$373 Find Cheap Flights from Seattle to Seoul - Compare and Save

These are the earliest and latest flight times available from Seattle to Seoul:

• Earliest: departs at 12:10 am and lands at 12:12 pm
• Latest: departs at 1:40 pm and lands at 1:42 am.

The flight takes about 12h 02m.

Three cabin classes are available on flights from Seattle to Seoul:

• Economy Class
• Premium Economy Class
• Business Class

A nonstop flight from Seattle to Seoul takes 12h 02m, covering 5,176 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 Seattle to Seoul range from $356 to $1,061, with an average of $866 over the past 12 months. Anything below $356 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 40% above the $866 route average. Book 21 weeks before departure for the lowest fares.

On this route, nonstop and layover fares are close on average, with nonstop at $864 round-trip and layover options via Vancouver Intl (YVR) at $860.

Afternoon is the busiest departure period on Seattle to Seoul flights, with 50% of flights leaving in that window. Morning departures account for 25%, night flights for 25%, and evening 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 $936 to $8,605. That means the highest observed fare was about 9x higher than the lowest one.

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

One-way fares from Seattle to Seoul are currently in line with typical prices for this route. Average one-way fares are about $443.

Since Seoul is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
Near Incheon Intl Airport (ICN) — daily rates from around $12:

• WECAR
• Wheego
• Yesaway
• Alamo
• Enterprise Rent-A-Car

Near Seoul Gimpo Intl Airport (GMP) — daily rates from around $12:

• Yesaway
• Hi Rent
• Wheego
• Europcar
• Bella Jeju

Flights from Seattle to Seoul usually depart from Seattle/Tacoma Intl (SEA) and may arrive at several airports in Seoul area, including Seoul Gimpo Intl (GMP) and Incheon Intl (ICN).

One-stop flights from Seattle to Seoul 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

Yes. Flexible dates can save you up to 61% on flights from Seattle to Seoul. Wednesday is the cheapest departure day at $356 round-trip on average, while Sunday is the most expensive at $911, a difference of $555.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

4 airlines operate flights between Seattle and Seoul. The airlines offering nonstop flights on this route include:

• Korean Air
• Delta
• Alaska Airlines
• Asiana Airlines

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).

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

Some of the most popular sights in Seoul are Dongdaemun Market and COEX Convention and Exhibition Center. These are among the most viewed places in Seoul on KAYAK.

Among airlines operating Seattle to Seoul flights:

• Korean Air: offers extra legroom; offers free seat selection
• Delta: offers extra legroom; offers free seat selection
• Asiana Airlines: offers free seat selection
• Alaska Airlines: 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
• Delta: a cabin bag and a checked bag in Economy Class
• Asiana 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.

U.S. citizens traveling from Seattle to Seoul for tourism or business purposes can enter South Korea without a visa for up to 90 days. This is valid as long as the purpose of the visit is not to engage in paid work or long-term employment. Visa requirements can change over time, so it is essential to verify the current visa policy before traveling.

One choice would be to take the bus offered by Seoul Bus, which makes the trip in around 1h 14min, with buses leaving every hour or so. There is also a train operated by AREX that makes this trip in about 1 hour, with trains leaving every 15 minutes or so.

Incheon International Airport is by far the larger of the two airports and serves as a hub for over 80 airlines that are both domestic and international. If you do plan on traveling somewhere else in Korea after your flight to Seoul, Gimpo International Airport can make a much better choice since this airport focuses heavily on domestic travel to places like Busan, Daegu, and Jeju Island.

Some features this airport offers include visual paging boards and assistive listening devices for individuals with hearing impairments. The airport features accessible restrooms equipped with spacious stalls, grab bars, and accessible sinks. There are tactile maps and wayfinding signage with braille that are available throughout the airport to assist passengers with visual impairments in navigating the terminals.