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$93+ 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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BUF
Feb 1 — Feb 81
Sun 2/1
Sun 2/8
1 adult, Economy
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Cheap flight deals from San Diego to Buffalo

Best flights from San Diego to Buffalo
Discover carefully curated flight deals from San Diego to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 2, 2026.

This SmartFares deal was found by Cheapflights users on 12/31. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/289:00 pmSAN - BUF
1 stop9h 02mJetBlue
Wed 2/47:00 amBUF - SAN
1 stop10h 18mJetBlue
Deal found 12/31$238
This American Airlines deal was found by Cheapflights users on 12/31. 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.
Mon 4/1310:46 pmSAN - BUF
1 stop8h 32mAmerican Airlines
Thu 4/161:45 pmBUF - SAN
1 stop10h 07mAmerican Airlines
Deal found 12/31$297
This Delta deal was found by Cheapflights users on 1/1. 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.
Fri 5/159:40 pmSAN - BUF
1 stop10h 22mDelta
Tue 5/194:57 pmBUF - SAN
1 stop9h 01mDelta
Deal found 1/1$318
This United Airlines deal was found by Cheapflights users on 12/31. 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 1/147:00 amSAN - BUF
1 stop6h 44mUnited Airlines
Sat 1/1711:24 amBUF - SAN
2 stops12h 18mUnited Airlines
Deal found 12/31$363
This JetBlue deal was found by Cheapflights users on 12/30. 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.
Mon 3/212:49 pmSAN - BUF
1 stop7h 43mJetBlue
Wed 3/48:00 amBUF - SAN
1 stop9h 23mJetBlue
Deal found 12/30$269
This American Airlines deal was found by Cheapflights users on 12/30. 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.
Thu 2/511:30 amSAN - BUF
1 stop8h 25mAmerican Airlines
Thu 2/121:31 pmBUF - SAN
1 stop10h 36mAmerican Airlines
Deal found 12/30$305
This Expedia deal was found by Cheapflights users on 12/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/143:30 pmSAN - BUF
1 stop14h 32mJetBlue
Sat 1/177:00 amBUF - SAN
1 stop15h 15mJetBlue
Deal found 12/31$283
This American Airlines deal was found by Cheapflights users on 12/31. 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 1/286:15 amSAN - BUF
2 stops8h 32mAmerican Airlines
Wed 2/412:58 pmBUF - SAN
2 stops10h 43mAmerican Airlines
Deal found 12/31$329
This CheapOair deal was found by Cheapflights users on 12/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/139:10 pmSAN - BUF
1 stop9h 29mJetBlue
Mon 2/168:45 pmBUF - SAN
1 stop26h 15mJetBlue
Deal found 12/30$352

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 January 2, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$238
(SmartFares)

One-way from

$93
(Kiwi.com)

Popular in

April

Cheapest in

September

Average price

$371
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. 5% potential increase in price ($25 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 January 2026
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 January 2, 2026.
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

Wed 1/28

9:00 pm-9:02 am

1 stop9h 02m

Buffalo

Wed 2/4

7:00 am-2:18 pm

1 stop10h 18m

$238

San DiegoBuffalo

SAN - BUF

SANBUF

San Diego

Mon 3/2

12:49 pm-11:32 pm

1 stop7h 43m

Buffalo

Wed 3/4

8:00 am-2:23 pm

1 stop9h 23m

$269

San DiegoBuffalo

SAN - BUF

SANBUF

San Diego

Wed 1/14

3:30 pm-9:02 am

1 stop14h 32m

Buffalo

Sat 1/17

7:00 am-7:15 pm

1 stop15h 15m

$283

San DiegoBuffalo

SAN - BUF

SANBUF

San Diego

Mon 4/13

10:46 pm-10:18 am

1 stop8h 32m

Buffalo

Thu 4/16

1:45 pm-8:52 pm

1 stop10h 07m

$297

San DiegoBuffalo

SAN - BUF

SANBUF

San Diego

Thu 2/5

11:30 am-10:55 pm

1 stop8h 25m

Buffalo

Thu 2/12

1:31 pm-9:07 pm

1 stop10h 36m

$305

San DiegoBuffalo

SAN - BUF

SANBUF

San Diego

Fri 5/15

9:40 pm-11:02 am

1 stop10h 22m

Buffalo

Tue 5/19

4:57 pm-10:58 pm

1 stop9h 01m

$318

San DiegoBuffalo

SAN - BUF

SANBUF

San Diego

Wed 1/28

6:15 am-5:47 pm

2 stops8h 32m

Buffalo

Wed 2/4

12:58 pm-8:41 pm

2 stops10h 43m

$329

San DiegoBuffalo

SAN - BUF

SANBUF

San Diego

Fri 2/13

9:10 pm-9:39 am

1 stop9h 29m

Buffalo

Mon 2/16

8:45 pm-8:00 pm

1 stop26h 15m

$352

San DiegoBuffalo

SAN - BUF

SANBUF

San Diego

Wed 1/14

7:00 am-4:44 pm

1 stop6h 44m

Buffalo

Sat 1/17

11:24 am-8:42 pm

2 stops12h 18m

$363

San DiegoBuffalo

SAN - BUF

SANBUF

San Diego

Fri 1/23

9:00 pm-9:02 am

1 stop9h 02m

$135

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/1

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 January.
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 26, 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.

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 January 2, 2026.
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
4,254 reviews

Food

7.0

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

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
4,254 reviews
Southwest
8.0
Very good
4,254 reviews

Food

7.0

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

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
8,021 reviews
Southwest
8.0
Very good
4,254 reviews

Food

7.0

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

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
9,132 reviews
Southwest
8.0
Very good
4,254 reviews

Food

7.0

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

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
11,074 reviews
Southwest
8.0
Very good
4,254 reviews

Food

7.0

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

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
5.7
Fair
3,069 reviews
Southwest
8.0
Very good
4,254 reviews

Food

7.0

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

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 9h 02m. Fly via JetBlue to get the fastest option. There are 2191 mi between San Diego and Buffalo.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Diego to Buffalo

See prices for flight routes from nearby airports that may be better suited for you.
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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 January 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$161Average$290FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$196Average$381FlexibilityNo cancel feeOn-time71%
FrontierCheapest$209Average$247FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$256Average$419FlexibilityNo cancel feeOn-time69%
DeltaCheapest$296Average$437FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$364Average$518FlexibilityNo cancel feeOn-time63%

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