3 airlines go head-to-head on the JFK–ICN route. Compare seats, lounges, and fares from $2,500.
3 airlines fly business class from New York (JFK) to Seoul (ICN), with round-trip fares ranging from $2,500 to $6,500. The average flight time is 14 hours. Korean Air and Asiana Airlines are the primary competitors on this route. The most affordable fares typically appear in March, April, September.
The fourteen hours between JFK and Incheon represent one of the more competitive business class corridors in the sky right now, and the contrast between Korean Air, Asiana, and Delta One is sharp enough to matter considerably depending on what you prioritize at 35,000 feet.

Korean Air's Prestige Suite on the 787-10 is the product that commands the most attention on this route. The sliding privacy door transforms what might otherwise feel like a premium seat into something genuinely approaching a private space, and the cabin's warm, muted aesthetic reflects a considered Korean design sensibility rather than the sterile functionality you find on too many long-haul products. The Prestige Class lounge at Incheon is among the finest airport lounges in the world — a fact that becomes particularly meaningful given you'll likely connect through ICN rather than treating it as your final stop. Dining aboard is ambitious and largely successful, with Korean signature dishes that feel purposeful rather than performative. For suite seekers and those who treat the journey as part of the experience, Korean Air is the answer. Korean Air also tends to release competitive award availability on this route, making it a strong target for points travelers booking three to four months ahead.
Asiana's Business Smartium is a competent, comfortable product — the 1-2-1 configuration on the A350 delivers genuine privacy and a fully flat bed — but it sits a meaningful tier below Korean Air's hardware in terms of refinement and the sheer drama of arrival. Where Asiana genuinely distinguishes itself is at the table. The galley team consistently outperforms expectations, and the bibimbap and multi-course Korean menu rival anything you'll find on this route. For travelers who believe that a great meal at altitude is the defining measure of a premium experience, Asiana deserves serious consideration. It also tends to price slightly more accessibly than Korean Air in revenue fare classes, making it the sensible choice for value hunters who refuse to sacrifice comfort.
Delta One on the A350 is the right answer for exactly one type of traveler: someone deeply embedded in the SkyMiles ecosystem who wants a genuinely good — if not transcendent — product without the unfamiliarity of a foreign carrier. The suite hardware is solid, the service is inconsistent compared to either Korean carrier, and the dining, while improved, cannot match the authenticity of what you'll find on either Korean flag carrier. Book Delta in the shoulder months of March or September when award space opens and SkyMiles valuations work in your favor — otherwise, the Korean carriers simply offer more for the distance.
| Airline | Product | Seat Type | Lounge | Alliance | Typical Fare |
|---|---|---|---|---|---|
Korean Air KE | Prestige Suite | 1-2-1 suite with sliding door | Korean Air Prestige Class Lounge | SkyTeam | From $2,500 |
Asiana Airlines OZ | Business Smartium | Lie-flat seat | Asiana Business Lounge | Star Alliance | From $2,500 |
Delta Air Lines DL | Delta One Suite | 1-2-1 suite with door | Delta One Lounge / Sky Club | SkyTeam | From $2,500 |
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
Delta One Suite
1-2-1 suite with privacy door on A350 and 767-400
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Start Tracking — It's Free →3 airlines operate Business Class on this route: Korean Air, Asiana Airlines, Delta Air Lines. 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 $2,500 to $6,500 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 14 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.