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$394+ Cheap flights from Incheon Intl (ICN) 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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — SEA
févr. 25 — mars 41
mar. 2/25
mar. 3/4
1 adult, Economy
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Cheap flight deals from Incheon Intl to Washington

Keep the following information in mind while searching for Incheon Intl to Washington flight deals. Data was last updated février 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$651
(WhyPayMore)

One-way from

$394
(Kiwi.com)

Popular in

August

Cheapest in

March

Average price

$741

Good round-trip deal

$707 or less

Good one-way deal

$592 or less
Provider with most accurate pricing for Seoul (SEL)-Seattle/Tacoma Intl flight deals.
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From Incheon Intl to Washington
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One-way flight from Incheon Intl to Washington
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Highest demand for flights based on searches. 20% potential increase in price ($246 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Incheon Intl to Washington.
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Price to beat on a one-way flight from Incheon Intl to Washington.
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Find flight deals from Incheon Intl to Washington

Cheapest flights from Incheon Intl to Washington
Explore the most affordable flight options available from Incheon Intl to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on février 20, 2025.

This WhyPayMore deal was found by Cheapflights users on 2/20. 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.
lun. 3/104:55 pmICN - SEA
1 stop17h 30mAir Canada
lun. 3/247:05 pmSEA - ICN
1 stop28h 20mAir Canada
Deal found 2/20$651
This Gotogate deal was found by Cheapflights users on 2/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 2/2610:35 pmICN - SEA
2 stops26h 25mHainan Airlines
jeu. 3/610:00 amSEA - ICN
2 stops42h 30mHainan Airlines
Deal found 2/20$710
This Air Canada deal was found by Cheapflights users on 2/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 5/215:45 pmICN - SEA
1 stop12h 28mMultiple Airlines
mer. 5/2810:00 amSEA - ICN
2 stops19h 40mMultiple Airlines
Deal found 2/19$715
This Air Canada deal was found by Cheapflights users on 2/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 5/1410:35 amICN - PDX
2 stops20h 05mMultiple Airlines
dim. 5/2510:10 amPDX - ICN
2 stops19h 30mMultiple Airlines
Deal found 2/19$757
This WhyPayMore deal was found by Cheapflights users on 2/20. 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.
mer. 4/165:45 pmICN - PDX
1 stop13h 00mAir Canada
jeu. 5/17:40 pmPDX - ICN
1 stop28h 25mAir Canada
Deal found 2/20$788
This Gotogate deal was found by Cheapflights users on 2/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 5/248:45 pmICN - SEA
2 stops31h 46mWestJet
ven. 5/301:15 pmSEA - ICN
2 stops37h 30mWestJet
Deal found 2/20$801
This WhyPayMore deal was found by Cheapflights users on 2/20. 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.
mer. 3/199:25 pmICN - SEA
1 stop16h 30mHawaiian Airlines
mer. 3/266:40 pmSEA - ICN
1 stop32h 45mHawaiian Airlines
Deal found 2/20$815
This Gotogate deal was found by Cheapflights users on 2/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 4/2412:35 pmICN - SEA
1 stop22h 55mChina Airlines
dim. 4/271:10 amSEA - ICN
1 stop26h 25mChina Airlines
Deal found 2/20$835
This Delta deal was found by Cheapflights users on 2/18. 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.
jeu. 2/208:05 pmICN - PDX
1 stop17h 45mDelta
mer. 3/511:30 amPDX - ICN
1 stop35h 45mDelta
Deal found 2/18$845
This oojo deal was found by Cheapflights users on 2/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 3/68:50 pmICN - SEA
1 stop14h 48mAsiana Airlines
jeu. 3/131:45 pmSEA - ICN
Nonstop12h 05mAsiana Airlines
Deal found 2/20$848
This United Airlines deal was found by Cheapflights users on 2/19. 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.
jeu. 2/206:00 pmICN - PDX
1 stop23h 35mUnited Airlines
jeu. 3/136:00 amPDX - ICN
1 stop17h 15mUnited Airlines
Deal found 2/19$874
This United Airlines deal was found by Cheapflights users on 2/20. 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.
mar. 6/34:50 pmICN - SEA
2 stops21h 08mUnited Airlines
ven. 10/37:32 pmSEA - ICN
1 stop16h 48mUnited Airlines
Deal found 2/20$886

Find flights from Incheon Intl to Washington within your budget

Customize your flight search to find flights from Incheon Intl 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 février 20, 2025.

Fly from

Incheon Intl

Fly to

Washington

Route

Depart

Return

Price

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

ven. 5/23

5:45 pm-2:13 pm

1 stop12h 28m

Seattle/Tacoma Intl

dim. 6/1

7:15 pm-4:05 pm

1 stop28h 50m

$651

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

mer. 3/26

10:35 pm-9:00 am

2 stops26h 25m

Seattle/Tacoma Intl

jeu. 4/3

11:00 am-9:30 pm

2 stops42h 30m

$714

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

lun. 5/19

5:45 pm-2:13 pm

1 stop12h 28m

Seattle/Tacoma Intl

lun. 5/26

10:00 am-9:40 pm

2 stops19h 40m

$715

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

mer. 5/14

10:35 am-2:40 pm

2 stops20h 05m

Portland

dim. 5/25

10:10 am-9:40 pm

2 stops19h 30m

$757

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

mer. 4/16

5:45 pm-2:45 pm

1 stop13h 00m

Portland

jeu. 5/1

7:40 pm-4:05 pm

1 stop28h 25m

$788

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

jeu. 4/10

8:45 pm-10:00 am

2 stops29h 15m

Seattle/Tacoma Intl

jeu. 4/24

3:15 pm-6:45 pm

1 stop35h 30m

$814

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

mer. 3/19

9:25 pm-9:55 pm

1 stop16h 30m

Seattle/Tacoma Intl

mer. 3/26

6:40 pm-7:25 pm

1 stop32h 45m

$815

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

lun. 4/14

4:40 pm-10:40 am

Nonstop10h 00m

Seattle/Tacoma Intl

lun. 4/28

12:50 pm-4:40 pm

Nonstop11h 50m

$818

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

dim. 5/4

12:35 pm-7:30 pm

1 stop22h 55m

Seattle/Tacoma Intl

mar. 5/6

1:10 am-7:35 pm

1 stop26h 25m

$836

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

lun. 3/3

8:05 pm-11:58 pm

1 stop20h 53m

Portland

jeu. 3/6

7:10 am-4:15 pm

1 stop16h 05m

$845

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 36 results
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Best time to book a flight from Incheon Intl to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Incheon Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Incheon Intl to Washington

Get recent, data-driven insights about flights from Incheon Intl to Washington including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Incheon Intl Airport to State of Washington?

Currently, January is the cheapest month in which you can book a flight from Incheon Intl Airport to State of Washington (average of $238). Flying from Incheon Intl Airport to State of Washington in July is currently the most expensive (average of $411). 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 ICN to WA?

Find hourly flight availability from Incheon Intl 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 février 20, 2025.

When flying from Incheon Intl Airport to State of Washington, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Incheon Intl Airport to State of Washington

Explore weekly flight availability from Incheon Intl 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 février 20, 2025.

The most flights from ICN to USWA are scheduled on a Tuesday (12 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (8 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 février 20, 2025.
See what other customers who have flown with EVA Air, Korean Air and Asiana Airlines from Seoul to Washington have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,200 reviews

Comfort

8.2

Overall

8.4

Crew

8.6

Food

8.0

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

EVA Air
8.4
Very good
1,200 reviews
EVA Air
8.4
Very good
1,200 reviews

Comfort

8.2

Overall

8.4

Crew

8.6

Food

8.0

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Korean Air
8.4
Very good
1,037 reviews
EVA Air
8.4
Very good
1,200 reviews

Comfort

8.2

Overall

8.4

Crew

8.6

Food

8.0

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Asiana Airlines
8.3
Very good
446 reviews
EVA Air
8.4
Very good
1,200 reviews

Comfort

8.2

Overall

8.4

Crew

8.6

Food

8.0

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

China Airlines
8.2
Very good
727 reviews
EVA Air
8.4
Very good
1,200 reviews

Comfort

8.2

Overall

8.4

Crew

8.6

Food

8.0

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Singapore Airlines
8.1
Very good
1,299 reviews
EVA Air
8.4
Very good
1,200 reviews

Comfort

8.2

Overall

8.4

Crew

8.6

Food

8.0

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Related info for your journey

Find useful and relevant information for your journey from Incheon Intl to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Incheon Intl Airport to State of Washington flight route?

    This flight path from Incheon Intl to Washington was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from Incheon Intl Airport to State of Washington one-way?

    The cheapest airlines for a one-way flight from Incheon Intl Airport to State of Washington are Hainan Airlines ($408), WestJet ($410), and Air Canada ($464).

  • What are the most popular routes from Incheon Intl Airport to State of Washington?

    Most travelers choose Incheon Intl - Seattle/Tacoma Intl, Incheon Intl - Portland or Incheon Intl - Spokane when deciding on the best route from Incheon Intl Airport to State of Washington.

  • What are the most reliable airlines from Incheon Intl Airport to State of Washington?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Incheon Intl Airport to State of Washington on time: Delta (55%), Korean Air (55%), Etihad Airways (39%).

  • What are the cheapest flights from Incheon Intl Airport to State of Washington?

    On average you can expect to pay $1,469 for a flight from Incheon Intl Airport to State of Washington. The cheapest flight overall is $539 while the most popular route, (Incheon Intl - Seattle/Tacoma Intl) is currently priced at $700.

  • Can I find deals for flights from Incheon Intl to Washington that include hotel bookings?

    Yes. In addition to deals on Incheon Intl to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Incheon Intl to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Incheon Intl to Washington.

  • Can I find deals for business class flights from Incheon Intl to Washington?

    Yes. Cheapflights offers flight deals from Incheon Intl to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Incheon Intl Airport to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Incheon Intl Airport to State of Washington (average of $238). Flying from Incheon Intl Airport to State of Washington in July is currently the most expensive (average of $411). 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.

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Alternative routes for Incheon Intl to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Incheon Intl to Washington

Discover the top 6 airlines that operate flights from Incheon Intl 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 février 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$538Average$718FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$595Average$834FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$615Average$950FlexibilityNo cancel feeOn-time69%
Asiana AirlinesCheapest$665Average$1,038FlexibilityNo cancel feeOn-time76%
DeltaCheapest$671Average$1,154FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$684Average$1,195FlexibilityNo cancel feeOn-time81%
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