CA $563 Cheap Flights from Seattle (SEA) to Seoul (ICN)

You can find cheap one-way flights from CA $563 and cheap return flights CA $1,202 SEA to ICN with Expedia. One-way flights typically cost between CA$846 and CA$5300. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when SEA to ICN ticket fares go up or down.

If you're looking for the cheapest time to fly from Seattle - Tacoma Intl. (SEA) to Incheon Intl. (ICN), November is typically your best bet! You can expect average return flights to be around CA$1230. November often sees lower prices because it falls outside of peak holiday travel seasons, when demand tends to drop. Other budget-friendly months to consider for this route include January and September.

There are 3 airlines offering direct flights from Seattle - Tacoma Intl. (SEA) to Seoul (ICN-Incheon Intl.). These include:
* Delta operates 7 direct flights from Seattle - Tacoma Intl. (SEA) to Seoul (ICN-Incheon Intl.) every week.
* Korean Air operates 7 direct flights from Seattle - Tacoma Intl. (SEA) to Seoul (ICN-Incheon Intl.) every week.
* Asiana Airlines operates 7 direct flights from Seattle - Tacoma Intl. (SEA) to Seoul (ICN-Incheon Intl.) every week.

To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Seoul (ICN-Incheon Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best airline to fly with from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Seoul (ICN-Incheon Intl.) will differ from traveler to traveler. If you like to fly early, Asiana Airlines offers early morning flights. If price is the most important factor, Alaska Airlines typically offers the lowest fares. Alaska Airlines offers the most daily flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Seoul (ICN-Incheon Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.

The cheapest months to fly from Seattle - Tacoma Intl. (SEA) to Incheon Intl. (ICN) are typically November and September, with average return flights around CA$1230. While August is the most popular month for this route, offering plenty of flight options, it's not the cheapest. If you're looking for the best value, aiming for November or September will help you find more affordable fares.

You'll find around 3 nonstop flights per day from Seattle - Tacoma Intl. (SEA) to Incheon Intl. (ICN). For even more choices, look at flights that include layovers, as there are approximately 74 connecting flights per day. Some common connection points include San Francisco Intl. (SFO), Los Angeles Intl. (LAX), and Vancouver Intl. (YVR).

The earliest flight from Seattle - Tacoma Intl. (SEA) to Incheon Intl. (ICN) typically departs around 12:05 AM local time. This flight is operated by American Airlines. This is a seasonal service, active only in March. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

You'll typically find the most flights from Seattle - Tacoma Intl. (SEA) to Incheon Intl. (ICN) on a Wednesday, with around 85 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Alaska Airlines, Delta, and United. Flight options are fairly consistent throughout the week, with Wednesday offering only slightly more flights than other days.

The most popular departure times for flights from Seattle - Tacoma Intl. (SEA) to Incheon Intl. (ICN) are between 12pm and 3pm. Many major carriers, including Delta, Korean Air and Alaska Airlines, offer flights during this window. Many travellers prefer this timing as it allows for a full morning before departure and an arrival that can help with adjusting to the new time zone.

A nonstop flight from SEA to ICN typically takes around 12 hours, covering approximately 8,377 kilometers. Connecting flights on this route usually add 5 hours 20 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.

You can fly business class or first class between SEA and ICN. Airlines that offer business class service on this route include:

* Cathay Pacific
* Korean Air
* Air France
* Lufthansa
* Singapore Airlines
* Edelweiss Air
* Starlux Airlines
* Emirates
* Turkish Airlines
* Qatar Airways
* British Airways
* Air Canada
* Alaska Airlines
* Asiana Airlines
* Delta
* Hawaiian Airlines
* China Airlines
* Hainan Airlines
* Philippine Airlines
* Finnair
* All Nippon Airways
* United
* EVA Airways
* American Airlines

First class cabins are available on Emirates, Alaska Airlines, and Delta.

It's easy to earn miles on a Seattle, WA (SEA) to Seoul (ICN) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

If you're planning to travel to Seoul from Seattle - Tacoma Intl. (SEA), you can fly directly into Incheon Intl. (ICN). Some flights may connect through major hubs like San Francisco Intl. (SFO), Los Angeles Intl. (LAX), or Vancouver Intl. (YVR) before reaching Seoul. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from Seattle, WA (SEA) to Seoul (ICN) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a Seattle, WA (SEA) to Seoul (ICN) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to Seoul (ICN-Incheon Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.