In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

What is the cheapest time of day to fly from IAG to SAN?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Niagara Falls, New York to San Diego as you normally would.

Most accurate provider : When it comes to deals on Niagara Falls, New York-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Niagara Falls, New York-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Niagara Falls, New York-San Diego flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Niagara Falls, New York-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Niagara Falls, New York-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Niagara Falls to San Diego that include hotel bookings?

Yes. In addition to deals on Niagara Falls to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Niagara Falls to San Diego?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Niagara Falls to San Diego.

Can I find deals for business class flights from Niagara Falls to San Diego?

Yes. Cheapflights offers flight deals from Niagara Falls to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$268+ Cheap Flights from Niagara Falls, NY to San Diego

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Cheap flight deals from Niagara Falls to San Diego

One-way

One-way flights from Niagara Falls to San Diego
Search for one-way flight options from Niagara Falls to San Diego. Find affordable one-way fares based on user searches. Data last updated July 30, 2026.

Sun 8/168:35 pm

IAG

SAN

3 stops50h 40m

Multiple Airlines

Deal found 7/26

$268

Thu 8/138:35 pm

IAG

SAN

2 stops30h 16m

Multiple Airlines

Deal found 7/26

$300

Fri 8/142:08 pm

IAG

SAN

3 stops31h 52m

Multiple Airlines

Deal found 7/26

$301

Mon 8/102:08 pm

IAG

SAN

3 stops31h 52m

Multiple Airlines

Deal found 7/26

$312

Sun 9/1310:33 am

IAG

SAN

3 stops57h 26m

Multiple Airlines

Deal found 7/30

$317

Sat 8/156:57 pm

IAG

SAN

3 stops55h 54m

Multiple Airlines

Deal found 7/26

$328

Find flight deals from Niagara Falls to San Diego

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars

Provider with most accurate pricing for Niagara Falls-San Diego flight deals.

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Use the filters below to find and compare flights from Niagara Falls to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest one-way

Niagara FallsSan Diego

IAG - SAN

IAGSAN

Niagara Falls

Sun 8/16

8:35 pm-8:15 pm

3 stops50h 40m

$268

Niagara FallsSan Diego

IAG - SAN

IAGSAN

Niagara Falls

Thu 8/13

8:35 pm-11:51 pm

2 stops30h 16m

$300

Niagara FallsSan Diego

IAG - SAN

IAGSAN

Niagara Falls

Fri 8/14

2:08 pm-7:00 pm

3 stops31h 52m

$301

Niagara FallsSan Diego

IAG - SAN

IAGSAN

Niagara Falls

Sun 9/13

10:33 am-4:59 pm

3 stops57h 26m

$317

Niagara FallsSan Diego

IAG - SAN

IAGSAN

Niagara Falls

Sat 8/15

6:57 pm-11:51 pm

3 stops55h 54m

$328

Quickest one-way

Niagara FallsSan Diego

IAG - SAN

IAGSAN

Niagara Falls

Mon 8/10

2:08 pm-11:39 am

2 stops24h 31m

$427

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Sorted by cheapest first

Most accurate provider: When it comes to deals on Niagara Falls, New York-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Niagara Falls, New York-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Niagara Falls, New York-San Diego flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Niagara Falls, New York-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Niagara Falls, New York-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Niagara Falls to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Niagara Falls with our price prediction graph.

IAG-SAN

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Can I find deals for flights from Niagara Falls to San Diego that include hotel bookings?
Yes. In addition to deals on Niagara Falls to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Niagara Falls to San Diego?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Niagara Falls to San Diego.
Can I find deals for business class flights from Niagara Falls to San Diego?
Yes. Cheapflights offers flight deals from Niagara Falls to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Niagara Falls to San Diego with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Niagara Falls to San Diego

One-way flights from Niagara Falls to San Diego
Search for one-way flight options from Niagara Falls to San Diego. Find affordable one-way fares based on user searches. Data last updated July 30, 2026.

Search for one-way flight options from Niagara Falls to San Diego. Find affordable one-way fares based on user searches. Data last updated July 30, 2026.

Find flight deals from Niagara Falls to San Diego

Most accurate provider

Most trusted provider

Cheapflights Fare Finder

Use the filters below to find and compare flights from Niagara Falls to San Diego that are best for you.

Best time to book a flight from Niagara Falls to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Niagara Falls with our price prediction graph.

Related info for your journey

Can I find deals for flights from Niagara Falls to San Diego that include hotel bookings?

How can I find direct flights from Niagara Falls to San Diego?

Can I find deals for business class flights from Niagara Falls to San Diego?

Traveling to a place near San Diego?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Niagara Falls to San Diego

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to San Diego by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Niagara Falls to San Diego by cabin class

Find flights from Niagara Falls to San Diego, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Niagara Falls and San Diego flights

Browse other Niagara Falls and San Diego flight options. Last updated on July 30, 2026.

Other flights from Niagara Falls

Browse through other flights departing from Niagara Falls. Flights are based on user searches made on Cheapflights and were last updated on July 30, 2026.

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$268+ Cheap flights from Niagara Falls, NY to San Diego (IAG - SAN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Niagara Falls to San Diego with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Niagara Falls to San Diego

One-way flights from Niagara Falls to San DiegoSearch for one-way flight options from Niagara Falls to San Diego. Find affordable one-way fares based on user searches. Data last updated July 30, 2026.

Search for one-way flight options from Niagara Falls to San Diego. Find affordable one-way fares based on user searches. Data last updated July 30, 2026.

Find flight deals from Niagara Falls to San Diego

Most accurate provider

Most trusted provider

Cheapflights Fare Finder

Use the filters below to find and compare flights from Niagara Falls to San Diego that are best for you.

Best time to book a flight from Niagara Falls to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Niagara Falls with our price prediction graph.

Related info for your journey

Can I find deals for flights from Niagara Falls to San Diego that include hotel bookings?

How can I find direct flights from Niagara Falls to San Diego?

Can I find deals for business class flights from Niagara Falls to San Diego?

Traveling to a place near San Diego?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Niagara Falls to San Diego

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to San Diego by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Niagara Falls to San Diego by cabin class

Find flights from Niagara Falls to San Diego, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Niagara Falls and San Diego flights

Browse other Niagara Falls and San Diego flight options. Last updated on July 30, 2026.

Other flights from Niagara Falls

Browse through other flights departing from Niagara Falls. Flights are based on user searches made on Cheapflights and were last updated on July 30, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Other flights to San Diego

Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 30, 2026.

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One-way flights from Niagara Falls to San Diego
Search for one-way flight options from Niagara Falls to San Diego. Find affordable one-way fares based on user searches. Data last updated July 30, 2026.