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Cheap flights from Buffalo to San Diego from C$ 223

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 10/9. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Buffalo to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
5:15 p.m. - 11:15 p.m.BUF  Buffalo-SAN San Diego
9h 00m1 stop Denver Intl
Southwest Logo
10:40 p.m. - 9:55 a.m.SAN  San Diego-BUF Buffalo
8h 15m1 stop Baltimore/Washington
C$ 444Southwest
Sat, 5 Sep - Fri, 11 Sep
Delta Logo
6:40 a.m. - 10:20 a.m.BUF  Buffalo-SAN San Diego
6h 40m1 stop Detroit Metropolitan Wayne County
Delta Logo
12:52 p.m. - 11:52 p.m.SAN  San Diego-BUF Buffalo
8h 00m1 stop Atlanta Hartsfield-Jackson
C$ 444Delta
Sat, 5 Sep - Sat, 12 Sep
United Airlines Logo
5:57 p.m. - 10:10 p.m.BUF  Buffalo-SAN San Diego
7h 13m1 stop Chicago O'Hare Intl
United Airlines Logo
10:25 p.m. - 9:52 a.m.SAN  San Diego-BUF Buffalo
8h 27m1 stop Newark
C$ 444United Airlines
Wed, 9 Sep - Fri, 11 Sep
United Airlines Logo
5:58 p.m. - 10:08 p.m.BUF  Buffalo-SAN San Diego
7h 10m1 stop Chicago O'Hare Intl
United Airlines Logo
10:40 a.m. - 9:07 p.m.SAN  San Diego-BUF Buffalo
7h 27m1 stop Chicago O'Hare Intl
C$ 444United Airlines
Sat, 5 Sep - Fri, 11 Sep
American Airlines Logo
4:47 p.m. - 9:48 p.m.BUF  Buffalo-SAN San Diego
8h 01m1 stop Dallas/Fort Worth
American Airlines Logo
9:30 p.m. - 10:18 a.m.SAN  San Diego-BUF Buffalo
9h 48m1 stop Philadelphia
C$ 457American Airlines
Wed, 30 Sep - Mon, 5 Oct
Southwest Logo
4:55 p.m. - 10:15 p.m.BUF  Buffalo-SAN San Diego
8h 20m1 stop Denver Intl
Southwest Logo
8:15 a.m. - 8:45 p.m.SAN  San Diego-BUF Buffalo
9h 30m1 stop Denver Intl
C$ 458Southwest
Thu, 12 Nov - Mon, 16 Nov
Southwest Logo
3:30 p.m. - 8:20 p.m.BUF  Buffalo-SAN San Diego
7h 50m1 stop Baltimore/Washington
Southwest Logo
11:10 a.m. - 10:25 p.m.SAN  San Diego-BUF Buffalo
8h 15m1 stop Denver Intl
C$ 458Southwest
Sat, 7 Nov - Sat, 14 Nov
Southwest Logo
8:05 a.m. - 12:35 p.m.BUF  Buffalo-SAN San Diego
7h 30m1 stop Chicago Midway
Southwest Logo
9:55 p.m. - 8:05 a.m.SAN  San Diego-BUF Buffalo
7h 10m1 stop Baltimore/Washington
C$ 458Southwest
Tue, 15 Dec - Tue, 5 Jan
American Airlines Logo
11:32 a.m. - 7:14 p.m.BUF  Buffalo-SAN San Diego
10h 42m1 stop Charlotte Douglas
American Airlines Logo
11:51 a.m. - 9:46 p.m.SAN  San Diego-BUF Buffalo
6h 55m1 stop Chicago O'Hare Intl
C$ 507American Airlines
Sun, 22 Nov - Tue, 1 Dec
American Airlines Logo
3:26 p.m. - 9:45 p.m.BUF  Buffalo-SAN San Diego
9h 19m1 stop Philadelphia
American Airlines Logo
6:20 a.m. - 6:37 p.m.SAN  San Diego-BUF Buffalo
9h 17m1 stop Philadelphia
C$ 507American Airlines
Sun, 22 Nov - Tue, 1 Dec

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Delta flights from Buffalo to San Diego

Our best Delta deals on Buffalo to San Diego flight tickets
Delta
5 Sep
BUF6:40 a.m.Buffalo
6h 40m
1 stop
SAN10:20 a.m.San Diego
12 Sep
SAN12:52 p.m.San Diego
8h 00m
1 stop
BUF11:52 p.m.Buffalo
C$ 444
Delta
30 Oct
BUF6:10 a.m.Buffalo
7h 10m
1 stop
SAN10:20 a.m.San Diego
1 Nov
SAN10:30 p.m.San Diego
9h 46m
1 stop
BUF11:16 a.m.Buffalo
C$ 455
Delta
29 Sep
BUF6:05 a.m.Buffalo
9h 20m
1 stop
SAN12:25 p.m.San Diego
5 Oct
SAN10:20 p.m.San Diego
7h 01m
1 stop
BUF8:21 a.m.Buffalo
C$ 457

United Airlines flights from Buffalo to San Diego

Our best United Airlines deals on Buffalo to San Diego flight tickets
United Airlines
5 Sep
BUF5:58 p.m.Buffalo
7h 10m
1 stop
SAN10:08 p.m.San Diego
11 Sep
SAN11:00 a.m.San Diego
9h 44m
2 stops
BUF11:44 p.m.Buffalo
C$ 451
United Airlines
4 Sep
BUF6:55 a.m.Buffalo
7h 20m
1 stop
SAN11:15 a.m.San Diego
11 Sep
SAN11:00 a.m.San Diego
9h 44m
2 stops
BUF11:44 p.m.Buffalo
C$ 462
United Airlines
13 Dec
BUF7:00 a.m.Buffalo
7h 22m
1 stop
SAN11:22 a.m.San Diego
20 Dec
SAN9:50 p.m.San Diego
8h 57m
1 stop
BUF9:47 a.m.Buffalo
C$ 544

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 7 August 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 Buffalo - SAN San Diego

BUFSAN

Buffalo

Sat 5/9

5:15 p.m.-11:15 p.m.

1 stop9h 00m

San Diego

Fri 11/9

10:40 p.m.-9:55 a.m.

1 stop8h 15m

C$ 444

BuffaloSan Diego

BUF Buffalo - SAN San Diego

BUFSAN

Buffalo

Sat 5/9

6:40 a.m.-10:20 a.m.

1 stop6h 40m

San Diego

Sat 12/9

12:52 p.m.-11:52 p.m.

1 stop8h 00m

C$ 444

BuffaloSan Diego

BUF Buffalo - SAN San Diego

BUFSAN

Buffalo

Wed 9/9

5:57 p.m.-10:10 p.m.

1 stop7h 13m

San Diego

Fri 11/9

10:25 p.m.-9:52 a.m.

1 stop8h 27m

C$ 444
Quickest round-trip

BuffaloSan Diego

BUF Buffalo - SAN San Diego

BUFSAN

Buffalo

Sat 5/9

5:58 p.m.-10:08 p.m.

1 stop7h 10m

San Diego

Fri 11/9

10:40 a.m.-9:07 p.m.

1 stop7h 27m

C$ 444

BuffaloSan Diego

BUF Buffalo - SAN San Diego

BUFSAN

Buffalo

Wed 30/9

4:47 p.m.-9:48 p.m.

1 stop8h 01m

San Diego

Mon 5/10

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

1 stop9h 48m

C$ 457

BuffaloSan Diego

BUF Buffalo - SAN San Diego

BUFSAN

Buffalo

Thu 12/11

4:55 p.m.-10:15 p.m.

1 stop8h 20m

San Diego

Mon 16/11

8:15 a.m.-8:45 p.m.

1 stop9h 30m

C$ 458

BuffaloSan Diego

BUF Buffalo - SAN San Diego

BUFSAN

Buffalo

Sat 7/11

3:30 p.m.-8:20 p.m.

1 stop7h 50m

San Diego

Sat 14/11

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

1 stop8h 15m

C$ 458

BuffaloSan Diego

BUF Buffalo - SAN San Diego

BUFSAN

Buffalo

Tue 15/12

8:05 a.m.-12:35 p.m.

1 stop7h 30m

San Diego

Tue 5/1

9:55 p.m.-8:05 a.m.

1 stop7h 10m

C$ 458

BuffaloSan Diego

BUF Buffalo - SAN San Diego

BUFSAN

Buffalo

Sun 22/11

11:32 a.m.-7:14 p.m.

1 stop10h 42m

San Diego

Tue 1/12

11:51 a.m.-9:46 p.m.

1 stop6h 55m

C$ 507

BuffaloSan Diego

BUF Buffalo - SAN San Diego

BUFSAN

Buffalo

Sun 22/11

3:26 p.m.-9:45 p.m.

1 stop9h 19m

San Diego

Tue 1/12

6:20 a.m.-6:37 p.m.

1 stop9h 17m

C$ 507

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 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$ 488 to C$ 642.
The lowest price recently found on this route was C$ 444.

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$ 492. If you are unable to visit San Diego during the month of October, then departing from Buffalo during the month April is also very affordable. Most momondo users find prices during this month for around C$ 518.

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$ 570 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$ 409 on momondo.

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

You could potentially save up to 62% 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 August 2026, prices for Buffalo to San Diego flights are approximately 22% 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

9h 20m

Direct flights

None
The fastest flight from Buffalo to San Diego takes 9h 20m
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. 9h 20m 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
American AirlinesPriceFrom C$ 311Free CancellationRating
7.1
11,877 reviews
Search American Airlines flights
SouthwestPriceFrom C$ 415Free CancellationRating
8.0
4,217 reviews
Search Southwest flights

Travelling to a place near San Diego?

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

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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