Cheap Flights from Seattle to Jeju City
No deal from Seattle to Jeju City has cleared our price bar yet. What we have seen on the route is below.
Across 4 months of observations from Seattle to Jeju City, the lowest round-trip fare we recorded was $857, in August. The typical fare was $934. August was the cheapest month we saw and July the dearest.
The most recent price we saw on this route was $896 on Cathay Pacific and Hong Kong Express, seen Oct 28. It is an unverified observation and may have changed.
See every deal <a href="/from/seattle">from Seattle</a>, <a href="/to/jeju-city">to Jeju City</a>, or the return direction <a href="/from/jeju-city/to/seattle">Jeju City to Seattle</a>.
Latest price we saw: Seattle to Jeju City
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 Jeju City (CJU) | $896 | 8.3¢ | Nov 12 – Nov 18 | Cathay Pacific and Hong Kong Express | Oct 28 | Check price |
Price history: Seattle to Jeju City
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $858 | $876 | 28 |
| Sep 2026 | $857 | $896 | 34 |
| Aug 2026 | $857 | $977 | 46 |
| Jul 2026 | $987 | $987 | 1 |
Frequently asked questions
How many flight deals from Seattle to Jeju City are on Sparkflights right now?
There are 0 verified deals from Seattle to Jeju City on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Seattle to Jeju City?
The lowest fare we've recorded from Seattle to Jeju City is $857, based on 109 price observations over 4 months.
How much does a flight from Seattle to Jeju City cost?
The typical round-trip fare we observed from Seattle to Jeju City is $934, against a recorded low of $857. These are observations, not quotes.
When is the cheapest month to fly Seattle to Jeju City?
August was the cheapest month we observed from Seattle to Jeju City and July the dearest, over 4 months of data.
What is the current price from Seattle to Jeju City?
The most recent fare our sweep saw from Seattle to Jeju City is $896, on Oct 28. It is an unverified observation rather than a verified deal, so check it before booking.