Cheap Flights from Toronto (YYZ) to Boulder (WBU)

Popular airlines from Toronto Pearson Intl. Airport (YYZ) to Boulder, CO (WBU-Boulder Municipal)

Frequently asked questions

How much does a flight from Pearson Intl. Airport (YYZ) to Boulder, CO (WBU-Boulder Municipal) cost?
Snag a cheap one-way flight or cheap return flight from Pearson Intl. Airport (YYZ) to Boulder, CO (WBU-Boulder Municipal) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Pearson Intl. Airport (YYZ) to Boulder, CO (WBU-Boulder Municipal)?
is the cheapest month to fly from YYZ to WBU. Traveling during an off-peak travel window is often the key to finding a great deal.
What is the cheapest airline that flies from Pearson Intl. Airport (YYZ) to Boulder, CO (WBU-Boulder Municipal)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest YYZ to WBU flight.
How many flights per day from Pearson Intl. Airport (YYZ) to Boulder, CO (WBU-Boulder Municipal)?
You'll need to take a flight with a layover if you're traveling from Pearson Intl. Airport (YYZ) to Boulder, CO (WBU-Boulder Municipal). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from YYZ to WBU?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* But this can vary depending on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Pearson Intl. Airport (YYZ) to Boulder, CO (WBU-Boulder Municipal)?
Choose a flight from Pearson Intl. Airport (YYZ) to Boulder, CO (WBU-Boulder Municipal) that leaves before 3 PM to reduce the risk of cancellations. Later departures are on average 22% more likely to be 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.
What airports do you fly into for Boulder from Pearson Intl. Airport (YYZ)?
Denver Intl. Airport (DEN) is the only airport in Boulder with direct flights from Pearson Intl. Airport (YYZ). Explore the available options and find cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Pearson Intl. Airport (YYZ) to Boulder, CO (WBU-Boulder Municipal) last-minute?
Waiting until just before your trip to book a flight from YYZ to WBU often results in higher prices. While you may come across some last-minute offers, there's no guarantee. Allow some flexibility in your schedule for a better chance of scoring a bargain.
Is it cheaper to book a YYZ to WBU flight and hotel package?
Opting for a YYZ to WBU flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Select from our impressive range of accommodations and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Pearson Intl. Airport (YYZ) to Boulder, CO (WBU-Boulder Municipal)?
If you reserved your YYZ to WBU flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the fare 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 if you want more information.

Travel information

Travel information

Origin airport
Pearson Intl.
Destination airport
Boulder Municipal
Distance
1336 mi

Book with confidence

Book with confidence

Toronto to Boulder Flights

The cheapest times to fly from Toronto to Boulder

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 Toronto to Boulder are during the month of . You can find some of the cheapest flights from Toronto to Boulder with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Toronto to Boulder

Sunday is one of the best days to book for cheap flights from Toronto to Boulder: 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 Toronto to Boulder

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 Toronto to Boulder in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Toronto to Boulder 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 Toronto to Boulder 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.

 

Toronto to Boulder Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.