OTTAWA — Canadian airline executives are set to testify before a parliamentary committee about their decisions to introduce carry-on bag fees for travellers. The CEOs of Air Canada and WestJet will appear today before the standing committee on transport, infrastructure and communities.

But passenger rights advocate Gabor Lukacs, who also testified before the parliamentary committee, said he worries taxpayers will end up footing the bill if the government moves to freeze the amount air travellers pay for services like navigation and security.

Airline CEOs defended carry-on baggage fees as they faced questions from MPs on the House transport committee on Friday.

Air Canada decided to introduce carry-on baggage fees for some customers to stay competitive with changing market forces in the country, a company executive told a parliamentary committee on Friday. Earlier this month,

One in three holidaymakers have been caught off guard with hidden and unexpected baggage fees when they have been travelling

Four airline CEOs will face questions about carry-on baggage fees when they appear before of the House of Commons transport committee today.

Canadian airline executives in the hot seat over carry-on bag fees say the federal government needs to reform this country's aviation system if it wants travel to become more affordable.