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Cheap flights from Chicago to Thunder Bay from $236

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Thunder Bay departing on 9/2. 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 Chicago to Thunder Bay

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:40 pm - 8:55 amORD  Chicago O'Hare Intl-YQT Thunder Bay
11h 15m1 stop Toronto Pearson Intl
Multiple Airlines Logo
8:15 am - 8:41 pmYQT  Thunder Bay-ORD Chicago O'Hare Intl
13h 26m1 stop Toronto Island
$422Multiple Airlines
Wed, Sep 16 - Wed, Sep 23
Multiple Airlines Logo
3:40 pm - 8:55 amORD  Chicago O'Hare Intl-YQT Thunder Bay
16h 15m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
Multiple Airlines Logo
11:30 am - 8:41 pmYQT  Thunder Bay-ORD Chicago O'Hare Intl
10h 11m2 stops Ottawa Toronto Island
$422Multiple Airlines
Wed, Sep 16 - Wed, Sep 23
Multiple Airlines Logo
3:40 pm - 8:55 amORD  Chicago O'Hare Intl-YQT Thunder Bay
16h 15m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
Multiple Airlines Logo
8:15 am - 1:21 pmYQT  Thunder Bay-ORD Chicago O'Hare Intl
6h 06m1 stop Toronto Island
$427Multiple Airlines
Wed, Sep 16 - Wed, Sep 23
Multiple Airlines Logo
3:40 pm - 8:55 amORD  Chicago O'Hare Intl-YQT Thunder Bay
16h 15m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
Multiple Airlines Logo
11:30 am - 8:41 pmYQT  Thunder Bay-ORD Chicago O'Hare Intl
10h 11m2 stops Ottawa Toronto Island
$428Multiple Airlines
Wed, Sep 16 - Wed, Sep 23
Multiple Airlines Logo
8:40 pm - 8:55 amORD  Chicago O'Hare Intl-YQT Thunder Bay
11h 15m1 stop Toronto Pearson Intl
Multiple Airlines Logo
6:30 am - 7:48 pmYQT  Thunder Bay-ORD Chicago O'Hare Intl
14h 18m1 stop Toronto Pearson Intl
$430Multiple Airlines
Wed, Sep 16 - Wed, Sep 23
Multiple Airlines Logo
3:40 pm - 8:55 amORD  Chicago O'Hare Intl-YQT Thunder Bay
16h 15m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
Multiple Airlines Logo
6:00 am - 8:41 pmYQT  Thunder Bay-ORD Chicago O'Hare Intl
15h 41m1 stop Toronto Island
$434Multiple Airlines
Wed, Sep 16 - Wed, Sep 23
Porter Airlines Logo
11:45 am - 6:05 pmMDW  Chicago Midway-YQT Thunder Bay
5h 20m1 stop Toronto Island
Porter Airlines Logo
6:00 am - 11:00 amYQT  Thunder Bay-MDW Chicago Midway
6h 00m1 stop Toronto Island
$445Porter Airlines
Sat, Sep 12 - Sat, Sep 19
Multiple Airlines Logo
5:35 pm - 8:55 amORD  Chicago O'Hare Intl-YQT Thunder Bay
14h 20m1 stop Toronto Pearson Intl
Multiple Airlines Logo
10:10 am - 7:48 pmYQT  Thunder Bay-ORD Chicago O'Hare Intl
10h 38m1 stop Toronto Pearson Intl
$461Multiple Airlines
Sat, Sep 19 - Sat, Sep 26
Porter Airlines Logo
3:20 pm - 9:45 pmMDW  Chicago Midway-YQT Thunder Bay
5h 25m1 stop Toronto Island
Porter Airlines Logo
8:15 am - 2:35 pmYQT  Thunder Bay-MDW Chicago Midway
7h 20m1 stop Toronto Island
$472Porter Airlines
Wed, Sep 16 - Wed, Sep 23
Porter Airlines Logo
11:45 am - 7:20 pmMDW  Chicago Midway-YQT Thunder Bay
6h 35m1 stop Toronto Island
Porter Airlines Logo
11:30 am - 11:00 amYQT  Thunder Bay-MDW Chicago Midway
24h 30m2 stops Ottawa Toronto Island
$482Porter Airlines
Wed, Sep 16 - Wed, Sep 23

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Porter Airlines flights from Chicago to Thunder Bay

Our best Porter Airlines deals on Chicago to Thunder Bay flight tickets
Porter Airlines
Sep 12
MDW11:45 amChicago Midway
5h 20m
1 stop
YQT6:05 pmThunder Bay
Sep 19
YQT6:00 amThunder Bay
6h 00m
1 stop
MDW11:00 amChicago Midway
$445
Porter Airlines
Sep 16
MDW3:20 pmChicago Midway
5h 25m
1 stop
YQT9:45 pmThunder Bay
Sep 23
YQT8:15 amThunder Bay
7h 20m
1 stop
MDW2:35 pmChicago Midway
$472
Porter Airlines
Sep 16
MDW11:45 amChicago Midway
6h 35m
1 stop
YQT7:20 pmThunder Bay
Sep 23
YQT11:30 amThunder Bay
24h 30m
2 stops
MDW11:00 amChicago Midway
$482

WestJet flights from Chicago to Thunder Bay

Our best WestJet deals on Chicago to Thunder Bay flight tickets
WestJet
Sep 3
ORD5:30 pmChicago O'Hare Intl
24h 30m
1 stop
YQT7:00 pmThunder Bay
Sep 5
YQT7:50 pmThunder Bay
21h 50m
1 stop
ORD4:40 pmChicago O'Hare Intl
$601
WestJet
Sep 3
ORD5:30 pmChicago O'Hare Intl
24h 30m
1 stop
YQT7:00 pmThunder Bay
Sep 5
YQT7:20 pmThunder Bay
22h 20m
2 stops
ORD4:40 pmChicago O'Hare Intl
$604
WestJet
Sep 3
ORD5:30 pmChicago O'Hare Intl
24h 15m
3 stops
YQT6:45 pmThunder Bay
Sep 5
YQT7:20 pmThunder Bay
22h 20m
2 stops
ORD4:40 pmChicago O'Hare Intl
$712

momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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 August 5, 2026.
Use the filters below to find and compare flights from Chicago to Thunder Bay that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoThunder Bay

ORD Chicago O'Hare Intl - YQT Thunder Bay

ORDYQT

Chicago O'Hare Intl

Wed 9/16

8:40 pm-8:55 am

1 stop11h 15m

Thunder Bay

Wed 9/23

8:15 am-8:41 pm

1 stop13h 26m

$422

ChicagoThunder Bay

ORD Chicago O'Hare Intl - YQT Thunder Bay

ORDYQT

Chicago O'Hare Intl

Wed 9/16

3:40 pm-8:55 am

2 stops16h 15m

Thunder Bay

Wed 9/23

11:30 am-8:41 pm

2 stops10h 11m

$422

ChicagoThunder Bay

ORD Chicago O'Hare Intl - YQT Thunder Bay

ORDYQT

Chicago O'Hare Intl

Wed 9/16

3:40 pm-8:55 am

2 stops16h 15m

Thunder Bay

Wed 9/23

8:15 am-1:21 pm

1 stop6h 06m

$427

ChicagoThunder Bay

ORD Chicago O'Hare Intl - YQT Thunder Bay

ORDYQT

Chicago O'Hare Intl

Wed 9/16

3:40 pm-8:55 am

2 stops16h 15m

Thunder Bay

Wed 9/23

11:30 am-8:41 pm

2 stops10h 11m

$428

ChicagoThunder Bay

ORD Chicago O'Hare Intl - YQT Thunder Bay

ORDYQT

Chicago O'Hare Intl

Wed 9/16

8:40 pm-8:55 am

1 stop11h 15m

Thunder Bay

Wed 9/23

6:30 am-7:48 pm

1 stop14h 18m

$430

ChicagoThunder Bay

ORD Chicago O'Hare Intl - YQT Thunder Bay

ORDYQT

Chicago O'Hare Intl

Wed 9/16

3:40 pm-8:55 am

2 stops16h 15m

Thunder Bay

Wed 9/23

6:00 am-8:41 pm

1 stop15h 41m

$434
Quickest round-trip

ChicagoThunder Bay

MDW Chicago Midway - YQT Thunder Bay

MDWYQT

Chicago Midway

Sat 9/12

11:45 am-6:05 pm

1 stop5h 20m

Thunder Bay

Sat 9/19

6:00 am-11:00 am

1 stop6h 00m

$445

ChicagoThunder Bay

ORD Chicago O'Hare Intl - YQT Thunder Bay

ORDYQT

Chicago O'Hare Intl

Sat 9/19

5:35 pm-8:55 am

1 stop14h 20m

Thunder Bay

Sat 9/26

10:10 am-7:48 pm

1 stop10h 38m

$461

ChicagoThunder Bay

MDW Chicago Midway - YQT Thunder Bay

MDWYQT

Chicago Midway

Wed 9/16

3:20 pm-9:45 pm

1 stop5h 25m

Thunder Bay

Wed 9/23

8:15 am-2:35 pm

1 stop7h 20m

$472

ChicagoThunder Bay

MDW Chicago Midway - YQT Thunder Bay

MDWYQT

Chicago Midway

Wed 9/16

11:45 am-7:20 pm

1 stop6h 35m

Thunder Bay

Wed 9/23

11:30 am-11:00 am

2 stops24h 30m

$482

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 Chicago 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 Chicago to Thunder Bay?

Porter Airlines and Air Canada are the most popular carriers operating from Chicago to Thunder Bay

When to book flights from Chicago to Thunder Bay

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Thunder Bay according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Thunder Bay (CHI to YQT) flight deals and tips

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

Fastest flight time

5h 25m

Direct flights

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

Frequently asked questions about flying from Chicago to Thunder Bay

  • How far is Chicago to Thunder Bay by plane?

    Thunder Bay is 456.1 mi away from Chicago. Typically, this will take 5h 25m by plane in normal conditions.

  • When did momondo last update prices for flights from Chicago to Thunder Bay Airport?

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago to Thunder Bay Airport.

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

    The necessary travel and health documents for your Thunder Bay Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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 Chicago to Thunder Bay?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Thunder Bay. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

Once you have performed a search for Chicago to Thunder Bay flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Chicago to Thunder Bay now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Thunder Bay and let you know when they change.

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