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Cheap flights from Thunder Bay to the United States from C$ 235

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 27/10. Fares are subject to change and may not be available on all flights or dates of travel.
YQT — LAX
14 Oct — 21 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Thunder Bay to USA

Keep the following information in mind while searching for Thunder Bay to USA flight deals. Data was last updated 14 September 2025.

Round-trip from

C$ 375

One-way from

C$ 235

Popular in

December

Cheapest in

June

Average price

C$ 626
WestJet
  • WestJet
  • 29/9-2/10
  • 2 total stops
  • 27h 06m total
  • Thunder Bay to USA
Search Deals
27/10
  • 27/10
  • 2 total stops
  • 22h 57m total
  • Thunder Bay to USA
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 102 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Thunder Bay to USA

Cheapest flights from Thunder Bay to USA
Explore the most affordable flight options available from Thunder Bay to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 September 2025.

Mon 29/97:40 p.m.YQT - LAX
1 stop18h 12mWestJet
Thu 2/107:00 a.m.LAX - YQT
1 stop8h 54mWestJet
Deal found 12/9C$ 375
Tue 28/1011:15 a.m.YQT - LAS
2 stops12h 34mAir Canada
Tue 4/1111:30 p.m.LAS - YQT
1 stop7h 35mAir Canada
Deal found 13/9C$ 390
Mon 29/911:00 a.m.YQT - LAX
2 stops13h 35mAir Canada
Thu 2/1010:30 p.m.LAX - YQT
2 stops14h 15mAir Canada
Deal found 12/9C$ 403
Sun 2/113:45 p.m.YQT - PHX
2 stops33h 02mWestJet
Sun 9/118:20 p.m.PHX - YQT
1 stop16h 50mWestJet
Deal found 12/9C$ 412
Mon 27/105:00 a.m.YQT - PHX
1 stop8h 49mAir Canada
Mon 3/118:00 a.m.PHX - YQT
2 stops13h 05mAir Canada
Deal found 13/9C$ 417
Tue 30/95:15 a.m.YQT - PHX
1 stop8h 07mAir Canada
Mon 6/107:30 a.m.PHX - YQT
2 stops23h 30mAir Canada
Deal found 13/9C$ 473
Mon 29/95:15 a.m.YQT - LAX
1 stop8h 15mUnited Airlines
Thu 2/1011:50 a.m.LAX - YQT
1 stop7h 56mUnited Airlines
Deal found 13/9C$ 478
Tue 28/1011:15 a.m.YQT - LAS
2 stops13h 20mUnited Airlines
Mon 3/1112:59 a.m.LAS - YQT
2 stops14h 46mUnited Airlines
Deal found 13/9C$ 484
Mon 6/1010:20 a.m.YQT - LGA
1 stop6h 10mPorter Airlines
Wed 8/105:30 p.m.LGA - YQT
1 stop4h 45mPorter Airlines
Deal found 12/9C$ 507
Wed 1/105:15 a.m.YQT - PHX
2 stops10h 44mAir Canada
Mon 6/103:32 p.m.PHX - YQT
2 stops15h 28mAir Canada
Deal found 13/9C$ 532
Mon 6/107:40 p.m.YQT - LGA
2 stops13h 15mMultiple Airlines
Wed 8/108:55 p.m.LGA - YQT
1 stop11h 55mMultiple Airlines
Deal found 12/9C$ 543
Wed 5/1111:15 a.m.YQT - LGA
1 stop6h 43mAir Canada
Mon 10/113:30 p.m.LGA - YQT
1 stop7h 35mAir Canada
Deal found 12/9C$ 610

Cheapflights Fare Finder

 
Customize your flight search to find flights from Thunder Bay to USA 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 14 September 2025.
Use the filters below to find and compare flights from Thunder Bay to the United States that are best for you.

Fly from

Thunder Bay

Fly to

USA

Route

Depart

Return

Price

Thunder BayLos Angeles

YQT - LAX

YQTLAX

Thunder Bay

Mon 29/9

7:40 p.m.-11:43 a.m.

2 stops19h 03m

Los Angeles

Thu 2/10

7:00 a.m.-6:54 p.m.

1 stop8h 54m

C$ 376

Thunder BayLas Vegas

YQT - LAS

YQTLAS

Thunder Bay

Tue 28/10

11:15 a.m.-8:49 p.m.

2 stops12h 34m

Las Vegas Harry Reid Intl

Tue 4/11

11:30 p.m.-10:05 a.m.

1 stop7h 35m

C$ 390

Thunder BayLas Vegas

YQT - LAS

YQTLAS

Thunder Bay

Wed 14/1

11:15 a.m.-8:49 p.m.

2 stops12h 34m

Las Vegas Harry Reid Intl

Sun 18/1

11:30 p.m.-10:05 a.m.

1 stop7h 35m

C$ 400

Thunder BayLos Angeles

YQT - LAX

YQTLAX

Thunder Bay

Mon 29/9

11:00 a.m.-9:35 p.m.

2 stops13h 35m

Los Angeles

Thu 2/10

10:30 p.m.-3:45 p.m.

2 stops14h 15m

C$ 403

Thunder BayPhoenix

YQT - PHX

YQTPHX

Thunder Bay

Sun 2/11

3:45 p.m.-1:18 p.m.

2 stops23h 33m

Phoenix Sky Harbor Intl

Sun 9/11

7:35 p.m.-3:10 p.m.

2 stops17h 35m

C$ 417

Thunder BayPhoenix

YQT - PHX

YQTPHX

Thunder Bay

Mon 27/10

5:00 a.m.-10:49 a.m.

1 stop8h 49m

Phoenix Sky Harbor Intl

Mon 3/11

12:45 p.m.-11:05 p.m.

1 stop8h 20m

C$ 417

Thunder BayLas Vegas

YQT - LAS

YQTLAS

Thunder Bay

Wed 14/1

7:45 a.m.-8:59 a.m.

1 stop28h 14m

Las Vegas Harry Reid Intl

Sun 18/1

6:15 p.m.-3:10 p.m.

2 stops17h 55m

C$ 464

Thunder BayPhoenix

YQT - PHX

YQTPHX

Thunder Bay

Tue 30/9

5:15 a.m.-10:22 a.m.

1 stop8h 07m

Phoenix Sky Harbor Intl

Mon 6/10

7:30 a.m.-10:00 a.m.

2 stops23h 30m

C$ 473

Thunder BayLos Angeles

YQT - LAX

YQTLAX

Thunder Bay

Mon 29/9

5:15 a.m.-10:30 a.m.

1 stop8h 15m

Los Angeles

Thu 2/10

11:50 a.m.-10:46 p.m.

1 stop7h 56m

C$ 478

Thunder BayLas Vegas

YQT - LAS

YQTLAS

Thunder Bay

Tue 28/10

11:15 a.m.-9:35 p.m.

2 stops13h 20m

Las Vegas Harry Reid Intl

Mon 3/11

12:59 a.m.-6:45 p.m.

2 stops14h 46m

C$ 484

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 50 results
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Best time to book a flight from Thunder Bay to USA

Have a flexible travel schedule? Discover the best time to fly to USA from Thunder Bay 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 Thunder Bay to the United States

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

Currently, May is the cheapest month in which you can book a flight from Thunder Bay to USA (average of C$ 231). Flying from Thunder Bay to USA in March is currently the most expensive (average of C$ 296). 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.

What is the cheapest time of day to fly from YQT to US?

Find hourly flight availability from Thunder Bay to USA. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Thunder Bay to USA as you normally would.

Reviews of airlines servicing USA

Get insights into the airlines that provide service to USA. 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 USA. Reviews last updated 14 September 2025.
Get a feel of what it's like to fly with Porter Airlines,United Airlines, andWestJet from Thunder Bay to the United States by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
7.9
Good
363 reviews
Check prices

Food

7.6

Overall

7.9

Comfort

7.9

Crew

8.6

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Food

7.6

Overall

7.9

Comfort

7.9

Crew

8.6

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
United Airlines
7.4
Good
8,934 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Food

7.6

Overall

7.9

Comfort

7.9

Crew

8.6

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
WestJet
7.2
Good
3,091 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Food

7.6

Overall

7.9

Comfort

7.9

Crew

8.6

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Food

7.6

Overall

7.9

Comfort

7.9

Crew

8.6

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Related info for your journey

Find useful and relevant information for your journey from Thunder Bay to USA. 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 from for flights from Thunder Bay to United States?

    Thunder Bay (YQT), located 5.6 km from the city centre, is the airport you fly out of when you book flights from Thunder Bay to United States.

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

    Departing from Thunder Bay to USA will take you 6h 10m. Thunder Bay and USA are separated by a distance of 1482 km. Both multi-stop and direct flights can be found to your destination and back.

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

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as C$ 238. However, be on the lookout for offers from United Airlines and Air Canada, as they are both options that can get you from Thunder Bay to USA for a low price.

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

    The most popular flight routes from Thunder Bay to USA are Thunder Bay - Phoenix Sky Harbor Intl, Thunder Bay - Providence-TFGreen and Thunder Bay - Portland.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Thunder Bay to USA 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 Thunder Bay to USA?

    Currently, May is the cheapest month in which you can book a flight from Thunder Bay to USA (average of C$ 231). Flying from Thunder Bay to USA in March is currently the most expensive (average of C$ 296). 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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Alternative routes for Thunder Bay to USA

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Thunder Bay to USA

Discover the top 4 airlines that operate flights from Thunder Bay to USA. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 14 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 304AverageC$ 638FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 315AverageC$ 479FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 323AverageC$ 359FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 325AverageC$ 443FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Thunder Bay to USA?

Cheapflights makes it easy to find Thunder Bay to USA flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Thunder Bay to USA?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Thunder Bay to USA.

Can Cheapflights find flights from Thunder Bay to USA with no change fees?

Yes, we can. To see specific flights from Thunder Bay to USA with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Thunder Bay to USA become cheaper?

Of course! You can now track prices for flights from Thunder Bay to USA and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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