Cheap flights from San Diego International to Buffalo Niagara

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Find the cheapest month or even day of the year to fly to Buffalo Niagara

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

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

San Diego International to Buffalo Niagara: Alternative routes

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

San Diego to Buffalo: Flight information

The things to know before you go.
Cheapest flight foundC$235
Cheapest month to flyJune

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

The best price we found for a round-trip flight from San Diego International to Buffalo Niagara is C$417. 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 San Diego International to Buffalo Niagara. But we found flights with one or more stops from C$417.
There are no flights flying from San Diego International to Buffalo Niagara, as of June 2025.
The cheapest month to fly from San Diego International to Buffalo Niagara is usually June 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Diego International Airport to Buffalo Niagara Airport on Thursday, October 16, 2025.
No airlines currently offer direct flights between San Diego International Airport and Buffalo Niagara 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 Buffalo Niagara 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 Buffalo is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta offers the cheapest flight tickets to Buffalo Niagara.

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

  • Your SAN to BUF flight won't wait if you're late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

  • You'll likely experience longer queues during popular months like July. Arriving up to four hours ahead of international flights and two hours for domestic departures will give you ample time for security and boarding.

  • We make it simple to book a flight with a stopover. To see all your options for tickets from San Diego International Airport to Buffalo Niagara International Airport, uncheck 'Direct flights only.' Then, pick a flight that has a stop long enough to explore the city of your choice. Some great stopovers between SAN and BUF include:

    • Chicago Midway International Airport

    • O'Hare International Airport

    • Denver International Airport

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

  • C$235 is the best price for a one-way San Diego International Airport to Buffalo Niagara International Airport flight. Return flights start at C$417. These prices may change based on demand.

  • Don't leave everything to the last minute. You're more likely to get cheap tickets from SAN to BUF if you book in advance. Airlines often have some great early bird discounts.

  • The 'Whole month' tool shows you the cheapest flights from San Diego International Airport to Buffalo Niagara International Airport across each month. It's a great way to find a bargain if your plans aren't set in stone.

  • You don't need to check back in every day to find out if fares have gone down when you create a Price Alert. We'll update you as soon as there's a better deal on cheap flights from SAN to BUF.

  • Pick your ideal departure and arrival times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to see the best deals on flights from San Diego International Airport to Buffalo Niagara International Airport.

Handy information about San Diego International Airport (SAN)

  • SAN is located at Airport Drive.

  • When it comes to the on-time performance of San Diego International Airport, data shows 71.38% of flights meet their scheduled arrival time.

  • San Diego International Airport is about 5 kilometres from central San Diego. If you're driving, ride-sharing or catching a cab from the centre, it'll take you 10 minutes or so to arrive, depending on the traffic.

  • Expect a trip time of around 20 minutes when using public transport.

  • Catching an early flight from San Diego International Airport to Buffalo Niagara International Airport? Avoid the stress of rushing to the terminal (and sneak in some extra snooze time) by picking one of these hotels near SAN:

Arriving at Buffalo Niagara International Airport (BUF)

  • Reserve a hotel near BUF if you're catching a late San Diego International Airport to Buffalo Niagara International Airport flight. Check in to one of these accommodation options and skip the long transfer:

  • Grab a Buffalo Niagara International Airport rental car and discover Buffalo and beyond with your own wheels. Dollar, Hertz and Budget are popular providers you can book with here.

  • To secure the lowest price, reserve your vehicle from Buffalo Niagara International Airport about two weeks in advance.

Getting from Buffalo Niagara International Airport (BUF) to central Buffalo

  • BUF is located at Genesee Street.

  • Buffalo Niagara International Airport is roughly 18 kilometres from central Buffalo. The drive time takes around 20 minutes.

  • When travelling by public transport, expect a journey of around 1 hour 15 minutes.

When to fly to Buffalo Niagara International Airport (BUF)

  • It's time to pick your trip dates for your flight from San Diego International Airport to Buffalo Niagara International Airport. August is the busiest month to visit Buffalo. If you prefer a more relaxed vibe, go in May.

  • The warmest month in Buffalo is July, with temperatures ranging between 15ºC (59ºF) and 28ºC (82ºF). Book your flights from San Diego International Airport to Buffalo Niagara International Airport in this month if this is the type of weather you like.

  • If you want to travel in cooler conditions, look for a cheap ticket from SAN to BUF in January. Temperatures average between -10ºC (14ºF) and 2ºC (36ºF) then.

Explore more of United States

  • New York is just one of the many places in United States waiting to be explored once you've seen Buffalo. Around 467 kilometres away to the south-east, top sights here include Statue of Liberty, Central Park and Empire State Building.

  • Around 451 kilometres south-east of Buffalo, Philadelphia is another favourite stop in United States. Experience this destination's highlights firsthand at Liberty Bell, Independence Hall and Philadelphia Museum of Art.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.