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$146+ Cheap flights from Buffalo to San Diego (BUF - SAN)

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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SAN
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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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 Saturday

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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$271
(JetBlue)

One-way from

$146
(JetBlue)

Popular in

December

Cheapest in

January

Average price

$466
Provider with most accurate pricing for Buffalo-San Diego flight deals.
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Provider most trusted by Cheapflights users for Buffalo-San Diego flights.
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From Buffalo to San Diego
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One-way flight from Buffalo to San Diego
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($11 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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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 March 28, 2025.

This JetBlue deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1510:33 amBUF - SAN
1 stop11h 39mJetBlue
Mon 5/198:25 pmSAN - BUF
1 stop10h 11mJetBlue
Deal found 3/27$271
This Cheapflightsfares deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2911:41 amBUF - SAN
1 stop8h 22mMultiple Airlines
Mon 6/26:25 amSAN - BUF
1 stop7h 04mMultiple Airlines
Deal found 3/27$332
This United Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/245:51 pmBUF - SAN
1 stop7h 23mUnited Airlines
Sat 5/319:45 pmSAN - BUF
1 stop8h 58mUnited Airlines
Deal found 3/27$342
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/176:30 amBUF - SAN
1 stop7h 00mDelta
Mon 5/1910:00 pmSAN - BUF
1 stop7h 17mDelta
Deal found 3/27$345
This American Airlines deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/244:12 pmBUF - SAN
1 stop8h 04mAmerican Airlines
Sat 6/2810:29 amSAN - BUF
1 stop8h 09mAmerican Airlines
Deal found 3/28$347
This Southwest deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/269:30 amBUF - SAN
2 stops11h 30mSouthwest
Sat 5/36:30 amSAN - BUF
1 stop8h 45mSouthwest
Deal found 3/27$375
This Alaska Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/412:44 pmBUF - SAN
2 stops14h 15mAlaska Airlines
Tue 4/157:20 pmSAN - BUF
2 stops13h 41mAlaska Airlines
Deal found 3/27$657

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 2,558,603 searches. Data last updated March 28, 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 5/15

10:33 am-7:12 pm

1 stop11h 39m

San Diego

Mon 5/19

8:25 pm-9:36 am

1 stop10h 11m

$271

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Thu 5/29

11:41 am-5:03 pm

1 stop8h 22m

San Diego

Mon 6/2

6:25 am-4:29 pm

1 stop7h 04m

$332

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sat 5/24

5:51 pm-10:14 pm

1 stop7h 23m

San Diego

Sat 5/31

9:45 pm-9:43 am

1 stop8h 58m

$342

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sat 5/17

6:30 am-10:30 am

1 stop7h 00m

San Diego

Mon 5/19

10:00 pm-8:17 am

1 stop7h 17m

$345

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Tue 6/24

4:12 pm-9:16 pm

1 stop8h 04m

San Diego

Sat 6/28

10:29 am-9:38 pm

1 stop8h 09m

$347

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sat 4/26

9:30 am-6:00 pm

2 stops11h 30m

San Diego

Sat 5/3

6:30 am-6:15 pm

1 stop8h 45m

$375

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Thu 5/15

3:00 pm-11:59 pm

2 stops11h 59m

San Diego

Tue 5/20

6:15 am-11:22 pm

2 stops14h 07m

$709

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Tue 5/6

12:44 pm-7:15 pm

1 stop9h 31m

$146

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Thu 8/21

11:40 am-5:17 pm

1 stop8h 37m

$163

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sat 6/14

5:51 pm-10:14 pm

1 stop7h 23m

$169

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 13 results
1
2

Compare providers for flights from Buffalo to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Buffalo to San Diego in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Buffalo-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buffalo-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Buffalo-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Buffalo-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 March 21, 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, August is the cheapest month in which you can book a flight from Buffalo to San Diego (average of $286). Flying from Buffalo to San Diego in March is currently the most expensive (average of $366). 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 March 28, 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 31% versus a flight in the afternoon.

What is the cheapest day to fly from Buffalo to San Diego?

Use this chart to determine the cheapest time to fly round-trip from Buffalo to San Diego. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Buffalo to San Diego flight should consider departing on Wednesday evenings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

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 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

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 March 28, 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines and Delta from Buffalo to San Diego to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,274 reviews

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

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
9,798 reviews
Southwest
8.1
Very good
4,274 reviews

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

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

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

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?

    Cheapflights users have booked flights from Buffalo to San Diego round-trip from $271. Other airlines that can offer you cheap pricing are United Airlines, from $342, and Delta, from $345. Users have found that JetBlue is 39% cheaper than the other options available to this destination.

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

    The cheapest airlines for a one-way flight from Buffalo to San Diego are JetBlue ($146), Sun Country Air ($163), and United Airlines ($169).

  • 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, August is the cheapest month in which you can book a flight from Buffalo to San Diego (average of $286). Flying from Buffalo to San Diego in March is currently the most expensive (average of $366). 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

Traveling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
El Cajon
Chula Vista
Lemon Grove
National City
Imperial Beach
La Mesa
Alpine
Poway
Santee
Coronado
Borrego Springs

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Top 6 airlines flying from Buffalo to San Diego

Discover the top 6 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 2,558,603 searches. Data last updated March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$198Average$314FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$251Average$298FlexibilityNo cancel feeOn-time62%
DeltaCheapest$308Average$440FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$326Average$483FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$340Average$492FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$346Average$468FlexibilityNo cancel feeOn-time63%
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