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Cheap flights from Buffalo to San Diego from C$ 213

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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SAN
7 Jul — 14 Jul1
1 adult

Cheapflights Tip: The best prices from Buffalo to San Diego are usually found in January or September, booked 69 days in advance, depart on a Wednesday or Saturday and return on a Monday

Cheap 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 2 July 2025.

Round-trip from

C$ 397

One-way from

C$ 213

Popular in

December

Cheapest in

January

Average price

C$ 583
JetBlue
  • JetBlue
  • 28/8-1/9
  • 2 total stops
  • 21h 16m total
  • Buffalo to San Diego
Search Deals
JetBlue
  • JetBlue
  • 3/12
  • 1 total stop
  • 10h 27m total
  • Buffalo to San Diego
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 35 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 July 2025
Search Deals

Find flight deals from Buffalo to San Diego

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 2 July 2025.

Thu 28/89:45 a.m.BUF - SAN
1 stop12h 12mJetBlue
Sun 31/89:00 p.m.SAN - BUF
1 stop9h 04mJetBlue
Deal found 2/7C$ 397
Fri 11/72:11 p.m.BUF - SAN
1 stop12h 41mFrontier
Wed 16/76:25 a.m.SAN - BUF
1 stop6h 52mFrontier
Deal found 30/6C$ 439
Wed 8/1010:55 a.m.BUF - SAN
1 stop7h 55mUnited Airlines
Mon 13/1010:30 p.m.SAN - BUF
1 stop8h 28mUnited Airlines
Deal found 2/7C$ 467
Wed 6/87:24 p.m.BUF - SAN
1 stop7h 05mDelta
Wed 13/810:40 p.m.SAN - BUF
1 stop6h 42mDelta
Deal found 1/7C$ 469
Thu 16/103:10 p.m.BUF - SAN
1 stop8h 15mSouthwest
Mon 20/107:35 p.m.SAN - BUF
2 stops9h 35mSouthwest
Deal found 30/6C$ 474

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 2 July 2025.
Use the filters below to find and compare flights from Buffalo to San Diego that are best for you.

Fly from

Buffalo

Fly to

San Diego

Route

Depart

Return

Price

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Thu 28/8

9:45 a.m.-6:57 p.m.

1 stop12h 12m

San Diego

Mon 1/9

9:00 p.m.-9:04 a.m.

1 stop9h 04m

C$ 397

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Mon 4/8

2:11 p.m.-11:52 p.m.

1 stop12h 41m

San Diego

Wed 13/8

6:25 a.m.-4:17 p.m.

1 stop6h 52m

C$ 440

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Wed 8/10

10:55 a.m.-3:50 p.m.

1 stop7h 55m

San Diego

Mon 13/10

10:30 p.m.-9:58 a.m.

1 stop8h 28m

C$ 467

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Wed 6/8

7:24 p.m.-11:29 p.m.

1 stop7h 05m

San Diego

Wed 13/8

10:40 p.m.-8:22 a.m.

1 stop6h 42m

C$ 469

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Thu 16/10

3:10 p.m.-8:25 p.m.

1 stop8h 15m

San Diego

Mon 20/10

7:35 p.m.-8:10 a.m.

2 stops9h 35m

C$ 474

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Wed 3/12

6:05 a.m.-1:32 p.m.

1 stop10h 27m

C$ 213

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Fri 18/7

2:11 p.m.-11:52 p.m.

1 stop12h 41m

C$ 236

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Wed 3/12

2:55 p.m.-10:19 p.m.

2 stops10h 24m

C$ 241

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Mon 1/9

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

2 stops10h 00m

C$ 292

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Fri 18/7

11:41 a.m.-11:06 p.m.

2 stops14h 25m

C$ 305

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 11 results
1
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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
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?

Use this chart to determine the optimal time to book a round-trip flight from Buffalo to San Diego. Price data was last updated on 27 June 2025.

Booking 69 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, May is the cheapest month in which you can book a flight from Buffalo to San Diego (average of C$ 289). Flying from Buffalo to San Diego in September is currently the most expensive (average of C$ 390). 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.

What is the cheapest time of day to fly from BUF to SAN?

Find hourly flight availability from Buffalo to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 July 2025.

When flying from Buffalo to San Diego, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 52% versus a flight in the morning.

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 2 July 2025.
See what other customers who have flown with Alaska Airlines,Southwest, andDelta 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.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Entertainment

7.1

Food

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Entertainment

7.1

Food

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,272 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Entertainment

7.1

Food

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,983 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Entertainment

7.1

Food

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Entertainment

7.1

Food

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
JetBlue
7.3
Good
2,918 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Entertainment

7.1

Food

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    Currently priced at C$ 397, JetBlue will fly you from Buffalo to San Diego and back. In addition to JetBlue, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and United Airlines - these airlines can fly you to your destination from C$ 440 and C$ 467, respectively. JetBlue is priced at 32% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Buffalo to San Diego one-way?

    One-way options have recently been found by users for as low as C$ 213 on JetBlue. Other airlines that offer cheap prices include Frontier from C$ 236 and United Airlines from C$ 241 one-way.

  • 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, May is the cheapest month in which you can book a flight from Buffalo to San Diego (average of C$ 289). Flying from Buffalo to San Diego in September is currently the most expensive (average of C$ 390). 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 Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Borrego Springs
El Cajon

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Top 3 airlines flying from Buffalo to San Diego

Discover the top 3 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 2 July 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 417AverageC$ 670FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
SouthwestCheapestC$ 516AverageC$ 653FlexibilityNo cancel feeOn-time63%
Search Southwest flights
United AirlinesCheapestC$ 640AverageC$ 827FlexibilityNo cancel feeOn-time69%
Search United Airlines 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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