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Cheap flights from Buffalo to San Diego from $143

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 8/29. 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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Cheap round-trip flights

JetBlue Logo
9:48 am - 6:57 pmBUF-SAN
12h 09m1 stop
JetBlue Logo
8:40 pm - 9:03 amSAN-BUF
9h 23m1 stop
$291JetBlue
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Fri, Oct 3 - Tue, Oct 7
JetBlue Logo
9:48 am - 6:57 pmBUF-SAN
12h 09m1 stop
JetBlue Logo
10:10 am - 10:00 pmSAN-BUF
8h 50m1 stop
$310JetBlue
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Fri, Oct 3 - Sat, Oct 4
American Airlines Logo
7:35 am - 1:56 pmBUF-SAN
9h 21m1 stop
American Airlines Logo
6:19 am - 10:02 pmSAN-BUF
12h 43m1 stop
$315American Airlines
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Wed, Aug 20 - Tue, Aug 26
Frontier Logo
4:55 pm - 11:52 pmBUF-SAN
9h 57m1 stop
Frontier Logo
6:25 am - 4:00 pmSAN-BUF
6h 35m1 stop
$319Frontier
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Fri, Aug 29 - Mon, Sep 1
Delta Logo
3:58 pm - 11:41 pmBUF-SAN
10h 43m1 stop
Delta Logo
10:10 pm - 10:19 amSAN-BUF
9h 09m1 stop
$325Delta
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Wed, Oct 15 - Wed, Oct 22
American Airlines Logo
6:25 am - 2:07 pmBUF-SAN
10h 42m1 stop
American Airlines Logo
6:15 am - 6:33 pmSAN-BUF
9h 18m1 stop
$326American Airlines
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Wed, Aug 27 - Sun, Aug 31
Frontier Logo
2:09 pm - 11:50 pmBUF-SAN
12h 41m1 stop
Frontier Logo
9:03 pm - 1:14 pmSAN-BUF
13h 11m1 stop
$334Frontier
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Fri, Oct 10 - Sun, Oct 19
Delta Logo
12:09 pm - 5:28 pmBUF-SAN
8h 19m1 stop
Delta Logo
10:10 pm - 10:19 amSAN-BUF
9h 09m1 stop
$341Delta
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Fri, Oct 17 - Wed, Oct 22
Southwest Logo
10:15 am - 6:45 pmBUF-SAN
11h 30m2 stops
Southwest Logo
6:15 pm - 8:05 amSAN-BUF
10h 50m2 stops
$346Southwest
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Wed, Aug 20 - Tue, Aug 26
Southwest Logo
12:20 pm - 7:40 pmBUF-SAN
10h 20m2 stops
Southwest Logo
7:45 pm - 8:05 amSAN-BUF
9h 20m2 stops
$369Southwest
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Fri, Jan 9 - Sat, Jan 17

American Airlines flights from Buffalo to San Diego

Our best American Airlines deals on Buffalo to San Diego flight tickets
American Airlines
Aug 20
BUF7:35 amBuffalo
9h 21m
1 stop
SAN1:56 pmSan Diego
Aug 26
SAN6:19 amSan Diego
12h 43m
1 stop
BUF10:02 pmBuffalo
$315
Find similar
American Airlines
Aug 27
BUF6:25 amBuffalo
10h 42m
1 stop
SAN2:07 pmSan Diego
Aug 31
SAN6:15 amSan Diego
9h 18m
1 stop
BUF6:33 pmBuffalo
$326
Find similar
American Airlines
Aug 12
BUF6:25 amBuffalo
8h 34m
2 stops
SAN11:59 amSan Diego
Aug 19
SAN10:45 pmSan Diego
10h 19m
1 stop
BUF12:04 pmBuffalo
$330
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Delta flights from Buffalo to San Diego

Our best Delta deals on Buffalo to San Diego flight tickets
Delta
Oct 15
BUF3:58 pmBuffalo
10h 43m
1 stop
SAN11:41 pmSan Diego
Oct 22
SAN10:10 pmSan Diego
9h 09m
1 stop
BUF10:19 amBuffalo
$325
Find similar
Delta
Oct 17
BUF12:09 pmBuffalo
8h 19m
1 stop
SAN5:28 pmSan Diego
Oct 22
SAN10:10 pmSan Diego
9h 09m
1 stop
BUF10:19 amBuffalo
$341
Find similar
Delta
Sep 28
BUF3:51 pmBuffalo
8h 56m
1 stop
SAN9:47 pmSan Diego
Oct 6
SAN10:30 pmSan Diego
6h 56m
1 stop
BUF8:26 amBuffalo
$342
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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 November, then departing from Buffalo during the month January is also very affordable. Most momondo users find prices during this month for around $381.

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 afternoon are often more expensive with an average ticket price of $473.

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 $439 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 July 2025, prices for Buffalo to San Diego flights are approximately 3% 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

Best Price Found

$143

Fastest flight time

6h 43m

Direct flights

None

Airports in San Diego

1 airport
The best one-way flight to San Diego from Buffalo in the past 72 hours is $143. The best round-trip flight deal from Buffalo to San Diego found on momondo in the last 72 hours is $291.
The fastest flight from Buffalo to San Diego takes 6h 43m
There are no direct flights from Buffalo to San Diego. Popular non-direct route for this connection is Buffalo Airport - San Diego Airport.
There is 1 airport near San Diego: San Diego (SAN)
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  • How far is Buffalo to San Diego by plane?

    There are 2181.7 mi between Buffalo and San Diego. Typically, this will take 6h 43m 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 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
5.9
3,251 reviews
Search Frontier flights
JetBluePriceFrom $259Free CancellationRating
7.3
2,910 reviews
Search JetBlue flights
DeltaPriceFrom $306Free CancellationRating
8.0
7,958 reviews
Search Delta flights
American AirlinesPriceFrom $326Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $342Free CancellationRating
7.4
8,864 reviews
Search United Airlines flights
SouthwestPriceFrom $346Free CancellationRating
8.0
4,241 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
El Cajon
Chula Vista
Julian
National City
La Mesa
Imperial Beach
San Ysidro
Poway
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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