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Cheap flights from Buffalo to San Diego from $99

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 8/13. 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

Discover deals from 900+ travel sites with momondo.

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
4:50 pm - 11:55 pm
BUF
-
SAN
10h 05m
1 stop
American Airlines Logo
10:46 pm - 11:39 am
SAN
-
BUF
9h 53m
1 stop
$197American Airlines
Thu, Sep 10 - Mon, Sep 21
Southwest Logo
3:30 pm - 8:30 pm
BUF
-
SAN
8h 00m
1 stop
Southwest Logo
10:40 pm - 10:25 am
SAN
-
BUF
8h 45m
1 stop
$198Southwest
Sat, Sep 26 - Wed, Sep 30
American Airlines Logo
4:50 pm - 11:55 pm
BUF
-
SAN
10h 05m
1 stop
American Airlines Logo
10:46 pm - 11:39 am
SAN
-
BUF
9h 53m
1 stop
$199American Airlines
Thu, Sep 10 - Mon, Sep 21
Southwest Logo
7:10 pm - 10:55 pm
BUF
-
SAN
6h 45m
1 stop
Southwest Logo
7:10 am - 9:05 pm
SAN
-
BUF
10h 55m
1 stop
$204Southwest
Mon, Aug 24 - Tue, Sep 1
Southwest Logo
9:40 am - 6:10 pm
BUF
-
SAN
11h 30m
2 stops
Southwest Logo
10:40 pm - 12:30 pm
SAN
-
BUF
10h 50m
1 stop
$209Southwest
Thu, Sep 10 - Mon, Sep 21
Southwest Logo
6:00 am - 12:15 pm
BUF
-
SAN
9h 15m
2 stops
Southwest Logo
10:40 pm - 11:10 am
SAN
-
BUF
9h 30m
2 stops
$220Southwest
Tue, Sep 1 - Thu, Sep 10
American Airlines Logo
6:09 pm - 11:47 pm
BUF
-
SAN
8h 38m
1 stop
American Airlines Logo
10:30 pm - 10:41 am
SAN
-
BUF
9h 11m
1 stop
$223American Airlines
Fri, Aug 28 - Sat, Sep 5
American Airlines Logo
6:50 am - 12:48 pm
BUF
-
SAN
8h 58m
1 stop
American Airlines Logo
9:36 pm - 10:18 am
SAN
-
BUF
9h 42m
1 stop
$229American Airlines
Tue, Aug 18 - Sat, Aug 22
American Airlines Logo
6:09 pm - 11:47 pm
BUF
-
SAN
8h 38m
1 stop
American Airlines Logo
6:15 am - 5:04 pm
SAN
-
BUF
7h 49m
1 stop
$230American Airlines
Thu, Aug 6 - Thu, Aug 13
American Airlines Logo
6:09 pm - 11:47 pm
BUF
-
SAN
8h 38m
1 stop
American Airlines Logo
9:36 pm - 10:18 am
SAN
-
BUF
9h 42m
1 stop
$236American Airlines
Thu, Aug 6 - Tue, Aug 18

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Southwest flights from Buffalo to San Diego

Our best Southwest deals on Buffalo to San Diego flight tickets
Southwest
Sep 26
BUF3:30 pmBuffalo
8h 00m
1 stop
SAN8:30 pmSan Diego
Sep 30
SAN10:40 pmSan Diego
8h 45m
1 stop
BUF10:25 amBuffalo
$198
Southwest
Aug 24
BUF7:10 pmBuffalo
6h 45m
1 stop
SAN10:55 pmSan Diego
Sep 1
SAN7:10 amSan Diego
10h 55m
1 stop
BUF9:05 pmBuffalo
$204
Southwest
Sep 10
BUF9:40 amBuffalo
11h 30m
2 stops
SAN6:10 pmSan Diego
Sep 21
SAN10:40 pmSan Diego
10h 50m
1 stop
BUF12:30 pmBuffalo
$209

American Airlines flights from Buffalo to San Diego

Our best American Airlines deals on Buffalo to San Diego flight tickets
American Airlines
Sep 10
BUF4:50 pmBuffalo
10h 05m
1 stop
SAN11:55 pmSan Diego
Sep 21
SAN10:46 pmSan Diego
9h 53m
1 stop
BUF11:39 amBuffalo
$197
American Airlines
Sep 10
BUF4:50 pmBuffalo
10h 05m
1 stop
SAN11:55 pmSan Diego
Sep 21
SAN10:46 pmSan Diego
9h 53m
1 stop
BUF11:39 amBuffalo
$199
American Airlines
Aug 28
BUF6:09 pmBuffalo
8h 38m
1 stop
SAN11:47 pmSan Diego
Sep 5
SAN10:30 pmSan Diego
9h 11m
1 stop
BUF10:41 amBuffalo
$223

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 July 9, 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

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Thu 9/10

4:50 pm-11:55 pm

1 stop10h 05m

San Diego

Mon 9/21

10:46 pm-11:39 am

1 stop9h 53m

$197

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sat 9/26

3:30 pm-8:30 pm

1 stop8h 00m

San Diego

Wed 9/30

10:40 pm-10:25 am

1 stop8h 45m

$198

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Thu 9/10

4:50 pm-11:55 pm

1 stop10h 05m

San Diego

Mon 9/21

10:46 pm-11:39 am

1 stop9h 53m

$199

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Mon 8/24

7:10 pm-10:55 pm

1 stop6h 45m

San Diego

Tue 9/1

7:10 am-9:05 pm

1 stop10h 55m

$204

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Thu 9/10

9:40 am-6:10 pm

2 stops11h 30m

San Diego

Mon 9/21

10:40 pm-12:30 pm

1 stop10h 50m

$209

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Tue 9/1

6:00 am-12:15 pm

2 stops9h 15m

San Diego

Thu 9/10

10:40 pm-11:10 am

2 stops9h 30m

$220

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Fri 8/28

6:09 pm-11:47 pm

1 stop8h 38m

San Diego

Sat 9/5

10:30 pm-10:41 am

1 stop9h 11m

$223

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Tue 8/18

6:50 am-12:48 pm

1 stop8h 58m

San Diego

Sat 8/22

9:36 pm-10:18 am

1 stop9h 42m

$229
Quickest round-trip

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Thu 8/6

6:09 pm-11:47 pm

1 stop8h 38m

San Diego

Thu 8/13

6:15 am-5:04 pm

1 stop7h 49m

$230

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Thu 8/6

6:09 pm-11:47 pm

1 stop8h 38m

San Diego

Tue 8/18

9:36 pm-10:18 am

1 stop9h 42m

$236

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 typical price of a round-trip flight between Buffalo and San Diego?

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 April is also very affordable. Most momondo users find prices during this month for around $370.

What is the cheapest Buffalo to San Diego flight route?

Fly from Buffalo to San Diego for the best Buffalo - San Diego flight prices

How far in advance should I book a flight from Buffalo 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 $404 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 $298 on momondo.

What cabin class options are available on Buffalo to San Diego flights?

There is only 1 cabin class available to choose from on Buffalo to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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 July 2026, prices for Buffalo to San Diego flights are approximately 13% 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 57m

Direct flights

None
The fastest flight from Buffalo to San Diego takes 6h 57m
There are no direct flights from Buffalo to San Diego. There are no popular flight routes from Buffalo to San Diego.
Search flight deals

Frequently asked questions about flying from Buffalo to San Diego

  • How far is Buffalo to San Diego by plane?

    There are 2181.7 mi between Buffalo and San Diego. Typically, this will take 6h 57m 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
JetBluePriceFrom $172Free CancellationRating
7.1
3,011 reviews
Search JetBlue flights
DeltaPriceFrom $222Free CancellationRating
7.8
8,454 reviews
Search Delta flights
American AirlinesPriceFrom $250Free CancellationRating
7.1
11,792 reviews
Search American Airlines flights
SouthwestPriceFrom $267Free CancellationRating
7.9
4,248 reviews
Search Southwest flights
United AirlinesPriceFrom $296Free CancellationRating
7.4
9,958 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
Chula Vista
Coronado
El Cajon
Julian
National City
La Mesa
Poway
San Ysidro
Imperial Beach
Borrego Springs
Santee
Lemon Grove
Alpine

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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