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Cheap flights from Buffalo to San Diego from $108

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 5/5. 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.
United Airlines Logo
8:37 am - 12:47 pm
BUF
-
SAN
7h 10m
1 stop
United Airlines Logo
10:40 pm - 9:41 am
SAN
-
BUF
8h 01m
1 stop
$291United Airlines
Sat, May 9 - Sat, May 16
Southwest Logo
12:30 pm - 8:10 pm
BUF
-
SAN
10h 40m
2 stops
Southwest Logo
9:40 pm - 8:15 am
SAN
-
BUF
7h 35m
1 stop
$296Southwest
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
$312American 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
1:31 pm - 11:50 pm
SAN
-
BUF
7h 19m
1 stop
$315American Airlines
Sat, May 9 - Sat, May 16
American Airlines Logo
3:04 pm - 9:55 pm
BUF
-
SAN
9h 51m
2 stops
American Airlines Logo
1:31 pm - 11:50 pm
SAN
-
BUF
7h 19m
1 stop
$316American Airlines
Sat, May 9 - Sat, May 16
United Airlines Logo
5:55 pm - 10:39 pm
BUF
-
SAN
7h 44m
1 stop
United Airlines Logo
9:45 pm - 9:53 am
SAN
-
BUF
9h 08m
1 stop
$320United Airlines
Sat, May 2 - Sun, May 10
Delta Logo
12:18 pm - 7:23 pm
BUF
-
SAN
10h 05m
1 stop
Delta Logo
8:00 am - 6:44 pm
SAN
-
BUF
7h 44m
1 stop
$323Delta
Tue, May 19 - Tue, May 26
United Airlines Logo
11:02 am - 3:33 pm
BUF
-
SAN
7h 31m
1 stop
United Airlines Logo
10:55 am - 11:05 pm
SAN
-
BUF
9h 10m
2 stops
$325United Airlines
Sat, May 2 - Thu, May 7
Southwest Logo
3:25 pm - 11:25 pm
BUF
-
SAN
11h 00m
2 stops
Southwest Logo
7:00 pm - 7:50 am
SAN
-
BUF
9h 50m
2 stops
$330Southwest
Sat, May 2 - Thu, May 7
Southwest Logo
7:40 am - 7:20 pm
BUF
-
SAN
14h 40m
1 stop
Southwest Logo
6:50 am - 6:15 pm
SAN
-
BUF
8h 25m
2 stops
$331Southwest
Wed, May 20 - Wed, May 27

United Airlines flights from Buffalo to San Diego

Our best United Airlines deals on Buffalo to San Diego flight tickets
United Airlines
May 9
BUF8:37 amBuffalo
7h 10m
1 stop
SAN12:47 pmSan Diego
May 16
SAN10:40 pmSan Diego
8h 01m
1 stop
BUF9:41 amBuffalo
$291
United Airlines
May 2
BUF7:00 amBuffalo
7h 25m
1 stop
SAN11:25 amSan Diego
May 10
SAN8:45 pmSan Diego
9h 55m
2 stops
BUF9:40 amBuffalo
$325
United Airlines
May 3
BUF7:00 amBuffalo
7h 25m
1 stop
SAN11:25 amSan Diego
May 8
SAN10:55 amSan Diego
9h 10m
2 stops
BUF11:05 pmBuffalo
$391

Southwest flights from Buffalo to San Diego

Our best Southwest deals on Buffalo to San Diego flight tickets
Southwest
May 9
BUF12:30 pmBuffalo
10h 40m
2 stops
SAN8:10 pmSan Diego
May 16
SAN9:40 pmSan Diego
7h 35m
1 stop
BUF8:15 amBuffalo
$296
Southwest
May 2
BUF4:55 pmBuffalo
7h 05m
1 stop
SAN9:00 pmSan Diego
May 7
SAN1:05 pmSan Diego
7h 15m
1 stop
BUF11:20 pmBuffalo
$320
Southwest
May 2
BUF3:25 pmBuffalo
11h 00m
2 stops
SAN11:25 pmSan Diego
May 7
SAN7:00 pmSan Diego
9h 50m
2 stops
BUF7:50 amBuffalo
$330

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 6, 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

Sat 5/9

8:37 am-12:47 pm

1 stop7h 10m

San Diego

Sat 5/16

10:40 pm-9:41 am

1 stop8h 01m

$291

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sat 5/9

12:30 pm-8:10 pm

2 stops10h 40m

San Diego

Sat 5/16

9:40 pm-8:15 am

1 stop7h 35m

$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

$312

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sat 5/9

1:45 pm-8:33 pm

2 stops9h 48m

San Diego

Sat 5/16

1:31 pm-11:50 pm

1 stop7h 19m

$315

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sat 5/9

3:04 pm-9:55 pm

2 stops9h 51m

San Diego

Sat 5/16

1:31 pm-11:50 pm

1 stop7h 19m

$316

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sat 5/2

5:55 pm-10:39 pm

1 stop7h 44m

San Diego

Sun 5/10

9:45 pm-9:53 am

1 stop9h 08m

$320

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Tue 5/19

12:18 pm-7:23 pm

1 stop10h 05m

San Diego

Tue 5/26

8:00 am-6:44 pm

1 stop7h 44m

$323

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sat 5/2

11:02 am-3:33 pm

1 stop7h 31m

San Diego

Thu 5/7

10:55 am-11:05 pm

2 stops9h 10m

$325

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sat 5/2

3:25 pm-11:25 pm

2 stops11h 00m

San Diego

Thu 5/7

7:00 pm-7:50 am

2 stops9h 50m

$330

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Wed 5/20

7:40 am-7:20 pm

1 stop14h 40m

San Diego

Wed 5/27

6:50 am-6:15 pm

2 stops8h 25m

$331

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 1% 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

7h 15m

Direct flights

None
The fastest flight from Buffalo to San Diego takes 7h 15m
There are no direct flights from Buffalo to San Diego. There are no popular flight routes from Buffalo to San Diego.
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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 15m 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
3,001 reviews
Search Frontier flights
JetBluePriceFrom $172Free CancellationRating
7.2
2,915 reviews
Search JetBlue flights
DeltaPriceFrom $222Free CancellationRating
7.9
8,386 reviews
Search Delta flights
SouthwestPriceFrom $230Free CancellationRating
8.0
4,340 reviews
Search Southwest flights
American AirlinesPriceFrom $250Free CancellationRating
7.1
11,553 reviews
Search American Airlines flights
United AirlinesPriceFrom $296Free CancellationRating
7.4
9,548 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 2 Southwest flights for this route in a normal week, average airfare is usually $414 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
Lemon Grove
Borrego Springs
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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