Roundtrip
🇺🇸Seattle
United States
City
Sep 5SatSep 11Fri
6 nights17°
Roundtrip fare
฿32,342
Steal
฿38,924-17%฿6,582 below avg
China AirlinesBest Time to Visit Seattle
Compare the cheapest months to fly from Bangkok to Seattle. One-way and roundtrip prices are shown as separate series.
One way from ฿16,566
Roundtrip from ฿32,342
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Featured Deals · Roundtrip
Outbound and return flights together in one total fare · Best fares right now
China AirlinesRoundtrip
🇺🇸Seattle
United States
City
Sep 5SatSep 14Mon
9 nights17°
Roundtrip fare
฿32,342
Steal
฿38,924-17%฿6,582 below avg
China AirlinesRoundtrip
🇺🇸Seattle
United States
City
Sep 5SatSep 13Sun
8 nights17°
Roundtrip fare
฿32,342
Steal
฿38,924-17%฿6,582 below avg
China AirlinesRoundtrip
🇺🇸Seattle
United States
City
Sep 5SatSep 15Tue
10 nights17°
Roundtrip fare
฿32,342
Steal
฿38,924-17%฿6,582 below avg
China AirlinesRoundtrip
🇺🇸Seattle
United States
City
Sep 5SatSep 8Tue
3 nights17°
Roundtrip fare
฿32,342
Steal
฿38,924-17%฿6,582 below avg
China AirlinesRoundtrip
🇺🇸Seattle
United States
City
Sep 5SatSep 9Wed
4 nights17°
Roundtrip fare
฿32,342
Steal
฿38,924-17%฿6,582 below avg
China AirlinesRoundtrip
🇺🇸Seattle
United States
City
Sep 6SunSep 11Fri
5 nights17°
Roundtrip fare
฿32,342
Steal
฿38,924-17%฿6,582 below avg
China AirlinesRoundtrip
🇺🇸Seattle
United States
City
Sep 6SunSep 14Mon
8 nights17°
Roundtrip fare
฿32,342
Steal
฿38,924-17%฿6,582 below avg
China AirlinesRoundtrip
🇺🇸Seattle
United States
City
Sep 6SunSep 13Sun
7 nights17°
Roundtrip fare
฿32,342
Steal
฿38,924-17%฿6,582 below avg
China AirlinesRoundtrip
🇺🇸Seattle
United States
City
Sep 6SunSep 15Tue
9 nights17°
Roundtrip fare
฿32,342
Steal
฿38,924-17%฿6,582 below avg
China AirlinesMonth price intelligence
Min and average fares.
Month price intelligence
Min and average fares.
January 2027
29 fares
One way29
- Min
- ฿16,694
- Avg
- ฿21,519
February 2027
10 fares
One way10
- Min
- ฿16,848
- Avg
- ฿17,975
July 2026
12 fares
One way5
- Min
- ฿31,920
- Avg
- ฿35,720
Roundtrip7
- Min
- ฿47,350
- Avg
- ฿47,350
August 2026
372 fares
One way30
- Min
- ฿16,566
- Avg
- ฿24,298
Roundtrip342
- Min
- ฿32,683
- Avg
- ฿39,663
September 2026
90 fares
One way30
- Min
- ฿16,566
- Avg
- ฿17,303
Roundtrip60
- Min
- ฿32,342
- Avg
- ฿33,731
October 2026
31 fares
One way31
- Min
- ฿16,566
- Avg
- ฿16,756
November 2026
30 fares
One way30
- Min
- ฿16,566
- Avg
- ฿17,084
December 2026
31 fares
One way31
- Min
- ฿16,694
- Avg
- ฿18,028
FAQ: Best Time to Visit Seattle
What is the cheapest flight from Bangkok to Seattle?
The cheapest flight we've found from Bangkok to Seattle is ฿32,342. Prices change frequently, so check back often for the latest deals.
What is the average flight price from Bangkok to Seattle?
The average price for flights from Bangkok to Seattle is around ฿33,731. You can save up to 4% by booking the cheapest available deal.
When is the best time to fly from Bangkok to Seattle?
Based on current prices, September 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.
Quick Answers
What is a steal?
A steal is one of the lowest fares available for that destination and fare type. One-way and roundtrip baselines stay separate.
When is the cheapest month?
august 2026 currently starts at ฿16,566, the lowest fare among these months.
What should I compare?
Check the fare-type label, total price, relevant dates, airlines, stops, travel time and baggage before you choose.
Can prices change?
Yes. Confirm the final price and flight details before you pay.