Jetstar is offering a sale fare for Singapore-Hanoi route from $68 for travel between 11 Apr and 23 May 2012.
Sale ends 15 December 2011 (23:59), unless sold out prior. Sale may be extended. Sale fares are for travel in 2012. One way, all-inclusive Economy Starter^ fare-carry on baggage only.
For an additional $15-$65, per passenger, you can choose between 15kg-40kg checked baggage. Seats are subject to availability and may not be available on all flights or days. Conditions apply.