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Cheap flights from Illinois to Thunder Bay from $423

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Thunder Bay departing on 4/23. 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

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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.
Air Canada Logo
4:15 pm - 11:00 pm
ORD
-
YQT
5h 45m
1 stop
Air Canada Logo
11:10 am - 3:15 pm
YQT
-
ORD
5h 05m
1 stop
$423Air Canada
Thu, Apr 23 - Sun, Apr 26
Porter Airlines Logo
10:25 am - 6:05 pm
MDW
-
YQT
6h 40m
1 stop
Porter Airlines Logo
8:15 am - 2:35 pm
YQT
-
MDW
7h 20m
1 stop
$513Porter Airlines
Sat, Jun 27 - Tue, Jun 30
Porter Airlines Logo
3:20 pm - 12:40 pm
MDW
-
YQT
20h 20m
1 stop
Porter Airlines Logo
5:40 pm - 9:40 am
YQT
-
MDW
17h 00m
1 stop
$519Porter Airlines
Fri, May 29 - Sun, May 31
Multiple Airlines Logo
10:25 am - 6:05 pm
MDW
-
YQT
6h 40m
1 stop
Multiple Airlines Logo
6:00 am - 9:40 am
YQT
-
MDW
4h 40m
1 stop
$520Multiple Airlines
Sat, Jun 20 - Sat, Jun 27
Porter Airlines Logo
10:25 am - 6:05 pm
MDW
-
YQT
6h 40m
1 stop
Porter Airlines Logo
11:35 am - 2:35 pm
YQT
-
MDW
28h 00m
2 stops
$562Porter Airlines
Sat, Jun 20 - Sat, Jun 27
Multiple Airlines Logo
6:36 pm - 8:55 am
MDW
-
YQT
13h 19m
2 stops
Multiple Airlines Logo
5:40 pm - 9:40 am
YQT
-
MDW
17h 00m
1 stop
$573Multiple Airlines
Fri, May 29 - Sun, May 31
Air Canada Logo
4:15 pm - 11:00 pm
ORD
-
YQT
5h 45m
1 stop
Air Canada Logo
5:00 am - 2:55 pm
YQT
-
ORD
10h 55m
2 stops
$587Air Canada
Thu, Apr 23 - Sun, Apr 26
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
$589Porter Airlines
Tue, May 5 - Wed, May 6
Air Canada Logo
3:45 pm - 11:15 pm
ORD
-
YQT
6h 30m
1 stop
Air Canada Logo
11:45 am - 4:59 pm
YQT
-
ORD
6h 14m
1 stop
$595Air Canada
Sat, Jun 6 - Sun, Jun 7
United Airlines Logo
8:40 am - 11:15 pm
ORD
-
YQT
13h 35m
2 stops
United Airlines Logo
5:05 am - 9:50 am
YQT
-
ORD
5h 45m
1 stop
$691United Airlines
Fri, May 29 - Sun, May 31

Porter Airlines flights from Illinois to Thunder Bay

Our best Porter Airlines deals on Illinois to Thunder Bay flight tickets
Porter Airlines
Jun 27
MDW10:25 amChicago Midway
6h 40m
1 stop
YQT6:05 pmThunder Bay
Jun 30
YQT8:15 amThunder Bay
7h 20m
1 stop
MDW2:35 pmChicago Midway
$513
Porter Airlines
May 29
MDW3:20 pmChicago Midway
20h 20m
1 stop
YQT12:40 pmThunder Bay
May 31
YQT5:40 pmThunder Bay
17h 00m
1 stop
MDW9:40 amChicago Midway
$519
Porter Airlines
Jun 20
MDW10:25 amChicago Midway
6h 40m
1 stop
YQT6:05 pmThunder Bay
Jun 27
YQT11:35 amThunder Bay
28h 00m
2 stops
MDW2:35 pmChicago Midway
$562

Air Canada flights from Illinois to Thunder Bay

Our best Air Canada deals on Illinois to Thunder Bay flight tickets
Air Canada
Apr 23
ORD4:15 pmChicago O'Hare Intl
5h 45m
1 stop
YQT11:00 pmThunder Bay
Apr 26
YQT11:10 amThunder Bay
5h 05m
1 stop
ORD3:15 pmChicago O'Hare Intl
$423
Air Canada
Apr 23
ORD4:15 pmChicago O'Hare Intl
5h 45m
1 stop
YQT11:00 pmThunder Bay
Apr 26
YQT5:00 amThunder Bay
10h 55m
2 stops
ORD2:55 pmChicago O'Hare Intl
$587
Air Canada
Jun 6
ORD3:45 pmChicago O'Hare Intl
6h 30m
1 stop
YQT11:15 pmThunder Bay
Jun 7
YQT11:45 amThunder Bay
6h 14m
1 stop
ORD4:59 pmChicago O'Hare Intl
$595

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 March 24, 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
Quickest round-trip

ChicagoThunder Bay

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Thu 4/23

4:15 pm-11:00 pm

1 stop5h 45m

Thunder Bay

Sun 4/26

11:10 am-3:15 pm

1 stop5h 05m

$423

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Sat 6/27

10:25 am-6:05 pm

1 stop6h 40m

Thunder Bay

Tue 6/30

8:15 am-2:35 pm

1 stop7h 20m

$513

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Fri 5/29

3:20 pm-12:40 pm

1 stop20h 20m

Thunder Bay

Sun 5/31

5:40 pm-9:40 am

1 stop17h 00m

$519

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Sat 6/20

10:25 am-6:05 pm

1 stop6h 40m

Thunder Bay

Sat 6/27

6:00 am-9:40 am

1 stop4h 40m

$520

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Sat 6/20

10:25 am-6:05 pm

1 stop6h 40m

Thunder Bay

Sat 6/27

11:35 am-2:35 pm

2 stops28h 00m

$562

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Fri 5/29

6:36 pm-8:55 am

2 stops13h 19m

Thunder Bay

Sun 5/31

5:40 pm-9:40 am

1 stop17h 00m

$573

ChicagoThunder Bay

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Thu 4/23

4:15 pm-11:00 pm

1 stop5h 45m

Thunder Bay

Sun 4/26

5:00 am-2:55 pm

2 stops10h 55m

$587

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Tue 5/5

3:20 pm-9:45 pm

1 stop5h 25m

Thunder Bay

Wed 5/6

8:15 am-2:35 pm

1 stop7h 20m

$589

ChicagoThunder Bay

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Sat 6/6

3:45 pm-11:15 pm

1 stop6h 30m

Thunder Bay

Sun 6/7

11:45 am-4:59 pm

1 stop6h 14m

$595

ChicagoThunder Bay

ORD - YQT

ORDYQT

Chicago O'Hare Intl

Fri 5/29

8:40 am-11:15 pm

2 stops13h 35m

Thunder Bay

Sun 5/31

5:05 am-9:50 am

1 stop5h 45m

$691

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 05m

Direct flights

None
The fastest flight from Illinois to Thunder Bay takes 5h 05m
There are no direct flights from Illinois to Thunder Bay. There are no popular flight routes from Illinois to Thunder Bay.
Search flight deals

  • 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.

  • How do I get Price Alerts for flights from Illinois to Thunder Bay?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Illinois from Thunder Bay. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Illinois to Thunder Bay with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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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1 adult
Thu 4/23
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