Visit Seoul in December 2026
Everything you need to know about flying to Seoul (ICN) in December — weather, pricing trends, and booking tips.
Weather & Conditions
December is dry season in much of Asia — perfect weather and moderate fares.
Season: winter in South Korea
Flight Pricing Trends
Off-peak for most routes
Tip: Book 3-4 weeks ahead for the best winter deals.
Popular Routes to Seoul in December
LAX → ICNSFO → ICNJFK → ICNSEA → ICNATL → ICN
Booking Tips for December
- Set a Pointify fare alert for ICN to get notified when prices drop.
- Compare cash fares against points redemptions — December peak pricing makes points especially valuable.
- Check transfer partners like Chase Ultimate Rewards and Amex Membership Rewards for award availability to Seoul.
- Fly mid-week (Tuesday–Thursday) for the lowest December fares to ICN.
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