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$326 Find cheap flights from South Korea to Seattle

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Seattle departing on 5/16. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Sa 6/1
Sa 6/8

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These are the airlines KAYAK users have selected most often from within our search results for flights to Seattle
These are the airlines KAYAK users have selected most often from within our search results for flights to Seattle
In the last 7 days travelers have searched 43,740,974 times on KAYAK, and here is why:

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Flights to Seattle - Travel Insights & Trends

Get data-powered insights and trends for flights to Seattle to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest day to fly to Seattle?

The average price of all flights to Seattle clicked on KAYAK for each day over the last 12 months.
Based on KAYAK data, the cheapest day to fly to Seattle is Monday where tickets can be as cheap as $1,134. On the other hand, the most expensive day to fly is Saturday, where prices are $1,571 on average.

What is the cheapest month to fly to Seattle?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights to Seattle, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights to Seattle is November, where tickets cost $1,087 on average for one-way flights. On the other hand, the most expensive months are August and July, where the average cost of tickets from South Korea is $2,069 and $1,754 respectively. For return trips, the best month to travel is October with an average price of $1,017.

What is the cheapest time of day to fly to Seattle?

The average price for all flights to Seattle depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.
The cheapest time of day to fly to Seattle is generally in the morning, when flights cost $931 on average. The most expensive time of day to fly to Seattle is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $1,429.

What is a good deal for flights to Seattle?

If you’re looking for cheap airfare to Seattle, 25% of our users found tickets to Seattle for the following prices or less: From Incheon Intl Airport $753 one-way - $1,121 round-trip.

How far in advance should I book a flight to Seattle?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights to Seattle, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price, you should book around 0 weeks before departure. For the absolute cheapest price, our data suggests you should book 34 days before departure.

Which airlines fly to Seattle?

Korean Air, Delta, and Asiana Airlines are commonly used to fly to Seattle from South Korea. See the amount of flights per week for popular airlines flying to Seattle.

Which airline offers the most flights to Seattle?

Of the 10 airlines that fly to Seattle, Alaska Airlines offers the most flights, with around 3,381 per week, followed by Delta with 1,026 flights per week.

How long is the flight to Seattle?

The duration of your flight to Seattle depends on your departure and arrival airports. Obviously any flights that include a layover will also be longer. The most popular routes to Seattle on KAYAK are from Incheon, which takes 10h 15m, Busan, which takes 15h 30m, and Seoul, which takes 18h 30m.

How many direct flights to Seattle are there each day?

There are around 734 direct flights from within South Korea to Seattle every day. Most flights depart in the morning, with 7:00 am the most common departure time and 45% of flights departing in the morning.

How many direct flights to Seattle are there each week?

Each week there are around 5,133 direct flights from within South Korea to Seattle. The most common day for departures is Sunday, with 15% of flights taking off on this day.

How many long-haul flights are there to Seattle each week?

There are not any medium-haul (3-6 hour flight duration) or short-haul (up to 3 hour flight duration) flights to Seattle. Instead, there are 28 long-haul flights (6-12 hour flight duration), with the most arriving from Seoul.

How many cities have direct flights to Seattle?

From South Korea, there are direct flights to Seattle from 1 city. This city is Seoul and there are 28 direct flights each week.

Good to know

Low season

February

High season

September

Cheapest flight

$326
Best time to beat the crowds with an average 12% drop in price.
Most popular time to fly with an average 2% increase in price.
Flight from Seoul Incheon Airport to Seattle

FAQs - booking Seattle flights

  • How far is Seattle from central Seattle?

    There are 11 miles between Seattle city center and Seattle.

  • What is the name of Seattle’s airport?

    When flying to Seattle, you'll arrive at Seattle (SEA). The airport is also known as Seattle-Tacoma Intl, Seattle/Tacoma, or Seattle/Tacoma Intl.

  • How much is a flight to Seattle?

    On average, a flight to Seattle costs $1,009. The cheapest price found on KAYAK in the last 2 weeks cost $660 and departed from Incheon Intl Airport.

  • How does KAYAK find such low prices on flights to Seattle?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to Seattle.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to Seattle?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights to Seattle?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to Seattle?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding cheap flights to Seattle

  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Seattle flight deals.

Prefer to fly non-stop to Seattle/Tacoma Intl?

Find which airlines fly direct to Seattle/Tacoma Intl, which days they fly and book direct flights.

Nonstop departures

South Korea to Seattle/Tacoma Intl

Monday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Tuesday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Wednesday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Thursday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Friday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Saturday

ANA, Aer Lingus, Aeromexico, +62 more

ANA, Aer Lingus, +63 more

Sunday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

See more direct flights

Nonstop returns

Seattle/Tacoma Intl to South Korea

Monday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Tuesday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Wednesday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Thursday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Friday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Saturday

ANA, Aer Lingus, Aeromexico, +62 more

ANA, Aer Lingus, +63 more

Sunday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

See more direct flights
See more direct flights

Top 5 airlines serving from South Korea to Seattle

 
See real verified KAYAK customer reviews for airlines flying to Seattle. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline from South Korea to Seattle. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with to Seattle? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.5
Korean AirOverall score based on 1185 reviews
8.8Crew
8.2Entertainment
8.6Boarding
8.2Food
8.3Comfort
Airline reviews

The flight crews were extremely professional helpful and courteous. Departure and arrival times were accurate. No delay. Thanks

10.0 ExcellentAnonymous, Apr 2024ICN - SGN
Read more about Korean Air reviews

The flight crews were extremely professional helpful and courteous. Departure and arrival times were accurate. No delay. Thanks

Not very comfortable seated in the back plane due to turbulence

Everything about Korean air is great, hands down! Will always prefer this airline from other carriers.

Ford not that great the seat not to big for leg room like other airline

On time and flight crew are always so happy to help and always smiling unlike other airlines.

Crew was ok, but some passengers were a bit rude. Again, all outlets were not working, only the really slow charging usb plug on the entertainment system. Entertainment system was also bugged, some features just crash, the touch screen wasn't working and when trying to watch a movie the onscreen display kept flashing off and on making it very difficult to watch.

New plane. Perfect gluten free meal Very flawless procedures from check-in to the landing. Taking off on time and landing even earlier and the luggages are already there after shortest arrival report.

It was ok. Not good and not a bad experience

not too bad but not too great either. Service on all airlines declined ever since covid. Your Delta Stewardess are not that friendly at all. :-(

I like your stewardess, they are nice. However, your food could have been better and wheres your dessert? You do not offer beer or scotch. I do not drink alcohol biut my husband can have one or two, he has to ask if he can have one. during dinner or lunch, it should be offerred. Also, you do not have the most famous drinks ginger ale

Staff and crew are wonderful, professional and courteous. Meal is delicious and snacks can be improved. Entertainment needs improvement, pls update selections of movies. I appreciate that our flight was on time

I flew economy class so of course it’s not as roomy as business and first class. But overall it was ok and the seat had an interesting way to recline — the seat itself extended forward instead of the backrest. This way the person sitting behind me would not lose space by my reclining—excellent concept. I wish all airlines used these seats.

The space for the seats i like it. Its not too close like other air line. The food is ok and also the staff. I'm waiting for my flight rewards point because until now i didn't recieved it.

Flying with ANA is always a breeze. Seats are very comfortable.

The staff, ground and air, at ANA was very helpful and friendly during check in, boarding and during the flight. This is the reason why I always fly ANA whenever I go to Manila. The food was not the best but the flight crew more than makes up for the shortfall.

For the price of a seat that is obviously crammed together so as to get many more people onboard and combined with the long flight duration, Free WiFi should be an automatic “Thank You for Flying with Us!” To charge an additional fee when so many other businesses offers it is a bit “cheap” on the airline’s part.

Food was high quality. Crew was extremely professional, polite, attentive. Flights were on time. Plane had good media tech.

It was ok I thought because my flight was 1pm i was expecting to have lunch but it didn’t and after 7 hr finally dinner time was only chicken sandwich and next breakfast was an hour before plane land in Tokyo. so I should bring some food with me. Japanese flight attend was nice but the other was chewing gum and how she ask and respond to customers was not professional I felt. Maybe because Japan flight attendant is highly train and everyone looked very dress and professional so I was kind disappointed. I like that the bathroom was very clean .

It was very good. Lots of room with superior food and service. I will not hesitate to fly ANA in the future!

Lovely airport at Haneda. Great food selection. Spacious and private boarding area with dedicated bathroom for each gate.

Staff was excellent. Food could use more variety. -More vegetable options. Menu didn't have juice or soda listed. -The croissants were outstanding!

Asian Vegitarian food was test less No Salt or pepper served Need to improve with Chef who can caters for Peaple from India I am sure Chef knows different varieties of food Indian People like

The flight attendant, where kind of rude, there where hiding for almost 3 hours, without doing rounds to see if people needed water or pickup the water cups, the toilets were full of water cups, because they never come back to pick them up.

Flew on an Airbus 350-900. Excellent aircraft properly cleaned and serviced. Flight crew was excellent plane departed and arrived on time. The A350 has excellent air circulation far better than the 777. I would recommend Asiana to anyone looking to fly in a clean comfortable environment. This is my second round trip flight from New York to Bangkok via Asiana and I will book Asiana again!

Amazing service and fabulous syaff. Loved the jumbo jet too, comfortable.

The entertainment screens are dated and needs to be changed to new screens. Then when we got home, I found out 2 of our luggage’s were damaged (huge) and some items stolen.

JetBlue's check-in was great, but there was an in-flight attendant who was very rude and unkind. I didn't realize that the bathrooms were already locked 30 mins prior to landing and needed to use the restroom. Instead of politely asking me to return, she rudely told me, 'NO, bathrooms are locked! Go back to your seat!' The JetBlue flight was more than an hour delay, which made me almost miss my connecting flight with Asiana. I understand the reasoning, but the action they took to get a hold of maintenance was time consuming. It took them more than 30 mins to get a hold of maintenance and for maintenance to get started. The Asiana flight and crew were wonderful, in general. They waited for us who were delayed from the previous flight before they took off and were very kind to take my checked baggage's info. Seats were a little uncomfortable for such long flight, but service and flight attendants were great! However, my 3 checked baggages are missing! They're lost somewhere in the transition. I'm writing this review 3 days after my arrival to the Philippines, and my 3 checked baggages, where my wedding dress is, are all still missing! I and the CEB airport crew have sent multiple emails to both JetBlue and Asiana, and neither has responded to any of our emails. Although, I was able to get in contact with JetBlue's Interline Department who confirmed that the bags were turned over to Asiana without confirmation details.

The full flat bed was not that comfortable, hard and lumpy., too much space wasted with those bulky walls and divisions instead of making the bed 3-4 inches wider. The compartment where you put your feet is like a shoebox, poor design. Toilets of A350 are just too small, sink is too small

Airfare was ok . Food not good , seat ok but not comfortable. Lay over too long , crew was ok Overall just ok

The crew was amazing and really nice. The OS on the entertainment system could use an update, though. It felt old and outdated but had anything you'd need to keep busy. I usually never use it anyways, but that did stand out.

Delta is one of the best airlines I have flown

It was a Red-Eye flight so was not comfortable enough to sleep, but seat was as expected. Crew was great and in-flight entertainment was excellent. Flight was smooth

Standard economy seats on Deltas 767 were better than Alaska premium seats on their 737 MAX9; more legroom, wider seats. Entertainment was great, no ipad or phone required. Could have included a meal service.

Plane was turned around due to fog half way into the flight, Delta did not properly direct passengers to stay on same flight and instead failed to properly rebook on Alaska

The boarding process was terrible especially with an indirect flight Chicago to Seattle to San Diego was terrible talking about we overbooked a flight idk if I’d take this airline ever again we got off our flight from Chicago to Seattle and we traveled for business and they told us our connecting flight was over booked and their was no seats asking people to take a delayed next flight and they don’t tell anyone coughing to wear masks seats 30A-B were terrible during the flight no one wants to sit next to people coughing all around I don’t want to be sick traveling for work or get sick anytime it’s very upsetting the staff doesn’t take this stuff serious to tell them to wear masks when they see people coughing and sneezing

Flight was on time, the crew was personable & professional, & the plane arrived early which was nice.

This flight landed early, but deplaned late. We were stuck sitting and waiting for a gate for over an hour

My flight was very clean and the location was comfortable. The service was great. A satisfying flight!

I appreciated being upgraded. I was very disappointed with my 13 hr layover in Seattle to geg, while my friends who flew Alaska made it home as scheduled. I had to reserve a hotel on my dime.

Delta needs to step up the meals and snacks. They have been serving the same two meals for three years.... It is time to change it up.

The experience was generally above average. The only downside was the absence of WiFi during my flight from Vancouver to San Francisco.

I was appalled to have to pay for just a regular seat when I went to book 24 hrs before my flight! Because it was only an hour flight I didn’t choose a seat from Grand Junction to Denver, but I did for Toronto and had to pay just to choose a regular available seat! In my 60+ years of flying this was the first time I have heard of this. Also, allowing people to bring on “huge “ suitcases, not carry on size, but much bigger, and then a large pack pack stuffed. So they take up all the room in the overhead bins and if we are later boarding, there is no room so we have to check our small carry on. I have already paid for and checked in one bag! I certainly will not choose to fly with United again unless it is the “only” airline available!

on demand entertainment in seat back awesome Check in Kiosk too demanding with endless demand for more information information then says go to counter. Counter agent unfriendly. Do it yourself check in luggage procedure not intuitive, upset employees frustrated the whole procedure.

It was an excellent experience, traveling from Toronto to Denver with United.

Ontime boarding. Almost 1 hour take off delay. We could have boarded slightly later since the pilots were in traffic

Flight was delayed, I had to put my luggage all the way in the back! They served only a beverage no snack on the way in Air Canada, definitely not a good first impression.

Fresh fuit or veg snacks would be so great, but there are two good restaurants in Denver airport. Try Etais UDIS or Freshens DIA for nutritious delicious pita sandwiches/ donairs and crepes in Freshens.

Crowded plane but it flew on time and had friendly staff

Headphones for the movies have too much bass and can't be adjusted. Almost impossible to hear. Great movie selections but can't really watch them because you can't hear them. Also the system is very slow.

This was the first AC flight in a long time that we experienced no delays or frustrations. The gate attendant was extremely polite and accommodating to my husband who has Parkinson’s disease which made boarding extremely stress free. Flight departed ON TIME and was a smooth ride. If only all my AC experiences could be like this.

Book cheap flights from South Korea to Seattle

Recent round-trip flight deals

 
These are the cheapest round-trip flights to Seattle found on KAYAK in the last 72 hours.
9/19Do
1 stopAmerican Airlines
21h 32mICN-SEA
9/30Mo
2 stopsAmerican Airlines
28h 15mSEA-ICN
$523
9/19Do
2 stopsAmerican Airlines
22h 34mICN-SEA
9/30Mo
2 stopsAmerican Airlines
28h 15mSEA-ICN
$531
9/23Mo
1 stopANA
34h 30mGMP-SEA
10/14Mo
1 stopANA
26h 25mSEA-GMP
$809
9/23Mo
2 stopsANA
30h 19mGMP-SEA
10/14Mo
2 stopsANA
23h 19mSEA-GMP
$820
9/24Di
nonstopAsiana Airlines
10h 30mICN-SEA
12/22So
nonstopAsiana Airlines
12h 00mSEA-ICN
$982
5/21Di
nonstopAsiana Airlines
10h 30mICN-SEA
8/15Do
nonstopAsiana Airlines
11h 25mSEA-ICN
$985
10/3Do
nonstopKorean Air
10h 05mICN-SEA
10/17Do
nonstopKorean Air
11h 40mSEA-ICN
$1,025
9/9Mo
nonstopKorean Air
10h 05mICN-SEA
9/23Mo
nonstopKorean Air
11h 40mSEA-ICN
$1,030
10/29Di
1 stopDelta
15h 30mPUS-SEA
11/1Fr
2 stopsDelta
31h 30mSEA-PUS
$1,190
10/29Di
1 stopDelta
15h 30mPUS-SEA
11/1Fr
2 stopsDelta
31h 30mSEA-PUS
$1,191

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Recent one-way flight deals

 
Only flying one-way? Below are some of the best deals for one-way flights to Seattle found on KAYAK in the last 72 hours.
5/16Do
1 stopAmerican Airlines
19h 39mICN-SEA
$326
5/13Mo
1 stopAmerican Airlines
19h 39mICN-SEA
$327
9/20Fr
1 stopAmerican Airlines
21h 32mICN-SEA
$328
6/4Di
3 stops
39h 57mICN-SEA
$372
5/31Fr
2 stops
49h 55mICN-SEA
$418
6/30So
2 stopsAsiana Airlines
18h 55mPUS-SEA
$771
6/29Sa
2 stopsAsiana Airlines
21h 15mPUS-SEA
$773
9/24Di
1 stopANA
17h 45mGMP-SEA
$874
9/23Mo
1 stopANA
22h 45mGMP-SEA
$929
6/4Di
1 stopDelta
23h 00mPUS-SEA
$2,293

Search by stops

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Last minute flights to Seattle

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights to Seattle that are departing in the next 10 days.
5/5So
multi-stopAmerican Airlines
39h 32mICN-SEA
5/12So
multi-stopAmerican Airlines
40h 15mSEA-ICN
$802
5/4Sa
multi-stopUnited Airlines
35h 17mICN-SEA
5/9Do
multi-stopUnited Airlines
30h 36mSEA-ICN
$899
5/7Di
nonstopAsiana Airlines
10h 30mICN-SEA
5/8Mi
nonstopAsiana Airlines
11h 25mSEA-ICN
$1,033
5/7Di
multi-stopANA
34h 30mGMP-SEA
5/15Mi
multi-stopANA
33h 55mSEA-GMP
$1,034
5/7Di
nonstopAsiana Airlines
10h 30mICN-SEA
5/21Di
nonstopAsiana Airlines
11h 25mSEA-ICN
$1,043
5/7Di
multi-stopANA
23h 43mGMP-SEA
5/15Mi
multi-stopANA
33h 55mSEA-GMP
$1,056
5/7Di
nonstopKorean Air
10h 35mICN-SEA
5/28Di
multi-stopKorean Air
17h 44mSEA-ICN
$1,132
5/6Mo
nonstopKorean Air
10h 35mICN-SEA
5/20Mo
nonstopKorean Air
12h 05mSEA-ICN
$1,185
5/3Fr
multi-stopDelta
17h 26mICN-SEA
5/9Do
multi-stopDelta
22h 40mSEA-ICN
$1,426
5/4Sa
nonstopDelta
10h 35mICN-SEA
5/8Mi
multi-stopDelta
22h 40mSEA-ICN
$1,476

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Flights to Seattle

Destination:

Seattle (SEA)United States

Return flight deals:

Seattle - South Korea

Cabin classes:

$2,292
$3,894
$2,038
$770

Popular routes

The most searched flights to Seattle by KAYAK users.