Cheap Flights from Buffalo Niagara to San Diego

Compare Buffalo Niagara to San Diego flight deals

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Flight deals from Buffalo Niagara to San Diego

Looking for a cheap last-minute deal or the best return flight from Buffalo Niagara Airport to San Diego? If you want to travel next month, return fares start from R 4,743. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Buffalo Niagara to San Diego

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Buffalo Niagara to San Diego flights are currently cheapest in August.

Alternative Buffalo Niagara to San Diego routes

Looking for the cheapest, fastest or easiest route from Buffalo Niagara to San Diego? You could fly into the following airports instead.

Buffalo to San Diego: Flight information

The things to know before you go.
Cheapest flight foundR 2,418
Cheapest month to flyAugust

Finding cheap flights from Buffalo Niagara to San Diego: Frequently asked questions

There are 2 airports in San Diego: San Diego International and McClellan-Palomar.
The best price we found for a return flight from Buffalo Niagara to San Diego is R 4,743. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Buffalo Niagara to San Diego. But we found flights with one or more stops from R 4,743.
As of June 2026, there are no flights flying from Buffalo Niagara to San Diego.
The cheapest month to fly from Buffalo Niagara to San Diego is usually July.
If you're flying from Buffalo Niagara Airport, the cheapest airport near San Diego is San Diego International – which is 4.1 km away from the centre of San Diego. We've found flights into this airport from R 4,743.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Buffalo Niagara Airport to San Diego on Tuesday, 14 July 2026.
No airlines currently offer direct flights between Buffalo Niagara Airport and San Diego. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Diego but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Diego is around 40 days in advance, so don’t leave your flight to the last minute.
In June, the average temperature is usually around 19°C. August is typically the warmest month in San Diego, when it usually averages around 28°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging 10°C. The rainiest month is February.
Currently, Frontier Airlines offers the cheapest flight tickets to San Diego.

Flying from Buffalo Niagara International Airport (BUF) to San Diego: what you need to know

  • San Diego is three hours behind Buffalo, where Buffalo Niagara International Airport is located. San Diego follows the UTC-8 timezone.

  • To avoid missing your BUF to San Diego flight, leave enough time for things like check-in and baggage drop. Turning up two hours ahead of international departures and one hour before domestic flights is the general rule.

  • During popular months like August, it's a good idea to get to the airport even earlier. Arrive two hours before domestic departures and four hours ahead for an international flight when you travel during high season in general.

  • BUF is around 13 kilometres from central Buffalo. If you're ride-sharing, driving or catching a taxi from the centre, it'll take 20 minutes or so to get there, depending on traffic conditions. If you're taking public transport, expect the journey time to be around 40 minutes.

  • Want an easy start to your holiday? Stay near BUF. Whether you've booked an early flight from Buffalo Niagara International Airport to San Diego or just don't want to be rushed, these hotels put convenience first:

  • When it comes to the on-time performance of Buffalo Niagara International Airport, 74% of flights meet their scheduled arrival time.

  • BUF's address is Genesee Street.

How to find the cheapest flights from Buffalo Niagara International Airport (BUF) to San Diego

  • R 2,418 is the lowest price we've seen for a one-way Buffalo Niagara International Airport to San Diego flight. A return plane ticket right now is R 4,720. Depending on the availability when you book, these fares may change.

  • Booking ahead of time is often the key to securing a cheap flight from BUF to San Diego. Prices tend to rise as demand increases, so the closer you get to departure, the more it could cost you.

  • Landing cheap tickets from Buffalo Niagara International Airport to San Diego is more likely if you're flexible with your travel plans. Try using the 'Whole month' search tool to get the best prices across every month and bag an epic deal.

  • Save time looking for cheap flights from BUF to San Diego by creating a Price Alert. We'll send you an email or notification on the app when a special offer becomes available.

  • Find an affordable flight from Buffalo Niagara International Airport to San Diego with the help of our filters. Choose your ideal departure time, duration and airlines, then sort the results by 'Cheapest' for the best deals.

Airports in San Diego

San Diego International Airport (SAN)

  • San Diego International Airport (SAN) to central San Diego takes about 15 minutes by car. The centre is roughly 5 kilometres away.

  • Travelling to the centre on public transport takes about 25 minutes.

  • Consider staying in a hotel close to SAN if you have a late flight from Buffalo Niagara International Airport to San Diego. Settle into one of these options and make your first night all about rest:

  • To get the best deal, book your vehicle from San Diego International Airport around two weeks in advance of your flight from BUF to San Diego.

  • The address for SAN is N Harbour Dr.

McClellan-Palomar Airport (CLD)

  • McClellan-Palomar Airport (CLD) is around 48 kilometres from the centre of San Diego. Check out your options for travelling into town after your flight from Buffalo Niagara International Airport to San Diego has touched down.

  • After stepping off your BUF to San Diego flight, rest your head at a hotel near CLD. These are some comfortable accommodation options that'll help you sink into relaxation mode:

  • Save time at the rental desk by having everything prearranged. Reserve your ride from CLD in advance so you can just collect the keys and drive away.

Best time to go to San Diego

  • July is the most popular month for flights from Buffalo Niagara International Airport to San Diego. To escape the crowds, head to San Diego in December.

  • Before booking a Buffalo Niagara International Airport to San Diego plane ticket, think about the kind of weather forecast you're hoping for. August is the warmest month in San Diego, with temperatures ranging from 16ºC (61ºF) to 27ºC (81ºF).

  • For cooler conditions, search for a cheap ticket from BUF to San Diego in February when temperatures average between 8ºC (46ºF) and 22ºC (72ºF).

More about San Diego

  • When it comes to looking for somewhere to rest your head, you'll find the top stays in San Diego right here. Check out these hotels once you've booked your flight from Buffalo Niagara International Airport to San Diego:

  • There are so many things to see and do in this city it can be hard to work out where to begin. San Diego Balboa Park, San Diego Zoo and USS Midway Museum are top sights which should feature on any well-planned San Diego itinerary.

Explore more of the United States

  • San Diego is easy to fall in love with, but there are so many other corners of the United States just waiting to be discovered. Around 177 kilometres northwest of San Diego, a visit to Los Angeles will fill your itinerary to the brim. Don't miss top attractions like Hollywood Sign, Universal Studios Hollywood and Hollywood Bowl.

  • Phoenix is another standout destination in the United States and is around 483 kilometres east of San Diego. No trip is complete without experiencing Camelback Mountain, Yayoi Kusama Fireflies Infinity Mirror Room and Heard Museum.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.