There may be some blackout dates depending on which airline you ride with and which day it is and also how busy the airline is on that specific day. Airlines are always looking to earn more money.
Blackout - 2009 I was released on: USA: 2009
Blackout dates are dates on which you cannot get an award ticket with frequent flyer miles. In some cases, you may be able to get an award on those dates by using more miles than you would need otherwise. Check with your airline for its list of blackout dates, if any, and policies.
One can book cheap train tickets online in Travel Supermarket site. To be able to book for a ticket one must go to its webpage and fill in the information needed such as types of journey, dates and destination.
BlackOut Burned Nights - 2012 was released on: USA: 2013
Total Blackout - 2012 was released on: USA: 25 April 2012
Blackout '77 - 2015 was released on: USA: 15 June 2015
Wacky Blackout - 1942 was released on: USA: 11 July 1942
There are many sites selling competitively priced airline tickets. I've gotten mine from Orbitz.com and Priceline.com. Don't forget to check with the airline directly. They frequently have inexpensive tickets if you are flexible on your travel dates.
Blackout - 2006 III was released on: USA: 11 August 2006 (MicroCineFest)
The Blackout Files - 2009 was released on: USA: 15 May 2009 (internet)
The cost of the airplane tickets depends on various factors like your traveling dates & airline which that you choose. If you are flexible with your dates then you will be able to get cheap flight tickets. If you are flying on weekends then your tickets cost more than weekdays. I can suggest you one site for your reference to compare air fare of various airlines.
After extensive research to find blackout dates for Disneyland in Hong Kong it appears that these dates vary depending on the service provider. Some of the blackout dates that were found are March 28 and 29, April 4 to 6, April 28 and 29 and June 9 and 10 for the year 2013.