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Cheap flights from the United States to Thunder Bay from C$ 231

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/3. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YQT
6 Dec — 13 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from USA to Thunder Bay

Enter your travel dates to find the best prices.

Cheapest flights from USA to Thunder Bay
Explore the most affordable flight options available from USA to Thunder Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 November 2025.

Fri 7/112:00 p.m.MCO - YQT
1 stop7h 24mPorter Airlines
Sun 16/116:00 a.m.YQT - MCO
1 stop6h 58mPorter Airlines
Deal found 6/11C$ 509
Thu 27/118:55 a.m.EWR - YQT
1 stop4h 47mPorter Airlines
Thu 4/128:00 a.m.YQT - EWR
1 stop6h 00mPorter Airlines
Deal found 6/11C$ 545
Sun 21/127:00 a.m.BOS - YQT
1 stop6h 42mPorter Airlines
Sat 27/128:00 a.m.YQT - BOS
1 stop6h 55mPorter Airlines
Deal found 5/11C$ 705
Fri 7/117:30 a.m.MCO - YQT
2 stops15h 35mUnited Airlines
Sun 16/115:00 a.m.YQT - MCO
2 stops16h 58mUnited Airlines
Deal found 6/11C$ 750
Sun 21/1211:00 a.m.MDW - YQT
1 stop7h 42mPorter Airlines
Sun 28/128:00 a.m.YQT - MDW
1 stop8h 20mPorter Airlines
Deal found 6/11C$ 779
Thu 25/124:15 p.m.MDW - YQT
1 stop16h 42mPorter Airlines
Wed 31/122:25 p.m.YQT - MDW
1 stop25h 55mPorter Airlines
Deal found 6/11C$ 1,019
Sat 8/118:55 a.m.EWR - YQT
1 stop6h 37mPorter Airlines
Mon 10/112:25 p.m.YQT - EWR
1 stop6h 45mPorter Airlines
Deal found 5/11C$ 1,198
Sun 21/124:15 p.m.MDW - YQT
2 stops17h 54mMultiple Airlines
Sun 28/1211:50 a.m.YQT - MDW
3 stops24h 16mMultiple Airlines
Deal found 6/11C$ 1,425
Thu 25/125:59 p.m.MDW - YQT
2 stops20h 16mWestJet
Wed 31/127:45 a.m.YQT - MDW
2 stops10h 34mWestJet
Deal found 6/11C$ 2,994

Cheap flight deals from USA to Thunder Bay

Keep the following information in mind while searching for USA to Thunder Bay flight deals. Data was last updated 6 November 2025.

Round-trip from

C$ 499

One-way from

C$ 231
Porter Airlines
  • Porter Airlines
  • 26/3-30/3
  • 2 total stops
  • 15h 22m total
  • USA to Thunder Bay
Search Deals
Porter Airlines
  • Porter Airlines
  • 31/3
  • 1 total stop
  • 7h 24m total
  • USA to Thunder Bay
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from USA 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, Cheapflights users made 629,999 searches. Data last updated 6 November 2025.
Use the filters below to find and compare flights from the United States to Thunder Bay that are best for you.

Fly from

USA

Fly to

Thunder Bay

Route

Depart

Return

Price

OrlandoThunder Bay

MCO - YQT

MCOYQT

Orlando

Thu 26/3

2:00 p.m.-9:24 p.m.

1 stop7h 24m

Thunder Bay

Mon 30/3

11:50 a.m.-7:48 p.m.

1 stop7h 58m

C$ 499

OrlandoThunder Bay

MCO - YQT

MCOYQT

Orlando

Wed 25/3

2:00 p.m.-9:24 p.m.

1 stop7h 24m

Thunder Bay

Sun 29/3

11:50 a.m.-7:48 p.m.

1 stop7h 58m

C$ 499

NewarkThunder Bay

EWR - YQT

EWRYQT

Newark

Thu 27/11

8:55 a.m.-1:42 p.m.

1 stop4h 47m

Thunder Bay

Thu 4/12

8:00 a.m.-2:00 p.m.

1 stop6h 00m

C$ 545

OrlandoThunder Bay

MCO - YQT

MCOYQT

Orlando

Wed 25/3

6:15 p.m.-10:05 a.m.

2 stops15h 50m

Thunder Bay

Sun 29/3

5:00 a.m.-4:51 p.m.

2 stops11h 51m

C$ 578

OrlandoThunder Bay

MCO - YQT

MCOYQT

Orlando

Sat 4/4

12:05 p.m.-6:19 p.m.

1 stop6h 14m

Thunder Bay

Sat 11/4

5:00 a.m.-11:06 a.m.

1 stop6h 06m

C$ 655

BostonThunder Bay

BOS - YQT

BOSYQT

Boston Logan Intl

Sun 21/12

7:00 a.m.-1:42 p.m.

1 stop6h 42m

Thunder Bay

Sat 27/12

8:00 a.m.-2:55 p.m.

1 stop6h 55m

C$ 705

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Tue 7/4

11:00 a.m.-7:42 p.m.

1 stop7h 42m

Thunder Bay

Wed 8/4

10:40 a.m.-3:20 p.m.

1 stop5h 40m

C$ 769

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Sun 21/12

11:00 a.m.-7:42 p.m.

1 stop7h 42m

Thunder Bay

Sun 28/12

8:00 a.m.-3:20 p.m.

1 stop8h 20m

C$ 779

BostonThunder Bay

BOS - YQT

BOSYQT

Boston Logan Intl

Tue 7/4

10:20 a.m.-3:32 p.m.

1 stop5h 12m

Thunder Bay

Wed 8/4

8:00 a.m.-12:40 p.m.

1 stop4h 40m

C$ 815

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Wed 1/4

11:40 a.m.-7:42 p.m.

1 stop8h 02m

Thunder Bay

Sun 5/4

10:40 a.m.-5:14 p.m.

1 stop6h 34m

C$ 838

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

Showing 1-10 of 20 results
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Best time to book a flight from USA to Thunder Bay

Have a flexible travel schedule? Discover the best time to fly to Thunder Bay from USA with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from the United States to Thunder Bay

What is the cheapest month to book a flight from USA to Thunder Bay?

Currently, December is the cheapest month in which you can book a flight from USA to Thunder Bay (average of C$ 275). Flying from USA to Thunder Bay in September is currently the most expensive (average of C$ 607). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Thunder Bay

Get insights into the airlines that provide service to Thunder Bay. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Thunder Bay. Reviews last updated 6 November 2025.
Read through reviews of airlines operating flights from the United States to Thunder Bay, such as Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,416 reviews
Check prices

Comfort

7.1

Entertainment

6.8

Boarding

7.3

Overall

7.1

Crew

7.8

Food

6.3

Reviews

1 / 20
2.0
Mediocre

Shawna,Sep 2025

DCA - YYZ

Business class cabin was *freezing*. Landing was so hard it injured my back - no apology or explanation given
Air Canada
7.1
Good
10,416 reviews
Air Canada
7.1
Good
10,416 reviews
Check prices

Comfort

7.1

Entertainment

6.8

Boarding

7.3

Overall

7.1

Crew

7.8

Food

6.3

Reviews

1 / 20
2.0
Mediocre

Shawna,Sep 2025

DCA - YYZ

Business class cabin was *freezing*. Landing was so hard it injured my back - no apology or explanation given

Related info for your journey

Find useful and relevant information for your journey from USA to Thunder Bay. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Thunder Bay from United States?

    Most people fly into Thunder Bay (YQT) if they book a flight to Thunder Bay from United States. Thunder Bay is conveniently located just 5.6 km from Thunder Bay’s city centre.

  • How long is the flight from USA to Thunder Bay?

    Porter Airlines, Air Canada, and United Airlines can get you from USA to Thunder Bay in just under 6h 29m. Your travel time can differ by up to 9h 13m. The distance between USA and Thunder Bay is about 1413 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from USA to Thunder Bay?

    Most travellers choose Dallas/Fort Worth - Thunder Bay, Newark - Thunder Bay or Boston Logan Intl - Thunder Bay when deciding on the best route from USA to Thunder Bay.

  • Can I find deals for flights from USA to Thunder Bay that include hotel bookings?

    Yes. In addition to deals on USA to Thunder Bay flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from USA to Thunder Bay?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from USA to Thunder Bay.

  • Can I find deals for business class flights from USA to Thunder Bay?

    Yes. Cheapflights offers flight deals from USA to Thunder Bay by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from USA to Thunder Bay?

    Currently, December is the cheapest month in which you can book a flight from USA to Thunder Bay (average of C$ 275). Flying from USA to Thunder Bay in September is currently the most expensive (average of C$ 607). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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