C$ 678 Find Cheap Flights from Seattle to Incheon – Compare and Save

Among airlines operating Seattle to Incheon Intl Airport 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.

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

• Korean Air
• Delta
• Alaska Airlines
• Asiana Airlines

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

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

• Korean Air: a carry-on bag and a checked bag in Economy Class
• Asiana Airlines: a carry-on bag and a checked bag in Economy Class
• Alaska Airlines: a carry-on bag and a checked bag in Economy Class

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

Only Economy Class is available on flights from Seattle to Incheon Intl Airport.

On this route, direct and layover fares are close on average, with direct at C$ 1,191 round-trip and layover options via Vancouver Intl (YVR) at C$ 1,186.

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 Airbus A350-900 variants.

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

• Vancouver Intl (YVR) – 64% of one-stop connections
• Hong Kong Intl (HKG) – 14% of one-stop connections
• Taipei City Taiwan Taoyuan Intl (TPE) – 7% of one-stop connections
• Calgary (YYC) – 6% of one-stop connections

Vancouver Intl (YVR) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 61% on the Seattle to Incheon Intl Airport route. Wednesday is the cheapest departure day at C$ 491 round-trip on average, while Sunday is the most expensive at C$ 1,245, a difference of C$ 754. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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 Seattle to Incheon Intl Airport route, 22% of flights were delayed in the past 3 months, with delays averaging 2 hours 12 minutes.

Afternoon is the busiest departure period on Seattle to Incheon Intl Airport flights, with 66% leaving in that window. Night departures account for 33%, Morning flights for 1%, and Evening flights for 0%.

Some of the most popular sights in Incheon Intl Airport are Unseo Station, Songdo Convensia, and Incheon China Town. These are among the most viewed places in Incheon Intl Airport on KAYAK.

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

• Earliest: departs at 12:10 am and lands at 12:11 pm
• Latest: departs at 1:40 pm and lands at 1:41 am.

The flight takes about 12h 01m.

Last-minute fares on this route – booked within 2 weeks of departure – run 40% above the route average of C$ 1,193. Book 21 weeks before departure for the lowest fares.

A direct flight from Seattle to Incheon Intl Airport takes 12h 01m, covering 13,469 km.

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.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 1,187 to C$ 11,416. That means the highest observed fare was about 10x higher than the lowest one.

One-way fares from Seattle to Incheon Intl Airport are currently higher than usual. Average one-way flight prices are about C$ 713, which is 12% above the typical average for this route.

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

• Delta: 82% on time
• Alaska Airlines: 80% on time
• Korean Air: 79% on time

On average, flights on this route are punctual 78% of the time.

Night flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Calgary (YYC) gives the shortest average 1-stop total travel time at 15h 14m, compared with 15h 20m via Vancouver Intl (YVR) and 16h 24m via Taipei City Taiwan Taoyuan Intl (TPE).

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

Incheon Intl Airport (ICN) hosts 5 major car rental companies, with daily rates starting from around C$ 17 for economy cars. Top options include:
· WECAR
· Wheego
· Yesaway
· Alamo
· Enterprise Rent-A-Car

Round-trip flights from Seattle to Incheon Intl Airport range from C$ 491 to C$ 1,458, with an average of C$ 1,193 over the past 12 months. Anything below C$ 491 counts as a good deal.

Two airlines offer in-flight Wi-Fi on Seattle to Incheon Intl Airport flights:

• • Delta
• • JetBlue