Cheap Flights from Seattle to South Korea from $1,076

Cheapest flight ticket found	$1,076
Cheapest month to fly	September
Average flight time	12 hrs, 1 min
Places to go	14
Most popular airline	Delta
Average flights per week	57

Seattle to South Korea flight deals

Looking for a cheap last-minute deal or the best return flight from Seattle to South Korea? If you want to travel next month, return fares start from $1,076. Find the lowest prices on one-way and return flight tickets right here.

Seoul.$1,076 per passenger.Departing Mon, 21 Sep, returning Mon, 28 Sep.Return flight with Cathay Pacific.Outbound indirect flight with Cathay Pacific, departs from Seattle / Tacoma International on Mon, 21 Sep, arriving in Incheon International.Inbound indirect flight with Cathay Pacific, departs from Incheon International on Mon, 28 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,076, select.

Jeju.$1,121 per passenger.Departing Wed, 7 Apr, returning Mon, 19 Apr.Return flight with Cathay Pacific.Outbound indirect flight with Cathay Pacific, departs from Seattle / Tacoma International on Wed, 7 Apr, arriving in Jeju.Inbound indirect flight with Cathay Pacific, departs from Jeju on Mon, 19 Apr, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,121, select.

Busan.$1,122 per passenger.Departing Tue, 15 Sep, returning Mon, 21 Sep.Return flight with Cathay Pacific.Outbound indirect flight with Cathay Pacific, departs from Seattle / Tacoma International on Tue, 15 Sep, arriving in Gimhae International.Inbound indirect flight with Cathay Pacific, departs from Gimhae International on Mon, 21 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,122, select.

Daegu.$1,718 per passenger.Departing Fri, 28 Aug, returning Wed, 2 Sep.Return flight with Korean Air.Outbound indirect flight with Korean Air, departs from Seattle / Tacoma International on Fri, 28 Aug, arriving in Daegu.Inbound indirect flight with Korean Air, departs from Daegu on Wed, 2 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,718, select.

Yeosu.$2,328 per passenger.Departing Mon, 17 May, returning Sun, 30 May.Return flight with Asiana Airlines.Outbound indirect flight with Asiana Airlines, departs from Seattle / Tacoma International on Mon, 17 May, arriving in Yeosu.Inbound indirect flight with Asiana Airlines, departs from Yeosu on Sun, 30 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $2,328, select.

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Flights from Seattle to South Korea FAQs

What is the cheapest flight to South Korea from Seattle?

The cheapest flight from Seattle to South Korea costs $1,076.

Explore the different prices of flights from Seattle to South Korea and find the best option for you.

When is it the cheapest time to fly from Seattle to South Korea?

The cheapest month to fly from Seattle to South Korea is September. See if any of these flights in September suit you.

What is the cheapest Seattle to South Korea flight route?

We've taken a look at the year ahead using our flights calendar. The cheapest flight route from Seattle to South Korea is Seattle to Incheon International. You can buy a ticket to fly this route from $1,076.

Take a look at Seattle to Incheon International flights.

How long is the flight from Seattle to South Korea?

The average flight time from Seattle to South Korea is 12 hours and 1 minute.

What is the cheapest airline that flies to South Korea from Seattle?

Looking at the year ahead, the cheapest airline flying to South Korea from Seattle is Cathay Pacific.

Explore Cathay Pacific flight ticket options today.

If this airline doesn't suit you, the second cheapest airline is Korean Air.

Cheapest flights to South Korea from Seattle

How to find cheap flights from Seattle to South Korea

Book a return flight from Seattle to South Korea starting at $1,076, the cheapest price currently available.
That fare will take you from Seattle to Incheon International in Seoul.
For one-way travel, the lowest price right now is $495.
Willing to go wherever the best deals are? Enter 'South Korea' in the 'To' field to discover the lowest fares across different cities.
There are plenty of ways to arrive in South Korea, with roughly five airports to choose from.
Expand your search by selecting 'Add nearby airports.' This will compare prices across the closest airports at both your departure and destination points, which could help you cut costs.
Book as soon as you can. You'll have more airlines, times and routes to choose from. Leave it late and you're likely to be left with limited options and higher costs.
Stay one step ahead of every fare change. Download the Skyscanner app, create a Price Alert, and we'll send you updates when prices rise or drop.

Best time to fly from Seattle to South Korea

If budget is a priority, September is usually the cheapest month to hop on a flight from Seattle to South Korea.
In general, a midweek flight is a smart way to save. Tuesdays and Wednesdays often mean cheaper fares.
The height of the travel season in South Korea runs through April, August and September. April is the most popular month and the perfect time to visit if you want to catch everything in full swing.
Alternatively, avoid the peak season rush by searching for flights in February, March and June. Out of these low season months, March is the quietest.

Flights from Seattle to South Korea: what to expect

You can choose from Seattle / Tacoma International Airport (SEA) or Seattle Lake Union SPB Airport (LKE) when planning your departure from Seattle.
From Seattle, you can fly nonstop to at least one airport in South Korea.
Roughly 23 direct flights link Seattle with destinations around South Korea every week.
The main airlines operating on this route are:
Seoul is one of the most popular routes from Seattle to South Korea.
Across all routes, the average journey takes around 11 hours 55 minutes.

Popular places to visit in South Korea

Seoul

A leading destination for Seattle to South Korea flights, Seoul takes the top spot on any travel itinerary. From Gyeongbokgung Palace and Bukchon Hanok Village to N Seoul Tower, the must-sees stack up quickly.
You can travel to Seoul through Incheon International Airport (ICN) or Gimpo International Airport (GMP).
When you're ready to find a place to lay your head, explore the range of hotels in Seoul.

Jeju

The biggest draws in this Jeju Province city include Hamdeok Beach, Cherry blossom tunnel and Seoubong Trail.
Jeju Airport (CJU) is the city's main airport.
Explore hotels in Jeju and find a stay that fits your plans.

Busan

Gamcheon Culture Village, Haeundae Beach and Oryukdo Skywalk are major sights you'll want to see in Busan.
Gimhae International Airport (PUS) is the city's main airport, with routes linking it to popular destinations throughout the region and beyond.
Hunt down a deal on where you'll stay by checking out the list of hotels in Busan.

Visiting South Korea for the first time? Here's what you need to know

Entry rules can vary depending on your passport, travel plans and length of stay, so check before you go. Airlines and official embassy sites will have reliable advice on visas or any other documentation you may need.
The South Korean won (KRW) is the main currency.
Seoul is the capital of South Korea, which has a population of around 52 million.
This destination has one standard time zone of UTC+9.
The weather can influence everything from sightseeing to packing, so choose your season wisely. August is South Korea's warmest month.
Time your visit for around January if you prefer to be there when it's cooler.
Rain is more common in July, while February is typically drier.
The Boryeong Mud Festival, the Seoul Lantern Festival and the Andong Mask Dance Festival are among the biggest events here. Think about booking your Seattle to South Korea flight around moments like these for a different travel experience.

Complete your trip with hotels and a car rental

With your cheap flight from Seattle to South Korea booked, it's time to plan what comes next. Find the best prices and places to suit every budget across hotels in South Korea. You can also browse car rental options in South Korea and compare deals from top providers in seconds.

South Korea hotels and car hire

Did you know we can help you plan the rest of your trip from Seattle to South Korea? Get exclusive deals and great rates for hotels and car hire in South Korea.