Cheap flights from Seoul to Seattle (ICN–SEA)
ICNIncheon International Airport
South Korea
South Korea
SEASeattle–Tacoma International Airport
United States
United States
Alaska Airlines, Asiana Airlines, Delta Air Lines and Korean Air fly Seoul to Seattle (ICN–SEA) nonstop and back, a great-circle distance of 8,370 km (5,200 mi).
- From
- ICN
- Seoul
- To
- SEA
- Seattle
- Nonstop
- Yes · 4 airlines
- Airlines
- AS · OZ · DL · KE
- Cheapest fare found
- ₩747,550 one-way
- Distance
- 8,370 km (5,200 mi)
- Time difference
- Seattle 16 hours behind
- Most flights
- Asiana Airlines
- Time in the air
- 9h 16m · 11h 30m back
- Flights a week
- OZ ~2 · DL ~1 · KE ~1
- Aircraft seen
- Boeing 777-200 · Boeing 787-10 Dreamliner · Airbus A350-900
Network data imported from airport and airline sources:· How we verify
Seoul to Seattle fares by month
Cheapest one-way fare found: ₩747,550 for November 2026 on Scoot (2 stops).
- Oct ’26₩768,847
- Nov ’26₩747,550
- Mar ’27₩925,871
Cheapest one-way fares per month of departure in the Aviasales price cache, found . Fares change by the hour: the live fare is shown when you search.
When to fly ICN–SEA
For Seoul Incheon (ICN) to Seattle–Tacoma (SEA), November 2026 had the lowest fare found (₩747,550). Days in Seattle average 18–28 °C in May, June, July, August and September. Set your watch 16 hours back on landing at SEA.
Seoul to Seattle: frequently asked questions
Fares: Aviasales price cache, 8 October 2026; tracked flights between 6 September and 3 October 2026, from public ADS-B data.
How much is a flight from Seoul Incheon (ICN) to Seattle–Tacoma (SEA)?
From ₩747,550 one-way, the cheapest fare found for November 2026 on Scoot with 2 stops (found 8 October 2026).
How long is the ICN–SEA flight?
9h 16m wheels-up to wheels-down, the median of 26 tracked flights; SEA–ICN took 11h 30m.
Which airlines fly ICN–SEA direct?
Alaska Airlines, Asiana Airlines, Delta Air Lines and Korean Air.
What is the cheapest month to fly ICN–SEA?
November 2026, at ₩747,550; the dearest month found was ₩925,871.
What is the time difference between Seoul and Seattle?
Seattle is 16 hours behind Seoul: a ICN departure at noon is 20:00 local time in SEA.
How many ICN–SEA flights a week?
Asiana Airlines 2, Delta Air Lines 1 and Korean Air 1 each way.
What aircraft fly ICN–SEA?
Boeing 777-200, Boeing 787-10 Dreamliner and Airbus A350-900.
Seattle to Seoul: the return flight (SEA–ICN)
All 4 airlines also fly SEA–ICN nonstop.
The return takes 11h 30m in the air (median of 14 tracked flights), 134 minutes longer than ICN–SEA.
Airlines flying ICN–SEA nonstop
| Airline | Usually takes off (ICN time) | Type | Alliance | Notes |
|---|---|---|---|---|
 Alaska Airlines AS | — | full-service | oneworld | — |
 Asiana Airlines OZ | 21:43–21:58 | full-service | Star Alliance | — |
 Delta Air Lines DL | 14:05–21:58 | full-service | SkyTeam | — |
 Korean Air KE | 16:58–17:21 | full-service | SkyTeam | — |
One-stop alternatives to flying ICN–SEA nonstop
One airline on both legs; check it's sold as one ticket.
- Via Calgary (YYC) with
WestJet: 9,270 km (5,760 mi) flown, 11% further than nonstop. - Via San Francisco (SFO) with United Airlines: 10,180 km (6,320 mi) flown, 22% further than nonstop.
- Via Salt Lake City (SLC) with Delta Air Lines: 10,590 km (6,580 mi) flown, 26% further than nonstop.
- Via Taipei (TPE) with
China Airlines and EVA Air: 11,220 km (6,970 mi) flown, 34% further than nonstop.
ICN–SEA route map
More from Seoul and Seattle
Other arrivals in United States
Also nonstop from ICN, nearest to SEA first (straight-line distance):
- ICN–SFO: San Francisco · 1,090 km (679 mi) from SEA
- Salt Lake City (SLC) airport guide · 1,110 km (688 mi) from SEA
- Las Vegas (LAS) airport guide · 1,390 km (867 mi) from SEA
- ICN–LAX: Los Angeles · 1,540 km (955 mi) from SEA
- Minneapolis (MSP) airport guide · 2,240 km (1,390 mi) from SEA
Explore the airlines’ route maps
- Alaska Airlines route map and destinations
- Asiana Airlines route map and destinations
- Delta Air Lines route map and destinations
- Korean Air route map and destinations
Plan your arrival at Seattle–Tacoma International Airport (SEA)
Departure
Incheon International Airport
Incheon (ICN), Seoul. In our data, 83 airlines fly nonstop from ICN to 157 destinations.
View ICN airport guide →Arrival
Seattle–Tacoma International Airport
2 ways into Seattle, fastest from 25 min:
- Link light rail (1 Line) 38–40 min · $3
- Taxi or rideshare 25–45 min
Onward from Seattle
Places you can't fly to nonstop from ICN, but can from SEA — for a stopover or a second leg.
Related routes
Sources
- en.wikipedia.org — airlines and destinations, checked 2026-10-01
- en.wikipedia.org — airlines and destinations, checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
Flight tracking: adsb.lol community ADS-B data (CC0), 6 September – 3 October 2026. Times are median wheels-up to wheels-down; add taxiing for gate-to-gate.
Report a change — seen something different at the airport or on the airline's site? We re-check and log corrections publicly.