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Cheap Flights from Ottawa International (YOW) to San Diego (SANA)

Compare Ottawa International 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 Ottawa International to San Diego

Looking for a cheap last-minute deal or the best return flight from Ottawa International to San Diego? Find the lowest prices on one-way and return tickets right here.
San Diego.£257 per passenger.Departing Sun, 11 Jan, returning Mon, 19 Jan.Return flight with WestJet and Frontier Airlines.Outbound indirect flight with WestJet, departs from Ottawa International on Sun, 11 Jan, arriving in San Diego International.Inbound indirect flight with Frontier Airlines, departs from San Diego International on Mon, 19 Jan, arriving in Ottawa International.Price includes taxes and charges.From £257, select.
San Diego.£291 per passenger.Departing Fri, 13 Feb, returning Mon, 23 Feb.Return flight with WestJet and Frontier Airlines.Outbound indirect flight with WestJet, departs from Ottawa International on Fri, 13 Feb, arriving in San Diego International.Inbound indirect flight with Frontier Airlines, departs from San Diego International on Mon, 23 Feb, arriving in Ottawa International.Price includes taxes and charges.From £291, select.
San Diego.£318 per passenger.Departing Fri, 15 May, returning Tue, 19 May.Return flight with United.Outbound indirect flight with United, departs from Ottawa International on Fri, 15 May, arriving in San Diego International.Inbound indirect flight with United, departs from San Diego International on Tue, 19 May, arriving in Ottawa International.Price includes taxes and charges.From £318, select.
San Diego.£319 per passenger.Departing Wed, 8 Jul, returning Fri, 24 Jul.Return flight with United.Outbound indirect flight with United, departs from Ottawa International on Wed, 8 Jul, arriving in San Diego International.Inbound indirect flight with United, departs from San Diego International on Fri, 24 Jul, arriving in Ottawa International.Price includes taxes and charges.From £319, select.
San Diego.£342 per passenger.Departing Wed, 17 Jun, returning Sun, 21 Jun.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Wed, 17 Jun, arriving in San Diego International.Inbound indirect flight with WestJet, departs from San Diego International on Sun, 21 Jun, arriving in Ottawa International.Price includes taxes and charges.From £342, select.
San Diego.£343 per passenger.Departing Sun, 23 Aug, returning Sat, 29 Aug.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Sun, 23 Aug, arriving in San Diego International.Inbound indirect flight with WestJet, departs from San Diego International on Sat, 29 Aug, arriving in Ottawa International.Price includes taxes and charges.From £343, select.
San Diego.£421 per passenger.Departing Wed, 18 Mar, returning Sun, 22 Mar.Return flight with WestJet and Frontier Airlines.Outbound indirect flight with WestJet, departs from Ottawa International on Wed, 18 Mar, arriving in San Diego International.Inbound indirect flight with Frontier Airlines, departs from San Diego International on Sun, 22 Mar, arriving in Ottawa International.Price includes taxes and charges.From £421, select.
San Diego.£499 per passenger.Departing Wed, 31 Dec, returning Sun, 4 Jan.Return flight with Porter Airlines and Frontier Airlines.Outbound indirect flight with Porter Airlines, departs from Ottawa International on Wed, 31 Dec, arriving in San Diego International.Inbound indirect flight with Frontier Airlines, departs from San Diego International on Sun, 4 Jan, arriving in Ottawa International.Price includes taxes and charges.From £499, select.

Find the cheapest month to fly from Ottawa International to San Diego

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ottawa International to San Diego flights are currently cheapest in January.
Dec
from £764
Jan
from £257
Feb
from £291
Mar
from £421
Apr
Find prices
May
from £318
Jun
from £342
Jul
from £319
Aug
from £343
Sep
Find prices
Oct
Find prices
Nov
Find prices

Alternative Ottawa International to San Diego routes

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

Ottawa to San Diego: Flight information

The things to know before you go.
Cheapest flight found£257
Cheapest month to flyJanuary

Finding cheap flights from Ottawa International 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 Ottawa International to San Diego is £257. 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 Ottawa International to San Diego. But we found flights with one or more stops from £257.
As of December 2025, there are no flights flying from Ottawa International to San Diego.
The cheapest month to fly from Ottawa International to San Diego is usually January.
If you're flying from Ottawa International Airport, the cheapest airport near San Diego is San Diego International – which is 2.5 miles away from the centre of San Diego. We've found flights into this airport from £257.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ottawa International Airport to San Diego on Sunday, 11 January 2026.
No airlines currently offer direct flights between Ottawa International 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 December, the average temperature is usually around 13°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 Ottawa/Macdonald-Cartier International Airport (YOW) to San Diego: what you need to know

  • The timezone in San Diego is UTC-7. The city is three hours behind Ottawa, where Ottawa/Macdonald-Cartier International Airport is located.

  • For stress-free travel, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This will give you plenty of time to board your YOW to San Diego flight.

  • Longer lines at check-in and security are more likely if you're heading away during high season, so give yourself a bit more breathing room. A good rule for peak times? Get there up to four hours early for international flights and at least two hours for domestic departures.

  • Located around 7 miles from central Ottawa, YOW can be reached in about 20 minutes by car (depending on traffic). Travelling on public transport takes roughly 45 minutes.

  • Searching for a hotel near YOW? If you've booked an early flight from Ottawa/Macdonald-Cartier International Airport to San Diego, these stays set you up for a seamless send-off:

  • Of all flights leaving Ottawa/Macdonald-Cartier International Airport, 58.21% land on time at their destination.

  • The address for YOW is 50 Airport Road.

How to find the cheapest flights from Ottawa/Macdonald-Cartier International Airport (YOW) to San Diego

  • £139 is the cheapest price we've seen for a one-way Ottawa/Macdonald-Cartier International Airport to San Diego flight. A round-trip plane ticket right now is £257. Depending on the availability and when you book, these fares may change.

  • Don't wait until the last minute. You're more likely to land cheap flights from YOW to San Diego if you book in advance. Airlines often offer some great early bird rates.

  • Landing cheap tickets from Ottawa/Macdonald-Cartier International Airport to San Diego is easier if you're flexible with your travel plans. Try using the 'Whole month' tool to get the lowest prices across every month and pick up a fantastic deal.

  • You don't need to keep looking every day to see if fares have dropped when you create a Price Alert. We'll let you know as soon as there's an even bigger deal on cheap flights from YOW to San Diego.

  • Save money on your flight from Ottawa/Macdonald-Cartier International Airport to San Diego with the help of our filters. Select your ideal duration, departure time and airlines, then sort the results by 'Cheapest' for the best deals.

Airports in San Diego

San Diego International Airport (SAN)

  • San Diego International Airport (SAN) to the centre of San Diego takes about 10 minutes to reach by car. The centre is roughly 3 miles away.

  • Travelling by public transport typically takes 20 minutes.

  • The last thing you need is a long journey to your hotel if you're arriving on a late flight from Ottawa/Macdonald-Cartier International Airport to San Diego. Reserve one of these accommodation options near SAN instead:

  • Explore without limits with a San Diego International Airport rental car. Book your wheels from Thrifty, Dollar or Budget and see more of San Diego and beyond.

  • To get the best deal, reserve your ride from San Diego International Airport around two weeks ahead of your flight from YOW to San Diego.

  • The address for SAN is N Harbour Dr.

McClellan-Palomar Airport (CLD)

  • Central San Diego is located around 35 miles from McClellan-Palomar Airport (CLD). Once your flight from Ottawa/Macdonald-Cartier International Airport to San Diego has landed and you've made your way through the terminal, expect a drive of around 40 minutes.

  • If you choose to travel on public transport, you'll get to the city centre in 2 hours 15 minutes or so.

  • Hang the 'Do not disturb' sign on your door and unwind at a hotel near CLD. Here are a few options where you can check in after your YOW to San Diego flight:

  • Budget, Hertz and Avis make picking up a McClellan-Palomar Airport rental car simple. These providers are located in or around the terminal and will get you on your way in no time.

  • Lock in the vehicle you want, not just what's left over, by reserving your ride from CLD before your arrival. You can also avoid paying extra, especially when the airport is busy.

Best time to go to San Diego

  • Before you book your flights from Ottawa/Macdonald-Cartier International Airport to San Diego, consider which time of year works best for you. Peak season in San Diego offers a lively atmosphere and plenty of things to do, while the off-season brings cheaper hotel deals and smaller crowds.

  • Book an Ottawa/Macdonald-Cartier International Airport to San Diego plane ticket with a departure in August if you want to visit the city during its warmest month. You can expect temperatures to range from 17ºC (63ºF) to 28ºC (82ºF).

  • February has average temperatures of between 7ºC (45ºF) and 23ºC (73ºF). Search for a cheap ticket from YOW to San Diego around that time if you like cooler conditions.

More about San Diego

  • Start your San Diego trip right by choosing the perfect place to stay. Once you've booked your flight from Ottawa/Macdonald-Cartier International Airport to San Diego, explore our range of hotels including:

  • There are so many things to do and see in this city it can be difficult to know where to start. USS Midway Museum, San Diego Zoo and SeaWorld San Diego are top attractions which should be on any well-planned San Diego itinerary.

Explore more of United States

  • San Diego is easy to fall in love with, but there are so many other corners of United States just waiting to be discovered. Around 110 miles north-west of San Diego, a visit to Los Angeles will keep you on the go. Start with popular sights like Griffith Observatory, The Broad and La Brea Tar Pits & Museum.

  • Phoenix is another favourite destination in United States and is around 300 miles east of San Diego. No trip is complete without visiting Desert Botanical Garden, Heard Museum and Papago Park.

Plan the rest of your trip from Ottawa to San Diego

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.