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Cheap flights from the United States to Thunder Bay from C$ 285

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 22/5. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YQT
23 May — 30 May1
1 adult
1 adult, Economy, 0 bags

Cheap 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 23 April 2026.

Wed 3/63:25 p.m.
BOS
-
YQT
2 stops17h 30m
Multiple Airlines
Wed 10/65:10 a.m.
YQT
-
BOS
2 stops9h 37m
Multiple Airlines
Deal found 19/4C$ 513
Thu 14/58:00 a.m.
EWR
-
YQT
1 stop4h 40m
Porter Airlines
Sun 17/56:00 a.m.
YQT
-
EWR
1 stop5h 45m
Porter Airlines
Deal found 20/4C$ 554
Fri 22/57:10 a.m.
BOS
-
YQT
1 stop25h 45m
Multiple Airlines
Tue 26/510:10 a.m.
YQT
-
BOS
1 stop9h 36m
Multiple Airlines
Deal found 23/4C$ 557
Thu 21/57:10 a.m.
BOS
-
YQT
1 stop5h 30m
Porter Airlines
Tue 26/58:15 a.m.
YQT
-
BOS
1 stop6h 26m
Porter Airlines
Deal found 23/4C$ 564
Thu 4/68:00 a.m.
EWR
-
YQT
1 stop4h 40m
Porter Airlines
Sun 7/66:00 a.m.
YQT
-
EWR
1 stop5h 45m
Porter Airlines
Deal found 22/4C$ 566
Sat 23/55:30 p.m.
BOS
-
YQT
1 stop15h 25m
Multiple Airlines
Wed 27/57:50 p.m.
YQT
-
BOS
1 stop21h 50m
Multiple Airlines
Deal found 23/4C$ 583
Fri 22/57:10 a.m.
BOS
-
YQT
1 stop25h 45m
Multiple Airlines
Mon 25/57:50 p.m.
YQT
-
BOS
2 stops20h 05m
Multiple Airlines
Deal found 23/4C$ 584
Sat 23/510:05 a.m.
BOS
-
YQT
1 stop22h 50m
Multiple Airlines
Tue 26/510:10 a.m.
YQT
-
BOS
2 stops10h 45m
Multiple Airlines
Deal found 23/4C$ 587
Fri 5/66:35 p.m.
BOS
-
YQT
1 stop14h 20m
Multiple Airlines
Fri 12/66:25 p.m.
YQT
-
BOS
2 stops20h 22m
Multiple Airlines
Deal found 21/4C$ 588
Mon 25/53:55 p.m.
EWR
-
YQT
2 stops17h 00m
Multiple Airlines
Sun 31/56:00 a.m.
YQT
-
EWR
1 stop5h 45m
Multiple Airlines
Deal found 23/4C$ 605
Mon 25/511:20 a.m.
EWR
-
YQT
1 stop11h 18m
Porter Airlines
Sun 31/56:00 a.m.
YQT
-
EWR
1 stop5h 45m
Porter Airlines
Deal found 23/4C$ 621
Sat 6/61:30 p.m.
EWR
-
YQT
1 stop5h 50m
Porter Airlines
Tue 9/65:15 p.m.
YQT
-
EWR
1 stop4h 30m
Porter Airlines
Deal found 19/4C$ 629

Find 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 23 April 2026.

Round-trip from

C$ 513

One-way from

C$ 285
Air Canada
  • Air Canada
  • 3/6-10/6
  • 4 total stops
  • 27h 07m total
  • USA to Thunder Bay
Search Deals
22/5
  • 22/5
  • 1 total stop
  • 25h 45m 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 23 April 2026.
Use the filters below to find and compare flights from the United States to Thunder Bay that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonThunder Bay

BOS - YQT

BOSYQT

Boston Logan Intl

Wed 3/6

3:25 p.m.-8:55 a.m.

2 stops17h 30m

Thunder Bay

Wed 10/6

5:10 a.m.-2:47 p.m.

2 stops9h 37m

C$ 513

NewarkThunder Bay

EWR - YQT

EWRYQT

Newark

Thu 14/5

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

1 stop4h 40m

Thunder Bay

Sun 17/5

6:00 a.m.-11:45 a.m.

1 stop5h 45m

C$ 554

BostonThunder Bay

BOS - YQT

BOSYQT

Boston Logan Intl

Fri 5/6

4:45 p.m.-8:55 a.m.

2 stops16h 10m

Thunder Bay

Fri 12/6

6:25 p.m.-2:47 p.m.

2 stops20h 22m

C$ 583

NewarkThunder Bay

EWR - YQT

EWRYQT

Newark

Sat 6/6

1:30 p.m.-6:05 p.m.

1 stop4h 35m

Thunder Bay

Tue 9/6

1:20 p.m.-7:40 p.m.

1 stop6h 20m

C$ 629
Quickest round-trip

NewarkThunder Bay

EWR - YQT

EWRYQT

Newark

Sun 17/5

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

1 stop4h 40m

Thunder Bay

Sun 24/5

8:15 a.m.-12:50 p.m.

1 stop4h 35m

C$ 629

NewarkThunder Bay

EWR - YQT

EWRYQT

Newark

Thu 11/6

11:00 a.m.-5:20 p.m.

1 stop6h 20m

Thunder Bay

Sun 14/6

5:10 a.m.-10:20 a.m.

1 stop5h 10m

C$ 637

ChicagoThunder Bay

MDW - YQT

MDWYQT

Chicago Midway

Wed 13/5

10:30 a.m.-4:35 p.m.

1 stop5h 05m

Thunder Bay

Sun 17/5

5:15 p.m.-9:45 a.m.

1 stop17h 30m

C$ 658

NewarkThunder Bay

EWR - YQT

EWRYQT

Newark

Sat 6/6

6:00 a.m.-5:20 p.m.

2 stops11h 20m

Thunder Bay

Tue 9/6

5:10 a.m.-2:55 p.m.

2 stops9h 45m

C$ 661

OrlandoThunder Bay

MCO - YQT

MCOYQT

Orlando

Fri 22/5

11:20 a.m.-9:45 p.m.

2 stops10h 25m

Thunder Bay

Sun 24/5

10:10 a.m.-7:45 p.m.

1 stop9h 35m

C$ 688

OrlandoThunder Bay

MCO - YQT

MCOYQT

Orlando

Fri 12/6

11:15 a.m.-9:45 p.m.

2 stops10h 30m

Thunder Bay

Sun 14/6

6:30 a.m.-12:45 p.m.

1 stop6h 15m

C$ 714

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/4

Showing 1-10 of 38 resultsSorted by cheapest first
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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
No data available for this route at this time. Please check back soon.

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 4h 40m. Your travel time can differ by up to 9h 38m. The distance between USA and Thunder Bay is about 1468 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 Washington, D.C. Dulles Intl - Thunder Bay, Orlando - 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.

See more FAQs

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Alternative routes for USA to Thunder Bay

See prices for flight routes from nearby airports that may be better suited for you.
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San Francisco to Pearson Intl flights
Halifax to Hamilton flights
O'Hare Intl to Pearson Intl flights
Halifax to Pierre Elliott Trudeau Intl flights
Edmonton to Toronto Island flights
Vancouver Intl to Ottawa flights
Pierre Elliott Trudeau Intl to Toronto Island flights
Dulles Intl to Pierre Elliott Trudeau Intl flights
Calgary to Pierre Elliott Trudeau Intl flights
Winnipeg to Toronto Island flights
Dallas/Fort Worth to Pearson Intl flights
Boston to Pearson Intl flights
Mexico City to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Pierre Elliott Trudeau Intl flights
Winnipeg to Hamilton flights
Calgary to Region of Waterloo Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights
Halifax to Region of Waterloo Intl flights
Saskatoon to Pearson Intl flights
Abbotsford to Pierre Elliott Trudeau Intl flights
LaGuardia to Toronto Island flights
St. John's to Pearson Intl flights

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