Cheap flights from Incheon Intl Airport to Seattle
ICN — SEA
28 Jan — 4 Feb1
Return
1 adult
Economy
The best prices from Incheon Intl to Seattle/Tacoma Intl are usually found in November or January, booked 76 days in advance, depart on a Monday or Tuesday and return on a Monday
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 23 January 2025.
Popular in
August
Cheapest in
November
Average price
£658
Good one-way deal
£504 or less
Highest demand for flights based on searches. 20% potential increase in price (£168 potential increase over avg. return price).
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 return flight from Incheon Intl to Seattle. Price data was last updated on 17 January 2025.
To ensure you get the cheapest price possible for a flight from Incheon Intl Airport to Seattle, you should look to book at least 76 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.
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 £622). Flying from Incheon Intl Airport to Seattle in July is currently the most expensive (average of £946). 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 23 January 2025.
It’s optimal to fly from Incheon Intl Airport to Seattle in the morning. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight at midday.
Weekly flight availability from Incheon Intl Airport to Seattle
Explore weekly flight availability from Incheon Intl to Seattle. 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 23 January 2025.
The most flights from ICN to SEA 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 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 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.
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 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).
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?
If you book a flight to Seattle from Incheon Intl, you will be flying to 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 Incheon Intl to Seattle/Tacoma Intl per day from 0 different airlines.
What are the most reliable airlines from Incheon Intl Airport to Seattle?
The top 3 most reliable airlines when flying from Incheon Intl Airport to Seattle are Delta (48%), Korean Air (48%) and Etihad Airways (34%).
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 holiday 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.
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 £622). Flying from Incheon Intl Airport to Seattle in July is currently the most expensive (average of £946). 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.
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 23 January 2025.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Incheon Intl to Seattle?
Cheapflights makes it easy to find Incheon Intl to Seattle flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Incheon Intl to Seattle?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Incheon Intl to Seattle.
Can Cheapflights find flights from Incheon Intl to Seattle with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Incheon Intl to Seattle flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Incheon Intl to Seattle become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!
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