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Cheap flights from Buffalo to San Diego from C$ 209

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SAN
2 Apr — 9 Apr1
1 adult

Cheapflights Tip: The best prices from Buffalo to San Diego are usually found in January or November, 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 28 March 2025.

Round-trip from

C$ 387

One-way from

C$ 209

Popular in

December

Cheapest in

January

Average price

C$ 666
JetBlue
  • JetBlue
  • 15/5-19/5
  • 2 total stops
  • 21h 50m total
  • Buffalo to San Diego
Search Deals
JetBlue
  • JetBlue
  • 6/5
  • 1 total stop
  • 9h 31m total
  • Buffalo to San Diego
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
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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 28 March 2025.

Thu 15/510:33 a.m.BUF - SAN
1 stop11h 39mJetBlue
Mon 19/58:25 p.m.SAN - BUF
1 stop10h 11mJetBlue
Deal found 27/3C$ 387
Sat 24/55:51 p.m.BUF - SAN
1 stop7h 23mUnited Airlines
Sat 31/59:45 p.m.SAN - BUF
1 stop8h 58mUnited Airlines
Deal found 27/3C$ 489
Sat 17/56:30 a.m.BUF - SAN
1 stop7h 00mDelta
Mon 19/510:00 p.m.SAN - BUF
1 stop7h 17mDelta
Deal found 27/3C$ 493
Sat 26/49:30 a.m.BUF - SAN
2 stops11h 30mSouthwest
Sat 3/56:30 a.m.SAN - BUF
1 stop8h 45mSouthwest
Deal found 27/3C$ 536
Mon 12/57:32 p.m.BUF - SAN
1 stop7h 11mAmerican Airlines
Sun 18/510:39 p.m.SAN - BUF
2 stops13h 16mAmerican Airlines
Deal found 27/3C$ 693
Fri 4/412:44 p.m.BUF - SAN
2 stops14h 15mAlaska Airlines
Tue 15/47:20 p.m.SAN - BUF
2 stops13h 41mAlaska Airlines
Deal found 27/3C$ 939

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 28 March 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 15/5

10:33 a.m.-7:12 p.m.

1 stop11h 39m

San Diego

Mon 19/5

8:25 p.m.-9:36 a.m.

1 stop10h 11m

C$ 387

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sat 24/5

5:51 p.m.-10:14 p.m.

1 stop7h 23m

San Diego

Sat 31/5

9:45 p.m.-9:43 a.m.

1 stop8h 58m

C$ 489

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sat 17/5

6:30 a.m.-10:30 a.m.

1 stop7h 00m

San Diego

Mon 19/5

10:00 p.m.-8:17 a.m.

1 stop7h 17m

C$ 493

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sat 26/4

9:30 a.m.-6:00 p.m.

2 stops11h 30m

San Diego

Sat 3/5

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

1 stop8h 45m

C$ 536

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Mon 12/5

7:32 p.m.-11:43 p.m.

1 stop7h 11m

San Diego

Sun 18/5

10:39 p.m.-2:55 p.m.

2 stops13h 16m

C$ 693

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Thu 15/5

3:00 p.m.-11:59 p.m.

2 stops11h 59m

San Diego

Tue 20/5

6:15 a.m.-11:22 p.m.

2 stops14h 07m

C$ 1,013

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Tue 6/5

12:44 p.m.-7:15 p.m.

1 stop9h 31m

C$ 209

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sat 14/6

5:51 p.m.-10:14 p.m.

1 stop7h 23m

C$ 242

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sat 21/6

12:50 p.m.-6:06 p.m.

1 stop8h 16m

C$ 249

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Tue 6/5

7:05 a.m.-1:00 p.m.

2 stops8h 55m

C$ 253

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/3

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 21 March 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, January is the cheapest month in which you can book a flight from Buffalo to San Diego (average of C$ 300). Flying from Buffalo to San Diego in July is currently the most expensive (average of C$ 412). 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 28 March 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.

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 58.0 mm per month. February is typically the wettest month, when rainfall can reach 58.0 mm. July is typically the driest time to visit San Diego when rainfall is around 0.0 mm.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

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 28 March 2025.
Read through reviews of airlines operating flights from Buffalo to San Diego, such as Southwest, Alaska Airlines and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,274 reviews
Check prices

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.1
Very good
4,274 reviews
Southwest
8.1
Very good
4,274 reviews
Check prices

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Alaska Airlines
8.0
Very good
9,797 reviews
Southwest
8.1
Very good
4,274 reviews
Check prices

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,897 reviews
Southwest
8.1
Very good
4,274 reviews
Check prices

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,274 reviews
Check prices

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
JetBlue
7.3
Good
2,923 reviews
Southwest
8.1
Very good
4,274 reviews
Check prices

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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$ 387, 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 United Airlines and Delta - these airlines can fly you to your destination from C$ 489 and C$ 493, respectively. JetBlue is priced at 39% 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$ 209 on JetBlue. Other airlines that offer cheap prices include United Airlines from C$ 242 and Delta from C$ 249 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, January is the cheapest month in which you can book a flight from Buffalo to San Diego (average of C$ 300). Flying from Buffalo to San Diego in July is currently the most expensive (average of C$ 412). 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
El Cajon
Borrego Springs

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Top 5 airlines flying from Buffalo to San Diego

Discover the top 5 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 28 March 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 225AverageC$ 362FlexibilityNo cancel feeOn-time62%
Search Frontier flights
American AirlinesCheapestC$ 437AverageC$ 574FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapestC$ 437AverageC$ 703FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
SouthwestCheapestC$ 559AverageC$ 713FlexibilityNo cancel feeOn-time63%
Search Southwest flights
United AirlinesCheapestC$ 679AverageC$ 872FlexibilityNo 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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