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Cheap flights from Buffalo to San Diego from $126

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 10/4. 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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Find the cheapest flights from Buffalo to San Diego (BUF-SAN)

Cheap round-trip flights

Frontier Logo
4:57 pm - 11:53 pmBUF-SAN
9h 56m1 stop
Frontier Logo
6:35 am - 4:03 pmSAN-BUF
6h 28m1 stop
$209Frontier
Find Deal
Fri, Sep 19 - Mon, Sep 22
Frontier Logo
4:57 pm - 11:09 amBUF-SAN
21h 12m1 stop
Frontier Logo
7:15 am - 4:02 pmSAN-BUF
29h 47m1 stop
$219Frontier
Find Deal
Sun, Sep 21 - Sat, Sep 27
Frontier Logo
4:57 pm - 11:53 pmBUF-SAN
9h 56m1 stop
Frontier Logo
7:15 am - 4:02 pmSAN-BUF
29h 47m1 stop
$238Frontier
Find Deal
Fri, Sep 12 - Sat, Sep 20
American Airlines Logo
7:40 am - 2:15 pmBUF-SAN
9h 35m1 stop
American Airlines Logo
9:42 am - 10:39 pmSAN-BUF
9h 57m1 stop
$251American Airlines
Find Deal
Sat, Nov 15 - Wed, Nov 19
American Airlines Logo
7:40 am - 3:16 pmBUF-SAN
10h 36m2 stops
American Airlines Logo
6:46 am - 5:48 pmSAN-BUF
8h 02m1 stop
$256American Airlines
Find Deal
Sat, Nov 15 - Tue, Nov 18
United Airlines Logo
2:49 pm - 8:47 pmBUF-SAN
8h 58m1 stop
United Airlines Logo
6:30 am - 8:41 pmSAN-BUF
11h 11m2 stops
$279United Airlines
Find Deal
Fri, Jan 23 - Tue, Jan 27
United Airlines Logo
7:05 am - 11:40 amBUF-SAN
7h 35m1 stop
United Airlines Logo
11:17 am - 10:56 pmSAN-BUF
8h 39m1 stop
$297United Airlines
Find Deal
Thu, Sep 18 - Mon, Sep 22
Southwest Logo
10:40 am - 5:25 pmBUF-SAN
9h 45m2 stops
Southwest Logo
9:55 am - 9:05 pmSAN-BUF
8h 10m2 stops
$327Southwest
Find Deal
Fri, Nov 14 - Wed, Nov 19
Southwest Logo
4:55 pm - 10:10 pmBUF-SAN
8h 15m1 stop
Southwest Logo
8:05 pm - 7:55 amSAN-BUF
8h 50m2 stops
$339Southwest
Find Deal
Fri, Nov 14 - Thu, Nov 20
Delta Logo
5:55 pm - 9:51 pmBUF-SAN
6h 56m1 stop
Delta Logo
10:30 pm - 9:38 amSAN-BUF
8h 08m1 stop
$348Delta
Find Deal
Fri, Dec 5 - Sun, Dec 7

United Airlines flights from Buffalo to San Diego

Our best United Airlines deals on Buffalo to San Diego flight tickets
United Airlines
Jan 23
BUF2:49 pmBuffalo
8h 58m
1 stop
SAN8:47 pmSan Diego
Jan 27
SAN6:30 amSan Diego
11h 11m
2 stops
BUF8:41 pmBuffalo
$279
Find similar
United Airlines
Sep 18
BUF7:05 amBuffalo
7h 35m
1 stop
SAN11:40 amSan Diego
Sep 22
SAN11:17 amSan Diego
8h 39m
1 stop
BUF10:56 pmBuffalo
$297
Find similar
United Airlines
Oct 18
BUF1:14 pmBuffalo
8h 16m
1 stop
SAN6:30 pmSan Diego
Oct 27
SAN8:40 pmSan Diego
10h 08m
2 stops
BUF9:48 amBuffalo
$306
Find similar

American Airlines flights from Buffalo to San Diego

Our best American Airlines deals on Buffalo to San Diego flight tickets
American Airlines
Nov 15
BUF7:40 amBuffalo
9h 35m
1 stop
SAN2:15 pmSan Diego
Nov 19
SAN9:42 amSan Diego
9h 57m
1 stop
BUF10:39 pmBuffalo
$251
Find similar
American Airlines
Nov 15
BUF7:40 amBuffalo
10h 36m
2 stops
SAN3:16 pmSan Diego
Nov 18
SAN6:46 amSan Diego
8h 02m
1 stop
BUF5:48 pmBuffalo
$256
Find similar
American Airlines
Nov 8
BUF7:40 amBuffalo
10h 36m
2 stops
SAN3:16 pmSan Diego
Nov 12
SAN10:09 amSan Diego
10h 27m
2 stops
BUF11:36 pmBuffalo
$261
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 August 28, 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

Fri 9/19

4:57 pm-11:53 pm

1 stop9h 56m

San Diego

Mon 9/22

6:35 am-4:03 pm

1 stop6h 28m

$209

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sun 9/21

4:57 pm-11:09 am

1 stop21h 12m

San Diego

Sat 9/27

7:15 am-4:02 pm

1 stop29h 47m

$219

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Fri 9/12

4:57 pm-11:53 pm

1 stop9h 56m

San Diego

Sat 9/20

7:15 am-4:02 pm

1 stop29h 47m

$238

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sat 11/15

7:40 am-2:15 pm

1 stop9h 35m

San Diego

Wed 11/19

9:42 am-10:39 pm

1 stop9h 57m

$251

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sat 11/15

7:40 am-3:16 pm

2 stops10h 36m

San Diego

Tue 11/18

6:46 am-5:48 pm

1 stop8h 02m

$256

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Fri 1/23

2:49 pm-8:47 pm

1 stop8h 58m

San Diego

Tue 1/27

6:30 am-8:41 pm

2 stops11h 11m

$279

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Thu 9/18

7:05 am-11:40 am

1 stop7h 35m

San Diego

Mon 9/22

11:17 am-10:56 pm

1 stop8h 39m

$297

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Fri 11/14

10:40 am-5:25 pm

2 stops9h 45m

San Diego

Wed 11/19

9:55 am-9:05 pm

2 stops8h 10m

$327

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Fri 11/14

4:55 pm-10:10 pm

1 stop8h 15m

San Diego

Thu 11/20

8:05 pm-7:55 am

2 stops8h 50m

$339

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Fri 12/5

5:55 pm-9:51 pm

1 stop6h 56m

San Diego

Sun 12/7

10:30 pm-9:38 am

1 stop8h 08m

$348

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 September, then departing from Buffalo during the month November is also very affordable. Most momondo users find prices during this month for around $379.

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 $432 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 $364 on momondo.

How have Buffalo to San Diego flight prices changed over time?

As of August 2025, 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

Direct flights

None
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 56m 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
3,204 reviews
Search Frontier flights
JetBluePriceFrom $259Free CancellationRating
7.2
2,920 reviews
Search JetBlue flights
American AirlinesPriceFrom $260Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $296Free CancellationRating
7.9
7,977 reviews
Search Delta flights
United AirlinesPriceFrom $340Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights
SouthwestPriceFrom $346Free CancellationRating
8.0
4,242 reviews
Search Southwest 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
La Mesa
National City
Imperial Beach
Poway
San Ysidro
Borrego Springs
Alpine
Lemon Grove
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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