Qantas mistakenly sells first-class flights at a massive discount

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• Qantas blamed a coding error for drastically reduced first class fares.
• Around 300 travelers bought tickets with discounts of up to 85% off.
• Qantas said it's rebooking affected customers in business class or offering full refunds.

Australian airline Qantas has blamed a "coding error" for vastly reduced pricing on hundreds of first-class flights sold last week.

Around 300 travelers nabbed the tickets...