Cheap flights from Ottawa to San Diego from C$ 231

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to San Diego departing on 23/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Ottawa to San Diego

Cheap round-trip flights

 Logo
5:55 a.m. - 9:20 p.m.YOW-SAN
18h 25m2 stops
 Logo
12:35 p.m. - 12:40 a.m.SAN-YOW
9h 05m1 stop
C$ 397
Find Deal
Wed, 22 Oct - Wed, 29 Oct
Air Canada Logo
5:15 a.m. - 11:38 a.m.YOW-SAN
9h 23m1 stop
Air Canada Logo
6:10 p.m. - 6:43 a.m.SAN-YOW
9h 33m1 stop
C$ 412Air Canada
Find Deal
Tue, 25 Nov - Tue, 2 Dec
WestJet Logo
6:00 a.m. - 1:20 p.m.YOW-SAN
10h 20m1 stop
WestJet Logo
1:00 p.m. - 4:19 p.m.SAN-YOW
24h 19m2 stops
C$ 416WestJet
Find Deal
Wed, 24 Sep - Sun, 28 Sep
 Logo
5:14 p.m. - 10:20 p.m.YOW-SAN
8h 06m1 stop
 Logo
6:10 p.m. - 6:43 a.m.SAN-YOW
9h 33m1 stop
C$ 417
Find Deal
Wed, 26 Nov - Wed, 3 Dec
 Logo
11:10 a.m. - 6:50 p.m.YOW-SAN
10h 40m1 stop
 Logo
12:25 p.m. - 11:08 p.m.SAN-YOW
7h 43m1 stop
C$ 426
Find Deal
Wed, 12 Nov - Tue, 18 Nov
United Airlines Logo
2:15 p.m. - 12:13 a.m.YOW-SAN
12h 58m2 stops
United Airlines Logo
8:45 a.m. - 11:54 p.m.SAN-YOW
12h 09m2 stops
C$ 427United Airlines
Find Deal
Wed, 26 Nov - Wed, 3 Dec
United Airlines Logo
5:14 p.m. - 10:20 p.m.YOW-SAN
8h 06m1 stop
United Airlines Logo
4:08 p.m. - 10:26 a.m.SAN-YOW
15h 18m2 stops
C$ 437United Airlines
Find Deal
Tue, 25 Nov - Tue, 2 Dec
Air Canada Logo
7:45 a.m. - 5:24 p.m.YOW-SAN
12h 39m1 stop
Air Canada Logo
6:10 p.m. - 6:43 a.m.SAN-YOW
9h 33m1 stop
C$ 491Air Canada
Find Deal
Wed, 4 Mar - Thu, 5 Mar
 Logo
6:00 a.m. - 1:20 p.m.YOW-SAN
10h 20m1 stop
 Logo
1:00 p.m. - 2:44 p.m.SAN-YOW
22h 44m1 stop
C$ 493
Find Deal
Wed, 24 Sep - Sun, 28 Sep
 Logo
5:11 p.m. - 10:33 p.m.YOW-SAN
8h 22m1 stop
 Logo
6:10 p.m. - 6:43 a.m.SAN-YOW
9h 33m1 stop
C$ 495
Find Deal
Mon, 9 Feb - Mon, 23 Feb

Air Canada flights from Ottawa to San Diego

Our best Air Canada deals on Ottawa to San Diego flight tickets
Air Canada
25 Nov
YOW5:15 a.m.Ottawa
9h 23m
1 stop
SAN11:38 a.m.San Diego
2 Dec
SAN6:10 p.m.San Diego
9h 33m
1 stop
YOW6:43 a.m.Ottawa
Air Canada
4 Mar
YOW7:45 a.m.Ottawa
12h 39m
1 stop
SAN5:24 p.m.San Diego
5 Mar
SAN6:10 p.m.San Diego
9h 33m
1 stop
YOW6:43 a.m.Ottawa
Air Canada
22 Jan
YOW6:00 a.m.Ottawa
8h 38m
1 stop
SAN11:38 a.m.San Diego
31 Jan
SAN12:25 p.m.San Diego
16h 53m
1 stop
YOW8:18 a.m.Ottawa

United Airlines flights from Ottawa to San Diego

Our best United Airlines deals on Ottawa to San Diego flight tickets
United Airlines
26 Nov
YOW2:15 p.m.Ottawa
12h 58m
2 stops
SAN12:13 a.m.San Diego
3 Dec
SAN8:45 a.m.San Diego
12h 09m
2 stops
YOW11:54 p.m.Ottawa
United Airlines
25 Nov
YOW5:14 p.m.Ottawa
8h 06m
1 stop
SAN10:20 p.m.San Diego
2 Dec
SAN4:08 p.m.San Diego
15h 18m
2 stops
YOW10:26 a.m.Ottawa
United Airlines
21 Jan
YOW9:45 a.m.Ottawa
11h 49m
2 stops
SAN6:34 p.m.San Diego
31 Jan
SAN6:30 a.m.San Diego
12h 26m
2 stops
YOW9:56 p.m.Ottawa

momondo 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, momondo users made 96,600 searches. Data last updated 9 September 2025.
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

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Wed 22/10

5:55 a.m.-9:20 p.m.

2 stops18h 25m

San Diego

Wed 29/10

12:35 p.m.-12:40 a.m.

1 stop9h 05m

C$ 397

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$ 412

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Wed 24/9

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

1 stop10h 20m

San Diego

Sun 28/9

1:00 p.m.-4:19 p.m.

2 stops24h 19m

C$ 416

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Wed 26/11

5:14 p.m.-10:20 p.m.

1 stop8h 06m

San Diego

Wed 3/12

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

1 stop9h 33m

C$ 417

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Wed 12/11

11:10 a.m.-6:50 p.m.

1 stop10h 40m

San Diego

Tue 18/11

12:25 p.m.-11:08 p.m.

1 stop7h 43m

C$ 426

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Wed 26/11

2:15 p.m.-12:13 a.m.

2 stops12h 58m

San Diego

Wed 3/12

8:45 a.m.-11:54 p.m.

2 stops12h 09m

C$ 427

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Tue 25/11

5:14 p.m.-10:20 p.m.

1 stop8h 06m

San Diego

Tue 2/12

4:08 p.m.-10:26 a.m.

2 stops15h 18m

C$ 437

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Wed 4/3

7:45 a.m.-5:24 p.m.

1 stop12h 39m

San Diego

Thu 5/3

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

1 stop9h 33m

C$ 491

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Wed 24/9

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

1 stop10h 20m

San Diego

Sun 28/9

1:00 p.m.-2:44 p.m.

1 stop22h 44m

C$ 493

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Mon 9/2

5:11 p.m.-10:33 p.m.

1 stop8h 22m

San Diego

Mon 23/2

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

1 stop9h 33m

C$ 495

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to San Diego from

How to get the cheapest flight ticket from Ottawa to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Diego?

In general, May is the cheapest month to fly from Ottawa to San Diego. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 438. If you are unable to visit San Diego during the month of May, then departing from Ottawa during the month November is also very affordable. Most momondo users find prices during this month for around C$ 493.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart on your flight to San Diego is on a Monday when prices can be found for as low as C$ 731. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to San Diego on Saturday is C$ 1,027.

What is the cheapest time of day to depart on your flight to San Diego?

Flying to San Diego from Ottawa in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as C$ 776 when looking at flights departing in the afternoon. Flights to San Diego are more costly at noon, with an average ticket price of C$ 933. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to San Diego?

You are more likely to see cheaper flights to San Diego from Ottawa when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around C$ 586 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Ottawa for as low as C$ 477 on momondo.

Can stopping save me money on Ottawa to San Diego flights?

You could potentially save up to 10% on your flight if you consider stops on a Ottawa to San Diego flight.

How have Ottawa to San Diego flight prices changed over time?

As of September 2025, prices for Ottawa to San Diego flights are approximately 21% cheaper when compared to flights at the same time last year.

When to book flights from Ottawa to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Ottawa to San Diego according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ottawa to San Diego (YOW to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to San Diego

Direct flights

None
There are no direct flights from Ottawa to San Diego. There are no popular flight routes from Ottawa to San Diego.
  • How far is Ottawa to San Diego by plane?

    The straight-line distance from Ottawa to San Diego is 3795.1 km. A reasonable flight in good conditions will take 7h 33m.

  • When did momondo last update prices for flights from Ottawa Airport to San Diego Airport?

    Prices for flights from Ottawa Airport to San Diego Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Ottawa Airport to San Diego Airport?

  • How old do you have to be to fly from Ottawa Airport to San Diego Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ottawa Airport to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The travel and health documents you'll need for your trip to San Diego Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Diego Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Ottawa to San Diego?

Best airlines flying from Ottawa to San Diego

Compare and see reviews for airlines that fly from Ottawa to San Diego with momondo
Airline
Rating
Free Cancellation
Price
Porter AirlinesPriceFrom C$ 334Free CancellationRating
7.9
363 reviews
Search Porter Airlines flights
United AirlinesPriceFrom C$ 357Free CancellationRating
7.4
8,943 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 358Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
WestJetPriceFrom C$ 388Free CancellationRating
7.2
3,091 reviews
Search WestJet flights

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado
Chula Vista
El Cajon

Why use momondo?

Why should I use momondo to find a flight deal from Ottawa to San Diego?

Finding the right flight to San Diego from Ottawa is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Diego quick and easy, saving you time and money.

Can I find flights from Ottawa to San Diego with flexible booking policies on momondo?

momondo does allow users to show only those flights to San Diego from Ottawa which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ottawa to San Diego?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Diego from Ottawa.

I’m not ready to book a flight from Ottawa to San Diego right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to San Diego from Ottawa. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your San Diego trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 9/10
Thu 16/10

Find better results for your trip to the United States