Find flights
When to book
FAQs

Cheap flights from Seattle to Incheon Intl Airport

SEA — ICN
26 Dec — 2 Jan1
1 adult

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 21 December 2024.

Popular in

June

Cheapest in

January

Average price

C$ 2,323
High demand for flights, 15% potential price rise
Best time to find cheap flights, 2% potential price drop
Average for round-trip flights in December 2024

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 13 December 2024.

The best time to book flights from Seattle to Incheon Intl Airport is 11 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, September is the cheapest month in which you can book a flight from Seattle to Incheon Intl Airport (average of C$ 1,152). Flying from Seattle to Incheon Intl Airport in December is currently the most expensive (average of C$ 1,557). 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 21 December 2024.

When flying from Seattle to Incheon Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 21 December 2024.

The most flights from SEA to ICN are scheduled on a Monday (9 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 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 20.0 - 260.0 mm per month. July is typically the wettest month, when rainfall can reach 260.0 mm. January is typically the driest time to visit Incheon Intl Airport when rainfall is around 20.0 mm.

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 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -2.0 C).

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?

    Seattle/Tacoma Intl (SEA) is the airport you will fly out of if you book a flight from Seattle to Incheon Intl. You should not have trouble finding flights to Incheon Intl from Seattle/Tacoma Intl; the airport handles an average of 8 outbound flights to Incheon Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Seattle airport to Incheon Intl. It is only a 18.4 km journey to Seattle/Tacoma Intl (SEA) from Seattle’s city centre.

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

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

    The top 3 most reliable airlines when flying from Seattle to Incheon Intl Airport are Korean Air (68%), Delta (64%) and Etihad Airways (45%).

  • 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, September is the cheapest month in which you can book a flight from Seattle to Incheon Intl Airport (average of C$ 1,152). Flying from Seattle to Incheon Intl Airport in December is currently the most expensive (average of C$ 1,557). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Incheon Intl?

Deals for Seattle to Incheon Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Incheon Intl?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Incheon Intl from Seattle.

Can Cheapflights find flights from Seattle to Incheon Intl with no change fees?

Yes! Cheapflights helps users easily find flights from Seattle to Incheon Intl with no change fees.

Can Cheapflights notify me if prices for flights from Seattle to Incheon Intl become cheaper?

Of course! You can now track prices for flights from Seattle to Incheon Intl and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.