What percentage of Seattle to Seoul flights are direct?

In the trailing 90 days, approximately 22.2% of flights from Seattle to Seoul were direct. For travelers opting for connecting flights, the median number of stopovers was 2. This suggests that while direct options are available, a significant portion of routes involve at least one stop.

What's the flight time from Seattle to Seoul?

The median direct flight time from Seattle to Seoul is typically 11 hours and 55 minutes, covering a distance of 8373 kilometers. For flights with one stop, the median duration is considerably longer, averaging 19 hours and 5 minutes. Travelers should account for these differences when planning their journey.

Are there frequently good prices on flights from Seattle to Seoul?

Historically, good prices on flights from Seattle to Seoul have been frequent. This route is classified as one that regularly offers competitive fares. Travelers can often find favorable deals when planning their trips between these two cities.

Flights From Seattle

To Seoul

Cheap Flights from Seattle to Seoul

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Deals from

Seattle

RatePunk searches hundreds of travel sites at once for deals on flights to Seoul

Prices updated 2 days ago

405 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

Today’s best flight deals from Seattle to Seoul

Explore current cheapest deals departing from Seattle to Seoul

2026-09-15 – 2026-09-29
SEA - Seoul
77% AI deal score
$599
$779
Round trip
2026-09-23 – 2026-09-30
SEA - Seoul
77% AI deal score
$622
$779
Round trip
2026-10-13 – 2026-10-28
SEA - Seoul
78% AI deal score
$741
$784
Round trip
2026-10-13 – 2026-10-25
SEA - Seoul
78% AI deal score
$744
$790
Round trip
2026-09-01 – 2026-09-22
SEA - Seoul
77% AI deal score
$578
$796
Round trip
2026-09-02 – 2026-09-23
SEA - Seoul
77% AI deal score
$578
$796
Round trip
2026-09-01 – 2026-09-13
SEA - Seoul
77% AI deal score
$587
$796
Round trip
2026-09-22 – 2026-09-29
SEA - Seoul
77% AI deal score
$622
$796
Round trip
2026-10-13 – 2026-10-27
SEA - Seoul
78% AI deal score
$746
$796
Round trip
2026-10-13 – 2026-10-18
SEA - Seoul
78% AI deal score
$784
$796
Round trip

Seattle to Seoul: Overview

Insights for flights from Seattle to Seoul

A typical journey from Seattle to Seoul takes about 27h 55m, including connections. Given that most itineraries on this route involve at least one stopover, this median duration reflects the time spent in transit and during layovers. Most itineraries connect at least once, with the majority of connecting flights typically involving 2 stopovers.

For those seeking cheap flights from Seattle to Seoul, right now fares are below the typical level. Prices for this route typically range from $837–$1581, with a median of $1244. Currently, about 8% of recent fares are classified as a good price, indicating that favorable deals are available.

When is the cheapest time to fly from Seattle to Seoul? The data indicates that the most affordable months to fly are April, with a median fare of $603; March, with a median of $643; and November, with a median fare of $657. Planning your trip during these months could result in significant savings.

The route from Seattle to Seoul covers a substantial distance of 8373 kilometers, classifying it as a long-haul journey. This considerable distance contributes to the overall flight duration, especially when accounting for connecting itineraries. New deals for this long-haul route appear almost daily, suggesting frequent opportunities to find competitive fares.

How much is a round trip from Seattle to Seoul

Regular price: $527 - $1,287

Prices for flights from Seattle to Seoul are currently within the regular range.

The regular price range for flights from Seattle to Seoul is between $527 and $1287. The current lowest deal is $772 with Cathay Pacific, for travel from Sep 14-Sep 22.

now $772

Low $527

High $1,287

The cheapest time to fly from Seattle to Seoul

The cheapest month to fly from Seattle to Seoul is April, with a median price of $603. The most expensive month is July, with a median price of $1540. Prices are generally lower from January to December.

April

Cheapest

Flights from $603

July

Most Expensive

Flights from $1,540

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Seattle to Seoul

Asiana Airlines

Last-minute flights going from Seattle to Seoul

Wed, Aug 5

⌛ Last-Minute

SEA - Seoul

Seattle (SEA) - Seoul (ICN)

Cathay Pacific

$967

$917

One-way

Wed, Aug 5

⌛ Last-Minute

SEA - Seoul

Seattle (SEA) - Seoul (ICN)

Cathay Pacific

$970

$917

One-way

Mon, Aug 10

⌛ Last-Minute

SEA - Seoul

Seattle (SEA) - Seoul (ICN)

Cathay Pacific

$847

$807

One-way

Tue, Aug 11

⌛ Last-Minute

SEA - Seoul

Seattle (SEA) - Seoul (ICN)

Cathay Pacific

$876

$853

One-way

Tue, Aug 11

⌛ Last-Minute

SEA - Seoul

Seattle (SEA) - Seoul (ICN)

Cathay Pacific

$864

$893

One-way

Tue, Aug 11

⌛ Last-Minute

SEA - Seoul

Seattle (SEA) - Seoul (ICN)

Cathay Pacific

$869

$893

One-way

Biggest price drops on these dates for flights from Seattle to Seoul

7 nights

Jan 13 - Jan 20

$916 → $791

14%

5 nights

Aug 24 - Aug 29

$946 → $831

12%

5 nights

Aug 20 - Aug 25

$946 → $835

12%

15 nights

Jan 11 - Jan 26

$902 → $794

12%

Popular Airports to fly from Seattle to Seoul

Seattle - Seoul route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Seattle to Seoul are below the typical level for the route.

📅 Best time to fly

Fly in April for prices around $603

Historically, April is the cheapest month to fly from Seattle to Seoul, with a median price of $603.

⏱️ Flight duration

Median flight time is 27h 55m

The median flight time for connecting flights from Seattle to Seoul is 27h 55m.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights make up 77.8% of available options from Seattle to Seoul.

🏆 Airline highlight

Asiana Airlines offers direct flights

Asiana Airlines is one of the carriers offering direct flights on the Seattle to Seoul route.

🎯 Booking tip

Deals appear frequently

Deals from Seattle to Seoul appear frequently, offering many opportunities to find a good price.

Seattle main airports to depart from

Seattle–Tacoma International (SEA)

Cheapest

Seattle–Tacoma International is a convenient option for flights from Seattle to Seoul.

📍 ~20 km from Seattle city center (reachable by car or train).

💸 Flights from ~$872

Boeing Field (BFI)

Boeing Field offers an alternative departure point for your journey to Seoul.

📍 ~10 km from Seattle city center (reachable by car).

💸 Flights from ~$1379

Kenmore Air Harbor Seaplane Base (LKE)

Kenmore Air Harbor Seaplane Base provides another departure choice for flights to Seoul.

📍 ~5 km from Seattle city center (reachable by car).

💸 Flights from ~$1060

Seoul main airports to arrive at

Incheon International (ICN)

Cheapest

Incheon International Airport is a major hub for flights to Seoul, offering competitive prices from Seattle.

📍 ~50 km from Seoul city center (reachable by public transport or car)

💸 Flights from ~$872

Airports nearby Seoul used as alternative

Cheongju International (CJJ)

Cheongju International Airport is a useful alternative, offering international routes as a low-cost carrier hub.

📍 ~110 km from Seoul (reachable by bus and rail)

💸 Flights from ~$940

Business & First Class Flight Deals to Seoul

81% AI deal score

$4,315

$3,819

Save $496

Frequently Asked Questions About Flights to Seoul

Historically, the optimal time to purchase flights from Seattle to Seoul has been within 0-6 days of departure. During this period, the average price was $789. Prices tend to increase further out, with flights booked 28-59 days in advance averaging $1562. Even booking 7-13 days out typically saw an average price of $1132, indicating that last-minute bookings can offer better value for this route.

Across the trailing quarter, a good price for a flight from Seattle to Seoul was considered to be $837 or less. The median price for this route was $1244. Prices can go higher, with 75% of fares being $1581 or less. Travelers aiming for a budget-friendly trip should target fares around the $837 mark.

Historically, April has offered the cheapest flights from Seattle to Seoul, with a median price of $603. March also presented good value, with a median price of $643. The annual median price for this route is $1244, indicating that these months offer significant savings. Travelers looking for lower fares should consider flying during these periods.

Related routes

More routes from Seattle

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Flights to Seoul from other cities

Flights from Ho Chi Minh City to Seoul Flights from Santa Ana to Seoul Flights from Sapporo to Seoul Flights from Shanghai to Seoul Flights from Shenzhen to Seoul Flights from Shimojishima to Seoul Flights from Singapore to Seoul Flights from St. Louis to Seoul Flights from Surat to Seoul Flights from Sydney to Seoul Flights from Syracuse to Seoul Flights from Xi'an to Seoul

Seattle to Seoul: Overview

Insights for flights from Seattle to Seoul

How much is a round trip from Seattle to Seoul

Regular price: $527 - $1,287

Prices for flights from Seattle to Seoul are currently within the regular range.

The regular price range for flights from Seattle to Seoul is between $527 and $1287. The current lowest deal is $772 with Cathay Pacific, for travel from Sep 14-Sep 22.

now $772

Low $527

High $1,287

The cheapest time to fly from Seattle to Seoul

April

Cheapest

Flights from $603

July

Most Expensive

Flights from $1,540

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec