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$101+ Cheap flights from San Diego to Buffalo (SAN - BUF)

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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BUF
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Find cheap flights from San Diego to Buffalo with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheapflights Tip: The best prices from San Diego to Buffalo are usually found in September or October, booked 40 days in advance, depart on a Saturday or Tuesday and return on a Wednesday

Cheap flight deals from San Diego to Buffalo

Cheapest flights from San Diego to Buffalo
Explore the most affordable flight options available from San Diego to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

This Southwest deal was found by Cheapflights users on 12/21. 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.
Mon 12/2912:55 pmSAN - BUF
1 stop6h 30mSouthwest
Sat 1/35:00 amBUF - SAN
2 stops9h 10mSouthwest
Deal found 12/21$584
This Southwest deal was found by Cheapflights users on 12/20. 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.
Thu 12/259:45 pmSAN - BUF
1 stop7h 10mSouthwest
Fri 12/2610:20 amBUF - SAN
1 stop9h 55mSouthwest
Deal found 12/20$795
This American Airlines deal was found by Cheapflights users on 12/21. 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.
Wed 12/2410:01 pmSAN - BUF
1 stop10h 08mAmerican Airlines
Sun 12/2811:32 amBUF - SAN
1 stop10h 21mAmerican Airlines
Deal found 12/21$996
This Delta deal was found by Cheapflights users on 12/21. 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 12/2710:40 pmSAN - BUF
1 stop9h 41mDelta
Mon 12/296:10 amBUF - SAN
1 stop7h 32mDelta
Deal found 12/21$1,065
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Wed 12/247:00 amSAN - BUF
2 stops13h 33mUnited Airlines
Sun 12/286:00 amBUF - SAN
1 stop9h 17mUnited Airlines
Deal found 12/21$1,112
This Southwest deal was found by Cheapflights users on 12/21. 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.
Wed 12/2410:20 amSAN - BUF
2 stops8h 40mSouthwest
Sun 12/286:00 amBUF - SAN
2 stops10h 20mSouthwest
Deal found 12/21$1,122
This American Airlines deal was found by Cheapflights users on 12/21. 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.
Sat 12/2712:21 pmSAN - BUF
2 stops8h 51mAmerican Airlines
Mon 12/291:37 pmBUF - SAN
1 stop10h 25mAmerican Airlines
Deal found 12/21$1,312
This United Airlines deal was found by Cheapflights users on 12/21. 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 12/276:30 amSAN - BUF
2 stops11h 24mUnited Airlines
Mon 12/291:59 pmBUF - SAN
2 stops13h 16mUnited Airlines
Deal found 12/21$1,375

Find flight deals from San Diego to Buffalo

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Buffalo (BUF). 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 December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$269
(JetBlue)

One-way from

$101
(Trip.com)

Popular in

April

Cheapest in

September

Average price

$576
Provider with most accurate pricing for San Diego-Buffalo flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Buffalo flights.
Search Deals
From San Diego to Buffalo
Search Deals
One-way flight from San Diego to Buffalo
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to Buffalo 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 December 23, 2025.
Use the filters below to find and compare flights from San Diego to Buffalo that are best for you.

Fly from

San Diego

Fly to

Buffalo

Route

Depart

Return

Price

San DiegoBuffalo

SAN - BUF

SANBUF

San Diego

Sat 2/14

9:00 pm-9:28 am

1 stop9h 28m

Buffalo

Wed 2/18

10:21 am-7:47 pm

1 stop12h 26m

$269

San DiegoBuffalo

SAN - BUF

SANBUF

San Diego

Tue 2/10

12:40 pm-11:41 pm

1 stop8h 01m

Buffalo

Tue 2/17

4:25 pm-9:58 pm

1 stop8h 33m

$297

San DiegoBuffalo

SAN - BUF

SANBUF

San Diego

Tue 1/20

6:15 am-8:29 pm

2 stops11h 14m

Buffalo

Wed 1/21

6:00 am-12:27 pm

1 stop9h 27m

$298

San DiegoBuffalo

SAN - BUF

SANBUF

San Diego

Fri 1/16

1:58 pm-11:48 pm

1 stop6h 50m

Buffalo

Mon 1/19

4:01 pm-10:58 pm

1 stop9h 57m

$334

San DiegoBuffalo

SAN - BUF

SANBUF

San Diego

Wed 1/14

6:15 am-5:47 pm

2 stops8h 32m

Buffalo

Mon 1/19

4:01 pm-10:58 pm

1 stop9h 57m

$338

San DiegoBuffalo

SAN - BUF

SANBUF

San Diego

Tue 2/10

7:40 pm-8:05 am

2 stops9h 25m

Buffalo

Tue 2/17

5:50 am-12:50 pm

2 stops10h 00m

$339

San DiegoBuffalo

SAN - BUF

SANBUF

San Diego

Sat 1/17

10:09 am-11:53 pm

2 stops10h 44m

Buffalo

Mon 1/19

4:01 pm-10:58 pm

1 stop9h 57m

$339

San DiegoBuffalo

SAN - BUF

SANBUF

San Diego

Fri 2/13

8:15 pm-7:55 am

2 stops8h 40m

Buffalo

Mon 2/16

3:50 pm-10:10 pm

1 stop9h 20m

$381

San DiegoBuffalo

SAN - BUF

SANBUF

San Diego

Sat 2/14

11:30 am-10:59 pm

1 stop8h 29m

Buffalo

Wed 2/18

2:54 pm-10:35 pm

2 stops10h 41m

$402

San DiegoBuffalo

SAN - BUF

SANBUF

San Diego

Mon 1/12

9:15 pm-9:36 am

1 stop9h 21m

$135

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 20 results
1
2

Compare providers for flights from San Diego to Buffalo

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 San Diego to Buffalo in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 San Diego-Buffalo flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Diego-Buffalo flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Diego-Buffalo flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Buffalo flights, Cheapflights users trust eDreams the most. eDreams 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 San Diego-Buffalo 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 San Diego to Buffalo

Have a flexible travel schedule? Discover the best time to fly to Buffalo from San Diego 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 San Diego to Buffalo

How far ahead should I book a flight from San Diego to Buffalo?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Buffalo. Price data was last updated on December 19, 2025.

To ensure you get the cheapest price possible for a flight from San Diego to Buffalo, you should look to book at least 40 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from San Diego to Buffalo?

Currently, September is the cheapest month in which you can book a flight from San Diego to Buffalo (average of $147). Flying from San Diego to Buffalo in February is currently the most expensive (average of $303). 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 SAN to BUF?

Find hourly flight availability from San Diego to Buffalo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2025.

When flying from San Diego to Buffalo, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 21% versus a flight in the morning.

Reviews of airlines servicing Buffalo

Get insights into the airlines that provide service to Buffalo. 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 Buffalo. Reviews last updated December 23, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from San Diego to Buffalo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,253 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Southwest
8.0
Very good
4,253 reviews
Southwest
8.0
Very good
4,253 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Delta
7.9
Good
8,014 reviews
Southwest
8.0
Very good
4,253 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
United Airlines
7.4
Good
9,105 reviews
Southwest
8.0
Very good
4,253 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
American Airlines
7.2
Good
11,054 reviews
Southwest
8.0
Very good
4,253 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Frontier
5.8
Fair
3,075 reviews
Southwest
8.0
Very good
4,253 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Buffalo. 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 San Diego to Buffalo?

    There are many flights that can get you from San Diego to Buffalo in 8h 01m. Fly via JetBlue, American Airlines, or United Airlines to get the fastest option. There are 2191 mi between San Diego and Buffalo. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Currently priced at $139, Frontier will fly you from San Diego to Buffalo and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from JetBlue and American Airlines - these airlines can fly you to your destination from $155 and $196, respectively. Frontier is 68% cheaper than the average price of flights available within the next 90 days to this destination.

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

    $104 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on United Airlines and American Airlines, with prices starting from $121 and $128, respectively.

  • Can I find deals for flights from San Diego to Buffalo that include hotel bookings?

    Yes. In addition to deals on San Diego to Buffalo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Buffalo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Buffalo.

  • Can I find deals for business class flights from San Diego to Buffalo?

    Yes. Cheapflights offers flight deals from San Diego to Buffalo 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 San Diego to Buffalo?

    Currently, September is the cheapest month in which you can book a flight from San Diego to Buffalo (average of $147). Flying from San Diego to Buffalo in February is currently the most expensive (average of $303). 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
Lockport
Cheektowaga
Batavia
Williamsville
Orchard Park
Eden
Amherst
West Seneca

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Top 6 airlines flying from San Diego to Buffalo

Discover the top 6 airlines that operate flights from San Diego to Buffalo. 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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$161Average$290FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$196Average$381FlexibilityNo cancel feeOn-time71%
FrontierCheapest$209Average$247FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$256Average$420FlexibilityNo cancel feeOn-time69%
DeltaCheapest$296Average$437FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$364Average$519FlexibilityNo cancel feeOn-time63%

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