Seattle to Dalaman
Business Class

Business class fares from Seattle to Dalaman run $2,800–$7,000 round-trip through BestBusinessClass.com, roughly 30–45% below what the same lie-flat seats cost booked directly with the airlines. There's no nonstop option on this 6,354-mile route, so every itinerary connects through a European or Gulf hub, pushing total travel time to around 14 hours in the air alone, before layovers. That makes cabin choice matter more than usual — a good connection with a comfortable lounge can make or break the trip.

Dalaman is the gateway to Turkey's Turquoise Coast, and travelers heading there are usually chasing the pine-backed coves around Fethiye and Ölüdeniz, the ruins at Kaunos, or a week on a gulet sailing the Aegean. It's also a practical entry point for Marmaris and the boutique hotels scattered along the coast between Göcek and Datça. Because it's a leisure-driven destination rather than a business hub, most travelers are optimizing for comfort on the long haul rather than schedule flexibility, which is exactly where a strong Seattle to Dalaman business class seat pays off.

Five airlines cover this route with genuinely different products. Delta's Delta One Suite gives you a closing door, 1-2-1 configuration, and a Tumi amenity kit — a strong pick if you're connecting through Amsterdam or Paris on a Delta/Air France itinerary. British Airways' Club Suite also has a closing door and pairs it with White Company bedding, typically routing through London Heathrow. Lufthansa's newer Allegris Business cabin, flying on the A350, brings a genuine suite feel with German-run service and connects via Frankfurt or Munich. Iberia routes through Madrid with a comfortable 1-2-1 lie-flat product and a Spanish culinary bent, while Air France offers lie-flat seating through Paris with access to the La Première lounge for premium connecting passengers. For this specific Seattle to Dalaman business class routing, the door-suite products from Delta and British Airways tend to command the highest fares, while Lufthansa and Iberia often deliver similar comfort for less.

Pricing on this route swings widely by season and how far out you book. January, February, and March are the cheapest months to fly, since Turkey's Aegean coast is quiet and off-peak in winter — you'll often see fares in the $2,800–$3,800 range during these months. October and November are the next best window, catching the tail end of the Turkish shoulder season after the summer crowds thin out, with fares typically landing in the $3,200–$4,500 range. Summer months (June through August) push toward the top of the $7,000 ceiling because that's peak gulet-cruise and beach season on the Turquoise Coast. Booking 3-4 months ahead generally locks in the better fare buckets on Delta One Suite and BA Club Suite, which sell out first on this connection-heavy route.

Because this is an eastbound overnight journey with a long connection built in, the practical advice is to pick a cabin with a door if you're sensitive to cabin noise and light — Delta and BA both deliver that here. Try to time the connecting flight so you land in Dalaman in daylight rather than the middle of the night, since ground transport to the coastal resorts is easier and safer that way. A door-suite plus a lounge with real food at the connecting hub (Frankfurt, Paris, London, or Madrid) makes the 14-hour total flying time feel far more manageable.