In Edmonton arriving aircraft most canadian and several us and European airlines. In addition, many flights from American cities arrive in calgary from which you can reach Edmonton in less than an hour.
Edmonton international airport is located ten kilometers from the city. The airport is not serviced by public transport, but there is a Shuttle that takes you to the center of Edmonton for 15 CAD. You can take a taxi but it will cost quite expensive — not less than 60 CAD, furthermore the airport car rental.
If you are interested in low cost options, you can opt for a Grand Edmonton, the room rate in which begins with a 55 CAD per night. Slightly more expensive will cost the Holiday Inn Express Downtown and Comfort Inn & Suites, located in a picturesque area, close to the city centre.