What day of the week experiences the fewest flight delays on this route?

Friday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on the United States to Ottawa flights?

Over the last year, Delta have had the lowest number of delays on this route, with no flights being classified as delayed.

How often are flights from the United States to Ottawa delayed?

About 13% of weekly flights between United States and Ottawa have experienced delays in the past year, with the average delay time being 145 minutes.

What is the most punctual flight time for the United States to Ottawa flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

How long is the flight from USA to Ottawa?

Airlines like Porter Airlines and Air Canada fly from USA to Ottawa in about 3h 22m. The time it takes to get you to your destination is usually consistent. Airlines will cover a distance of 1352 mi. All flights are typically nonstop.

What are the cheapest airlines to fly from USA to Ottawa one-way?

For one-way options, check prices for Porter Airlines. According to our data, you can fly for as low as $73. Users have also found prices from $89 and $90 on WestJet and United Airlines, respectively.

What is the cheapest month to book a flight from USA to Ottawa?

Currently, April is the cheapest month in which you can book a flight from USA to Ottawa (average of $39). Flying from USA to Ottawa in September is currently the most expensive (average of $127). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from USA to Ottawa?

Travelers seeking maximum savings on their USA to Ottawa flight should consider departing on Tuesday mornings when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Ottawa ranges from 2.0 - 3.7 inches per month. June is typically the wettest month, when rainfall can reach 3.7 in. February is typically the driest time to visit Ottawa when rainfall is around 2.0 in.

If weather is an important factor for your trip to Ottawa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 F).

What are the most popular routes from USA to Ottawa?

Most travelers choose Newark - Ottawa, Washington, D.C. Dulles Intl - Ottawa or New York John F Kennedy Intl - Ottawa when deciding on the best route from USA to Ottawa.

What are the most popular airlines that fly from USA to Ottawa?

The most popular airlines flying from USA to Ottawa are Porter Airlines, Air Canada and United Airlines. Something to consider prior to booking your flight.

What is the cheapest time of day to fly from US to YOW?

One of the essential ways to save on airfare from USA to Ottawa is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 10% on airfare.

What airport do you fly into for flights to Ottawa from United States?

Most people fly into Ottawa (YOW) if they book a flight to Ottawa from United States. Ottawa is conveniently located just 6.6 mi from Ottawa’s city center.

Can I find deals for flights from USA to Ottawa that include hotel bookings?

Yes. In addition to deals on USA to Ottawa flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from USA to Ottawa?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from USA to Ottawa.

Can I find deals for business class flights from USA to Ottawa?

Yes. Cheapflights offers flight deals from USA to Ottawa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$62+ Flights from the United States to Ottawa

Most accurate provider	Mytrip 3 stars
Most trusted provider	Mytrip 3 stars
Round-trip from	$122 (Mytrip)
One-way from	$62 (Kiwi.com)
Popular in	October
Cheapest in	May
Average price	$293
Good round-trip deal	$223 or less
Good one-way deal	$95 or less

Porter Airlines

PorterReserve includes early boarding and front-of-cabin seating with extra legroom (36 inches).

PorterClassic offers free snacks and drinks, plus no middle seats for a comfortable journey.

Air Canada

Economy Latitude includes priority check-in and two checked bags, ideal for added convenience.

Preferred Seats offer up to four inches extra space; free for Aeroplan Elite or Economy Latitude.

United Airlines

Basic Economy allows no carry-on bags unless flying to Canada; check restrictions carefully.

Prepay checked bags 24 hours before to save on fees; premium cabins may skip fees.

WestJet

EconoFlex includes one free checked bag and free seat selection, ideal for flexible travel.

Pay for checked bags in advance online to save; fees increase within 24 hours of departure.

Air Transat

Club Class offers priority check-in and boarding, plus extra baggage allowance for comfort.

Option Plus adds extra baggage and priority boarding to Economy Class for less than Club Class.

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$99	Average$497	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$111	Average$481	FlexibilityNo cancel fee	On-time69%
WestJet	Cheapest$119	Average$344	FlexibilityNo cancel fee	On-time60%
Porter Airlines	Cheapest$130	Average$327	FlexibilityNo cancel fee	On-time52%
Air Transat	Cheapest$255	Average$342	FlexibilityNo cancel fee	On-time50%

$62+ Cheap flights from the United States to Ottawa (YOW)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from USA to Ottawa with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from USA to Ottawa

Cheapest flights from USA to OttawaExplore the most affordable flight options available from USA to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 26, 2025.

Explore the most affordable flight options available from USA to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 26, 2025.

Cheap flight deals from USA to Ottawa

Keep the following information in mind while searching for USA to Ottawa flight deals. Data was last updated November 26, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from the United States to Ottawa that are best for you.

Best time to book a flight from USA to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from USA with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from the United States to Ottawa

What is the cheapest month to book a flight from USA to Ottawa?

What is the cheapest time of day to fly from US to YOW?

Find hourly flight availability from USA to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 26, 2025.

What is the cheapest day to fly from USA to Ottawa?

Use this chart to determine the cheapest time to fly round-trip from USA to Ottawa. Price data was last updated on December 16, 2024.

How often are flights from the United States to Ottawa delayed?

What is the most punctual flight time for the United States to Ottawa flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on the United States to Ottawa flights?

The best insider tips for theUnited States to Ottawa flights

Cheapflights partnered with top experts to bring you the best recommendations for your theUnited States to Ottawa trip

Airlines

Porter Airlines

Air Canada

United Airlines

WestJet

Air Transat

Our travel experts

Reviews of airlines servicing Ottawa

See what other customers who have flown with Porter Airlines, Air Transat, and United Airlines from the United States to Ottawa have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from USA to Ottawa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Ottawa from United States?

How long is the flight from USA to Ottawa?

What are the cheapest airlines to fly from USA to Ottawa one-way?

What are the most popular routes from USA to Ottawa?

Can I find deals for flights from USA to Ottawa that include hotel bookings?

How can I find direct flights from USA to Ottawa?

Can I find deals for business class flights from USA to Ottawa?

What is the cheapest month to book a flight from USA to Ottawa?

Traveling to a place near Ottawa?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for USA to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from USA to Ottawa

100% Free

Cheapest flights from USA to Ottawa
Explore the most affordable flight options available from USA to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 26, 2025.