$169 Cheap Delta flights San Diego (SAN) to Buffalo (BUF)

View $169 flight on Wed, Sep 3, 2025Opens in a new window

$169 Cheap Delta flights San Diego (SAN) to Buffalo (BUF)

Prices were available within the past 7 days and start at $169 for one-way flights and $337 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Oct 8 - Wed, Oct 15
SAN
San Diego
BUF
Buffalo
$337 Roundtrip, found 6 hours ago
$337
Roundtrip
found 6 hours ago
Select Delta flight, departing Wed, Oct 8 from San Diego to Buffalo, returning Wed, Oct 15, priced at $337 found 6 hours ago
Delta
Wed, Aug 13 - Sat, Aug 16
SAN
San Diego
BUF
Buffalo
$351 Roundtrip, found 15 hours ago
$351
Roundtrip
found 15 hours ago
Select Delta flight, departing Wed, Aug 13 from San Diego to Buffalo, returning Sat, Aug 16, priced at $351 found 15 hours ago
Flights from San Diego (SAN) to Buffalo (BUF)
Origin airport
San Diego Intl.
Destination airport
Buffalo Niagara Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Sun Country Airlines, United
Popular airline
JetBlue Airways
Distance
2192 mi
Average flight time
7 hours 25 mins

Frequently asked questions

How much is a Delta Air Lines flight from San Diego Intl. Airport (SAN) to Buffalo Niagara Intl. Airport (BUF)?
Use the "Price (lowest to highest)" filter on Expedia to find cheap Delta Air Lines round-trip flights from $337 from SAN to BUF. Affordable one-way options from $169 are available as well.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from SAN to BUF with Delta Air Lines?
Delta Air Lines flights to Buffalo are typically cheaper in the off-peak months of January and February. Whether you need a one-way or a return ticket, you could score a better deal then.
What is the cheapest time to book flights from San Diego Intl. Airport (SAN) to Buffalo Niagara Intl. Airport (BUF) with Delta Air Lines?
Look for affordable Delta Air Lines flights from San Diego Intl. Airport (SAN) to Buffalo Niagara Intl. Airport (BUF) one to three months before your departure date. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare type and journey, the best day of the week to book a domestic flight is generally Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from San Diego Intl. Airport (SAN) to Buffalo Niagara Intl. Airport (BUF)?
Fill in your dates, press search and tick the "Nonstop" filter on Expedia to browse any direct flights from SAN to BUF with Delta Air Lines or other carriers.
What is the earliest Delta Air Lines flight from SAN to BUF?
Sort your results by "Early Morning" and "Morning" to see the earliest departures from SAN to BUF. Leaving early means you're less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in Buffalo?
Catch a Delta Air Lines flight from San Diego Intl. Airport (SAN) to Buffalo, and you're most likely to touch down at Buffalo Niagara Intl. Airport (BUF). This is the airline's primary hub in this destination.
Why fly with Delta Air Lines from SAN to BUF?
Traveling from SAN to BUF with Delta Air Lines comes with a range of perks, including an excellent in-flight experience and a rewarding loyalty program. Plus, when you book through Expedia, One Key™ members can collect OneKeyCash™* to redeem on select future travel purchases. That's on top of the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from San Diego Intl. Airport (SAN) to Buffalo Niagara Intl. Airport (BUF)?
Changes are often free within 24 hours of making your booking, but your airline may add a charge after that. For further information about altering your reservation, head to your "Trips," select your flight and click on "Manage Booking." If you want the freedom to make changes without extra charges, apply the "No cancel fee" or "Changes included" filter when organizing your trip.

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*Available to One Key members.