Via Seoul

Flowing 87 /100

Los Angeles → Tokyo

No warning areas on this flight path

9,500 km · 14h

Moderate reroute options · via Seoul · ~14h

Route assessed 1h ago

Why book

Korean Air and Asiana via Seoul add a world-class North Asian hub break between Los Angeles and Tokyo. Seoul's airport is consistently top-rated; the Seoul to Tokyo second leg is only 2 hours over clean airspace. Useful when nonstop options are sold out or for connections beyond Tokyo.

Worth knowing

LAX–ICN uses the transpacific corridor — no advisory zone concerns. ICN–NRT is 2 hours over clean Korean/Japanese airspace. No advisory concerns on either leg.

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Flowing 87

Los Angeles → Tokyo

↓ route details
Route strength 73

Other paths · Stop quality

Problems now 100

Closed areas · Flight options

Clean airspace on both legs. Ranks below direct because hub dependency adds total journey time and missed-connection risk. ICN hub quality (score 0/3) is excellent — the structural penalty is hub dependency alone, not airspace exposure.

  • Clean Pacific airspace on both legs — no advisory zone exposure at any segment.
  • ICN hub scores 0/3 (world-class) with very high ICN–NRT frequency across Korean Air, ANA, and JAL.
  • The ICN–NRT second leg is only ~2 hours — much shorter than any alternative second leg to Tokyo from a US West Coast departure.
  • Korean Air and Asiana provide strong LAX–ICN frequency. Hub break at Seoul is most useful for connecting to other Korean or Japanese cities.

Other options for this trip

Transpacific Nonstop 90
Haneda Nonstop 83

Scores are based on official airspace warnings, added flight time, and how many reroute options exist. This is not a safety rating. Always check with your airline before you book.

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