Seattle → Bangkok flights

Seattle (BFI, SEA)→Bangkok (BKK, DMK)
from€695

Last observed price · Last checked: 25 Aug 2026 · Price may change

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Short answer

The lowest fare our own searches returned is €695, seen on 25 Aug 2026. The average across the fares we caught is €756. November 2026 is the cheapest month in our observations, at €695. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare.

Selected search
Last checked: 25 Aug 2026 · Price may change
€695
Fri 27 Nov 2026 → Fri 4 Dec 2026
Korean Air1 stop7 nights
Cheapest
Last checked: 25 Aug 2026 · Price may change
€695 lowest€756 average18h 05m fastest
Options found on this date
KAKorean Air11:00 · 1 stop€695
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Tickets found in the last 7 days

The lowest fares our queries caught, cheapest first.

KA€695Cheapest27 Nov 2026 → 4 Dec 2026Korean Air · 1 stop · 11:00Last checked: 25 Aug 2026 · Price may change7 nightsView ticket →KA€6981 Oct 2026 → 4 Oct 2026Korean Air · 1 stop · 12:50Last checked: 25 Aug 2026 · Price may change3 nightsView ticket →SA€7185 Jan 2027 → 12 Jan 2027Singapore Airlines · 1 stop · 08:40Last checked: 25 Aug 2026 · Price may change7 nightsView ticket →KA€7432 Sep 2026 → 16 Sep 2026Korean Air · 1 stop · 12:50Last checked: 25 Aug 2026 · Price may change14 nightsView ticket →JX€74529 Aug 2026 → 12 Sep 2026JX · 1 stop · 01:15Last checked: 25 Aug 2026 · Price may change14 nightsView ticket →SA€93511 Dec 2026 → 25 Dec 2026Singapore Airlines · 1 stop · 08:40Last checked: 25 Aug 2026 · Price may change14 nightsView ticket →

Starting prices by month

The lowest fare our queries observed in each month. Open a month to see its days; click a day with no price and we will search it for you.

Observed priceLowest monthno price observedLast checked: 25 Aug 2026
Seattle → BangkokFri 27 Nov 2026 · €695
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Route facts

Cheapest month
November 2026
€695
Average observed
€756
Typical duration
18h 05m
Alternative airports
2
SEA, DMK

Frequently asked

Are there direct flights from Seattle to Bangkok?+

Our data holds no non-stop flight from Seattle to Bangkok. The fares on this page include at least one stop.

How much is a flight from Seattle to Bangkok?+

The lowest fare we have observed is €695, found on 25 Aug 2026. Prices move, so read it as a floor rather than a quote.

When is the cheapest month to fly from Seattle to Bangkok?+

In our observations November 2026 is the cheapest month so far, at €695.

Similar routes

Seattle → Istanbul€531Beijing → Bangkok€177Munich → Bangkok€492Manama → Bangkok€344Kolkata → Bangkok€194Frankfurt → Bangkok€495Dubai → Bangkok€287Kuala Lumpur → Bangkok€133

More routes from Seattle

Seattle → Istanbul€531Seattle → Beijing€596Seattle → Atlanta€198Seattle → New York€283Seattle → Los Angeles€73Seattle → San Francisco€121Seattle → Dallas€348Seattle → Ontario€124Seattle → Tokyo€740Seattle → Las Vegas€118Seattle → Phoenix€290Seattle → Denver€172Seattle → Calgary€173Seattle → Vancouver€241Seattle → Seoul€777Seattle → Frankfurt€795Seattle → AlanyaSeattle → DohaSeattle → London€482Seattle → Paris€393Seattle → Reykjavik€550Seattle → Dubai€670Seattle → Edmonton€304Seattle → Guadalajara€518Seattle → Mexico City€276Seattle → Taipei€641Seattle → Moscow€1,022Seattle → Toronto€246Seattle → Manila€353Seattle → Cancun€507

More routes to Bangkok

Beijing → Bangkok€177Munich → Bangkok€492Manama → Bangkok€344Kolkata → Bangkok€194Frankfurt → Bangkok€495Dubai → Bangkok€287Kuala Lumpur → Bangkok€133Zurich → Bangkok€437Hanoi → Bangkok€124Dhaka → Bangkok€228Ho Chi Minh City → Bangkok€117Denpasar (Bali) → Bangkok€233Phuket → Bangkok€31Abu Dhabi → Bangkok€240Almaty → Bangkok€354Sharjah → Bangkok€251Seoul → Bangkok€135Vienna → Bangkok€422Vladivostok → Bangkok€356Istanbul → Bangkok€417Guangzhou → Bangkok€123Copenhagen → Bangkok€468Jakarta → Bangkok€209Chengdu → Bangkok€142Tokyo → Bangkok€258Taipei → Bangkok€122Lahore → Bangkok€544Kaohsiung → Bangkok€156Shanghai → Bangkok€171Penang → Bangkok€140

Last checked: 25 Aug 2026