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 indicates that while direct options are available, a significant portion of routes involve at least one connection.

What's the flight time from Seattle to Seoul?

The typical direct flight from Seattle to Seoul has a duration of 11 hours and 55 minutes, covering a distance of 8373 kilometers. Flights with one stop, on average, take considerably longer, with a median duration of 19 hours and 5 minutes. This represents a difference of over 7 hours compared to direct routes.

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 with consistent deal availability. Travelers often find opportunities for favorable fares when planning their trips.

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 today

462 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Sep 15, 2026.)

Today’s best flight deals from Seattle to Seoul

Explore current cheapest deals departing from Seattle to Seoul

2027-02-03 – 2027-02-09
SEA - Seoul
78% AI deal score
$765
$810
Round trip
2027-02-10 – 2027-02-24
SEA - Seoul
78% AI deal score
$772
$810
Round trip
2027-02-10 – 2027-02-23
SEA - Seoul
78% AI deal score
$771
$810
Round trip
2027-02-01 – 2027-02-08
SEA - Seoul
78% AI deal score
$763
$811
Round trip
2027-03-08 – 2027-03-18
SEA - Seoul
81% AI deal score
$863
$811
Round trip
2026-09-16 – 2026-09-23
SEA - Seoul
77% AI deal score
$675
$812
Round trip
2027-03-11 – 2027-03-22
SEA - Seoul
82% AI deal score
$886
$812
Round trip
2026-09-21 – 2026-09-29
SEA - Seoul
77% AI deal score
$635
$813
Round trip
2027-02-02 – 2027-02-23
SEA - Seoul
78% AI deal score
$769
$813
Round trip
2027-03-17 – 2027-03-23
SEA - Seoul
84% AI deal score
$948
$813
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 long-haul route involve at least one stop, this duration accounts for the total travel time from departure to arrival. The overall distance covered for flights from Seattle to Seoul is approximately 8,373 kilometers, classifying it as a long-haul route.

Right now, if you are looking for cheap flights from Seattle to Seoul, fares are below the typical level. Prices for this route typically range from $837–$1,581, with a median of $1,244. Currently, only 8% of recent fares are classified as a good price, indicating that while current prices are lower than usual, finding a significantly discounted fare might still require some flexibility.

The cheapest time to fly from Seattle to Seoul is during April, with a median fare of $603. Following closely, March also offers competitive prices, with a median of $643. Another favorable month for lower fares is November, where the median price is $657. New deals for this route appear almost daily, so setting up a price alert can help you secure a good fare.

When flying from Seattle to Seoul, most itineraries connect at least once, with only 22.2% of recent fares being direct flights. For connecting itineraries, the typical number of stopovers is two. This means that while direct flights from Seattle to Seoul are available, you are more likely to find options that include one or more connections to reach your destination.

How much is a round trip from Seattle to Seoul

Regular price: $668 - $1,532

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

Regular prices for flights from Seattle to Seoul typically range from $668 to $1532. The current lowest deal is $810 with Cathay Pacific, for travel from Feb 3-Feb 9.

now $810

Low $668

High $1,532

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

Korean Air

Last-minute flights going from Seattle to Seoul

Tue, Sep 15

⌛ Last-Minute

SEA - Seoul

Seattle (SEA) - Seoul (ICN)

Cathay Pacific

$632

$818

One-way

Tue, Sep 15

⌛ Last-Minute

SEA - Seoul

Seattle (SEA) - Seoul (ICN)

Cathay Pacific

$675

$859

One-way

Wed, Sep 16

⌛ Last-Minute

SEA - Seoul

Seattle (SEA) - Seoul (ICN)

Cathay Pacific

$675

$812

One-way

Wed, Sep 16

⌛ Last-Minute

SEA - Seoul

Seattle (SEA) - Seoul (ICN)

Cathay Pacific

$632

$855

One-way

Wed, Sep 16

⌛ Last-Minute

SEA - Seoul

Seattle (SEA) - Seoul (ICN)

Air Canada

$633

$919

One-way

Thu, Sep 17

⌛ Last-Minute

SEA - Seoul

Seattle (SEA) - Seoul (ICN)

Cathay Pacific

$628

$818

One-way

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

7 nights

Oct 23 - Oct 30

$982 → $902

5 nights

Oct 22 - Oct 27

$772 → $818

7 nights

Oct 20 - Oct 27

$752 → $818

7 nights

Oct 19 - Oct 26

$752 → $819

Popular Airports to fly from Seattle to Seoul

Seattle - Seoul route insights

💸 Price insights

Recent fares are below the typical level

Recent fares for Seattle to Seoul are below the typical level, with a median price of $1244.

📅 Best time to fly

Fly in April for prices around $603

Historically, April, March, and November offer the lowest median prices for this route.

⏱️ Flight duration

Expect flights to take 27h 55m

The median flight duration for Seattle to Seoul is 27 hours and 55 minutes.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights make up 77.8% of recent fares, typically with 2 stopovers.

🏆 Airline highlight

Korean Air offers direct flights

Korean Air is one airline with direct flights available on the Seattle to Seoul route.

🎯 Booking tip

Deals are frequent for this route

Deals for flights from Seattle to Seoul are frequent, appearing 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 ~$797

Boeing Field (BFI)

Boeing Field is an alternative departure airport for your trip from Seattle to Seoul.

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

💸 Flights from ~$1,298

Kenmore Air Harbor Seaplane Base (LKE)

Kenmore Air Harbor Seaplane Base offers another departure point for flights from Seattle to Seoul.

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

💸 Flights from ~$1,819

Seoul main airports to arrive at

Incheon International (ICN)

Cheapest

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

📍 ~48 km from city center (reachable by car, train, and bus)

💸 Flights from ~$796

Airports nearby Seoul used as alternative

Cheongju International (CJJ)

Cheongju International is a useful alternative, especially for regional international routes, despite fewer long-haul options.

📍 ~105 km from Seoul (reachable by bus and rail)

💸 Flights from ~$1,036

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

Nov 21

Seoul, South Korea

91% AI deal score

$5,367

$3,826

Save $1,541

Alaska Airlines, Inc., +1

Business Class

From SEA

Elite

Nov 14

Seoul, South Korea

91% AI deal score

$5,331

$3,826

Save $1,505

Alaska Airlines, Inc., +1

Business Class

From SEA

Elite

Nov 07

Seoul, South Korea

91% AI deal score

$5,278

$3,871

Save $1,407

Alaska Airlines, Inc., +1

Business Class

From SEA

Elite

Nov 03

Seoul, South Korea

90% AI deal score

$4,993

$3,798

Save $1,195

Alaska Airlines, Inc., +1

Business Class

From SEA

Elite

Nov 07

Seoul, South Korea

90% AI deal score

$5,066

$3,803

Save $1,263

Alaska Airlines, Inc., +1

Business Class

From SEA

Elite

Nov 12

Seoul, South Korea

90% AI deal score

$5,156

$3,803

Save $1,353

Alaska Airlines, Inc., +1

Business Class

From SEA

Elite

Nov 10

Seoul, South Korea

90% AI deal score

$5,124

$3,803

Save $1,321

Alaska Airlines, Inc., +1

Business Class

From SEA

Elite

Nov 08

Seoul, South Korea

90% AI deal score

$5,072

$3,803

Save $1,269

Alaska Airlines, Inc., +1

Business Class

From SEA

Elite

Nov 05

Seoul, South Korea

90% AI deal score

$5,039

$3,803

Save $1,236

Alaska Airlines, Inc., +1

Business Class

From SEA

Elite

Nov 15

Seoul, South Korea

90% AI deal score

$5,126

$3,803

Save $1,323

Alaska Airlines, Inc., +1

Business Class

From SEA

Elite

Nov 08

Seoul, South Korea

90% AI deal score

$4,984

$3,803

Save $1,181

Alaska Airlines, Inc., +1

Business Class

From SEA

Elite

Nov 05

Seoul, South Korea

90% AI deal score

$4,920

$3,803

Save $1,117

Alaska Airlines, Inc., +1

Business Class

Frequently Asked Questions About Flights to Seoul

Historically, the optimal time to purchase tickets for 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 as the departure date approaches, with flights booked 28-59 days out averaging $1562. Even booking 60+ days in advance typically resulted in a higher average price of $1306 compared to the last-minute window.

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 over the same 90-day period was $1244. Prices can range significantly, with 75% of fares being $1581 or less.

Historically, April has shown the cheapest flights from Seattle to Seoul, with a median price of $603. March also offered competitive fares, with a median price of $643. In contrast, the annual median price for this route across the trailing 270 days was $1244, indicating significant savings during these months.

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: $668 - $1,532

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

Regular prices for flights from Seattle to Seoul typically range from $668 to $1532. The current lowest deal is $810 with Cathay Pacific, for travel from Feb 3-Feb 9.

now $810

Low $668

High $1,532

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

Direct flights from Seattle to Seoul

Korean Air

Last-minute flights going from Seattle to Seoul

Tue, Sep 15

⌛ Last-Minute

SEA - Seoul

Seattle (SEA) - Seoul (ICN)

Cathay Pacific

$632

$818

One-way

Tue, Sep 15

⌛ Last-Minute

SEA - Seoul

Seattle (SEA) - Seoul (ICN)

Cathay Pacific

$675

$859

One-way

Wed, Sep 16

⌛ Last-Minute

SEA - Seoul

Seattle (SEA) - Seoul (ICN)

Cathay Pacific

$675

$812

One-way

Wed, Sep 16

⌛ Last-Minute

SEA - Seoul

Seattle (SEA) - Seoul (ICN)

Cathay Pacific

$632

$855

One-way

Wed, Sep 16

⌛ Last-Minute

SEA - Seoul

Seattle (SEA) - Seoul (ICN)

Air Canada

$633

$919

One-way

Thu, Sep 17

⌛ Last-Minute

SEA - Seoul

Seattle (SEA) - Seoul (ICN)

Cathay Pacific

$628

$818

One-way

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

7 nights

Oct 23 - Oct 30

$982 → $902

5 nights

Oct 22 - Oct 27

$772 → $818

7 nights

Oct 20 - Oct 27

$752 → $818

7 nights

Oct 19 - Oct 26

$752 → $819

Popular Airports to fly from Seattle to Seoul

Seattle - Seoul route insights

💸 Price insights

Recent fares are below the typical level

Recent fares for Seattle to Seoul are below the typical level, with a median price of $1244.

📅 Best time to fly

Fly in April for prices around $603

Historically, April, March, and November offer the lowest median prices for this route.

⏱️ Flight duration

Expect flights to take 27h 55m

The median flight duration for Seattle to Seoul is 27 hours and 55 minutes.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights make up 77.8% of recent fares, typically with 2 stopovers.

🏆 Airline highlight

Korean Air offers direct flights

Korean Air is one airline with direct flights available on the Seattle to Seoul route.

🎯 Booking tip

Deals are frequent for this route

Deals for flights from Seattle to Seoul are frequent, appearing 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 ~$797

Boeing Field (BFI)

Boeing Field is an alternative departure airport for your trip from Seattle to Seoul.

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

💸 Flights from ~$1,298

Kenmore Air Harbor Seaplane Base (LKE)

Kenmore Air Harbor Seaplane Base offers another departure point for flights from Seattle to Seoul.

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

💸 Flights from ~$1,819

Seoul main airports to arrive at

Incheon International (ICN)

Cheapest

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

📍 ~48 km from city center (reachable by car, train, and bus)

💸 Flights from ~$796

Airports nearby Seoul used as alternative

Cheongju International (CJJ)

Cheongju International is a useful alternative, especially for regional international routes, despite fewer long-haul options.

Seoul, South Korea

90% AI deal score

$4,920

$3,803

Save $1,117

Alaska Airlines, Inc., +1

Business Class

Frequently Asked Questions About Flights to Seoul

Cheap Flights from Seattle to Seoul

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 are below the typical level

Fly in April for prices around $603

Expect flights to take 27h 55m

Connecting flights are dominant

Korean Air offers direct flights

Deals are frequent for 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

Nov 21

Nov 14

Nov 07

Nov 03

Nov 07

Nov 12

Nov 10

Nov 08

Nov 05

Nov 15

Nov 08

Nov 05

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?

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

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 are below the typical level

Fly in April for prices around $603

Expect flights to take 27h 55m

Connecting flights are dominant

Korean Air offers direct flights

Deals are frequent for 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

Nov 21

Nov 14

Nov 07

Nov 03

Nov 07

Nov 12

Nov 10

Nov 08

Nov 05

Nov 15

Nov 08

Nov 05

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?