Cheap flights from Ottawa to San Diego from C$ 265
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 21/1. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SAN
6 Jan — 13 Jan1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
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
Enter your travel dates to find the best prices.
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 7 December 2025.
Wed 24/126:15 a.m.YOW - SAN
1 stop15h 26mUnited Airlines
Mon 29/125:10 p.m.SAN - YOW
2 stops21h 08mUnited Airlines
Deal found 5/12C$ 1,002
Sun 7/125:40 a.m.YOW - SAN
2 stops33h 05mWestJet
Sun 14/1212:35 p.m.SAN - YOW
1 stop25h 18mWestJet
Deal found 6/12C$ 1,046
Thu 25/126:00 a.m.YOW - SAN
1 stop8h 53mAir Canada
Tue 30/1212:40 p.m.SAN - YOW
1 stop9h 58mAir Canada
Deal found 6/12C$ 1,145
Sun 7/124:20 p.m.YOW - SAN
1 stop20h 28mMultiple Airlines
Wed 10/126:34 a.m.SAN - YOW
2 stops31h 39mMultiple Airlines
Deal found 5/12C$ 1,224
Thu 25/126:15 a.m.YOW - SAN
2 stops17h 32mUnited Airlines
Tue 30/125:40 p.m.SAN - YOW
3 stops20h 38mUnited Airlines
Deal found 6/12C$ 1,283
Sun 7/125:40 a.m.YOW - SAN
2 stops33h 05mWestJet
Wed 10/1212:35 p.m.SAN - YOW
1 stop9h 05mWestJet
Deal found 5/12C$ 1,304
Best flights from Ottawa to San Diego
Discover carefully curated flight deals from Ottawa to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 7 December 2025.
Wed 22/46:52 a.m.YOW - SAN
2 stops13h 27mUnited Airlines
Mon 27/48:40 p.m.SAN - YOW
2 stops10h 23mUnited Airlines
Deal found 5/12C$ 583
Thu 29/15:00 a.m.YOW - SAN
1 stop9h 53mAir Canada
Sun 1/26:05 p.m.SAN - YOW
1 stop9h 38mAir Canada
Deal found 5/12C$ 583
Wed 1/410:00 a.m.YOW - SAN
1 stop8h 20mUnited Airlines
Wed 8/48:40 p.m.SAN - YOW
2 stops14h 05mUnited Airlines
Deal found 5/12C$ 583
Wed 21/15:00 a.m.YOW - SAN
1 stop9h 53mAir Canada
Sun 25/16:05 p.m.SAN - YOW
1 stop9h 38mAir Canada
Deal found 5/12C$ 583
Mon 12/15:11 p.m.YOW - SAN
1 stop8h 22mUnited Airlines
Mon 19/18:37 p.m.SAN - YOW
2 stops17h 35mUnited Airlines
Deal found 5/12C$ 583
Thu 29/16:20 a.m.YOW - SAN
2 stops13h 16mUnited Airlines
Sun 1/26:15 a.m.SAN - YOW
2 stops12h 41mUnited Airlines
Deal found 5/12C$ 583
Mon 13/42:40 p.m.YOW - SAN
2 stops23h 23mUnited Airlines
Wed 15/49:35 p.m.SAN - YOW
1 stop9h 28mUnited Airlines
Deal found 4/12C$ 583
Wed 21/19:45 a.m.YOW - SAN
2 stops10h 43mUnited Airlines
Sun 25/17:00 a.m.SAN - YOW
1 stop7h 12mUnited Airlines
Deal found 5/12C$ 583
Last-minute flights from Ottawa to San Diego
Discover last-minute flight deals from Ottawa to San Diego. Data last updated 7 December 2025 and is based on user searches.
Sun 4/19:25 a.m.YOW - SAN
2 stops36h 01mMultiple Airlines
Sun 11/112:35 p.m.SAN - YOW
1 stop22h 47mMultiple Airlines
Deal found 5/12C$ 689
Mon 5/14:40 p.m.YOW - SAN
1 stop20h 20mMultiple Airlines
Mon 12/11:04 p.m.SAN - YOW
2 stops32h 38mMultiple Airlines
Deal found 6/12C$ 671
Mon 12/18:25 p.m.YOW - SAN
1 stop18h 28mAir Canada
Mon 19/16:05 p.m.SAN - YOW
1 stop9h 38mAir Canada
Deal found 5/12C$ 611
Wed 14/16:20 a.m.YOW - SAN
1 stop8h 28mUnited Airlines
Thu 22/110:52 a.m.SAN - YOW
1 stop7h 26mUnited Airlines
Deal found 6/12C$ 584
Thu 15/16:00 a.m.YOW - SAN
1 stop8h 53mAir Canada
Thu 22/16:05 p.m.SAN - YOW
1 stop18h 41mAir Canada
Deal found 6/12C$ 604
Mon 19/19:40 a.m.YOW - SAN
1 stop28h 52mMultiple Airlines
Mon 26/112:35 p.m.SAN - YOW
2 stops23h 10mMultiple Airlines
Deal found 5/12C$ 575
Mon 19/16:00 a.m.YOW - SAN
1 stop8h 53mAir Canada
Mon 26/16:05 p.m.SAN - YOW
1 stop9h 38mAir Canada
Deal found 5/12C$ 659
Wed 21/12:15 p.m.YOW - SAN
2 stops12h 27mUnited Airlines
Sun 25/16:55 p.m.SAN - YOW
2 stops16h 32mUnited Airlines
Deal found 7/12C$ 588
Wed 21/16:45 a.m.YOW - SAN
2 stops18h 41mAmerican Airlines
Sun 25/11:58 p.m.SAN - YOW
2 stops23h 55mAmerican Airlines
Deal found 5/12C$ 696
Thu 29/19:30 a.m.YOW - SAN
1 stop13h 59mMultiple Airlines
Sun 1/210:51 a.m.SAN - YOW
2 stops27h 02mMultiple Airlines
Deal found 4/12C$ 582
Thu 29/16:20 a.m.YOW - SAN
2 stops13h 16mUnited Airlines
Sun 1/26:15 a.m.SAN - YOW
2 stops12h 41mUnited Airlines
Deal found 5/12C$ 583
One-way flights from Ottawa to San Diego
Search for one-way flight options from Ottawa to San Diego. Find affordable one-way fares based on user searches. Data last updated 7 December 2025.
Wed 21/15:40 a.m.YOW - SAN
3 stops35h 21mMultiple Airlines
Deal found 6/12C$ 265
Mon 19/15:40 a.m.YOW - SAN
3 stops40h 53mMultiple Airlines
Deal found 5/12C$ 294
Wed 14/17:00 a.m.YOW - SAN
3 stops28h 21mMultiple Airlines
Deal found 6/12C$ 301
Mon 19/12:15 p.m.YOW - SAN
1 stop9h 32mUnited Airlines
Deal found 5/12C$ 329
Wed 14/16:00 a.m.YOW - SAN
1 stop8h 53mAir Canada
Deal found 6/12C$ 332
Wed 21/16:00 a.m.YOW - SAN
1 stop8h 53mAir Canada
Deal found 6/12C$ 333
Sun 28/125:45 p.m.YOW - SAN
1 stop21h 00mWestJet
Deal found 6/12C$ 688
Sun 28/126:55 p.m.YOW - SAN
2 stops40h 50mMultiple Airlines
Deal found 6/12C$ 774
Fri 2/15:00 a.m.YOW - SAN
2 stops16h 41mUnited Airlines
Deal found 4/12C$ 779
Sat 27/129:10 a.m.YOW - SAN
2 stops50h 35mMultiple Airlines
Deal found 5/12C$ 825
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 7 December 2025.
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 7 December 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
Wed 22/4
6:52 a.m.-5:19 p.m.
2 stops13h 27m
San Diego
Mon 27/4
8:40 p.m.-10:03 a.m.
2 stops10h 23m
C$ 583
OttawaSan Diego
YOW - SAN
YOWSAN
Ottawa
Thu 29/1
5:00 a.m.-11:53 a.m.
1 stop9h 53m
San Diego
Sun 1/2
6:05 p.m.-6:43 a.m.
1 stop9h 38m
C$ 583
OttawaSan Diego
YOW - SAN
YOWSAN
Ottawa
Wed 1/4
10:00 a.m.-3:20 p.m.
1 stop8h 20m
San Diego
Wed 8/4
8:40 p.m.-1:45 p.m.
2 stops14h 05m
C$ 583
OttawaSan Diego
YOW - SAN
YOWSAN
Ottawa
Wed 21/1
5:00 a.m.-11:53 a.m.
1 stop9h 53m
San Diego
Sun 25/1
6:05 p.m.-6:43 a.m.
1 stop9h 38m
C$ 583
OttawaSan Diego
YOW - SAN
YOWSAN
Ottawa
Mon 12/1
5:11 p.m.-10:33 p.m.
1 stop8h 22m
San Diego
Mon 19/1
8:37 p.m.-5:12 p.m.
2 stops17h 35m
C$ 583
OttawaSan Diego
YOW - SAN
YOWSAN
Ottawa
Thu 29/1
6:20 a.m.-4:36 p.m.
2 stops13h 16m
San Diego
Sun 1/2
6:15 a.m.-9:56 p.m.
2 stops12h 41m
C$ 583
OttawaSan Diego
YOW - SAN
YOWSAN
Ottawa
Mon 13/4
2:40 p.m.-11:03 a.m.
2 stops23h 23m
San Diego
Wed 15/4
9:35 p.m.-10:03 a.m.
1 stop9h 28m
C$ 583
OttawaSan Diego
YOW - SAN
YOWSAN
Ottawa
Wed 21/1
9:45 a.m.-5:28 p.m.
2 stops10h 43m
San Diego
Sun 25/1
7:00 a.m.-5:12 p.m.
1 stop7h 12m
C$ 583
OttawaSan Diego
YOW - SAN
YOWSAN
Ottawa
Wed 21/1
5:40 a.m.-2:01 p.m.
3 stops35h 21m
C$ 265
OttawaSan Diego
YOW - SAN
YOWSAN
Ottawa
Mon 19/1
5:40 a.m.-7:33 p.m.
3 stops40h 53m
C$ 294
Flights are sorted by cheapest round-trip flights first.
Deals found on 6/12
Showing 1-10 of 17 results
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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
Prices
More
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 5 December 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, January is the cheapest month in which you can book a flight from Ottawa to San Diego (average of C$ 181). Flying from Ottawa to San Diego in September is currently the most expensive (average of C$ 355). 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 7 December 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 16% on airfare.
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.
Chicago (ORD) – chosen by Cheapflights users on 45% 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 14m.
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 Newark (EWR) offer the fastest connection on this route, with an average layover time of 1h 19m.
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 7 December 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.
It's good. Planes are new and fresh. WiFi is best and stands out
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 53m. 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$ 261, United Airlines will fly you from Ottawa to San Diego and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Porter Airlines and WestJet - these airlines can fly you to your destination from C$ 332 and C$ 348, respectively. United Airlines is currently priced 54% below the average price you’ll pay for this route.
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 C$ 181). Flying from Ottawa to San Diego in September is currently the most expensive (average of C$ 355). 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.
Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 7 December 2025.
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 7 December 2025.
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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