Cathay Pacific All Asia Air Pass: is one of the best bargains in the Airline Industry.  Fares starting at $1,099 travel to  different twenty-four destinations in Asia and this pass includes a round trip ticket from either New York or Los Angeles to Hong Kong.  The journey must be completed within 21 days but extensions up to 90 days are available for additional fees.

Basic fare allows only a visit to two destinations but additional stops can be added for nominal fees.

• Bangkok • Busan • Cebu • Denpasar (Bali) • Fukuoka* • Ho Chi Minh City • Hong Kong • Jakarta

• Kaohsiung* • Karachi • Kota Kinabalu* • Kuala Lumpur • Manila • Nagoya • Osaka • Penang

• Phuket* • Phnom Penh* • Sapporo • Seoul • Singapore • Surabaya • Taipei • Tokyo

If these are not enough, you may visit even more cities for additional fees including utilizing the route network of partner Dragon Air.  Additional cities include:

• Bangalore* • Beijing* • Changsha* • Chengdu* • Chennai • Chongqing* • Dalian* • Delhi • Dhaka*

• Fuzhou* • Guangzhou* • Guilin* • Haikou* • Hangzhou* • Hanoi** • Kathmandu* • Kunming* • Mumbai

• Nanjing* • Ningbo* • Qingdao* • Sanya* • Shanghai • Shenyang* • Tianjin* • Wuhan* • Xiamen • Xian*

There are many restrictions involved with this fare however, and you should review the above link to make yourself aware.  Cathay Pacific is one of the best regarded airlines in the world.

Discover Malaysia Air Pass: This is a good alternative for those who do not begin journey in North America. Malaysia airlines offers a pass that allows five flights anywhere in Malaysia including the provinces, on the Island of Borneo for U.S. $199.  Malaysia Airlines also offers a $99 US pass for five flights in any one province.  You must utilize Malaysia Airlines on the international flight segment, to qualify for these fares..

 

Asean Air Pass

Asean Hip-Hop Pass:  This pass allows for extensive travel at a very reasonable price to some of the most popular destinations within Southeast Asia, including the Philippines and Indonesia. Passengers who wish to travel the airlines of the ASEAN federation  (Singapore Airlines, SilkAir, Thai Airways, Philippine Airlines, Garuda Airlines, Royal Brunei Airlines, Malaysia Airlines, Myanmar Airways and Vietnam Airlines) this is a great program.  Must purchase a minimum of 3 and maximum of six segments.  International ticket must be with one of the ASEAN carriers. Special note this pass has recently been expanded to include Cambodia, and Laos so now Angkor Watt can be visited also.

Discovery Air Pass:  This air pass allows travel on three different Asian Airlines: Bangkok Airways, Siem Reap Airways and Lao Airlines. This group offers a very reasonable fare for destinations throughout Asia including the countries of Cambodia, China, Japan, Laos, Myanmar,  and Singapore. Domestic segments cost $60 US per coupon and most international segments are available for only $100 US. Some routes for more distant travel are $160.

One World Asia Airpass:  allows travel to some interesting destinations including India, Pakistan, and Sri Lanka.  Different price levels for per flight segment depending on location traveled and number of miles to get there

 

Thai Airlines Air Pass: Offers an "Amazing Thailand" fare that allows travel on domestic segments to destinations throughout Thailand. You must purchase a minimum of 3 coupons for $169 US.  Up to five additional coupons are available for fifty-nine dollars US each. You do not have to travel internationally on Thai airlines to purchase this pass.  You must however purchase this pass outside of Thailand.

 

Lao Air Pass

Lao Airlines: offers a pass to destinations in Laos, Cambodia, Vietnam, China, and Thailand.  Three segment minimum offering significant savings over scheduled fares.