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$119+ 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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BUF
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from San Diego to Buffalo are usually found in March or January, booked 39 days in advance, depart on a Saturday or Tuesday and return on a Wednesday

Cheap 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 July 29, 2025.

Round-trip from

$244
(American Airlines)

One-way from

$119
(American Airlines)

Popular in

November

Cheapest in

March

Average price

$421
From San Diego to Buffalo
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One-way flight from San Diego to Buffalo
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Highest demand for flights based on searches. 9% potential increase in price ($44 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 July 29, 2025.

This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/276:15 amSAN - BUF
1 stop7h 26mAmerican Airlines
Sun 8/311:12 pmBUF - SAN
1 stop8h 20mAmerican Airlines
Deal found 7/27$244
This Frontier deal was found by Cheapflights users on 7/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/129:03 pmSAN - BUF
1 stop13h 11mFrontier
Mon 10/202:09 pmBUF - SAN
1 stop12h 41mFrontier
Deal found 7/28$278
This United Airlines deal was found by Cheapflights users on 7/29. 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 9/2711:08 amSAN - BUF
2 stops8h 38mUnited Airlines
Tue 9/307:07 amBUF - SAN
2 stops8h 50mUnited Airlines
Deal found 7/29$290
This Southwest deal was found by Cheapflights users on 7/27. 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.
Wed 8/276:15 pmSAN - BUF
2 stops10h 40mSouthwest
Sun 8/316:30 amBUF - SAN
1 stop7h 55mSouthwest
Deal found 7/27$343
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2910:40 pmSAN - BUF
1 stop6h 42mDelta
Sun 8/316:20 amBUF - SAN
2 stops19h 34mDelta
Deal found 7/28$366
This Trip.com deal was found by Cheapflights users on 7/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/158:40 pmSAN - BUF
1 stop9h 23mJetBlue
Sun 10/197:00 amBUF - SAN
1 stop8h 42mJetBlue
Deal found 7/28$376
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/77:45 pmSAN - BUF
2 stops12h 21mAlaska Airlines
Sun 9/145:38 amBUF - SAN
1 stop9h 42mAlaska Airlines
Deal found 7/28$423

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 July 29, 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

Wed 8/27

6:15 am-4:41 pm

1 stop7h 26m

Buffalo

Sun 8/31

1:12 pm-6:32 pm

1 stop8h 20m

$244

San DiegoBuffalo

SAN - BUF

SANBUF

San Diego

Sun 10/12

9:03 pm-1:14 pm

1 stop13h 11m

Buffalo

Mon 10/20

2:09 pm-11:50 pm

1 stop12h 41m

$278

San DiegoBuffalo

SAN - BUF

SANBUF

San Diego

Sat 9/27

11:08 am-10:46 pm

2 stops8h 38m

Buffalo

Tue 9/30

7:07 am-12:57 pm

2 stops8h 50m

$290

San DiegoBuffalo

SAN - BUF

SANBUF

San Diego

Wed 8/27

6:15 pm-7:55 am

2 stops10h 40m

Buffalo

Sun 8/31

6:30 am-11:25 am

1 stop7h 55m

$343

San DiegoBuffalo

SAN - BUF

SANBUF

San Diego

Fri 8/29

10:40 pm-8:22 am

1 stop6h 42m

Buffalo

Sun 8/31

6:20 am-10:54 pm

2 stops19h 34m

$366

San DiegoBuffalo

SAN - BUF

SANBUF

San Diego

Wed 10/15

8:40 pm-9:03 am

1 stop9h 23m

Buffalo

Sun 10/19

7:00 am-12:42 pm

1 stop8h 42m

$376

San DiegoBuffalo

SAN - BUF

SANBUF

San Diego

Sun 9/7

7:45 pm-11:06 am

2 stops12h 21m

Buffalo

Sun 9/14

5:38 am-12:20 pm

1 stop9h 42m

$423

San DiegoBuffalo

SAN - BUF

SANBUF

San Diego

Sat 8/30

6:20 am-8:31 pm

1 stop11h 11m

$119

San DiegoBuffalo

SAN - BUF

SANBUF

San Diego

Sun 9/28

6:35 am-4:02 pm

1 stop6h 27m

$128

San DiegoBuffalo

SAN - BUF

SANBUF

San Diego

Thu 10/30

10:10 pm-10:19 am

1 stop9h 09m

$149

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 14 results
1
2

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 July 25, 2025.

To ensure you get the cheapest price possible for a flight from San Diego to Buffalo, you should look to book at least 39 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, January is the cheapest month in which you can book a flight from San Diego to Buffalo (average of $256). Flying from San Diego to Buffalo in December is currently the most expensive (average of $337). 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 July 29, 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 22% 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 July 29, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

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

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

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
4,238 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

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
7,979 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

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
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

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 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.

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

    Currently priced at $244, American Airlines will fly you from San Diego to Buffalo and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and United Airlines - these airlines can fly you to your destination from $278 and $290, respectively. American Airlines is 44% 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?

    $119 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Frontier and Delta, with prices starting from $128 and $149, 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, January is the cheapest month in which you can book a flight from San Diego to Buffalo (average of $256). Flying from San Diego to Buffalo in December is currently the most expensive (average of $337). 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
Orchard Park
Batavia
Williamsville
Eden
Amherst
West Seneca

Browse thousands of different options on Cheapflights for your next trip

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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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$172Average$335FlexibilityNo cancel feeOn-time62%
FrontierCheapest$218Average$238FlexibilityNo cancel feeOn-time62%
DeltaCheapest$324Average$438FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$327Average$411FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$346Average$456FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$357Average$485FlexibilityNo cancel feeOn-time63%

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