FlightsFrom Seattle

To Seoul

Cheap Flights from Seattle to Seoul

Browse current best options from Seattle. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Seattle

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

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Seattle to Seoul

Explore current cheapest deals departing from Seattle to Seoul

September 15 - September 29

Cheapest

SEA - Seoul

$618

$872

Round trip

September 15 - September 30

SEA - Seoul

$615

$874

Round trip

August 20 - August 27

Best

SEA - Seoul

$906

$878

Round trip

August 26 - September 14

Best

SEA - Seoul

$885

$882

Round trip

August 29 - September 13

Best

SEA - Seoul

$886

$882

Round trip

August 12 - August 26

Earliest

SEA - Seoul

$877

$891

Round trip

August 17 - August 27

SEA - Seoul

$888

$903

Round trip

August 12 - August 20

Earliest

SEA - Seoul

$882

$903

Round trip

August 23 - August 27

SEA - Seoul

$938

$904

Round trip

August 20 - August 26

SEA - Seoul

$906

$905

Round trip

Unlock all 500+ flight deals to Seoul and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from Seattle to Seoul

A typical journey from Seattle to Seoul takes about 27h 55m, including connections. Given that most itineraries for this route involve at least one stop, this median duration reflects the time spent in transit as well as any layovers. This route is classified as a long-haul journey, covering a significant distance of 8373 km.
Right now, if you are looking for cheap flights from Seattle to Seoul, fares are typically $717–$1533, with a median of $1128. Current fares are above the typical level for this route. New deals appear almost daily, offering frequent opportunities for travelers to find suitable prices.
The cheapest time to fly from Seattle to Seoul is often in April, with a median fare of $603. Other cost-effective months include March, where the median fare is $643, and November, with a median fare of $657. These months present the lowest median prices for the route.
For flights from Seattle to Seoul, most itineraries connect at least once, with only 26.8% of recent fares being direct flights. When a connection is necessary, the typical number of stopovers is 2, indicating that many journeys on this route involve multiple legs.

How much is a round trip from Seattle to Seoul

Regular price: $547 - $1,252

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 $547 and $1252. The current lowest deal is $872 with Cathay Pacific, for travel from Sep 15-Sep 29.

now $872

Low $547

High $1,252

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

Airline logo

Asiana Airlines

Last-minute flights going from Seattle to Seoul

Sat, Jul 4

⌛ Last-Minute

SEA - Seoul

Air Canada

Seattle (SEA) - Seoul (ICN)

Air Canada

$909

$949

One-way

Sat, Jul 4

⌛ Last-Minute

SEA - Seoul

Air Canada

Seattle (SEA) - Seoul (ICN)

Air Canada

$836

$953

One-way

Sat, Jul 4

⌛ Last-Minute

SEA - Seoul

Air Canada

Seattle (SEA) - Seoul (ICN)

Air Canada

$850

$960

One-way

Sat, Jul 4

⌛ Last-Minute

SEA - Seoul

Air Canada

Seattle (SEA) - Seoul (ICN)

Air Canada

$855

$982

One-way

Sun, Jul 5

⌛ Last-Minute

SEA - Seoul

Air Canada

Seattle (SEA) - Seoul (ICN)

Air Canada

$909

$944

One-way

Mon, Jul 6

⌛ Last-Minute

SEA - Seoul

Korean Air

Seattle (SEA) - Seoul (ICN)

Korean Air

$822

$946

One-way

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

4 nights

Aug 23 - Aug 27

$938  →  $904

4%

7 nights

Aug 20 - Aug 27

$906  →  $878

3%

15 nights

Aug 29 - Sep 13

$886  →  $882

0%

19 nights

Aug 26 - Sep 14

$885  →  $882

0%

Popular Airports to fly from Seattle to Seoul

Seattle - Seoul route insights

💸 Price insights

Recent fares are above the typical level

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

📅 Best time to fly

April is historically cheapest at $603

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

⏱️ Flight duration

Flights typically take 27h 55m

Flights from Seattle to Seoul typically take 27 hours and 55 minutes, including layovers.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights make up 73.2% of deals. Direct flights are available from Asiana Airlines.

🏆 Airline highlight

Asiana Airlines offers direct flights

Asiana Airlines provides direct flight options for the Seattle to Seoul route.

🎯 Booking tip

Deals are frequent for this route

Historically, deals for flights from Seattle to Seoul are frequent, with over one deal per day.

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

Gimpo International (GMP)

Gimpo International Airport serves Seoul and is a convenient arrival option from Seattle.

📍 ~20 km from Seoul city center (reachable by public transport or car)

💸 Flights from ~$971

Airports nearby Seoul used as alternative

Cheongju International (CJJ)

Cheongju International is a practical alternative due to its proximity and international status.

📍 ~135 km from Seoul (reachable by express bus and rail services)

💸 Flights from ~$1052

Gimhae International (PUS)

Cheapest

Gimhae International is an excellent secondary choice thanks to high-speed rail connectivity.

📍 ~330 km from Seoul (reachable by KTX high-speed rail)

💸 Flights from ~$951

Daegu International (TAE)

Daegu International is an excellent secondary choice thanks to high-speed rail connectivity.

📍 ~235 km from Seoul (reachable by high-speed rail)

💸 Flights from ~$1045

Wonju (WJU)

Wonju is geographically the closest candidate airport to Seoul, useful for specific domestic connections.

📍 ~85 km from Seoul

💸 Flights from ~$1153

Gwangju (KWJ)

Gwangju is a major regional airport with KTX connectivity, offering a domestic travel alternative.

📍 ~270 km from Seoul (reachable by KTX)

💸 Flights from ~$1085

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

Jul 17

Seoul, South Korea

83% AI deal score

$2,726

$2,350

Save $376

From SEA

Elite

Nov 12

Seoul, South Korea

83% AI deal score

$2,657

$2,399

Save $258

From SEA

Elite

Nov 10

Seoul, South Korea

83% AI deal score

$2,660

$2,399

Save $261

From SEA

Elite

Nov 03

Seoul, South Korea

83% AI deal score

$2,661

$2,399

Save $262

From SEA

Elite

Aug 15

Seoul, South Korea

82% AI deal score

$4,156

$3,663

Save $493

From SEA

Elite

Jul 25

Seoul, South Korea

82% AI deal score

$4,457

$3,819

Save $638

From SEA

Elite

Aug 06

Seoul, South Korea

82% AI deal score

$4,405

$3,887

Save $518

From SEA

Elite

Sep 26

Seoul, South Korea

82% AI deal score

$24,028

$20,987

Save $3,041

From SEA

Elite

Nov 09

Seoul, South Korea

82% AI deal score

$2,656

$2,399

Save $257

From SEA

Elite

Sep 09

Seoul, South Korea

81% AI deal score

$4,027

$3,718

Save $309

From SEA

Elite

Jul 21

Seoul, South Korea

81% AI deal score

$4,280

$3,804

Save $476

From SEA

Elite

Jul 13

Seoul, South Korea

81% AI deal score

$4,315

$3,819

Save $496

From SEA

Elite

Jul 11

Seoul, South Korea

81% AI deal score

$4,314

$3,819

Save $495

From SEA

Elite

Jul 06

Seoul, South Korea

81% AI deal score

$4,269

$3,819

Save $450

From SEA

Elite

Jul 29

Seoul, South Korea

81% AI deal score

$4,313

$3,841

Save $472

From SEA

Elite

Jul 21

Seoul, South Korea

81% AI deal score

$4,395

$3,845

Save $550

From SEA

Elite

Oct 21

Seoul, South Korea

81% AI deal score

$22,853

$20,868

Save $1,985

From SEA

Elite

Jul 23

Seoul, South Korea

81% AI deal score

$22,406

$21,083

Save $1,323

From SEA

Elite

Sep 03

Seoul, South Korea

81% AI deal score

$23,346

$21,127

Save $2,219

From SEA

Elite

Sep 04

Seoul, South Korea

80% AI deal score

$4,002

$3,706

Save $296

From SEA

Elite

Sep 05

Seoul, South Korea

80% AI deal score

$4,002

$3,747

Save $255

From SEA

Elite

Aug 06

Seoul, South Korea

80% AI deal score

$4,043

$3,757

Save $286

From SEA

Elite

Aug 15

Seoul, South Korea

80% AI deal score

$4,021

$3,790

Save $231

From SEA

Elite

Aug 06

Seoul, South Korea

80% AI deal score

$4,124

$3,823

Save $301

From SEA

Elite

Aug 26

Seoul, South Korea

80% AI deal score

$4,089

$3,824

Save $265

From SEA

Elite

Aug 29

Seoul, South Korea

80% AI deal score

$4,146

$3,832

Save $314

From SEA

Elite

Jul 19

Seoul, South Korea

80% AI deal score

$4,262

$3,851

Save $411

From SEA

Elite

Jul 19

Seoul, South Korea

80% AI deal score

$4,273

$3,877

Save $396

From SEA

Elite

Aug 19

Seoul, South Korea

80% AI deal score

$4,204

$3,950

Save $254

From SEA

Elite

Jul 31

Seoul, South Korea

80% AI deal score

$22,158

$21,080

Save $1,078

From SEA

Elite

Jun 24

Seoul, South Korea

80% AI deal score

$23,113

$22,146

Save $967

From SEA

Elite

Jul 17

Seoul, South Korea

80% AI deal score

$2,571

$2,380

Save $191

From SEA

Elite

Oct 08

Seoul, South Korea

80% AI deal score

$2,572

$2,399

Save $173

From SEA

Elite

Jul 21

Seoul, South Korea

80% AI deal score

$2,581

$2,399

Save $182

From SEA

Elite

Sep 05

Seoul, South Korea

79% AI deal score

$3,995

$3,801

Save $194

From SEA

Elite

Sep 04

Seoul, South Korea

79% AI deal score

$4,002

$3,823

Save $179

From SEA

Elite

Sep 06

Seoul, South Korea

79% AI deal score

$4,003

$3,824

Save $179

From SEA

Elite

Sep 05

Seoul, South Korea

79% AI deal score

$4,003

$3,834

Save $169

From SEA

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Aug 03

Seoul, South Korea

79% AI deal score

$4,005

$3,841

Save $164

From SEA

Elite

Aug 26

Seoul, South Korea

79% AI deal score

$4,131

$3,942

Save $189

From SEA

Elite

Aug 29

Seoul, South Korea

79% AI deal score

$4,185

$3,950

Save $235

From SEA

Elite

Sep 23

Seoul, South Korea

79% AI deal score

$21,584

$20,868

Save $716

From SEA

Elite

Sep 23

Seoul, South Korea

79% AI deal score

$21,584

$20,868

Save $716

From SEA

Elite

Sep 30

Seoul, South Korea

79% AI deal score

$21,576

$20,868

Save $708

From SEA

Elite

Jul 30

Seoul, South Korea

79% AI deal score

$21,825

$21,080

Save $745

From SEA

Elite

Sep 05

Seoul, South Korea

79% AI deal score

$2,460

$2,325

Save $135

From SEA

Elite

Sep 04

Seoul, South Korea

78% AI deal score

$3,887

$3,826

Save $61

From SEA

Elite

Aug 15

Seoul, South Korea

78% AI deal score

$4,032

$3,908

Save $124

From SEA

Elite

Sep 06

Seoul, South Korea

78% AI deal score

$4,019

$3,942

Save $77

From SEA

Elite

Sep 11

Seoul, South Korea

78% AI deal score

$4,163

$4,038

Save $125

From SEA

Elite

Aug 31

Seoul, South Korea

78% AI deal score

$4,133

$4,072

Save $61

From SEA

Elite

Oct 21

Seoul, South Korea

78% AI deal score

$21,122

$20,868

Save $254

From SEA

Elite

Sep 03

Seoul, South Korea

78% AI deal score

$2,462

$2,381

Save $81

From SEA

Elite

Oct 06

Seoul, South Korea

78% AI deal score

$2,436

$2,390

Save $46

From SEA

Elite

Sep 14

Seoul, South Korea

78% AI deal score

$2,467

$2,390

Save $77

From SEA

Elite

Sep 16

Seoul, South Korea

78% AI deal score

$2,465

$2,390

Save $75

From SEA

Elite

Sep 07

Seoul, South Korea

78% AI deal score

$2,462

$2,399

Save $63

From SEA

Elite

Sep 15

Seoul, South Korea

78% AI deal score

$2,466

$2,399

Save $67

From SEA

Elite

Sep 23

Seoul, South Korea

78% AI deal score

$2,466

$2,399

Save $67

From SEA

Elite

Sep 17

Seoul, South Korea

78% AI deal score

$2,462

$2,399

Save $63

From SEA

Elite

Oct 19

Seoul, South Korea

78% AI deal score

$2,473

$2,399

Save $74

From SEA

Elite

Sep 03

Seoul, South Korea

78% AI deal score

$2,463

$2,399

Save $64

From SEA

Elite

Sep 01

Seoul, South Korea

78% AI deal score

$2,462

$2,399

Save $63

From SEA

Elite

Sep 08

Seoul, South Korea

78% AI deal score

$2,449

$2,399

Save $50

From SEA

Elite

Sep 15

Seoul, South Korea

78% AI deal score

$2,459

$2,399

Save $60

From SEA

Elite

Sep 01

Seoul, South Korea

78% AI deal score

$2,465

$2,399

Save $66

From SEA

Elite

Oct 05

Seoul, South Korea

78% AI deal score

$2,463

$2,399

Save $64

From SEA

Elite

Oct 21

Seoul, South Korea

78% AI deal score

$2,477

$2,399

Save $78

From SEA

Elite

Jun 29

Seoul, South Korea

77% AI deal score

$3,791

$3,771

Save $20

From SEA

Elite

Jun 29

Seoul, South Korea

77% AI deal score

$3,819

$3,812

Save $7

From SEA

Elite

Sep 05

Seoul, South Korea

77% AI deal score

$3,887

$3,867

Save $20

From SEA

Elite

Sep 13

Seoul, South Korea

77% AI deal score

$3,992

$3,944

Save $48

From SEA

Elite

Sep 23

Seoul, South Korea

77% AI deal score

$20,868

From SEA

Elite

Sep 30

Seoul, South Korea

77% AI deal score

$20,868

From SEA

Elite

Sep 23

Seoul, South Korea

77% AI deal score

$20,913

From SEA

Elite

Jun 22

Seoul, South Korea

77% AI deal score

$22,146

From SEA

Elite

Aug 25

Seoul, South Korea

77% AI deal score

$2,428

$2,390

Save $38

From SEA

Elite

Aug 24

Seoul, South Korea

77% AI deal score

$2,425

$2,390

Save $35

From SEA

Elite

Aug 19

Seoul, South Korea

77% AI deal score

$2,423

$2,390

Save $33

From SEA

Elite

Aug 27

Seoul, South Korea

77% AI deal score

$2,426

$2,399

Save $27

From SEA

Elite

Aug 17

Seoul, South Korea

77% AI deal score

$2,426

$2,399

Save $27

From SEA

Elite

Aug 20

Seoul, South Korea

77% AI deal score

$2,413

$2,399

Save $14

From SEA

Elite

Aug 18

Seoul, South Korea

77% AI deal score

$2,423

$2,399

Save $24

From SEA

Elite

Aug 05

Seoul, South Korea

77% AI deal score

$2,427

$2,399

Save $28

From SEA

Elite

Aug 10

Seoul, South Korea

77% AI deal score

$2,426

$2,399

Save $27

From SEA

Elite

Sep 06

Seoul, South Korea

76% AI deal score

$3,944

From SEA

Elite

Jul 23

Seoul, South Korea

76% AI deal score

$4,687

From SEA

Elite

Jul 24

Seoul, South Korea

76% AI deal score

$4,736

From SEA

Elite

Jul 16

Seoul, South Korea

76% AI deal score

$4,853

From SEA

Elite

Sep 30

Seoul, South Korea

76% AI deal score

$20,868

From SEA

Elite

Jul 20

Seoul, South Korea

75% AI deal score

$4,934

From SEA

Elite

Jul 26

Seoul, South Korea

75% AI deal score

$5,033

From SEA

Elite

Jul 29

Seoul, South Korea

75% AI deal score

$5,048

From SEA

Elite

Oct 21

Seoul, South Korea

75% AI deal score

$20,913

From SEA

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Jun 19

Seoul, South Korea

75% AI deal score

$22,146

From SEA

Elite

Jul 29

Seoul, South Korea

74% AI deal score

$5,197

From SEA

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Dec 02

Seoul, South Korea

73% AI deal score

$20,318

From SEA

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Jun 22

Seoul, South Korea

72% AI deal score

$6,099

From SEA

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Nov 04

Seoul, South Korea

72% AI deal score

$20,866

From SEA

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Nov 03

Seoul, South Korea

72% AI deal score

$20,866

Frequently Asked Questions About Flights to Seoul

Historically, the best time to purchase tickets from Seattle to Seoul has been within 0-6 days of departure, with an average price of $789. Prices typically increase for bookings made further in advance. For instance, tickets bought 7-13 days out averaged $1132, and those purchased 28-59 days before departure averaged $1562. Booking within a week of travel has shown to be the most economical option across the trailing quarter.

Across the trailing quarter, a good price for a flight from Seattle to Seoul is considered to be $717 or less. The median price for this route has been $1128. Fares can go significantly higher, with 75% of prices observed at $1533 or below. Travelers aiming for a budget-friendly trip should target fares around the $717 mark.

Historically, April has offered the cheapest flights from Seattle to Seoul, with a median price of $603. March also presented economical options, showing a median price of $643. November, while also listed among the cheapest, had a median price of $657. These months typically provide better value compared to the annual median price of $1128 for this route.