am-12:30 pm
1 stop9h 45m
San Diego
Sat 6/6
9:40 pm-10:20 am
2 stops9h 40m
$409
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Fri 6/12
5:55 pm-11:20 pm
1 stop8h 25m
San Diego
Wed 6/17
10:40 pm-10:25 am
1 stop8h 45m
$429
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Sat 5/23
9:54 am-7:07 pm
1 stop12h 13m
San Diego
Wed 5/27
8:30 pm-8:58 am
1 stop9h 28m
$438
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Wed 5/27
4:00 pm-10:40 pm
2 stops9h 40m
San Diego
Wed 6/3
7:05 am-6:15 pm
2 stops8h 10m
$449
BuffaloSan Diego
BUF - SAN
BUFSAN
Buffalo
Sat 5/23
6:00 am-11:37 am
1 stop8h 37m
San Diego
Wed 5/27
12:34 pm-12:09 am
1 stop8h 35m
$459
Showing 1-10 of 21 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 April.
| 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 52 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 April 29, 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.
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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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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 April 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$172 | Average$328 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$222 | Average$365 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$250 | Average$354 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$267 | Average$401 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$296 | Average$432 | FlexibilityNo cancel fee | On-time69% |