What is the cheapest month to book a flight from Illinois to Thunder Bay?

Currently, June is the cheapest month in which you can book a flight from Illinois to Thunder Bay (average of C$ 207). Flying from Illinois to Thunder Bay in December is currently the most expensive (average of C$ 307). 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.

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$ 345+ Flights from Illinois to Thunder Bay

Cheap flight deals from Illinois to Thunder Bay

Round-trip from	C$ 619
One-way from	C$ 345

Porter Airlines
1/10-6/10
3 total stops
16h 30m total
Illinois to Thunder Bay

Search Deals

4/9
1 total stop
8h 08m total
Illinois to Thunder Bay

Search Deals

Find flight deals from Illinois to Thunder Bay

Cheapest flights from Illinois to Thunder Bay
Explore the most affordable flight options available from Illinois to Thunder Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 July 2025.

Wed 1/109:35 a.m.MDW - YQT

1 stop6h 06mPorter Airlines

Mon 6/107:00 a.m.YQT - MDW

2 stops10h 24mPorter Airlines

Deal found 31/7C$ 619

Thu 4/99:35 a.m.MDW - YQT

2 stops10h 15mMultiple Airlines

Sun 7/97:25 p.m.YQT - MDW

1 stop14h 14mMultiple Airlines

Deal found 30/7C$ 663

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 31 July 2025.

Wed 1/109:35 a.m.MDW - YQT

1 stop6h 06mPorter Airlines

Mon 6/107:00 a.m.YQT - MDW

2 stops10h 24mPorter Airlines

Deal found 31/7C$ 619

Thu 4/99:35 a.m.MDW - YQT

2 stops10h 15mMultiple Airlines

Sun 7/97:25 p.m.YQT - MDW

1 stop14h 14mMultiple Airlines

Deal found 30/7C$ 663

Last-minute flights from Illinois to Thunder Bay
Discover last-minute flight deals from Illinois to Thunder Bay. Data last updated 31 July 2025 and is based on user searches.

Mon 11/85:20 p.m.MDW - YQT

1 stop14h 30mMultiple Airlines

Thu 14/811:50 a.m.YQT - MDW

1 stop5h 34mMultiple Airlines

Deal found 31/7C$ 893

Sun 24/89:40 a.m.MDW - YQT

1 stop11h 35mPorter Airlines

Thu 28/87:25 p.m.YQT - MDW

1 stop15h 25mPorter Airlines

Deal found 30/7C$ 691

Fly from

Fly to

Route

Depart

Return

Price

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Wed 1/10

9:35 a.m.-4:41 p.m.

1 stop6h 06m

Thunder Bay

Mon 6/10

7:00 a.m.-4:24 p.m.

2 stops10h 24m

C$ 619

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Thu 4/9

9:35 a.m.-8:50 p.m.

2 stops10h 15m

Thunder Bay

Sun 7/9

7:25 p.m.-8:39 a.m.

1 stop14h 14m

C$ 663

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Thu 4/9

9:35 a.m.-6:43 p.m.

1 stop8h 08m

C$ 345

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/7

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.

Reviews of airlines servicing Thunder Bay

Check out reviews from past customers who have flown with Porter Airlines from Illinois to Thunder Bay to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Porter Airlines

8.0

Very good

318 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Porter Airlines

8.0

Very good

318 reviews

Porter Airlines

8.0

Very good

318 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Jul 2025

LIS - YYZ

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.
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.
What is the cheapest month to book a flight from Illinois to Thunder Bay?
Currently, June is the cheapest month in which you can book a flight from Illinois to Thunder Bay (average of C$ 207). Flying from Illinois to Thunder Bay in December is currently the most expensive (average of C$ 307). 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.

See more FAQs

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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!

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Cheap flights from Illinois to Thunder Bay from C$ 345

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Illinois to Thunder Bay

Keep the following information in mind while searching for Illinois to Thunder Bay flight deals. Data was last updated 31 July 2025.

Round-trip from

One-way from

Find flight deals from Illinois to Thunder Bay

Cheapest flights from Illinois to Thunder BayExplore the most affordable flight options available from Illinois to Thunder Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 July 2025.

Explore the most affordable flight options available from Illinois to Thunder Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 July 2025.

Cheapflights Fare Finder

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

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.

Cheapflights Insights

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

Reviews of airlines servicing Thunder Bay

Check out reviews from past customers who have flown with Porter Airlines from Illinois to Thunder Bay to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Thunder Bay. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

What is the cheapest month to book a flight from Illinois to Thunder Bay?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Thunder Bay

See prices for flight routes from nearby airports that may be better suited for you.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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

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

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Illinois to Thunder Bay
Explore the most affordable flight options available from Illinois to Thunder Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 July 2025.