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Cheap flights from Ottawa to San Diego from C$ 243

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 30/9. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SAN
23 Aug — 30 Aug1
1 adult

Cheapflights Tip: The best prices from Ottawa to San Diego are usually found in May or June, booked 18 days in advance, depart on a Monday or Wednesday and return on a Tuesday

Cheap flight deals from Ottawa to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 August 2025.

Round-trip from

C$ 467

One-way from

C$ 243

Popular in

October

Cheapest in

May

Average price

C$ 627
WestJet
  • WestJet
  • 8/9-13/9
  • 2 total stops
  • 24h 00m total
  • Ottawa to San Diego
Search Deals
30/9
  • 30/9
  • 2 total stops
  • 17h 24m total
  • Ottawa to San Diego
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Ottawa to San Diego

Cheapest flights from Ottawa to San Diego
Explore the most affordable flight options available from Ottawa to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 August 2025.

Mon 8/96:00 a.m.YOW - SAN
1 stop10h 20mWestJet
Sat 13/92:05 p.m.SAN - YOW
1 stop13h 40mWestJet
Deal found 16/8C$ 467
Tue 25/115:15 a.m.YOW - SAN
1 stop9h 23mAir Canada
Tue 2/126:10 p.m.SAN - YOW
1 stop9h 33mAir Canada
Deal found 16/8C$ 479
Tue 16/910:37 a.m.YOW - SAN
1 stop10h 43mUnited Airlines
Mon 22/99:45 p.m.SAN - YOW
1 stop9h 13mUnited Airlines
Deal found 16/8C$ 488
Wed 17/125:14 p.m.YOW - SAN
1 stop8h 16mUnited Airlines
Sun 4/110:45 p.m.SAN - YOW
1 stop15h 33mUnited Airlines
Deal found 15/8C$ 489
Sun 14/96:00 a.m.YOW - SAN
1 stop10h 20mMultiple Airlines
Tue 23/96:15 a.m.SAN - YOW
2 stops21h 30mMultiple Airlines
Deal found 16/8C$ 504
Sun 14/96:00 a.m.YOW - SAN
1 stop10h 20mWestJet
Mon 22/92:05 p.m.SAN - YOW
2 stops23h 14mWestJet
Deal found 16/8C$ 520
Sun 14/99:55 p.m.YOW - SAN
1 stop18h 25mAir Canada
Tue 23/912:25 p.m.SAN - YOW
1 stop8h 54mAir Canada
Deal found 16/8C$ 533
Sun 14/99:55 p.m.YOW - SAN
1 stop18h 25mAir Canada
Mon 22/92:20 p.m.SAN - YOW
1 stop15h 03mAir Canada
Deal found 16/8C$ 566
Tue 16/95:15 p.m.YOW - SAN
2 stops23h 05mWestJet
Mon 22/92:05 p.m.SAN - YOW
2 stops23h 14mWestJet
Deal found 16/8C$ 571
Sat 15/1110:50 a.m.YOW - SAN
2 stops11h 02mAir Canada
Thu 20/1111:20 a.m.SAN - YOW
2 stops11h 18mAir Canada
Deal found 17/8C$ 582

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa 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 18 August 2025.
Use the filters below to find and compare flights from Ottawa to San Diego that are best for you.

Fly from

Ottawa

Fly to

San Diego

Route

Depart

Return

Price

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Mon 8/9

6:00 a.m.-1:20 p.m.

1 stop10h 20m

San Diego

Sat 13/9

2:05 p.m.-6:45 a.m.

1 stop13h 40m

C$ 467

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Tue 25/11

5:15 a.m.-11:38 a.m.

1 stop9h 23m

San Diego

Tue 2/12

6:10 p.m.-6:43 a.m.

1 stop9h 33m

C$ 479

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Tue 16/9

6:33 a.m.-1:40 p.m.

2 stops10h 07m

San Diego

Tue 23/9

8:05 a.m.-9:35 p.m.

2 stops10h 30m

C$ 488

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Tue 16/9

6:33 a.m.-1:40 p.m.

2 stops10h 07m

San Diego

Sun 21/9

10:40 p.m.-11:45 a.m.

1 stop10h 05m

C$ 488

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Mon 15/9

5:25 p.m.-10:02 p.m.

1 stop7h 37m

San Diego

Tue 23/9

6:15 a.m.-9:35 p.m.

2 stops12h 20m

C$ 488

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Tue 16/9

10:37 a.m.-6:20 p.m.

1 stop10h 43m

San Diego

Mon 22/9

9:45 p.m.-9:58 a.m.

1 stop9h 13m

C$ 488

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Mon 15/9

5:25 p.m.-10:02 p.m.

1 stop7h 37m

San Diego

Mon 22/9

5:56 p.m.-2:04 p.m.

3 stops17h 08m

C$ 488

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Tue 30/9

7:00 a.m.-9:24 p.m.

2 stops17h 24m

C$ 243

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Wed 10/9

3:45 p.m.-7:29 a.m.

2 stops18h 44m

C$ 251

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Wed 10/9

6:00 a.m.-1:20 p.m.

1 stop10h 20m

C$ 268

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/8

Showing 1-10 of 16 results
1
2

Best time to book a flight from Ottawa to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Ottawa 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 Ottawa to San Diego

How far ahead should I book a flight from Ottawa to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from Ottawa to San Diego. Price data was last updated on 8 August 2025.

To ensure you get the cheapest price possible for a flight from Ottawa to San Diego, you should look to book at least 18 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Ottawa to San Diego?

Currently, May is the cheapest month in which you can book a flight from Ottawa to San Diego (average of C$ 289). Flying from Ottawa to San Diego in November is currently the most expensive (average of C$ 390). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from Ottawa 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 18 August 2025.

One of the essential ways to save on airfare from Ottawa to San Diego is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 17% on airfare.

What is the cheapest day to fly from Ottawa to San Diego?

Use this chart to determine the cheapest time to fly round-trip from Ottawa to San Diego. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Ottawa to San Diego flight should consider departing on Sunday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

What’s the top layover airport for flights from Ottawa to San Diego?

Share of one-stop round-trip flights from Ottawa to San Diego chosen by Cheapflights users in the past 12 months, using the same layover each way.

Toronto (YYZ) – chosen by Cheapflights users on 51% of one-stop itineraries from Ottawa to San Diego on Cheapflights.

What’s the cheapest layover airport for flights from Ottawa to San Diego?

Average round-trip fare for 1-stop flights from Ottawa to San Diego, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Calgary (YYC) is the most affordable 1-stop option, with an average round-trip price of C$ 412.

What’s the fastest layover option from Ottawa to San Diego?

Shortest average travel time for 1-stop one-way flights from Ottawa to San Diego, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Montreal (YUL) have the shortest average one-way travel time for 1-stop routes: 8h 10m.

Which airport typically offers the quickest layover for flights from Ottawa to San Diego?

Average layover duration for 1-stop one-way flights from Ottawa to San Diego, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Washington, D.C. (IAD) offer the fastest connection on this route, with an average layover time of 1h 27m.

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 18 August 2025.
See what other customers who have flown with Porter Airlines,United Airlines, andWestJet from Ottawa to San Diego have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
334 reviews
Check prices

Crew

8.7

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Porter Airlines
8.0
Very good
334 reviews
Porter Airlines
8.0
Very good
334 reviews
Check prices

Crew

8.7

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
United Airlines
7.4
Good
8,925 reviews
Porter Airlines
8.0
Very good
334 reviews
Check prices

Crew

8.7

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
WestJet
7.2
Good
3,023 reviews
Porter Airlines
8.0
Very good
334 reviews
Check prices

Crew

8.7

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Air Canada
7.1
Good
9,992 reviews
Porter Airlines
8.0
Very good
334 reviews
Check prices

Crew

8.7

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Related info for your journey

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

  • How long is the flight from Ottawa to San Diego?

    Departing from Ottawa to San Diego will take you 9h 23m. The distance between Ottawa and San Diego is about 3798 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from Ottawa to San Diego round-trip?

    Currently priced at C$ 334, Porter Airlines will fly you from Ottawa to San Diego and back. In addition to Porter Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Air Canada - these airlines can fly you to your destination from C$ 357 and C$ 358, respectively. Porter Airlines is currently priced 42% below the average price you’ll pay for this route.

  • Can I find deals for flights from Ottawa to San Diego that include hotel bookings?

    Yes. In addition to deals on Ottawa to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to San Diego.

  • Can I find deals for business class flights from Ottawa to San Diego?

    Yes. Cheapflights offers flight deals from Ottawa 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.

  • What is the cheapest month to book a flight from Ottawa to San Diego?

    Currently, May is the cheapest month in which you can book a flight from Ottawa to San Diego (average of C$ 289). Flying from Ottawa to San Diego in November is currently the most expensive (average of C$ 390). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near San Diego?

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

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Top 4 airlines flying from Ottawa to San Diego

Discover the top 4 airlines that operate flights from Ottawa 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 18 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 334AverageC$ 542FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 357AverageC$ 573FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 358AverageC$ 668FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 388AverageC$ 442FlexibilityNo cancel feeOn-time60%
Search WestJet 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 Ottawa to San Diego?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to San Diego from Ottawa today with Cheapflights!

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

Millions of users choose and trust Cheapflights to book the best flight deals from Ottawa to San Diego for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ottawa to San Diego, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights offers price alerts on Ottawa to San Diego flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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