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

Southwest and Delta are the most popular carriers operating from Buffalo to San Diego

Which airlines fly to San Diego?

Southwest, American Airlines and Delta are the top three most popular airlines that fly to San Diego from Buffalo according to our data. Southwest is the first choice among our users, with 62% of people opting to fly with this airline when travelling to San Diego. Keep in mind that there are 3 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.

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 3 as of September 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$ 171 Cheap Flights from Buffalo to San Diego in 2026/27

Discover deals from 900+ travel sites with momondo.

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.

6:55 a.m. - 12:56 p.m.BUF Buffalo-SAN San Diego

9h 01m1 stop Boston Logan Intl

11:40 a.m. - 11:33 p.m.SAN San Diego-BUF Buffalo

8h 53m1 stop New York John F Kennedy Intl

C$ 334JetBlue

Thu, 29 Oct - Mon, 2 Nov

4:50 p.m. - 10:45 p.m.BUF Buffalo-SAN San Diego

8h 55m1 stop Denver Intl

9:55 p.m. - 8:25 a.m.SAN San Diego-BUF Buffalo

7h 30m1 stop Baltimore/Washington

C$ 367Southwest

Thu, 22 Oct - Mon, 9 Nov

7:00 a.m. - 7:55 p.m.BUF Buffalo-SAN San Diego

15h 55m1 stop Tampa

10:40 p.m. - 10:50 a.m.SAN San Diego-BUF Buffalo

9h 10m1 stop Chicago Midway

C$ 369Southwest

Fri, 15 Jan - Mon, 18 Jan

4:50 p.m. - 10:45 p.m.BUF Buffalo-SAN San Diego

8h 55m1 stop Denver Intl

7:50 p.m. - 8:25 a.m.SAN San Diego-BUF Buffalo

9h 35m2 stops Las Vegas Harry Reid Intl Baltimore/Washington

C$ 376Southwest

Thu, 22 Oct - Mon, 9 Nov

3:56 p.m. - 9:37 p.m.BUF Buffalo-SAN San Diego

8h 41m1 stop Charlotte Douglas

9:30 p.m. - 10:18 a.m.SAN San Diego-BUF Buffalo

9h 48m1 stop Philadelphia

C$ 406American Airlines

Sat, 17 Oct - Sat, 24 Oct

6:36 p.m. - 11:39 p.m.BUF Buffalo-SAN San Diego

8h 03m1 stop Atlanta Hartsfield-Jackson

6:15 a.m. - 5:06 p.m.SAN San Diego-BUF Buffalo

7h 51m1 stop Detroit Metropolitan Wayne County

C$ 416Delta

Thu, 17 Dec - Thu, 7 Jan

3:52 p.m. - 11:46 p.m.BUF Buffalo-SAN San Diego

10h 54m1 stop New York John F Kennedy Intl

10:25 p.m. - 11:16 a.m.SAN San Diego-BUF Buffalo

9h 51m1 stop Atlanta Hartsfield-Jackson

C$ 416Delta

Fri, 30 Oct - Mon, 2 Nov

2:10 p.m. - 8:19 p.m.BUF Buffalo-SAN San Diego

9h 09m1 stop Boston Logan Intl

12:35 p.m. - 11:59 p.m.SAN San Diego-BUF Buffalo

8h 24m1 stop New York John F Kennedy Intl

C$ 446JetBlue

Tue, 8 Dec - Mon, 14 Dec

6:55 a.m. - 12:56 p.m.BUF Buffalo-SAN San Diego

9h 01m1 stop Boston Logan Intl

11:40 a.m. - 11:33 p.m.SAN San Diego-BUF Buffalo

8h 53m1 stop New York John F Kennedy Intl

C$ 446JetBlue

Thu, 29 Oct - Mon, 2 Nov

3:56 p.m. - 9:37 p.m.BUF Buffalo-SAN San Diego

8h 41m1 stop Charlotte Douglas

12:20 p.m. - 10:54 p.m.SAN San Diego-BUF Buffalo

7h 34m1 stop Dallas/Fort Worth

C$ 457American Airlines

Sat, 17 Oct - Sat, 24 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

12:02 p.m. - 6:35 p.m.BUF Buffalo-SAN San Diego

9h 33m1 stop Detroit Metropolitan Wayne County

10:10 p.m. - 8:34 a.m.SAN San Diego-BUF Buffalo

7h 24m1 stop Detroit Metropolitan Wayne County

C$ 1,076Delta

Thu, 24 Sep - Mon, 30 Nov

8:40 a.m. - 2:40 p.m.BUF Buffalo-SAN San Diego

9h 00m2 stops Chicago Midway Phoenix Sky Harbor Intl

9:20 a.m. - 8:45 p.m.SAN San Diego-BUF Buffalo

8h 25m2 stops Albuquerque Denver Intl

C$ 1,103Southwest

Wed, 23 Sep - Wed, 9 Dec

8:00 a.m. - 12:40 p.m.BUF Buffalo-SAN San Diego

7h 40m1 stop Chicago Midway

10:40 p.m. - 12:00 p.m.SAN San Diego-BUF Buffalo

10h 20m2 stops Chicago Midway Baltimore/Washington

C$ 1,210Southwest

Sun, 27 Sep - Sun, 18 Oct

6:00 a.m. - 1:44 p.m.BUF Buffalo-SAN San Diego

10h 44m2 stops Washington, D.C. Dulles Intl San Francisco

10:30 p.m. - 9:44 a.m.SAN San Diego-BUF Buffalo

8h 14m1 stop Chicago O'Hare Intl

C$ 1,224United Airlines

Thu, 24 Sep - Mon, 30 Nov

9:40 a.m. - 6:10 p.m.BUF Buffalo-SAN San Diego

11h 30m2 stops Baltimore/Washington Portland

7:40 p.m. - 8:25 a.m.SAN San Diego-BUF Buffalo

9h 45m2 stops Phoenix Sky Harbor Intl Baltimore/Washington

C$ 1,254Southwest

Thu, 24 Sep - Mon, 30 Nov

7:00 a.m. - 8:45 p.m.BUF Buffalo-SAN San Diego

16h 45m2 stops Chicago O'Hare Intl San Francisco

6:15 a.m. - 10:43 p.m.SAN San Diego-BUF Buffalo

13h 28m2 stops Los Angeles Los Angeles Denver Intl

C$ 1,338United Airlines

Wed, 23 Sep - Tue, 29 Sep

6:20 a.m. - 10:18 a.m.BUF Buffalo-SAN San Diego

6h 58m1 stop Detroit Metropolitan Wayne County

9:59 p.m. - 10:26 a.m.SAN San Diego-BUF Buffalo

9h 27m1 stop New York John F Kennedy Intl

C$ 1,353Delta

Mon, 28 Sep - Tue, 29 Sep

6:30 a.m. - 2:57 p.m.BUF Buffalo-SAN San Diego

11h 27m2 stops Newark Washington, D.C. Dulles Intl

10:30 p.m. - 9:29 a.m.SAN San Diego-BUF Buffalo

7h 59m1 stop Chicago O'Hare Intl

C$ 1,360United Airlines

Mon, 28 Sep - Tue, 29 Sep

7:00 a.m. - 8:45 p.m.BUF Buffalo-SAN San Diego

16h 45m2 stops Chicago O'Hare Intl San Francisco

9:20 p.m. - 9:55 a.m.SAN San Diego-BUF Buffalo

9h 35m1 stop Newark

C$ 1,360United Airlines

Wed, 23 Sep - Tue, 29 Sep

8:50 a.m. - 1:00 p.m.BUF Buffalo-SAN San Diego

7h 10m1 stop Baltimore/Washington

7:25 a.m. - 6:50 p.m.SAN San Diego-BUF Buffalo

8h 25m2 stops Phoenix Sky Harbor Intl Denver Intl

C$ 1,425Southwest

Sat, 26 Sep - Tue, 29 Sep

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JetBlue flights from Buffalo to San Diego

Our best JetBlue deals on Buffalo to San Diego flight tickets

JetBlue

29 Oct

BUF6:55 a.m.Buffalo

9h 01m

1 stop

SAN12:56 p.m.San Diego

2 Nov

SAN11:40 a.m.San Diego

8h 53m

1 stop

BUF11:33 p.m.Buffalo

C$ 334

JetBlue

29 Oct

BUF6:55 a.m.Buffalo

9h 01m

1 stop

SAN12:56 p.m.San Diego

2 Nov

SAN11:40 a.m.San Diego

8h 53m

1 stop

BUF11:33 p.m.Buffalo

C$ 446

JetBlue

12 Nov

BUF12:08 p.m.Buffalo

11h 14m

1 stop

SAN8:22 p.m.San Diego

22 Nov

SAN11:30 a.m.San Diego

9h 28m

1 stop

BUF11:58 p.m.Buffalo

C$ 450

Southwest flights from Buffalo to San Diego

Our best Southwest deals on Buffalo to San Diego flight tickets

Southwest

22 Oct

BUF4:50 p.m.Buffalo

8h 55m

1 stop

SAN10:45 p.m.San Diego

9 Nov

SAN9:55 p.m.San Diego

7h 30m

1 stop

BUF8:25 a.m.Buffalo

C$ 367

Southwest

15 Jan

BUF7:00 a.m.Buffalo

15h 55m

1 stop

SAN7:55 p.m.San Diego

18 Jan

SAN10:40 p.m.San Diego

9h 10m

1 stop

BUF10:50 a.m.Buffalo

C$ 369

Southwest

22 Oct

BUF4:50 p.m.Buffalo

8h 55m

1 stop

SAN10:45 p.m.San Diego

9 Nov

SAN7:50 p.m.San Diego

9h 35m

2 stops

BUF8:25 a.m.Buffalo

C$ 376

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloSan Diego

BUF Buffalo - SAN San Diego

BUFSAN

Buffalo

Thu 29/10

6:55 a.m.-12:56 p.m.

1 stop9h 01m

San Diego

Mon 2/11

11:40 a.m.-11:33 p.m.

1 stop8h 53m

C$ 334

BuffaloSan Diego

BUF Buffalo - SAN San Diego

BUFSAN

Buffalo

Thu 22/10

4:50 p.m.-10:45 p.m.

1 stop8h 55m

San Diego

Mon 9/11

9:55 p.m.-8:25 a.m.

1 stop7h 30m

C$ 367

BuffaloSan Diego

BUF Buffalo - SAN San Diego

BUFSAN

Buffalo

Fri 15/1

7:00 a.m.-7:55 p.m.

1 stop15h 55m

San Diego

Mon 18/1

10:40 p.m.-10:50 a.m.

1 stop9h 10m

C$ 369

BuffaloSan Diego

BUF Buffalo - SAN San Diego

BUFSAN

Buffalo

Thu 22/10

4:50 p.m.-10:45 p.m.

1 stop8h 55m

San Diego

Mon 9/11

7:50 p.m.-8:25 a.m.

2 stops9h 35m

C$ 376

BuffaloSan Diego

BUF Buffalo - SAN San Diego

BUFSAN

Buffalo

Sat 17/10

3:56 p.m.-9:37 p.m.

1 stop8h 41m

San Diego

Sat 24/10

9:30 p.m.-10:18 a.m.

1 stop9h 48m

C$ 406

Quickest round-trip

BuffaloSan Diego

BUF Buffalo - SAN San Diego

BUFSAN

Buffalo

Thu 17/12

6:36 p.m.-11:39 p.m.

1 stop8h 03m

San Diego

Thu 7/1

6:15 a.m.-5:06 p.m.

1 stop7h 51m

C$ 416

BuffaloSan Diego

BUF Buffalo - SAN San Diego

BUFSAN

Buffalo

Fri 30/10

3:52 p.m.-11:46 p.m.

1 stop10h 54m

San Diego

Mon 2/11

10:25 p.m.-11:16 a.m.

1 stop9h 51m

C$ 416

BuffaloSan Diego

BUF Buffalo - SAN San Diego

BUFSAN

Buffalo

Tue 8/12

2:10 p.m.-8:19 p.m.

1 stop9h 09m

San Diego

Mon 14/12

12:35 p.m.-11:59 p.m.

1 stop8h 24m

C$ 446

BuffaloSan Diego

BUF Buffalo - SAN San Diego

BUFSAN

Buffalo

Thu 29/10

6:55 a.m.-12:56 p.m.

1 stop9h 01m

San Diego

Mon 2/11

11:40 a.m.-11:33 p.m.

1 stop8h 53m

C$ 446

BuffaloSan Diego

BUF Buffalo - SAN San Diego

BUFSAN

Buffalo

Sat 17/10

3:56 p.m.-9:37 p.m.

1 stop8h 41m

San Diego

Sat 24/10

12:20 p.m.-10:54 p.m.

1 stop7h 34m

C$ 457

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 typical price of a round-trip flight between Buffalo and San Diego?

Prices are currently low for flights on this route.

Typical prices usually range from C$ 462 to C$ 709.
The lowest price recently found on this route was C$ 334.

What is the cheapest month to fly to San Diego?

In general, April 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$ 519. If you are unable to visit San Diego during the month of April, then departing from Buffalo during the month January is also very affordable. Most momondo users find prices during this month for around C$ 534.

How far in advance should I book a flight from Buffalo 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$ 564 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$ 437 on momondo.

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

You could potentially save up to 54% 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 September 2026, prices for Buffalo to San Diego flights are approximately 14% more expensive 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	C$ 171
Fastest flight time	7h 35m
Direct flights	None

The best one-way flight to San Diego from Buffalo in the past 72 hours is C$ 171. The best round-trip flight deal from Buffalo to San Diego found on momondo in the last 72 hours is C$ 334.

The fastest flight from Buffalo to San Diego takes 7h 35m

There are no direct flights from Buffalo to San Diego. There are no popular flight routes from Buffalo to San Diego.

Search flight deals

Frequently asked questions about flying from Buffalo to San Diego

How far is Buffalo to San Diego by plane?
The straight-line distance from Buffalo to San Diego is 3511.1 km. 7h 35m 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 3 as of September 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 62% of the total bookings. Other popular airlines include American Airlines with 20% and Delta with 18%.

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
Delta	PriceFrom C$ 243	Free Cancellation	Rating 7.8 8,597 reviews	Search Delta flights
American Airlines	PriceFrom C$ 351	Free Cancellation	Rating 7.0 12,076 reviews	Search American Airlines flights
Southwest	PriceFrom C$ 415	Free Cancellation	Rating 8.0 4,194 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.

An easier way to manage your San Diego trip

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Cheap flights from Buffalo to San Diego from C$ 171

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 9/11. 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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JetBlue flights from Buffalo to San Diego

Our best JetBlue deals on Buffalo to San Diego flight tickets

Southwest flights from Buffalo to San Diego

Our best Southwest deals on Buffalo to San Diego flight tickets

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See travel insights to San Diego from

How to get the cheapest flight ticket from Buffalo to San Diego

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?

How far in advance should I book a flight from Buffalo to San Diego?

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

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

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

Which airlines fly to San Diego?

When to book flights from Buffalo to San Diego

Cheap Buffalo to San Diego (BUF to SAN) flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying 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

Travelling to a place near San Diego?

Why use momondo?

An easier way to manage your San Diego trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing California

Fly your favourite airline to San Diego

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to San Diego

List of cabin classes available on flights landing in San Diego. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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