Cheap flights from Ottawa to Los Angeles from $204

The month of October is, on average, the cheapest month to fly to Los Angeles from Ottawa, with most prices found around $291. If you aren’t able to travel during the month of October, then book flights to Los Angeles from Ottawa during September instead. Flights to Los Angeles in September, while not as cheap as those in October, still average around $340.

You are more likely to see cheaper flights to Los Angeles from Ottawa when booking weeks ahead of your departure date. In general, you can expect to find flights to Los Angeles for around $397 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Los Angeles from Ottawa for as low as $316 on momondo.

You could potentially save up to 4% on your flight if you consider stops on a Ottawa to Los Angeles flight.

As of June 2026, prices for Ottawa to Los Angeles flights are approximately 25% cheaper when compared to flights at the same time last year.

United Airlines is the most popular carrier operating from Ottawa to Los Angeles

Air Canada, United Airlines and Porter Airlines are the top three most popular airlines that fly to Los Angeles from Ottawa according to our data. Air Canada is the first choice among our users, with 68% of people opting to fly with this airline when traveling to Los Angeles. Keep in mind that there are 6 different airlines that fly to Los Angeles on a routine basis, so you have a few additional options to choose from.

Historically, on average around 0% of flights between Ottawa and Los Angeles have experienced a delay on any given week. The average delay length over the past 12 months has been 0 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Chicago (ORD) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

Flights via Montreal (YUL) offer the lowest average round-trip price of $385.

Flights connecting via Montreal (YUL) have the shortest average one-way travel time: 8h 07m.

Montreal (YUL) has the shortest average layover time for this route: 1h 20m.