Cheap flights from California to Ottawa from C$ 118
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Ottawa departing on 13/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from California to Ottawa
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 Ottawa?
The month of May is, on average, the cheapest month to fly to Ottawa from California, with most prices found around C$ 346. If you aren’t able to travel to Ottawa during the month of May, then flying in February is also cheap. Prices for this month can be found on momondo for an average of C$ 413.
What is the cheapest day to depart on your flight to Ottawa?
Our data shows that Thursday is the least expensive day to fly to Ottawa. Tickets to fly out on this day can be as low as C$ 414. Flights from California to Ottawa on a Friday will generally be more expensive and average around C$ 743. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Ottawa?
Our most recent data shows that the best time of day to fly to Ottawa is in the evening. Flights from California to Ottawa during this time can be as low as C$ 640. In the afternoon is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 743 per ticket.
How far in advance should I book a flight to Ottawa?
You are more likely to see cheaper flights to Ottawa from California when booking 18 weeks ahead of your departure date. In general, you can expect to find flights to Ottawa for around C$ 519 when searching 18 weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ottawa from California for as low as C$ 407 on momondo.
What is the cheapest airline that flies from California to Ottawa?
WestJet, Air Canada, and Porter Airlines are the most popular carriers operating from California to Ottawa
Which airlines fly to Ottawa?
Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Ottawa from California 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 Ottawa. Keep in mind that there are 3 different airlines that fly to Ottawa on a routine basis, so you have a few additional options to choose from.
Cheap California to Ottawa flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from California to Ottawa
When did momondo last update prices for flights from California to Ottawa Airport?
Prices for flights from California to Ottawa Airport are refreshed on a daily basis.
How many operators does momondo search for flights from California to Ottawa Airport?
As of June 2025, there are 2 operators available to choose from for flights from California to Ottawa Airport.
How old do you have to be to fly from California to Ottawa 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 California to Ottawa Airport.
What documentation or ID do you need to fly to Ottawa Airport?
The required travel and health documents for your Ottawa Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ottawa Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from California to Ottawa
Compare and see reviews for airlines that fly from California to Ottawa with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 144 | Free Cancellation | Rating 8.0 289 reviews | |||
| PriceFrom C$ 199 | Free Cancellation | Rating 7.1 9,553 reviews |
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Why should I use momondo to find a flight deal from California to Ottawa?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from California to Ottawa . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from California to Ottawa with flexible booking policies on momondo?
Yes. All flights to Ottawa from California on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from California to Ottawa?
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 Ottawa from California.
I’m not ready to book a flight from California to Ottawa right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Ottawa from California. 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.