There's something delightfully counterintuitive about routing through Iceland on your way to Europe, and Orlando travelers have quietly discovered it. The truth is, business class from Orlando to Reykjavík doesn't exist as a true nonstop premium product year-round in the way you might expect — Icelandair (FI) operates the only direct MCO-KEF service, and it's worth knowing upfront that the airline's Saga Class business cabin, typically fitted on their 737 MAX and 767 fleet, is a comfortable but no-frills product compared to the flagship business classes of Gulf or Asian carriers. Delta and United don't fly this route nonstop, so their passengers connect through JFK, Boston, or Newark, adding a layer of planning but also opening access to Delta One suites on transatlantic widebodies or United's Polaris seats, both considerably more plush than Saga Class if seat comfort matters more to you than routing simplicity.
Having flown this corridor across several seasons, I've found the sweet spot is a Thursday or Friday departure in June, when Icelandair's direct MCO-KEF flight aligns nicely with long Icelandic daylight and lighter transatlantic traffic overall. If you're connecting via JFK on Delta, build in at least two hours — Terminal 4's international transfer process can be slower than it looks on paper, especially in peak summer months. My insider tip: Icelandair frequently opens a free stopover of up to seven nights in Reykjavík at no additional airfare cost, a feature savvy Orlando travelers use to break up a longer European itinerary while still flying business the whole way — few travel advisors mention this because it's buried in fare rules rather than advertised.
Seasonality here is unusually pronounced. May through September is when Icelandair adds frequency and reliability improves substantially, while winter schedules thin out and connections become the more practical choice. Given how much these business class fares fluctuate between carriers and connection points, I'd strongly recommend setting up fare alerts rather than checking manually — this route rewards patience and quick action in equal measure.