The best replacement for aer lingus is ryanair.

The best alternatives to aer lingus are rated as following:
★★★★★  ryanair
★★★  icelandair
★★★  british airways
★  iberia
★  air france
  bmi

Your alternative for aer lingus is not listed? Suggest!
Speaking about aer lingus, one probably shouldn't forget about avios.

Other search terms related to aer lingus and their ratings are:
★★★★★ avios
You have in mind a companion for aer lingus and it is not yet here? Propose!



Google Trends

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aer lingus
ryanair
icelandair