Delta Airlines via DealBase discounts select nationwide round-trip fares, with prices starting from $106.60. That's the best price we could find for select routes on comparable 3-star carriers by $10. Book this travel deal by June 12 for travel from August 31 through September 28. Buy Now Tips On the DealBase landing page, click on "Delta Airlines" in the top line to see this sale. We found this price on flights departing on September 1 from Atlanta, GA (ATL) to Orlando, FL (MCO), with return on September 9. All prices, dates, and booking details were valid at the time of publication.