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Cheap flights from Buffalo to San Diego from C$ 204

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 29/9. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SAN
17 Jun — 24 Jun1
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 12 June 2025.

Round-trip from

C$ 398

One-way from

C$ 204

Popular in

December

Cheapest in

January

Average price

C$ 569
JetBlue
  • JetBlue
  • 21/8-26/8
  • 2 total stops
  • 22h 04m total
  • Buffalo to San Diego
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United Airlines
  • United Airlines
  • 29/9
  • 1 total stop
  • 7h 19m total
  • Buffalo to San Diego
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 33 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 12 June 2025.

Thu 21/89:49 a.m.BUF - SAN
1 stop12h 29mJetBlue
Mon 25/88:29 p.m.SAN - BUF
1 stop9h 35mJetBlue
Deal found 10/6C$ 398
Mon 18/83:58 p.m.BUF - SAN
1 stop8h 56mDelta
Thu 21/810:40 p.m.SAN - BUF
1 stop6h 42mDelta
Deal found 10/6C$ 406
Wed 13/81:20 p.m.BUF - SAN
1 stop11h 25mSouthwest
Wed 20/86:15 p.m.SAN - BUF
2 stops10h 40mSouthwest
Deal found 11/6C$ 421
Thu 24/711:23 a.m.BUF - SAN
1 stop8h 26mSun Country Air
Thu 31/75:25 p.m.SAN - BUF
1 stop14h 13mSun Country Air
Deal found 12/6C$ 499
Sun 6/711:41 a.m.BUF - SAN
2 stops22h 32mMultiple Airlines
Sun 13/76:15 a.m.SAN - BUF
2 stops25h 35mMultiple Airlines
Deal found 10/6C$ 540
Tue 21/1010:55 a.m.BUF - SAN
2 stops11h 57mUnited Airlines
Tue 28/107:30 a.m.SAN - BUF
1 stop8h 16mUnited Airlines
Deal found 10/6C$ 550
Fri 20/62:10 p.m.BUF - SAN
1 stop12h 45mFrontier
Sun 29/68:37 p.m.SAN - BUF
1 stop13h 38mFrontier
Deal found 10/6C$ 622
Sat 15/1111:43 a.m.BUF - SAN
2 stops11h 57mAlaska Airlines
Tue 18/1111:45 a.m.SAN - BUF
2 stops21h 12mAlaska Airlines
Deal found 9/6C$ 625
Tue 24/66:00 a.m.BUF - SAN
2 stops11h 29mAmerican Airlines
Mon 30/67:33 p.m.SAN - BUF
2 stops10h 45mAmerican Airlines
Deal found 10/6C$ 742

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 12 June 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 21/8

9:49 a.m.-7:18 p.m.

1 stop12h 29m

San Diego

Tue 26/8

8:29 p.m.-9:04 a.m.

1 stop9h 35m

C$ 398

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Mon 18/8

3:58 p.m.-9:54 p.m.

1 stop8h 56m

San Diego

Thu 21/8

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

1 stop6h 42m

C$ 406

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Wed 13/8

1:20 p.m.-9:45 p.m.

1 stop11h 25m

San Diego

Wed 20/8

6:15 p.m.-7:55 a.m.

2 stops10h 40m

C$ 421

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Thu 24/7

11:23 a.m.-4:49 p.m.

1 stop8h 26m

San Diego

Thu 31/7

5:25 p.m.-10:38 a.m.

1 stop14h 13m

C$ 499

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sun 6/7

11:41 a.m.-7:13 a.m.

2 stops22h 32m

San Diego

Sun 13/7

6:15 a.m.-10:50 a.m.

2 stops25h 35m

C$ 540

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Tue 21/10

10:55 a.m.-7:52 p.m.

2 stops11h 57m

San Diego

Tue 28/10

7:30 a.m.-6:46 p.m.

1 stop8h 16m

C$ 550

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Mon 23/6

2:10 p.m.-11:55 p.m.

1 stop12h 45m

San Diego

Sun 29/6

8:37 p.m.-1:15 p.m.

1 stop13h 38m

C$ 622

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sat 15/11

11:43 a.m.-8:40 p.m.

2 stops11h 57m

San Diego

Tue 18/11

11:45 a.m.-11:57 a.m.

2 stops21h 12m

C$ 625

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Tue 24/6

6:00 a.m.-2:29 p.m.

2 stops11h 29m

San Diego

Mon 30/6

7:33 p.m.-9:18 a.m.

2 stops10h 45m

C$ 742

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Mon 29/9

5:55 p.m.-10:14 p.m.

1 stop7h 19m

C$ 204

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/6

Showing 1-10 of 16 results
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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 9 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 November 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 12 June 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 12 June 2025.
Read through reviews of airlines operating flights from Buffalo to San Diego, such as Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

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

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

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
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

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
2,925 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

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$ 398, 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 Delta and Southwest - these airlines can fly you to your destination from C$ 406 and C$ 421, respectively. JetBlue is priced at 33% 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$ 204 on United Airlines. Other airlines that offer cheap prices include Southwest from C$ 211 and JetBlue from C$ 213 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 November 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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Alternative routes for Buffalo to San Diego

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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 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 418AverageC$ 673FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
SouthwestCheapestC$ 535AverageC$ 665FlexibilityNo cancel feeOn-time63%
Search Southwest flights
United AirlinesCheapestC$ 642AverageC$ 799FlexibilityNo 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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