Title: Cheap Flights from Toronto (YYZ) to Boulder (WBU) - Expedia.ca ![Boulder featuring signage and night scenes](https://images.trvl-media.com/place/6051762/abab43d0-5a86-4737-84b8-4214547abf7a.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Toronto (YYZ) to Boulder (WBU) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Toronto Pearson Intl. Airport (YYZ) to Boulder, CO (WBU-Boulder Municipal) - ![Air Canada](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.ca/Flights-Search?leg1=from:yyz,to:wbu,departure:23/10/2025TANYT&leg2=from:wbu,to:yyz,departure:30/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![WestJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WS.svg) WestJet [](https://www.expedia.ca/Flights-Search?leg1=from:yyz,to:wbu,departure:23/10/2025TANYT&leg2=from:wbu,to:yyz,departure:30/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) - ![Flair Airlines](https://a.travel-assets.com/air/airlines/f8_sq.svg) Flair Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:yyz,to:wbu,departure:23/10/2025TANYT&leg2=from:wbu,to:yyz,departure:30/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F8"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:yyz,to:wbu,departure:23/10/2025TANYT&leg2=from:wbu,to:yyz,departure:30/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:yyz,to:wbu,departure:23/10/2025TANYT&leg2=from:wbu,to:yyz,departure:30/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:yyz,to:wbu,departure:23/10/2025TANYT&leg2=from:wbu,to:yyz,departure:30/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Porter Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_PD.svg) Porter Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:yyz,to:wbu,departure:23/10/2025TANYT&leg2=from:wbu,to:yyz,departure:30/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"PD"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Frequently asked questions ### How much is a flight from Toronton Pearson to WBU? > The lowest price advertised for a round-trip flight between Pearson Intl. Airport (YYZ) and WBU is . But you better get a move on. This figure is based on fares offered within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Pearson Intl. Airport (YYZ) to WBU? > The majority of flights can be conveniently cancelled online, but whether you incur a fee varies between airlines. If you do have to cancel your escape, follow the instructions in the [Customer Service Portal](https://www.expedia.ca/helpcenter). ### How do I find cheap flights from Toronton Pearson to WBU that have flexible change policies? > Select our "No change fees" filter to find flexible ticketing options for your flight from YYZ to WBU. This allows you to snag a great price in advance and still have the freedom to reschedule without any extra fees. You'll just need to pay the difference in fare. ### How far is the flight from Toronto Pearson Airport to WBU? > Expect to be soaring through the sky for a while, as the flight distance between Pearson Intl. Airport (YYZ) and WBU is 2,200 kilometres. Create a playlist of your favourite songs before you leave home to stay entertained during the flight. ### Which airlines fly direct from Pearson Intl. Airport (YYZ) to WBU? > Unfortunately, there aren't any airlines that fly direct between Toronton Pearson and WBU. You'll have to book a flight with one or more stops. ### Are YYZ to WBU flight tickets cheaper when they're purchased at the last minute? > Flight prices go up and down like a yo-yo, so not always. While last-minute deals between Toronto Pearson Airport and WBU are of course possible, it's also a good idea to keep a close eye on prices well before you fly. In fact, some air carriers publicize their prices up to a year prior to the departure date. Expedia is constantly updating the biggest airfare bargains around, so keep checking back and be ready to lock in your seat when the fares dip. ## Travel information | Origin airport | Pearson Intl. | | --- | --- | | Destination airport | Boulder Municipal | | Distance | 2138 km | ## Book with confidence ### Toronto to Boulder Flights **The easy way to book your flights from Toronto to Boulder**  With Expedia, it’s simple to find and book flights to Boulder from Toronto whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Boulder Municipal, 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 Toronto to Boulder today, tomorrow, or this week.   **Save dollars with cheap flights from Pearson Intl., YYZ to Boulder Municipal, WBU**  Sort your search results by price to find great deals on your flight from Toronto to Boulder—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Boulder from Toronto currently is just rising to .   Here are more money-saving tips:  - Fly in when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Boulder   - 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 Boulder from Toronto**  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. 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