You'll need to move fast on this opportunity. United MileagePlus members can save up to 40 percent when purchasing miles through Feb. 17, 2014,.
You must use the link below to purchase the miles and receive the discount.
Save 25 percent on the cost of purchasing 15,000 to 39,000 miles and save 40 percent when purchasing 40,000 to 150,000 miles.
Allow 48 hours for miles to process and post to your MileagePlus account.
Promotional offer valid until 11:59pm CT (Chicago local time) on Feb. 17, 2014.
Visit http://www.ualmiles.com/feb2014offer to buy miles at a discount.