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Cheap flights from Redmond to Incheon International

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      Travelers and cabin class, 1 Adult, Economy

      Compare Redmond to Incheon International flight deals

      Find the cheapest month or even day of the year to fly to Incheon International

      Book the best Incheon International fare with no extra fees

      Flight deals from Redmond to Incheon International

      Looking for a cheap last-minute deal or the best round-trip flight from Redmond Airport to Incheon International Airport? If you want to travel next month, round-trip fares start from $1,106. Find the lowest prices on one-way and round-trip tickets right here.
      Seoul.$1,105 per passenger.Departing Mon, Aug 31, returning Tue, Sep 15.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Redmond on Mon, Aug 31, arriving in Incheon International.Inbound indirect flight with Delta, departing from Incheon International on Tue, Sep 15, arriving in Redmond.Price includes taxes and charges.From $1,105, select.
      Seoul.$1,105 per passenger.Departing Tue, Sep 1, returning Tue, Sep 15.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Redmond on Tue, Sep 1, arriving in Incheon International.Inbound indirect flight with Delta, departing from Incheon International on Tue, Sep 15, arriving in Redmond.Price includes taxes and charges.From $1,105, select.
      Seoul.$1,140 per passenger.Departing Wed, Jan 6, returning Thu, Jan 21.Round-trip flight with Alaska Airlines and China Airlines.Outbound indirect flight with Alaska Airlines, departing from Redmond on Wed, Jan 6, arriving in Incheon International.Inbound indirect flight with China Airlines, departing from Incheon International on Thu, Jan 21, arriving in Redmond.Price includes taxes and charges.From $1,140, select.
      Seoul.$1,357 per passenger.Departing Mon, Mar 15, returning Mon, Mar 29.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Redmond on Mon, Mar 15, arriving in Incheon International.Inbound indirect flight with Delta, departing from Incheon International on Mon, Mar 29, arriving in Redmond.Price includes taxes and charges.From $1,357, select.
      Seoul.$1,357 per passenger.Departing Mon, Feb 1, returning Tue, Feb 16.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Redmond on Mon, Feb 1, arriving in Incheon International.Inbound indirect flight with Delta, departing from Incheon International on Tue, Feb 16, arriving in Redmond.Price includes taxes and charges.From $1,357, select.
      Seoul.$2,716 per passenger.Departing Wed, Mar 31, returning Wed, Apr 21.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Redmond on Wed, Mar 31, arriving in Incheon International.Inbound indirect flight with Delta, departing from Incheon International on Wed, Apr 21, arriving in Redmond.Price includes taxes and charges.From $2,716, select.

      Find the cheapest month to fly from Redmond to Incheon International

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Redmond to Incheon International flights are currently cheapest in September.
      Aug
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      Sep
      from $1,106
      Oct
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      Nov
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      Dec
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      Jan
      from $1,140
      Feb
      from $1,357
      Mar
      from $1,357
      Apr
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      May
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      Jun
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      Jul
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      Redmond to Incheon International: Alternative routes

      Compare routes from Redmond to Seoul below. You may find an airport to fly into that's cheaper, faster, or easier than Incheon International.

      Gimpo International

      17km from central Seoul
      Closest
      from $1,247
      Search flights

      Incheon International

      48km from central Seoul
      Cheapest
      from $1,105
      Search flights

      Redmond to Seoul: Flight information

      The things to know before you go.
      Cheapest flight found$1,105
      Cheapest month to flyAugust

      Finding cheap flights from Redmond to Incheon International: Frequently asked questions

      The best price we found for a round-trip flight from Redmond to Incheon International is $1,105. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      Currently, there are no airlines that fly direct from Redmond to Incheon International. But we found flights with one or more stops from $1,105.
      There are no flights flying from Redmond to Incheon International, as of August 2026.
      The cheapest month to fly from Redmond to Incheon International is usually August.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Redmond Airport to Incheon International Airport on Monday, August 31, 2026.
      No airlines currently offer direct flights between Redmond Airport and Incheon International Airport. Most routes have one or more stops.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Incheon International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Seoul is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, Delta offers the cheapest flight tickets to Incheon International.

      Traveling from Redmond Airport (RDM) to Incheon International Airport (ICN): what you need to know

      • Seoul's timezone is UTC+9, making Seoul 17 hours ahead of Redmond.

      • Your RDM to ICN flight won't wait if you're running late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

      • You can expect longer queues in popular months such as July. Arriving up to four hours in advance for an international flight and two hours for domestic departures is a smart move.

      • If you'd like to split up your journey, simply deselect 'Direct flights only' when searching for your ticket from Redmond Airport to Incheon International Airport. Here are the top stopovers between RDM and ICN:

        • Los Angeles International Airport

        • Seattle / Tacoma International Airport

        • San Francisco International Airport

      How to find the cheapest flights from Redmond Airport (RDM) to Incheon International Airport (ICN)

      • Right now, $580 is the cheapest price we've seen for a one-way Redmond Airport to Incheon International Airport flight. The best price for a return plane ticket is $1,105. Bear in mind that fares may change due to demand when booking.

      • Don't leave things to the last minute. You're more likely to get cheap tickets from RDM to ICN if you book in advance. Airlines often offer some terrific early bird rates.

      • The 'Whole month' tool shows you the cheapest flights from Redmond Airport to Incheon International Airport across every month. It's a good way to find a bargain if your plans aren't set in stone.

      • You don't need to check every day to find out if fares have gone down when you create a Price Alert. We'll notify you the moment a special offer becomes available on cheap flights from RDM to ICN.

      • Tailor your trip using filters. Pick your ideal arrival and departure times, airlines and total journey duration. You can also sort the results by 'Cheapest,' 'Fastest' or 'Best' flights from Redmond Airport to Incheon International Airport.

      Handy information about Redmond Airport (RDM)

      • 82% of flights departing from Redmond Airport land at their destination as planned. With its solid on-time performance, you're unlikely to face delays when jetting out of RDM.

      • Redmond Airport is around 6 kilometers from central Redmond. If you're catching a cab, ride-sharing or driving from the center, it'll take 10 minutes or so to get there, depending on the traffic.

      • Planning to catch public transport? You can expect a journey time of around 25 minutes.

      • Looking for a handy hotel near RDM? If you've booked an early flight from Redmond Airport to Incheon International Airport, these accommodation options will have you moments from your check-in counter:

      Arriving at Incheon International Airport (ICN)

      Getting from Incheon International Airport (ICN) to central Seoul

      • From Incheon International Airport, Seoul is approximately 48 kilometers away. It takes around 1 hour 5 minutes to drive to the center.

      • It'll take around 50 minutes when traveling by public transport.

      When to fly to Incheon International Airport (ICN)

      • August is the busiest month for flights from Redmond Airport to Incheon International Airport. To avoid the crowds, travel to Seoul in March.

      • Book your flight from Redmond Airport to Incheon International Airport for August if you want to explore Seoul during its warmest month. You can expect temperatures of between 19ºC (66ºF) and 32ºC (90ºF).

      • January has average temperatures of between -12ºC (10ºF) and 4ºC (39ºF). Look for cheap tickets from RDM to ICN sometime then if you want to travel in cooler conditions.

      Explore more of South Korea

      • You've seen Seoul, now it's time to discover other parts of South Korea. Travel about 322 kilometers south-east to Busan to tick off its must-visit sights. From Gamcheon Culture Village to Haeundae Beach and Beautiful View Busan - Diamond Bridge, there's plenty to keep you busy.

      • Incheon is another favorite destination in South Korea and is around 56 kilometers west of Seoul. No journey is complete without visiting INSPIRE Arena, Wangsan Beach and Seokmodo Natural Forest.

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.