Cheap Flights from Bangkok to Seattle — from €588
Compare cheap flights from Bangkok 🇹🇭 to Seattle 🇺🇸. Real prices, daily refreshed from Aviasales.
Cheapest month: 2026-10 at €588. Highest: €873. Tap a bar to jump to that month's fares ↓
Live cached prices from Aviasales. Pick a month, compare, book in one click.
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Bangkok → Barcelona Bangkok → Madrid Bangkok → Malaga Bangkok → Valencia Bangkok → Seville Bangkok → Ibiza Bangkok → Mallorca Bangkok → Tenerife Bangkok → Gran Canaria Bangkok → Lanzarote Bangkok → Bilbao Bangkok → Granada Bangkok → Lisbon Bangkok → Porto Bangkok → Faro Bangkok → Madeira Bangkok → Rome Bangkok → Milan Bangkok → Venice Bangkok → Florence Bangkok → Naples Bangkok → Palermo Bangkok → Catania Bangkok → Bologna Bangkok → Bari Bangkok → Verona Bangkok → Pisa Bangkok → Sardinia Bangkok → Paris Bangkok → Nice
London → Seattle Paris → Seattle Amsterdam → Seattle Brussels → Seattle Frankfurt → Seattle Munich → Seattle Berlin → Seattle Hamburg → Seattle Zurich → Seattle Geneva → Seattle Vienna → Seattle Dublin → Seattle Madrid → Seattle Barcelona → Seattle Lisbon → Seattle Porto → Seattle Rome → Seattle Milan → Seattle Naples → Seattle Athens → Seattle Copenhagen → Seattle Stockholm → Seattle Oslo → Seattle Helsinki → Seattle Reykjavik → Seattle Warsaw → Seattle Krakow → Seattle Prague → Seattle Budapest → Seattle Bucharest → Seattle
Updated 2026-04-14 · Real-time travel data · Affiliate disclosure: this page contains affiliate links — we earn a commission if you book.
The Bangkok to Seattle flight takes approximately 4–9 hours depending on routing. Total journey time including check-in and airport transfers adds 2–3 hours. Filter search results by total journey time, not just fare, to find the most efficient routing.
January, february, and november typically offer the lowest fares, often 25–45% below peak-season prices. Shoulder season — April through May and September through October — balances value with excellent travel conditions. Avoid school holiday windows, when demand drives fares sharply higher.
Book 3–5 weeks ahead for the best price and seat availability. Fares typically rise sharply inside 14 days of departure. Searching on Tuesday or Wednesday mornings returns 10–15% lower fares than weekend searches on average.
Direct nonstop service may be limited on this route. Most itineraries connect through a major hub. Check current airline schedules as nonstop routes are added and removed seasonally.
Set a fare alert for the route and search ±3 days around your target travel dates. Compare fares from nearby airports — a short drive can unlock significantly lower base fares. Self-connecting through a separate booking can beat bundled itinerary prices by 20–30%, though this carries risk if your first segment is delayed.