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Cheap flights from Niagara Falls, ON to San Diego from C$ 319

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 20/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SAN
11 Jul — 18 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Niagara Falls to San Diego are usually found in May or August, booked 82 days in advance, depart on a Friday or Thursday and return on a Sunday

Cheap flight deals from Niagara Falls to San Diego

Enter your travel dates to find the best prices.

Cheapest flights from Niagara Falls to San Diego
Explore the most affordable flight options available from Niagara Falls to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 June 2026.

Fri 2/107:00 a.m.
YYZ
-
SAN
1 stop10h 10m
WestJet
Mon 5/103:30 p.m.
SAN
-
YYZ
1 stop11h 15m
WestJet
Deal found 8/6C$ 509
Sat 26/98:00 a.m.
YYZ
-
SAN
1 stop9h 10m
WestJet
Mon 28/93:30 p.m.
SAN
-
YYZ
1 stop11h 15m
WestJet
Deal found 7/6C$ 520
Wed 29/79:20 a.m.
YYZ
-
SAN
Nonstop5h 15m
Air Canada
Wed 5/812:30 p.m.
SAN
-
YYZ
Nonstop4h 57m
Air Canada
Deal found 9/6C$ 528
Thu 27/83:00 p.m.
YYZ
-
SAN
1 stop8h 39m
Air Canada
Mon 31/812:30 p.m.
SAN
-
YYZ
Nonstop4h 57m
Air Canada
Deal found 9/6C$ 532
Wed 9/97:00 a.m.
YYZ
-
SAN
1 stop10h 10m
WestJet
Wed 23/93:30 p.m.
SAN
-
YYZ
1 stop11h 15m
WestJet
Deal found 9/6C$ 539
Tue 21/710:50 a.m.
YYZ
-
SAN
2 stops30h 18m
Multiple Airlines
Tue 28/73:03 p.m.
SAN
-
YYZ
1 stop12h 36m
Multiple Airlines
Deal found 9/6C$ 544
Wed 23/96:10 a.m.
YYZ
-
SAN
2 stops11h 00m
WestJet
Tue 29/93:30 p.m.
SAN
-
YYZ
1 stop11h 15m
WestJet
Deal found 10/6C$ 549
Wed 2/97:00 a.m.
YYZ
-
SAN
1 stop10h 10m
WestJet
Mon 14/93:30 p.m.
SAN
-
YYZ
1 stop11h 15m
WestJet
Deal found 8/6C$ 551

Find flight deals from Niagara Falls to San Diego

Keep the following information in mind while searching for Niagara Falls to San Diego flight deals. Data was last updated 11 June 2026.

Round-trip from

C$ 509

One-way from

C$ 319

Popular in

March

Cheapest in

May

Average price

C$ 679
WestJet
  • WestJet
  • 2/10-5/10
  • 2 total stops
  • 21h 25m total
  • Niagara Falls to San Diego
Search Deals
20/7
  • 20/7
  • 1 total stop
  • 20h 33m total
  • Niagara Falls to San Diego
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 18 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Niagara Falls 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, Cheapflights users made 629,999 searches. Data last updated 11 June 2026.
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 round-trip

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Mon 20/7

1:38 p.m.-10:57 p.m.

1 stop12h 19m

San Diego

Fri 31/7

11:48 a.m.-11:13 p.m.

1 stop8h 25m

C$ 566

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Fri 17/7

11:40 a.m.-7:35 p.m.

1 stop10h 55m

San Diego

Fri 31/7

11:48 a.m.-11:13 p.m.

1 stop8h 25m

C$ 566

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Mon 23/11

12:14 p.m.-9:41 p.m.

1 stop12h 27m

San Diego

Sun 6/12

8:00 a.m.-9:58 p.m.

1 stop10h 58m

C$ 566

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Sun 4/10

2:24 p.m.-6:36 p.m.

1 stop7h 12m

San Diego

Tue 27/10

11:40 a.m.-11:00 p.m.

1 stop8h 20m

C$ 567

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Wed 11/11

5:10 p.m.-11:55 p.m.

1 stop9h 45m

San Diego

Sun 15/11

6:15 a.m.-5:22 p.m.

1 stop8h 07m

C$ 567

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Mon 6/7

9:45 a.m.-6:21 p.m.

1 stop11h 36m

San Diego

Mon 13/7

10:15 p.m.-8:55 a.m.

1 stop7h 40m

C$ 588

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Sun 25/10

8:15 a.m.-10:53 a.m.

Nonstop5h 38m

San Diego

Sat 7/11

8:45 p.m.-9:29 a.m.

1 stop9h 44m

C$ 623

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Fri 23/10

7:45 a.m.-1:08 p.m.

1 stop8h 23m

San Diego

Sun 1/11

8:00 a.m.-9:58 p.m.

1 stop10h 58m

C$ 631

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Thu 5/11

1:30 p.m.-8:18 p.m.

1 stop9h 48m

San Diego

Sun 8/11

6:15 a.m.-4:39 p.m.

1 stop7h 24m

C$ 631
Quickest round-trip

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Fri 21/8

9:20 a.m.-11:35 a.m.

Nonstop5h 15m

San Diego

Mon 7/9

10:40 p.m.-9:54 a.m.

1 stop8h 14m

C$ 634

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/6

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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.
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.

Cheapflights Insights

Everything you need to know about your flight from Niagara Falls to San Diego

What is the cheapest time of day to fly from NI4 to SAN?

Find hourly flight availability from Niagara Falls to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 June 2026.

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

Weekly flight availability from Niagara Falls to San Diego

Explore weekly flight availability from Niagara Falls to San Diego. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 11 June 2026.

The most flights from NI4 to SAN are scheduled on a Monday (2 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (1 on average).

How much does it cost to fly round-trip from Niagara Falls to San Diego?

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated 11 June 2026.
Read reviews from past customers who have flown Delta,United Airlines, andWestJet from Niagara Falls to San Diego. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,400 reviews
Check prices

Comfort

7.8

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
7.9
Good
8,400 reviews
Delta
7.9
Good
8,400 reviews
Check prices

Comfort

7.8

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
9,804 reviews
Delta
7.9
Good
8,400 reviews
Check prices

Comfort

7.8

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
WestJet
7.2
Good
3,356 reviews
Delta
7.9
Good
8,400 reviews
Check prices

Comfort

7.8

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.1
Good
11,639 reviews
Delta
7.9
Good
8,400 reviews
Check prices

Comfort

7.8

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Canada
7.1
Good
11,163 reviews
Delta
7.9
Good
8,400 reviews
Check prices

Comfort

7.8

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Niagara Falls to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Diego from Niagara Falls?

    If you book a flight to San Diego from Niagara Falls, you will be flying to San Diego, which is the city’s only airport. San Diego (SAN) is located 4.2 km from the centre of San Diego. There is 1 flight from Niagara Falls to San Diego per day from 6 different airlines.

  • How long is the flight from Niagara Falls to San Diego?

    Airlines like Delta fly from Niagara Falls to San Diego in about 12h 19m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 3465 km.

  • What are the cheapest airlines to fly from Niagara Falls to San Diego one-way?

    C$ 228 is the cheapest one-way deal found within the past few days, from Porter Airlines. You may also be able to find cheap deals on Delta and Air Canada, with prices starting from C$ 238 and C$ 246, respectively.

  • What are the most reliable airlines from Niagara Falls to San Diego?

    The top 3 most reliable airlines when flying from Niagara Falls to San Diego are Air Canada Rouge (79%), Air Canada (78%) and United Airlines (77%).

  • What are the cheapest flights from Niagara Falls to San Diego?

    On average you can expect to pay C$ 636 for a flight from Niagara Falls to San Diego. The cheapest flight overall is C$ 295 while the most popular route, (Toronto Pearson Intl - San Diego) is currently priced at C$ 545.

  • 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.

See more FAQs

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
La Mesa
Borrego Springs

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Alternative routes for Niagara Falls to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Niagara Falls to San Diego

Discover the top 6 airlines that operate flights from Niagara Falls to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 11 June 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 309AverageC$ 481FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapestC$ 372AverageC$ 524FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 376AverageC$ 704FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 397AverageC$ 840FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 397AverageC$ 628FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 398AverageC$ 595FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Niagara Falls to San Diego?

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Can Cheapflights find flights from Niagara Falls to San Diego with no change fees?

Need flexible booking options for your flight to San Diego from Niagara Falls? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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