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Cheap Flights from Buffalo Niagara to San Diego International

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      Travellers and cabin class, 1 Adult, Economy

      Compare Buffalo Niagara to San Diego International flight deals

      Find the cheapest month or even day of the year to fly to San Diego International

      Book the best San Diego International fare with no extra fees

      Flight deals from Buffalo Niagara to San Diego International

      Looking for a cheap last-minute deal or the best return flight from Buffalo Niagara Airport to San Diego International Airport? If you want to travel next month, return fares start from R 4,509. Find the lowest prices on one-way and return tickets right here.
      San Diego.R 1,752 per passenger.Departing Wed, 2 Sep.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Buffalo Niagara on Wed, 2 Sep, arriving in San Diego International.Price includes taxes and charges.From R 1,752, select.
      San Diego.R 1,752 per passenger.Departing Wed, 7 Oct.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Buffalo Niagara on Wed, 7 Oct, arriving in San Diego International.Price includes taxes and charges.From R 1,752, select.
      San Diego.R 2,191 per passenger.Departing Tue, 17 Nov.One-way flight with United.Outbound indirect flight with United, departs from Buffalo Niagara on Tue, 17 Nov, arriving in San Diego International.Price includes taxes and charges.From R 2,191, select.
      San Diego.R 2,193 per passenger.Departing Mon, 7 Dec.One-way flight with United.Outbound indirect flight with United, departs from Buffalo Niagara on Mon, 7 Dec, arriving in San Diego International.Price includes taxes and charges.From R 2,193, select.
      San Diego.R 2,640 per passenger.Departing Tue, 27 Apr.One-way flight with Delta.Outbound indirect flight with Delta, departs from Buffalo Niagara on Tue, 27 Apr, arriving in San Diego International.Price includes taxes and charges.From R 2,640, select.
      San Diego.R 2,643 per passenger.Departing Tue, 25 May.One-way flight with Delta.Outbound indirect flight with Delta, departs from Buffalo Niagara on Tue, 25 May, arriving in San Diego International.Price includes taxes and charges.From R 2,643, select.
      San Diego.R 3,754 per passenger.Departing Sat, 29 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Sat, 29 Aug, arriving in San Diego International.Price includes taxes and charges.From R 3,754, select.
      San Diego.R 6,641 per passenger.Departing Sun, 20 Jun.One-way flight with Delta.Outbound indirect flight with Delta, departs from Buffalo Niagara on Sun, 20 Jun, arriving in San Diego International.Price includes taxes and charges.From R 6,641, select.

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

      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 International flights are currently cheapest in September.
      Aug
      from R 3,759
      Sep
      from R 1,754
      Oct
      from R 1,754
      Nov
      from R 2,194
      Dec
      from R 2,196
      Jan
      Find prices
      Feb
      Find prices
      Mar
      Find prices
      Apr
      from R 2,644
      May
      from R 2,647
      Jun
      from R 6,650
      Jul
      Find prices

      Buffalo Niagara to San Diego International: Alternative routes

      Compare routes from Buffalo Niagara to San Diego below. You may find an airport to fly into that's cheaper, faster, or easier than San Diego International.

      San Diego International

      4km from central San Diego
      ClosestCheapest
      from R 1,754
      Search flights

      McClellan-Palomar

      48km from central San Diego
      from R 10,479
      Search flights

      Buffalo to San Diego: Flight information

      The things to know before you go.
      Cheapest flight foundR 1,752
      Cheapest month to flyOctober

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

      The best price we found for a return flight from Buffalo Niagara to San Diego International is R 3,508. 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 International. But we found flights with one or more stops from R 3,508.
      As of August 2026, there are no flights flying from Buffalo Niagara to San Diego International.
      The cheapest month to fly from Buffalo Niagara to San Diego International is usually October.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Buffalo Niagara Airport to San Diego International Airport on Wednesday, 28 October 2026.
      No airlines currently offer direct flights between Buffalo Niagara Airport and San Diego International Airport. 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 International 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.

      Currently, Southwest Airlines offers the cheapest flight tickets to San Diego International.

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

      • San Diego's timezone is UTC-8, which makes San Diego three hours behind Buffalo.

      • For a stress-free journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This will give you enough time to board your BUF to SAN flight.

      • You can expect longer lines during popular months like August. Arriving up to four hours ahead of international flights and two hours for a domestic departure is a good idea.

      • Consider adding a stopover when booking your ticket from Buffalo Niagara Airport to San Diego International Airport. Just uncheck 'Direct flights only' to break up your journey, or perhaps see a new city along the way. Here's where you can stop between BUF and SAN:

        • Chicago O'Hare International Airport

        • Denver International Airport

        • Detroit Wayne County Airport

      Handy information about Buffalo Niagara Airport (BUF)

      • The address for BUF is Genesee Street.

      • 74% of flights departing from Buffalo Niagara Airport touch down at their destination on schedule.

      • Buffalo Niagara Airport is around 16 kilometres from central Buffalo. If you're ride-sharing, catching a taxi or driving from the centre, it'll take you 20 minutes or so to arrive, depending on the traffic.

      • The journey on public transport usually takes 40 minutes.

      • Catching an early flight from Buffalo Niagara Airport to San Diego International Airport? Avoid the last-minute rush to the terminal (and catch some extra z's) by choosing one of these hotels close to BUF:

      Arriving at San Diego International Airport (SAN)

      • If you're landing on a late Buffalo Niagara Airport to San Diego International Airport flight, nothing tops the convenience of being near the terminal. Grab your suitcases from the carousel and then be showered and sleeping shortly after at one of these hotels near SAN:

      • Pick up a San Diego International Airport rental car and explore San Diego and beyond with your own set of wheels. Thrifty, Dollar and Budget are well-known companies to choose from here.

      • Secure the lowest price by reserving your vehicle from San Diego International Airport about two weeks before your departure date.

      When to fly to San Diego International Airport (SAN)

      • The quietest month for a flight from Buffalo Niagara Airport to San Diego International Airport is March, while August is the busiest. Choose the best time to go to San Diego based on whether you prefer a faster pace or a more relaxed vibe.

      • Book your flight from Buffalo Niagara Airport to San Diego International Airport for August if you want to visit San Diego during its warmest month. You can expect temperatures of between 16ºC (61ºF) and 27ºC (81ºF).

      • If you'd rather travel in cooler conditions, search for a cheap ticket from BUF to SAN in February. Temperatures average between 8ºC (46ºF) and 22ºC (72ºF) then.

      Explore more of the United States

      • You've visited San Diego, now it's time to explore other corners of the United States. Travel around 177 kilometres north-west to Los Angeles to tick off its top sights. From Hollywood Sign to Universal Studios Hollywood and Hollywood Bowl, there's plenty to keep you on the go.

      • Around 483 kilometres east of San Diego, Phoenix is another essential stop in the United States. Experience major highlights starting with 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.