Typical price difference
+4%฿40,463 here compared with ฿38,954
One-way and roundtrip flights from Bangkok20°Mild
Flights to Seattle in August 2026
🏙️City
DepartureSat, Aug 15± 15 days
- Lowest fare
- ฿16,566 Aug 28
- Roundtrip from
- ฿32,683
- Typical roundtrip
- ฿40,463
Top deals
Flights and prices
Seattle: prices, dates and useful details
Planning a trip to Seattle? Compare dates, airlines, flight times and direct options from Bangkok. 30 one-way fares from ฿16,566 · 342 roundtrips from ฿32,683. These results are for august 2026.
- One way from
- ฿16,566
- 30 outbound-only options
- Roundtrip from
- ฿32,683
- 342 complete trips
- Typical roundtrip
- ฿40,463
- Half cost less, half cost more
- Flight options
- 342
- Roundtrips available
Saved searches
Save this search
Filters
Daily prices to Seattle15 days around August 15, 2026
AvgMinp25–p75
Cheapest
฿16,566
Aug 28
Global average
฿19,496
All travel dates
August avg
฿24,564
Selected month
Sort bySort by
Best Deals
Trip datesFlight itineraryTotal fareView
fri · Aug 28One way
Departurefri · Aug 28
One way2026
13:10BKK → SEA16:3515h 15m · 1 stop
2h 10m layover Taipei
Outbound13:10BKK16:35SEA15h 15m1 stop · via Taipei
Operated by
Starlux Airlines
Starlux Airlines฿16,566
฿19,496-15%
฿2,930 below average
Starlux AirlinesOne-way fare฿16,566฿19,496−15%Save ฿2,930View deal
Cheapest in the next 365 days
sat · Aug 29One way
Departuresat · Aug 29
One way2026
13:10BKK → SEA16:3515h 15m · 1 stop
2h 10m layover Taipei
Outbound13:10BKK16:35SEA15h 15m1 stop · via Taipei
Operated byStarlux Airlines
Starlux Airlines฿16,736
฿19,496-14%
฿2,760 below average
Starlux AirlinesOne-way fare฿16,736฿19,496−14%Save ฿2,760View deal
Lowest 10% in next 365 days
mon · Aug 24One way
Departuremon · Aug 24
One way2026
13:10BKK → SEA16:3515h 15m · 1 stop
2h 10m layover Taipei
Outbound13:10BKK16:35SEA15h 15m1 stop · via Taipei
Operated byStarlux Airlines
Starlux Airlines฿16,786
฿19,496-14%
฿2,710 below average
Starlux AirlinesOne-way fare฿16,786฿19,496−14%Save ฿2,710View deal
Lowest 10% in next 365 days
tue · Aug 25One way
Departuretue · Aug 25
One way2026
13:10BKK → SEA16:3515h 15m · 1 stop
2h 10m layover Taipei
Outbound13:10BKK16:35SEA15h 15m1 stop · via Taipei
Operated byStarlux Airlines
Starlux Airlines฿16,789
฿19,496-14%
฿2,707 below average
Starlux AirlinesOne-way fare฿16,789฿19,496−14%Save ฿2,707View deal
Lowest 10% in next 365 days
wed · Aug 26One way
Departurewed · Aug 26
One way2026
07:55BKK → SEA11:0515h 15m · 1 stop
1h 55m layover Tokyo
Outbound07:55BKK11:05SEA15h 15m1 stop · via Tokyo
Operated by
Alaska Airlines
Alaska Airlines฿19,097
฿19,496-2%
฿399 below average
Alaska AirlinesOne-way fare฿19,097฿19,496−2%Save ฿399View deal
Lowest 10% in next 365 days
4 seats leftthu · Aug 27One way
Departurethu · Aug 27
One way2026
07:55BKK → SEA11:0515h 15m · 1 stop
1h 55m layover Tokyo
Outbound07:55BKK11:05SEA15h 15m1 stop · via Tokyo
Operated byAlaska Airlines
Alaska Airlines฿20,817
Alaska AirlinesCurrent fare
One-way fare฿20,817Current fareView deal
4 seats left
sun · Aug 30One way
Departuresun · Aug 30
One way2026
07:55BKK → SEA11:0515h 15m · 1 stop
1h 55m layover Tokyo
Outbound07:55BKK11:05SEA15h 15m1 stop · via Tokyo
Operated byAlaska Airlines
Alaska Airlines฿20,867
Alaska AirlinesCurrent fare
One-way fare฿20,867Current fareView deal
sun · Aug 23One way
Departuresun · Aug 23
One way2026
07:55BKK → SEA11:0515h 15m · 1 stop
1h 55m layover Tokyo
Outbound07:55BKK11:05SEA15h 15m1 stop · via Tokyo
Operated byAlaska Airlines
Alaska Airlines฿22,536
Alaska AirlinesCurrent fare
One-way fare฿22,536Current fareView deal
4 seats left
sat · Aug 22One way
Departuresat · Aug 22
One way2026
17:30BKK → SEA19:4514h 50m · 1 stop
1h 25m layover Taipei
Outbound17:30BKK19:45SEA14h 50m1 stop · via Taipei
Operated by
China Airlines
China Airlines฿23,129
China AirlinesCurrent fare
One-way fare฿23,129Current fareView deal
5 seats left
sun · Aug 16One way
Departuresun · Aug 16
One way2026
17:30BKK → SEA19:4514h 50m · 1 stop
1h 25m layover Taipei
Outbound17:30BKK19:45SEA14h 50m1 stop · via Taipei
Operated byChina Airlines
China Airlines฿23,129
China AirlinesCurrent fare
One-way fare฿23,129Current fareView deal
9 seats left
thu · Aug 20One way
Departurethu · Aug 20
One way2026
17:30BKK → SEA19:4514h 50m · 1 stop
1h 25m layover Taipei
Outbound17:30BKK19:45SEA14h 50m1 stop · via Taipei
Operated byChina Airlines
China Airlines฿23,129
China AirlinesCurrent fare
One-way fare฿23,129Current fareView deal
4 seats left
wed · Aug 19One way
Departurewed · Aug 19
One way2026
17:15BKK → SEA19:5015h 5m · 1 stop
1h 30m layover Taipei
Outbound17:15BKK19:50SEA15h 5m1 stop · via Taipei
Operated by
Thai Airways
Thai Airways฿23,484
Thai AirwaysCurrent fare
One-way fare฿23,484Current fareView deal
fri · Aug 21One way
Departurefri · Aug 21
One way2026
09:50BKK → SEA13:3716h 7m · 1 stop
1h 40m layover Seoul
Outbound09:50BKK13:37SEA16h 7m1 stop · via Seoul
Operated by
Korean Air
Korean Air฿23,811
Korean AirCurrent fare
One-way fare฿23,811Current fareView deal
9 seats left
sat · Aug 15One way
Departuresat · Aug 15
One way2026
13:10BKK → SEA16:3515h 15m · 1 stop
2h 10m layover Taipei
Outbound13:10BKK16:35SEA15h 15m1 stop · via Taipei
Operated byStarlux Airlines
Starlux Airlines฿24,234
Starlux AirlinesCurrent fare
One-way fare฿24,234Current fareView deal
mon · Aug 10One way
Departuremon · Aug 10
One way2026
17:30BKK → SEA19:4514h 50m · 1 stop
1h 25m layover Taipei
Outbound17:30BKK19:45SEA14h 50m1 stop · via Taipei
Operated byChina Airlines
China Airlines฿24,905
China AirlinesCurrent fare
One-way fare฿24,905Current fareView deal
8 seats left
mon · Aug 17One way
Departuremon · Aug 17
One way2026
17:30BKK → SEA19:4514h 50m · 1 stop
1h 25m layover Taipei
Outbound17:30BKK19:45SEA14h 50m1 stop · via Taipei
Operated byChina Airlines
China Airlines฿24,905
China AirlinesCurrent fare
One-way fare฿24,905Current fareView deal
9 seats left
sun · Aug 9One way
Departuresun · Aug 9
One way2026
17:30BKK → SEA19:4514h 50m · 1 stop
1h 25m layover Taipei
Outbound17:30BKK19:45SEA14h 50m1 stop · via Taipei
Operated byChina Airlines
China Airlines฿24,905
China AirlinesCurrent fare
One-way fare฿24,905Current fareView deal
9 seats left
thu · Aug 13One way
Departurethu · Aug 13
One way2026
17:30BKK → SEA19:4514h 50m · 1 stop
1h 25m layover Taipei
Outbound17:30BKK19:45SEA14h 50m1 stop · via Taipei
Operated byChina Airlines
China Airlines฿24,905
China AirlinesCurrent fare
One-way fare฿24,905Current fareView deal
9 seats left
tue · Aug 18One way
Departuretue · Aug 18
One way2026
17:30BKK → SEA19:4514h 50m · 1 stop
1h 25m layover Taipei
Outbound17:30BKK19:45SEA14h 50m1 stop · via Taipei
Operated byChina Airlines
China Airlines฿24,905
China AirlinesCurrent fare
One-way fare฿24,905Current fareView deal
9 seats left
fri · Aug 7One way
Departurefri · Aug 7
One way2026
11:45BKK → SEA15:4516h 5m · 1 stop
1h 55m layover Seoul
Outbound11:45BKK15:45SEA16h 5m1 stop · via Seoul
Operated by
Asiana Airlines
Asiana Airlines฿26,263
Asiana AirlinesCurrent fare
One-way fare฿26,263Current fareView deal
Plan with confidence
Find the trip that fits
Compare prices, dates, airlines and travel time. Then choose the deal that feels right.
See the difference
August 2026 at a glance
Compare price, non-stop choice and travel time with other Seattle options.
Non-stop options
0%+0 points compared with other flights
Typical flight time
15h 15m0h 10m longer than the comparison
Roundtrip options
342Trips ready to compare
Typical prices
What do Seattle roundtrips usually cost?
This distribution uses roundtrip prices only; one-way prices remain in their own labeled summary.
Lowest฿32,683
Typical low฿37,682
Typical฿40,463
Typical high฿42,949
Flexible dates
Cheapest departure dates for Seattle
Compare nearby dates to see where the better prices are. Always check the final price before booking.
฿46,523
Aug 5
฿43,765
Aug 6
฿43,500
Aug 7
฿45,081
Aug 8
฿40,730
Aug 9
฿40,730
Aug 10
฿43,685
Aug 11
฿44,961
Aug 12
฿40,730
Aug 13
฿43,685
Aug 14
฿40,642
Aug 15
฿38,954
Aug 16
฿40,730
Aug 17
฿40,553
Aug 18
฿40,179
Aug 19
฿38,777
Aug 20
฿40,463
Aug 21
฿38,777
Aug 22
฿38,777
Aug 23
฿32,906
Aug 24
฿32,909
Aug 25
฿35,832
Aug 26
฿37,629
Aug 27
฿32,683
Aug 28
฿32,855
Aug 29
฿37,682
Aug 30
Flexible timing
Compare Seattle by travel month
Open a month to compare its dates, prices and available flights.
Airline comparison
Which airlines show the lowest Seattle fares?
Some trips combine airlines, so check both flights before you book.
| Comparison | Lowest | Typical range | Results | Non-stop |
|---|---|---|---|---|
| 1Starlux Airlines | ฿32,683 | ฿32,855–฿40,463 | 86 | 0% |
| 2China Airlines | ฿32,683 | ฿37,682–฿42,949 | 342 | 0% |
| 3Alaska Airlines | ฿35,832 | ฿36,011–฿44,781 | 49 | 0% |
| 4Thai Airways | ฿40,179 | ฿40,179–฿40,359 | 14 | — |
| 5Asiana Airlines | ฿43,320 | ฿43,505–฿43,685 | 46 | 0% |
| 6Air Canada | ฿46,344 | ฿46,523–฿46,523 | 10 | — |
| 7EVA Air | ฿47,048 | — | 9 | — |
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
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 15m
- Typical stay
- 12 nights
Usual temperature, not a forecast
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.
Explore related searches
Common questions about Seattle
What is the lowest available one-way fare for Seattle?
The lowest available one-way fare is ฿16,566. It is compared only with other one-way fares.
What is the lowest available roundtrip fare for Seattle?
The lowest available roundtrip fare is ฿32,683. Check the dates, baggage and final total before booking.
What is a typical fare for Seattle?
A typical fare is ฿40,463. Many available options sit between ฿37,682 and ฿42,949.
How many choices are available for Seattle?
Choose from 342 roundtrip flights across 1 destination in 1 country.
Are direct flights available for Seattle?
0 roundtrip flights are non-stop both ways. That is 0% of the current choices.
Which month has the lowest fares for Seattle?
Aug 2026 has the lowest available roundtrip fare, from ฿32,683.
When is the best time to fly from Bangkok to Seattle?
Based on current prices, August 2026 offers some of the best deals from Bangkok to Seattle. Check the month-by-month breakdown on this page for the cheapest times to fly.
Are there direct flights from Bangkok to Seattle?
Availability of direct flights depends on the season and airline. Use the "Direct" filter on our search page to find non-stop flights from Bangkok to Seattle.