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Cheap flights from Illinois to Thunder Bay from $303

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 7/7. 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
0 bags

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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
9:50 am - 5:24 pm
ORD
-
YQT
6h 34m
1 stop
Multiple Airlines Logo
5:15 pm - 9:35 pm
YQT
-
ORD
5h 20m
1 stop
$509Multiple Airlines
Wed, Sep 2 - Tue, Sep 8
Air Canada Logo
9:50 am - 5:24 pm
ORD
-
YQT
6h 34m
1 stop
Air Canada Logo
5:15 am - 2:52 pm
YQT
-
ORD
10h 37m
2 stops
$520Air Canada
Wed, Sep 2 - Tue, Sep 8
Porter Airlines Logo
7:00 am - 12:40 pm
ORD
-
YQT
4h 40m
1 stop
Porter Airlines Logo
5:15 pm - 9:35 pm
YQT
-
ORD
5h 20m
1 stop
$523Porter Airlines
Fri, Sep 25 - Tue, Sep 29
Air Canada Logo
11:05 am - 11:29 pm
ORD
-
YQT
11h 24m
2 stops
Air Canada Logo
5:15 am - 2:52 pm
YQT
-
ORD
10h 37m
2 stops
$529Air Canada
Wed, Sep 2 - Tue, Sep 8
Porter Airlines Logo
3:20 pm - 9:45 pm
MDW
-
YQT
5h 25m
1 stop
Porter Airlines Logo
8:15 am - 2:35 pm
YQT
-
MDW
7h 20m
1 stop
$539Porter Airlines
Mon, Jun 22 - Fri, Jun 26
Multiple Airlines Logo
5:30 pm - 10:25 am
ORD
-
YQT
15h 55m
2 stops
Multiple Airlines Logo
8:15 am - 2:35 pm
YQT
-
ORD
7h 20m
1 stop
$557Multiple Airlines
Fri, Sep 25 - Tue, Sep 29
Porter Airlines Logo
10:15 am - 4:45 pm
MDW
-
YQT
5h 30m
1 stop
Porter Airlines Logo
5:15 pm - 9:40 am
YQT
-
MDW
17h 25m
1 stop
$558Porter Airlines
Wed, Jun 17 - Wed, Jun 24
Air Canada Logo
11:05 am - 11:29 pm
ORD
-
YQT
11h 24m
2 stops
Air Canada Logo
6:15 pm - 10:17 am
YQT
-
ORD
17h 02m
3 stops
$581Air Canada
Wed, Sep 2 - Tue, Sep 8
Porter Airlines Logo
3:20 pm - 9:45 pm
MDW
-
YQT
5h 25m
1 stop
Porter Airlines Logo
8:15 am - 2:35 pm
YQT
-
MDW
7h 20m
1 stop
$581Porter Airlines
Tue, Jul 7 - Sun, Jul 12
Porter Airlines Logo
10:25 am - 12:40 pm
MDW
-
YQT
25h 15m
1 stop
Porter Airlines Logo
5:15 pm - 9:40 am
YQT
-
MDW
17h 25m
1 stop
$608Porter Airlines
Fri, Jun 19 - Fri, Jun 26

Air Canada flights from Illinois to Thunder Bay

Our best Air Canada deals on Illinois to Thunder Bay flight tickets
Air Canada
Sep 2
ORD9:50 amChicago O'Hare Intl
6h 34m
1 stop
YQT5:24 pmThunder Bay
Sep 8
YQT5:15 amThunder Bay
10h 37m
2 stops
ORD2:52 pmChicago O'Hare Intl
$520
Air Canada
Sep 2
ORD11:05 amChicago O'Hare Intl
11h 24m
2 stops
YQT11:29 pmThunder Bay
Sep 8
YQT5:15 amThunder Bay
10h 37m
2 stops
ORD2:52 pmChicago O'Hare Intl
$529
Air Canada
Sep 2
ORD11:05 amChicago O'Hare Intl
11h 24m
2 stops
YQT11:29 pmThunder Bay
Sep 8
YQT6:15 pmThunder Bay
17h 02m
3 stops
ORD10:17 amChicago O'Hare Intl
$581

Porter Airlines flights from Illinois to Thunder Bay

Our best Porter Airlines deals on Illinois to Thunder Bay flight tickets
Porter Airlines
Sep 25
ORD7:00 amChicago O'Hare Intl
4h 40m
1 stop
YQT12:40 pmThunder Bay
Sep 29
YQT5:15 pmThunder Bay
5h 20m
1 stop
ORD9:35 pmChicago O'Hare Intl
$523
Porter Airlines
Jun 22
MDW3:20 pmChicago Midway
5h 25m
1 stop
YQT9:45 pmThunder Bay
Jun 26
YQT8:15 amThunder Bay
7h 20m
1 stop
MDW2:35 pmChicago Midway
$539
Porter Airlines
Jun 17
MDW10:15 amChicago Midway
5h 30m
1 stop
YQT4:45 pmThunder Bay
Jun 24
YQT5:15 pmThunder Bay
17h 25m
1 stop
MDW9:40 amChicago Midway
$558

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 May 10, 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

Wed 9/2

9:50 am-5:24 pm

1 stop6h 34m

Thunder Bay

Tue 9/8

5:15 pm-9:35 pm

1 stop5h 20m

$509

ChicagoThunder Bay

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Wed 9/2

9:50 am-5:24 pm

1 stop6h 34m

Thunder Bay

Tue 9/8

5:15 am-2:52 pm

2 stops10h 37m

$520
Quickest round-trip

ChicagoThunder Bay

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Fri 9/25

7:00 am-12:40 pm

1 stop4h 40m

Thunder Bay

Tue 9/29

5:15 pm-9:35 pm

1 stop5h 20m

$523

ChicagoThunder Bay

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Wed 9/2

11:05 am-11:29 pm

2 stops11h 24m

Thunder Bay

Tue 9/8

5:15 am-2:52 pm

2 stops10h 37m

$529

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Mon 6/22

3:20 pm-9:45 pm

1 stop5h 25m

Thunder Bay

Fri 6/26

8:15 am-2:35 pm

1 stop7h 20m

$539

ChicagoThunder Bay

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Fri 9/25

5:30 pm-10:25 am

2 stops15h 55m

Thunder Bay

Tue 9/29

8:15 am-2:35 pm

1 stop7h 20m

$557

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Wed 6/17

10:15 am-4:45 pm

1 stop5h 30m

Thunder Bay

Wed 6/24

5:15 pm-9:40 am

1 stop17h 25m

$558

ChicagoThunder Bay

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Wed 9/2

11:05 am-11:29 pm

2 stops11h 24m

Thunder Bay

Tue 9/8

6:15 pm-10:17 am

3 stops17h 02m

$581

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Tue 7/7

3:20 pm-9:45 pm

1 stop5h 25m

Thunder Bay

Sun 7/12

8:15 am-2:35 pm

1 stop7h 20m

$581

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Fri 6/19

10:25 am-12:40 pm

1 stop25h 15m

Thunder Bay

Fri 6/26

5:15 pm-9:40 am

1 stop17h 25m

$608

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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?

Air Canada and WestJet 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 37m

Direct flights

None
The fastest flight from Illinois to Thunder Bay takes 5h 37m
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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