What should you know about budget airlines flying Canada to the US?

Budget airlines can make cross-border travel much cheaper, but their fares work differently from full-service carriers. On Canada-to-US routes, ultra-low-cost carriers advertise very low base fares and charge separately for bags, seat selection and extras. Knowing how this works helps you compare the true cost of a ticket.

Which budget airlines fly Canada to the US?

Flair Airlines is the main ultra-low-cost carrier operating cross-border routes from Canada, focusing on popular leisure destinations. WestJet sits between budget and full-service with often-competitive fares, and Porter Airlines offers a value full-service experience. The budget airline market changes frequently, so always check which carriers currently serve your route.

How budget airline fares work

An ultra-low-cost fare typically covers the seat and a small personal item only. Carry-on bags, checked luggage, seat selection and changes are all paid extras. Once these are added, a budget fare can end up close to a full-service price — so always compare the all-in total rather than the headline fare.

Are budget airlines worth it for Canada-US flights?

Budget airlines offer the best value when you travel light, book early and do not need extras. For short cross-border hops and flexible leisure travellers, they can save a lot. If you need checked bags, specific seats or schedule reliability, a full-service fare may work out similar in price and more convenient.

Tips for booking budget Canada-US flights

Book early for the lowest base fares, add only the extras you truly need, and weigh and measure your bags in advance to avoid airport fees. Compare the all-in budget price against WestJet, Air Canada and Porter. As with most cross-border routes, mid-week travel booked several weeks ahead is cheapest.

Book your Canada-US flight with Metairfare

Compare fares and browse more routes in our Canada-to-USA flights guide, or contact Metairfare to book.

Frequently Asked Questions

Which budget airlines fly from Canada to the US?

Flair Airlines is the main ultra-low-cost carrier; WestJet and Porter Airlines also offer competitive value fares.

Are budget airlines cheaper for Canada-US flights?

They can be much cheaper if you travel light and book early, but added fees for bags and seats can narrow the gap.

Do budget airlines charge for carry-on bags?

Many ultra-low-cost fares include only a small personal item; carry-on and checked bags are usually paid extras.

How can I find the cheapest Canada-US flight?

Compare the all-in price across budget and full-service airlines, book early and fly mid-week.