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Cheap flights from Buffalo to San Diego from $136

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 2/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
American Airlines Logo
4:25 pm - 9:59 pm
BUF
-
SAN
8h 34m1 stop
American Airlines Logo
6:20 am - 4:23 pm
SAN
-
BUF
7h 03m1 stop
$223American Airlines
Wed, Mar 11 - Wed, Mar 18
American Airlines Logo
12:58 pm - 8:41 pm
BUF
-
SAN
10h 43m2 stops
American Airlines Logo
8:25 am - 9:06 pm
SAN
-
BUF
9h 41m1 stop
$228American Airlines
Tue, Feb 3 - Tue, Feb 10
American Airlines Logo
11:23 am - 7:23 pm
BUF
-
SAN
11h 00m1 stop
American Airlines Logo
6:20 am - 4:23 pm
SAN
-
BUF
7h 03m1 stop
$232American Airlines
Wed, Mar 18 - Wed, Mar 25
American Airlines Logo
11:21 am - 6:31 pm
BUF
-
SAN
10h 10m2 stops
American Airlines Logo
10:50 am - 11:41 pm
SAN
-
BUF
9h 51m2 stops
$234American Airlines
Tue, Feb 3 - Tue, Feb 10
American Airlines Logo
12:58 pm - 8:41 pm
BUF
-
SAN
10h 43m2 stops
American Airlines Logo
10:50 am - 11:41 pm
SAN
-
BUF
9h 51m2 stops
$236American Airlines
Tue, Feb 3 - Tue, Feb 10
Southwest Logo
6:50 am - 11:35 am
BUF
-
SAN
7h 45m1 stop
Southwest Logo
7:35 pm - 7:50 am
SAN
-
BUF
9h 15m2 stops
$243Southwest
Wed, Mar 18 - Wed, Mar 25
American Airlines Logo
4:25 pm - 9:59 pm
BUF
-
SAN
8h 34m1 stop
American Airlines Logo
1:32 pm - 11:40 pm
SAN
-
BUF
7h 08m1 stop
$247American Airlines
Mon, Mar 2 - Wed, Mar 4
American Airlines Logo
11:15 am - 6:02 pm
BUF
-
SAN
9h 47m2 stops
American Airlines Logo
6:20 am - 4:23 pm
SAN
-
BUF
7h 03m1 stop
$252American Airlines
Tue, Mar 17 - Tue, Mar 24
American Airlines Logo
4:01 pm - 10:58 pm
BUF
-
SAN
9h 57m1 stop
American Airlines Logo
9:41 pm - 10:58 am
SAN
-
BUF
10h 17m1 stop
$258American Airlines
Wed, Feb 11 - Mon, Feb 23
American Airlines Logo
12:58 pm - 8:36 pm
BUF
-
SAN
10h 38m1 stop
American Airlines Logo
11:30 am - 10:55 pm
SAN
-
BUF
8h 25m1 stop
$260American Airlines
Tue, Feb 3 - Sun, Feb 8

Southwest flights from Buffalo to San Diego

Our best Southwest deals on Buffalo to San Diego flight tickets
Southwest
Mar 18
BUF6:50 amBuffalo
7h 45m
1 stop
SAN11:35 amSan Diego
Mar 25
SAN7:35 pmSan Diego
9h 15m
2 stops
BUF7:50 amBuffalo
$243
Southwest
Apr 8
BUF1:10 pmBuffalo
9h 25m
2 stops
SAN7:35 pmSan Diego
Apr 15
SAN7:40 pmSan Diego
9h 10m
2 stops
BUF7:50 amBuffalo
$263
Southwest
Mar 18
BUF1:20 pmBuffalo
8h 40m
1 stop
SAN7:00 pmSan Diego
Mar 23
SAN10:40 pmSan Diego
8h 30m
1 stop
BUF10:10 amBuffalo
$267

JetBlue flights from Buffalo to San Diego

Our best JetBlue deals on Buffalo to San Diego flight tickets
JetBlue
Mar 2
BUF10:25 amBuffalo
12h 35m
1 stop
SAN8:00 pmSan Diego
Mar 5
SAN9:10 pmSan Diego
9h 17m
1 stop
BUF9:27 amBuffalo
$269
JetBlue
Feb 1
BUF7:00 amBuffalo
10h 18m
1 stop
SAN2:18 pmSan Diego
Feb 4
SAN9:00 pmSan Diego
9h 02m
1 stop
BUF9:02 amBuffalo
$278
JetBlue
Feb 26
BUF8:00 amBuffalo
9h 23m
1 stop
SAN2:23 pmSan Diego
Mar 2
SAN9:10 pmSan Diego
9h 25m
1 stop
BUF9:35 amBuffalo
$303

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 8, 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

Wed 3/11

4:25 pm-9:59 pm

1 stop8h 34m

San Diego

Wed 3/18

6:20 am-4:23 pm

1 stop7h 03m

$223

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Tue 2/3

12:58 pm-8:41 pm

2 stops10h 43m

San Diego

Tue 2/10

8:25 am-9:06 pm

1 stop9h 41m

$228

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Wed 3/18

11:23 am-7:23 pm

1 stop11h 00m

San Diego

Wed 3/25

6:20 am-4:23 pm

1 stop7h 03m

$232

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Tue 2/3

11:21 am-6:31 pm

2 stops10h 10m

San Diego

Tue 2/10

10:50 am-11:41 pm

2 stops9h 51m

$234

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Tue 2/3

12:58 pm-8:41 pm

2 stops10h 43m

San Diego

Tue 2/10

10:50 am-11:41 pm

2 stops9h 51m

$236

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Wed 3/18

6:50 am-11:35 am

1 stop7h 45m

San Diego

Wed 3/25

7:35 pm-7:50 am

2 stops9h 15m

$243

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Mon 3/2

4:25 pm-9:59 pm

1 stop8h 34m

San Diego

Wed 3/4

1:32 pm-11:40 pm

1 stop7h 08m

$247

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Tue 3/17

11:15 am-6:02 pm

2 stops9h 47m

San Diego

Tue 3/24

6:20 am-4:23 pm

1 stop7h 03m

$252

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Wed 2/11

4:01 pm-10:58 pm

1 stop9h 57m

San Diego

Mon 2/23

9:41 pm-10:58 am

1 stop10h 17m

$258

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Tue 2/3

12:58 pm-8:36 pm

1 stop10h 38m

San Diego

Sun 2/8

11:30 am-10:55 pm

1 stop8h 25m

$260

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 $366.

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 $418 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 $346 on momondo.

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

You could potentially save up to 17% 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 23% 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

6h 44m

Direct flights

None
The fastest flight from Buffalo to San Diego takes 6h 44m
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 6h 44m 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
3,061 reviews
Search Frontier flights
SouthwestPriceFrom $230Free CancellationRating
8.0
4,250 reviews
Search Southwest flights
JetBluePriceFrom $256Free CancellationRating
7.2
2,892 reviews
Search JetBlue flights
American AirlinesPriceFrom $256Free CancellationRating
7.2
11,096 reviews
Search American Airlines flights
DeltaPriceFrom $296Free CancellationRating
7.9
8,031 reviews
Search Delta flights
United AirlinesPriceFrom $316Free CancellationRating
7.4
9,142 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
Borrego Springs
La Mesa
San Ysidro
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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