Air Canada is offering up to 15,000 bonus miles for flights within Canada and between the US and Canada through January 31. (Registration required.)

Here’s how it works:

One-way flights	Bonus Aeroplan Miles	Cumulative Bonus Aeroplan Miles
3	3,000	3,000
6	4,000	7,000
9	8,000	15,000*

Offer is valid with the following fare types: Executive Flexible, Executive Lowest, Latitude, Tango Plus and Tango.

Note that not all routes are eligible:

[E]ligible routes:

Within Canada:

• Halifax to Montreal, Ottawa, Toronto
• Montreal to Halifax
• Ottawa to Halifax
• Toronto to Vancouver, Calgary, Edmonton, Halifax
• London ON to Calgary
• Edmonton to Yellowknife, Toronto
• Calgary to Toronto, London ON, Yellowknife, Kamloops
• Vancouver to Toronto, Kamloops
• Kamloops to Calgary, Vancouver
• Yellowknife to Calgary, Edmonton

Between Canada and the U.S.:

• Montreal to Las Vegas, Newark, New York-LaGuardia
• Las Vegas, Newark, New York-LaGuardia to Montreal
• Toronto to Miami, San Francisco, Los Angeles, Chicago, Boston, Newark, New York-LaGuardia
• Miami, San Francisco, Los Angeles, Chicago, Boston, Newark, New York-LaGuardia to Toronto
• Edmonton to Los Angeles
• Los Angeles to Edmonton
• Vancouver to Los Angeles, San Diego
• Los Angeles, San Diego to Vancouver