$252 Cheap Flights from Chicago (MDW) to Thunder Bay (YQT)

View $252 flight on Thu, Oct 30, 2025Opens in a new window

Popular airlines from Chicago Midway Airport (MDW) to Thunder Bay, ON (YQT-Thunder Bay Intl.)

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Cheap Flights from Chicago to Thunder Bay (MDW-YQT)

Prices were available within the past 7 days and start at $252 for one-way flights and $513 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Porter Airlines
Thu, Nov 13 - Mon, Nov 24
MDW
Chicago
YQT
Thunder Bay
$513 Roundtrip, found 3 days ago
$513
Roundtrip
found 3 days ago
Select Porter Airlines flight, departing Thu, Nov 13 from Chicago to Thunder Bay, returning Mon, Nov 24, priced at $513 found 3 days ago
Porter Airlines
Fri, Nov 21 - Sun, Nov 23
MDW
Chicago
YQT
Thunder Bay
$513 Roundtrip, found 4 days ago
$513
Roundtrip
found 4 days ago
Select Porter Airlines flight, departing Fri, Nov 21 from Chicago to Thunder Bay, returning Sun, Nov 23, priced at $513 found 4 days ago
Porter Airlines
Sat, Nov 22 - Sun, Nov 23
MDW
Chicago
YQT
Thunder Bay
$524 Roundtrip, found 3 days ago
$524
Roundtrip
found 3 days ago
Select Porter Airlines flight, departing Sat, Nov 22 from Chicago to Thunder Bay, returning Sun, Nov 23, priced at $524 found 3 days ago
Porter Airlines
Fri, Nov 21 - Sun, Nov 23
MDW
Chicago
YQT
Thunder Bay
$537 Roundtrip, found 4 days ago
$537
Roundtrip
found 4 days ago
Select Porter Airlines flight, departing Fri, Nov 21 from Chicago to Thunder Bay, returning Sun, Nov 23, priced at $537 found 4 days ago
Porter Airlines
Mon, Oct 6 - Tue, Oct 21
MDW
Chicago
YQT
Thunder Bay
$540 Roundtrip, found 4 days ago
$540
Roundtrip
found 4 days ago
Select Porter Airlines flight, departing Mon, Oct 6 from Chicago to Thunder Bay, returning Tue, Oct 21, priced at $540 found 4 days ago
Porter Airlines
Wed, Nov 19 - Sun, Nov 23
MDW
Chicago
YQT
Thunder Bay
$548 Roundtrip, found 11 hours ago
$548
Roundtrip
found 11 hours ago
Select Porter Airlines flight, departing Wed, Nov 19 from Chicago to Thunder Bay, returning Sun, Nov 23, priced at $548 found 11 hours ago
Porter Airlines
Thu, Oct 23 - Mon, Oct 27
MDW
Chicago
YQT
Thunder Bay
$551 Roundtrip, found 4 hours ago
$551
Roundtrip
found 4 hours ago
Select Porter Airlines flight, departing Thu, Oct 23 from Chicago to Thunder Bay, returning Mon, Oct 27, priced at $551 found 4 hours ago
Porter Airlines
Tue, Nov 11 - Sun, Nov 30
MDW
Chicago
YQT
Thunder Bay
$564 Roundtrip, found 3 days ago
$564
Roundtrip
found 3 days ago
Select Porter Airlines flight, departing Tue, Nov 11 from Chicago to Thunder Bay, returning Sun, Nov 30, priced at $564 found 3 days ago
Porter Airlines
Tue, Nov 4 - Sat, Nov 8
MDW
Chicago
YQT
Thunder Bay
$567 Roundtrip, found 5 days ago
$567
Roundtrip
found 5 days ago
Select Porter Airlines flight, departing Tue, Nov 4 from Chicago to Thunder Bay, returning Sat, Nov 8, priced at $567 found 5 days ago
Porter Airlines
Fri, Oct 17 - Tue, Oct 21
MDW
Chicago
YQT
Thunder Bay
$571 Roundtrip, found 1 day ago
$571
Roundtrip
found 1 day ago
Select Porter Airlines flight, departing Fri, Oct 17 from Chicago to Thunder Bay, returning Tue, Oct 21, priced at $571 found 1 day ago

Frequently asked questions

How much does a flight from Midway Intl. Airport (MDW) to Thunder Bay Intl. Airport (YQT) cost?
Secure a cheap one-way flight from $252 or cheap return flight from $513 from Midway Intl. Airport (MDW) to Thunder Bay Intl. Airport (YQT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Midway Intl. Airport (MDW) to Thunder Bay Intl. Airport (YQT)?
November is the most affordable month to fly from MDW to YQT. Timing your trip outside of the busy season is often the key to scoring lower fares.
What is the cheapest airline that flies from Midway Intl. Airport (MDW) to Thunder Bay Intl. Airport (YQT)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest MDW to YQT flight.
How many flights per day from Midway Intl. Airport (MDW) to Thunder Bay Intl. Airport (YQT)?
There are no daily direct flights from Midway Intl. Airport (MDW) to Thunder Bay Intl. Airport (YQT). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way before you know it.
What day of the week has the most flights from MDW to YQT?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change based on a number of factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Midway Intl. Airport (MDW) to Thunder Bay Intl. Airport (YQT)?
To avoid possible delays on the Midway Intl. Airport (MDW) to Thunder Bay Intl. Airport (YQT) route, fly before 3 PM. Flights after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Midway Intl. Airport (MDW) to Thunder Bay Intl. Airport (YQT) last-minute?
Booking your ticket from MDW to YQT just before your getaway is usually more expensive. However, if you're flexible with your schedule, you could grab a cheap last-minute fare.
Is it cheaper to book a MDW to YQT flight and hotel package?
Compared with arranging hotels and flights separately, booking a MDW to YQT flight and hotel package with Expedia could lead to significant savings. Better still, having it all in one place will take the stress out of travel planning. Simply secure your flights and choose from our wide range of stays, then personalize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Midway Intl. Airport (MDW) to Thunder Bay Intl. Airport (YQT)?
If you booked your MDW to YQT flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

Travel information

Travel information

Origin airport
Midway Intl.
Destination airport
Thunder Bay Intl.
Airlines serving
Porter Airlines
Roundtrip price
$512
Distance
461 mi

Book with confidence

Book with confidence

Chicago to Thunder Bay Flights

The cheapest times to fly from Chicago to Thunder Bay

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chicago to Thunder Bay are during the month of November. You can find some of the cheapest flights from Chicago to Thunder Bay with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chicago to Thunder Bay

Sunday is one of the best days to book for cheap flights from Chicago to Thunder Bay: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Chicago to Thunder Bay

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chicago to Thunder Bay in 2025. You can also book with separate airlines for your outbound and return journeys, from $252 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chicago to Thunder Bay flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Chicago to Thunder Bay airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Chicago to Thunder Bay Flights

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*Available to One Key members.