HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Thunder Bay

$141+ Cheap flights from Illinois to Thunder Bay (YQT)

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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YQT
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Thunder Bay with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 September 15, 2025.

Round-trip from

$472
(Booking.com)

One-way from

$141
(Kiwi.com)
From Illinois to Thunder Bay
Search Deals
One-way flight from 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 September 15, 2025.

This Air Canada deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/93:55 pmORD - YQT
1 stop6h 10mAir Canada
Sat 11/225:00 amYQT - ORD
1 stop5h 13mAir Canada
Deal found 9/14$515
This United deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/93:55 pmORD - YQT
1 stop6h 10mMultiple Airlines
Sat 11/2211:15 amYQT - ORD
2 stops8h 40mMultiple Airlines
Deal found 9/14$596
This Mytrip deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/187:12 pmORD - YQT
3 stops24h 38mMultiple Airlines
Sat 9/2010:20 amYQT - ORD
2 stops23h 53mMultiple Airlines
Deal found 9/15$1,148
This oojo deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/189:35 amMDW - YQT
1 stop5h 01mPorter Airlines
Sat 9/204:00 pmYQT - MDW
1 stop25h 24mPorter Airlines
Deal found 9/15$1,210
This Air Canada deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/184:42 pmORD - YQT
1 stop5h 04mAir Canada
Sat 9/2011:00 amYQT - ORD
1 stop5h 48mAir Canada
Deal found 9/15$1,220

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Thunder Bay that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Illinois to Thunder Bay that are best for you.

Fly from

Illinois

Fly to

Thunder Bay

Route

Depart

Return

Price

ChicagoThunder Bay

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Sun 11/9

3:55 pm-11:05 pm

1 stop6h 10m

Thunder Bay

Sat 11/22

5:00 am-9:13 am

1 stop5h 13m

$515

ChicagoThunder Bay

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Sun 11/9

3:55 pm-11:05 pm

1 stop6h 10m

Thunder Bay

Sat 11/22

11:15 am-6:55 pm

2 stops8h 40m

$596

ChicagoThunder Bay

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Thu 9/18

7:12 pm-10:11 pm

2 stops25h 59m

Thunder Bay

Sat 9/20

10:20 am-9:13 am

2 stops23h 53m

$1,148

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Thu 9/18

9:35 am-3:36 pm

1 stop5h 01m

Thunder Bay

Sat 9/20

4:00 pm-4:24 pm

1 stop25h 24m

$1,210

ChicagoThunder Bay

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Thu 9/18

4:42 pm-10:46 pm

1 stop5h 04m

Thunder Bay

Sat 9/20

11:00 am-3:48 pm

1 stop5h 48m

$1,220

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Thu 10/30

1:37 pm-3:10 pm

3 stops48h 33m

$141

ChicagoThunder Bay

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Thu 10/30

7:06 pm-3:10 pm

3 stops43h 04m

$163

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Thu 10/30

11:00 am-7:42 pm

1 stop7h 42m

$225

ChicagoThunder Bay

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Thu 10/30

10:00 am-6:25 pm

1 stop7h 25m

$245

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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

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?

    If you book a flight to Thunder Bay from Illinois, you will be flying to Thunder Bay, which is the city’s only airport. Thunder Bay (YQT) is located 3.5 mi from the center of Thunder Bay.

  • How long is the flight from Illinois to Thunder Bay?

    Departing from Illinois to Thunder Bay will take you 5h 01m. Illinois and Thunder Bay are separated by a distance of 461 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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

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.
Newark to Pearson Intl flights
LaGuardia to Pearson Intl flights
John F Kennedy Intl to Pierre Elliott Trudeau Intl flights
John F Kennedy Intl to Pearson Intl flights
Newark to Toronto Island flights
LaGuardia to Pierre Elliott Trudeau Intl flights
Los Angeles to Pearson Intl flights
Newark to Pierre Elliott Trudeau Intl flights
Dallas/Fort Worth to Pearson Intl flights
O'Hare Intl to Pearson Intl flights
Boston to Pearson Intl flights
Reagan-National to Pearson Intl flights
San Francisco to Pearson Intl flights
Dulles Intl to Pearson Intl flights
Dulles Intl to Pierre Elliott Trudeau Intl flights
Seattle to Pearson Intl flights
Boston to Toronto Island flights
Reagan-National to Pierre Elliott Trudeau Intl flights
Los Angeles to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Pierre Elliott Trudeau Intl flights
Hobby to Pearson Intl flights
Dulles Intl to Toronto Island flights
Atlanta to Pearson Intl flights
Boston to Pierre Elliott Trudeau Intl flights
George Bush Intcntl to Pearson Intl flights
Minneapolis to Pearson Intl flights
San Francisco to Pierre Elliott Trudeau Intl flights
Fort Lauderdale to Pierre Elliott Trudeau Intl flights
Philadelphia to Pearson Intl flights
Midway to Toronto Island flights
Minneapolis to Pierre Elliott Trudeau Intl flights
Baltimore to Pearson Intl flights
Fort Lauderdale to Pearson Intl flights
Philadelphia to Pierre Elliott Trudeau Intl flights
Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights
Seattle to Pierre Elliott Trudeau Intl flights
Sky Harbor Intl to Pearson Intl flights
Raleigh to Pearson Intl flights
Baltimore to Pierre Elliott Trudeau Intl flights
John F Kennedy Intl to Toronto Island flights
Los Angeles to Toronto Island flights
Orlando to Pierre Elliott Trudeau Intl flights
Nashville to Pearson Intl flights
Miami to Pearson Intl flights
Miami to Pierre Elliott Trudeau Intl flights
Midway to Pearson Intl flights
Orlando to Pearson Intl flights
Atlanta to Pierre Elliott Trudeau Intl flights
Raleigh to Pierre Elliott Trudeau Intl flights
Cincinnati to Pearson Intl flights

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.