What is the cheapest airline that flies from Buffalo to San Diego?

American Airlines, Delta, and United Airlines are the most popular carriers operating from Buffalo to San Diego

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?

The number of operators available for flights from Buffalo Airport to San Diego Airport is 1 as of January 2026.

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.

C$ 206 Cheap Flights from Buffalo to San Diego in 2026

1 adult

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Find the cheapest flights from Buffalo to San Diego

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 a.m. - 1:45 p.m.

BUF

SAN

10h 45m

1 stop

8:30 p.m. - 8:06 a.m.

SAN

BUF

8h 36m

1 stop

C$ 372JetBlue

Sat, 4 Apr - Sun, 12 Apr

6:00 a.m. - 12:29 p.m.

BUF

SAN

9h 29m

1 stop

1:05 p.m. - 11:44 p.m.

SAN

BUF

7h 39m

1 stop

C$ 379United Airlines

Fri, 20 Feb - Tue, 24 Feb

4:53 p.m. - 11:09 p.m.

BUF

SAN

9h 16m

1 stop

9:45 p.m. - 11:01 a.m.

SAN

BUF

10h 16m

1 stop

C$ 411Delta

Tue, 7 Apr - Mon, 13 Apr

5:24 p.m. - 10:44 p.m.

BUF

SAN

8h 20m

1 stop

11:05 a.m. - 10:59 p.m.

SAN

BUF

8h 54m

2 stops

C$ 418United Airlines

Mon, 23 Feb - Mon, 2 Mar

1:51 p.m. - 7:28 p.m.

BUF

SAN

8h 37m

1 stop

9:10 p.m. - 9:40 a.m.

SAN

BUF

9h 30m

1 stop

C$ 419JetBlue

Thu, 26 Feb - Mon, 2 Mar

10:25 a.m. - 8:20 p.m.

BUF

SAN

12h 55m

1 stop

9:10 p.m. - 9:39 a.m.

SAN

BUF

9h 29m

1 stop

C$ 430JetBlue

Tue, 10 Feb - Sat, 14 Feb

8:30 a.m. - 2:57 p.m.

BUF

SAN

9h 27m

1 stop

10:52 a.m. - 8:43 p.m.

SAN

BUF

6h 51m

1 stop

C$ 442United Airlines

Wed, 1 Apr - Wed, 8 Apr

8:30 a.m. - 5:12 p.m.

BUF

SAN

11h 42m

2 stops

10:52 a.m. - 8:43 p.m.

SAN

BUF

6h 51m

1 stop

C$ 449United Airlines

Wed, 1 Apr - Wed, 8 Apr

6:06 a.m. - 12:41 p.m.

BUF

SAN

9h 35m

1 stop

1:37 p.m. - 11:50 p.m.

SAN

BUF

7h 13m

1 stop

C$ 455American Airlines

Thu, 12 Mar - Mon, 16 Mar

12:30 p.m. - 8:15 p.m.

BUF

SAN

10h 45m

1 stop

7:00 p.m. - 7:50 a.m.

SAN

BUF

9h 50m

2 stops

C$ 460Southwest

Mon, 23 Mar - Mon, 27 Apr

Southwest flights from Buffalo to San Diego

Our best Southwest deals on Buffalo to San Diego flight tickets

Southwest

23 Mar

BUF12:30 p.m.Buffalo

10h 45m

1 stop

SAN8:15 p.m.San Diego

27 Apr

SAN7:00 p.m.San Diego

9h 50m

2 stops

BUF7:50 a.m.Buffalo

C$ 460

Southwest

11 Feb

BUF1:20 p.m.Buffalo

12h 45m

1 stop

SAN11:05 p.m.San Diego

18 Feb

SAN7:55 p.m.San Diego

9h 10m

2 stops

BUF8:05 a.m.Buffalo

C$ 477

Southwest

6 Mar

BUF5:50 p.m.Buffalo

8h 35m

1 stop

SAN11:25 p.m.San Diego

9 Mar

SAN9:35 p.m.San Diego

9h 35m

2 stops

BUF10:10 a.m.Buffalo

C$ 503

United Airlines flights from Buffalo to San Diego

Our best United Airlines deals on Buffalo to San Diego flight tickets

United Airlines

20 Feb

BUF6:00 a.m.Buffalo

9h 29m

1 stop

SAN12:29 p.m.San Diego

24 Feb

SAN1:05 p.m.San Diego

7h 39m

1 stop

BUF11:44 p.m.Buffalo

C$ 379

United Airlines

23 Feb

BUF5:24 p.m.Buffalo

8h 20m

1 stop

SAN10:44 p.m.San Diego

2 Mar

SAN11:05 a.m.San Diego

8h 54m

2 stops

BUF10:59 p.m.Buffalo

C$ 418

United Airlines

1 Apr

BUF8:30 a.m.Buffalo

9h 27m

1 stop

SAN2:57 p.m.San Diego

8 Apr

SAN10:52 a.m.San Diego

6h 51m

1 stop

BUF8:43 p.m.Buffalo

C$ 442

Fly from

Fly to

Route

Depart

Return

Price

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Sat 4/4

6:00 a.m.-1:45 p.m.

1 stop10h 45m

San Diego

Sun 12/4

8:30 p.m.-8:06 a.m.

1 stop8h 36m

C$ 372

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Fri 20/2

6:00 a.m.-12:29 p.m.

1 stop9h 29m

San Diego

Tue 24/2

1:05 p.m.-11:44 p.m.

1 stop7h 39m

C$ 379

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Tue 7/4

4:53 p.m.-11:09 p.m.

1 stop9h 16m

San Diego

Mon 13/4

9:45 p.m.-11:01 a.m.

1 stop10h 16m

C$ 411

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Mon 23/2

5:24 p.m.-10:44 p.m.

1 stop8h 20m

San Diego

Mon 2/3

11:05 a.m.-10:59 p.m.

2 stops8h 54m

C$ 418

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Thu 26/2

1:51 p.m.-7:28 p.m.

1 stop8h 37m

San Diego

Mon 2/3

9:10 p.m.-9:40 a.m.

1 stop9h 30m

C$ 419

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Tue 10/2

10:25 a.m.-8:20 p.m.

1 stop12h 55m

San Diego

Sat 14/2

9:10 p.m.-9:39 a.m.

1 stop9h 29m

C$ 430

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Wed 1/4

8:30 a.m.-2:57 p.m.

1 stop9h 27m

San Diego

Wed 8/4

10:52 a.m.-8:43 p.m.

1 stop6h 51m

C$ 442

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Wed 1/4

8:30 a.m.-5:12 p.m.

2 stops11h 42m

San Diego

Wed 8/4

10:52 a.m.-8:43 p.m.

1 stop6h 51m

C$ 449

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Thu 12/3

6:06 a.m.-12:41 p.m.

1 stop9h 35m

San Diego

Mon 16/3

1:37 p.m.-11:50 p.m.

1 stop7h 13m

C$ 455

BuffaloSan Diego

BUF - SAN

BUFSAN

Buffalo

Mon 23/3

12:30 p.m.-8:15 p.m.

1 stop10h 45m

San Diego

Mon 27/4

7:00 p.m.-7:50 a.m.

2 stops9h 50m

C$ 460

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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$ 485. If you are unable to visit San Diego during the month of October, then departing from Buffalo during the month September is also very affordable. Most momondo users find prices during this month for around C$ 506.

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$ 569 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$ 474 on momondo.

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

As of January 2026, prices for Buffalo to San Diego flights are approximately 21% 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	11h 45m
Direct flights	None

The fastest flight from Buffalo to San Diego takes 11h 45m

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. 11h 45m 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?
The number of operators available for flights from Buffalo Airport to San Diego Airport is 1 as of January 2026.
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?
Based on momondo bookings for flights between Buffalo and San Diego, the leading plane model is Boeing 737 MAX 8, making up 100.00% of the total bookings.
What is the most popular airline from Buffalo to San Diego?
Based on momondo bookings for flights between Buffalo and San Diego, the leading airline is Southwest, making up 100% of the total bookings.

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
Southwest	PriceFrom C$ 510	Free Cancellation	Rating 8.0 4,266 reviews		Search Southwest flights

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.