Cheap flights from Seattle (SEA) to Incheon (ICN)

SEA — ICN
Feb 7 — Feb 141

The best prices from Seattle/Tacoma Intl to Incheon Intl are usually found in February or March, booked 48 days in advance, depart on a Monday or Thursday and return on a Thursday

How to find the cheapest flight from Seattle (SEA) to Incheon (ICN)

All the information you need to plan the best SEA to ICN flight in 2023: compare Seattle to Incheon flight prices with the expected peak season, weather and rainfall in Incheon.

SEA - ICN

Price

$1,030 - $1,875

ICN

Temperature

28.4 - 77 °F

ICN

Rainfall

0.8 - 10.2 inches

Popular inDecemberHigh demand for flights, 31% potential price rise
Cheapest inFebruaryBest time to find cheap flights, 21% potential price drop
Round-trip from$1,030From Seattle/Tacoma Intl to Incheon Intl
One-way from$562One-way flight from Seattle/Tacoma Intl to Incheon Intl

What is the cheapest day to fly round-trip from Seattle to Incheon?

Flying to your destination on a Thursday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Incheon. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from Seattle to Incheon?

Users have found that booking a flight from Seattle to Incheon at least 43 days early can save you up to 32% on average compared to booking a flight this week. If booking 43 days before your flight isn’t an option for you, users have found flights from Seattle to Incheon for as little as $1,430 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,776 for flights departing within the next 3 days.

What is the cheapest month to fly from Seattle to Incheon?

The best pricing can be found in the month of March. Prices to Incheon from Seattle average $1,291. You can even find prices in March for less than $1,291, as users have found deals to Incheon from as low as $749. The month of December appears to be one of the more expensive times to travel to Incheon from Seattle. Flying in the targeted month can save you up to 50%.

When is the cheapest time to fly from Seattle to Incheon (SEA - ICN)?

When flying from Seattle to Incheon, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 12% versus a flight in the afternoon.

Cheap flights from Seattle to Incheon in February, March 2023

The best prices found for SEA to ICN flights for February, March
Mar 27 - Apr 2
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

1 stop

24h 30m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

1 stop

35h 30m
$953

Finnair

Pick Dates

Deal found 2/1

Mar 14 - Jun 6
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

2 stops

31h 50m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

2 stops

30h 00m
$962

Multiple Airlines

Pick Dates

Deal found 2/1

Mar 20 - Mar 27
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

1 stop

30h 50m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

1 stop

32h 35m
$966

Turkish Airlines

Pick Dates

Deal found 1/31

Seattle to Incheon 2023 flight deals

Cheap flights to Incheon from Seattle found for this year
Apr 19 - May 7
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

1 stop

24h 30m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

1 stop

35h 30m
$938

Finnair

Pick Dates

Deal found 1/31

Apr 19 - May 9
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

1 stop

24h 30m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

1 stop

35h 30m
$939

Finnair

Pick Dates

Deal found 1/31

Apr 17 - May 2
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

1 stop

24h 30m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

1 stop

35h 30m
$943

Finnair

Pick Dates

Deal found 2/1

Cheap Finnair flights from Seattle to Incheon

Apr 19 - May 7
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

1 stop

24h 30m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

1 stop

35h 30m
$938

Finnair

Pick Dates

Deal found 1/31

Apr 19 - May 9
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

1 stop

24h 30m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

1 stop

35h 30m
$939

Finnair

Pick Dates

Deal found 1/31

Apr 24 - May 4
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

1 stop

24h 30m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

1 stop

35h 30m
$943

Finnair

Pick Dates

Deal found 2/1

  • If you’re traveling from Seattle to Incheon, one of the more common airlines traveling that route is Finnair. Seattle to Incheon flights are typically 72% cheaper than other airlines traveling the same route. Flights from Finnair typically cost $1,311.04 RT. The cheapest Finnair flight found for this route was $1,085. Seattle/Tacoma Intl Airport is the most common Seattle airport to take off from when flying to Incheon. Incheon Intl Airport is the most popular arrival airport in Incheon. When flying from Seattle to Incheon, Finnair flights are 5% more popular than any other airline flying that same route.

Cheap Turkish Airlines flights from Seattle to Incheon

Mar 20 - Mar 27
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

1 stop

30h 50m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

1 stop

32h 35m
$966

Turkish Airlines

Pick Dates

Deal found 1/31

Mar 20 - Mar 31
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

1 stop

30h 50m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

1 stop

47h 05m
$996

Turkish Airlines

Pick Dates

Deal found 2/1

Mar 13 - Mar 27
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

1 stop

25h 30m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

1 stop

32h 35m
$1,013

Turkish Airlines

Pick Dates

Deal found 1/31

  • If you’re traveling from Seattle to Incheon, one of the more common airlines traveling that route is Turkish Airlines. Flights on this route from Turkish Airlines typically cost $1,318.14 RT, a price that is 73% more expensive than the average Seattle to Incheon flight. The cheapest flight found was $1,052 RT. When traveling from Seattle to Incheon on Turkish Airlines, the most popular airport to depart from is Seattle/Tacoma Intl Airport and the most popular airport to arrive at is Incheon Intl Airport. When flying from Seattle to Incheon, Turkish Airlines flights are 4% more popular than any other airline flying that same route.

Non-stop flights to Incheon from Seattle

Save time with Seattle to Incheon direct flight deals
Mar 19 - Jun 11
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

Nonstop

12h 10m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

Nonstop

10h 40m
$1,118

Asiana Airlines

Pick Dates

Deal found 1/30

Mar 26 - Jun 25
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

Nonstop

11h 25m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

Nonstop

10h 40m
$1,120

Asiana Airlines

Pick Dates

Deal found 1/31

Apr 24 - Jun 9
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

Nonstop

11h 25m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

Nonstop

10h 40m
$1,122

Asiana Airlines

Pick Dates

Deal found 1/30

Last minute flights from Seattle to Incheon

Late deals on return flights to Incheon from Seattle, departing today and this week
Feb 7 - Feb 27
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

2 stops

35h 15m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

2 stops

39h 33m
$1,130

Multiple Airlines

Pick Dates

Deal found 2/1

Feb 12 - Mar 12
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

2 stops

37h 20m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

2 stops

34h 24m
$1,144

Multiple Airlines

Pick Dates

Deal found 2/1

Feb 8 - Apr 10
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

2 stops

32h 10m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

2 stops

46h 30m
$1,150

Multiple Airlines

Pick Dates

Deal found 1/31

One-way flights to Incheon from Seattle

The cheapest one-way flights from Seattle to Incheon
Mar 6
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

3 stops

41h 25m
$527

Multiple Airlines

Pick Dates

Deal found 1/30

Mar 19
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

1 stop

28h 15m
$537

Air Canada

Pick Dates

Deal found 1/30

Mar 21
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

2 stops

44h 55m
$544

Multiple Airlines

Pick Dates

Deal found 1/31

Reviews of Airlines Servicing Incheon

Asiana Airlines
8.0
Very good
52 reviews

Comfort

7.7

Crew

8.3

Food

8.1

Boarding

8.2

Entertainment

7.5

Overall

8.0

Reviews

1 / 10

Seats were quite small and packed tightly together. Old entertainment system (no touchscreen).

Asiana Airlines
8.0
Very good
52 reviews
Asiana Airlines
8.0
Very good
52 reviews

Comfort

7.7

Crew

8.3

Food

8.1

Boarding

8.2

Entertainment

7.5

Overall

8.0

Reviews

1 / 10

Seats were quite small and packed tightly together. Old entertainment system (no touchscreen).

EVA Air
7.9
Good
64 reviews
Asiana Airlines
8.0
Very good
52 reviews

Comfort

7.7

Crew

8.3

Food

8.1

Boarding

8.2

Entertainment

7.5

Overall

8.0

Reviews

1 / 10

Seats were quite small and packed tightly together. Old entertainment system (no touchscreen).

Turkish Airlines
7.3
Good
1,139 reviews
Asiana Airlines
8.0
Very good
52 reviews

Comfort

7.7

Crew

8.3

Food

8.1

Boarding

8.2

Entertainment

7.5

Overall

8.0

Reviews

1 / 10

Seats were quite small and packed tightly together. Old entertainment system (no touchscreen).

Finnair
7.3
Good
193 reviews
Asiana Airlines
8.0
Very good
52 reviews

Comfort

7.7

Crew

8.3

Food

8.1

Boarding

8.2

Entertainment

7.5

Overall

8.0

Reviews

1 / 10

Seats were quite small and packed tightly together. Old entertainment system (no touchscreen).

Air Canada
6.6
Okay
649 reviews
Asiana Airlines
8.0
Very good
52 reviews

Comfort

7.7

Crew

8.3

Food

8.1

Boarding

8.2

Entertainment

7.5

Overall

8.0

Reviews

1 / 10

Seats were quite small and packed tightly together. Old entertainment system (no touchscreen).

Related info for your journey

Useful info, stats and facts about Seattle to Incheon flights.

What airports do I use to fly from Seattle to Incheon?

Incheon Intl is the airport most travelers will use when flying to Incheon from Seattle/Tacoma Intl. Booking flights from Seattle/Tacoma Intl (SEA) to Incheon Intl (ICN) should be relatively easy as there are 7 daily flights to Incheon from 16 different airlines. 11h 25m is how long a flight from Seattle to Incheon Intl will take if you book a nonstop flight.

Which airlines flying from Seattle/Tacoma Intl to Incheon Intl have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Korean Air, Asiana Airlines, and Air Canada flying from Seattle/Tacoma Intl to Incheon Intl have implemented new flexible cancellation policies.

Can I find flights from Seattle to Incheon for under $1,000 on Cheapflights?

Yes, there are multiple flights from Seattle to Incheon for under $1,000. The cheapest flight booked recently is on Finnair for just $938, but on average you can expect to pay $978.

Are there nonstop flights from Seattle to Incheon for under $1,200 on Cheapflights?

Cheapflights has at least 20 direct flights from Seattle to Incheon under $1,200. A good price for a nonstop flight from Seattle to Incheon is less than $1,157.

Are there last-minute flights available from Seattle to Incheon for under $1,200?

There are currently 20+ open flights from Seattle to Incheon within the next 7 days for less than $1,200.

How popular is this Seattle to Incheon flight route?

The Seattle/Tacoma Intl to Incheon Intl flight path was viewed by 270 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What are the cheapest airlines flying from Seattle to Incheon round-trip?

Currently priced at $938, Finnair will fly you from Seattle to Incheon and back. In addition to Finnair, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Turkish Airlines for as low as $966. These flights start at 27% lower than the current average price 3 months from now.

What are the most popular airlines that fly from Seattle to Incheon?

Consider American Airlines, Air Canada or Alaska Airlines when booking your flight. These represent the most popular airlines when flying from Seattle to Incheon.

What are the most reliable airlines from Seattle to Incheon?

Before booking your flight to Incheon from Seattle, check out the most reliable airlines to get you to your destination on time: Etihad Airways (77%), Korean Air (63%), Delta( 56%).

What are the cheapest flights from Seattle to Incheon?

On average you can expect to pay $3,973 for a flight from Seattle to Incheon. The cheapest flight overall is $599 while the most popular route, (Seattle/Tacoma Intl - Incheon Intl) is currently priced at $938.

Alternative routes for Seattle to Incheon

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Busanfrom $1,264 pp
Spokane to Incheonfrom $1,335 pp
Pasco to Incheonfrom $2,596 pp

Top 10 airlines flying from Seattle to Incheon

The chart below displays the airlines Cheapflights users traveling from Seattle to Incheon choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$13Average$18FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
Turkish AirlinesCheapest$348Average$1,219FlexibilityNo cancel feeOn-time77%COVID-19 safety
Search Turkish Airlines flights
XiamenAirCheapest$407Average$580FlexibilityNo cancel feeOn-time49%COVID-19 safety
Search XiamenAir flights
Cathay PacificCheapest$583Average$851FlexibilityNo cancel feeOn-time72%COVID-19 safety
Search Cathay Pacific flights
China EasternCheapest$670Average$875FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search China Eastern flights
Hawaiian AirlinesCheapest$731Average$1,339FlexibilityNo cancel feeOn-time85%COVID-19 safety
Search Hawaiian Airlines flights
Air CanadaCheapest$775Average$994FlexibilityNo cancel feeOn-time67%COVID-19 safety
Search Air Canada flights
FinnairCheapest$936Average$973FlexibilityNo cancel feeOn-time76%COVID-19 safety
Search Finnair flights
Alaska AirlinesCheapest$980Average$1,054FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search Alaska Airlines flights
EVA AirCheapest$994Average$1,066FlexibilityNo cancel feeOn-time74%COVID-19 safety
Search EVA Air flights

Hourly flight availability from Seattle to Incheon

See what time of day planes typically take off from Seattle to Incheon
1%of flight departuresEarly morningMidnight to 6 am
81%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
18%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Seattle to Incheon

See how many times per day planes take to the skies headed from Seattle to Incheon
Sunday8daily flights
Monday8daily flights
Tuesday6daily flights
Wednesday8daily flights
Thursday6daily flights
Friday8daily flights
Saturday7daily flights
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