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$393+ Cheap flights from Incheon Intl (ICN) to Seattle (SEA)

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 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — SEA
Nov 5 — Nov 121
Tue 11/5
Tue 11/12
1 adult, Economy
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The best prices from Incheon Intl to Seattle/Tacoma Intl are usually found in October or November, booked 4 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

Cheap flight deals from Incheon Intl to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) to Seattle (SEA). 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 October 31, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

August

Cheapest in

October

Round-trip from

$580
(Justfly.com)

One-way from

$393
(Kiwi.com)
Provider with most accurate pricing for Incheon Intl-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Incheon Intl-Seattle/Tacoma Intl flights.
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High demand for flights, 25% potential price rise
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Best time to find cheap flights, 24% potential price drop
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From Incheon Intl to Seattle/Tacoma Intl
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One-way flight from Incheon Intl to Seattle/Tacoma Intl
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Find flight deals from Incheon Intl to Seattle

Cheapest flights from Incheon Intl to Seattle
Explore the most affordable flight options available from Incheon Intl to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 31, 2024.

This Delta deal was found by Cheapflights users on 10/30. 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.
Tue 12/178:05 pmICN - SEA
Nonstop10h 08mDelta
Fri 2/286:15 amSEA - ICN
1 stop18h 25mDelta
Deal found 10/30$668
This Gotogate deal was found by Cheapflights users on 10/29. 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.
Tue 11/56:15 pmICN - SEA
Nonstop9h 35mAsiana Airlines
Mon 6/302:00 pmSEA - ICN
Nonstop11h 45mAsiana Airlines
Deal found 10/29$669
This Gotogate deal was found by Cheapflights users on 10/30. 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.
Wed 11/134:10 pmICN - SEA
Nonstop9h 50mKorean Air
Mon 11/1811:00 amSEA - ICN
Nonstop11h 55mKorean Air
Deal found 10/30$678
This Expedia deal was found by Cheapflights users on 10/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2311:50 amICN - SEA
2 stops23h 35mMultiple Airlines
Fri 2/287:05 pmSEA - ICN
1 stop27h 10mMultiple Airlines
Deal found 10/30$682
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Mon 12/2312:45 pmICN - SEA
1 stop28h 05mUnited Airlines
Thu 1/1612:50 pmSEA - ICN
1 stop23h 50mUnited Airlines
Deal found 10/31$683
This Air Canada deal was found by Cheapflights users on 10/29. 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 11/26:00 pmICN - SEA
1 stop16h 25mAir Canada
Mon 6/307:05 pmSEA - ICN
1 stop29h 00mAir Canada
Deal found 10/29$718
This Gotogate deal was found by Cheapflights users on 10/30. 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.
Mon 12/1612:25 pmICN - SEA
1 stop22h 50mChina Airlines
Sun 12/2912:10 amSEA - ICN
1 stop18h 10mChina Airlines
Deal found 10/30$753
This Hawaiian Airlines deal was found by Cheapflights users on 10/31. 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.
Sat 11/29:25 pmICN - SEA
1 stop17h 00mHawaiian Airlines
Sat 11/167:15 amSEA - ICN
1 stop19h 10mHawaiian Airlines
Deal found 10/31$816

Find flights from Incheon Intl to Seattle within your budget

Customize your flight search to find flights from Incheon Intl to Seattle 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 2,570,725 searches. Data last updated October 31, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Sat 11/16

1:20 pm-12:12 am

1 stop27h 52m

$506

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Mon 11/11

6:20 pm-9:57 am

1 stop32h 37m

$517

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Sat 2/1

12:25 pm-6:15 pm

1 stop22h 50m

$547

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Wed 11/6

6:15 pm-10:55 am

Nonstop9h 40m

$591

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Tue 4/1

4:40 pm-10:50 am

Nonstop10h 10m

$621

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Wed 3/19

10:35 pm-9:00 am

2 stops26h 25m

$650

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Fri 11/29

8:35 pm-7:37 am

2 stops28h 02m

$654

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Wed 12/25

12:45 pm-2:15 pm

1 stop18h 30m

$659

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Tue 12/17

8:05 pm-1:13 pm

Nonstop10h 08m

Seattle/Tacoma Intl

Sun 1/5

4:20 pm-5:20 am

1 stop20h 00m

$668

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Wed 11/13

10:35 am-2:30 pm

2 stops20h 55m

Seattle/Tacoma Intl

Wed 11/20

5:45 am-4:45 pm

1 stop18h 00m

$672

Flights are sorted by cheapest first

Deals found on 10/30

Showing 1-10 of 15 results
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Compare providers for flights from Incheon Intl to Seattle

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 Incheon Intl to Seattle in October.
ProviderPrice AccuracyTrust Score*Cancellation Policy
ExpediaPrice Accuracy1 starTrust Score*3 starsCancellation PolicyAirline Policy
eDreamsPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
FlightHubPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
AranGrantPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
oojoPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy

*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 Incheon Intl Airport-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Incheon Intl Airport-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Incheon Intl Airport-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Incheon Intl Airport-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub 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 Incheon Intl Airport-Seattle 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 Incheon Intl to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Incheon Intl 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 Incheon Intl to Seattle

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

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

Use this chart to determine the optimal time to book a round-trip flight from Incheon Intl to Seattle. Price data was last updated on October 25, 2024.

To ensure you get the cheapest price possible for a flight from Incheon Intl Airport to Seattle, you should look to book at least 4 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Find deals

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

Currently, January is the cheapest month in which you can book a flight from Incheon Intl Airport to Seattle (average of $238). Flying from Incheon Intl Airport to Seattle in July is currently the most expensive (average of $411). 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 ICN to SEA?

Find hourly flight availability from Incheon Intl to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 31, 2024.

One of the essential ways to save on airfare from Incheon Intl Airport to Seattle is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 14% on airfare.

Rainfall in Seattle by month

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

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

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

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated October 31, 2024.
Read reviews from past customers who have flown Asiana Airlines, Delta and China Airlines from Seoul to Seattle. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Entertainment

8.2

Food

8.1

Overall

8.5

Crew

8.7

Boarding

8.5

Reviews

1 / 10

I like the crews’ services, especially for sr citizens who were on wheelchairs, the efficient pilots with their smooth landing of the plane back and forth, cleanliness of the restrooms and other amenities provided to the passengers! Flights were on time it’s fine with a little bit delay but we arrived on time!

Korean Air
8.5
Very good
1,039 reviews
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Entertainment

8.2

Food

8.1

Overall

8.5

Crew

8.7

Boarding

8.5

Reviews

1 / 10

I like the crews’ services, especially for sr citizens who were on wheelchairs, the efficient pilots with their smooth landing of the plane back and forth, cleanliness of the restrooms and other amenities provided to the passengers! Flights were on time it’s fine with a little bit delay but we arrived on time!

EVA Air
8.4
Very good
1,324 reviews
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Entertainment

8.2

Food

8.1

Overall

8.5

Crew

8.7

Boarding

8.5

Reviews

1 / 10

I like the crews’ services, especially for sr citizens who were on wheelchairs, the efficient pilots with their smooth landing of the plane back and forth, cleanliness of the restrooms and other amenities provided to the passengers! Flights were on time it’s fine with a little bit delay but we arrived on time!

Asiana Airlines
8.4
Very good
486 reviews
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Entertainment

8.2

Food

8.1

Overall

8.5

Crew

8.7

Boarding

8.5

Reviews

1 / 10

I like the crews’ services, especially for sr citizens who were on wheelchairs, the efficient pilots with their smooth landing of the plane back and forth, cleanliness of the restrooms and other amenities provided to the passengers! Flights were on time it’s fine with a little bit delay but we arrived on time!

China Airlines
8.3
Very good
792 reviews
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Entertainment

8.2

Food

8.1

Overall

8.5

Crew

8.7

Boarding

8.5

Reviews

1 / 10

I like the crews’ services, especially for sr citizens who were on wheelchairs, the efficient pilots with their smooth landing of the plane back and forth, cleanliness of the restrooms and other amenities provided to the passengers! Flights were on time it’s fine with a little bit delay but we arrived on time!

Delta
8.0
Very good
8,835 reviews
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Entertainment

8.2

Food

8.1

Overall

8.5

Crew

8.7

Boarding

8.5

Reviews

1 / 10

I like the crews’ services, especially for sr citizens who were on wheelchairs, the efficient pilots with their smooth landing of the plane back and forth, cleanliness of the restrooms and other amenities provided to the passengers! Flights were on time it’s fine with a little bit delay but we arrived on time!

Related info for your journey

Find useful and relevant information for your journey from Incheon Intl to Seattle. 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 into for flights to Seattle from Incheon Intl?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl is the airport most travelers will use when flying to Seattle from Incheon Intl. Booking flights from Incheon Intl to Seattle/Tacoma Intl (SEA) should be relatively easy as there are 7 daily inbound flights from Incheon Intl from 6 different airlines.

  • Can I find flights from Incheon Intl Airport to Seattle for under $600 on Cheapflights?

    Yes, there are multiple flights from Incheon Intl Airport to Seattle for under $600. The cheapest flight booked recently is on Air Canada for just $580, but on average you can expect to pay $634.

  • Are there nonstop flights from Incheon Intl Airport to Seattle for under $600 on Cheapflights?

    Cheapflights has at least 3 direct flights from Incheon Intl Airport to Seattle under $600. A good price for a nonstop flight from Incheon Intl Airport to Seattle is less than $630.

  • Are there last-minute flights available from Incheon Intl Airport to Seattle for under $700?

    There are currently 9+ open flights from Incheon Intl Airport to Seattle within the next 7 days for less than $700.

  • What days are nonstop flights available from Incheon Intl Airport to Seattle?

    You can find nonstop flights on the following days: Tuesday, Thursday.

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

    This flight path from Incheon Intl to Seattle/Tacoma Intl was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How many flights depart from Incheon Intl Airport to Seattle on average per day?

    Travelers can expect 2 flights from Incheon Intl Airport to Seattle on average per day.
    Evening (6pm - Midnight) - 100% of flight departures

  • How long is the flight from Incheon Intl Airport to Seattle?

    There are many flights that can get you from Incheon Intl Airport to Seattle in 9h 40m. Fly via Air Canada, Asiana Airlines, or United Airlines to get the fastest option. The distance from Incheon Intl Airport to Seattle is about 5232 mi. This flight may include one or multiple stops.

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

    Flying on Air Canada is currently your cheapest option to Seattle, with prices starting at $580. Additional round-trip tickets that might be worth considering are offered by Asiana Airlines and United Airlines, with the lowest prices starting at $588 and $613, respectively. Air Canada is priced at 47% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airline one-way is Hawaiian Airlines, with whom users have recently found tickets for as low as $446. However, be on the lookout for offers from Air Canada and China Airlines, as they are both options that can get you from Incheon Intl Airport to Seattle for a low price.

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

    Before booking your flight to Seattle from Incheon Intl Airport, check out the most reliable airlines to get you to your destination on time: Thai Airways (80%), Asiana Airlines (80%), United Airlines( 80%).

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

    Looking for the cheapest flight from Incheon Intl Airport to Seattle? While on average our users pay $1,521, our data indicates the cheapest price to be $557. The most popular route (Incheon Intl - Seattle/Tacoma Intl), is priced around $588.

  • What does ICN to SEA mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Incheon Intl Airport to Seattle/Tacoma Intl Airport flight would often be abbreviated as a ICN to SEA flight.

  • Can I find deals for flights from Incheon Intl to Seattle that include extra baggage allowance?

    The amount of baggage you can bring on your Incheon Intl to Seattle flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Incheon Intl to Seattle with specific airlines?

    Yes, Cheapflights allows you to browse and filter Incheon Intl to Seattle flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

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

  • Can I find deals for flights from Incheon Intl to Seattle that allow pets onboard?

    Many airlines flying from Incheon Intl to Seattle offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Incheon Intl to Seattle?

    Yes, you can often find last-minute deals on Incheon Intl to Seattle flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Incheon Intl Airport to Seattle flight deals updated?

    The Incheon Intl Airport to Seattle flight deals you see on this page were last updated on 10/31.

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

    Currently, January is the cheapest month in which you can book a flight from Incheon Intl Airport to Seattle (average of $238). Flying from Incheon Intl Airport to Seattle in July is currently the most expensive (average of $411). 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 Incheon Intl to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Incheon Intl to Seattle

Discover the top 6 airlines that operate flights from Incheon Intl to Seattle. 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 2,570,725 searches. Data last updated October 31, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$538Average$718FlexibilityNo cancel feeOn-time71%
Asiana AirlinesCheapest$732Average$1,139FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$748Average$915FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$840Average$887FlexibilityNo cancel feeOn-time69%
DeltaCheapest$891Average$1,199FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$1,000Average$1,284FlexibilityNo cancel feeOn-time81%
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