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
Round trip
Sort by: Cheapest
September 15 - September 29
SEA - Seoul
$618
$872
Round trip
September 15 - September 30
SEA - Seoul
$615
$874
Round trip
August 20 - August 27
SEA - Seoul
$906
$878
Round trip
August 26 - September 14
SEA - Seoul
$885
$882
Round trip
August 29 - September 13
SEA - Seoul
$886
$882
Round trip
August 12 - August 26
SEA - Seoul
$877
$891
Round trip
August 17 - August 27
SEA - Seoul
$888
$903
Round trip
August 12 - August 20
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
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
Flights from $603
July
Flights from $1,540
Direct flights from Seattle to Seoul
Asiana Airlines
Last-minute flights going from Seattle to Seoul
Sat, Jul 4
SEA - Seoul
Seattle (SEA) - Seoul (ICN)
Air Canada
$909
$949
One-way
Sat, Jul 4
SEA - Seoul
Seattle (SEA) - Seoul (ICN)
Air Canada
$836
$953
One-way
Sat, Jul 4
SEA - Seoul
Seattle (SEA) - Seoul (ICN)
Air Canada
$850
$960
One-way
Sat, Jul 4
SEA - Seoul
Seattle (SEA) - Seoul (ICN)
Air Canada
$855
$982
One-way
Sun, Jul 5
SEA - Seoul
Seattle (SEA) - Seoul (ICN)
Air Canada
$909
$944
One-way
Mon, Jul 6
SEA - Seoul
Seattle (SEA) - Seoul (ICN)
Korean Air
$822
$946
One-way
Biggest price drops on these dates for flights from Seattle to Seoul
Aug 23 - Aug 27
$938 → $904
4%
Aug 20 - Aug 27
$906 → $878
3%
Aug 29 - Sep 13
$886 → $882
0%
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)
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)
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)
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
Elite
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
Elite
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
Elite
Dec 02
Seoul, South Korea
73% AI deal score
$20,318
From SEA
Elite
Jun 22
Seoul, South Korea
72% AI deal score
$6,099
From SEA
Elite
Nov 04
Seoul, South Korea
72% AI deal score
$20,866
From SEA
Elite
Nov 03
Seoul, South Korea
72% AI deal score
$20,866