$537 Cheap Flights from Seoul (ICN) to Redmond (RDM)

View $537 flight on Thu, Dec 18, 2025Opens in a new window

Popular airlines from Incheon Intl. Airport (ICN) to Redmond Municipal Airport (RDM)

Cheap Flights from Seoul to Redmond (ICN-RDM)

Prices were available within the past 7 days and start at $537 for one-way flights and $633 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Mar 17 - Mon, Mar 30
ICN
Seoul
RDM
Redmond
$633 Roundtrip, found 16 hours ago
$633
Roundtrip
found 16 hours ago
Select United flight, departing Tue, Mar 17 from Seoul to Redmond, returning Mon, Mar 30, priced at $633 found 16 hours ago
United
Tue, Mar 17 - Thu, Apr 2
ICN
Seoul
RDM
Redmond
$652 Roundtrip, found 16 hours ago
$652
Roundtrip
found 16 hours ago
Select United flight, departing Tue, Mar 17 from Seoul to Redmond, returning Thu, Apr 2, priced at $652 found 16 hours ago
Alaska Airlines
Sat, Feb 21 - Wed, Mar 4
ICN
Seoul
RDM
Redmond
$657 Roundtrip, found 16 hours ago
$657
Roundtrip
found 16 hours ago
Select Alaska Airlines flight, departing Sat, Feb 21 from Seoul to Redmond, returning Wed, Mar 4, priced at $657 found 16 hours ago
United
Mon, Mar 16 - Mon, Mar 30
ICN
Seoul
RDM
Redmond
$661 Roundtrip, found 16 hours ago
$661
Roundtrip
found 16 hours ago
Select United flight, departing Mon, Mar 16 from Seoul to Redmond, returning Mon, Mar 30, priced at $661 found 16 hours ago
United
Tue, Mar 17 - Sat, Apr 4
ICN
Seoul
RDM
Redmond
$668 Roundtrip, found 16 hours ago
$668
Roundtrip
found 16 hours ago
Select United flight, departing Tue, Mar 17 from Seoul to Redmond, returning Sat, Apr 4, priced at $668 found 16 hours ago
Alaska Airlines
Thu, Mar 19 - Sun, Apr 5
ICN
Seoul
RDM
Redmond
$670 Roundtrip, found 16 hours ago
$670
Roundtrip
found 16 hours ago
Select Alaska Airlines flight, departing Thu, Mar 19 from Seoul to Redmond, returning Sun, Apr 5, priced at $670 found 16 hours ago
United
Mon, Mar 16 - Thu, Apr 2
ICN
Seoul
RDM
Redmond
$673 Roundtrip, found 16 hours ago
$673
Roundtrip
found 16 hours ago
Select United flight, departing Mon, Mar 16 from Seoul to Redmond, returning Thu, Apr 2, priced at $673 found 16 hours ago
Hawaiian Airlines
Sat, Feb 28 - Fri, Mar 13
ICN
Seoul
RDM
Redmond
$689 Roundtrip, found 16 hours ago
$689
Roundtrip
found 16 hours ago
Select Hawaiian Airlines flight, departing Sat, Feb 28 from Seoul to Redmond, returning Fri, Mar 13, priced at $689 found 16 hours ago
Delta
Tue, May 5 - Sat, May 16
ICN
Seoul
RDM
Redmond
$1,288 Roundtrip, found 16 hours ago
$1,288
Roundtrip
found 16 hours ago
Select Delta flight, departing Tue, May 5 from Seoul to Redmond, returning Sat, May 16, priced at $1,288 found 16 hours ago
Korean Air
Thu, Dec 18 - Fri, Jan 2
ICN
Seoul
RDM
Redmond
$1,288 Roundtrip, found 10 hours ago
$1,288
Roundtrip
found 10 hours ago
Select Korean Air flight, departing Thu, Dec 18 from Seoul to Redmond, returning Fri, Jan 2, priced at $1,288 found 10 hours ago

Frequently asked questions

How much does a flight from Incheon Intl. Airport (ICN) to Robert's Field Airport (RDM) cost?
Lock in a cheap one-way flight from $537 or cheap return flight from $633 from Incheon Intl. Airport (ICN) to Robert's Field Airport (RDM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Incheon Intl. Airport (ICN) to Robert's Field Airport (RDM)?
Traveling in March is a great way to save, as it's the cheapest month for flights between ICN and RDM. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Incheon Intl. Airport (ICN) to Robert's Field Airport (RDM)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest ICN to RDM flight.
How many flights per day from Incheon Intl. Airport (ICN) to Robert's Field Airport (RDM)?
You'll have to book a flight with a layover when traveling from Incheon Intl. Airport (ICN) to Robert's Field Airport (RDM). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from ICN to RDM?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Incheon Intl. Airport (ICN) to Robert's Field Airport (RDM)?
Select a flight from Incheon Intl. Airport (ICN) to Robert's Field Airport (RDM) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Incheon Intl. Airport (ICN) to Robert's Field Airport (RDM) last-minute?
Booking your flight from ICN to RDM right before your journey is typically more expensive. However, if there's some wiggle room with your departure dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book an ICN to RDM flight and hotel package?
Securing an ICN to RDM flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Select from our impressive range of hotels and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Incheon Intl. Airport (ICN) to Robert's Field Airport (RDM)?
If you reserved your ICN to RDM flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more information.

Travel information

Origin airport
Incheon Intl.
Destination airport
Robert's Field
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Japan Airlines, Korean Air, United
Roundtrip price
$633
Distance
5389 mi

Book with confidence

Seoul to Redmond Flights

The cheapest times to fly from Seoul to Redmond

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seoul to Redmond are during the month of March. You can find some of the cheapest flights from Seoul to Redmond with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seoul to Redmond

Sunday is one of the best days to book for cheap flights from Seoul to Redmond: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seoul to Redmond

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seoul to Redmond in 2025. You can also book with separate airlines for your outbound and return journeys, from $537 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seoul to Redmond flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seoul to Redmond airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Seoul to Redmond Flights

Explore a world of travel with Expedia

*Available to One Key members.