What is the cheapest airline that flies from Ottawa to San Diego?

WestJet, Air Canada, and United Airlines are the most popular carriers operating from Ottawa to San Diego

Which airlines fly to San Diego?

Air Canada, United Airlines and Delta are the top three most popular airlines that fly to San Diego from Ottawa according to our data. Air Canada is the first choice among our users, with 57% of people opting to fly with this airline when travelling to San Diego. Keep in mind that there are 6 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.

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?

There are 4 operators available for flights from Ottawa Airport to San Diego Airport as of July 2025.

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.

C$ 192 Cheap Flights from Ottawa to San Diego in 2025

1 adult

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Find the cheapest flights from Ottawa to San Diego

Round-trip

One-way

Last minute

Cheap round-trip flights

9:25 a.m. - 4:13 p.m.YOW-SAN

9h 48m1 stop

12:35 p.m. - 8:23 a.m.SAN-YOW

16h 48m1 stop

C$ 420Air Canada

Find Deal

Fri, 29 Aug - Fri, 5 Sep

5:15 a.m. - 4:13 p.m.YOW-SAN

13h 58m2 stops

4:55 p.m. - 8:23 a.m.SAN-YOW

12h 28m1 stop

C$ 426Air Canada

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Fri, 29 Aug - Fri, 5 Sep

11:10 a.m. - 10:20 p.m.YOW-SAN

14h 10m1 stop

7:00 a.m. - 5:12 p.m.SAN-YOW

7h 12m1 stop

C$ 431United Airlines

Find Deal

Mon, 27 Oct - Fri, 31 Oct

5:15 a.m. - 4:13 p.m.YOW-SAN

13h 58m2 stops

4:55 p.m. - 11:04 a.m.SAN-YOW

15h 09m2 stops

C$ 436Air Canada

Find Deal

Fri, 29 Aug - Fri, 5 Sep

7:29 p.m. - 10:55 a.m.YOW-SAN

18h 26m2 stops

7:21 p.m. - 2:13 p.m.SAN-YOW

15h 52m3 stops

C$ 452United Airlines

Find Deal

Fri, 29 Aug - Fri, 5 Sep

5:15 p.m. - 1:20 p.m.YOW-SAN

23h 05m2 stops

2:05 p.m. - 5:25 a.m.SAN-YOW

12h 20m2 stops

C$ 468WestJet

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Thu, 14 Aug - Thu, 21 Aug

7:15 p.m. - 1:20 p.m.YOW-SAN

21h 05m1 stop

2:05 p.m. - 5:25 a.m.SAN-YOW

12h 20m2 stops

C$ 485WestJet

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Thu, 14 Aug - Thu, 21 Aug

1:55 p.m. - 5:56 p.m.YOW-SAN

31h 01m3 stops

6:15 a.m. - 9:00 a.m.SAN-YOW

23h 45m3 stops

C$ 561

Find Deal

Fri, 29 Aug - Fri, 5 Sep

5:05 p.m. - 9:55 a.m.YOW-SAN

19h 50m2 stops

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

22h 44m1 stop

C$ 631

Find Deal

Sat, 9 Aug - Sun, 17 Aug

5:55 a.m. - 6:00 p.m.YOW-SAN

15h 05m2 stops

6:25 a.m. - 12:22 a.m.SAN-YOW

14h 57m2 stops

C$ 1,591Delta

Find Deal

Fri, 8 Aug - Wed, 20 Aug

WestJet flights from Ottawa to San Diego

Our best WestJet deals on Ottawa to San Diego flight tickets

WestJet

14 Aug

YOW5:15 p.m.Ottawa

23h 05m

2 stops

SAN1:20 p.m.San Diego

21 Aug

SAN2:05 p.m.San Diego

12h 20m

2 stops

YOW5:25 a.m.Ottawa

C$ 468

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WestJet

14 Aug

YOW7:15 p.m.Ottawa

21h 05m

1 stop

SAN1:20 p.m.San Diego

21 Aug

SAN2:05 p.m.San Diego

12h 20m

2 stops

YOW5:25 a.m.Ottawa

C$ 485

Find similar

WestJet

17 Sep

YOW6:00 a.m.Ottawa

10h 20m

1 stop

SAN1:20 p.m.San Diego

21 Sep

SAN1:00 p.m.San Diego

14h 45m

2 stops

YOW6:45 a.m.Ottawa

C$ 541

Find similar

United Airlines flights from Ottawa to San Diego

Our best United Airlines deals on Ottawa to San Diego flight tickets

United Airlines

27 Oct

YOW11:10 a.m.Ottawa

14h 10m

1 stop

SAN10:20 p.m.San Diego

31 Oct

SAN7:00 a.m.San Diego

7h 12m

1 stop

YOW5:12 p.m.Ottawa

C$ 431

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United Airlines

29 Aug

YOW7:29 p.m.Ottawa

18h 26m

2 stops

SAN10:55 a.m.San Diego

5 Sep

SAN7:21 p.m.San Diego

15h 52m

3 stops

YOW2:13 p.m.Ottawa

C$ 452

Find similar

United Airlines

31 Aug

YOW6:33 a.m.Ottawa

11h 28m

2 stops

SAN3:01 p.m.San Diego

7 Sep

SAN10:30 p.m.San Diego

12h 34m

1 stop

YOW2:04 p.m.Ottawa

C$ 508

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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

Prices

Airlines

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$ 436. 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$ 490.

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$ 727. 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$ 1,021.

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$ 772 when looking at flights departing in the afternoon. Flights to San Diego are more costly at noon, with an average ticket price of C$ 928. 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$ 579 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$ 381 on momondo.

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

As of July 2025, prices for Ottawa to San Diego flights are approximately 24% 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

Best price found	C$ 223
Fastest flight time	7h 37m
Direct flights	None
Airports in San Diego	1 airport

The best one-way flight to San Diego from Ottawa in the past 72 hours is C$ 223. The best round-trip flight deal from Ottawa to San Diego found on momondo in the last 72 hours is C$ 420.

The fastest flight from Ottawa to San Diego takes 7h 37m

There are no direct flights from Ottawa to San Diego. Popular non-direct route for this connection is Ottawa Airport - San Diego Airport.

There is 1 airport near San Diego: San Diego (SAN)

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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 9h 03m.
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?
There are 4 operators available for flights from Ottawa Airport to San Diego Airport as of July 2025.
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?
momondo data reveals that the most frequently booked airline on the route from Ottawa to San Diego is Air Canada, representing 57% of all bookings. The subsequent popular airlines are United Airlines at 26%, Porter Airlines at 12%, and WestJet at 5%.

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 Airlines	PriceFrom C$ 332	Free Cancellation	Rating 8.0 311 reviews	Search Porter Airlines flights
United Airlines	PriceFrom C$ 355	Free Cancellation	Rating 7.4 8,864 reviews	Search United Airlines flights
Air Canada	PriceFrom C$ 357	Free Cancellation	Rating 7.1 9,743 reviews	Search Air Canada flights
WestJet	PriceFrom C$ 385	Free Cancellation	Rating 7.2 2,948 reviews	Search WestJet flights

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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.