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San Diego

$211+ 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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SAN
Jul 13 — Jul 201
Mon 7/13
Mon 7/20
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 June 13, 2026.

This oojo deal was found by Cheapflights users on 6/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:00 am
YOW
-
SAN
1 stop11h 10m
WestJet
Fri 9/183:30 pm
SAN
-
YOW
1 stop11h 05m
WestJet
Deal found 6/13$375
This oojo deal was found by Cheapflights users on 6/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/37:20 am
YOW
-
SAN
1 stop9h 50m
WestJet
Fri 8/73:30 pm
SAN
-
YOW
1 stop11h 05m
WestJet
Deal found 6/10$376
This oojo deal was found by Cheapflights users on 6/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:15 pm
YOW
-
SAN
2 stops22h 55m
WestJet
Fri 9/43:30 pm
SAN
-
YOW
1 stop11h 05m
WestJet
Deal found 6/10$387
This oojo deal was found by Cheapflights users on 6/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/164:15 pm
YOW
-
SAN
1 stop24h 55m
WestJet
Tue 7/213:30 pm
SAN
-
YOW
1 stop11h 05m
WestJet
Deal found 6/10$403
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Sat 9/195:20 pm
YOW
-
SAN
1 stop7h 50m
United Airlines
Tue 9/228:45 am
SAN
-
YOW
2 stops10h 50m
United Airlines
Deal found 6/12$409

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 June 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$375
(oojo)

One-way from

$211
(oojo)

Popular in

October

Cheapest in

November

Average price

$461
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. 7% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 13, 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
Quickest round-trip

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Sat 9/19

6:00 am-11:25 am

1 stop8h 25m

San Diego

Tue 9/22

10:40 am-9:35 pm

1 stop7h 55m

$409

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Fri 9/4

6:25 am-7:55 pm

2 stops16h 30m

San Diego

Fri 9/18

5:00 pm-2:17 pm

2 stops18h 17m

$410

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Tue 11/10

6:00 am-5:10 pm

2 stops14h 10m

San Diego

Mon 11/16

2:30 pm-10:39 am

2 stops17h 09m

$423

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Tue 11/17

6:00 am-12:53 pm

1 stop9h 53m

San Diego

Thu 12/10

4:10 pm-9:11 am

2 stops14h 01m

$423

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Mon 9/14

6:00 am-5:26 pm

2 stops14h 26m

San Diego

Wed 9/16

5:00 pm-9:56 am

2 stops13h 56m

$486
Cheapest one-way

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Fri 8/28

6:15 pm-2:10 pm

2 stops22h 55m

$223

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Wed 9/16

10:37 am-8:02 pm

2 stops12h 25m

$235

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Sat 8/29

12:25 pm-8:58 pm

3 stops35h 33m

$237

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Fri 7/10

12:25 pm-8:06 pm

3 stops34h 41m

$237

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Sat 7/18

3:10 pm-11:40 pm

1 stop11h 30m

$287

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 12 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 June.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
CheapTicketsDealPrice 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, November is the cheapest month in which you can book a flight from Ottawa to San Diego (average of $405). Flying from Ottawa to San Diego in October is currently the most expensive (average of $688). 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?

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 June 13, 2026.
Get a feel of what it's like to fly with United Airlines and Air Canada 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
9,815 reviews

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
9,815 reviews
United Airlines
7.4
Good
9,815 reviews

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Air Canada
7.1
Good
11,172 reviews
United Airlines
7.4
Good
9,815 reviews

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

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 25m. United Airlines provides one of the quickest options available for as low as $409. The distance between Ottawa and San Diego is about 2360 mi.

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

    Air Canada, at $277, was found to be the cheapest airline from Ottawa to San Diego. An alternate airline flying to your destination would be United Airlines. Air Canada is currently priced 43% 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, November is the cheapest month in which you can book a flight from Ottawa to San Diego (average of $405). Flying from Ottawa to San Diego in October is currently the most expensive (average of $688). 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
Coronado
La Mesa
Santee
Julian
Lemon Grove

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Ottawa to San Diego

Discover the top 2 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 2,558,603 searches. Data last updated June 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$277Average$585FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$293Average$414FlexibilityNo cancel feeOn-time69%

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