Seattle, United States — cheap flights destination

One-way and roundtrip flights from Bangkok

Thai Airways flights to Seattle

🏙️City

Lowest fare: ฿39,577
Roundtrip from: ฿43,254
Typical roundtrip: ฿43,434

One way from ฿39,577 · Roundtrip from ฿43,254.

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Aug 1฿39,577

Flights and prices

Seattle: prices, dates and useful details

Planning a trip to Seattle? Compare dates, airlines, flight times and direct options from Bangkok. 1 one-way fares from ฿39,577 · 14 roundtrips from ฿43,254. These results are for thai airways (tg).

One way from: ฿39,577; 1 outbound-only options
Roundtrip from: ฿43,254; 14 complete trips
Typical roundtrip: ฿43,434; Half cost less, half cost more
Flight options: 14; Roundtrips available

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Departure month

August 2026

Seattle

Weather20°Mild

Typical one way฿19,663

Cheapest one-way fare฿39,577

Aug 1

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Find the trip that fits

Compare prices, dates, airlines and travel time. Then choose the deal that feels right.

Typical prices

What do Seattle roundtrips usually cost?

This distribution uses roundtrip prices only; one-way prices remain in their own labeled summary.

Lowest฿43,254

Typical low฿43,254

Typical฿43,434

Typical high฿43,434

Half of the 14 prices fall inside the shaded band. This makes it easier to see whether the lowest fare is common or unusual.

Airline comparison

Alternative airlines for Seattle

Some trips combine airlines, so check both flights before you book.

Alternative airlines for Seattle
Comparison	Lowest	Typical range	Results	Non-stop
1China Airlines	฿33,031	฿38,028–฿43,615	431	0%
2Starlux Airlines	฿35,521	฿35,793–฿39,328	94	0%
3Korean Air	฿37,848	฿38,028–฿41,884	29	0%
4Alaska Airlines	฿37,848	฿38,028–฿41,884	62	0%
5Thai Airways	฿43,254	฿43,254–฿43,434	14	—
6Asiana Airlines	฿43,627	฿46,281–฿47,698	66	0%
7EVA Air	฿48,602	฿48,602–฿49,726	10	—

Weather through the year

Typical temperatures in Seattle

Usual monthly temperatures can help you choose when to go. They are not a live forecast.

5°Jan

6°Feb

8°Mar

11°Apr

14°May

17°Jun

20°Jul

20°Aug

17°Sep

12°Oct

7°Nov

5°Dec

Typical monthly temperature range: 5°C to 20°C. Verify a live forecast near departure.

Useful trip facts

What to know about Seattle

Country: United States
Arrival code: SEA
Typical annual temperature: 11°C
Trip styles: City
Typical outbound from Bangkok: 15h 5m
Typical stay: 12 nights

Why go

Why travelers consider Seattle

Emerald City of the Pacific Northwest. Coffee culture, tech innovation, and stunning natural beauty between Puget Sound and the Cascade Mountains.

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Common questions about Seattle

What is the lowest available one-way fare for Seattle?

The lowest available one-way fare is ฿39,577. It is compared only with other one-way fares.

What is the lowest available roundtrip fare for Seattle?

The lowest available roundtrip fare is ฿43,254. Check the dates, baggage and final total before booking.

What is a typical fare for Seattle?

A typical fare is ฿43,434. Many available options sit between ฿43,254 and ฿43,434.

Which month has the lowest fares for Seattle?

Aug 2026 has the lowest available roundtrip fare, from ฿43,254.

How long does the journey take for Seattle?

A typical outbound journey takes 15h 5m. A typical roundtrip has 2 stops in total across both directions.

How does Thai Airways (TG) compare with other Seattle options?

The typical fare is ฿43,434, about 4% higher than other available options at ฿41,839.

Where does Thai Airways to Seattle fly from Bangkok?

Thai Airways to Seattle operates flights from Bangkok to multiple destinations. Browse the deals on this page to see all available Thai Airways to Seattle routes.

How do I find the best deals on Thai Airways to Seattle?

We track Thai Airways to Seattle flight prices daily from Bangkok. Set up a watchlist for your preferred route to get notified when prices drop.