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Cheap flights from Buffalo to San Diego from $124

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 6/15. 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
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.
United Airlines Logo
11:02 am - 3:33 pm
BUF
-
SAN
7h 31m
1 stop
United Airlines Logo
10:40 pm - 9:42 am
SAN
-
BUF
8h 02m
1 stop
$291United Airlines
Sat, May 9 - Sat, May 16
United Airlines Logo
11:02 am - 5:19 pm
BUF
-
SAN
9h 17m
2 stops
United Airlines Logo
10:40 pm - 9:42 am
SAN
-
BUF
8h 02m
1 stop
$296United Airlines
Sat, May 9 - Sat, May 16
American Airlines Logo
1:45 pm - 8:33 pm
BUF
-
SAN
9h 48m
2 stops
American Airlines Logo
12:03 pm - 11:50 pm
SAN
-
BUF
8h 47m
1 stop
$305American Airlines
Sat, May 9 - Sat, May 16
American Airlines Logo
1:45 pm - 8:33 pm
BUF
-
SAN
9h 48m
2 stops
American Airlines Logo
12:03 pm - 11:50 pm
SAN
-
BUF
8h 47m
1 stop
$307American Airlines
Sat, May 9 - Sat, May 16
American Airlines Logo
1:45 pm - 7:00 pm
BUF
-
SAN
8h 15m
1 stop
American Airlines Logo
1:31 pm - 11:50 pm
SAN
-
BUF
7h 19m
1 stop
$320American Airlines
Sat, May 9 - Sun, May 10
American Airlines Logo
6:00 am - 11:13 am
BUF
-
SAN
8h 13m
1 stop
American Airlines Logo
10:30 pm - 10:18 am
SAN
-
BUF
8h 48m
1 stop
$321American Airlines
Wed, May 6 - Fri, May 8
United Airlines Logo
7:00 am - 11:25 am
BUF
-
SAN
7h 25m
1 stop
United Airlines Logo
8:45 pm - 9:40 am
SAN
-
BUF
9h 55m
2 stops
$325United Airlines
Sat, May 9 - Sun, May 10
Southwest Logo
12:35 pm - 5:10 pm
BUF
-
SAN
7h 35m
1 stop
Southwest Logo
7:10 am - 5:45 pm
SAN
-
BUF
7h 35m
1 stop
$349Southwest
Wed, Sep 16 - Tue, Sep 22
American Airlines Logo
10:38 am - 6:35 pm
BUF
-
SAN
10h 57m
1 stop
American Airlines Logo
9:55 pm - 10:19 am
SAN
-
BUF
9h 24m
1 stop
$351American Airlines
Sat, May 30 - Sat, Jun 6
Southwest Logo
4:00 pm - 10:25 pm
BUF
-
SAN
9h 25m
1 stop
Southwest Logo
8:10 pm - 7:55 am
SAN
-
BUF
8h 45m
2 stops
$354Southwest
Tue, Jun 2 - Sat, Jun 6

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Southwest flights from Buffalo to San Diego

Our best Southwest deals on Buffalo to San Diego flight tickets
Southwest
Sep 16
BUF12:35 pmBuffalo
7h 35m
1 stop
SAN5:10 pmSan Diego
Sep 22
SAN7:10 amSan Diego
7h 35m
1 stop
BUF5:45 pmBuffalo
$349
Southwest
Jun 2
BUF4:00 pmBuffalo
9h 25m
1 stop
SAN10:25 pmSan Diego
Jun 6
SAN8:10 pmSan Diego
8h 45m
2 stops
BUF7:55 amBuffalo
$354
Southwest
Jul 8
BUF9:00 amBuffalo
13h 35m
2 stops
SAN7:35 pmSan Diego
Jul 22
SAN7:50 amSan Diego
9h 05m
2 stops
BUF7:55 pmBuffalo
$359

American Airlines flights from Buffalo to San Diego

Our best American Airlines deals on Buffalo to San Diego flight tickets
American Airlines
May 9
BUF1:45 pmBuffalo
9h 48m
2 stops
SAN8:33 pmSan Diego
May 16
SAN12:03 pmSan Diego
8h 47m
1 stop
BUF11:50 pmBuffalo
$305
American Airlines
May 9
BUF1:45 pmBuffalo
9h 48m
2 stops
SAN8:33 pmSan Diego
May 16
SAN12:03 pmSan Diego
8h 47m
1 stop
BUF11:50 pmBuffalo
$307
American Airlines
May 9
BUF1:45 pmBuffalo
8h 15m
1 stop
SAN7:00 pmSan Diego
May 10
SAN1:31 pmSan Diego
7h 19m
1 stop
BUF11:50 pmBuffalo
$320

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 April 18, 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

Sat 5/9

11:02 am-3:33 pm

1 stop7h 31m

San Diego

Sat 5/16

10:40 pm-9:42 am

1 stop8h 02m

$291

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sat 5/9

11:02 am-5:19 pm

2 stops9h 17m

San Diego

Sat 5/16

10:40 pm-9:42 am

1 stop8h 02m

$296

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sat 5/9

1:45 pm-8:33 pm

2 stops9h 48m

San Diego

Sat 5/16

12:03 pm-11:50 pm

1 stop8h 47m

$305

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sat 5/9

1:45 pm-8:33 pm

2 stops9h 48m

San Diego

Sat 5/16

12:03 pm-11:50 pm

1 stop8h 47m

$307

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sat 5/9

1:45 pm-7:00 pm

1 stop8h 15m

San Diego

Sun 5/10

1:31 pm-11:50 pm

1 stop7h 19m

$320

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Wed 5/6

6:00 am-11:13 am

1 stop8h 13m

San Diego

Fri 5/8

10:30 pm-10:18 am

1 stop8h 48m

$321

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sat 5/9

7:00 am-11:25 am

1 stop7h 25m

San Diego

Sun 5/10

8:45 pm-9:40 am

2 stops9h 55m

$325
Quickest round-trip

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Wed 9/16

12:35 pm-5:10 pm

1 stop7h 35m

San Diego

Tue 9/22

7:10 am-5:45 pm

1 stop7h 35m

$349

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sat 5/30

10:38 am-6:35 pm

1 stop10h 57m

San Diego

Sat 6/6

9:55 pm-10:19 am

1 stop9h 24m

$351

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Tue 6/2

4:00 pm-10:25 pm

1 stop9h 25m

San Diego

Sat 6/6

8:10 pm-7:55 am

2 stops8h 45m

$354

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 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 $358.

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 $398 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 $251 on momondo.

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

You could potentially save up to 23% 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 April 2026, prices for Buffalo to San Diego flights are approximately 0% 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 10m

Direct flights

None
The fastest flight from Buffalo to San Diego takes 7h 10m
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 7h 10m 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
2,987 reviews
Search Frontier flights
JetBluePriceFrom $172Free CancellationRating
7.2
2,946 reviews
Search JetBlue flights
DeltaPriceFrom $222Free CancellationRating
7.9
8,422 reviews
Search Delta flights
SouthwestPriceFrom $230Free CancellationRating
8.0
4,328 reviews
Search Southwest flights
American AirlinesPriceFrom $250Free CancellationRating
7.1
11,617 reviews
Search American Airlines flights
United AirlinesPriceFrom $296Free CancellationRating
7.4
9,605 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
National City
Poway
San Ysidro
La Mesa
Imperial Beach
Borrego Springs
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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