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Cheap flights from Illinois to Thunder Bay from $261

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 7/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Illinois to Thunder Bay

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:20 pm - 8:55 am
ORD
-
YQT
16h 35m
1 stop
Multiple Airlines Logo
10:10 am - 9:35 pm
YQT
-
ORD
12h 25m
1 stop
$393Multiple Airlines
Fri, Sep 25 - Thu, Oct 1
Multiple Airlines Logo
3:20 pm - 8:55 am
ORD
-
YQT
16h 35m
1 stop
Multiple Airlines Logo
10:10 am - 9:35 pm
YQT
-
ORD
12h 25m
1 stop
$402Multiple Airlines
Wed, Sep 23 - Thu, Oct 1
Multiple Airlines Logo
3:20 pm - 8:55 am
ORD
-
YQT
16h 35m
1 stop
Multiple Airlines Logo
10:10 am - 9:35 pm
YQT
-
ORD
12h 25m
1 stop
$436Multiple Airlines
Fri, Sep 25 - Sun, Oct 4
Multiple Airlines Logo
3:20 pm - 8:55 am
ORD
-
YQT
16h 35m
1 stop
Multiple Airlines Logo
10:10 am - 9:35 pm
YQT
-
ORD
12h 25m
1 stop
$446Multiple Airlines
Wed, Sep 23 - Sun, Oct 4
Multiple Airlines Logo
3:20 pm - 8:55 am
ORD
-
YQT
16h 35m
1 stop
Multiple Airlines Logo
11:35 am - 9:35 pm
YQT
-
ORD
11h 00m
2 stops
$468Multiple Airlines
Sat, Sep 26 - Tue, Sep 29
Multiple Airlines Logo
3:20 pm - 9:45 pm
ORD
-
YQT
5h 25m
1 stop
Multiple Airlines Logo
10:10 am - 9:35 pm
YQT
-
ORD
12h 25m
1 stop
$473Multiple Airlines
Tue, Sep 29 - Thu, Oct 1
Multiple Airlines Logo
3:20 pm - 8:55 am
ORD
-
YQT
16h 35m
1 stop
Multiple Airlines Logo
11:35 am - 9:35 pm
YQT
-
ORD
11h 00m
2 stops
$484Multiple Airlines
Sat, Sep 26 - Tue, Oct 6
Multiple Airlines Logo
3:20 pm - 9:45 pm
ORD
-
YQT
5h 25m
1 stop
Multiple Airlines Logo
10:10 am - 9:35 pm
YQT
-
ORD
12h 25m
1 stop
$486Multiple Airlines
Mon, Sep 28 - Thu, Oct 1
Porter Airlines Logo
11:45 am - 7:20 pm
ORD
-
YQT
6h 35m
1 stop
Porter Airlines Logo
5:15 pm - 9:35 pm
YQT
-
ORD
5h 20m
1 stop
$532Porter Airlines
Sun, Sep 27 - Fri, Oct 2
Porter Airlines Logo
11:45 am - 7:20 pm
ORD
-
YQT
6h 35m
1 stop
Porter Airlines Logo
5:15 pm - 9:35 pm
YQT
-
ORD
5h 20m
1 stop
$535Porter Airlines
Mon, Sep 28 - Fri, Oct 2

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Air Canada flights from Illinois to Thunder Bay

Our best Air Canada deals on Illinois to Thunder Bay flight tickets
Air Canada
Sep 29
ORD3:45 pmChicago O'Hare Intl
6h 03m
1 stop
YQT10:48 pmThunder Bay
Sep 30
YQT5:05 amThunder Bay
10h 47m
2 stops
ORD2:52 pmChicago O'Hare Intl
$654
Air Canada
Sep 29
ORD11:05 amChicago O'Hare Intl
10h 43m
2 stops
YQT10:48 pmThunder Bay
Sep 30
YQT11:45 amThunder Bay
9h 27m
2 stops
ORD8:12 pmChicago O'Hare Intl
$663
Air Canada
Aug 20
ORD9:50 amChicago O'Hare Intl
6h 39m
1 stop
YQT5:29 pmThunder Bay
Aug 23
YQT11:20 amThunder Bay
6h 37m
1 stop
ORD4:57 pmChicago O'Hare Intl
$678

Porter Airlines flights from Illinois to Thunder Bay

Our best Porter Airlines deals on Illinois to Thunder Bay flight tickets
Porter Airlines
Sep 27
ORD11:45 amChicago O'Hare Intl
6h 35m
1 stop
YQT7:20 pmThunder Bay
Oct 2
YQT5:15 pmThunder Bay
5h 20m
1 stop
ORD9:35 pmChicago O'Hare Intl
$532
Porter Airlines
Sep 28
ORD11:45 amChicago O'Hare Intl
6h 35m
1 stop
YQT7:20 pmThunder Bay
Oct 2
YQT5:15 pmThunder Bay
5h 20m
1 stop
ORD9:35 pmChicago O'Hare Intl
$535
Porter Airlines
Sep 27
ORD11:45 amChicago O'Hare Intl
6h 35m
1 stop
YQT7:20 pmThunder Bay
Oct 1
YQT5:15 pmThunder Bay
5h 20m
1 stop
ORD9:35 pmChicago O'Hare Intl
$537

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 June 25, 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

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Fri 9/25

3:20 pm-8:55 am

1 stop16h 35m

Thunder Bay

Thu 10/1

10:10 am-9:35 pm

1 stop12h 25m

$393

ChicagoThunder Bay

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Wed 9/23

3:20 pm-8:55 am

1 stop16h 35m

Thunder Bay

Thu 10/1

10:10 am-9:35 pm

1 stop12h 25m

$402

ChicagoThunder Bay

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Fri 9/25

3:20 pm-8:55 am

1 stop16h 35m

Thunder Bay

Sun 10/4

10:10 am-9:35 pm

1 stop12h 25m

$436

ChicagoThunder Bay

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Wed 9/23

3:20 pm-8:55 am

1 stop16h 35m

Thunder Bay

Sun 10/4

10:10 am-9:35 pm

1 stop12h 25m

$446

ChicagoThunder Bay

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Sat 9/26

3:20 pm-8:55 am

1 stop16h 35m

Thunder Bay

Tue 9/29

11:35 am-9:35 pm

2 stops11h 00m

$468

ChicagoThunder Bay

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Tue 9/29

3:20 pm-9:45 pm

1 stop5h 25m

Thunder Bay

Thu 10/1

10:10 am-9:35 pm

1 stop12h 25m

$473

ChicagoThunder Bay

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Sat 9/26

3:20 pm-8:55 am

1 stop16h 35m

Thunder Bay

Tue 10/6

11:35 am-9:35 pm

2 stops11h 00m

$484

ChicagoThunder Bay

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Mon 9/28

3:20 pm-9:45 pm

1 stop5h 25m

Thunder Bay

Thu 10/1

10:10 am-9:35 pm

1 stop12h 25m

$486
Quickest round-trip

ChicagoThunder Bay

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Sun 9/27

11:45 am-7:20 pm

1 stop6h 35m

Thunder Bay

Fri 10/2

5:15 pm-9:35 pm

1 stop5h 20m

$532

ChicagoThunder Bay

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Mon 9/28

11:45 am-7:20 pm

1 stop6h 35m

Thunder Bay

Fri 10/2

5:15 pm-9:35 pm

1 stop5h 20m

$535

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 airline that flies from Illinois to Thunder Bay?

Porter Airlines, WestJet, and Air Canada are the most popular carriers operating from Illinois to Thunder Bay

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

Fastest flight time

5h 25m

Direct flights

None
The fastest flight from Illinois to Thunder Bay takes 5h 25m
There are no direct flights from Illinois to Thunder Bay. There are no popular flight routes from Illinois to Thunder Bay.
Search flight deals

Frequently asked questions about flying from Illinois to Thunder Bay

  • 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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