Cheap Flights from Seattle to Bangkok
No deal from Seattle to Bangkok has cleared our price bar yet. What we have seen on the route is below.
Across 4 months of observations from Seattle to Bangkok, the lowest round-trip fare we recorded was $752, in August. The typical fare was $904. August was the cheapest month we saw and October the dearest.
The most recent price we saw on this route was $827 on Hainan, seen Oct 17. It is an unverified observation and may have changed.
See every deal <a href="/from/seattle">from Seattle</a>, <a href="/to/bangkok">to Bangkok</a>, or the return direction <a href="/from/bangkok/to/seattle">Bangkok to Seattle</a>.
Latest price we saw: Seattle to Bangkok
The most recent round-trip fare our sweep found on this route. It is not verified and may have changed since the date shown.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| Seattle (SEA) to Bangkok (BKK) | $827 | 5.5¢ | Oct 24 – Nov 2 | Hainan | Oct 17 | Check price |
Price history: Seattle to Bangkok
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $818 | $1169 | 66 |
| Sep 2026 | $773 | $823 | 93 |
| Aug 2026 | $752 | $822 | 220 |
| Jul 2026 | $802 | $802 | 2 |
Frequently asked questions
How many flight deals from Seattle to Bangkok are on Sparkflights right now?
There are 0 verified deals from Seattle to Bangkok on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Seattle to Bangkok?
The lowest fare we've recorded from Seattle to Bangkok is $752, based on 381 price observations over 4 months.
How much does a flight from Seattle to Bangkok cost?
The typical round-trip fare we observed from Seattle to Bangkok is $904, against a recorded low of $752. These are observations, not quotes.
When is the cheapest month to fly Seattle to Bangkok?
August was the cheapest month we observed from Seattle to Bangkok and October the dearest, over 4 months of data.
What is the current price from Seattle to Bangkok?
The most recent fare our sweep saw from Seattle to Bangkok is $827, on Oct 17. It is an unverified observation rather than a verified deal, so check it before booking.