We know price is an important factor in your travel decisions, and you can shop with confidence at delta.com with our Best Fare Guarantee. For eligible tickets, if you discover the same Delta itinerary (yes, that means the same flight, day, time, cabin, booking class, etc.) for a lower fare on Expedia, Travelocity or another online travel agency, we'll refund your money or give you the fare difference and a $100 travel voucher. Coupons, promo codes, deals, and $3 cash back savings for Delta Air Lines.