Sign up for Spirit Airlines membership, get 500 + 500 miles

Sign up for Spirit Airlines membership now and get 500 miles for free, with no flight required; complete a flight to earn another 500 miles. Their miles expire after 12 months. If you’re already a member, register for the promotion and complete a flight to earn 1,000 miles.

• Promotion link

For an introduction to their membership program, see

• Spirit Airlines will soon launch the Free Spirit membership program