SAN - BUF

C$ 172 Find Cheap Flights from San Diego to Buffalo – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
C$ 320
Typical prices: C$ 481-C$ 802
Southwest
Fri 26/10Sun 4/11
SAN - BUF • 1 stop
Cheapest one-way flights
C$ 172
Typical prices: C$ 242-C$ 500
United Airlines
Wed 10/10
SAN - BUF • 2 stops
Direct flights
Not available
There are currently no direct flights between San Diego and Buffalo. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
19 weeks
in advance
Our data shows that travellers who book at least 19 weeks in advance save around 55% compared to booking last minute.
Insights
Insights
When to travel
February
Cheapest • 22% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Boston Logan Intl (BOS)
Cheapest • Avg C$ 438 (round-trip)
Minneapolis St Paul (MSP)
Shortest trip • 6h 43m (one-way)
Insights
Insights
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We hope you enjoy your trip to Buffalo!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from San Diego to Buffalo (SAN-BUF)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Diego to Buffalo

Mon, 26 Oct - Wed, 4 Nov
Southwest Logo
10:40 p.m. - 10:25 a.m.SAN  San Diego-BUF Buffalo
8h 45m1 stop Chicago Midway
Southwest Logo
6:55 p.m. - 11:25 p.m.BUF  Buffalo-SAN San Diego
7h 30m1 stop Chicago Midway
C$ 320Southwest
Mon, 26 Oct - Wed, 4 Nov
Southwest Logo
8:00 p.m. - 8:25 a.m.SAN  San Diego-BUF Buffalo
9h 25m2 stops Las Vegas Harry Reid Intl Baltimore/Washington
Southwest Logo
5:00 p.m. - 11:10 p.m.BUF  Buffalo-SAN San Diego
9h 10m1 stop Nashville Intl
C$ 328Southwest
Sat, 10 Oct - Sat, 24 Oct
United Airlines Logo
10:30 p.m. - 9:29 a.m.SAN  San Diego-BUF Buffalo
7h 59m1 stop Chicago O'Hare Intl
United Airlines Logo
10:46 a.m. - 5:05 p.m.BUF  Buffalo-SAN San Diego
9h 19m2 stops Chicago O'Hare Intl Denver Intl
C$ 336United Airlines
Thu, 15 Oct - Thu, 22 Oct
Southwest Logo
5:05 p.m. - 7:50 a.m.SAN  San Diego-BUF Buffalo
11h 45m1 stop Baltimore/Washington
Southwest Logo
7:35 p.m. - 11:50 p.m.BUF  Buffalo-SAN San Diego
7h 15m1 stop Chicago Midway
C$ 347Southwest
Sat, 10 Oct - Tue, 27 Oct
JetBlue Logo
9:44 p.m. - 10:48 a.m.SAN  San Diego-BUF Buffalo
10h 04m1 stop Boston Logan Intl
JetBlue Logo
6:55 a.m. - 12:56 p.m.BUF  Buffalo-SAN San Diego
9h 01m1 stop Boston Logan Intl
C$ 367JetBlue
Tue, 13 Oct - Tue, 27 Oct
JetBlue Logo
8:25 p.m. - 10:48 a.m.SAN  San Diego-BUF Buffalo
11h 23m1 stop Boston Logan Intl
JetBlue Logo
6:55 a.m. - 12:56 p.m.BUF  Buffalo-SAN San Diego
9h 01m1 stop Boston Logan Intl
C$ 381JetBlue
Thu, 19 Nov - Thu, 26 Nov
Southwest Logo
6:35 a.m. - 6:10 p.m.SAN  San Diego-BUF Buffalo
8h 35m1 stop Baltimore/Washington
Southwest Logo
1:35 p.m. - 6:15 p.m.BUF  Buffalo-SAN San Diego
7h 40m1 stop Chicago Midway
C$ 406Southwest
Wed, 7 Oct - Sat, 24 Oct
Delta Logo
1:18 p.m. - 11:59 p.m.SAN  San Diego-BUF Buffalo
7h 41m1 stop Detroit Metropolitan Wayne County
Delta Logo
5:20 p.m. - 10:02 p.m.BUF  Buffalo-SAN San Diego
7h 42m1 stop Atlanta Hartsfield-Jackson
C$ 413Delta
Thu, 19 Nov - Thu, 26 Nov
Southwest Logo
8:05 p.m. - 8:25 a.m.SAN  San Diego-BUF Buffalo
9h 20m2 stops Phoenix Sky Harbor Intl Baltimore/Washington
Southwest Logo
1:35 p.m. - 6:15 p.m.BUF  Buffalo-SAN San Diego
7h 40m1 stop Chicago Midway
C$ 428Southwest
Fri, 23 Oct - Sat, 7 Nov
JetBlue Logo
8:20 p.m. - 10:48 a.m.SAN  San Diego-BUF Buffalo
11h 28m1 stop Boston Logan Intl
JetBlue Logo
12:08 p.m. - 8:22 p.m.BUF  Buffalo-SAN San Diego
11h 14m1 stop New York John F Kennedy Intl
C$ 442JetBlue
Booking Insights

Price, demand, and travel trends for San Diego to Buffalo flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from San Diego to Buffalo with more confidence.

How much is a round-trip flight from San Diego to Buffalo?

Round-trip flights from San Diego to Buffalo start at C$ 320. Prices are below average for this route right now, with typical round-trip fares ranging from C$ 481 to C$ 802. The lowest price found in the past 5 days was C$ 320 on Southwest.

What's the cheapest day of the week to fly from San Diego to Buffalo?

Wednesday is the cheapest day of the week to fly from San Diego to Buffalo and is 20% cheaper than the average day. Sunday is the most expensive day with flight prices 32% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from San Diego to Buffalo?

  • February is the cheapest month to fly from San Diego to Buffalo at C$ 464 round-trip.
  • March (C$ 956) and January (C$ 849) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 105% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from San Diego to Buffalo the cheapest?

Flights from San Diego to Buffalo are cheapest 19 weeks before departure. Booking in this window typically costs about 55% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for San Diego to Buffalo flights

Low season

December

Cheapest flight

C$ 172
Best time to beat the crowds but there is an average 20% increase in price.
Most popular time to fly (12% more expensive on average)
Flights from San Diego to Buffalo

When to book flights from San Diego to Buffalo

Are your dates flexible? Find out the best times to travel from San Diego to Buffalo based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your San Diego to Buffalo flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airports can I use when flying from San Diego to Buffalo?

    Flights from San Diego to Buffalo usually depart from San Diego (SAN) and arrive at Buffalo (BUF).

  • Which cabin classes can I book on flights from San Diego to Buffalo?

    Only Economy Class is available on flights from San Diego to Buffalo.

  • Which airports do connecting flights from San Diego to Buffalo pass through?

    One-stop flights from San Diego to Buffalo most commonly connect through:

    • Chicago O'Hare Intl (ORD) – 51% of one-stop connections
    • Baltimore/Washington (BWI) – 13% of one-stop connections
    • Detroit Metropolitan Wayne County (DTW) – 12% of one-stop connections
    • Denver Intl (DEN) – 8% of one-stop connections

    Chicago O'Hare Intl (ORD) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from San Diego to Buffalo?

    Yes. Being flexible with your travel dates can save you up to 40% on the San Diego to Buffalo route. Wednesday is the cheapest departure day at C$ 483 round-trip on average, while Sunday is the most expensive at C$ 793, a difference of C$ 310. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How expensive are last-minute San Diego to Buffalo flights?

    Last-minute fares on this route – booked within 2 weeks of departure – run 65% above the route average of C$ 598. Book 19 weeks before departure for the lowest fares.

  • How long does a flight from San Diego to Buffalo take?

    A direct flight from San Diego to Buffalo takes 0h 00m, covering 5,674 km.

  • Do I need a passport to fly from San Diego to Buffalo?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from San Diego to Buffalo changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 320 to C$ 2,301. That means the highest observed fare was about 7x higher than the lowest one.

  • How are flight prices from San Diego to Buffalo looking right now?

    One-way fares from San Diego to Buffalo are currently lower than usual. Average one-way flight prices are about C$ 239, which is 28% below the typical average for this route.

  • How much time can I save by choosing a different layover airport when travelling from San Diego to Buffalo?

    Flying via Minneapolis St Paul (MSP) gives the shortest average 1-stop total travel time at 6h 43m, compared with 6h 59m via Chicago Midway (MDW) and 7h 35m via Detroit Metropolitan Wayne County (DTW).

  • What is the time difference between San Diego and Buffalo?

    Buffalo is 3 hours ahead of San Diego (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Buffalo Airport (BUF)?

    Buffalo Airport (BUF) hosts 5 major car rental companies, with daily rates starting from around C$ 27 for economy cars. Top options include:
    • Dollar
    • Budget
    • Hertz
    • Alamo
    • Thrifty

  • How much should I expect to pay for a San Diego to Buffalo flight?

    Round-trip flights from San Diego to Buffalo range from C$ 481 to C$ 802, with an average of C$ 598 over the past 12 months. Anything below C$ 481 counts as a good deal.

Your guide to booking San Diego to Buffalo flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure instead of Sunday. On this route, Wednesday flights average C$ 483 – about C$ 310 less than Sunday (39% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 19 weeks before you fly. On this route, that window historically saves about 55% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your San Diego to Buffalo trip for February. Fares historically average C$ 464 round-trip in that month – typically C$ 492 less than the most expensive month, which is March (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Buffalo Airport.
    - Aloft Buffalo Airport
    - Comfort Inn and Suites Buffalo Airport
    - TownePlace Suites by Marriott Buffalo Airport

More options for your flight from San Diego to Buffalo

Complete your trip to Buffalo with a hotel stay or car rental

Car rentals in Buffalo
Hotels in Buffalo
Vacations in Buffalo