What percentage of Seattle to Seoul flights are direct?

In the trailing 90 days, approximately 6.9% of flights from Seattle to Seoul were direct. For travelers opting for connecting flights, the median number of stopovers was typically 2. This suggests that the majority of routes between these two cities involve at least one stop.

What's the flight time from Seattle to Seoul?

The typical direct flight time from Seattle to Seoul is approximately 11 hours and 50 minutes. This corresponds to a median duration of 710 minutes. For flights with one stop, the median duration historically extends to about 21 hours and 46 minutes, or 1306 minutes. The distance between the two cities is 8373 kilometers.

How much do direct flights from Seattle to Seoul cost compared to connecting flights?

Historically, direct flights from Seattle to Seoul have been about 4% more expensive than connecting flights. The median price for a direct flight was $1423, while connecting flights had a median price of $1373. Direct flights constituted approximately 6.2% of the total observed flights on this route over the trailing 90 days.

Flights From Seattle

To Seoul

Seattle to Seoul Flights — [2026]

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Prices updated 7 days ago

483 airlines compared

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

Today’s best flight deals from Seattle to Seoul

Explore current cheapest deals departing from Seattle to Seoul

2026-11-26 – 2026-12-23
SEA - Seoul
77% AI deal score
$614
$844
Round trip
2026-11-16 – 2026-12-08
SEA - Seoul
77% AI deal score
$613
$848
Round trip
2026-11-10 – 2026-12-10
SEA - Seoul
77% AI deal score
$616
$848
Round trip
2026-11-26 – 2026-12-01
SEA - Seoul
77% AI deal score
$665
$848
Round trip
2026-11-09 – 2026-11-24
SEA - Seoul
77% AI deal score
$625
$848
Round trip
2027-01-18 – 2027-02-01
SEA - Seoul
78% AI deal score
$772
$851
Round trip
2026-11-30 – 2026-12-14
SEA - Seoul
77% AI deal score
$625
$851
Round trip
2026-11-30 – 2026-12-06
SEA - Seoul
77% AI deal score
$646
$851
Round trip
2026-10-29 – 2026-11-16
SEA - Seoul
77% AI deal score
$736
$864
Round trip
2027-01-27 – 2027-02-11
SEA - Seoul
76% AI deal score
$772
$874
Round trip

Seattle to Seoul: Overview

Insights for flights from Seattle to Seoul

A typical journey from Seattle to Seoul takes about 11h 50m including connections. Given that most itineraries on this long-haul route involve at least one stop, this duration accounts for the total travel time from departure to arrival. For connecting flights, the median journey time extends to 27h 31m, while direct flights from Seattle to Seoul, though less common, also average 11h 50m.

For those seeking cheap flights from Seattle to Seoul, the fares right now are below the typical level for this route. Prices typically range from $1135–$1779, with a median of $1369. Currently, new deals appear almost daily, offering frequent opportunities to find favorable prices.

When is the cheapest time to fly from Seattle to Seoul? You'll find the most affordable fares in July, with a median price of $937. May also presents a good option, with median fares around $967. Another relatively cheaper month is September, where the median fare is $1219.

Most itineraries for flights from Seattle to Seoul connect at least once, with only 6.9% of recent fares being non-stop. For the majority of connecting itineraries, travelers can expect to make 2 stopovers. This indicates that while direct options exist, planning for connections is generally necessary for this route.

The distance between Seattle and Seoul is approximately 8373 kilometers, classifying this as a long-haul journey. This substantial distance contributes to the extended flight times and the prevalence of connecting itineraries.

How much is a round trip from Seattle to Seoul

Regular price: $667 - $1,520

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 $667 and $1520. The current lowest deal is $804 with Cathay Pacific, for travel from Jan 12-Jan 26.

now $804

Low $667

High $1,520

The cheapest time to fly from Seattle to Seoul

The cheapest month to fly from Seattle to Seoul is July, with a median price of $900. The most expensive month is June, with a median price of $1822. Prices are generally lower from January to November.

July

Cheapest

Flights from $900

June

Most Expensive

Flights from $1,822

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Seattle to Seoul

Korean Air

Last-minute flights going from Seattle to Seoul

Tue, Oct 27

⌛ Last-Minute

SEA - Seoul

Seattle (SEA) - Seoul (ICN)

Hainan Airlines

$957

$1,115

One-way

Thu, Oct 29

⌛ Last-Minute

SEA - Seoul

Seattle (SEA) - Seoul (ICN)

Cathay Pacific

$736

$864

One-way

Wed, Nov 4

⌛ Last-Minute

SEA - Seoul

Seattle (SEA) - Seoul (ICN)

Turkish Airlines

$641

$1,293

One-way

Wed, Nov 4

⌛ Last-Minute

SEA - Seoul

Seattle (SEA) - Seoul (ICN)

Turkish Airlines

$636

$1,293

One-way

Mon, Nov 9

⌛ Last-Minute

SEA - Seoul

Seattle (SEA) - Seoul (ICN)

Cathay Pacific

$625

$848

One-way

Mon, Nov 9

⌛ Last-Minute

SEA - Seoul

Seattle (SEA) - Seoul (ICN)

Korean Air

$590

$883

One-way

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

14 nights

Jan 17 - Jan 31

$757 → $807

6 nights

Dec 3 - Dec 9

$817 → $880

7 nights

Nov 11 - Nov 18

$673 → $834

24%

7 nights

Nov 5 - Nov 12

$686 → $867

26%

Popular Airports to fly from Seattle to Seoul

Seattle - Seoul route insights

💸 Price insights

Recent fares below the typical level

Recent fares for Seattle to Seoul are below the typical level, with a median price of $1369.

📅 Best time to fly

Fly in July for the best prices

Historically, July offers the lowest median prices at $937, followed by May at $967.

⏱️ Flight duration

Direct flights take 11h 50m

The median flight time for direct flights is 11h 50m, while connecting flights average 27h 31m.

✈️ Airlines & availability

Connecting flights are dominant

Only 6.9% of recent flights are direct, with connecting routes typically having 2 stopovers.

🏆 Airline highlight

Korean Air offers direct flights

Korean Air is one of the airlines providing direct flight options on this route.

🎯 Booking tip

Deals are frequent on this route

Deals for flights from Seattle to Seoul are frequent, appearing often within a 30-day window.

Seattle main airports to depart from

Seattle–Tacoma International (SEA)

Cheapest

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

📍 ~18 km from Seattle city center (reachable by car or train).

💸 Flights from ~$809

Boeing Field (BFI)

Boeing Field offers another departure point for travelers flying from Seattle to Seoul.

📍 ~9 km from Seattle city center (reachable by car).

💸 Flights from ~$1,357

Kenmore Air Harbor Seaplane Base (LKE)

Kenmore Air Harbor Seaplane Base provides an alternative departure for flights from Seattle to Seoul.

📍 ~3 km from Seattle city center (reachable by car).

💸 Flights from ~$809

Seoul main airports to arrive at

Incheon International (ICN)

Cheapest

Incheon International Airport is a good option for flights from Seattle to Seoul.

📍 ~48 km from Seoul (reachable by car)

💸 Flights from ~$809

Airports nearby Seoul used as alternative

Cheongju International (CJJ)

Cheongju International is a useful alternative, offering regional international routes and good connectivity to Seoul.

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

💸 Flights from ~$1,024

Business & First Class Flight Deals to Seoul

Discover luxury on the budget with premium cabin class on flights from Seattle to Seoul.

Elite

Best Elite deals to Seoul

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From SEA

Elite

Dec 30

Seoul, South Korea

93% AI deal score

$5,909

$3,795

Save $2,114

All Nippon Airways

Business Class

From SEA

Elite

Dec 01

Seoul, South Korea

92% AI deal score

$5,611

$3,760

Save $1,851

All Nippon Airways

Business Class

From SEA

Elite

Jan 21

Seoul, South Korea

91% AI deal score

$4,687

$3,744

Save $943

All Nippon Airways

Business Class

From SEA

Elite

Jan 21

Seoul, South Korea

91% AI deal score

$4,783

$3,744

Save $1,039

All Nippon Airways

Business Class

From SEA

Elite

Jan 21

Seoul, South Korea

91% AI deal score

$4,891

$3,744

Save $1,147

All Nippon Airways

Business Class

From SEA

Elite

Feb 01

Seoul, South Korea

90% AI deal score

$4,672

$3,744

Save $928

All Nippon Airways

Business Class

From SEA

Elite

Feb 16

Seoul, South Korea

90% AI deal score

$4,669

$3,759

Save $910

All Nippon Airways

Business Class

From SEA

Elite

Jan 04

Seoul, South Korea

90% AI deal score

$4,728

$3,829

Save $899

All Nippon Airways

Business Class

From SEA

Elite

Dec 29

Seoul, South Korea

89% AI deal score

$4,979

$3,975

Save $1,004

Alaska Airlines, Inc., +1

Business Class

From SEA

Elite

Feb 28

Seoul, South Korea

89% AI deal score

$4,871

$4,042

Save $829

All Nippon Airways

Business Class

From SEA

Elite

Nov 17

Seoul, South Korea

89% AI deal score

$5,030

$4,118

Save $912

Alaska Airlines, Inc., +1

Business Class

From SEA

Elite

Nov 21

Seoul, South Korea

89% AI deal score

$5,179

$4,141

Save $1,038

Air Canada, +1

Business Class

Frequently Asked Questions About Flights to Seoul

Historically, the optimal booking window for flights from Seattle to Seoul is typically between 28 and 59 days prior to departure. During this period, the average price observed was $1375. Booking within 0-6 days of departure generally saw prices around $1717, while waiting until 7-13 days before departure resulted in an average price of $1519. Prices for bookings made 60+ days out were typically around $1638.

Across the trailing quarter, a good price for a flight from Seattle to Seoul was considered to be $1135 or less. The median price for this route historically stood at $1369. Fares at the 75th percentile were around $1779, indicating higher prices. These figures are based on observations over a 90-day period.

Historically, July and May have offered the cheapest flights from Seattle to Seoul, with median prices of $937 and $967 respectively. September also presented a relatively lower median price of $1219. The annual median price for this route was $1369, indicating that these months typically offer savings compared to the yearly average.

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: $667 - $1,520

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 $667 and $1520. The current lowest deal is $804 with Cathay Pacific, for travel from Jan 12-Jan 26.

now $804

Low $667

High $1,520

The cheapest time to fly from Seattle to Seoul

July

Cheapest

Flights from $900

June

Most Expensive

Flights from $1,822

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Seattle to Seoul

Korean Air

Last-minute flights going from Seattle to Seoul

Tue, Oct 27

⌛ Last-Minute

SEA - Seoul

Seattle (SEA) - Seoul (ICN)

Hainan Airlines

$957

$1,115

One-way

Thu, Oct 29

⌛ Last-Minute

SEA - Seoul

Seattle (SEA) - Seoul (ICN)

Cathay Pacific

$736

$864

One-way

Wed, Nov 4

⌛ Last-Minute

SEA - Seoul

Seattle (SEA) - Seoul (ICN)

Turkish Airlines

$641

$1,293

One-way

Wed, Nov 4

⌛ Last-Minute

SEA - Seoul

Seattle (SEA) - Seoul (ICN)

Turkish Airlines

$636

$1,293

One-way

Mon, Nov 9

⌛ Last-Minute

SEA - Seoul

Seattle (SEA) - Seoul (ICN)

Cathay Pacific

$625

$848

One-way

Mon, Nov 9

⌛ Last-Minute

SEA - Seoul

Seattle (SEA) - Seoul (ICN)

Korean Air

$590

$883

One-way

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

14 nights

Jan 17 - Jan 31

$757 → $807

6 nights

Dec 3 - Dec 9

$817 → $880

7 nights

Nov 11 - Nov 18

$673 → $834

24%

7 nights

Nov 5 - Nov 12

$686 → $867

26%

Popular Airports to fly from Seattle to Seoul

Seattle - Seoul route insights

💸 Price insights

Recent fares below the typical level

Recent fares for Seattle to Seoul are below the typical level, with a median price of $1369.

📅 Best time to fly

Fly in July for the best prices

Historically, July offers the lowest median prices at $937, followed by May at $967.

⏱️ Flight duration

Direct flights take 11h 50m

The median flight time for direct flights is 11h 50m, while connecting flights average 27h 31m.

✈️ Airlines & availability

Connecting flights are dominant

Only 6.9% of recent flights are direct, with connecting routes typically having 2 stopovers.

🏆 Airline highlight

Korean Air offers direct flights

Korean Air is one of the airlines providing direct flight options on this route.

🎯 Booking tip

Deals are frequent on this route

Deals for flights from Seattle to Seoul are frequent, appearing often within a 30-day window.

Seattle main airports to depart from

Seattle–Tacoma International (SEA)

Cheapest

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

📍 ~18 km from Seattle city center (reachable by car or train).

💸 Flights from ~$809

Boeing Field (BFI)

Boeing Field offers another departure point for travelers flying from Seattle to Seoul.

📍 ~9 km from Seattle city center (reachable by car).

💸 Flights from ~$1,357

Kenmore Air Harbor Seaplane Base (LKE)

Kenmore Air Harbor Seaplane Base provides an alternative departure for flights from Seattle to Seoul.

📍 ~3 km from Seattle city center (reachable by car).

💸 Flights from ~$809

Seoul main airports to arrive at

Incheon International (ICN)

Cheapest

Incheon International Airport is a good option for flights from Seattle to Seoul.

📍 ~48 km from Seoul (reachable by car)

💸 Flights from ~$809

Airports nearby Seoul used as alternative

Cheongju International (CJJ)

Cheongju International is a useful alternative, offering regional international routes and good connectivity to Seoul.

Seoul, South Korea

89% AI deal score

$5,179

$4,141

Save $1,038

Air Canada, +1

Business Class

Frequently Asked Questions About Flights to Seoul

Seattle to Seoul Flights — [2026]

Today’s best flight deals from Seattle to Seoul

Seattle to Seoul: Overview

Insights for flights from Seattle to Seoul

How much is a round trip from Seattle to Seoul

The cheapest time to fly from Seattle to Seoul

Direct flights from Seattle to Seoul

Last-minute flights going from Seattle to Seoul

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

Popular Airports to fly from Seattle to Seoul

Seattle - Seoul route insights

Recent fares below the typical level

Fly in July for the best prices

Direct flights take 11h 50m

Connecting flights are dominant

Korean Air offers direct flights

Deals are frequent on this route

Seattle main airports to depart from

Seoul main airports to arrive at

Airports nearby Seoul used as alternative

Business & First Class Flight Deals to Seoul

Best Elite deals to Seoul

Dec 30

Dec 01

Jan 21

Jan 21

Jan 21

Feb 01

Feb 16

Jan 04

Dec 29

Feb 28

Nov 17

Nov 21

Frequently Asked Questions About Flights to Seoul

When should I buy Seattle to Seoul tickets?

What's a cheap fare from Seattle to Seoul?

Which months have the cheapest flights from Seattle to Seoul?

What percentage of Seattle to Seoul flights are direct?

What's the flight time from Seattle to Seoul?

How much do direct flights from Seattle to Seoul cost compared to connecting flights?

Related routes

More routes from Seattle

Flights to Seoul from other cities

Seattle to Seoul: Overview

Insights for flights from Seattle to Seoul

How much is a round trip from Seattle to Seoul

The cheapest time to fly from Seattle to Seoul

Direct flights from Seattle to Seoul

Last-minute flights going from Seattle to Seoul

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

Popular Airports to fly from Seattle to Seoul

Seattle - Seoul route insights

Recent fares below the typical level

Fly in July for the best prices

Direct flights take 11h 50m

Connecting flights are dominant

Korean Air offers direct flights

Deals are frequent on this route

Seattle main airports to depart from

Seoul main airports to arrive at

Airports nearby Seoul used as alternative

Business & First Class Flight Deals to Seoul

Best Elite deals to Seoul

Dec 30

Dec 01

Jan 21

Jan 21

Jan 21

Feb 01

Feb 16

Jan 04

Dec 29

Feb 28

Nov 17

Nov 21

Frequently Asked Questions About Flights to Seoul

When should I buy Seattle to Seoul tickets?

What's a cheap fare from Seattle to Seoul?

Which months have the cheapest flights from Seattle to Seoul?