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Cheap flights from Buffalo to San Diego from $123

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 1/19. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
7:00 am - 2:18 pm
BUF
-
SAN
10h 18m1 stop
JetBlue Logo
9:00 pm - 9:02 am
SAN
-
BUF
9h 02m1 stop
$249JetBlue
Sun, Jan 18 - Sun, Jan 25
JetBlue Logo
10:21 am - 7:47 pm
BUF
-
SAN
12h 26m1 stop
JetBlue Logo
9:00 pm - 9:28 am
SAN
-
BUF
9h 28m1 stop
$269JetBlue
Mon, Mar 2 - Wed, Mar 4
Delta Logo
3:56 pm - 12:11 am
BUF
-
SAN
11h 15m1 stop
Delta Logo
10:10 pm - 8:16 am
SAN
-
BUF
7h 06m1 stop
$297Delta
Tue, Apr 7 - Thu, Apr 16
American Airlines Logo
12:58 pm - 8:36 pm
BUF
-
SAN
10h 38m1 stop
American Airlines Logo
8:25 am - 9:16 pm
SAN
-
BUF
9h 51m2 stops
$302American Airlines
Sun, Jan 18 - Sat, Jan 31
American Airlines Logo
12:58 pm - 9:58 pm
BUF
-
SAN
12h 00m2 stops
American Airlines Logo
10:09 am - 9:06 pm
SAN
-
BUF
7h 57m2 stops
$307American Airlines
Sun, Jan 18 - Sat, Jan 31
American Airlines Logo
4:01 pm - 10:58 pm
BUF
-
SAN
9h 57m1 stop
American Airlines Logo
10:09 am - 9:06 pm
SAN
-
BUF
7h 57m2 stops
$313American Airlines
Mon, Feb 2 - Thu, Feb 5
American Airlines Logo
12:58 pm - 8:36 pm
BUF
-
SAN
10h 38m1 stop
American Airlines Logo
9:51 pm - 10:59 am
SAN
-
BUF
10h 08m1 stop
$317American Airlines
Wed, Feb 11 - Sun, Feb 22
Delta Logo
8:00 am - 7:39 pm
BUF
-
SAN
14h 39m2 stops
Delta Logo
10:15 pm - 11:11 am
SAN
-
BUF
9h 56m1 stop
$320Delta
Sun, Jan 18 - Sun, Jan 25
United Airlines Logo
11:00 am - 5:28 pm
BUF
-
SAN
9h 28m2 stops
United Airlines Logo
9:00 am - 8:29 pm
SAN
-
BUF
8h 29m2 stops
$321United Airlines
Wed, Feb 4 - Wed, Feb 11
Southwest Logo
3:45 pm - 10:20 pm
BUF
-
SAN
9h 35m2 stops
Southwest Logo
7:35 pm - 8:05 am
SAN
-
BUF
9h 30m2 stops
$327Southwest
Wed, Feb 11 - Sun, Feb 15

American Airlines flights from Buffalo to San Diego

Our best American Airlines deals on Buffalo to San Diego flight tickets
American Airlines
Jan 18
BUF12:58 pmBuffalo
10h 38m
1 stop
SAN8:36 pmSan Diego
Jan 31
SAN8:25 amSan Diego
9h 51m
2 stops
BUF9:16 pmBuffalo
$302
Find similar
American Airlines
Jan 18
BUF12:58 pmBuffalo
12h 00m
2 stops
SAN9:58 pmSan Diego
Jan 31
SAN10:09 amSan Diego
7h 57m
2 stops
BUF9:06 pmBuffalo
$307
Find similar
American Airlines
Feb 2
BUF4:01 pmBuffalo
9h 57m
1 stop
SAN10:58 pmSan Diego
Feb 5
SAN10:09 amSan Diego
7h 57m
2 stops
BUF9:06 pmBuffalo
$313
Find similar

United Airlines flights from Buffalo to San Diego

Our best United Airlines deals on Buffalo to San Diego flight tickets
United Airlines
Feb 4
BUF11:00 amBuffalo
9h 28m
2 stops
SAN5:28 pmSan Diego
Feb 11
SAN9:00 amSan Diego
8h 29m
2 stops
BUF8:29 pmBuffalo
$321
Find similar
United Airlines
Mar 5
BUF8:17 amBuffalo
14h 31m
2 stops
SAN7:48 pmSan Diego
Mar 9
SAN6:15 amSan Diego
13h 55m
2 stops
BUF11:10 pmBuffalo
$407
Find similar
United Airlines
Jan 6
BUF2:49 pmBuffalo
11h 53m
2 stops
SAN11:42 pmSan Diego
Jan 10
SAN10:52 amSan Diego
6h 37m
1 stop
BUF8:29 pmBuffalo
$420
Find similar

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 December 23, 2025.
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

Sun 1/18

7:00 am-2:18 pm

1 stop10h 18m

San Diego

Sun 1/25

9:00 pm-9:02 am

1 stop9h 02m

$249

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Mon 3/2

10:21 am-7:47 pm

1 stop12h 26m

San Diego

Wed 3/4

9:00 pm-9:28 am

1 stop9h 28m

$269

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Tue 4/7

3:56 pm-12:11 am

1 stop11h 15m

San Diego

Thu 4/16

10:10 pm-8:16 am

1 stop7h 06m

$297

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sun 1/18

12:58 pm-8:36 pm

1 stop10h 38m

San Diego

Sat 1/31

8:25 am-9:16 pm

2 stops9h 51m

$302

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sun 1/18

12:58 pm-9:58 pm

2 stops12h 00m

San Diego

Sat 1/31

10:09 am-9:06 pm

2 stops7h 57m

$307

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Mon 2/2

4:01 pm-10:58 pm

1 stop9h 57m

San Diego

Thu 2/5

10:09 am-9:06 pm

2 stops7h 57m

$313

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Wed 2/11

12:58 pm-8:36 pm

1 stop10h 38m

San Diego

Sun 2/22

9:51 pm-10:59 am

1 stop10h 08m

$317

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sun 1/18

8:00 am-7:39 pm

2 stops14h 39m

San Diego

Sun 1/25

10:15 pm-11:11 am

1 stop9h 56m

$320

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Wed 2/4

11:00 am-5:28 pm

2 stops9h 28m

San Diego

Wed 2/11

9:00 am-8:29 pm

2 stops8h 29m

$321

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Wed 2/11

3:45 pm-10:20 pm

2 stops9h 35m

San Diego

Sun 2/15

7:35 pm-8:05 am

2 stops9h 30m

$327

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.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Buffalo to San Diego is on a Wednesday. Travelers who choose to depart for San Diego on a Wednesday will often find tickets for as low as $397. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $551. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is in the evening when flights can be purchased for as low as $330. Flights in the morning are often more expensive with an average ticket price of $457.

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 $434 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 10% 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 December 2025, prices for Buffalo to San Diego flights are approximately 25% more expensive 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 35m

Direct flights

None
The fastest flight from Buffalo to San Diego takes 7h 35m
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 35m 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
5.8
3,076 reviews
Search Frontier flights
SouthwestPriceFrom $230Free CancellationRating
8.0
4,253 reviews
Search Southwest flights
JetBluePriceFrom $256Free CancellationRating
7.2
2,896 reviews
Search JetBlue flights
American AirlinesPriceFrom $256Free CancellationRating
7.2
11,053 reviews
Search American Airlines flights
DeltaPriceFrom $296Free CancellationRating
7.9
8,014 reviews
Search Delta flights
United AirlinesPriceFrom $316Free CancellationRating
7.4
9,103 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
Borrego Springs
Imperial Beach
La Mesa
San Ysidro
Lemon Grove
Alpine
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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Thu 1/22
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