Flights SEA → LON

Curated weekend trips for the next few weeks. Prices are estimates until you verify.

Outbound partner clickouts are enabled only for deals updated in the last 72h.

ToolsBest dates calendar Date grid Direct flights Dates → destinations Under CHF 100

Quick summary

Looking for a quick escape? This route is currently showing direct options. Typical outbound flight time is about 3h. Common windows are ~7 nights. Best current pick is around USD 857.

More deals from SEA Origin stats Best month to go Under CHF 100

2026-10-11 → 2026-10-18

Direct • 3h

British Airways (BA)

[Out: Sun 20:30 → Mon 24:30 • 3h] — [Stay: 6d 9h] — [Back: Sun 09:50 → Sun 11:50 • 3h]

Source: Aviasales (cached) • Inserted 2026-06-04 · Thu 06:00 • Synced 2026-06-05 · Fri 06:00

Est. USD 857

Updated ~24h agoExpires in ~2d

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Price may differ at booking.

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