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San Diego

$198+ Cheap flights from Ottawa (YOW) to San Diego (SAN)

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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SAN
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Cheap 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 July 27, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:20 am
YOW
-
SAN
2 stops15h 57m
Multiple Airlines
Tue 9/293:30 pm
SAN
-
YOW
1 stop11h 05m
Multiple Airlines
Deal found 7/26$367
This Trip.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:00 am
YOW
-
SAN
1 stop9h 40m
WestJet
Mon 11/2312:35 pm
SAN
-
YOW
1 stop24h 15m
WestJet
Deal found 7/23$395
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:20 am
YOW
-
SAN
1 stop9h 50m
WestJet
Thu 8/273:30 pm
SAN
-
YOW
2 stops17h 05m
WestJet
Deal found 7/23$409
This Air Canada deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:35 pm
YOW
-
SAN
1 stop9h 01m
Air Canada
Tue 11/312:55 pm
SAN
-
YOW
1 stop9h 45m
Air Canada
Deal found 7/26$412
This United Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:30 pm
YOW
-
SAN
1 stop18h 47m
United Airlines
Thu 8/279:45 pm
SAN
-
YOW
1 stop9h 11m
United Airlines
Deal found 7/23$413
This WestJet deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:20 am
YOW
-
SAN
1 stop9h 50m
WestJet
Sat 9/193:30 pm
SAN
-
YOW
1 stop11h 05m
WestJet
Deal found 7/25$425
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:20 am
YOW
-
SAN
1 stop9h 50m
WestJet
Tue 9/293:30 pm
SAN
-
YOW
1 stop22h 45m
WestJet
Deal found 7/26$430
This FlightHub deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:25 pm
YOW
-
SAN
2 stops28h 45m
WestJet
Mon 11/212:35 pm
SAN
-
YOW
2 stops33h 07m
WestJet
Deal found 7/26$432
This Air Canada deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/252:45 pm
YOW
-
SAN
1 stop8h 51m
Air Canada
Tue 9/291:10 pm
SAN
-
YOW
1 stop8h 35m
Air Canada
Deal found 7/23$434
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:20 am
YOW
-
SAN
2 stops28h 01m
Multiple Airlines
Tue 9/293:30 pm
SAN
-
YOW
1 stop11h 05m
Multiple Airlines
Deal found 7/23$446

Find 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 July 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$367
(Kiwi.com)

One-way from

$198
(oojo)

Popular in

October

Cheapest in

January

Average price

$494
Provider with most accurate pricing for Ottawa-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ottawa-San Diego flights.
Search Deals
From Ottawa to San Diego
Search Deals
One-way flight from Ottawa to San Diego
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 2,558,603 searches. Data last updated July 27, 2026.
Use the filters below to find and compare flights from Ottawa to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Sat 11/14

6:00 am-12:40 pm

1 stop9h 40m

San Diego

Mon 11/23

12:35 pm-12:42 am

2 stops33h 07m

$404

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Thu 8/20

6:25 am-9:25 pm

2 stops18h 00m

San Diego

Thu 8/27

8:00 am-11:54 pm

2 stops12h 54m

$413

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Tue 9/15

7:20 am-2:10 pm

1 stop9h 50m

San Diego

Sat 9/19

3:30 pm-5:35 am

1 stop11h 05m

$425
Quickest round-trip

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Fri 9/25

2:45 pm-8:36 pm

1 stop8h 51m

San Diego

Tue 9/29

1:10 pm-12:45 am

1 stop8h 35m

$434

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Thu 10/1

10:37 am-8:08 pm

2 stops12h 31m

San Diego

Tue 11/3

4:01 pm-1:11 pm

2 stops18h 10m

$455

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Tue 9/15

6:25 am-5:09 pm

2 stops13h 44m

San Diego

Sat 9/19

6:30 am-11:54 pm

2 stops14h 24m

$478

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Thu 9/24

6:00 am-3:40 pm

2 stops12h 40m

San Diego

Tue 9/29

7:41 pm-1:59 pm

2 stops15h 18m

$478
Cheapest one-way

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Wed 9/16

7:20 am-2:10 pm

1 stop9h 50m

$198

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Sun 9/13

7:20 am-2:10 pm

1 stop9h 50m

$198

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Sun 9/6

6:55 am-4:10 pm

1 stop12h 15m

$216

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

Compare providers for flights from Ottawa to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ottawa to San Diego in July.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ottawa-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ottawa-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ottawa-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ottawa-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ottawa-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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?

The best time to book flights from Ottawa to San Diego is 52 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Ottawa to San Diego (average of $442). Flying from Ottawa to San Diego in October is currently the most expensive (average of $687). 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.

How much does it cost to fly round-trip from Ottawa to San Diego?

Airfare is below average for this route at the moment.

Ottawa to San Diego flights typically cost between $414 and $784 in September.
The cheapest round-trip price found within the last 5 days was $367 on Multiple Airlines (Sep 24-Sep 29).

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 July 27, 2026.
Get a feel of what it's like to fly with United Airlines from Ottawa to San Diego by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,041 reviews

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
United Airlines
7.4
Good
10,041 reviews
United Airlines
7.4
Good
10,041 reviews

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a 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?

    A quick flight from Ottawa to San Diego can take about 8h 51m. WestJet provides one of the quickest options available for as low as $434. The distance between Ottawa and San Diego is about 2360 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Ottawa to San Diego round-trip?

    United Airlines, at $354, was found to be the cheapest airline from Ottawa to San Diego.. United Airlines is currently priced 31% 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, January is the cheapest month in which you can book a flight from Ottawa to San Diego (average of $442). Flying from Ottawa to San Diego in October is currently the most expensive (average of $687). 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

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
National City
Chula Vista
Poway
La Mesa
Coronado
Santee
San Ysidro
Julian
Lemon Grove

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Ottawa to San Diego

Discover the top airline 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 2,558,603 searches. Data last updated July 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$354Average$420FlexibilityNo cancel feeOn-time69%

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