3 airlines go head-to-head on the MIA–ICN route. Compare seats, lounges, and fares from $2,900.
3 airlines fly business class from Miami (MIA) to Seoul (ICN), with round-trip fares ranging from $2,900 to $7,400. The average flight time is 16 hours. American Airlines and Korean Air are the primary competitors on this route. The most affordable fares typically appear in March, April, September.
The Miami-to-Seoul corridor is one of the most underappreciated long-haul business class routes in the Pacific network, and travelers booking business class from Miami to Seoul have three genuinely distinct products to weigh — each with a compelling case depending on what you prioritize over sixteen hours in the air. American Airlines operates its Flagship Suite on select widebody aircraft, Korean Air deploys its Prestige Suite on the 787-10, and Asiana fields its Business Smartium cabin on the A350 and 777. All three offer 1-2-1 direct-aisle-access configurations, but the gap in execution between them is wider than the seat maps suggest.
Korean Air's Prestige Suite is the standout for suite seekers. The sliding privacy door on the 787-10 creates genuine enclosure, and the cabin's refined aesthetic — softer lighting, thoughtful storage, and a genuinely impressive Korean meal service anchored by Bibigo-branded dining — makes this the most cohesive premium product on the route. Korean Air also tends to price this route more aggressively during shoulder seasons, and its Incheon hub at ICN is arguably the finest connecting airport in Asia, which matters enormously if Seoul is a gateway rather than a final destination. Asiana's Business Smartium, while slightly older in design philosophy, earns loyalty among foodies: the airline's multi-course Korean cuisine on the A350 consistently outperforms expectations, and the cabin on that aircraft is quieter than any 777 configuration. For value hunters willing to sacrifice the hard privacy door, Asiana frequently offers competitive positioning in March and April when Korean Air holds firmer on yield.
American's Flagship Suite brings a different kind of appeal — primarily for travelers originating deeper in the American network who value seamless single-ticket connectivity through MIA and the Admirals Club lounge access that comes with it. The Flagship Suite itself is a credible product with a closing door and direct aisle access, but the dining and soft product on ultra-long-haul routes still trails both Korean carriers in ambition and execution. It is the pragmatist's choice, not the connoisseur's.
The insider tip worth knowing: Korean Air's award and revenue availability on this route opens up meaningfully in late September and October, when summer leisure demand collapses before the holiday window tightens. Setting up automated fare alerts on BusinessClassSignal.com for this specific routing is the most reliable way to catch those windows before they close.
| Airline | Product | Seat Type | Lounge | Alliance | Typical Fare |
|---|---|---|---|---|---|
American Airlines AA | Flagship Suite | 1-2-1 suite with door | Flagship Lounge / Flagship First Dining | oneworld | From $2,900 |
Korean Air KE | Prestige Suite | 1-2-1 suite with sliding door | Korean Air Prestige Class Lounge | SkyTeam | From $2,900 |
Asiana Airlines OZ | Business Smartium | Lie-flat seat | Asiana Business Lounge | Star Alliance | From $2,900 |
Flagship Suite
1-2-1 suite with privacy door on select aircraft
Prestige Suite
1-2-1 suite with sliding privacy door on 787-10
Business Smartium
1-2-1 lie-flat seat on A350 and 777
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Start Tracking — It's Free →3 airlines operate Business Class on this route: American Airlines, Korean Air, Asiana Airlines. The "best" depends on your priorities — some offer enclosed suites, others prioritize food and lounge access. Our comparison table above breaks down each airline's seat type, lounge, and typical fare so you can decide what matters most.
Business Class fares on this route typically range from $2,900 to $7,400 round-trip. Pricing varies significantly by airline, season, and advance purchase. The best months to find competitive fares are March, April, September.
Set up a free fare watchlist on BusinessClassSignal. We monitor Business Class fares across all 3 airlines on this route 24/7 and alert you the moment prices drop to your target budget. Most travelers save $1,500–$3,000+ per ticket by catching short-lived price drops.
The average flight time is approximately 16 hours. Business Class makes long-haul flights significantly more comfortable with lie-flat seats, premium dining, and priority services. The experience varies considerably between airlines — see our comparison above.