$399 Cheap Flights from São Paulo (GRU) to Thunder Bay (YQT)

View $399 flight on Mon, Dec 8, 2025Opens in a new window

Popular airlines from São Paulo/Guarulhos Intl. Airport to Thunder Bay, ON (YQT-Thunder Bay Intl.)

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Cheap Flights from São Paulo to Thunder Bay (GRU-YQT)

Prices were available within the past 7 days and start at $399 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from São Paulo (GRU) to Thunder Bay (YQT)
Origin airport
Guarulhos - Governor André Franco Montoro Intl.
Destination airport
Thunder Bay Intl.
Distance
5622 mi

São Paulo to Thunder Bay Flights

The cheapest times to fly from São Paulo to Thunder Bay

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from São Paulo to Thunder Bay are during the month of . You can find some of the cheapest flights from São Paulo to Thunder Bay with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from São Paulo to Thunder Bay

Sunday is one of the best days to book for cheap flights from São Paulo to Thunder Bay: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from São Paulo to Thunder Bay

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from São Paulo to Thunder Bay in 2025. You can also book with separate airlines for your outbound and return journeys, from $399 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap São Paulo to Thunder Bay flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your São Paulo to Thunder Bay airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Guarulhos - Governor Andre Franco Montoro Intl. Airport (GRU) to Thunder Bay Intl. Airport (YQT) cost?
Secure a cheap one-way flight from $399 or cheap return flight from Guarulhos - Governor Andre Franco Montoro Intl. Airport (GRU) to Thunder Bay Intl. Airport (YQT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Guarulhos - Governor Andre Franco Montoro Intl. Airport (GRU) to Thunder Bay Intl. Airport (YQT)?
The cheapest month to fly from GRU to YQT is , when there's less demand. Off-peak season is typically when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Guarulhos - Governor Andre Franco Montoro Intl. Airport (GRU) to Thunder Bay Intl. Airport (YQT)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll fly you from GRU to YQT. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Guarulhos - Governor Andre Franco Montoro Intl. Airport (GRU) to Thunder Bay Intl. Airport (YQT)?
You'll need to catch a flight with a layover if you're traveling from Guarulhos - Governor Andre Franco Montoro Intl. Airport (GRU) to Thunder Bay Intl. Airport (YQT). There are no daily direct flights on this route. However, just filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from GRU to YQT?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary depending on a number of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Guarulhos - Governor Andre Franco Montoro Intl. Airport (GRU) to Thunder Bay Intl. Airport (YQT)?
To avoid possible delays on the Guarulhos - Governor Andre Franco Montoro Intl. Airport (GRU) to Thunder Bay Intl. Airport (YQT) route, travel before 3 PM. Later flights have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Guarulhos - Governor Andre Franco Montoro Intl. Airport (GRU) to Thunder Bay Intl. Airport (YQT) last-minute?
Last-minute fares from GRU to YQT are usually more expensive. To lock in the best rates, start searching for flights ahead of time. That said, if you're flexible with your travel dates, you may land a cheap fare right before you leave.
Is it cheaper to book a GRU to YQT flight and hotel package?
Compared with arranging hotels and flights separately, booking a GRU to YQT flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one place will take the stress out of travel planning. Simply pick your flights and select from our extensive range of stays, then tailor your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Guarulhos - Governor Andre Franco Montoro Intl. Airport (GRU) to Thunder Bay Intl. Airport (YQT)?
If you reserved your GRU to YQT flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

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*Available to One Key members.