Cheap Flights from Seattle to Chiang Mai
No deal from Seattle to Chiang Mai has cleared our price bar yet. What we have seen on the route is below.
Across 4 months of observations from Seattle to Chiang Mai, the lowest round-trip fare we recorded was $802, in August. The typical fare was $850. August was the cheapest month we saw and July the dearest.
The most recent price we saw on this route was $872 on Korean Air, 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/chiang-mai">to Chiang Mai</a>, or the return direction <a href="/from/chiang-mai/to/seattle">Chiang Mai to Seattle</a>.
Latest price we saw: Seattle to Chiang Mai
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 Chiang Mai (CNX) | $872 | 6.1¢ | Feb 18 – Feb 25 | Korean Air | Oct 17 | Check price |
Price history: Seattle to Chiang Mai
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $822 | $857 | 37 |
| Sep 2026 | $812 | $843 | 69 |
| Aug 2026 | $802 | $837 | 97 |
| Jul 2026 | $862 | $862 | 2 |
Frequently asked questions
How many flight deals from Seattle to Chiang Mai are on Sparkflights right now?
There are 0 verified deals from Seattle to Chiang Mai on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Seattle to Chiang Mai?
The lowest fare we've recorded from Seattle to Chiang Mai is $802, based on 205 price observations over 4 months.
How much does a flight from Seattle to Chiang Mai cost?
The typical round-trip fare we observed from Seattle to Chiang Mai is $850, against a recorded low of $802. These are observations, not quotes.
When is the cheapest month to fly Seattle to Chiang Mai?
August was the cheapest month we observed from Seattle to Chiang Mai and July the dearest, over 4 months of data.
What is the current price from Seattle to Chiang Mai?
The most recent fare our sweep saw from Seattle to Chiang Mai is $872, on Oct 17. It is an unverified observation rather than a verified deal, so check it before booking.