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

WestJet is the most popular carrier operating from Ottawa to San Diego

What 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 43% of people opting to fly with this airline when traveling to San Diego. Keep in mind that there are 5 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?

As of February 2026, there are 2 operators available to choose from 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 for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for 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.

$197 Cheap Flights from Ottawa to San Diego in 2026

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Find the cheapest flights from Ottawa to San Diego

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:30 am - 4:05 pm

YOW

SAN

9h 35m

1 stop

8:15 am - 8:45 pm

SAN

YOW

9h 30m

1 stop

$311Air Canada

Sat, May 23 - Wed, May 27

2:48 pm - 11:59 pm

YOW

SAN

12h 11m

2 stops

8:32 pm - 10:03 am

SAN

YOW

10h 31m

2 stops

$316United Airlines

Sat, May 23 - Wed, May 27

6:15 pm - 2:10 pm

YOW

SAN

22h 55m

2 stops

3:30 pm - 5:40 am

SAN

YOW

11h 10m

1 stop

$415WestJet

Thu, May 28 - Mon, Jun 1

6:15 pm - 2:10 pm

YOW

SAN

22h 55m

2 stops

3:30 pm - 12:30 pm

SAN

YOW

18h 00m

2 stops

$416WestJet

Thu, May 28 - Mon, Jun 1

6:15 pm - 2:10 pm

YOW

SAN

22h 55m

2 stops

3:30 pm - 12:30 pm

SAN

YOW

18h 00m

2 stops

$427WestJet

Thu, May 7 - Thu, May 14

7:30 am - 2:10 pm

YOW

SAN

9h 40m

1 stop

3:30 pm - 12:30 pm

SAN

YOW

18h 00m

2 stops

$437WestJet

Thu, May 7 - Thu, May 14

7:15 pm - 12:01 pm

YOW

SAN

43h 46m

2 stops

12:35 pm - 12:40 am

SAN

YOW

9h 05m

1 stop

$442Multiple Airlines

Mon, Apr 6 - Fri, Apr 17

3:55 pm - 7:49 pm

YOW

SAN

30h 54m

1 stop

9:07 pm - 12:39 am

SAN

YOW

48h 32m

2 stops

$454Multiple Airlines

Tue, Apr 7 - Thu, Apr 16

1:20 pm - 2:10 pm

YOW

SAN

27h 50m

1 stop

3:30 pm - 5:40 am

SAN

YOW

11h 10m

1 stop

$457WestJet

Thu, May 28 - Mon, Jun 1

7:15 pm - 12:01 pm

YOW

SAN

43h 46m

2 stops

10:02 pm - 5:13 pm

SAN

YOW

16h 11m

1 stop

$458Multiple Airlines

Mon, Apr 6 - Wed, Apr 15

Air Canada flights from Ottawa to San Diego

Our best Air Canada deals on Ottawa to San Diego flight tickets

Air Canada

May 23

YOW9:30 amOttawa

9h 35m

1 stop

SAN4:05 pmSan Diego

May 27

SAN8:15 amSan Diego

9h 30m

1 stop

YOW8:45 pmOttawa

$311

Air Canada

May 23

YOW5:00 amOttawa

9h 50m

1 stop

SAN11:50 amSan Diego

May 27

SAN12:30 pmSan Diego

9h 25m

1 stop

YOW12:55 amOttawa

$462

Air Canada

May 23

YOW5:00 amOttawa

9h 50m

1 stop

SAN11:50 amSan Diego

May 27

SAN8:15 amSan Diego

9h 30m

1 stop

YOW8:45 pmOttawa

$464

United Airlines flights from Ottawa to San Diego

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

United Airlines

May 23

YOW2:48 pmOttawa

12h 11m

2 stops

SAN11:59 pmSan Diego

May 27

SAN8:32 pmSan Diego

10h 31m

2 stops

YOW10:03 amOttawa

$316

United Airlines

May 23

YOW10:46 amOttawa

12h 05m

2 stops

SAN7:51 pmSan Diego

May 27

SAN8:32 pmSan Diego

10h 31m

2 stops

YOW10:03 amOttawa

$468

United Airlines

Apr 6

YOW5:20 pmOttawa

8h 39m

1 stop

SAN10:59 pmSan Diego

Apr 23

SAN8:39 pmSan Diego

14h 20m

2 stops

YOW1:59 pmOttawa

$469

Fly from

Fly to

Route

Depart

Return

Price

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Sat 5/23

9:30 am-4:05 pm

1 stop9h 35m

San Diego

Wed 5/27

8:15 am-8:45 pm

1 stop9h 30m

$311

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Sat 5/23

2:48 pm-11:59 pm

2 stops12h 11m

San Diego

Wed 5/27

8:32 pm-10:03 am

2 stops10h 31m

$316

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Thu 5/28

6:15 pm-2:10 pm

2 stops22h 55m

San Diego

Mon 6/1

3:30 pm-5:40 am

1 stop11h 10m

$415

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Thu 5/28

6:15 pm-2:10 pm

2 stops22h 55m

San Diego

Mon 6/1

3:30 pm-12:30 pm

2 stops18h 00m

$416

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Thu 5/7

6:15 pm-2:10 pm

2 stops22h 55m

San Diego

Thu 5/14

3:30 pm-12:30 pm

2 stops18h 00m

$427

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Thu 5/7

7:30 am-2:10 pm

1 stop9h 40m

San Diego

Thu 5/14

3:30 pm-12:30 pm

2 stops18h 00m

$437

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Mon 4/6

7:15 pm-12:01 pm

2 stops43h 46m

San Diego

Fri 4/17

12:35 pm-12:40 am

1 stop9h 05m

$442

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Tue 4/7

3:55 pm-7:49 pm

1 stop30h 54m

San Diego

Thu 4/16

9:07 pm-12:39 am

2 stops48h 32m

$454

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Thu 5/28

1:20 pm-2:10 pm

1 stop27h 50m

San Diego

Mon 6/1

3:30 pm-5:40 am

1 stop11h 10m

$457

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Mon 4/6

7:15 pm-12:01 pm

2 stops43h 46m

San Diego

Wed 4/15

10:02 pm-5:13 pm

1 stop16h 11m

$458

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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?

If you are unable to visit San Diego during the month of May, then departing from Ottawa during the month March is also very affordable. Most momondo users find prices during this month for around $344.

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 $408 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 $329 on momondo.

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

As of February 2026, prices for Ottawa to San Diego flights are approximately 36% 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

Fastest flight time	9h 40m
Direct flights	None

The fastest flight from Ottawa to San Diego takes 9h 40m

There are no direct flights from Ottawa to San Diego. There are no popular flight routes from Ottawa to San Diego.

Search flight deals

How far is Ottawa to San Diego by plane?
San Diego is 2358.2 mi away from Ottawa. 9h 40m is a normal flight duration for this route.
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?
As of February 2026, there are 2 operators available to choose from 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 for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for 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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Ottawa to San Diego is United Airlines (69% of total bookings). The next most popular airline is Air Canada (31%).

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
Air Canada	PriceFrom $277	Free Cancellation	Rating 7.1 10,676 reviews		Search Air Canada flights
United Airlines	PriceFrom $279	Free Cancellation	Rating 7.4 9,229 reviews		Search United Airlines flights

Coronado

Chula Vista

El Cajon

Julian

Poway

National City

Imperial Beach

San Ysidro

Borrego Springs

La Mesa

Alpine

Lemon Grove

Santee

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ottawa to San Diego. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Ottawa to San Diego flights to just show those with flexible booking policies.

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

Once you have performed a search for Ottawa to San Diego flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to San Diego, momondo offers a useful price alert feature which will track prices for flights to San Diego from Ottawa and alert you when they change.