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Flights from Seoul to Seattle
What to know about flights from Seoul to Seattle?
The distance between Seoul and Seattle is approximately 8,341.99 km. It takes around 10 hours 10 minutes on average to fly from Seoul to Seattle. Based on Trip.com's data, travel demand peaks in July. The cheapest month to book is December.
Cheapest one-way
$394
Air Canada
SEL-SEA
32h 7m · 1 stop
Tue, Oct 6
Cheapest round-trip
$639
Air Canada
SEL-SEA
16h 27m · 2 stops
Mon, Nov 2 - Fri, Nov 6
Recommended airlines
When to travel
June
Cheapest
July
Peak season for travel
Route details
8,341.99 km
Flight distance
10h 10m
Average flight time
How can I find cheap flights from Seoul to Seattle?
Explore the cheapest one-way and round-trip flights from Seoul to Seattle over the next 90 days, with one-way fares from $394 and round-trip from $639. Based on Trip.com's latest 7-day flight data.
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One way
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Round-trip
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Cheapest nonstop
ICN 9:20 PM9h 55mNonstopSEA 3:15 PMSeoul - Seattle | Mon, Oct 5 | Asiana Airlines
SEA 12:10 AM12h 20mNonstopICN 4:30 AMSeattle - Seoul | Wed, Oct 7 | Asiana Airlines
Price detailsDepartureICN-SEAEconomy class
Included
In-flight meals are availableUSB port and power outletReturnSEA-ICNEconomy class
Included
In-flight meals are availableUSB port and power outlet$761 $99223% off23% off$992 $761 -
ICN 9:20 PM9h 55mNonstopSEA 3:15 PMSeoul - Seattle | Mon, Oct 12 | Asiana Airlines
SEA 12:10 AM12h 20mNonstopICN 4:30 AMSeattle - Seoul | Wed, Oct 14 | Asiana Airlines
Price detailsDepartureICN-SEAEconomy class
Included
In-flight meals are availableUSB port and power outletReturnSEA-ICNEconomy class
Included
In-flight meals are availableUSB port and power outlet$783 $99221% off21% off$992 $783
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ICN 6:55 PM16h 27m1 stopSEA 6:22 PMSeoul - Seattle | Mon, Nov 2 | Air Canada
SEA 8:40 AM15h 30m1 stopICN 5:10 PMSeattle - Seoul | Fri, Nov 6 | Air Canada
Price detailsDepartureICN-YVREconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletYVR-SEAEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletReturnSEA-YVREconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletYVR-ICNEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outlet$639 $99236% off36% off$992 $639 -
ICN 6:55 PM31h 32m1 stopSEA 9:27 AMSeoul - Seattle | Thu, Nov 5 | Air Canada
SEA 8:40 AM15h 30m1 stopICN 5:10 PMSeattle - Seoul | Mon, Nov 9 | Air Canada
Price detailsDepartureICN-YVREconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletYVR-SEAEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletReturnSEA-YVREconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletYVR-ICNEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outlet$64635% off$992 $646
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ICN 6:55 PM12h 42m1 stopSEA 2:37 PMSeoul - Seattle | Wed, Nov 4 | Air Canada
SEA 8:40 AM15h 30m1 stopICN 5:10 PMSeattle - Seoul | Sun, Nov 8 | Air Canada
Price detailsDepartureICN-YVREconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletYVR-SEAEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletReturnSEA-YVREconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletYVR-ICNEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outlet$66533% off$992 $665
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ICN 12:45 PM16h 35m1 stopSEA 12:20 PMSeoul - Seattle | Tue, Nov 3 | United Airlines
SEA 7:27 PM27h 48m1 stopICN 4:15 PMSeattle - Seoul | Sat, Nov 7 | United Airlines
Price detailsDepartureICN-SEA
Included
ReturnSEA-ICN
Included
$69230% off$992 $692 -
ICN 7:30 AM28h1 stopSEA 6:30 PMSeoul - Seattle | Mon, Nov 2 | Philippine Airlines
SEA 9:30 PM28h 40m1 stopICN 7:10 PMSeattle - Seoul | Fri, Nov 6 | Philippine Airlines
Price detailsDepartureICN-MNLEconomy class
Included
In-flight meals are availableUSB port and power outletMNL-SEAEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletReturnSEA-MNLEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletMNL-ICNEconomy class
Included
In-flight meals are availableUSB port and power outlet$70828% off$992 $708 -
ICN 5:45 PM12h 37m1 stopSEA 2:22 PMSeoul - Seattle | Tue, Oct 13 | Air Canada
SEA 7:20 PM28h 45m1 stopICN 4:05 PMSeattle - Seoul | Thu, Oct 15 | Air Canada
Price detailsDepartureICN-SEA
Included
ReturnSEA-ICN
Included
$72927% off$992 $729
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ICN 7:20 AM28h 45m1 stopSEA 8:05 PMSeoul - Seattle | Sun, Oct 11 | Philippine Airlines
SEA 11:10 PM28h 5m1 stopICN 7:15 PMSeattle - Seoul | Tue, Oct 13 | Philippine Airlines
Price detailsDepartureICN-SEA
Included
ReturnSEA-ICN
Included
$73026% off$992 $730
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ICN 1:30 PM22h1 stopSEA 6:30 PMSeoul - Seattle | Thu, Nov 5 | Philippine Airlines
SEA 9:30 PM28h 40m1 stopICN 7:10 PMSeattle - Seoul | Mon, Nov 9 | Philippine Airlines
Price detailsDepartureICN-MNLEconomy class
Included
In-flight meals are availableMNL-SEAEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletReturnSEA-MNLEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletMNL-ICNEconomy class
Included
In-flight meals are availableUSB port and power outlet$73426% off$992 $734
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ICN 7:20 AM28h 45m1 stopSEA 8:05 PMSeoul - Seattle | Tue, Oct 13 | Philippine Airlines
SEA 11:10 PM28h 5m1 stopICN 7:15 PMSeattle - Seoul | Thu, Oct 15 | Philippine Airlines
Price detailsDepartureICN-SEA
Included
ReturnSEA-ICN
Included
$73526% off$992 $735
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ICN 7:20 AM28h 45m1 stopSEA 8:05 PMSeoul - Seattle | Sun, Sep 20 | Philippine Airlines
SEA 11:10 PM28h 5m1 stopICN 7:15 PMSeattle - Seoul | Tue, Sep 22 | Philippine Airlines
Price detailsDepartureICN-MNLEconomy class
Included
In-flight meals are availableUSB port and power outletMNL-SEAEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletReturnSEA-MNLEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletMNL-ICNEconomy class
Included
In-flight meals are available$73926% off$992 $739
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SEL 1:00 PM17h 25m1 stopSEA 2:00 PMSeoul - Seattle | Thu, Sep 10 | Normal Airline
SEA 3:00 PM6hNonstopSEL 4:00 PMSeattle - Seoul | Sat, Sep 12 | Normal AirlineFind more flightsFind more flights
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Cheapest nonstopICN 9:20 PM9h 55mNonstopSEA 3:15 PMSeoul - Seattle | Tue, Oct 6 | Asiana Airlines
Price detailsICN-SEAEconomy classIn-flight meals are availableUSB port and power outlet$425 $63133% off33% off$631 $425
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ICN 5:45 PM32h 7m1 stopSEA 9:52 AMSeoul - Seattle | Tue, Oct 6 | Air Canada
Price detailsICN-YVREconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outletYVR-SEAEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outlet$394 $63138% off38% off$631 $394
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ICN 8:30 PM39h 35m1 stopSEA 8:05 PMSeoul - Seattle | Tue, Sep 29 | Philippine Airlines
Price detailsICN-MNLEconomy classIn-flight meals are availableUSB port and power outletMNL-SEAEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outlet$432 $63132% off32% off$631 $432
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ICN 7:20 AM28h 45m1 stopSEA 8:05 PMSeoul - Seattle | Tue, Oct 6 | Philippine Airlines
Price detailsICN-MNLEconomy classIn-flight meals are availableUSB port and power outletMNL-SEAEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outlet$44528% off$631 $445
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ICN 4:50 PM35h 33m1 stopSEA 12:23 PMSeoul - Seattle | Tue, Oct 6 | United Airlines
Price detailsICN-SFOEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outletSFO-SEAEconomy classWi-Fi (additional charge)USB port and power outlet$44728% off$631 $447
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ICN 8:30 PM39h1 stopSEA 6:30 PMSeoul - Seattle | Sun, Nov 1 | Philippine Airlines
Price detailsICN-MNLEconomy classIn-flight meals are availableUSB port and power outletMNL-SEAEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outlet$48323% off$631 $483
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ICN 8:30 PM39h1 stopSEA 6:30 PMSeoul - Seattle | Sat, Oct 31 | Philippine Airlines
Price detailsICN-MNLEconomy classIn-flight meals are availableUSB port and power outletMNL-SEAEconomy class$48323% off$631 $483
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ICN 7:30 AM28h1 stopSEA 7:30 PMSeoul - Seattle | Thu, Oct 29 | Philippine Airlines
Price detailsICN-MNLEconomy classIn-flight meals are availableUSB port and power outletMNL-SEAEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outlet$49322% off$631 $493
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ICN 9:40 PM27h 25m1 stopSEA 8:05 AMSeoul - Seattle | Wed, Nov 4 | Hainan Airlines
Price detailsICN-HAKEconomy classIn-flight meals are availableUSB port and power outlet$49621% off$631 $496 -
ICN 11:00 PM23h1 stopSEA 6:00 AMSeoul - Seattle | Wed, Oct 14 | Scoot
Price detailsICN-TPEEconomy classWi-Fi (additional charge)USB port and power outletTPE-SEAEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outlet$49821% off$631 $498 -
SEL 1:00 PM17h 25m1 stopSEA 2:00 PMSeoul - Seattle | Thu, Sep 10 | Normal AirlineFind more flightsFind more flights
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Flight.News
Flights from Seoul to Seattle operate an average of 8 times per day over the past 7 days, with a 30.8% on-time departure rate and a 91.5% on-time arrival rate.
Which airlines are the most popular for Seoul to Seattle flights?
The most popular airlines flying from Seoul to Seattle are Asiana Airlines, Korean Air, and Philippine Airlines, among 8 carriers on this route. Air Canada offers the lowest fares. Based on Trip.com's flight booking data from the previous 12 months.
Asiana Airlines
Korean Air
Philippine Airlines
Delta Air Lines
Alaska Airlines
Air Canada
EVA Air
China Airlines
Airlines are determined based on actual purchased flight tickets from Seoul to Seattle according to previous 12 months data from Trip.com.
Trip.com price insights on flights from Seoul to Seattle
Which month has the cheapest one-way flights from Seoul to Seattle?
Based on Trip.com’s data, the cheapest month for flights from Seoul to Seattle is June, with an average price of $536; while the month with the highest flight price is usually January, with an average price of up to $1,180.
$1,180
$858
$536
$214
What is the cheapest month for round-trip flights from Seoul to Seattle?
According to historical data from Trip.com, the lowest prices for flights from Seoul to Seattle are found during November, with an average price of $527. Conversely, the highest prices are found during August, with an average price of up to $1,352.
$1,352
$940
$527
$115
Frequently Asked Questions
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What are the cheapest flights from Seoul to Seattle (SEL-SEA)?
Based on Trip.com data, Air Canada offers one-way fares as low as $394 on Cheapest nonstop routes (e.g. ICN to SEA on Tue, Oct 6), while Air Canada offers Cheapest nonstop round-trips from $639 departing on Mon, Nov 2 and returning on Fri, Nov 6. -
Which airlines offer direct flights from Seoul to Seattle?
At the moment, you can catch a nonstop flight from Seoul to Seattle with the following airlines, including: Asiana Airlines Korean Air Delta Air Lines Alaska Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days. -
How long does it take to fly from Seoul (SEL) to Seattle (SEA) and what is the distance?
It takes around 10 hours 10 minutes to fly from Seoul (SEL) to Seattle (SEA). -
When is the best time to book flights from Seoul to Seattle?
By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seoul to Seattle is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals. -
How many flights are there per week from Seoul to Seattle?
Based on Trip.com data in the past 4 weeks, there is 24 flight per week flying from Seoul to Seattle. You can check the weekly schedule for popular airlines on this route below: Korean Air: S/M/T/W/T/F/S -- KE041 (16:54) Delta Air Lines: S/M/T/W/T/F/S -- DL7837 (16:54) Alaska Airlines: S/-/T/W/T/F/S -- AS120 (19:57) -
How can I find the best deals on flights from Seoul to Seattle?
To find best deals on flights from Seoul to Seattle, you can use various tools on Trip.com:
· Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Oct 6, with one-way flights priced at just $394.
· Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Asiana Airlines.
· Set up price alerts to easily monitor ticket prices without having to check every day.
· Check Trip.com flight deals and promo codes frequently.
· Avoid peak season unless you book very early. It seems the peak season for Seattle travel is around July.
· Get exclusive promo codes for Trip.com app users. -
When are flight tickets from Seoul (SEL) to Seattle (SEA) the cheapest?
The cheapest months to fly from Seoul to Seattle is December, when demand for travel is lower. -
Which upcoming date is cheapest to fly from Seoul to Seattle on?
After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Seoul to Seattle on September 12, 2026 with Philippine Airlines, with prices starting at $413. -
Which airports can I fly into Seattle from Seoul?
You can arrive at any of the following airports in Seattle: Seattle-Tacoma International Airport (SEA), King County (Boeing Field) International Airport (BFI), and Kenmore Air Harbor Seaplane Base (LKE). Flights from Incheon International Airport to Seattle-Tacoma International Airport (ICN-SEA) are by far the most popular option for this route. -
Is there any time difference between Seoul and Seattle?
The time difference between Seattle and Seoul is 17h. -
How do I change or cancel my ticket from Seoul to Seattle?
Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages. -
What is the average cost of a one-way flight from Seoul to Seattle?
Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Seoul to Seattle is $717. Fares vary by travel date, airline and availability. -
What is the average cost of a round-trip flight from Seoul to Seattle?
Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Seoul to Seattle is $1,134. The final price depends on the outbound and return dates, airline and fare conditions. -
How do I book flights from Seoul to Seattle on Trip.com?
Enter Seoul and Seattle, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation. -
Are there budget airlines on the Seoul to Seattle route?
T'Way Airare the most popular budget airlines flying from Seoul to Seattle. Check baggage, seat and payment fees before comparing the final price.
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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.