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Cheap flights from Illinois to Thunder Bay from C$ 396

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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YQT
5 Jul — 12 Jul1
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 5 June 2026.

Mon 20/73:20 p.m.
MDW
-
YQT
1 stop5h 25m
Porter Airlines
Thu 23/78:15 a.m.
YQT
-
MDW
1 stop7h 20m
Porter Airlines
Deal found 2/6C$ 775
Sun 19/73:20 p.m.
MDW
-
YQT
1 stop5h 25m
Porter Airlines
Sun 26/76:00 a.m.
YQT
-
MDW
1 stop9h 35m
Porter Airlines
Deal found 4/6C$ 814
Mon 20/71:18 p.m.
MDW
-
YQT
2 stops18h 37m
Multiple Airlines
Thu 23/78:15 a.m.
YQT
-
MDW
1 stop7h 20m
Multiple Airlines
Deal found 2/6C$ 890
Fri 31/73:20 p.m.
MDW
-
YQT
1 stop5h 25m
Porter Airlines
Mon 3/88:15 a.m.
YQT
-
MDW
1 stop7h 20m
Porter Airlines
Deal found 2/6C$ 924
Sun 19/73:20 p.m.
MDW
-
YQT
1 stop5h 25m
Multiple Airlines
Sun 26/77:50 p.m.
YQT
-
MDW
2 stops16h 17m
Multiple Airlines
Deal found 4/6C$ 1,100
Tue 2/610:15 a.m.
MDW
-
YQT
1 stop8h 05m
Porter Airlines
Tue 9/61:20 p.m.
YQT
-
MDW
1 stop21h 15m
Porter Airlines
Deal found 1/6C$ 1,724
Fri 31/712:41 p.m.
MDW
-
YQT
2 stops29h 19m
WestJet
Mon 3/87:50 p.m.
YQT
-
MDW
2 stops21h 25m
WestJet
Deal found 2/6C$ 1,948
Tue 2/66:23 a.m.
MDW
-
YQT
2 stops35h 37m
Multiple Airlines
Tue 9/611:35 a.m.
YQT
-
MDW
2 stops23h 00m
Multiple Airlines
Deal found 1/6C$ 1,982
Tue 15/99:49 a.m.
MDW
-
YQT
2 stops31h 56m
WestJet
Sat 19/97:20 p.m.
YQT
-
MDW
2 stops23h 51m
WestJet
Deal found 1/6C$ 2,204

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 5 June 2026.

Round-trip from

C$ 773

One-way from

C$ 396
Porter Airlines
  • Porter Airlines
  • 14/7-31/7
  • 2 total stops
  • 15h 00m total
  • Illinois to Thunder Bay
Search Deals
Porter Airlines
  • Porter Airlines
  • 6/8
  • 1 total stop
  • 29h 30m 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 5 June 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

Cheapest round-trip

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Sun 19/7

3:20 p.m.-9:45 p.m.

1 stop5h 25m

Thunder Bay

Sun 26/7

6:00 a.m.-2:35 p.m.

1 stop9h 35m

C$ 814

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Mon 20/7

1:18 p.m.-8:55 a.m.

2 stops18h 37m

Thunder Bay

Thu 23/7

8:15 a.m.-2:35 p.m.

1 stop7h 20m

C$ 890
Quickest round-trip

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Fri 31/7

3:20 p.m.-9:45 p.m.

1 stop5h 25m

Thunder Bay

Mon 3/8

8:15 a.m.-2:35 p.m.

1 stop7h 20m

C$ 924

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Tue 15/9

9:49 a.m.-6:45 p.m.

2 stops31h 56m

Thunder Bay

Sat 19/9

7:20 p.m.-6:11 p.m.

2 stops23h 51m

C$ 2,204

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Wed 23/9

1:47 p.m.-10:25 a.m.

2 stops43h 38m

Thunder Bay

Sat 26/9

7:20 p.m.-1:07 p.m.

2 stops42h 47m

C$ 2,262
Cheapest one-way
Quickest one-way

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Thu 6/8

3:15 p.m.-9:45 p.m.

1 stop29h 30m

C$ 396

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Thu 6/8

9:27 p.m.-8:55 a.m.

3 stops58h 28m

C$ 520

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/6

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 5h 25m. Illinois and Thunder Bay are separated by a distance of 742 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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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Alternative routes for Illinois to Thunder Bay

See prices for flight routes from nearby airports that may be better suited for you.
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Baltimore to Pearson Intl flights
George Bush Intcntl to Pearson Intl flights
Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights
Newark to Hamilton flights
LaGuardia to Toronto Island flights
Boston to Toronto Island flights
San Francisco to Pierre Elliott Trudeau Intl flights
Boston to Pierre Elliott Trudeau Intl flights
Midway to Toronto Island flights
Miami to Pierre Elliott Trudeau Intl flights
Philadelphia to Pearson Intl flights
Midway to Pearson Intl flights
Denver to Pierre Elliott Trudeau Intl flights
Raleigh to Pearson Intl flights
Baltimore to Pierre Elliott Trudeau Intl flights
Ontario to Pearson Intl flights
Minneapolis to Pierre Elliott Trudeau Intl flights
Denver to Pearson Intl flights
San Diego to Pearson Intl flights
John F Kennedy Intl to Toronto Island flights
Dallas/Fort Worth to Toronto Island flights
Reagan-National to Toronto Island flights
O'Hare Intl to Toronto Island flights
Fort Lauderdale to Pierre Elliott Trudeau Intl flights
Tampa to Pearson Intl flights
San Francisco to Toronto Island flights

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