Cheap flights from the United States to Ottawa from C$ 97
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Ottawa departing on 13/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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 resultsTrusted 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 the United States to Ottawa
Recent round-trip flight deals from the United States to Ottawa
Recent one-way flight deals from the United States to Ottawa
Recent last minute flight deals from the United States to Ottawa
Recent direct flight deals from the United States to Ottawa
United Airlines flights from United States to Ottawa
Our best United Airlines deals on United States to Ottawa flight tickets
Porter Airlines flights from United States to Ottawa
Our best Porter Airlines deals on United States to Ottawa flight tickets
See travel insights to Ottawa from
How to get the cheapest flight ticket from United States 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 April is, on average, the cheapest month to fly to Ottawa from United States, with most prices found around C$ 221. If you aren’t able to travel to Ottawa during the month of April, then flying in November is also cheap. Prices for this month can be found on momondo for an average of C$ 294.
What is the cheapest day to depart on your flight to Ottawa?
Our data shows that Saturday is the least expensive day to fly to Ottawa. Tickets to fly out on this day can be as low as C$ 294. Flights from United States to Ottawa on a Monday will generally be more expensive and average around C$ 425. 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 United States to Ottawa during this time can be as low as C$ 319. In the morning is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 433 per ticket.
What is the cheapest United States to Ottawa flight route?
Fly from Newark to Ottawa for the best United States - Ottawa flight prices
How far in advance should I book a flight to Ottawa?
You are more likely to see cheaper flights to Ottawa from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Ottawa for around C$ 367 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ottawa from United States for as low as C$ 244 on momondo.
What cabin class options are available on United States to Ottawa flights?
There are 4 cabin classes available to choose from on United States to Ottawa flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from United States to Ottawa?
Porter Airlines, Air Canada, and Air Transat are the most popular carriers operating from United States 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 United States according to our data. Air Canada is the first choice among our users, with 53% of people opting to fly with this airline when travelling to Ottawa. Keep in mind that there are 7 different airlines that fly to Ottawa on a routine basis, so you have a few additional options to choose from.
How many flights depart from United States to Ottawa on average per day?
As of July 2025, there are 33 flights per day flying from United States to Ottawa. The most common time of day flights depart is 3:00p.m., with 63% of flights taking off in the afternoon.
How many flights depart from United States to Ottawa on average per week?
As of July 2025, there are 235 flights per week flying from United States to Ottawa. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.
Cheap United States to Ottawa flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from United States to Ottawa
When did momondo last update prices for flights from United States to Ottawa Airport?
Prices for flights from United States to Ottawa Airport were last updated today.
How many operators does momondo search for flights from United States to Ottawa Airport?
As of July 2025, there are 2 operators available to choose from for flights from United States to Ottawa Airport.
How old do you have to be to fly from United States 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 United States to Ottawa Airport.
What documentation or ID do you need to fly to Ottawa Airport?
The travel and health documents required for your trip to Ottawa Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ottawa Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from United States to Ottawa?
Based on momondo bookings for flights between United States and Ottawa, the leading plane model is De Havilland (Bombardier) DHC-8-400 Dash 8Q, making up 22.79% of the total bookings. Other popular models include Canadair (Bombardier) Regional Jet CRJ-550 with 18.99%, Embraer 175 (Enhanced Winglets) with 17.82%, and Embraer 195 E2 with 12.08%.
Best airlines flying from United States to Ottawa
Compare and see reviews for airlines that fly from United States to Ottawa with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 144 | Free Cancellation | Rating 8.0 298 reviews | |||
| PriceFrom C$ 161 | Free Cancellation | Rating 7.1 9,678 reviews | |||
| PriceFrom C$ 201 | Free Cancellation | Rating 7.4 8,861 reviews |
Travelling to a place near Ottawa?
Book flights to Ottawa if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from United States to Ottawa?
Finding the right flight to Ottawa from United States 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 Ottawa quick and easy, saving you time and money.
Can I find flights from United States to Ottawa with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Ottawa from United States with this policy.
How can momondo help me find flights from United States to Ottawa?
momondo helps you find the best flight between United States and Ottawa by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from United States to Ottawa right now. Can momondo alert me if prices change?
If you are not ready to book a flight from United States to Ottawa now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ottawa and let you know when they change.