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Cheap flights from Buffalo to San Diego from C$ 211

BUF — SAN
29 Nov — 6 Dec1
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

Tue 8/1212:11 p.m. -
1 stop10h 50m
Tue 15/1210:05 p.m. -
1 stop9h 38m
Deal found 29/10C$ 421
Thu 10/1211:30 a.m. -
1 stop11h 03m
Tue 15/1212:35 p.m. -
1 stop8h 24m
Deal found 29/10C$ 449
Fri 4/1211:30 a.m. -
1 stop11h 09m
Mon 7/129:40 p.m. -
1 stop8h 54m
Deal found 29/10C$ 450
Sat 5/126:44 p.m. -
1 stop8h 15m
Thu 10/1210:14 a.m. -
1 stop8h 41m
Deal found 26/10C$ 452
Mon 7/126:10 a.m. -
1 stop7h 17m
Sun 13/1210:10 p.m. -
1 stop7h 24m
Deal found 29/10C$ 453
Sat 5/121:10 p.m. -
2 stops9h 15m
Thu 10/1211:40 a.m. -
1 stop7h 20m
Deal found 26/10C$ 459
Fri 4/126:55 p.m. -
1 stop7h 30m
Mon 7/128:05 p.m. -
2 stops9h 20m
Deal found 29/10C$ 460
Mon 7/1211:30 a.m. -
1 stop11h 03m
Sun 13/128:44 p.m. -
1 stop9h 50m
Deal found 28/10C$ 466
Mon 14/126:41 p.m. -
1 stop7h 57m
Sat 23/110:20 p.m. -
1 stop9h 52m
Deal found 29/10C$ 469
Wed 16/125:00 p.m. -
1 stop9h 10m
Wed 20/19:50 a.m. -
2 stops8h 55m
Deal found 29/10C$ 476
Fri 11/129:05 a.m. -
1 stop6h 50m
Mon 14/126:35 a.m. -
1 stop8h 35m
Deal found 25/10C$ 478

Find flight deals from Buffalo to San Diego

Round-trip from

C$ 421

One-way from

C$ 211

Popular in

October

Cheapest in

February

Average price

C$ 659
Delta
  • Delta
  • 8/12-14/12
  • 2 total stops
  • 16h 52m total
  • Buffalo to San Diego
Search Deals
United Airlines
  • United Airlines
  • 26/11-31/12
  • 1 total stop
  • 8h 43m total
  • Buffalo to San Diego
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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

Thu 26/11

6:00 a.m.-11:43 a.m.

1 stop8h 43m

San Diego

Wed 31/12

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

Nonstop0h 00m

C$ 211

BuffaloSan Diego

BUF Buffalo - SAN San Diego

BUFSAN

Buffalo

Sat 5/12

6:00 a.m.-11:54 a.m.

1 stop8h 54m

San Diego

Wed 31/12

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

Nonstop0h 00m

C$ 243

BuffaloSan Diego

BUF Buffalo - SAN San Diego

BUFSAN

Buffalo

Tue 24/11

8:50 a.m.-2:55 p.m.

1 stop9h 05m

San Diego

Wed 31/12

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

Nonstop0h 00m

C$ 243

BuffaloSan Diego

BUF Buffalo - SAN San Diego

BUFSAN

Buffalo

Fri 13/11

5:30 p.m.-11:20 p.m.

1 stop8h 50m

San Diego

Wed 31/12

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

Nonstop0h 00m

C$ 287

BuffaloSan Diego

BUF Buffalo - SAN San Diego

BUFSAN

Buffalo

Thu 17/12

8:15 a.m.-6:41 p.m.

2 stops13h 26m

San Diego

Wed 31/12

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

Nonstop0h 00m

C$ 324

BuffaloSan Diego

BUF Buffalo - SAN San Diego

BUFSAN

Buffalo

Sat 5/12

10:00 a.m.-10:27 p.m.

2 stops15h 27m

San Diego

Wed 31/12

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

Nonstop0h 00m

C$ 341

BuffaloSan Diego

BUF Buffalo - SAN San Diego

BUFSAN

Buffalo

Sat 21/11

8:50 a.m.-5:17 p.m.

2 stops11h 27m

San Diego

Wed 31/12

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

Nonstop0h 00m

C$ 413

BuffaloSan Diego

BUF Buffalo - SAN San Diego

BUFSAN

Buffalo

Tue 8/12

12:11 p.m.-8:01 p.m.

1 stop10h 50m

San Diego

Tue 15/12

10:05 p.m.-10:43 a.m.

1 stop9h 38m

C$ 421

BuffaloSan Diego

BUF Buffalo - SAN San Diego

BUFSAN

Buffalo

Sat 5/12

1:10 p.m.-7:25 p.m.

2 stops9h 15m

San Diego

Thu 10/12

11:40 a.m.-10:00 p.m.

1 stop7h 20m

C$ 459

BuffaloSan Diego

BUF Buffalo - SAN San Diego

BUFSAN

Buffalo

Fri 18/12

6:10 a.m.-10:27 a.m.

1 stop7h 17m

San Diego

Thu 24/12

1:15 p.m.-11:55 p.m.

1 stop7h 40m

C$ 485

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/10

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

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, February is the cheapest month in which you can book a flight from Buffalo to San Diego (average of C$ 529). Flying from Buffalo to San Diego in October is currently the most expensive (average of C$ 659). 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$ 456 and C$ 709 in December.
The cheapest round-trip price found within the last 5 days was C$ 421 on Delta (8 Dec-14 Dec).

Reviews of airlines servicing San Diego

See what other customers who have flown with Southwest and American 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
7.9
Good
4,217 reviews
Check prices

Crew

8.6

Boarding

8.1

Overall

7.9

Comfort

8.0

Food

7.0

Entertainment

7.4

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
7.9
Good
4,217 reviews
Southwest
7.9
Good
4,217 reviews
Check prices

Crew

8.6

Boarding

8.1

Overall

7.9

Comfort

8.0

Food

7.0

Entertainment

7.4

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
12,208 reviews
Southwest
7.9
Good
4,217 reviews
Check prices

Crew

8.6

Boarding

8.1

Overall

7.9

Comfort

8.0

Food

7.0

Entertainment

7.4

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 15m. Fly via Delta or Southwest to get the fastest option. The distance from Buffalo to San Diego is about 3526 km. Both multi-stop and direct flights can be found to your destination and back.

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

    Currently priced at C$ 350, American Airlines will fly you from Buffalo to San Diego and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Southwest for as low as C$ 415. American Airlines is priced at 38% 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, February is the cheapest month in which you can book a flight from Buffalo to San Diego (average of C$ 529). Flying from Buffalo to San Diego in October is currently the most expensive (average of C$ 659). 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 2 airlines flying from Buffalo to San Diego

AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 350AverageC$ 498FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
SouthwestCheapestC$ 415AverageC$ 550FlexibilityNo 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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