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Cheap flights from Niagara Falls, ON to San Diego from C$ 250

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SAN
26 May — 2 Jun1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Niagara Falls to San Diego are usually found in May or June, booked 89 days in advance, depart on a Wednesday 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 26 April 2026.

Sat 5/96:10 a.m.
YYZ
-
SAN
2 stops11h 00m
WestJet
Fri 16/103:30 p.m.
SAN
-
YYZ
2 stops18h 15m
WestJet
Deal found 24/4C$ 424
Tue 2/69:55 a.m.
YYZ
-
SAN
1 stop14h 17m
Multiple Airlines
Mon 8/610:07 p.m.
SAN
-
YYZ
2 stops23h 58m
Multiple Airlines
Deal found 21/4C$ 426
Sat 9/56:15 a.m.
YYZ
-
SAN
1 stop10h 55m
WestJet
Wed 10/63:30 p.m.
SAN
-
YYZ
1 stop11h 15m
WestJet
Deal found 21/4C$ 432
Tue 2/66:15 a.m.
YYZ
-
SAN
1 stop10h 55m
WestJet
Tue 16/63:30 p.m.
SAN
-
YYZ
1 stop11h 15m
WestJet
Deal found 21/4C$ 433
Wed 6/56:15 a.m.
YYZ
-
SAN
1 stop10h 55m
WestJet
Fri 8/53:30 p.m.
SAN
-
YYZ
1 stop11h 15m
WestJet
Deal found 22/4C$ 435
Sat 29/87:00 a.m.
YYZ
-
SAN
1 stop10h 10m
WestJet
Sat 5/93:30 p.m.
SAN
-
YYZ
1 stop12h 25m
WestJet
Deal found 24/4C$ 439
Tue 16/67:00 a.m.
YYZ
-
SAN
1 stop10h 10m
WestJet
Thu 2/75:00 p.m.
SAN
-
YYZ
1 stop9h 45m
WestJet
Deal found 21/4C$ 440
Sun 6/99:20 a.m.
YYZ
-
SAN
Nonstop5h 15m
Air Canada
Wed 16/91:10 p.m.
SAN
-
YYZ
Nonstop5h 00m
Air Canada
Deal found 23/4C$ 443
Fri 2/106:10 a.m.
YYZ
-
SAN
2 stops11h 00m
WestJet
Tue 13/103:30 p.m.
SAN
-
YYZ
2 stops20h 50m
WestJet
Deal found 22/4C$ 444
Tue 8/96:30 p.m.
YYZ
-
SAN
1 stop22h 40m
WestJet
Fri 18/93:30 p.m.
SAN
-
YYZ
1 stop11h 15m
WestJet
Deal found 23/4C$ 445
Thu 16/79:00 a.m.
YYZ
-
SAN
1 stop9h 55m
WestJet
Sun 19/75:00 p.m.
SAN
-
YYZ
1 stop10h 55m
WestJet
Deal found 21/4C$ 447
Mon 17/88:00 a.m.
YYZ
-
SAN
1 stop9h 10m
WestJet
Sun 23/85:00 p.m.
SAN
-
YYZ
1 stop10h 55m
WestJet
Deal found 22/4C$ 448

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 26 April 2026.

Round-trip from

C$ 424

One-way from

C$ 250

Popular in

March

Cheapest in

May

Average price

C$ 593
WestJet
  • WestJet
  • 5/9-16/10
  • 4 total stops
  • 29h 15m total
  • Niagara Falls to San Diego
Search Deals
5/5
  • 5/5
  • 2 total stops
  • 14h 39m total
  • Niagara Falls to San Diego
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 63 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 26 April 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 31/8

6:00 a.m.-2:08 p.m.

1 stop11h 08m

San Diego

Sun 6/9

10:30 p.m.-8:55 a.m.

1 stop7h 25m

C$ 500

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Wed 14/10

1:30 p.m.-9:41 p.m.

1 stop11h 11m

San Diego

Thu 19/11

10:30 p.m.-9:01 a.m.

1 stop7h 31m

C$ 506

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Sat 30/5

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

1 stop11h 30m

San Diego

Fri 12/6

9:38 p.m.-10:23 a.m.

1 stop9h 45m

C$ 534
Quickest round-trip

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Sat 9/5

6:30 p.m.-11:27 p.m.

1 stop7h 57m

San Diego

Tue 12/5

6:15 a.m.-4:35 p.m.

1 stop7h 20m

C$ 540

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Tue 30/6

9:00 p.m.-9:33 a.m.

1 stop15h 33m

San Diego

Sat 4/7

8:45 a.m.-9:32 p.m.

1 stop9h 47m

C$ 548

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Wed 8/7

6:10 a.m.-7:50 p.m.

1 stop16h 40m

San Diego

Sun 12/7

10:40 p.m.-3:46 p.m.

1 stop14h 06m

C$ 562

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Sat 15/8

2:45 p.m.-10:10 p.m.

1 stop10h 25m

San Diego

Sun 23/8

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

1 stop8h 14m

C$ 562

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Mon 17/8

2:45 p.m.-10:10 p.m.

1 stop10h 25m

San Diego

Wed 26/8

6:28 p.m.-7:00 a.m.

1 stop9h 32m

C$ 562

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Fri 21/8

7:00 a.m.-3:02 p.m.

1 stop11h 02m

San Diego

Fri 28/8

7:41 p.m.-9:54 a.m.

2 stops11h 13m

C$ 563

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Fri 22/5

8:50 a.m.-10:44 p.m.

1 stop16h 54m

San Diego

Mon 25/5

6:15 a.m.-10:44 p.m.

1 stop13h 29m

C$ 603

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/4

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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 26 April 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 26 April 2026.

The most flights from NI4 to SAN are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 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 26 April 2026.
Read reviews from past customers who have flown Porter Airlines,Delta, andUnited Airlines 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.
Porter Airlines
8.0
Very good
435 reviews
Check prices

Comfort

8.0

Food

7.6

Crew

8.6

Overall

8.0

Entertainment

7.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
435 reviews
Porter Airlines
8.0
Very good
435 reviews
Check prices

Comfort

8.0

Food

7.6

Crew

8.6

Overall

8.0

Entertainment

7.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Delta
7.9
Good
8,458 reviews
Porter Airlines
8.0
Very good
435 reviews
Check prices

Comfort

8.0

Food

7.6

Crew

8.6

Overall

8.0

Entertainment

7.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
United Airlines
7.4
Good
9,655 reviews
Porter Airlines
8.0
Very good
435 reviews
Check prices

Comfort

8.0

Food

7.6

Crew

8.6

Overall

8.0

Entertainment

7.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
American Airlines
7.1
Good
11,675 reviews
Porter Airlines
8.0
Very good
435 reviews
Check prices

Comfort

8.0

Food

7.6

Crew

8.6

Overall

8.0

Entertainment

7.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Canada
7.1
Good
10,969 reviews
Porter Airlines
8.0
Very good
435 reviews
Check prices

Comfort

8.0

Food

7.6

Crew

8.6

Overall

8.0

Entertainment

7.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

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 are 2 flights from Niagara Falls to San Diego per day from 7 different airlines.

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

    Airlines like Delta and United Airlines fly from Niagara Falls to San Diego in about 11h 08m. The time it takes to get you to your destination can typically vary by up to 4h 25m. Airlines will cover a distance of 3465 km. This flight may include one or multiple stops.

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

    C$ 187 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 Air Canada and United Airlines, with prices starting from C$ 222 and C$ 225, respectively.

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

    On average you can expect to pay C$ 518 for a flight from Niagara Falls to San Diego. The cheapest flight overall is C$ 241 while the most popular route, (Toronto Pearson Intl - San Diego) is currently priced at C$ 389.

  • 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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Top 7 airlines flying from Niagara Falls to San Diego

Discover the top 7 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 26 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 281AverageC$ 491FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
DeltaCheapestC$ 284AverageC$ 456FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapestC$ 328AverageC$ 452FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 358AverageC$ 593FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 359AverageC$ 643FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 374AverageC$ 574FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air TransatCheapestC$ 386AverageC$ 472FlexibilityNo cancel feeOn-time50%
Search Air Transat flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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Why should you use Cheapflights to find cheap flight tickets from Niagara Falls to San Diego?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Niagara Falls to San Diego for you. Better yet — we are completely free to use.

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.

Can Cheapflights notify me if prices for flights from Niagara Falls to San Diego become cheaper?

Of course! You can now track prices for flights from Niagara Falls to San Diego and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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