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Cheap flights from Illinois to Thunder Bay from $220

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Thunder Bay departing on 11/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Multiple Airlines Logo
11:55 am - 8:50 amORD-YQT
19h 55m2 stops
Multiple Airlines Logo
6:00 am - 9:33 pmYQT-ORD
16h 33m3 stops
$456Multiple Airlines
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Fri, Oct 24 - Fri, Oct 31
Multiple Airlines Logo
11:55 am - 8:50 amORD-YQT
19h 55m2 stops
Multiple Airlines Logo
9:30 am - 9:33 pmYQT-ORD
13h 03m2 stops
$465Multiple Airlines
Find Deal
Fri, Oct 24 - Fri, Oct 31
Porter Airlines Logo
11:00 am - 7:42 pmMDW-YQT
7h 42m1 stop
Porter Airlines Logo
10:40 am - 3:20 pmYQT-MDW
5h 40m1 stop
$479Porter Airlines
Find Deal
Wed, Feb 11 - Mon, Feb 16
Multiple Airlines Logo
5:30 pm - 8:50 pmORD-YQT
26h 20m3 stops
Multiple Airlines Logo
6:00 am - 9:33 pmYQT-ORD
16h 33m3 stops
$517Multiple Airlines
Find Deal
Fri, Oct 24 - Fri, Oct 31
Air Canada Logo
3:50 pm - 10:46 pmORD-YQT
5h 56m1 stop
Air Canada Logo
5:00 am - 9:15 amYQT-ORD
5h 15m1 stop
$526Air Canada
Find Deal
Fri, Oct 24 - Fri, Oct 31
Porter Airlines Logo
11:00 am - 7:42 pmMDW-YQT
7h 42m1 stop
Porter Airlines Logo
6:00 am - 3:20 pmYQT-MDW
10h 20m2 stops
$606Porter Airlines
Find Deal
Wed, Feb 11 - Mon, Feb 16
Multiple Airlines Logo
9:55 am - 3:45 pmORD-YQT
4h 50m1 stop
Multiple Airlines Logo
11:15 am - 6:55 pmYQT-ORD
8h 40m2 stops
$607Multiple Airlines
Find Deal
Fri, Oct 24 - Fri, Oct 31
Porter Airlines Logo
11:00 am - 9:24 pmMDW-YQT
9h 24m2 stops
Porter Airlines Logo
6:00 am - 3:20 pmYQT-MDW
10h 20m2 stops
$790Porter Airlines
Find Deal
Wed, Feb 11 - Mon, Feb 16

Porter Airlines flights from Illinois to Thunder Bay

Our best Porter Airlines deals on Illinois to Thunder Bay flight tickets
Porter Airlines
Feb 11
MDW11:00 amChicago Midway
7h 42m
1 stop
YQT7:42 pmThunder Bay
Feb 16
YQT10:40 amThunder Bay
5h 40m
1 stop
MDW3:20 pmChicago Midway
$479
Find similar
Porter Airlines
Feb 11
MDW11:00 amChicago Midway
7h 42m
1 stop
YQT7:42 pmThunder Bay
Feb 16
YQT6:00 amThunder Bay
10h 20m
2 stops
MDW3:20 pmChicago Midway
$606
Find similar
Porter Airlines
Feb 11
MDW11:00 amChicago Midway
9h 24m
2 stops
YQT9:24 pmThunder Bay
Feb 16
YQT6:00 amThunder Bay
10h 20m
2 stops
MDW3:20 pmChicago Midway
$790
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated September 25, 2025.
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

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Fri 10/24

11:55 am-8:50 am

2 stops19h 55m

Thunder Bay

Fri 10/31

6:00 am-9:33 pm

3 stops16h 33m

$456

ChicagoThunder Bay

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Fri 10/24

11:55 am-8:50 am

2 stops19h 55m

Thunder Bay

Fri 10/31

9:30 am-9:33 pm

2 stops13h 03m

$465

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Wed 2/11

11:00 am-7:42 pm

1 stop7h 42m

Thunder Bay

Mon 2/16

10:40 am-3:20 pm

1 stop5h 40m

$479

ChicagoThunder Bay

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Fri 10/24

5:30 pm-8:50 pm

3 stops26h 20m

Thunder Bay

Fri 10/31

6:00 am-9:33 pm

3 stops16h 33m

$517

ChicagoThunder Bay

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Fri 10/24

3:50 pm-10:46 pm

1 stop5h 56m

Thunder Bay

Fri 10/31

5:00 am-9:15 am

1 stop5h 15m

$526

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Wed 2/11

11:00 am-7:42 pm

1 stop7h 42m

Thunder Bay

Mon 2/16

6:00 am-3:20 pm

2 stops10h 20m

$606

ChicagoThunder Bay

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Fri 10/24

9:55 am-3:45 pm

1 stop4h 50m

Thunder Bay

Fri 10/31

11:15 am-6:55 pm

2 stops8h 40m

$607

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Wed 2/11

11:00 am-9:24 pm

2 stops9h 24m

Thunder Bay

Mon 2/16

6:00 am-3:20 pm

2 stops10h 20m

$790

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Sun 11/9

6:15 am-3:10 pm

2 stops31h 55m

$220

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Sun 11/9

11:00 am-7:42 pm

1 stop7h 42m

$229

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to Thunder Bay from

How to get the cheapest flight ticket from Illinois to Thunder Bay

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Thunder Bay?

The cheapest day to depart from Illinois to Thunder Bay is on a Saturday when prices can be found for as low as $502. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Thunder Bay on Thursday is $662.

What is the cheapest time of day to depart on your flight to Thunder Bay?

According to our data, the cheapest time of day to fly to Thunder Bay is in the morning. momondo users have found flights departing from Illinois to Thunder Bay in the morning for as low as $497. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Thunder Bay are more costly in the afternoon, with an average ticket price of $669. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Cheap Illinois to Thunder Bay flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Thunder Bay

Direct flights

None
There are no direct flights from Illinois to Thunder Bay. There are no popular flight routes from Illinois to Thunder Bay.
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  • When did momondo last update prices for flights from Illinois to Thunder Bay Airport?

    Prices for flights from Illinois to Thunder Bay Airport refresh daily.

  • How old do you have to be to fly from Illinois to Thunder Bay Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Thunder Bay Airport.

  • What documentation or ID do you need to fly to Thunder Bay Airport?

    The travel and health documents you'll need for your trip to Thunder Bay Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Thunder Bay Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Thunder Bay?

It is quick and easy to find Illinois to Thunder Bay flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Thunder Bay that suits you.

Can I find flights from Illinois to Thunder Bay with flexible booking policies on momondo?

Yes. All flights to Thunder Bay from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Illinois to Thunder Bay?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Thunder Bay from Illinois.

I’m not ready to book a flight from Illinois to Thunder Bay right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Thunder Bay from Illinois. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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