Cheap flights from Ottawa (YOW) to Illinois from $190

Located just 6.6 mi from the city center, Ottawa (YOW) is the airport most travelers will use when flying to Illinois from Ottawa.

Yes, there are multiple flights from Ottawa to Illinois for under $400. The cheapest flight booked recently is on Porter Airlines for just $322, but on average you can expect to pay $343.

Cheapflights has at least 20 direct flights from Ottawa to Illinois under $600. A good price for a nonstop flight from Ottawa to Illinois is less than $605.

There are currently 20+ open flights from Ottawa to Illinois within the next 7 days for less than $500.

To fly one-way, consider booking your trip with Porter Airlines, which is currently one of the cheapest options available, starting at $190. Air Canada flights start at $287 while deals on United Airlines start at $290 one-way.

When deciding which route to take from Ottawa to Illinois consider Ottawa - Chicago Midway, Ottawa - Chicago O'Hare Intl or Ottawa - Lambert-St Louis as they are the most popular.

The top 3 most reliable airlines when flying from Ottawa to Illinois are ANA (95%), Air Canada (86%) and United Airlines (86%).

While on average a flight from Ottawa to Illinois is generally $579, our data shows the cheapest flight currently is $277. When looking at the most popular route, (Ottawa - Chicago Midway), you can expect to pay $321 for that flight.

These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Ottawa Airport to Chicago O'Hare Intl Airport flight would often be abbreviated as a YOW to ORD flight. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Springfield Capital Airport (SPI).

The amount of baggage you can bring on your Ottawa to Illinois flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

Yes, Cheapflights allows you to browse and filter Ottawa to Illinois flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

Many airlines flying from Ottawa to Illinois offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

Yes, you can often find last-minute deals on Ottawa to Illinois flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

The Ottawa to Illinois flight deals you see on this page were last updated on 5/30.

Currently, February is the cheapest month in which you can book a flight from Ottawa to Illinois (average of $244). Flying from Ottawa to Illinois in June is currently the most expensive (average of $326). 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.