CA $557 Cheap Flights from Ontario (ONT) to Thunder Bay (YQT)

View CA $557 flight on Sat, Aug. 9, 2025Opens in a new window

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Thunder Bay, ON (YQT-Thunder Bay Intl.)

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Cheap flights from Ontario (ONT) to Thunder Bay (YQT)

Prices were available within the past 7 days and start at CA $557 for one-way flights and CA $1,492 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Aug. 9 - Fri, Aug. 22
ONT
Ontario
YQT
Thunder Bay
CA $1,492 Roundtrip, found 6 days ago
CA $1,492
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Aug. 9 from Ontario to Thunder Bay, returning Fri, Aug. 22, priced at CA $1,492 found 6 days ago
Flight from Ontario to Thunder Bay (ONT - YQT) route information
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Thunder Bay Intl.
Roundtrip price
CA $1,492
Distance
2808 km

Los Angeles to Thunder Bay Flights

The easy way to book your flights from Ontario to Thunder Bay 

With Expedia, it’s simple to find and book flights to Thunder Bay from Ontario whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 2 airlines that cover this route. There are nonstop flights to Thunder Bay Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Ontario to Thunder Bay today, tomorrow, or this week.  

 

Save dollars with cheap flights from Los Angeles - Ontario Intl., ONT to Thunder Bay Intl., YQT 

Sort your search results by price to find great deals on your flight from Ontario to Thunder Bay—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Thunder Bay from Ontario currently is just CA $1,492 rising to CA $1,492.  

Here are more money-saving tips: 

  • Fly in August when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Thunder Bay  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Thunder Bay from Ontario 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Thunder Bay with Expedia today.

Frequently asked questions

How much is a flight from ONT to Thunder Bay Intl. Airport?
Round-trip journeys from Ontario Airport to Thunder Bay Intl. Airport (YQT) start from CA $1,492. This figure is based on fares offered within the last 7 days on Expedia for flights departing within the next year — book now so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Ontario Airport to YQT?
Every air carrier has different terms and conditions. If you decide to cancel your vacation, head to our Customer Service Portal.
How do I find cheap flights from Los Angeles - Ontario Intl. Airport (ONT) to Thunder Bay Intl. Airport (YQT) that have flexible change policies?
Many carriers will allow you to reschedule your flight without a change fee. All you pay is the difference in the ticket price. When looking for ONT to Thunder Bay Intl. Airport (YQT) flights, you'll find a "No change fees" filter for you to pick.
How far is the flight from Los Angeles - Ontario Intl. Airport (ONT) to Thunder Bay Intl. Airport (YQT)?
Around 2,800 kilometres separates Ontario and Thunder Bay, so pack something to help you while away a few hours. That novel you've yet to start will do the trick.
Which airlines fly direct from Ontario Airport to Thunder Bay Intl. Airport?
Direct flights aren't available, so you'll have to make at least one stop between ONT and Thunder Bay Intl. Airport. Use the layover time to stretch your legs and freshen up.
Are ONT to Thunder Bay Intl. Airport (YQT) flight tickets cheaper when they're purchased at the last minute?
Fares from Ontario Airport to YQT are available up to 12 months before departure on Expedia. And although you may occasionally score a great last-minute deal, it's never a sure thing. Also, booking your flights well in advance means you'll have more choices — and you can avoid getting trapped in the dreaded middle seat! We frequently update our fares to bring you the biggest bargains, so keep checking in for all the latest specials.

Explore a world of travel with Expedia

Ontario nearby Airports

Los Angeles

Los Angeles Intl. to Thunder Bay
CA $507.47

Orange County

John Wayne to Thunder Bay
CA $1,531.59
*Available to Expedia members.