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Incheon Intl

$404+ Cheap flights from Seattle (SEA) to Incheon Intl (ICN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ICN
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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The best prices from Seattle/Tacoma Intl to Incheon Intl are usually found in February or January, booked 28 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Seattle to Incheon Intl

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Incheon Intl (ICN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Popular in

June

Cheapest in

February

Round-trip from

$864
(Justfly.com)

One-way from

$404
(Kiwi.com)
Provider with most accurate pricing for Seattle/Tacoma Intl-Incheon Intl flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Incheon Intl flights.
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High demand for flights, 23% potential price rise
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Best time to find cheap flights, 15% potential price drop
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From Seattle/Tacoma Intl to Incheon Intl
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One-way flight from Seattle/Tacoma Intl to Incheon Intl
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Find flight deals from Seattle to Incheon Intl

Cheapest flights from Seattle to Incheon Intl
Explore the most affordable flight options available from Seattle to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This Mytrip deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/75:15 amSEA - ICN
2 stops24h 35mMultiple Airlines
Wed 12/117:25 amICN - SEA
3 stops33h 45mMultiple Airlines
Deal found 11/20$900
This United Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/201:55 pmSEA - ICN
1 stop22h 45mUnited Airlines
Wed 11/276:00 pmICN - SEA
1 stop22h 44mUnited Airlines
Deal found 11/19$903
This Air Canada deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/237:15 pmSEA - ICN
1 stop28h 30mAir Canada
Thu 12/126:20 pmICN - SEA
1 stop13h 05mAir Canada
Deal found 11/19$909
This American Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/201:16 amSEA - ICN
1 stop22h 29mAmerican Airlines
Thu 2/206:50 pmICN - SEA
1 stop23h 07mAmerican Airlines
Deal found 11/20$916
This WhyPayMore deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2711:00 amSEA - ICN
Nonstop11h 55mKorean Air
Wed 12/48:05 pmICN - SEA
Nonstop10h 08mKorean Air
Deal found 11/20$921
This Jettzy deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/312:45 pmSEA - ICN
Nonstop12h 05mAsiana Airlines
Tue 12/176:15 pmICN - SEA
Nonstop9h 40mAsiana Airlines
Deal found 11/19$938
This Delta deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2910:35 amSEA - ICN
Nonstop12h 40mDelta
Tue 12/108:05 pmICN - SEA
Nonstop10h 08mDelta
Deal found 11/19$1,026
This oojo deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/37:00 pmSEA - ICN
1 stop45h 05mTurkish Airlines
Mon 12/912:10 amICN - SEA
1 stop33h 55mTurkish Airlines
Deal found 11/20$1,027
This WhyPayMore deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2612:10 amSEA - ICN
1 stop17h 20mEVA Air
Wed 12/47:45 pmICN - SEA
1 stop15h 25mEVA Air
Deal found 11/20$1,066
This Gotogate deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2412:10 amSEA - ICN
1 stop26h 05mChina Airlines
Sun 12/812:25 pmICN - SEA
1 stop22h 50mChina Airlines
Deal found 11/20$1,084
This Hawaiian Airlines deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/197:15 amSEA - ICN
1 stop19h 10mHawaiian Airlines
Wed 11/209:25 pmICN - SEA
1 stop17h 00mHawaiian Airlines
Deal found 11/18$1,143

Find flights from Seattle to Incheon Intl within your budget

Customize your flight search to find flights from Seattle to Incheon Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Wed 2/12

5:45 am-3:15 pm

1 stop16h 30m

Incheon Intl

Fri 2/28

4:55 pm-2:30 pm

1 stop14h 35m

$864

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Tue 1/14

5:55 pm-12:20 pm

2 stops25h 25m

Incheon Intl

Fri 1/31

8:10 am-5:00 pm

2 stops25h 50m

$896

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Wed 1/8

3:25 pm-5:40 am

1 stop21h 15m

Incheon Intl

Fri 1/31

6:00 pm-7:08 pm

1 stop18h 08m

$902

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Sat 3/1

12:43 am-4:45 pm

1 stop23h 02m

Incheon Intl

Tue 3/11

5:50 pm-9:19 pm

1 stop19h 29m

$916

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Wed 2/12

12:45 pm-5:50 pm

Nonstop12h 05m

Incheon Intl

Sat 2/22

6:15 pm-10:55 am

Nonstop9h 40m

$926

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Wed 2/5

11:00 am-3:55 pm

Nonstop11h 55m

Incheon Intl

Wed 2/12

4:10 pm-9:00 am

Nonstop9h 50m

$942

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Mon 3/17

1:10 am-11:20 am

1 stop18h 10m

Incheon Intl

Tue 4/8

12:35 pm-7:30 pm

1 stop22h 55m

$964

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Sun 3/2

7:00 pm-9:05 am

1 stop45h 05m

Incheon Intl

Mon 3/10

12:10 am-6:05 pm

1 stop33h 55m

$968

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Mon 1/6

10:45 am-4:15 pm

Nonstop12h 30m

Incheon Intl

Mon 1/27

8:05 pm-1:30 pm

Nonstop10h 25m

$989

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Mon 3/24

1:10 am-10:30 am

1 stop17h 20m

Incheon Intl

Wed 4/9

7:45 pm-7:30 pm

1 stop15h 45m

$1,018

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 22 results
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Compare providers for flights from Seattle to Incheon Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Incheon Intl in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
ScholarTripPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star
GotogatePrice Accuracy3 starsTrust Score*2 stars
oojoPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Incheon Intl Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Seattle-Incheon Intl Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Seattle-Incheon Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Incheon Intl Airport flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Incheon Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Incheon Intl

Have a flexible travel schedule? Discover the best time to fly to Incheon Intl from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Seattle to Incheon Intl

Get recent, data-driven insights about flights from Seattle to Incheon Intl including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Seattle to Incheon Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Incheon Intl. Price data was last updated on November 15, 2024.

The price you pay for your flight from Seattle to Incheon Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 28 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Seattle to Incheon Intl Airport?

Currently, October is the cheapest month in which you can book a flight from Seattle to Incheon Intl Airport (average of $1,102). Flying from Seattle to Incheon Intl Airport in June is currently the most expensive (average of $1,708). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to ICN?

Find hourly flight availability from Seattle to Incheon Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

When flying from Seattle to Incheon Intl Airport, 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 22% versus a flight at noon.

What is the cheapest day to fly from Seattle to Incheon Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Incheon Intl. Price data was last updated on November 18, 2024.

Travelers seeking maximum savings on their Seattle to Incheon Intl Airport flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Seattle to Incheon Intl Airport

Explore weekly flight availability from Seattle to Incheon Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 20, 2024.

The most flights from SEA to ICN are scheduled on a Monday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).

Rainfall in Incheon Intl by month

Plan your trip to Incheon Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Incheon Intl Airport ranges from 0.8 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit Incheon Intl Airport when rainfall is around 0.8 in.

Temperature in Incheon Intl by month

Plan your trip to Incheon Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Incheon Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

Reviews of airlines servicing Incheon Intl

Get insights into the airlines that provide service to Incheon Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Incheon Intl. Reviews last updated November 20, 2024.
See what other customers who have flown with Air Canada, United Airlines and American Airlines from Seattle to Seoul have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very good
1,024 reviews

Overall

8.5

Entertainment

8.2

Comfort

8.3

Crew

8.7

Boarding

8.5

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Korean Air
8.5
Very good
1,024 reviews
Korean Air
8.5
Very good
1,024 reviews

Overall

8.5

Entertainment

8.2

Comfort

8.3

Crew

8.7

Boarding

8.5

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

EVA Air
8.4
Very good
1,308 reviews
Korean Air
8.5
Very good
1,024 reviews

Overall

8.5

Entertainment

8.2

Comfort

8.3

Crew

8.7

Boarding

8.5

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Asiana Airlines
8.3
Very good
476 reviews
Korean Air
8.5
Very good
1,024 reviews

Overall

8.5

Entertainment

8.2

Comfort

8.3

Crew

8.7

Boarding

8.5

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

China Airlines
8.3
Very good
778 reviews
Korean Air
8.5
Very good
1,024 reviews

Overall

8.5

Entertainment

8.2

Comfort

8.3

Crew

8.7

Boarding

8.5

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Delta
8.0
Very good
8,756 reviews
Korean Air
8.5
Very good
1,024 reviews

Overall

8.5

Entertainment

8.2

Comfort

8.3

Crew

8.7

Boarding

8.5

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Incheon Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Incheon Intl?

    If you book a flight to Incheon Intl from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle. There are 9 flights from Seattle/Tacoma Intl to Incheon Intl per day from 9 different airlines.

  • How popular is this Seattle to Incheon Intl Airport flight route?

    The Seattle/Tacoma Intl to Incheon Intl flight path was viewed by 228 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 Intl Airport round-trip?

    Air Canada, at $864, was found to be the cheapest airline from Seattle to Incheon Intl Airport.Alternate airlines to your destination round-trip include United Airlines and American Airlines. These flights start at 36% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Seattle to Incheon Intl Airport one-way?

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $461. Users have also found prices from $500 and $506 on Asiana Airlines and United Airlines, respectively.

  • What are the most reliable airlines from Seattle to Incheon Intl Airport?

    Before booking your flight to Incheon Intl Airport from Seattle, check out the most reliable airlines to get you to your destination on time: Korean Air (69%), Delta (57%), Etihad Airways( 53%).

  • What are the cheapest flights from Seattle to Incheon Intl Airport?

    On average you can expect to pay $1,526 for a flight from Seattle to Incheon Intl Airport. The cheapest flight overall is $420 while the most popular route, (Seattle/Tacoma Intl - Incheon Intl) is currently priced at $889.

  • Can I find deals for flights from Seattle to Incheon Intl that include hotel bookings?

    Yes. In addition to deals on Seattle to Incheon Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Incheon Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Incheon Intl.

  • Can I find deals for business class flights from Seattle to Incheon Intl?

    Yes. Cheapflights offers flight deals from Seattle to Incheon Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Incheon Intl Airport?

    Currently, October is the cheapest month in which you can book a flight from Seattle to Incheon Intl Airport (average of $1,102). Flying from Seattle to Incheon Intl Airport in June is currently the most expensive (average of $1,708). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Seattle to Incheon Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Seattle to Incheon Intl

Discover the top 9 airlines that operate flights from Seattle to Incheon Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$600Average$813FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$769Average$1,477FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$852Average$1,025FlexibilityNo cancel feeOn-time67%
China AirlinesCheapest$856Average$945FlexibilityNo cancel feeOn-time70%
DeltaCheapest$959Average$1,416FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$970Average$1,150FlexibilityNo cancel feeOn-time77%
EVA AirCheapest$1,027Average$1,247FlexibilityNo cancel feeOn-time74%
Asiana AirlinesCheapest$1,027Average$1,298FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$1,056Average$1,370FlexibilityNo cancel feeOn-time81%
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