Cheap Flights from Chicago O'Hare International to Ottawa

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      Compare Chicago O'Hare International to Ottawa flight deals

      Find the cheapest month or even day of the year to fly to Ottawa

      Book the best Ottawa fare with no extra fees

      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 Airport to Ottawa? If you want to travel next month, return fares start from Rs99,840. 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 November.

      Direct flights from Chicago O'Hare International to Ottawa

      Air Canada
      Air New Zealand
      ANA (All Nippon Airways)
      Avianca
      Emirates
      Republic Airways
      United

      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 foundRs41,528
      Cheapest month to flyNovember
      Average flight time2 hrs, 19 mins
      Most popular airlineUnited
      Average flights per week206

      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 Rs91,395. 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 19 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 September 2026, there are 98 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 September.
      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 Rs91,395.
      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 Wednesday, 30 September 2026.
      Yes – the average flight time is 2 hours and 19 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 September, the average temperature is usually around 16°C. July is typically the warmest month in Ottawa, when it usually averages around 26°C. You can expect the least rain in January. The coldest month is January, with temperatures averaging -12°C. The rainiest month is June.
      Currently, Air Canada and United offer the cheapest flight tickets to Ottawa.

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

      • Approximately 2 hours 20 minutes is how long you can expect to be in the air on a direct flight from Chicago O'Hare International Airport to Ottawa.

      • Ottawa is one hour ahead of Chicago, where Chicago O'Hare International Airport is located. Ottawa follows the UTC-5 timezone.

      • With 20 flights a week between the two airports, Chicago O'Hare International Airport (ORD) to Ottawa Macdonald-Cartier International Airport (YOW) is the busiest route. United Airlines operates the earliest flight at 07:15. If you're eager to make the most of your day before jetting off, the last departure from ORD to YOW is with United Airlines at 18:20.

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

      • Travelling during a peak month such as July? Public holidays and other high seasons can lead to longer queues and delays at check-in and security. Play things extra safe and arrive up to four hours before international flights and two hours before a domestic departure.

      • You can book a direct Chicago O'Hare International Airport to Ottawa ticket. Start your journey at ORD and touch down at Ottawa Macdonald-Cartier International Airport (YOW).

      • Book your favourite seat with United Airlines. This well-known carrier operates direct flights from Chicago O'Hare International Airport to Ottawa.

      • Stopovers are the ideal opportunity to break up your trip and perhaps even visit a new city. When browsing for plane tickets from ORD to Ottawa, uncheck the 'Direct flights only' box to see where you can visit along the way. Popular options include:

        • Newark Liberty International Airport (EWR)

        • Toronto Pearson International Airport (YYZ)

        • Montreal-Trudeau International Airport (YUL)

      • ORD is about 26 kilometres from central Chicago. If you're driving, catching a taxi or ride-sharing from the centre, it'll take you 30 minutes or so to get there, depending on traffic conditions. If you're using public transport, expect the trip time to be around 45 minutes.

      • In search of a hotel near ORD? If you're catching an early flight from Chicago O'Hare International Airport to Ottawa, these accommodation options set you up for a seamless send-off:

      • Of the departures from Chicago O'Hare International Airport, 70% land on time at their destination.

      • You'll find ORD at 10000 West O'Hare.

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

      • Rs41,528 is currently the lowest price for a one-way Chicago O'Hare International Airport to Ottawa flight. A return plane ticket starts from Rs91,395. These prices can change based on availability.

      • Don't leave everything to the last moment. You're more likely to find cheap flights from ORD to Ottawa if you book in advance. Airlines often offer some fantastic early bird deals.

      • Finding cheap tickets from Chicago O'Hare International Airport to Ottawa is easier if you're flexible with your trip dates. Try using the 'Whole month' tool to access the best prices across every month and snap up a sweet deal.

      • Spend less time searching for cheap flights from ORD to Ottawa by setting up a Price Alert. You'll get an email or notification on the app when a new discounted fare appears.

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

      Airports in Ottawa

      Ottawa Macdonald-Cartier International Airport (YOW)

      • Ottawa Macdonald-Cartier International Airport (YOW) to central Ottawa takes around 20 minutes by car. The centre is roughly 14 kilometres away.

      • Travelling to the centre on public transport takes around 35 minutes.

      • If you're arriving on a late flight from Chicago O'Hare International Airport to Ottawa, nothing beats the convenience of staying near the terminal. Grab your bags from the carousel and then be showered and relaxing soon after at one of these accommodation options near YOW:

      • Lock in the lowest price by reserving your ride from Ottawa Macdonald-Cartier International Airport about two weeks in advance of your flight from ORD to Ottawa.

      • The address for YOW is 50 Airport Road.

      Best time to go to Ottawa

      • July is the most popular month for flights from Chicago O'Hare International Airport to Ottawa. To steer clear of the crowds, visit Ottawa in January.

      • Lock in a Chicago O'Hare International Airport to Ottawa plane ticket with a departure in July if you're eager to explore the city during its warmest month. You can expect temperatures to range from 14ºC to 28ºC.

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

      More about Ottawa

      • Once you've booked your flight from Chicago O'Hare International Airport to Ottawa, choose a hotel that combines comfort with a great location. Make one of these accommodation options your base for exploring Ottawa:

      • All great adventures should include a little sightseeing. Parliament Hill, Rideau Canal National Historic Site and Rideau Canal, Locks 1 - 8 - Ottawa are essential stops on your Ottawa itinerary.

      Explore more of Canada

      • Toronto is just one of the many cities in Canada waiting to be explored once you've seen the sights of Ottawa. Around 354 kilometres away to the southwest, check out popular attractions including CN Tower, The Top CN Tower and Royal Ontario Museum.

      • If you want to check out another side of Canada, head for Montreal, about 153 kilometres east of Ottawa. Cirque du Soleil - KURIOS, Montreal Botanical Garden and Saint Joseph's Oratory of Mount Royal are the start of reasons to visit.

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.