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Cheap flights from Illinois to Thunder Bay from C$ 521

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YQT
31 Mar — 7 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Illinois to Thunder Bay

Enter your travel dates to find the best prices.

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 1 March 2026.

Sat 30/510:25 a.m.
MDW
-
YQT
1 stop21h 30m
Multiple Airlines
Sat 6/610:10 a.m.
YQT
-
MDW
1 stop24h 30m
Multiple Airlines
Deal found 25/2C$ 521
Thu 10/910:25 a.m.
MDW
-
YQT
1 stop5h 35m
Porter Airlines
Wed 16/96:00 a.m.
YQT
-
MDW
1 stop4h 40m
Porter Airlines
Deal found 25/2C$ 547
Mon 13/411:00 a.m.
MDW
-
YQT
1 stop7h 42m
Porter Airlines
Mon 20/411:50 a.m.
YQT
-
MDW
2 stops23h 25m
Porter Airlines
Deal found 26/2C$ 566
Fri 14/810:25 a.m.
MDW
-
YQT
1 stop5h 35m
Porter Airlines
Mon 24/88:15 a.m.
YQT
-
MDW
1 stop7h 20m
Porter Airlines
Deal found 26/2C$ 597
Sat 11/412:55 p.m.
MDW
-
YQT
1 stop19h 52m
Porter Airlines
Sat 18/411:50 a.m.
YQT
-
MDW
2 stops28h 30m
Porter Airlines
Deal found 25/2C$ 615
Wed 6/510:25 a.m.
MDW
-
YQT
1 stop5h 35m
Porter Airlines
Sat 9/56:00 a.m.
YQT
-
MDW
1 stop4h 40m
Porter Airlines
Deal found 25/2C$ 630
Wed 18/311:00 a.m.
MDW
-
YQT
2 stops9h 25m
Porter Airlines
Wed 1/44:15 p.m.
YQT
-
MDW
1 stop19h 00m
Porter Airlines
Deal found 25/2C$ 710

Find 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 1 March 2026.

Round-trip from

C$ 494
30/5-6/6
  • 30/5-6/6
  • 2 total stops
  • 46h 00m total
  • Illinois to Thunder Bay
Search Deals

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 629,999 searches. Data last updated 1 March 2026.
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

Mon 13/4

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

1 stop7h 42m

Thunder Bay

Mon 20/4

11:50 a.m.-10:15 a.m.

2 stops23h 25m

C$ 566

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Sat 30/5

10:25 a.m.-8:55 a.m.

1 stop21h 30m

Thunder Bay

Sat 6/6

11:35 a.m.-9:40 a.m.

2 stops23h 05m

C$ 574

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Sat 11/4

12:55 p.m.-9:47 a.m.

1 stop19h 52m

Thunder Bay

Sat 18/4

11:50 a.m.-3:20 p.m.

2 stops28h 30m

C$ 615

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Wed 18/3

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

1 stop7h 42m

Thunder Bay

Wed 1/4

4:15 p.m.-10:15 a.m.

1 stop19h 00m

C$ 721

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Sat 4/4

12:55 p.m.-9:47 a.m.

1 stop19h 52m

Thunder Bay

Tue 7/4

10:30 a.m.-10:15 a.m.

1 stop24h 45m

C$ 840

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/2

Sorted by cheapest first

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?

    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

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

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