3 airlines go head-to-head on the AUS–ICN route. Compare seats, lounges, and fares from $2,500.
3 airlines fly business class from Austin (AUS) 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.
Choosing business class from Austin to Seoul means committing to roughly 14 hours in the air — long enough that the difference between a genuinely restorative suite and a merely adequate lie-flat seat becomes impossible to ignore. All three carriers competing on this route offer 1-2-1 direct-aisle-access configurations, but the similarity ends there: Korean Air's Prestige Suite on the 787-10, Asiana's Business Smartium on the A350 and 777, and Delta One Suite on the A350 and 767-400 represent meaningfully different philosophies of long-haul comfort, and knowing which suits your priorities can make the difference between arriving in Seoul refreshed and arriving depleted.
For suite seekers who prize genuine enclosure, Korean Air's Prestige Suite is the standout. The sliding privacy door on the 787-10 creates a sense of personal space that Asiana's Business Smartium — excellent as it is — simply cannot match, since Smartium relies on angled partitions rather than a closing door. That said, Asiana punches well above its weight on the A350 with arguably the most refined Korean dining in the sky, and its Asiana Lounge at Incheon remains one of the most genuinely pleasant transfer experiences in East Asia. Delta One Suite, meanwhile, brings a competitive door-equipped product, but routing through a hub like Los Angeles or Atlanta adds connection complexity that Korean Air and Asiana, both operating through Incheon, simply don't impose on Austin travelers.
On pricing, Asiana has historically been the most aggressive in releasing discounted premium inventory, particularly in the shoulder seasons of March, April, September, and October — the windows when award and cash fares alike tend to soften meaningfully across all three carriers. Korean Air, by contrast, tends to hold its rates firmer but rewards loyalty members through SkyPass with occasional flash availability. The insider move here: set alerts specifically for Asiana's mid-week departures in late September, when unsold premium cabins frequently surface at rates that make the decision almost automatic for value-conscious travelers.
For pure suite experience and seamless Incheon connectivity, Korean Air is the recommendation. Asiana wins for food-forward travelers and those chasing the best value. Delta One is worth considering if you're already deep in the SkyMiles ecosystem and can tolerate the connection. Whichever direction you lean, the fares on this route move quickly and unpredictably — setting up automated price alerts through BusinessClassSignal is the most reliable way to catch the right moment before it disappears.
| 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.