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Cheap flights from Buffalo to San Diego from C$ 151

BUF — SAN
21 Oct — 28 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Buffalo to San Diego

Enter your travel dates to find the best prices.

Cheapest flights from Buffalo to San Diego

Sat 24/106:15 p.m. -
1 stop7h 15m
Wed 28/1010:40 p.m. -
1 stop8h 45m
Deal found 16/9C$ 302
Thu 10/122:10 p.m. -
1 stop9h 09m
Tue 15/129:40 p.m. -
1 stop8h 54m
Deal found 16/9C$ 312
Thu 29/106:55 a.m. -
1 stop9h 01m
Mon 2/1111:40 a.m. -
1 stop8h 53m
Deal found 17/9C$ 333
Fri 30/1012:08 p.m. -
1 stop11h 17m
Mon 2/1111:40 a.m. -
1 stop8h 53m
Deal found 17/9C$ 350
Fri 30/1012:35 p.m. -
1 stop9h 40m
Mon 2/119:55 p.m. -
1 stop7h 30m
Deal found 16/9C$ 359
Thu 22/104:50 p.m. -
1 stop8h 55m
Mon 9/119:55 p.m. -
1 stop7h 30m
Deal found 17/9C$ 366
Wed 7/105:45 p.m. -
1 stop7h 56m
Wed 14/1010:30 p.m. -
1 stop7h 59m
Deal found 16/9C$ 401
Sat 17/103:56 p.m. -
1 stop8h 41m
Sat 24/1012:20 p.m. -
1 stop7h 34m
Deal found 16/9C$ 405

Find flight deals from Buffalo to San Diego

Round-trip from

C$ 302

One-way from

C$ 151

Popular in

November

Cheapest in

April

Average price

C$ 600
Southwest
  • Southwest
  • 24/10-28/10
  • 2 total stops
  • 16h 00m total
  • Buffalo to San Diego
Search Deals
Southwest
  • Southwest
  • 24/10-31/12
  • 1 total stop
  • 7h 15m total
  • Buffalo to San Diego
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease (C$ 8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Buffalo to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BuffaloSan Diego

BUF Buffalo - SAN San Diego

BUFSAN

Buffalo

Sat 24/10

6:15 p.m.-10:30 p.m.

1 stop7h 15m

San Diego

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 151

BuffaloSan Diego

BUF Buffalo - SAN San Diego

BUFSAN

Buffalo

Mon 9/11

7:10 p.m.-11:50 p.m.

1 stop7h 40m

San Diego

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 171

BuffaloSan Diego

BUF Buffalo - SAN San Diego

BUFSAN

Buffalo

Thu 17/12

6:41 p.m.-11:38 p.m.

1 stop7h 57m

San Diego

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 229

BuffaloSan Diego

BUF Buffalo - SAN San Diego

BUFSAN

Buffalo

Wed 25/11

1:53 p.m.-8:24 p.m.

2 stops9h 31m

San Diego

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 250

BuffaloSan Diego

BUF Buffalo - SAN San Diego

BUFSAN

Buffalo

Fri 9/10

9:06 a.m.-2:20 p.m.

1 stop8h 14m

San Diego

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 266

BuffaloSan Diego

BUF Buffalo - SAN San Diego

BUFSAN

Buffalo

Fri 23/10

10:46 a.m.-8:08 p.m.

2 stops12h 22m

San Diego

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 292

BuffaloSan Diego

BUF Buffalo - SAN San Diego

BUFSAN

Buffalo

Tue 24/11

7:20 a.m.-9:00 p.m.

2 stops16h 40m

San Diego

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 323

BuffaloSan Diego

BUF Buffalo - SAN San Diego

BUFSAN

Buffalo

Sat 5/12

11:23 a.m.-10:33 p.m.

2 stops14h 10m

San Diego

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 327

BuffaloSan Diego

BUF Buffalo - SAN San Diego

BUFSAN

Buffalo

Tue 24/11

12:50 p.m.-7:39 p.m.

1 stop9h 49m

San Diego

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 340

BuffaloSan Diego

BUF Buffalo - SAN San Diego

BUFSAN

Buffalo

Wed 14/10

4:25 p.m.-11:20 p.m.

2 stops9h 55m

San Diego

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 343

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/9

Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from Buffalo to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Buffalo with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Buffalo to San Diego

How far ahead should I book a flight from Buffalo to San Diego?

Booking 79 days in advance of your planned departure date is, on average, the best time to get cheap flights from Buffalo to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Buffalo to San Diego?

Currently, April is the cheapest month in which you can book a flight from Buffalo to San Diego (average of C$ 517). Flying from Buffalo to San Diego in November is currently the most expensive (average of C$ 614). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Buffalo to San Diego?

Airfare is below average for this route at the moment.

Buffalo to San Diego flights typically cost between C$ 461 and C$ 708 in October.
The cheapest round-trip price found within the last 5 days was C$ 302 on Southwest (24 Oct-28 Oct).

Reviews of airlines servicing San Diego

See what other customers who have flown with Southwest,Delta, andAmerican Airlines from Buffalo to San Diego have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,194 reviews
Check prices

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
Southwest
8.0
Very good
4,194 reviews
Southwest
8.0
Very good
4,194 reviews
Check prices

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
Delta
7.8
Good
8,597 reviews
Southwest
8.0
Very good
4,194 reviews
Check prices

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
American Airlines
7.0
Good
12,076 reviews
Southwest
8.0
Very good
4,194 reviews
Check prices

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

Related info for your journey

  • How long is the flight from Buffalo to San Diego?

    There are many flights that can get you from Buffalo to San Diego in 9h 40m. Fly via Southwest to get the fastest option. The distance from Buffalo to San Diego is about 3526 km.

  • What are the cheapest airlines flying from Buffalo to San Diego round-trip?

    Currently priced at C$ 243, Delta will fly you from Buffalo to San Diego and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Southwest - these airlines can fly you to your destination from C$ 350 and C$ 414, respectively. Delta is priced at 56% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Buffalo to San Diego that include hotel bookings?

    Yes. In addition to deals on Buffalo to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Buffalo to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to San Diego.

  • Can I find deals for business class flights from Buffalo to San Diego?

    Yes. Cheapflights offers flight deals from Buffalo to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Buffalo to San Diego?

    Currently, April is the cheapest month in which you can book a flight from Buffalo to San Diego (average of C$ 517). Flying from Buffalo to San Diego in November is currently the most expensive (average of C$ 614). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
La Mesa
Borrego Springs

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Buffalo to San Diego

AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 243AverageC$ 442FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 350AverageC$ 547FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
SouthwestCheapestC$ 414AverageC$ 551FlexibilityNo cancel feeOn-time63%
Search Southwest flights

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How does Cheapflights help users find flights from Buffalo to San Diego?

When you search for this flight from Buffalo to San Diego, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Buffalo to San Diego?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Buffalo to San Diego.

Can Cheapflights find flights from Buffalo to San Diego with no change fees?

Yes, we can. To see specific flights from Buffalo to San Diego with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Buffalo to San Diego become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Diego from Buffalo today and book when prices fit your budget.

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