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Thunder Bay

$545+ Cheap flights from Illinois to Thunder Bay (YQT)

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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YQT
Dec 4 — Dec 111
Thu 12/4
Thu 12/11
1 adult, Economy
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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 November 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$534
(Air Canada)
Provider with most accurate pricing for Chicago (CHI)-Thunder Bay flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Thunder Bay flights.
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From Illinois to Thunder Bay
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Find flight deals from Illinois to Thunder Bay

Best flights from Illinois to Thunder Bay
Discover carefully curated flight deals from Illinois to Thunder Bay that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 4, 2025.

This Porter Airlines deal was found by Cheapflights users on 11/1. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/711:00 amMDW - YQT
1 stop7h 42mPorter Airlines
Wed 4/810:40 amYQT - MDW
1 stop5h 40mPorter Airlines
Deal found 11/1$545
This Air Canada deal was found by Cheapflights users on 11/2. 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.
Mon 2/234:47 pmORD - YQT
1 stop6h 08mAir Canada
Thu 3/55:00 amYQT - ORD
1 stop5h 13mAir Canada
Deal found 11/2$546
This Air Canada deal was found by Cheapflights users on 11/2. 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 2/2611:11 amORD - YQT
1 stop6h 24mAir Canada
Thu 3/55:00 amYQT - ORD
1 stop5h 13mAir Canada
Deal found 11/2$546
This Air Canada deal was found by Cheapflights users on 11/2. 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 2/263:55 pmORD - YQT
1 stop6h 10mAir Canada
Mon 3/211:15 amYQT - ORD
1 stop6h 24mAir Canada
Deal found 11/2$546
This oojo deal was found by Cheapflights users on 11/2. 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.
Tue 2/2411:00 amMDW - YQT
1 stop7h 42mPorter Airlines
Thu 3/58:00 amYQT - MDW
1 stop27h 05mPorter Airlines
Deal found 11/2$633
This Air Canada deal was found by Cheapflights users on 11/2. 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 2/2611:11 amORD - YQT
1 stop6h 24mAir Canada
Wed 3/411:15 amYQT - ORD
1 stop6h 24mAir Canada
Deal found 11/2$546
This Air Canada deal was found by Cheapflights users on 11/2. 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 2/263:55 pmORD - YQT
1 stop6h 10mAir Canada
Fri 3/611:15 amYQT - ORD
1 stop4h 55mAir Canada
Deal found 11/2$546
This Air Canada deal was found by Cheapflights users on 11/2. 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.
Wed 2/253:55 pmORD - YQT
1 stop7h 00mAir Canada
Wed 3/411:15 amYQT - ORD
1 stop4h 55mAir Canada
Deal found 11/2$546
This Air Canada deal was found by Cheapflights users on 11/2. 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.
Wed 2/254:47 pmORD - YQT
1 stop6h 08mAir Canada
Thu 3/55:00 amYQT - ORD
1 stop6h 09mAir Canada
Deal found 11/2$546
This Air Canada deal was found by Cheapflights users on 11/2. 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.
Mon 2/234:47 pmORD - YQT
1 stop6h 08mAir Canada
Wed 3/45:00 amYQT - ORD
1 stop5h 13mAir Canada
Deal found 11/2$546
This Air Canada deal was found by Cheapflights users on 11/1. 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.
Tue 4/74:15 pmORD - YQT
1 stop5h 44mAir Canada
Wed 4/811:10 amYQT - ORD
1 stop7h 35mAir Canada
Deal found 11/1$548

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 November 4, 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

MDW - YQT

MDWYQT

Chicago Midway

Tue 4/7

11:00 am-7:42 pm

1 stop7h 42m

Thunder Bay

Wed 4/8

10:40 am-3:20 pm

1 stop5h 40m

$545

ChicagoThunder Bay

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Mon 2/23

4:47 pm-11:55 pm

1 stop6h 08m

Thunder Bay

Thu 3/5

5:00 am-9:13 am

1 stop5h 13m

$546

ChicagoThunder Bay

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Thu 2/26

11:11 am-6:35 pm

1 stop6h 24m

Thunder Bay

Thu 3/5

5:00 am-9:13 am

1 stop5h 13m

$546

ChicagoThunder Bay

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Thu 2/26

3:55 pm-11:05 pm

1 stop6h 10m

Thunder Bay

Mon 3/2

11:15 am-4:39 pm

1 stop6h 24m

$546

ChicagoThunder Bay

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Thu 2/26

11:11 am-6:35 pm

1 stop6h 24m

Thunder Bay

Wed 3/4

11:15 am-4:39 pm

1 stop6h 24m

$546

ChicagoThunder Bay

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Thu 2/26

3:55 pm-11:05 pm

1 stop6h 10m

Thunder Bay

Fri 3/6

11:15 am-3:10 pm

1 stop4h 55m

$546

ChicagoThunder Bay

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Wed 2/25

3:55 pm-11:55 pm

1 stop7h 00m

Thunder Bay

Wed 3/4

11:15 am-3:10 pm

1 stop4h 55m

$546

ChicagoThunder Bay

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Wed 2/25

4:47 pm-11:55 pm

1 stop6h 08m

Thunder Bay

Thu 3/5

5:00 am-10:09 am

1 stop6h 09m

$546

ChicagoThunder Bay

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Mon 2/23

4:47 pm-11:55 pm

1 stop6h 08m

Thunder Bay

Wed 3/4

5:00 am-9:13 am

1 stop5h 13m

$546

ChicagoThunder Bay

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Tue 4/7

4:15 pm-10:59 pm

1 stop5h 44m

Thunder Bay

Wed 4/8

11:10 am-5:45 pm

1 stop7h 35m

$548

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 11 results
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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 6h 08m. Illinois and Thunder Bay are separated by a distance of 447 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

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