Cheap Flights from Washington, D.C. to Na Thon (Ko Samui Island)
No deal from Washington, D.C. to Na Thon (Ko Samui Island) has cleared our price bar yet. What we have seen on the route is below.
Across 3 months of observations from Washington, D.C. to Na Thon (Ko Samui Island), the lowest round-trip fare we recorded was $1089, in August. The typical fare was $1153. August was the cheapest month we saw and October the dearest.
The most recent price we saw on this route was $1170 on Etihad and Bangkok Airways, seen Oct 17. It is an unverified observation and may have changed.
See every deal <a href="/from/washington-dc">from Washington, D.C.</a>, <a href="/to/na-thon-ko-samui-island">to Na Thon (Ko Samui Island)</a>, or the return direction <a href="/from/na-thon-ko-samui-island/to/washington-dc">Na Thon (Ko Samui Island) to Washington, D.C.</a>.
Latest price we saw: Washington, D.C. to Na Thon (Ko Samui Island)
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 |
|---|---|---|---|---|---|---|
| Washington, D.C. (IAD) to Na Thon (Ko Samui Island) (USM) | $1170 | 6.4¢ | Oct 30 – Nov 5 | Etihad and Bangkok Airways | Oct 17 | Check price |
Price history: Washington, D.C. to Na Thon (Ko Samui Island)
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $1110 | $1178 | 26 |
| Sep 2026 | $1089 | $1132 | 66 |
| Aug 2026 | $1089 | $1150 | 127 |
Frequently asked questions
How many flight deals from Washington, D.C. to Na Thon (Ko Samui Island) are on Sparkflights right now?
There are 0 verified deals from Washington, D.C. to Na Thon (Ko Samui Island) on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Washington, D.C. to Na Thon (Ko Samui Island)?
The lowest fare we've recorded from Washington, D.C. to Na Thon (Ko Samui Island) is $1089, based on 219 price observations over 3 months.
How much does a flight from Washington, D.C. to Na Thon (Ko Samui Island) cost?
The typical round-trip fare we observed from Washington, D.C. to Na Thon (Ko Samui Island) is $1153, against a recorded low of $1089. These are observations, not quotes.
When is the cheapest month to fly Washington, D.C. to Na Thon (Ko Samui Island)?
August was the cheapest month we observed from Washington, D.C. to Na Thon (Ko Samui Island) and October the dearest, over 3 months of data.
What is the current price from Washington, D.C. to Na Thon (Ko Samui Island)?
The most recent fare our sweep saw from Washington, D.C. to Na Thon (Ko Samui Island) is $1170, on Oct 17. It is an unverified observation rather than a verified deal, so check it before booking.