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Cheap flights from Buffalo to San Diego from C$ 181

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/10. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SAN
18 Jul — 25 Jul1
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
Explore the most affordable flight options available from Buffalo to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 June 2026.

Sat 4/76:00 a.m.
BUF
-
SAN
1 stop9h 36m
JetBlue
Wed 8/78:40 p.m.
SAN
-
BUF
1 stop9h 55m
JetBlue
Deal found 13/6C$ 359
Sat 19/912:10 p.m.
BUF
-
SAN
1 stop10h 51m
JetBlue
Mon 28/99:30 p.m.
SAN
-
BUF
1 stop7h 54m
JetBlue
Deal found 16/6C$ 370
Tue 1/96:00 a.m.
BUF
-
SAN
1 stop8h 56m
JetBlue
Wed 2/98:40 p.m.
SAN
-
BUF
1 stop9h 54m
JetBlue
Deal found 16/6C$ 390
Sat 4/76:00 a.m.
BUF
-
SAN
1 stop9h 36m
JetBlue
Tue 7/710:20 a.m.
SAN
-
BUF
1 stop10h 28m
JetBlue
Deal found 15/6C$ 438
Sat 18/76:04 p.m.
BUF
-
SAN
1 stop7h 30m
United Airlines
Thu 23/710:25 p.m.
SAN
-
BUF
1 stop8h 35m
United Airlines
Deal found 16/6C$ 496
Thu 10/95:40 a.m.
BUF
-
SAN
2 stops9h 45m
Southwest
Mon 21/99:00 a.m.
SAN
-
BUF
1 stop9h 10m
Southwest
Deal found 17/6C$ 503
Wed 5/86:00 a.m.
BUF
-
SAN
1 stop8h 55m
JetBlue
Mon 10/88:40 p.m.
SAN
-
BUF
1 stop9h 54m
JetBlue
Deal found 18/6C$ 508
Sat 22/86:45 a.m.
BUF
-
SAN
2 stops10h 10m
Southwest
Wed 26/88:35 a.m.
SAN
-
BUF
2 stops9h 30m
Southwest
Deal found 13/6C$ 510
Wed 29/711:00 a.m.
BUF
-
SAN
2 stops11h 35m
Southwest
Mon 3/82:10 p.m.
SAN
-
BUF
1 stop7h 05m
Southwest
Deal found 16/6C$ 517
Sat 4/76:00 a.m.
BUF
-
SAN
1 stop9h 36m
JetBlue
Mon 6/710:20 a.m.
SAN
-
BUF
1 stop10h 28m
JetBlue
Deal found 15/6C$ 520

Find flight deals from Buffalo to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 June 2026.

Round-trip from

C$ 359

One-way from

C$ 181

Popular in

December

Cheapest in

October

Average price

C$ 561
JetBlue
  • JetBlue
  • 4/7-8/7
  • 2 total stops
  • 19h 31m total
  • Buffalo to San Diego
Search Deals
JetBlue
  • JetBlue
  • 13/10
  • 1 total stop
  • 10h 51m total
  • Buffalo to San Diego
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 67 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 18 June 2026.
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

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sat 22/8

12:00 p.m.-3:30 p.m.

1 stop6h 30m

San Diego

Wed 26/8

8:35 a.m.-9:05 p.m.

2 stops9h 30m

C$ 503

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sat 4/7

4:30 p.m.-8:30 p.m.

1 stop7h 00m

San Diego

Wed 8/7

7:15 a.m.-9:30 p.m.

2 stops11h 15m

C$ 545

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Wed 21/10

2:00 p.m.-9:10 p.m.

2 stops10h 10m

San Diego

Sat 31/10

6:30 a.m.-6:45 p.m.

2 stops9h 15m

C$ 561
Quickest round-trip

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sat 14/11

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

2 stops9h 15m

San Diego

Mon 23/11

7:45 a.m.-4:50 p.m.

1 stop6h 05m

C$ 576

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sun 22/11

4:59 p.m.-11:03 p.m.

1 stop9h 04m

San Diego

Tue 1/12

10:40 p.m.-11:15 a.m.

1 stop9h 35m

C$ 597

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Wed 5/8

6:25 p.m.-10:35 p.m.

1 stop7h 10m

San Diego

Mon 10/8

9:00 a.m.-8:50 p.m.

2 stops8h 50m

C$ 630

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sat 25/7

6:04 p.m.-10:34 p.m.

1 stop7h 30m

San Diego

Mon 3/8

10:25 p.m.-10:00 a.m.

1 stop8h 35m

C$ 651
Cheapest one-way

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Tue 22/9

12:10 p.m.-8:01 p.m.

1 stop10h 51m

C$ 182
Quickest one-way

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sat 22/8

5:15 p.m.-9:05 p.m.

1 stop6h 50m

C$ 249

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Tue 18/8

8:57 a.m.-2:10 p.m.

1 stop8h 13m

C$ 249

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/6

Showing 1-10 of 17 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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 71 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, October is the cheapest month in which you can book a flight from Buffalo to San Diego (average of C$ 496). Flying from Buffalo to San Diego in December is currently the most expensive (average of C$ 760). 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?

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated 18 June 2026.
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
4,236 reviews
Check prices

Overall

7.9

Comfort

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

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
4,236 reviews
Southwest
7.9
Good
4,236 reviews
Check prices

Overall

7.9

Comfort

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

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
7.1
Good
11,688 reviews
Southwest
7.9
Good
4,236 reviews
Check prices

Overall

7.9

Comfort

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

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

Find useful and relevant information for your journey from Buffalo to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    There are many flights that can get you from Buffalo to San Diego in 6h 30m. Fly via Southwest or Delta 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$ 314, 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$ 419. American Airlines is priced at 44% 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, October is the cheapest month in which you can book a flight from Buffalo to San Diego (average of C$ 496). Flying from Buffalo to San Diego in December is currently the most expensive (average of C$ 760). 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

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Top 2 airlines flying from Buffalo to San Diego

Discover the top 2 airlines that operate flights from Buffalo to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 18 June 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 314AverageC$ 502FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
SouthwestCheapestC$ 419AverageC$ 654FlexibilityNo cancel feeOn-time63%
Search Southwest flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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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