$385+ Cheap flights from South Korea to Washington
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from South Korea to Washington with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from South Korea to Washington
Keep the following information in mind while searching for South Korea to Washington flight deals. Data was last updated April 29, 2025.
Most accurate provider | AranGrant 3 stars |
|---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $451 (WhyPayMore) |
One-way from | $385 (American Airlines) |
Popular in | August |
Cheapest in | March |
Average price | $760 |
Good round-trip deal | $662 or less |
Good one-way deal | $585 or less |
Find flight deals from South Korea to Washington
Cheapest flights from South Korea to WashingtonExplore the most affordable flight options available from South Korea to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.
Explore the most affordable flight options available from South Korea to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.
This WhyPayMore deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Expedia deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Tourvis deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Tourvis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Customize your flight search to find flights from South Korea to Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 29, 2025.
Use the filters below to find and compare flights from South Korea to Washington that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
IncheonSeattle
ICN - SEA
ICNSEA
Incheon Intl
Tue 5/13
6:20 pm-12:30 pm
Nonstop10h 10m
Seattle/Tacoma Intl
Fri 6/6
2:15 pm-5:55 pm
Nonstop11h 40m
IncheonSeattle
ICN - SEA
ICNSEA
Incheon Intl
Wed 5/21
4:40 pm-10:40 am
Nonstop10h 00m
Seattle/Tacoma Intl
Wed 6/11
1:20 pm-4:40 pm
Nonstop11h 20m
IncheonSeattle
ICN - SEA
ICNSEA
Incheon Intl
Sun 5/4
11:30 am-9:57 pm
2 stops26h 27m
Seattle/Tacoma Intl
Tue 5/6
5:13 pm-3:00 pm
2 stops29h 47m
IncheonPortland
ICN - PDX
ICNPDX
Incheon Intl
Wed 5/14
11:30 am-1:01 pm
2 stops41h 31m
Portland
Thu 7/17
7:37 am-3:00 pm
1 stop15h 23m
IncheonSeattle
ICN - SEA
ICNSEA
Incheon Intl
Wed 6/4
8:40 pm-9:36 pm
1 stop16h 56m
Seattle/Tacoma Intl
Wed 6/11
2:15 pm-5:55 pm
Nonstop11h 40m
IncheonSeattle
ICN - SEA
ICNSEA
Incheon Intl
Tue 5/13
4:00 pm-11:18 pm
1 stop23h 18m
Seattle/Tacoma Intl
Fri 6/6
1:20 pm-4:40 pm
Nonstop11h 20m
BusanSeattle
PUS - SEA
PUSSEA
Busan Gimhae
Fri 5/23
10:40 am-10:40 am
1 stop16h 00m
Seattle/Tacoma Intl
Mon 8/25
1:20 pm-7:35 pm
1 stop14h 15m
IncheonPortland
ICN - PDX
ICNPDX
Incheon Intl
Sat 10/25
5:45 pm-2:46 pm
1 stop13h 01m
Portland
Sun 11/2
7:05 pm-5:05 pm
1 stop29h 00m
IncheonPortland
ICN - PDX
ICNPDX
Incheon Intl
Wed 5/14
5:25 pm-9:21 pm
1 stop19h 56m
Portland
Wed 6/11
10:31 pm-3:30 pm
1 stop24h 59m
IncheonPortland
ICN - PDX
ICNPDX
Incheon Intl
Tue 5/13
4:40 pm-12:10 am
1 stop23h 30m
Portland
Tue 6/10
7:15 am-4:40 pm
1 stop17h 25m
Best time to book a flight from South Korea to Washington
Have a flexible travel schedule? Discover the best time to fly to Washington from South Korea with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from South Korea to Washington
What is the cheapest month to book a flight from South Korea to State of Washington?
Currently, January is the cheapest month in which you can book a flight from South Korea to State of Washington (average of $238). Flying from South Korea to State of Washington in July is currently the most expensive (average of $405). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from KR to WA?
Find hourly flight availability from South Korea to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from South Korea to State of Washington as you normally would.
Weekly flight availability from South Korea to State of Washington
Explore weekly flight availability from South Korea to Washington. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 29, 2025.
The most flights from KR0 to USWA are scheduled on a Monday (8 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (5 on average).
Rainfall in Washington by month
Plan your trip to Washington by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.
Temperature in Washington by month
Plan your trip to Washington by taking into account the average temperature totals by month.
If weather is an important factor for your trip to State of Washington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).
Reviews of airlines servicing Washington
Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated April 29, 2025.
Get a feel of what it's like to fly with EVA Air, Korean Air and Japan Airlines from South Korea to Washington by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Food
Crew
Overall
Entertainment
Boarding
Reviews
Dale,Apr 2025
SFO - TPE
Comfort
Food
Crew
Overall
Entertainment
Boarding
Reviews
Dale,Apr 2025
SFO - TPE
Comfort
Food
Crew
Overall
Entertainment
Boarding
Reviews
Dale,Apr 2025
SFO - TPE
Comfort
Food
Crew
Overall
Entertainment
Boarding
Reviews
Dale,Apr 2025
SFO - TPE
Comfort
Food
Crew
Overall
Entertainment
Boarding
Reviews
Dale,Apr 2025
SFO - TPE
Comfort
Food
Crew
Overall
Entertainment
Boarding
Reviews
Dale,Apr 2025
SFO - TPE
Related info for your journey
Find useful and relevant information for your journey from South Korea to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for South Korea to Washington
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from South Korea to Washington
Discover the top 6 airlines that operate flights from South Korea to Washington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 29, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$474 | Average$752 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$515 | Average$1,049 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$516 | Average$860 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$538 | Average$718 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$641 | Average$985 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$667 | Average$1,078 | FlexibilityNo cancel fee | On-timeN/A |