How long is the flight from Illinois to Thunder Bay?

Departing from Illinois to Thunder Bay will take you 7h 42m. Illinois and Thunder Bay are separated by a distance of 742 km.

In terms of precipitation, rainfall in Thunder Bay ranges from 10.0 - 90.0 mm per month. July is typically the wettest month, when rainfall can reach 90.0 mm. February is typically the driest time to visit Thunder Bay when rainfall is around 10.0 mm.

If weather is an important factor for your trip to Thunder Bay, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -14.0 C).

What is the cheapest time of day to fly from IL to YQT?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Thunder Bay as you normally would.

What airport do you fly into for flights to Thunder Bay from Illinois?

Thunder Bay (YQT) is the airport you will fly into if you book a flight from Illinois to Thunder Bay. It is only a 5.6 km journey from Thunder Bay (YQT) to Thunder Bay’s city centre.

Can I find deals for flights from Illinois to Thunder Bay that include hotel bookings?

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

How can I find direct flights from Illinois to Thunder Bay?

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

Can I find deals for business class flights from Illinois to Thunder Bay?

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

C$ 764+ Flights from Illinois to Thunder Bay

Cheap flight deals from Illinois to Thunder Bay

Round-trip from	C$ 764

Porter Airlines
7/4-8/4
2 total stops
13h 22m total
Illinois to Thunder Bay

Search Deals

Find flight deals from Illinois to Thunder Bay

Enter your travel dates to find the best prices.

Best flights from Illinois to Thunder Bay
Discover carefully curated flight deals from Illinois to Thunder Bay that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 3 November 2025.

Tue 7/411:00 a.m.MDW - YQT

1 stop7h 42mPorter Airlines

Wed 8/410:40 a.m.YQT - MDW

1 stop5h 40mPorter Airlines

Deal found 1/11C$ 764

Tue 24/211:00 a.m.MDW - YQT

1 stop7h 42mPorter Airlines

Thu 5/38:00 a.m.YQT - MDW

1 stop27h 05mPorter Airlines

Deal found 2/11C$ 887

Cheapflights Fare Finder

Use the filters below to find and compare flights from Illinois to Thunder Bay that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Tue 7/4

11:00 a.m.-7:42 p.m.

1 stop7h 42m

Thunder Bay

Wed 8/4

10:40 a.m.-3:20 p.m.

1 stop5h 40m

C$ 764

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Tue 24/2

11:00 a.m.-7:42 p.m.

1 stop7h 42m

Thunder Bay

Thu 5/3

8:00 a.m.-10:05 a.m.

1 stop27h 05m

C$ 887

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/11

Best time to book a flight from Illinois to Thunder Bay

Have a flexible travel schedule? Discover the best time to fly to Thunder Bay from Illinois with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Thunder Bay

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly into for flights to Thunder Bay from Illinois?
Thunder Bay (YQT) is the airport you will fly into if you book a flight from Illinois to Thunder Bay. It is only a 5.6 km journey from Thunder Bay (YQT) to Thunder Bay’s city centre.
How long is the flight from Illinois to Thunder Bay?
Departing from Illinois to Thunder Bay will take you 7h 42m. Illinois and Thunder Bay are separated by a distance of 742 km.
Can I find deals for flights from Illinois to Thunder Bay that include hotel bookings?
Yes. In addition to deals on Illinois to Thunder Bay flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Illinois to Thunder Bay?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Thunder Bay.
Can I find deals for business class flights from Illinois to Thunder Bay?
Yes. Cheapflights offers flight deals from Illinois to Thunder Bay by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

How does Cheapflights help users find flights from Illinois to Thunder Bay?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Thunder Bay from Illinois today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Illinois to Thunder Bay?

Millions of users choose and trust Cheapflights to book the best flight deals from Illinois to Thunder Bay for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Illinois to Thunder Bay with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Illinois to Thunder Bay, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Illinois to Thunder Bay become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.