Cheap Flights from Chicago to Ottawa

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Flight deals from Chicago to Ottawa

Looking for a cheap last-minute deal or the best return flight from Chicago to Ottawa? If you want to travel next month, return fares start from Rs110,715. Find the lowest prices on one-way and return tickets right here.

Ottawa.Rs44,817 per passenger.Departing Tue, 8 Sep.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Chicago O'Hare International on Tue, 8 Sep, arriving in Ottawa International.Price includes taxes and charges.From Rs44,817, select.

Ottawa.Rs49,017 per passenger.Departing Thu, 23 Jul.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Chicago Midway on Thu, 23 Jul, arriving in Ottawa International.Price includes taxes and charges.From Rs49,017, select.

Ottawa.Rs49,150 per passenger.Departing Wed, 5 Aug.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Chicago Midway on Wed, 5 Aug, arriving in Ottawa International.Price includes taxes and charges.From Rs49,150, select.

Ottawa.Rs53,134 per passenger.Departing Sun, 4 Oct.One-way flight with Allegiant Air.Outbound indirect flight with Allegiant Air, departs from Chicago Rockford on Sun, 4 Oct, arriving in Ottawa International.Price includes taxes and charges.From Rs53,134, select.

Ottawa.Rs53,496 per passenger.Departing Sun, 6 Dec.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Chicago O'Hare International on Sun, 6 Dec, arriving in Ottawa International.Price includes taxes and charges.From Rs53,496, select.

Ottawa.Rs60,091 per passenger.Departing Tue, 10 Nov.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Chicago O'Hare International on Tue, 10 Nov, arriving in Ottawa International.Price includes taxes and charges.From Rs60,091, select.

Ottawa.Rs72,827 per passenger.Departing Fri, 1 Jan.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Chicago O'Hare International on Fri, 1 Jan, arriving in Ottawa International.Price includes taxes and charges.From Rs72,827, select.

Ottawa.Rs73,212 per passenger.Departing Thu, 25 Feb.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Chicago O'Hare International on Thu, 25 Feb, arriving in Ottawa International.Price includes taxes and charges.From Rs73,212, select.

Ottawa.Rs89,848 per passenger.Departing Thu, 25 Mar.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Chicago O'Hare International on Thu, 25 Mar, arriving in Ottawa International.Price includes taxes and charges.From Rs89,848, select.

Ottawa.Rs109,156 per passenger.Departing Thu, 27 May.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Chicago O'Hare International on Thu, 27 May, arriving in Ottawa International.Price includes taxes and charges.From Rs109,156, select.

Ottawa.Rs110,731 per passenger.Departing Tue, 18 Aug.One-way flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Tue, 18 Aug, arriving in Ottawa International.Price includes taxes and charges.From Rs110,731, select.

Ottawa.Rs111,087 per passenger.Departing Thu, 27 May.One-way flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Thu, 27 May, arriving in Ottawa International.Price includes taxes and charges.From Rs111,087, select.

Ottawa.Rs111,087 per passenger.Departing Tue, 27 Oct.One-way flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Tue, 27 Oct, arriving in Ottawa International.Price includes taxes and charges.From Rs111,087, select.

Ottawa.Rs111,087 per passenger.Departing Thu, 25 Mar.One-way flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Thu, 25 Mar, arriving in Ottawa International.Price includes taxes and charges.From Rs111,087, select.

Ottawa.Rs111,097 per passenger.Departing Fri, 4 Sep.One-way flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Fri, 4 Sep, arriving in Ottawa International.Price includes taxes and charges.From Rs111,097, select.

Ottawa.Rs113,394 per passenger.Departing Sun, 1 Nov.One-way flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Sun, 1 Nov, arriving in Ottawa International.Price includes taxes and charges.From Rs113,394, select.

Find the cheapest month to fly from Chicago to Ottawa

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

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Direct flights from Chicago to Ottawa

Alternative Chicago to Ottawa routes

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

Ottawa International

11km from central Ottawa

ClosestCheapest

from Rs44,817

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Ottawa Gatineau

15km from central Ottawa

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Chicago to Ottawa: Flight information

The things to know before you go.

Cheapest flight found	Rs44,817
Cheapest month to fly	September
Average flight time	2 hrs, 16 mins
Most popular airline	United
Average flights per week	96

Finding cheap flights from Chicago to Ottawa: Frequently asked questions

How many airports are there in Ottawa?

There are 2 airports in Ottawa: Ottawa International and Ottawa Gatineau.

How much are return flights from Chicago to Ottawa?

The best price we found for a return flight from Chicago to Ottawa is Rs106,016. 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.

How long does it take to fly from Chicago to Ottawa?

2 hours and 16 minutes is the average flight time from Chicago to Ottawa.

Which airlines fly direct from Chicago to Ottawa?

United, Republic Airways and Air New Zealand fly direct from Chicago to Ottawa.

How many flights are there a week from Chicago to Ottawa?

As of July 2026, there are 96 flights per week flying from Chicago to Ottawa.

When is the cheapest time to fly from Chicago to Ottawa?

The cheapest month to fly from Chicago to Ottawa is usually September.

Which is the cheapest airport to fly into in Ottawa?

If you're flying from Chicago, 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 Rs106,016.

Which upcoming date is cheapest to fly from Chicago to Ottawa on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to Ottawa on Wednesday, 16 September 2026.

Can I get a direct flight from Chicago to Ottawa?

Yes – the average flight time is 2 hours and 16 minutes.

How can I get the best flight deal from Chicago to Ottawa?

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.

When is the best time to book flights to Ottawa?

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.

What’s the weather like in Ottawa?

In July, the average temperature is usually around 20°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.

Which is the cheapest airline to fly from Chicago to Ottawa with?

The cheapest airline that flies to Ottawa is Porter Airlines. And the cheapest airline that flies to Ottawa Gatineau Airport is United.

Travelling from Chicago to Ottawa: what you need to know

Begin planning your holiday by considering where you'll board your flight from Chicago to Ottawa. Chicago O'Hare International Airport (ORD) and Chicago Midway Airport (MDW) are the main airports in Chicago.
Hop off the plane at Ottawa International Airport (YOW), the primary gateway of Ottawa.
The average duration of a direct Chicago to Ottawa flight is 2 hours 15 minutes.
The timezone in Ottawa is UTC-5, which is one hour ahead of Chicago.
With 20 flights a week between the two airports, Chicago O'Hare International Airport (ORD) to Ottawa International Airport (YOW) is the busiest route. Hop on the first flight from Chicago to Ottawa with United Airlines at 07:15. If you prefer to make the most of your day before jetting off, the latest flight from ORD to YOW is with United Airlines at 18:20.
To ensure you catch your Chicago to Ottawa flight, leave enough time for things like baggage drop and finding your gate. Turning up two hours before international departures and one hour before domestic flights is the general rule to follow.
During popular months such as July, it's a good idea to get to the airport earlier than usual. Arrive two hours before domestic departures and four hours ahead for an international flight when you travel during high season in general.

How to find the cheapest flights from Chicago to Ottawa

Don't leave things to the last minute. You're more likely to find cheap Chicago to Ottawa flights if you book in advance. Airlines often offer some fantastic early bird rates.
The 'Whole month' search tool will show you the cheapest plane tickets from Chicago to Ottawa throughout the entire month. It's a great way to find a bargain if your plans aren't set in stone.
Getting a cheap flight from Chicago to Ottawa is a breeze with Price Alerts. Simply set up one of these automatic alerts and we'll notify you when there's a better deal.
Tailor your travel plans using filters. Choose your ideal departure and arrival times, airlines and total journey duration. You can also sort the results by 'Fastest,' 'Best' or 'Cheapest' Chicago to Ottawa flights.

Flying from Chicago

Chicago O'Hare International Airport (ORD)

Jet off from Chicago O'Hare International Airport (ORD) on a nonstop flight from Chicago to Ottawa. From ORD, you can fly directly to Ottawa International Airport (YOW).
United Airlines is a popular airline that offers direct Chicago to Ottawa plane tickets from ORD.
Consider adding a stopover to potentially save on your Chicago to Ottawa flight. Just uncheck 'Direct flights only' when browsing departures from Chicago O'Hare International Airport. Break up the journey at one of these popular options:
- New York Newark Airport (EWR)
- Toronto Pearson International Airport (YYZ)
- Montreal Pierre Elliott Trudeau Airport (YUL)
Located around 26 kilometres from central Chicago, ORD can be reached in about 30 minutes by car (depending on traffic). The journey by public transport will take roughly 45 minutes.
Catching an early flight from Chicago to Ottawa? Avoid the stress of rushing to the airport (and sneak in some extra precious sleep) by choosing one of these stays near Chicago O'Hare International Airport:
When it comes to Chicago O'Hare International Airport's on-time performance, data shows 70% of flights arrive within the scheduled time frame.
ORD is located at 10000 West O'Hare.

Chicago Midway Airport (MDW)

Break up your Chicago to Ottawa flight with a stop so you can recharge or tick a new place off your list. Top stopovers between Chicago Midway Airport and Ottawa are:
- Orlando International Airport (MCO)
- Washington Ronald Reagan Airport (DCA)
- Tampa International Airport (TPA)
On public transport, you can travel from central Chicago to MDW in around 30 minutes. The terminal is roughly 14 kilometres away. Driving will take you about 25 minutes.
Start your holiday early with an extra night away from home. Before catching your flight from Chicago to Ottawa, kick back in one of these hotels near Chicago Midway Airport:
As far as flight punctuality goes, Chicago Midway Airport has an on-time arrival performance of 76%.
You'll find MDW at 5700 South Cicero.

Arriving in Ottawa

Ottawa International Airport (YOW)

Ottawa International Airport (YOW) is approximately 11 kilometres from central Ottawa. If you're catching a taxi or a ride-share, the drive takes roughly 20 minutes.
It usually takes 35 minutes to get there when travelling by public transport.
Reserve a hotel near YOW if you have a late flight from Chicago to Ottawa. Settle into one of these options and skip the long transfer:
Fast-track your adventure by picking up a Ottawa International Airport rental car. Grab a set of wheels from Routes Car Rentals, Alamo or Budget to explore Ottawa and beyond.
To lock in the lowest price, book your ride from Ottawa International Airport around two weeks ahead of your Chicago to Ottawa flight.
You'll find YOW at 50 Airport Road.

Ottawa Gatineau Airport (YND)

If you're staying in Ottawa's centre (or just want to explore straight away), the city is around 14 kilometres from Ottawa Gatineau Airport (YND). Keep an eye out for any information desks to help direct you after hopping off your flight from Chicago to Ottawa.
Hang the 'Do not disturb' sign on your door and relax at a hotel near YND. Here are a few options where you can settle in after your flight from Chicago to Ottawa:
Save time at the rental desk by completing your booking beforehand. Reserve your ride from YND ahead of time so you can just grab the keys and be on your way.

Best time to go to Ottawa

It's time to work out your trip dates for your flight from Chicago to Ottawa. July is the busiest month to travel to Ottawa. If you like a more relaxed vibe, go in November.
Book a Chicago to Ottawa ticket departing in July if you're eager to explore the city during its warmest month. You can expect temperatures in Ottawa to range from 14ºC to 28ºC.
Look for cheap flights from Chicago to Ottawa in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between -19ºC and -2ºC on average.

More about Ottawa

Start your Ottawa trip off on the right foot by choosing the perfect place to stay. After booking your flight from Chicago to Ottawa, browse our range of hotels including:
Every great adventure has to include a little sightseeing. Rideau Canal National Historic Site, Parliament Hill and Rideau Canal, Locks 1 - 8 - Ottawa are must-visits when exploring Ottawa.

Explore more of Canada

You've visited Ottawa, now it's time to explore other corners of Canada. Travel around 354 kilometres southwest to Toronto to check off its top attractions. From CN Tower to Royal Ontario Museum and Toronto Islands, there's plenty to keep you on the go.
If you're interested in discovering another major destination in Canada, head for Montreal, roughly 161 kilometres east of Ottawa. Notre-Dame Basilica of Montreal, Montreal International Jazz Festival and Cirque du Soleil are key highlights.