Title: Cheap Flights from Seattle (SEA) to Jeju (CJU) - Expedia.ca ![Jeju City showing a city and a park](https://images.trvl-media.com/place/6052863/f6981dd1-a280-488a-839d-80d4128b4658.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/6052863/f6981dd1-a280-488a-839d-80d4128b4658.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Seattle (SEA) to Jeju (CJU) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Seattle-Tacoma International Airport (SEA) to Jeju Intl. Airport (CJU) - ![Singapore Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_SQ.svg) Singapore Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:cju,departure:07/11/2025TANYT&leg2=from:cju,to:sea,departure:14/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"SQ"}}]) - ![Cathay Pacific](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_CX.svg) Cathay Pacific [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:cju,departure:07/11/2025TANYT&leg2=from:cju,to:sea,departure:14/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"CX"}}]) - ![Korean Air](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_KE.svg) Korean Air [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:cju,departure:07/11/2025TANYT&leg2=from:cju,to:sea,departure:14/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"KE"}}]) - ![Asiana Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_OZ.svg) Asiana Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:cju,departure:07/11/2025TANYT&leg2=from:cju,to:sea,departure:14/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"OZ"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Frequently asked questions ### How much is a flight from SEA to Jeju Intl. Airport? > Based on fares advertised within the last 7 days on Expedia for flights departing within the next year, round-trip journeys between Sea-Tac Airport and Jeju Intl. Airport (CJU) start from . Book today to score the best price for your adventure. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from SEA to CJU? > This varies between airlines, as each has its own set of terms and conditions. Head to the [Customer Service Portal](https://www.expedia.ca/helpcenter), where you'll find simple instructions on how to cancel your flight online. ### How do I find cheap flights from Sea-Tac Airport to Jeju Intl. Airport that have flexible change policies? > Plenty of carriers offer the option to reschedule your flight without a change fee. All you pay is the difference in the ticket price. When searching for Sea-Tac Airport to Jeju Intl. Airport flights, you'll see a "No change fees" box for you to pick. ### How far is the flight from Sea-Tac Airport to CJU? > With around 8,700 kilometres separating SEA and Jeju Intl. Airport (CJU), your flight will be a long one. Pack wisely and make your trip more comfortable. Little things like an eye mask and a cozy travel pillow should be in your hand luggage. ### Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to Jeju Intl. Airport? > Unfortunately, there aren't any airlines that fly directly between Seattle - Tacoma Intl. Airport (SEA) and Jeju Intl. Airport. You'll have to book a flight with at least one stop. ### Are Sea-Tac Airport to Jeju Intl. Airport (CJU) flight tickets cheaper when they're purchased at the last minute? > Flight prices change all the time, so not always. While last-minute flight deals between Seattle - Tacoma Intl. Airport (SEA) and CJU are of course possible, it also makes sense to monitor prices well before you fly. In fact, some air carriers publish their prices up to a year ahead of the departure date. Expedia is constantly updating the best bargains around, so keep checking and be ready to lock in your seat when the price is low. ## Travel information | Origin airport | Seattle - Tacoma Intl. | | --- | --- | | Destination airport | Jeju Intl. | | Distance | 8656 km | ## Book with confidence ### Seattle to Jeju City Flights **The easy way to book your flights from Seattle to Jeju**  With Expedia, it’s simple to find and book flights to Jeju from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Jeju Intl., too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Jeju today, tomorrow, or this week.   **Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Jeju Intl., CJU**  Sort your search results by price to find great deals on your flight from Seattle to Jeju—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Jeju from Seattle currently is just rising to .   Here are more money-saving tips:  - Fly in when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Jeju   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to Jeju from Seattle**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Jeju with Expedia today. ## Explore a world of travel with Expedia - Flights - [Flights from Vernon to Jeju City](https://www.expedia.ca/lp/flights/10619/850/vernon-to-jeju-city) - [Flights from Okinawa Island to Jeju City](https://www.expedia.ca/lp/flights/10805/850/okinawa-island-to-jeju-city) - [Flights from Hanoi to Jeju City](https://www.expedia.ca/lp/flights/1428/850/hanoi-to-jeju-city) - [Flights from Hai Phong to Jeju City](https://www.expedia.ca/lp/flights/1507/850/hai-phong-to-jeju-city) - [Flights from Joinville to Jeju City](https://www.expedia.ca/lp/flights/1719/850/joinville-to-jeju-city) - [Flights from Gangneung to Jeju City](https://www.expedia.ca/lp/flights/1751/850/gangneung-to-jeju-city) - [Flights from Beijing to Jeju City](https://www.expedia.ca/lp/flights/178237/850/beijing-to-jeju-city) - [Flights from Calgary to Jeju City](https://www.expedia.ca/lp/flights/178245/850/calgary-to-jeju-city) - [Flights from Seoul to Jeju City](https://www.expedia.ca/lp/flights/178308/850/seoul-to-jeju-city) - 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