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Cheap flights from Buffalo to San Diego from C$ 170

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 4/5. 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.
Southwest Logo
1:10 p.m. - 6:55 p.m.
BUF
-
SAN
8h 45m
1 stop
Southwest Logo
10:40 p.m. - 10:25 a.m.
SAN
-
BUF
8h 45m
1 stop
C$ 399Southwest
Tue, 14 Apr - Sat, 9 May
Southwest Logo
1:10 p.m. - 7:35 p.m.
BUF
-
SAN
9h 25m
2 stops
Southwest Logo
6:30 a.m. - 4:35 p.m.
SAN
-
BUF
7h 05m
1 stop
C$ 406Southwest
Tue, 14 Apr - Sat, 9 May
Southwest Logo
3:25 p.m. - 11:25 p.m.
BUF
-
SAN
11h 00m
2 stops
Southwest Logo
7:40 p.m. - 7:50 a.m.
SAN
-
BUF
9h 10m
2 stops
C$ 413Southwest
Sat, 18 Apr - Tue, 21 Apr
Delta Logo
6:05 a.m. - 10:44 a.m.
BUF
-
SAN
7h 39m
1 stop
Delta Logo
10:25 p.m. - 11:10 a.m.
SAN
-
BUF
9h 45m
1 stop
C$ 435Delta
Tue, 28 Apr - Sat, 2 May
Southwest Logo
5:20 p.m. - 10:00 p.m.
BUF
-
SAN
7h 40m
1 stop
Southwest Logo
10:40 p.m. - 10:15 a.m.
SAN
-
BUF
8h 35m
1 stop
C$ 439Southwest
Fri, 1 May - Wed, 6 May
Southwest Logo
4:00 p.m. - 10:00 p.m.
BUF
-
SAN
9h 00m
1 stop
Southwest Logo
7:40 p.m. - 7:50 a.m.
SAN
-
BUF
9h 10m
2 stops
C$ 446Southwest
Fri, 1 May - Wed, 6 May
Southwest Logo
3:10 p.m. - 9:30 p.m.
BUF
-
SAN
9h 20m
2 stops
Southwest Logo
9:20 a.m. - 9:30 p.m.
SAN
-
BUF
9h 10m
2 stops
C$ 453Southwest
Tue, 5 May - Fri, 8 May
Southwest Logo
1:10 p.m. - 10:25 p.m.
BUF
-
SAN
12h 15m
1 stop
Southwest Logo
6:45 a.m. - 9:25 p.m.
SAN
-
BUF
11h 40m
2 stops
C$ 454Southwest
Wed, 15 Apr - Wed, 15 Jul
Southwest Logo
11:25 a.m. - 6:00 p.m.
BUF
-
SAN
9h 35m
2 stops
Southwest Logo
9:40 p.m. - 8:15 a.m.
SAN
-
BUF
7h 35m
1 stop
C$ 460Southwest
Mon, 4 May - Sat, 9 May
Delta Logo
8:56 a.m. - 2:20 p.m.
BUF
-
SAN
8h 24m
1 stop
Delta Logo
2:30 p.m. - 11:59 p.m.
SAN
-
BUF
6h 29m
1 stop
C$ 462Delta
Tue, 28 Apr - Thu, 7 May

Delta flights from Buffalo to San Diego

Our best Delta deals on Buffalo to San Diego flight tickets
Delta
28 Apr
BUF8:56 a.m.Buffalo
8h 24m
1 stop
SAN2:20 p.m.San Diego
28 Apr
SAN9:45 p.m.San Diego
10h 16m
1 stop
BUF11:01 a.m.Buffalo
C$ 435
Delta
28 Apr
BUF12:50 p.m.Buffalo
8h 29m
1 stop
SAN6:19 p.m.San Diego
4 May
SAN10:25 p.m.San Diego
9h 47m
1 stop
BUF11:12 a.m.Buffalo
C$ 462
Delta
24 May
BUF5:11 p.m.Buffalo
9h 16m
1 stop
SAN11:27 p.m.San Diego
31 May
SAN10:15 p.m.San Diego
7h 05m
1 stop
BUF8:20 a.m.Buffalo
C$ 479

Southwest flights from Buffalo to San Diego

Our best Southwest deals on Buffalo to San Diego flight tickets
Southwest
18 Apr
BUF5:00 p.m.Buffalo
8h 35m
1 stop
SAN10:35 p.m.San Diego
22 Apr
SAN10:40 p.m.San Diego
8h 35m
1 stop
BUF10:15 a.m.Buffalo
C$ 399
Southwest
18 Apr
BUF3:25 p.m.Buffalo
11h 00m
2 stops
SAN11:25 p.m.San Diego
22 Apr
SAN10:40 p.m.San Diego
8h 35m
1 stop
BUF10:15 a.m.Buffalo
C$ 406
Southwest
18 Apr
BUF3:25 p.m.Buffalo
11h 00m
2 stops
SAN11:25 p.m.San Diego
21 Apr
SAN7:40 p.m.San Diego
9h 10m
2 stops
BUF7:50 a.m.Buffalo
C$ 413

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 96,600 searches. Data last updated 20 March 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

Tue 14/4

1:10 p.m.-6:55 p.m.

1 stop8h 45m

San Diego

Sat 9/5

10:40 p.m.-10:25 a.m.

1 stop8h 45m

C$ 399

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Tue 14/4

1:10 p.m.-7:35 p.m.

2 stops9h 25m

San Diego

Sat 9/5

6:30 a.m.-4:35 p.m.

1 stop7h 05m

C$ 406

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sat 18/4

3:25 p.m.-11:25 p.m.

2 stops11h 00m

San Diego

Tue 21/4

7:40 p.m.-7:50 a.m.

2 stops9h 10m

C$ 413

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Tue 28/4

6:05 a.m.-10:44 a.m.

1 stop7h 39m

San Diego

Sat 2/5

10:25 p.m.-11:10 a.m.

1 stop9h 45m

C$ 435

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Fri 1/5

5:20 p.m.-10:00 p.m.

1 stop7h 40m

San Diego

Wed 6/5

10:40 p.m.-10:15 a.m.

1 stop8h 35m

C$ 439

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Fri 1/5

4:00 p.m.-10:00 p.m.

1 stop9h 00m

San Diego

Wed 6/5

7:40 p.m.-7:50 a.m.

2 stops9h 10m

C$ 446

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Tue 5/5

3:10 p.m.-9:30 p.m.

2 stops9h 20m

San Diego

Fri 8/5

9:20 a.m.-9:30 p.m.

2 stops9h 10m

C$ 453

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Wed 15/4

1:10 p.m.-10:25 p.m.

1 stop12h 15m

San Diego

Wed 15/7

6:45 a.m.-9:25 p.m.

2 stops11h 40m

C$ 454

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Mon 4/5

11:25 a.m.-6:00 p.m.

2 stops9h 35m

San Diego

Sat 9/5

9:40 p.m.-8:15 a.m.

1 stop7h 35m

C$ 460
Quickest round-trip

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Tue 28/4

8:56 a.m.-2:20 p.m.

1 stop8h 24m

San Diego

Thu 7/5

2:30 p.m.-11:59 p.m.

1 stop6h 29m

C$ 462

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 cheapest month to fly to San Diego?

In general, October is the cheapest month to fly from Buffalo to San Diego. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 482. If you are unable to visit San Diego during the month of October, then departing from Buffalo during the month November is also very affordable. Most momondo users find prices during this month for around C$ 505.

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 C$ 550 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 C$ 365 on momondo.

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

You could potentially save up to 61% 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 March 2026, 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

Fastest flight time

8h 01m

Direct flights

None
The fastest flight from Buffalo to San Diego takes 8h 01m
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?

    The straight-line distance from Buffalo to San Diego is 3511.1 km. 8h 01m is a normal flight duration for this route.

  • 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 were last updated today.

  • 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?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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 travel and health documents you'll need for your trip to San Diego Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Diego Airport. It is always advisable to seek advice from your airline or a trusted 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
SouthwestPriceFrom C$ 407Free CancellationRating
8.0
4,324 reviews
Search Southwest flights

  • Southwest Flights From Buffalo to San Diego

    Southwest flight deals from Buffalo to San Diego start from C$ 407 round-trip. Over the 3 Southwest flights for this route in a normal week, average airfare is usually C$ 654 round-trip - but some users have found much cheaper deals with momondo.

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Coronado
Borrego Springs
Chula Vista

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?

Yes. All flights to San Diego from Buffalo on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Buffalo to San Diego?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Diego from Buffalo.

I’m not ready to book a flight from Buffalo to San Diego right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Buffalo to San Diego now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Diego and let you know when they change.

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