Air Canada is offering up to 50% off select flights within Canada right now. I just found out about this deal, and catch is, you have to book by October 8, which is…tomorrow!

This offer is for flights up until January 31, 2010. Restrictions include the blackout period between Dec 17-Jan 5. You must book at least five days in advance, and sale fares are valid for Monday-Wednesday travel only. You do not need a promo code to receive the discounted rates.

Some examples of reduced one-way fares include:
Vancouver to Calgary – $69
Toronto to Vancouver – $175
Edmonton to Winnipeg – $89
Winnipeg to Montreal – $99

For more information and to book your flight, click here.