$408 Find Cheap Flights from Incheon to Seattle - Compare and Save

These are the earliest and latest flight times available from Incheon Intl Airport to Seattle:

• Earliest: departs at 4:10 pm and lands at 2:09 am
• Latest: departs at 9:20 pm and lands at 7:19 am.

The flight takes about 9h 59m.

Four cabin classes are available on flights from Incheon Intl Airport to Seattle:

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

A nonstop flight from Incheon Intl Airport to Seattle takes 9h 59m, covering 5,200 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Round-trip flights from Incheon Intl Airport to Seattle range from $674 to $1,006, with an average of $825 over the past 12 months. Anything below $674 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 16% above the $825 route average. Book 9 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $330 round-trip via Honolulu (HNL), compared to $838 for nonstop.

Alaska Airlines is slightly above the route average for timely arrivals, while Delta has a lower on-time arrival rate. On-time arrival rates on Incheon Intl Airport to Seattle flights are:

• Alaska Airlines: 88% on time
• Delta: 87% on time
• Korean Air: 83% on time

Overall, flights on this route are punctual 81% of the time on average.

The Boeing 787-10 Dreamliner family is used most often on this route, operated mainly by Korean Air and Delta. Other aircraft seen on the route include Boeing 787-9 Dreamliner variants.

Evening is the busiest departure period on Incheon Intl Airport to Seattle flights, with 50% of flights leaving in that window. Afternoon departures account for 25%, night flights for 25%, and morning flights for 0%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $846 to $7,438. That means the highest observed fare was about 9x higher than the lowest one.

Delta is the only airline on the Incheon Intl Airport to Seattle route offering in-flight Wi-Fi. Pricing depends on fare class.

One-way fares from Incheon Intl Airport to Seattle are currently higher than usual. Average one-way flight prices are about $957, which is 40% above the typical average for this route.

Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:

• Fox
• Europcar
• Thrifty
• Budget
• Hertz

Flights from Incheon Intl Airport to Seattle usually depart from Incheon Intl (ICN) and arrive at Seattle/Tacoma Intl (SEA).

Evening flights have the fewest delays on this route, while night departures tend to have the most.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Incheon Intl Airport to Seattle route, 19% of flights were delayed in the past 3 months, with delays averaging 2h 31m.

One-stop flights from Incheon Intl Airport to Seattle most commonly connect through:

• Vancouver Intl (YVR) - 60% of one-stop connections
• San Francisco (SFO) - 20% of one-stop connections
• Taipei City Taiwan Taoyuan Intl (TPE) - 13% of one-stop connections
• Manila Ninoy Aquino Intl (MNL) - 2% of one-stop connections

Yes. Flexible dates can save you up to 25% on flights from Incheon Intl Airport to Seattle. Sunday is the cheapest departure day at $708 round-trip on average, while Tuesday is the most expensive at $940, a difference of $232.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

3 airlines operate flights between Incheon Intl Airport and Seattle. The airlines offering nonstop flights on this route include:

• Korean Air
• Delta
• Alaska Airlines

Flying via Vancouver Intl (YVR) gives the shortest average 1-stop total travel time at 14h 58m, compared with 15h 07m via Calgary (YYC) and 16h 24m via San Francisco (SFO).

Seattle is 16 hours behind Incheon Intl Airport (Pacific Time vs Korean Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Seattle are Pike Place Market, Lumen Field and Space Needle. These are among the most viewed places in Seattle on KAYAK.

Among airlines operating Incheon Intl Airport to Seattle flights:

• Korean Air: offers extra legroom; offers free seat selection
• Asiana Airlines: offers free seat selection
• Alaska Airlines: offers free seat selection
• Delta: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• Korean Air: a cabin bag and a checked bag in Economy Class
• Asiana Airlines: a cabin bag and a checked bag in Economy Class
• Alaska Airlines: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

After your flight from Incheon to Seattle, you can use various ground transportation means. Some options include public buses, like the King County Metro Transit system, which operates several bus routes in Seattle. Examples of popular bus routes include the RapidRide lines (A, B, C, D) and Route 40.

Common layovers for Korean Air flights from Incheon (Seoul), South Korea to Seattle, Washington, may include cities such as Tokyo, Japan, San Francisco, California, Los Angeles, California, or Vancouver, Canada. These cities often serve as popular transit hubs for connecting flights between Incheon and Seattle. Please note that specific layovers can vary depending on the airline's schedule and routing options available at the time of booking.

Korean Air operates its KAL Lounge at Incheon International Airport for passengers traveling from Incheon to Seattle. The KAL Lounge provides a comfortable and exclusive environment for passengers to relax, enjoy refreshments, and access various amenities before their flight. With its stylish design and attentive service, the KAL Lounge enhances the overall travel experience for Korean Air passengers flying between Incheon and Seattle.

Singapore Airlines offers a range of kid-friendly options on flights from Incheon to Seattle. Young travelers can enjoy a selection of TV shows, age-appropriate movies, and games through the airline's in-flight entertainment system. Additionally, children receive special meals tailored to their tastes and dietary requirements. The cabin crew also provides activity packs filled with coloring books, puzzles, and other engaging materials to keep kids entertained throughout the journey.