Business class fares › From Washington › Bangkok
Washington to Bangkok business class (WAS–BKK)
The cheapest round-trip business class fare from Washington to Bangkok seen on Aviasales in recent days is €6,152 ($6,799), departing 20 Dec 2026 and returning 5 Jan 2027, 2 stops, sold by Kupi.com (seen 9 Nov 2026, checked 14 Nov 2026). €6,152 is 13% above this route's 19-day average of €5,425 (range €4,059–€6,854 since 2026-10-25). Search these dates: https://flat.flights/go/washington-to-bangkok/?d=2026-12-20&r=2027-01-05
Business class fares found (14 Nov 2026)
| Round trip | USD | Outbound | Return | Stops | Sold by | Book |
|---|---|---|---|---|---|---|
| €6,152 | $6,799 | 20 Dec 2026 | 5 Jan 2027 | 2 stops | Kupi.com | 1 adult · 2 adults |
One adult, business cabin, as last seen by Aviasales users; price and availability change. The live search shows today's fares for other dates.
Price data: Washington to Bangkok business class
- Cheapest round trip now: €6,152 ($6,799)
- Is it a good price? €6,152 is 13% above this route's 19-day average of €5,425 (range €4,059–€6,854 since 2026-10-25).
- Cheapest departure month seen in the next 6 months: December 2026 (from €6,152, $6,799)
- Over the last 19 days (since 25 Oct 2026) the cheapest daily fare averaged €5,425, ranging €4,059–€6,854.
- Great-circle distance: 14,155 km (8,797 miles)
First class, nonstop, one way & cabin options: Washington to Bangkok
- No nonstop business class round trip departing in the next 6 months was seen.
- Budget-premium alternative: Compare Premium Economy on Washington to Bangkok
- No nonstop flight showed up in the flight sample (checked 13 Nov 2026).
- Lie-flat business seat: Not known. No nonstop flight showed up in the flight sample; on connecting itineraries the seat depends on the airlines used.
Route facts
- From: Washington, United States (airports: DCA, IAD)
- To: Bangkok, Thailand (airports: BKK, DMK)
- Fares cover every airport of both cities; the live search lets you pick a specific airport.
Book
Search Washington to Bangkok business class (1 adult) · Search for 2 adults · Premium Economy
Link to share: https://flat.flights/go/washington-to-bangkok/
Arrival & stay in Bangkok
- Hotels in Bangkok (2026-12-20 → 2027-01-05): Compare 5-star & business hotels
- Airport transfer in Bangkok: Book private airport pickup
- Mobile data in Thailand: Thailand travel eSIM (instant activation)
FAQ
How much is business class from Washington to Bangkok?
The cheapest round-trip business class fare from Washington to Bangkok seen on Aviasales in recent days is €6,152 ($6,799), departing 20 Dec 2026 and returning 5 Jan 2027, 2 stops, sold by Kupi.com (seen 9 Nov 2026, checked 14 Nov 2026). €6,152 is 13% above this route's 19-day average of €5,425 (range €4,059–€6,854 since 2026-10-25).
When is business class from Washington to Bangkok cheapest?
Among departures in the next 6 months seen in recent searches, the cheapest month is December 2026, from €6,152 ($6,799) round trip.
Is there a nonstop business class fare from Washington to Bangkok?
None of the cheapest business class fares seen recently is nonstop; the cheapest options have 2 stops. Nonstop flights may exist at higher prices.
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- All business class fares from Washington
- All business class fares to Bangkok