Cheap Flights from Chicago O'Hare International to Ottawa

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Compare Chicago O'Hare International to Ottawa flight deals

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Flight deals from Chicago O'Hare International to Ottawa

Looking for a cheap last-minute deal or the best return flight from Chicago O'Hare International to Ottawa? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Chicago O'Hare International to Ottawa

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago O'Hare International to Ottawa flights are currently cheapest in April.

Direct flights from Chicago O'Hare International to Ottawa

Alternative Chicago O'Hare International to Ottawa routes

Looking for the cheapest, fastest or easiest route from Chicago O'Hare International to Ottawa? You could fly into the following airports instead.

Chicago to Ottawa: Flight information

The things to know before you go.
Cheapest flight foundRs35,717
Cheapest month to flyApril
Average flight time2 hrs, 9 mins
Most popular airlineUnited
Average flights per week126

Finding cheap flights from Chicago O'Hare International to Ottawa: Frequently asked questions

There are 2 airports in Ottawa: Ottawa International and Ottawa Gatineau.
The best price we found for a return flight from Chicago O'Hare International to Ottawa is Rs67,817. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 9 minutes is the average flight time from Chicago O'Hare International to Ottawa.
United, Republic Airways and Air New Zealand fly direct from Chicago O'Hare International to Ottawa.
As of March 2025, there are 126 flights per week flying from Chicago O'Hare International to Ottawa.
The cheapest month to fly from Chicago O'Hare International to Ottawa is usually March 2025.
If you're flying from Chicago O'Hare International Airport, the cheapest airport near Ottawa is Ottawa International – which is 11.2 km away from the centre of Ottawa. We've found flights into this airport from Rs67,817.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chicago O'Hare International Airport to Ottawa on Saturday, 26 April 2025.
Yes – the average flight time is 2 hours and 9 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Ottawa but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Ottawa is around 40 days in advance, so don’t leave your flight to the last minute.
In March, the average temperature is usually around -3°C. July is typically the warmest month in Ottawa, when it usually averages around 25°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -16°C. The rainiest month is June.
Currently, Air Canada offers the cheapest flight tickets to Ottawa.

Travelling from O'Hare International Airport (ORD) to Ottawa: what you need to know

  • Expect to be travelling for 2 hours 28 minutes. That's the average journey time for a direct flight from O'Hare International Airport to Ottawa.

  • O'Hare International Airport is located in Chicago. Operating on the UTC-4 timezone, Ottawa is 1 hour ahead of Chicago.

  • O'Hare International Airport (ORD) to Ottawa/Macdonald-Cartier International Airport (YOW) is the most popular route, with 26 weekly departures to choose from. If you prefer starting your day later, the last flight from ORD to YOW is with United at 18:35. Choose the first departure operated by United at 07:15 if you want to fly out earlier.

  • Give yourself enough time to catch your flight from ORD to Ottawa. It's generally best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • If you're travelling during a popular month like August, get to the terminal even earlier. You'll want to arrive up to four hours before international flights and two hours ahead of a domestic departure. You can expect lines to be longer during holiday periods like summer, Christmas and New Year.

  • You can book a direct flight from O'Hare International Airport to Ottawa. Start your trip at ORD and touch down at Ottawa/Macdonald-Cartier International Airport (YOW).

  • United is a well-known carrier that offers direct flights from O'Hare International Airport to Ottawa.

  • We make it a piece of cake to find a flight from ORD to Ottawa with a stopover. To see all your options, deselect 'Direct flights only.' Next, choose a flight offering a stop long enough to see the sights of your chosen city. Popular stopovers include:

    • Montreal-Pierre Elliott Trudeau International Airport (YUL)

    • Newark Liberty International Airport (EWR)

    • Pearson International Airport (YYZ)

  • If you have a passport from United States and plan to travel to Canada for tourism purposes, you won't need a visa. However, entry and visa requirements may differ based on the duration of your stay and are subject to change. For the latest rules, check with your destination's nearest consulate or embassy before reserving a cheap ticket from O'Hare International Airport to Ottawa.

  • ORD is about 40 kilometres from central Chicago. If you're driving, ride-sharing or catching a cab from the centre, it'll take 35 minutes or so to get there, depending on traffic conditions. If you're taking public transport, expect the travel time to be around 54 minutes.

  • Want a stress-free start to your travels? Stay near ORD. Whether you're taking an early flight from O'Hare International Airport to Ottawa or just don't want to be rushed, these hotels are the answer:

How to find the cheapest flights from O'Hare International Airport (ORD) to Ottawa

  • The best price we've seen for a one-way ticket from O'Hare International Airport to Ottawa is Rs35,717. The cheapest price for a return flight is Rs67,817. Bear in mind fares may change due to demand at the time of booking.

  • Book 9 months before you want to travel. After crunching the numbers on our calendar, this is how far you should book ahead to find cheap tickets from ORD to Ottawa.

  • Schedule your trip for May. That's the cheapest month for tickets from O'Hare International Airport to Ottawa. If you're flexible with your dates, use the 'Whole month' tool to find the cheapest price across every month.

  • Set up a Price Alert for flight tickets from ORD to Ottawa. You don't need to search every day to find out if prices have dropped. We'll update you the moment the price changes.

  • Tailor your travel plans with filters. Choose your ideal arrival and departure times, airlines and total journey duration. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest' flights from O'Hare International Airport to Ottawa.

Airports in Ottawa

Ottawa Gatineau Airport (YND)

Ottawa/Macdonald-Cartier International Airport (YOW)

  • Ottawa/Macdonald-Cartier International Airport (YOW) is around 13 kilometres from central Ottawa. After your flight from O'Hare International Airport to Ottawa, it'll take you around 19 minutes to reach the heart of the city in a cab or ride-share.

  • Travelling by public transport will take about 43 minutes.

  • Hang the 'Do not disturb' sign on your door and relax at a hotel near YOW. Here are a few options where you can settle in after your flight from ORD to Ottawa:

Best time to go to Ottawa

  • Travel to Ottawa during high season if you prefer a busy atmosphere, but remember that hotel prices are usually higher. Alternatively, schedule your flights from O'Hare International Airport to Ottawa during the off-season when prices are cheaper and it's quieter.

  • The warmest month in Ottawa is July, with the temperature ranging between 13ºC and 27ºC. Lock in your flights from O'Hare International Airport to Ottawa in this month if you enjoy this type of weather.

  • Look for cheap flights from ORD to Ottawa in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between -19ºC and -2ºC on average.

More about Ottawa

  • When it comes to looking for somewhere to lay your head, you'll find the top stays in Ottawa right here. Browse these options once you've locked in your flight from O'Hare International Airport to Ottawa:

  • There are so many things to explore in this city it can be hard to work out where to start. Parliament Hill, Rideau Canal and National Gallery of Canada are highlights which should feature on any good Ottawa itinerary.

Complete your Ottawa trip with a car rental

  • We use the same magic that helped you find your cheap flight from O'Hare International Airport to Ottawa to track down awesome deals on car rentals. Search for your ride in seconds and compare offers in one place. Plus we give you all the info you need to know about car rentals in Ottawa, from the most popular rental company to the best time to book.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.