I'd booked a basic economy ticket, Delta's least-expensive tier that doesn't include the ability to select a seat. Round trip, my ticket had cost $197.80. A search for similar flights on Delta's website showed that the same route in Comfort Plus could cost between $300 and $450.

The price difference between Delta Main Cabin (Economy) and Delta Comfort+ in 2026 typically ranges from $30 to $150 per segment, depending on the length of the flight and the remaining seat availability. On a short domestic "hop" (e.g., Atlanta to Orlando), the upcharge is often a modest $35–$50. However, on long-haul international routes (e.g., New York to Paris), the difference can exceed $150. For this extra cost, Comfort+ passengers receive up to 3 or 4 inches of additional legroom, dedicated overhead bin space, and "early boarding" (typically Group 3). On many flights over 900 miles, Comfort+ also includes "premium snacks" and complimentary alcoholic beverages (for those 21+). In 2026, Delta's dynamic pricing means the gap is often smaller when booking far in advance, but can skyrocket if you try to "upgrade" at the last minute. Travelers must weigh whether the "cost per inch" of legroom is worth it; for a tall traveler on a 5-hour transcontinental flight, the $80 upcharge is often seen as a necessary expense for physical comfort, while a budget-conscious solo traveler on a 1-hour flight may find the standard Economy seat sufficient.