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Cheap flights from Chicago to Thunder Bay from C$ 343

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.
CHI — YQT
4 Aug — 11 Aug1
1 adult

Cheap flight deals from Chicago to Thunder Bay

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Thunder Bay (YQT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 30 July 2025.

Round-trip from

C$ 566

One-way from

C$ 343
Porter Airlines
  • Porter Airlines
  • 9/10-12/10
  • 2 total stops
  • 11h 40m total
  • Chicago to Thunder Bay
Search Deals
4/9
  • 4/9
  • 1 total stop
  • 8h 08m total
  • Chicago to Thunder Bay
Search Deals

Find flight deals from Chicago to Thunder Bay

Cheapest flights from Chicago to Thunder Bay
Explore the most affordable flight options available from Chicago to Thunder Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 July 2025.

Thu 9/109:35 a.m.MDW - YQT
1 stop6h 06mPorter Airlines
Sun 12/1011:50 a.m.YQT - MDW
1 stop5h 34mPorter Airlines
Deal found 29/7C$ 566
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$ 661

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago 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 30 July 2025.
Use the filters below to find and compare flights from Chicago to Thunder Bay that are best for you.

Fly from

Chicago

Fly to

Thunder Bay

Route

Depart

Return

Price

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Thu 9/10

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

1 stop6h 06m

Thunder Bay

Sun 12/10

11:50 a.m.-4:24 p.m.

1 stop5h 34m

C$ 566

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$ 661

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Thu 4/9

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

1 stop8h 08m

C$ 343

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Sun 17/8

9:40 a.m.-4:40 p.m.

1 stop6h 00m

C$ 414

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/7

Best time to book a flight from Chicago to Thunder Bay

Have a flexible travel schedule? Discover the best time to fly to Thunder Bay from Chicago 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 Chicago to Thunder Bay
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Thunder Bay

Get insights into the airlines that provide service to Thunder Bay. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Thunder Bay. Reviews last updated 30 July 2025.
See what other customers who have flown with Porter Airlines from Chicago to Thunder Bay have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
318 reviews
Check prices

Food

7.6

Boarding

8.2

Comfort

8.0

Crew

8.7

Overall

8.0

Entertainment

7.0

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

Food

7.6

Boarding

8.2

Comfort

8.0

Crew

8.7

Overall

8.0

Entertainment

7.0

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

Related info for your journey

Find useful and relevant information for your journey from Chicago 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 Chicago?

    Most people fly into Thunder Bay (YQT) if they book a flight to Thunder Bay from Chicago. On average, Thunder Bay has 0 inbound flights from Chicago per day from 0 airlines. Thunder Bay is conveniently located just 5.6 km from Thunder Bay’s city centre.

  • What is the cheapest airline to fly from Chicago to Thunder Bay round-trip?

    Flying on Porter Airlines is currently your cheapest option to Thunder Bay, with prices starting at C$ 566.

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

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

  • How can I find direct flights from Chicago to Thunder Bay?

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

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

    Yes. Cheapflights offers flight deals from Chicago 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 Chicago to Thunder Bay?

    Currently, June is the cheapest month in which you can book a flight from Chicago to Thunder Bay (average of C$ 207). Flying from Chicago 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.

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