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Incheon Intl

$355+ Cheap flights from Washington to Incheon Intl (ICN)

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 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ICN
Dec 28 — Jan 41
Sat 12/28
Sat 1/4
1 adult, Economy
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Cheap flight deals from Washington to Incheon Intl

Discover tips and strategies to find the most affordable flight options for your journey from Washington (USWA) to Incheon Intl (ICN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 23, 2024.

Round-trip from

$723
(Kiwi.com)

One-way from

$355
(Kiwi.com)
From Washington to Incheon Intl
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One-way flight from Washington to Incheon Intl
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Find flight deals from Washington to Incheon Intl

Cheapest flights from Washington to Incheon Intl
Explore the most affordable flight options available from Washington to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2024.

This Justfly.com deal was found by Cheapflights users on 12/23. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/319:55 amSEA - ICN
1 stop26h 15mKorean Air
Tue 1/214:10 pmICN - SEA
Nonstop9h 50mKorean Air
Deal found 12/23$976
This Delta deal was found by Cheapflights users on 12/23. 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.
Tue 12/3110:40 amSEA - ICN
Nonstop12h 35mDelta
Tue 1/218:05 pmICN - SEA
Nonstop10h 14mDelta
Deal found 12/23$988
This Air Canada deal was found by Cheapflights users on 12/23. 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.
Tue 12/317:15 pmSEA - ICN
2 stops25h 20mMultiple Airlines
Tue 1/214:55 pmICN - SEA
1 stop18h 35mMultiple Airlines
Deal found 12/23$1,037
This Air Canada deal was found by Cheapflights users on 12/23. 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.
Tue 12/315:45 amSEA - ICN
1 stop16h 30mAir Canada
Tue 1/214:55 pmICN - SEA
1 stop22h 05mAir Canada
Deal found 12/23$1,088
This Gotogate deal was found by Cheapflights users on 12/21. 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.
Tue 12/3112:10 amSEA - ICN
1 stop17h 20mEVA Air
Wed 4/307:45 pmICN - SEA
1 stop15h 45mEVA Air
Deal found 12/21$1,234
This Air Canada deal was found by Cheapflights users on 12/22. 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.
Mon 12/233:25 pmPDX - ICN
1 stop30h 50mAir Canada
Sun 12/294:55 pmICN - PDX
1 stop18h 29mAir Canada
Deal found 12/22$1,302
This Air Canada deal was found by Cheapflights users on 12/22. 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.
Mon 12/233:25 pmPDX - ICN
1 stop30h 50mMultiple Airlines
Sun 12/297:35 pmICN - PDX
2 stops39h 49mMultiple Airlines
Deal found 12/22$1,343
This oojo deal was found by Cheapflights users on 12/23. 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.
Tue 12/317:00 pmSEA - ICN
1 stop30h 20mTurkish Airlines
Mon 1/2012:10 amICN - SEA
1 stop33h 55mTurkish Airlines
Deal found 12/23$1,523
This United Airlines deal was found by Cheapflights users on 12/23. 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.
Fri 12/277:10 pmSEA - ICN
2 stops28h 05mUnited Airlines
Mon 12/306:00 pmICN - SEA
2 stops22h 17mUnited Airlines
Deal found 12/23$1,529
This China Airlines deal was found by Cheapflights users on 12/21. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2612:10 amSEA - ICN
1 stop18h 10mChina Airlines
Sat 12/288:15 pmICN - SEA
1 stop15h 00mChina Airlines
Deal found 12/21$1,567
This oojo deal was found by Cheapflights users on 12/22. 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.
Wed 12/2512:45 pmSEA - ICN
Nonstop12h 05mAsiana Airlines
Fri 12/276:15 pmICN - SEA
Nonstop9h 40mAsiana Airlines
Deal found 12/22$1,688
This oojo deal was found by Cheapflights users on 12/22. 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.
Tue 12/315:54 pmSEA - ICN
2 stops25h 51mCathay Pacific
Mon 1/67:35 pmICN - SEA
2 stops35h 51mCathay Pacific
Deal found 12/22$1,791

Find flights from Washington to Incheon Intl within your budget

Customize your flight search to find flights from Washington to Incheon Intl 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 December 23, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 1/13

4:53 pm-2:00 pm

2 stops52h 07m

Incheon Intl

Mon 2/10

6:55 pm-10:31 pm

1 stop20h 36m

$723

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Sun 2/9

6:15 am-4:15 pm

1 stop17h 00m

Incheon Intl

Sun 2/16

8:05 pm-9:07 pm

1 stop18h 02m

$877

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 1/19

7:10 am-4:15 pm

1 stop16h 05m

Incheon Intl

Sun 1/26

8:05 pm-6:54 pm

1 stop15h 49m

$907

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Wed 2/5

12:45 pm-5:50 pm

Nonstop12h 05m

Incheon Intl

Wed 2/12

6:15 pm-10:55 am

Nonstop9h 40m

$917

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 2/23

11:59 pm-4:45 pm

1 stop23h 46m

Incheon Intl

Wed 3/5

6:50 pm-11:20 pm

2 stops21h 30m

$918

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Mon 1/13

5:55 pm-10:05 pm

2 stops35h 10m

Incheon Intl

Tue 2/11

1:20 pm-12:37 pm

1 stop16h 17m

$923

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 4/6

3:45 pm-3:00 pm

1 stop31h 15m

Incheon Intl

Sun 4/13

11:30 am-8:09 pm

1 stop24h 39m

$927

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Wed 1/15

4:30 pm-4:45 pm

1 stop31h 15m

Incheon Intl

Fri 1/31

6:50 pm-11:31 pm

1 stop21h 41m

$943

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Wed 2/5

11:00 am-3:55 pm

Nonstop11h 55m

Incheon Intl

Wed 2/12

4:10 pm-9:00 am

Nonstop9h 50m

$944

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Wed 1/15

7:00 pm-6:20 pm

1 stop30h 20m

Incheon Intl

Thu 1/30

12:10 am-5:05 pm

1 stop33h 55m

$951

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 57 results
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Best time to book a flight from Washington to Incheon Intl

Have a flexible travel schedule? Discover the best time to fly to Incheon Intl from Washington 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 Washington to Incheon Intl

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

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

Currently, October is the cheapest month in which you can book a flight from State of Washington to Incheon Intl Airport (average of $1,086). Flying from State of Washington to Incheon Intl Airport in June is currently the most expensive (average of $1,729). 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 WA to ICN?

Find hourly flight availability from Washington to Incheon Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2024.

When flying from State of Washington to Incheon Intl Airport, 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 State of Washington to Incheon Intl Airport

Explore weekly flight availability from Washington to Incheon Intl. 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 December 23, 2024.

The most flights from USWA to ICN are scheduled on a Monday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).

Rainfall in Incheon Intl by month

Plan your trip to Incheon Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Incheon Intl Airport ranges from 0.8 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit Incheon Intl Airport when rainfall is around 0.8 in.

Temperature in Incheon Intl by month

Plan your trip to Incheon Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Incheon Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

Reviews of airlines servicing Incheon Intl

Get insights into the airlines that provide service to Incheon Intl. 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 Incheon Intl. Reviews last updated December 23, 2024.
Read reviews from past customers who have flown Delta, American Airlines and United Airlines from Washington to Seoul. 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
1,263 reviews

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

EVA Air
8.4
Very good
1,263 reviews
EVA Air
8.4
Very good
1,263 reviews

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Korean Air
8.4
Very good
1,025 reviews
EVA Air
8.4
Very good
1,263 reviews

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Japan Airlines
8.3
Very good
1,440 reviews
EVA Air
8.4
Very good
1,263 reviews

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

China Airlines
8.3
Very good
753 reviews
EVA Air
8.4
Very good
1,263 reviews

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Asiana Airlines
8.3
Very good
474 reviews
EVA Air
8.4
Very good
1,263 reviews

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Related info for your journey

Find useful and relevant information for your journey from Washington to Incheon Intl. 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 State of Washington to Incheon Intl Airport flight route?

    Within the past month, 222 users have taken a look at flights from Washington to Incheon Intl.

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

    To fly one-way, consider booking your trip with Asiana Airlines, which is currently one of the cheapest options available, starting at $472. American Airlines flights start at $478 while deals on Delta start at $489 one-way.

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

    While some choose either Portland - Incheon Intl or Spokane - Incheon Intl, Seattle/Tacoma Intl - Incheon Intl is the most popular route from State of Washington to Incheon Intl Airport.

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

    Before booking your flight to Incheon Intl Airport from State of Washington, check out the most reliable airlines to get you to your destination on time: Korean Air (68%), Delta (64%), Etihad Airways( 45%).

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

    The cheapest flight price from State of Washington to Incheon Intl Airport is $369. On average you can expect to pay $2,098. The most popular route, (Seattle/Tacoma Intl - Incheon Intl), can usually be booked for $805.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington to Incheon Intl 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 State of Washington to Incheon Intl Airport?

    Currently, October is the cheapest month in which you can book a flight from State of Washington to Incheon Intl Airport (average of $1,086). Flying from State of Washington to Incheon Intl Airport in June is currently the most expensive (average of $1,729). 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 Washington to Incheon Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Boston to Gimpo Intl flights
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Top 9 airlines flying from Washington to Incheon Intl

Discover the top 9 airlines that operate flights from Washington to Incheon Intl. 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 December 23, 2024.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$600Average$813FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$769Average$1,478FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$849Average$1,019FlexibilityNo cancel feeOn-time67%
China AirlinesCheapest$856Average$948FlexibilityNo cancel feeOn-time70%
Asiana AirlinesCheapest$970Average$1,294FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$970Average$1,192FlexibilityNo cancel feeOn-time77%
DeltaCheapest$979Average$1,519FlexibilityNo cancel feeOn-timeN/A
EVA AirCheapest$1,011Average$1,235FlexibilityNo cancel feeOn-time74%
Korean AirCheapest$1,035Average$1,493FlexibilityNo cancel feeOn-time81%
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