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Cheap flights from Buffalo to San Diego from $128

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to San Diego departing on 2/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Buffalo to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
10:25 am - 8:00 pm
BUF
-
SAN
12h 35m
1 stop
JetBlue Logo
9:10 pm - 9:35 am
SAN
-
BUF
9h 25m
1 stop
$268JetBlue
Sat, Feb 28 - Tue, Mar 10
JetBlue Logo
10:25 am - 8:00 pm
BUF
-
SAN
12h 35m
1 stop
JetBlue Logo
9:10 pm - 9:40 am
SAN
-
BUF
9h 30m
1 stop
$269JetBlue
Thu, Feb 26 - Mon, Mar 2
United Airlines Logo
6:07 am - 11:51 am
BUF
-
SAN
8h 44m
1 stop
United Airlines Logo
12:55 pm - 10:59 pm
SAN
-
BUF
7h 04m
1 stop
$274United Airlines
Fri, Feb 20 - Wed, Feb 25
American Airlines Logo
1:35 pm - 8:14 pm
BUF
-
SAN
9h 39m
2 stops
American Airlines Logo
12:45 pm - 10:41 pm
SAN
-
BUF
6h 56m
1 stop
$295American Airlines
Sat, Feb 28 - Tue, Mar 10
Delta Logo
3:56 pm - 12:11 am
BUF
-
SAN
11h 15m
1 stop
Delta Logo
10:10 pm - 9:50 am
SAN
-
BUF
8h 40m
1 stop
$297Delta
Fri, Mar 20 - Mon, Mar 23
American Airlines Logo
1:35 pm - 8:14 pm
BUF
-
SAN
9h 39m
2 stops
American Airlines Logo
9:41 pm - 10:58 am
SAN
-
BUF
10h 17m
1 stop
$301American Airlines
Sat, Feb 28 - Tue, Mar 10
JetBlue Logo
9:54 am - 7:19 pm
BUF
-
SAN
12h 25m
1 stop
JetBlue Logo
9:05 pm - 9:04 am
SAN
-
BUF
8h 59m
1 stop
$302JetBlue
Thu, Mar 19 - Tue, Mar 24
JetBlue Logo
1:30 pm - 7:19 pm
BUF
-
SAN
8h 49m
1 stop
JetBlue Logo
9:05 pm - 9:04 am
SAN
-
BUF
8h 59m
1 stop
$303JetBlue
Wed, Mar 18 - Tue, Mar 24
United Airlines Logo
5:24 pm - 10:44 pm
BUF
-
SAN
8h 20m
1 stop
United Airlines Logo
11:05 am - 10:59 pm
SAN
-
BUF
8h 54m
2 stops
$304United Airlines
Fri, Feb 20 - Wed, Feb 25
American Airlines Logo
2:59 pm - 8:30 pm
BUF
-
SAN
8h 31m
1 stop
American Airlines Logo
6:15 am - 5:14 pm
SAN
-
BUF
7h 59m
1 stop
$313American Airlines
Thu, Apr 16 - Tue, Apr 21

Southwest flights from Buffalo to San Diego

Our best Southwest deals on Buffalo to San Diego flight tickets
Southwest
Mar 12
BUF12:05 pmBuffalo
9h 30m
1 stop
SAN6:35 pmSan Diego
Mar 19
SAN9:40 pmSan Diego
7h 10m
1 stop
BUF7:50 amBuffalo
$328
Southwest
May 16
BUF3:25 pmBuffalo
11h 00m
2 stops
SAN11:25 pmSan Diego
May 20
SAN8:30 amSan Diego
10h 10m
1 stop
BUF9:40 pmBuffalo
$333
Southwest
Mar 10
BUF12:15 pmBuffalo
9h 25m
2 stops
SAN6:40 pmSan Diego
Mar 16
SAN9:40 pmSan Diego
7h 35m
1 stop
BUF8:15 amBuffalo
$339

United Airlines flights from Buffalo to San Diego

Our best United Airlines deals on Buffalo to San Diego flight tickets
United Airlines
Feb 20
BUF6:07 amBuffalo
8h 44m
1 stop
SAN11:51 amSan Diego
Feb 25
SAN12:55 pmSan Diego
7h 04m
1 stop
BUF10:59 pmBuffalo
$274
United Airlines
Feb 20
BUF5:24 pmBuffalo
8h 20m
1 stop
SAN10:44 pmSan Diego
Feb 25
SAN11:05 amSan Diego
8h 54m
2 stops
BUF10:59 pmBuffalo
$304
United Airlines
Mar 6
BUF7:00 amBuffalo
7h 38m
1 stop
SAN11:38 amSan Diego
Mar 11
SAN10:15 pmSan Diego
8h 35m
1 stop
BUF9:50 amBuffalo
$325

momondo 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, momondo users made 832,500 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Buffalo to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sat 2/28

10:25 am-8:00 pm

1 stop12h 35m

San Diego

Tue 3/10

9:10 pm-9:35 am

1 stop9h 25m

$268

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Thu 2/26

10:25 am-8:00 pm

1 stop12h 35m

San Diego

Mon 3/2

9:10 pm-9:40 am

1 stop9h 30m

$269

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Fri 2/20

6:07 am-11:51 am

1 stop8h 44m

San Diego

Wed 2/25

12:55 pm-10:59 pm

1 stop7h 04m

$274

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sat 2/28

1:35 pm-8:14 pm

2 stops9h 39m

San Diego

Tue 3/10

12:45 pm-10:41 pm

1 stop6h 56m

$295

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Fri 3/20

3:56 pm-12:11 am

1 stop11h 15m

San Diego

Mon 3/23

10:10 pm-9:50 am

1 stop8h 40m

$297

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sat 2/28

1:35 pm-8:14 pm

2 stops9h 39m

San Diego

Tue 3/10

9:41 pm-10:58 am

1 stop10h 17m

$301

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Thu 3/19

9:54 am-7:19 pm

1 stop12h 25m

San Diego

Tue 3/24

9:05 pm-9:04 am

1 stop8h 59m

$302

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Wed 3/18

1:30 pm-7:19 pm

1 stop8h 49m

San Diego

Tue 3/24

9:05 pm-9:04 am

1 stop8h 59m

$303

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Fri 2/20

5:24 pm-10:44 pm

1 stop8h 20m

San Diego

Wed 2/25

11:05 am-10:59 pm

2 stops8h 54m

$304

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Thu 4/16

2:59 pm-8:30 pm

1 stop8h 31m

San Diego

Tue 4/21

6:15 am-5:14 pm

1 stop7h 59m

$313

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Diego from

How to get the cheapest flight ticket from Buffalo to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of October, then departing from Buffalo during the month September is also very affordable. Most momondo users find prices during this month for around $370.

How far in advance should I book a flight to San Diego?

You are more likely to see cheaper flights to San Diego from Buffalo when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $410 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Buffalo for as low as $347 on momondo.

Can stopping save me money on Buffalo to San Diego flights?

You could potentially save up to 25% on your flight if you consider stops on a Buffalo to San Diego flight.

How have Buffalo to San Diego flight prices changed over time?

As of January 2026, prices for Buffalo to San Diego flights are approximately 21% cheaper when compared to flights at the same time last year.

When to book flights from Buffalo to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Buffalo to San Diego according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Buffalo to San Diego (BUF to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buffalo to San Diego

Fastest flight time

7h 29m

Direct flights

None
The fastest flight from Buffalo to San Diego takes 7h 29m
There are no direct flights from Buffalo to San Diego. There are no popular flight routes from Buffalo to San Diego.
Search flight deals

  • How far is Buffalo to San Diego by plane?

    There are 2181.7 mi between Buffalo and San Diego. Typically, this will take 7h 29m by plane in normal conditions.

  • When did momondo last update prices for flights from Buffalo Airport to San Diego Airport?

    Prices for flights from Buffalo Airport to San Diego Airport are updated daily.

  • How many operators does momondo search for flights from Buffalo Airport to San Diego Airport?

  • How old do you have to be to fly from Buffalo Airport to San Diego Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Buffalo Airport to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The required travel and health documents for your San Diego Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Diego Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Buffalo to San Diego?

  • What is the most popular airline from Buffalo to San Diego?

Best airlines flying from Buffalo to San Diego

Compare and see reviews for airlines that fly from Buffalo to San Diego with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $99Free CancellationRating
5.7
3,056 reviews
Search Frontier flights
JetBluePriceFrom $172Free CancellationRating
7.2
2,891 reviews
Search JetBlue flights
DeltaPriceFrom $199Free CancellationRating
7.9
8,127 reviews
Search Delta flights
SouthwestPriceFrom $230Free CancellationRating
8.0
4,267 reviews
Search Southwest flights
American AirlinesPriceFrom $256Free CancellationRating
7.2
11,206 reviews
Search American Airlines flights
United AirlinesPriceFrom $296Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights

Traveling to a place near San Diego?

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

Why use momondo?

Why should I use momondo to find a flight deal from Buffalo to San Diego?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Diego from Buffalo.

Can I find flights from Buffalo to San Diego with flexible booking policies on momondo?

Flights from Buffalo to San Diego with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Buffalo to San Diego?

momondo helps you find the best flight between Buffalo and San Diego by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Buffalo to San Diego right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Buffalo to San Diego flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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