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Cheap Flights from Ottawa (YOWA) to San Diego (SANA)

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      Travellers and cabin class, 1 Adult, Economy

      Compare Ottawa to San Diego flight deals

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

      Book the best San Diego fare with no extra fees

      Flight deals from Ottawa to San Diego

      Looking for a cheap last-minute deal or the best return flight from Ottawa to San Diego? If you want to travel next month, return fares start from $469. Find the lowest prices on one-way and return tickets right here.
      San Diego.$431 per passenger.Departing Mon, 5 Oct, returning Fri, 9 Oct.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Mon, 5 Oct, arriving in San Diego International.Inbound indirect flight with WestJet, departs from San Diego International on Fri, 9 Oct, arriving in Ottawa International.Price includes taxes and charges.From $431, select.
      San Diego.$469 per passenger.Departing Fri, 4 Sep, returning Sun, 6 Sep.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Fri, 4 Sep, arriving in San Diego International.Inbound indirect flight with WestJet, departs from San Diego International on Sun, 6 Sep, arriving in Ottawa International.Price includes taxes and charges.From $469, select.
      San Diego.$525 per passenger.Departing Tue, 29 Sep, returning Tue, 13 Oct.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Tue, 29 Sep, arriving in San Diego International.Inbound indirect flight with WestJet, departs from San Diego International on Tue, 13 Oct, arriving in Ottawa International.Price includes taxes and charges.From $525, select.
      San Diego.$573 per passenger.Departing Sat, 7 Nov, returning Mon, 16 Nov.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Ottawa International on Sat, 7 Nov, arriving in San Diego International.Inbound indirect flight with Air Canada, departs from San Diego International on Mon, 16 Nov, arriving in Ottawa International.Price includes taxes and charges.From $573, select.
      San Diego.$582 per passenger.Departing Tue, 1 Dec, returning Mon, 7 Dec.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Tue, 1 Dec, arriving in San Diego International.Inbound indirect flight with WestJet, departs from San Diego International on Mon, 7 Dec, arriving in Ottawa International.Price includes taxes and charges.From $582, select.
      San Diego.$598 per passenger.Departing Wed, 28 Oct, returning Thu, 5 Nov.Return flight with United.Outbound indirect flight with United, departs from Ottawa International on Wed, 28 Oct, arriving in San Diego International.Inbound indirect flight with United, departs from San Diego International on Thu, 5 Nov, arriving in Ottawa International.Price includes taxes and charges.From $598, select.
      San Diego.$719 per passenger.Departing Sat, 19 Sep, returning Thu, 26 Nov.Return flight with United.Outbound indirect flight with United, departs from Ottawa International on Sat, 19 Sep, arriving in San Diego International.Inbound indirect flight with United, departs from San Diego International on Thu, 26 Nov, arriving in Ottawa International.Price includes taxes and charges.From $719, select.
      San Diego.$732 per passenger.Departing Fri, 8 Jan, returning Sat, 16 Jan.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Fri, 8 Jan, arriving in San Diego International.Inbound indirect flight with WestJet, departs from San Diego International on Sat, 16 Jan, arriving in Ottawa International.Price includes taxes and charges.From $732, select.
      San Diego.$973 per passenger.Departing Fri, 25 Dec, returning Mon, 4 Jan.Return flight with United.Outbound indirect flight with United, departs from Ottawa International on Fri, 25 Dec, arriving in San Diego International.Inbound indirect flight with United, departs from San Diego International on Mon, 4 Jan, arriving in Ottawa International.Price includes taxes and charges.From $973, select.
      San Diego.$1,005 per passenger.Departing Mon, 31 Aug, returning Fri, 4 Sep.Return flight with United.Outbound indirect flight with United, departs from Ottawa International on Mon, 31 Aug, arriving in San Diego International.Inbound indirect flight with United, departs from San Diego International on Fri, 4 Sep, arriving in Ottawa International.Price includes taxes and charges.From $1,005, select.
      San Diego.$2,151 per passenger.Departing Thu, 20 Aug, returning Thu, 27 Aug.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Thu, 20 Aug, arriving in San Diego International.Inbound indirect flight with WestJet, departs from San Diego International on Thu, 27 Aug, arriving in Ottawa International.Price includes taxes and charges.From $2,151, select.

      Find the cheapest month to fly from Ottawa to San Diego

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ottawa to San Diego flights are currently cheapest in October.
      Aug
      from $2,151
      Sep
      from $469
      Oct
      from $431
      Nov
      from $573
      Dec
      from $582
      Jan
      from $732
      Feb
      Find prices
      Mar
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      Apr
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      May
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      Jun
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      Jul
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      Alternative Ottawa to San Diego routes

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

      San Diego International

      4km from central San Diego
      ClosestCheapest
      from $431
      Search flights

      McClellan-Palomar

      48km from central San Diego
      Search flights

      Ottawa to San Diego: Flight information

      The things to know before you go.
      Cheapest flight found$431
      Cheapest month to flyOctober

      Finding cheap flights from Ottawa 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 to San Diego is $431. 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 to San Diego. But we found flights with one or more stops from $431.
      As of August 2026, there are no flights flying from Ottawa to San Diego.
      The cheapest month to fly from Ottawa to San Diego is usually October.
      If you're flying from Ottawa, 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 $431.
      After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Ottawa to San Diego on Monday, 5 October 2026.
      No airlines currently offer direct flights between Ottawa 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 August, the average temperature is usually around 23°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.
      The cheapest airline that flies to San Diego is WestJet .

      Flying from Ottawa to San Diego: what you need to know

      • Ottawa's main base, Ottawa International Airport (YOW), is where countless incredible trips begin. Explore the departure options from here when planning your flight from Ottawa to San Diego.

      • Disembark at San Diego's major arrival point, San Diego International Airport (SAN).

      • The timezone in San Diego is UTC-8, which is three hours behind Ottawa.

      • Leave enough time to catch your Ottawa to San Diego flight. It's generally best to arrive at least two hours before international departures and an hour ahead for domestic flights.

      • Be prepared for bigger queues in popular months like July. Arriving up to four hours ahead of international flights and two hours for domestic departures is a good idea.

      How to find the cheapest flights from Ottawa to San Diego

      • Don't leave everything to the last moment. You're more likely to find cheap Ottawa to San Diego flights if you book early. Airlines often offer some great early bird deals.

      • If you're willing to be flexible with your trip dates, try using the 'Whole month' search tool. It'll show you the lowest price in each month when searching for your plane ticket from Ottawa to San Diego.

      • There's no need to check back in every day to find out if fares have dropped when you create a Price Alert. We'll notify you as soon as a better deal comes up on cheap flights from Ottawa to San Diego.

      • Tailor your trip using filters. Select your departure and arrival times, total journey duration and airlines. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest' Ottawa to San Diego flights.

      Flying from Ottawa

      Ottawa International Airport (YOW)

      • YOW is about 11 kilometres from central Ottawa. If you're ride-sharing, catching a taxi or driving from the centre, it'll take you 20 minutes or so to get there, depending on traffic conditions. If you're using public transport, expect the trip time to be around 35 minutes.

      • Want a handy hotel close to Ottawa International Airport? If you've booked an early flight from Ottawa to San Diego, these accommodation options will have you moments from check-in:

      • Of the departures from Ottawa International Airport, 65% arrive on time at their destination.

      • You'll find YOW at 50 Airport Road.

      Arriving in San Diego

      San Diego International Airport (SAN)

      • San Diego International Airport (SAN) is approximately 5 kilometres from the centre of San Diego. If you're catching a taxi or a ride-share, the drive takes around 15 minutes.

      • Travelling to the centre on public transport takes roughly 25 minutes.

      • Consider booking a hotel near SAN if you have a late flight from Ottawa to San Diego. Settle into one of these options and avoid the hassle of a long transfer:

      • Pick up a San Diego International Airport rental car and discover San Diego and beyond with your own wheels. Thrifty, Dollar and Budget are popular outlets to choose from here.

      • Get the best deal by booking your vehicle from San Diego International Airport around two weeks ahead of your trip.

      • SAN is located at N Harbour Dr.

      McClellan-Palomar Airport (CLD)

      • As soon as your flight from Ottawa to San Diego has hit the tarmac, you can get to the city centre in around 35 minutes by car. Central San Diego is approximately 48 kilometres from McClellan-Palomar Airport (CLD).

      • The trip will take approximately 1 hour 30 minutes on public transport.

      • You'll find some great places to lay your head close to CLD. Unwind after your Ottawa to San Diego flight at any of these well-located options:

      • Budget, Hertz and Avis make collecting a McClellan-Palomar Airport rental car quick and easy. These trusted companies are located in or around the terminal and will have you on your way in a heartbeat.

      • Lock in the vehicle you want, not just what's left, by reserving your ride from CLD in advance. You'll also avoid last-minute price hikes, especially when demand is high.

      Best time to go to San Diego

      • August is the busiest month for flights from Ottawa to San Diego. To escape the crowds, go to San Diego in March.

      • When booking your Ottawa to San Diego tickets, think about what kind of weather works for you. August is the warmest month in San Diego, with temperatures ranging from 16ºC (61ºF) to 27ºC (81ºF).

      • Look for cheap flights from Ottawa to San Diego in February if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 8ºC (46ºF) and 22ºC (72ºF) on average.

      More about San Diego

      Explore more of the United States

      • You've visited San Diego, now it's time to discover more of the United States. Travel about 177 kilometres northwest to Los Angeles to check off its popular sights. From Hollywood Sign to Universal Studios Hollywood and Hollywood Bowl, there's plenty to keep you busy.

      • Around 483 kilometres east of San Diego, Phoenix is another favourite stop in the United States. Experience major highlights starting with Camelback Mountain, Yayoi Kusama Fireflies Infinity Mirror Room and Heard Museum.

      Plan smart, explore more

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      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 12 days.