Find out what a flight from Seattle to Cheongju might cost

Prices vary based on date, airline, and availability. Compare several options if you're flying between Seattle and Cheongju.

Select your dates to check current offers.

Try shifting your departure forward or backward by a day to find better options. If you’re looking for a good deal, consider flying outside peak hours as well.

Which airports serve Seattle and Cheongju?

When planning a trip of about 5204 mi, it's a good idea to check flights from surrounding airports too.

• Airports in Seattle: Seattle is connected to 2 airports - Boeing Field, Lake Union.
• Airports in Cheongju: The only active airport in Cheongju is Cheongju.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Customize your flight from Seattle to Cheongju

Jetcost allows you to filter by travel dates, duration, layovers, carriers, and booking providers. You’ll find direct and connecting flights, one-way or round-trip, from Delta, American, United, Expedia, eDreams, and more.

Other popular destinations

Thinking about South Korea? You might also consider: Jeju City, Kwangju, Pusan, Seoul, Taegu.

You can sort results by price, duration, or departure time to find the best option for you. When available, results always include both low-cost and traditional airlines.