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Cheap flights from Buffalo to San Diego from $115

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 4/15. 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
1 adult, Economy, 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.
Southwest Logo
3:10 pm - 7:35 pm
BUF
-
SAN
7h 25m
1 stop
Southwest Logo
7:40 pm - 8:10 am
SAN
-
BUF
9h 30m
2 stops
$235Southwest
Wed, May 27 - Wed, Jun 3
Southwest Logo
5:00 pm - 10:35 pm
BUF
-
SAN
8h 35m
1 stop
Southwest Logo
10:40 pm - 10:15 am
SAN
-
BUF
8h 35m
1 stop
$251Southwest
Sat, May 2 - Wed, May 6
Southwest Logo
10:15 am - 5:45 pm
BUF
-
SAN
10h 30m
1 stop
Southwest Logo
6:20 am - 6:15 pm
SAN
-
BUF
8h 55m
1 stop
$252Southwest
Sat, May 23 - Tue, Jun 2
Southwest Logo
3:25 pm - 8:10 pm
BUF
-
SAN
7h 45m
1 stop
Southwest Logo
7:40 pm - 7:50 am
SAN
-
BUF
9h 10m
2 stops
$256Southwest
Sat, May 2 - Wed, May 6
Southwest Logo
4:00 pm - 10:25 pm
BUF
-
SAN
9h 25m
1 stop
Southwest Logo
6:20 am - 6:15 pm
SAN
-
BUF
8h 55m
1 stop
$260Southwest
Wed, May 20 - Tue, Jun 2
Southwest Logo
3:10 pm - 9:45 pm
BUF
-
SAN
9h 35m
2 stops
Southwest Logo
9:40 pm - 8:15 am
SAN
-
BUF
7h 35m
1 stop
$266Southwest
Wed, May 6 - Sat, May 16
American Airlines Logo
5:00 am - 11:17 am
BUF
-
SAN
9h 17m
1 stop
American Airlines Logo
10:30 pm - 10:18 am
SAN
-
BUF
8h 48m
1 stop
$274American Airlines
Wed, May 6 - Fri, May 15
American Airlines Logo
10:44 am - 6:46 pm
BUF
-
SAN
11h 02m
1 stop
American Airlines Logo
10:30 pm - 10:18 am
SAN
-
BUF
8h 48m
1 stop
$276American Airlines
Tue, May 5 - Fri, May 15
United Airlines Logo
8:37 am - 12:47 pm
BUF
-
SAN
7h 10m
1 stop
United Airlines Logo
8:45 pm - 9:41 am
SAN
-
BUF
9h 56m
2 stops
$279United Airlines
Tue, May 5 - Fri, May 15
Southwest Logo
1:10 pm - 6:55 pm
BUF
-
SAN
8h 45m
1 stop
Southwest Logo
3:40 pm - 8:05 am
SAN
-
BUF
13h 25m
1 stop
$280Southwest
Wed, May 6 - Fri, May 15

American Airlines flights from Buffalo to San Diego

Our best American Airlines deals on Buffalo to San Diego flight tickets
American Airlines
May 6
BUF5:00 amBuffalo
9h 17m
1 stop
SAN11:17 amSan Diego
May 15
SAN10:30 pmSan Diego
8h 48m
1 stop
BUF10:18 amBuffalo
$274
American Airlines
May 5
BUF10:44 amBuffalo
11h 02m
1 stop
SAN6:46 pmSan Diego
May 15
SAN10:30 pmSan Diego
8h 48m
1 stop
BUF10:18 amBuffalo
$276
American Airlines
May 5
BUF1:34 pmBuffalo
9h 59m
2 stops
SAN8:33 pmSan Diego
May 15
SAN10:30 pmSan Diego
8h 48m
1 stop
BUF10:18 amBuffalo
$282

Delta flights from Buffalo to San Diego

Our best Delta deals on Buffalo to San Diego flight tickets
Delta
May 15
BUF4:55 pmBuffalo
9h 32m
1 stop
SAN11:27 pmSan Diego
May 18
SAN2:30 pmSan Diego
6h 29m
1 stop
BUF11:59 pmBuffalo
$308
Delta
May 24
BUF5:11 pmBuffalo
9h 16m
1 stop
SAN11:27 pmSan Diego
Jun 5
SAN2:30 pmSan Diego
6h 29m
1 stop
BUF11:59 pmBuffalo
$349
Delta
May 19
BUF6:15 amBuffalo
8h 01m
1 stop
SAN11:16 amSan Diego
Jun 4
SAN12:41 pmSan Diego
8h 18m
1 stop
BUF11:59 pmBuffalo
$374

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 March 24, 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

Cheapest round-trip
Quickest round-trip

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Wed 5/27

3:10 pm-7:35 pm

1 stop7h 25m

San Diego

Wed 6/3

7:40 pm-8:10 am

2 stops9h 30m

$235

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sat 5/2

5:00 pm-10:35 pm

1 stop8h 35m

San Diego

Wed 5/6

10:40 pm-10:15 am

1 stop8h 35m

$251

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sat 5/23

10:15 am-5:45 pm

1 stop10h 30m

San Diego

Tue 6/2

6:20 am-6:15 pm

1 stop8h 55m

$252

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sat 5/2

3:25 pm-8:10 pm

1 stop7h 45m

San Diego

Wed 5/6

7:40 pm-7:50 am

2 stops9h 10m

$256

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Wed 5/20

4:00 pm-10:25 pm

1 stop9h 25m

San Diego

Tue 6/2

6:20 am-6:15 pm

1 stop8h 55m

$260

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Wed 5/6

3:10 pm-9:45 pm

2 stops9h 35m

San Diego

Sat 5/16

9:40 pm-8:15 am

1 stop7h 35m

$266

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Wed 5/6

5:00 am-11:17 am

1 stop9h 17m

San Diego

Fri 5/15

10:30 pm-10:18 am

1 stop8h 48m

$274

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Tue 5/5

10:44 am-6:46 pm

1 stop11h 02m

San Diego

Fri 5/15

10:30 pm-10:18 am

1 stop8h 48m

$276

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Tue 5/5

8:37 am-12:47 pm

1 stop7h 10m

San Diego

Fri 5/15

8:45 pm-9:41 am

2 stops9h 56m

$279

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Wed 5/6

1:10 pm-6:55 pm

1 stop8h 45m

San Diego

Fri 5/15

3:40 pm-8:05 am

1 stop13h 25m

$280

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 November is also very affordable. Most momondo users find prices during this month for around $368.

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 $401 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 $266 on momondo.

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

You could potentially save up to 29% 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 March 2026, prices for Buffalo to San Diego flights are approximately 7% 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
3,017 reviews
Search Frontier flights
JetBluePriceFrom $172Free CancellationRating
7.2
2,905 reviews
Search JetBlue flights
DeltaPriceFrom $218Free CancellationRating
7.9
8,324 reviews
Search Delta flights
SouthwestPriceFrom $230Free CancellationRating
8.0
4,331 reviews
Search Southwest flights
American AirlinesPriceFrom $250Free CancellationRating
7.1
11,491 reviews
Search American Airlines flights
United AirlinesPriceFrom $296Free CancellationRating
7.4
9,471 reviews
Search United Airlines flights

  • Southwest Flights From Buffalo to San Diego

    Southwest flight deals from Buffalo to San Diego start from $230 round-trip. Over the 3 Southwest flights for this route in a normal week, average airfare is usually $417 round-trip - but some users have found much cheaper deals with momondo.

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
National City
Poway
San Ysidro
Imperial Beach
La Mesa
Borrego Springs
Alpine
Santee
Lemon Grove

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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