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385 € Cheap Flights from Kitchener / Waterloo to San Diego

Compare Kitchener / Waterloo to San Diego flight deals

Find the cheapest month or even day of the year to fly to San Diego

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Flight deals from Kitchener / Waterloo to San Diego

Looking for a cheap last-minute deal or the best return flight from Kitchener / Waterloo Airport to San Diego? If you want to travel next month, return fares start from 423 €. Find the lowest prices on one-way and return tickets right here.
San Diego.385 € per passenger.Departing Thu, 1 Oct, returning Sun, 4 Oct.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Kitchener / Waterloo on Thu, 1 Oct, arriving in San Diego International.Inbound indirect flight with WestJet, departs from San Diego International on Sun, 4 Oct, arriving in Kitchener / Waterloo.Price includes taxes and charges.From 385 €, select.
San Diego.395 € per passenger.Departing Tue, 8 Sep, returning Fri, 11 Sep.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Kitchener / Waterloo on Tue, 8 Sep, arriving in San Diego International.Inbound indirect flight with WestJet, departs from San Diego International on Fri, 11 Sep, arriving in Kitchener / Waterloo.Price includes taxes and charges.From 395 €, select.
San Diego.423 € per passenger.Departing Mon, 17 Aug, returning Mon, 24 Aug.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Kitchener / Waterloo on Mon, 17 Aug, arriving in San Diego International.Inbound indirect flight with WestJet, departs from San Diego International on Mon, 24 Aug, arriving in Kitchener / Waterloo.Price includes taxes and charges.From 423 €, select.
San Diego.423 € per passenger.Departing Fri, 11 Sep, returning Fri, 2 Oct.Return flight with WestJet and Frontier Airlines.Outbound indirect flight with WestJet, departs from Kitchener / Waterloo on Fri, 11 Sep, arriving in San Diego International.Inbound indirect flight with Frontier Airlines, departs from San Diego International on Fri, 2 Oct, arriving in Kitchener / Waterloo.Price includes taxes and charges.From 423 €, select.
San Diego.428 € per passenger.Departing Thu, 20 Aug, returning Sat, 5 Sep.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Kitchener / Waterloo on Thu, 20 Aug, arriving in San Diego International.Inbound indirect flight with WestJet, departs from San Diego International on Sat, 5 Sep, arriving in Kitchener / Waterloo.Price includes taxes and charges.From 428 €, select.
San Diego.434 € per passenger.Departing Thu, 19 Nov, returning Wed, 25 Nov.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Kitchener / Waterloo on Thu, 19 Nov, arriving in San Diego International.Inbound indirect flight with WestJet, departs from San Diego International on Wed, 25 Nov, arriving in Kitchener / Waterloo.Price includes taxes and charges.From 434 €, select.
San Diego.687 € per passenger.Departing Fri, 31 Jul, returning Sat, 8 Aug.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Kitchener / Waterloo on Fri, 31 Jul, arriving in San Diego International.Inbound indirect flight with WestJet, departs from San Diego International on Sat, 8 Aug, arriving in Kitchener / Waterloo.Price includes taxes and charges.From 687 €, select.
San Diego.689 € per passenger.Departing Thu, 17 Dec, returning Wed, 23 Dec.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Kitchener / Waterloo on Thu, 17 Dec, arriving in San Diego International.Inbound indirect flight with WestJet, departs from San Diego International on Wed, 23 Dec, arriving in Kitchener / Waterloo.Price includes taxes and charges.From 689 €, select.
San Diego.716 € per passenger.Departing Wed, 22 Jul, returning Tue, 28 Jul.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Kitchener / Waterloo on Wed, 22 Jul, arriving in San Diego International.Inbound indirect flight with WestJet, departs from San Diego International on Tue, 28 Jul, arriving in Kitchener / Waterloo.Price includes taxes and charges.From 716 €, select.
San Diego.724 € per passenger.Departing Sun, 18 Oct, returning Sun, 28 Mar.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Kitchener / Waterloo on Sun, 18 Oct, arriving in San Diego International.Inbound indirect flight with WestJet, departs from San Diego International on Sun, 28 Mar, arriving in Kitchener / Waterloo.Price includes taxes and charges.From 724 €, select.
San Diego.876 € per passenger.Departing Thu, 24 Dec, returning Sun, 3 Jan.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Kitchener / Waterloo on Thu, 24 Dec, arriving in San Diego International.Inbound indirect flight with WestJet, departs from San Diego International on Sun, 3 Jan, arriving in Kitchener / Waterloo.Price includes taxes and charges.From 876 €, select.
San Diego.1.012 € per passenger.Departing Thu, 11 Feb, returning Mon, 15 Feb.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Kitchener / Waterloo on Thu, 11 Feb, arriving in San Diego International.Inbound indirect flight with WestJet, departs from San Diego International on Mon, 15 Feb, arriving in Kitchener / Waterloo.Price includes taxes and charges.From 1.012 €, select.

Find the cheapest month to fly from Kitchener / Waterloo to San Diego

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Kitchener / Waterloo to San Diego flights are currently cheapest in October.
Jul
from 716 €
Aug
from 423 €
Sep
from 395 €
Oct
from 385 €
Nov
from 434 €
Dec
from 689 €
Jan
Find prices
Feb
from 1.012 €
Mar
Find prices
Apr
Find prices
May
Find prices
Jun
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Alternative Kitchener / Waterloo to San Diego routes

Looking for the cheapest, fastest or easiest route from Kitchener / Waterloo to San Diego? You could fly into the following airports instead.

San Diego International

4km from central San Diego
ClosestCheapest
from 385 €
Search flights

McClellan-Palomar

48km from central San Diego
Search flights

Toronto to San Diego: Flight information

The things to know before you go.
Cheapest flight found385 €
Cheapest month to flyOctober

Finding cheap flights from Kitchener / Waterloo to San Diego: Frequently asked questions

There are 2 airports in San Diego: San Diego International and McClellan-Palomar.
The best price we found for a return flight from Kitchener / Waterloo to San Diego is 385 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Kitchener / Waterloo to San Diego. But we found flights with one or more stops from 385 €.
As of July 2026, there are no flights flying from Kitchener / Waterloo to San Diego.
The cheapest month to fly from Kitchener / Waterloo to San Diego is usually October.
If you're flying from Kitchener / Waterloo Airport, the cheapest airport near San Diego is San Diego International – which is 4.1 km away from the centre of San Diego. We've found flights into this airport from 385 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kitchener / Waterloo Airport to San Diego on Thursday, 1 October 2026.
No airlines currently offer direct flights between Kitchener / Waterloo Airport and San Diego. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Diego but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Diego is around 40 days in advance, so don’t leave your flight to the last minute.

In July, the average temperature is usually around 22°C. August is typically the warmest month in San Diego, when it usually averages around 28°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging 10°C. The rainiest month is February.
Currently, WestJet offers the cheapest flight tickets to San Diego.

Travelling from Region of Waterloo International Airport (YKF) to San Diego: what you need to know

  • Region of Waterloo International Airport is located in Toronto. Following the UTC-7 timezone, San Diego is three hours behind Toronto.

  • For a relaxed start to your YKF to San Diego flight, leave enough time for things like check-in and baggage drop. Arriving two hours before international departures and an hour before domestic flights is the general rule.

  • Travelling during a peak month like August? School holidays and other popular seasons can mean longer queues and delays at check-in and security. Be extra cautious and get there up to four hours ahead of international flights and two hours before domestic departures.

  • YKF is about 80 kilometres from central Toronto. If you're driving, ride-sharing or catching a cab from the centre, it'll take you 1 hour 15 minutes or so to get there, depending on traffic conditions. If you're taking public transport, expect the journey time to be around 4 hours 5 minutes.

  • Catching an early flight from Region of Waterloo International Airport to San Diego? Avoid the stress of rushing to the airport (and enjoy a little extra shut-eye) by choosing one of these stays close to YKF:

  • When it comes to the on-time performance of Region of Waterloo International Airport, data shows 63.64% of flights arrive within the scheduled time frame.

How to find the cheapest flights from Region of Waterloo International Airport (YKF) to San Diego

  • 208 € is the cheapest price we've seen for a one-way Region of Waterloo International Airport to San Diego flight. A return ticket right now is 385 €. Depending on how early you book and the availability, these fares could change.

  • Booking early is often the key to finding a cheap flight from YKF to San Diego. Fares tend to rise as seats fill up, so the nearer you get to departure, the more it could cost you.

  • The 'Whole month' tool will show you the cheapest tickets from Region of Waterloo International Airport to San Diego across each month. It's a good way to find a bargain if your travel plans are flexible.

  • Snapping up a cheap flight from YKF to San Diego is easy with Price Alerts. All you need to do is set up one of these automatic notifications and we'll get in touch when a deal gets even better.

  • Choose your ideal arrival and departure times, airlines and number of stops with our filters. Then, sort the results for your flight from Region of Waterloo International Airport to San Diego by 'Fastest,' 'Cheapest' or 'Best.'

Airports in San Diego

San Diego International Airport (SAN)

  • San Diego International Airport (SAN) to the centre of San Diego takes around 10 minutes by car. The centre is roughly 5 kilometres away.

  • It'll take around 20 minutes if you're using public transport.

  • The last thing you need is a long journey to your hotel if you're landing late on a flight from Region of Waterloo International Airport to San Diego. Stay at one of these accommodation options near SAN instead:

  • Follow your own route with a San Diego International Airport rental car. Pick up your wheels from Thrifty, Dollar or Budget and find adventure across San Diego and beyond.

  • Reserving your ride from San Diego International Airport around two weeks ahead of your flight from YKF to San Diego can help you secure the lowest rate.

  • You'll find SAN at N Harbour Dr.

McClellan-Palomar Airport (CLD)

  • McClellan-Palomar Airport (CLD) is roughly 56 kilometres from the centre of San Diego. Following your flight from Region of Waterloo International Airport to San Diego, it'll take you around 40 minutes to get to the heart of the city in a ride-share or cab.

  • If you choose to travel on public transport, the journey will take you 2 hours 15 minutes or so.

  • There are some great places to call home for the night near CLD. Unwind and get cosy after your YKF to San Diego flight at any of these well-located options:

  • Forget about public transport timetables or cab lines. Grab a McClellan-Palomar Airport rental car and let your trip unfold on your terms. Compare availability and rates from Budget, Hertz and Avis.

  • Avoid filling out forms at the rental desk by completing your booking beforehand. Reserve your ride from CLD ahead of time so you can just collect the keys and drive away.

Best time to go to San Diego

  • Before you book your flights from Region of Waterloo International Airport to San Diego, consider which time of year works best for you. Peak season in San Diego offers a bustling atmosphere and plenty of things to do, while low season brings cheaper hotel rates and fewer crowds.

  • Before booking a Region of Waterloo International Airport to San Diego plane ticket, think about the kind of weather you prefer. August is the warmest month in San Diego, with temperatures ranging from 17ºC (63ºF) to 28ºC (82ºF).

  • For cooler conditions, search for a cheap ticket from YKF to San Diego in February when temperatures average between 7ºC (45ºF) and 23ºC (73ºF).

More about San Diego

  • When it comes to looking for somewhere to rest your head, you'll find the top stays in San Diego right here. Check out these hotels once you've locked in your flight from Region of Waterloo International Airport to San Diego:

  • USS Midway Museum and San Diego Zoo are a couple of top-rated attractions to add to your San Diego to-do list. Keep the adventure rolling by checking out SeaWorld San Diego.

Explore more of United States

  • San Diego has its own special appeal, but there are so many other corners of United States just waiting to be discovered. Around 177 kilometres north-west of San Diego, a visit to Los Angeles will fill your itinerary to the brim. Start with popular sights like Griffith Observatory, The Broad and La Brea Tar Pits & Museum.

  • If you want to check out another great destination in United States, head for Phoenix, roughly 483 kilometres east of San Diego. Desert Botanical Garden, Heard Museum and Papago Park are among its highlights.

Plan the rest of your trip from Toronto to San Diego

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.