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Cheap flights from the United States to Thunder Bay from C$ 301

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 26/8. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YQT
4 Aug — 11 Aug1
1 adult

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 30 July 2025.

Round-trip from

C$ 435

One-way from

C$ 301
Porter Airlines
  • Porter Airlines
  • 4/9-10/9
  • 2 total stops
  • 12h 28m total
  • USA to Thunder Bay
Search Deals
Porter Airlines
  • Porter Airlines
  • 26/8
  • 1 total stop
  • 4h 40m total
  • USA to Thunder Bay
Search Deals

Find flight deals from USA to Thunder Bay

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 30 July 2025.

Thu 4/97:50 a.m.EWR - YQT
1 stop5h 48mPorter Airlines
Wed 10/97:40 a.m.YQT - EWR
1 stop6h 40mPorter Airlines
Deal found 29/7C$ 435
Fri 12/97:40 p.m.EWR - YQT
1 stop13h 10mMultiple Airlines
Thu 18/910:15 a.m.YQT - EWR
1 stop10h 45mMultiple Airlines
Deal found 28/7C$ 459
Fri 12/97:45 p.m.MCO - YQT
1 stop13h 05mMultiple Airlines
Fri 19/911:45 a.m.YQT - MCO
1 stop7h 56mMultiple Airlines
Deal found 29/7C$ 505
Thu 9/109:35 a.m.MDW - YQT
1 stop6h 06mPorter Airlines
Sun 12/1011:50 a.m.YQT - MDW
1 stop5h 34mPorter Airlines
Deal found 29/7C$ 566
Thu 25/912:15 p.m.BOS - YQT
1 stop6h 26mPorter Airlines
Tue 30/911:50 a.m.YQT - BOS
1 stop5h 01mPorter Airlines
Deal found 28/7C$ 583
Mon 25/84:10 p.m.IAD - YQT
1 stop5h 03mPorter Airlines
Thu 28/87:40 a.m.YQT - IAD
1 stop7h 16mPorter Airlines
Deal found 30/7C$ 585
Fri 26/912:15 p.m.BOS - YQT
1 stop6h 26mMultiple Airlines
Mon 29/911:00 a.m.YQT - BOS
1 stop4h 59mMultiple Airlines
Deal found 30/7C$ 629
Thu 4/99:35 a.m.MDW - YQT
2 stops10h 15mMultiple Airlines
Sun 7/97:25 p.m.YQT - MDW
1 stop14h 14mMultiple Airlines
Deal found 30/7C$ 661
Tue 26/84:10 p.m.IAD - YQT
1 stop5h 03mMultiple Airlines
Thu 28/87:40 a.m.YQT - IAD
1 stop7h 16mMultiple Airlines
Deal found 30/7C$ 662
Fri 26/96:00 a.m.BOS - YQT
2 stops9h 45mAir Canada
Mon 29/911:00 a.m.YQT - BOS
2 stops10h 25mAir Canada
Deal found 30/7C$ 745
Thu 7/811:00 a.m.EWR - YQT
1 stop4h 48mAir Canada
Thu 14/85:00 p.m.YQT - EWR
1 stop5h 48mAir Canada
Deal found 28/7C$ 822
Thu 25/96:30 p.m.BOS - YQT
2 stops20h 19mWestJet
Sun 28/97:40 p.m.YQT - BOS
2 stops22h 30mWestJet
Deal found 30/7C$ 919

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 30 July 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

NewarkThunder Bay

EWR - YQT

EWRYQT

Newark

Thu 4/9

7:50 a.m.-1:38 p.m.

1 stop5h 48m

Thunder Bay

Wed 10/9

7:40 a.m.-2:20 p.m.

1 stop6h 40m

C$ 435

NewarkThunder Bay

EWR - YQT

EWRYQT

Newark

Fri 12/9

7:40 p.m.-8:50 a.m.

1 stop13h 10m

Thunder Bay

Thu 18/9

10:15 a.m.-9:00 p.m.

1 stop10h 45m

C$ 459

OrlandoThunder Bay

MCO - YQT

MCOYQT

Orlando

Fri 12/9

7:45 p.m.-8:50 a.m.

1 stop13h 05m

Thunder Bay

Fri 19/9

11:45 a.m.-7:41 p.m.

1 stop7h 56m

C$ 505

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Thu 9/10

9:35 a.m.-4:41 p.m.

1 stop6h 06m

Thunder Bay

Sun 12/10

11:50 a.m.-4:24 p.m.

1 stop5h 34m

C$ 566

BostonThunder Bay

BOS - YQT

BOSYQT

Boston Logan Intl

Thu 25/9

12:15 p.m.-6:41 p.m.

1 stop6h 26m

Thunder Bay

Tue 30/9

11:50 a.m.-4:51 p.m.

1 stop5h 01m

C$ 583

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Mon 25/8

4:10 p.m.-9:13 p.m.

1 stop5h 03m

Thunder Bay

Thu 28/8

7:40 a.m.-2:56 p.m.

1 stop7h 16m

C$ 585

BostonThunder Bay

BOS - YQT

BOSYQT

Boston Logan Intl

Fri 26/9

12:15 p.m.-6:41 p.m.

1 stop6h 26m

Thunder Bay

Mon 29/9

11:00 a.m.-3:59 p.m.

1 stop4h 59m

C$ 629

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Thu 4/9

9:35 a.m.-8:50 p.m.

2 stops10h 15m

Thunder Bay

Sun 7/9

7:25 p.m.-8:39 a.m.

1 stop14h 14m

C$ 661

Washington, D.C.Thunder Bay

IAD - YQT

IADYQT

Washington, D.C. Dulles Intl

Tue 26/8

4:10 p.m.-9:13 p.m.

1 stop5h 03m

Thunder Bay

Thu 28/8

7:40 a.m.-2:56 p.m.

1 stop7h 16m

C$ 662

BostonThunder Bay

BOS - YQT

BOSYQT

Boston Logan Intl

Fri 26/9

6:00 a.m.-3:45 p.m.

2 stops9h 45m

Thunder Bay

Mon 29/9

11:00 a.m.-9:25 p.m.

2 stops10h 25m

C$ 745

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

Showing 1-10 of 23 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, June is the cheapest month in which you can book a flight from USA to Thunder Bay (average of C$ 207). Flying from USA to Thunder Bay in December is currently the most expensive (average of C$ 307). 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 30 July 2025.
Read through reviews of airlines operating flights from the United States to Thunder Bay, such as Porter Airlines,United Airlines, andWestJet. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
318 reviews
Check prices

Crew

8.7

Entertainment

7.0

Boarding

8.2

Food

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Porter Airlines
8.0
Very good
318 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Crew

8.7

Entertainment

7.0

Boarding

8.2

Food

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
United Airlines
7.4
Good
8,896 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Crew

8.7

Entertainment

7.0

Boarding

8.2

Food

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
WestJet
7.2
Good
2,975 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Crew

8.7

Entertainment

7.0

Boarding

8.2

Food

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Air Canada
7.1
Good
9,837 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Crew

8.7

Entertainment

7.0

Boarding

8.2

Food

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

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.

  • What are the cheapest airlines to fly from USA to Thunder Bay one-way?

    C$ 301 is the cheapest one-way deal found within the past few days, from Porter Airlines. You may also be able to find cheap deals on Air Canada and United Airlines, with prices starting from C$ 323 and C$ 563, respectively.

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

    Most travellers choose Chicago Midway - Thunder Bay, Newark - Thunder Bay or Dallas Love Field - 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, June is the cheapest month in which you can book a flight from USA to Thunder Bay (average of C$ 207). Flying from USA to Thunder Bay in December is currently the most expensive (average of C$ 307). 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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See prices for flight routes from nearby airports that may be better suited for you.
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