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$1,422+ Cheap flights from Iwakuni (IWK) to Seattle (SEA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
IWK — SEA
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Iwakuni to Seattle

Best flights from Iwakuni to Seattle
Discover carefully curated flight deals from Iwakuni to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/10. 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.
Wed 2/49:05 amIWK - SEA
1 stop21h 15mUnited Airlines
Sun 2/83:45 pmSEA - IWK
1 stop34h 05mUnited Airlines
Deal found 12/10$1,422
This Ovago deal was found by Cheapflights users on 12/11. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/47:35 pmIWK - SEA
2 stops38h 17mANA
Sat 1/245:10 pmSEA - IWK
2 stops32h 40mANA
Deal found 12/11$3,028

Find flight deals from Iwakuni to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Iwakuni (IWK) to Seattle (SEA). 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 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,422
(United Airlines)
Provider with most accurate pricing for MCAS Iwakuni-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for MCAS Iwakuni-Seattle/Tacoma Intl flights.
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From MCAS Iwakuni to Seattle/Tacoma Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Iwakuni to Seattle 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 12, 2025.
Use the filters below to find and compare flights from Iwakuni to Seattle that are best for you.

Fly from

Iwakuni

Fly to

Seattle

Route

Depart

Return

Price

IwakuniSeattle

IWK - SEA

IWKSEA

MCAS Iwakuni

Wed 2/4

9:05 am-1:20 pm

1 stop21h 15m

Seattle/Tacoma Intl

Sun 2/8

3:45 pm-6:50 pm

1 stop34h 05m

$1,422

IwakuniSeattle

IWK - SEA

IWKSEA

MCAS Iwakuni

Sun 1/4

7:35 pm-4:52 pm

2 stops38h 17m

Seattle/Tacoma Intl

Sat 1/24

5:10 pm-6:50 pm

2 stops32h 40m

$3,028

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Compare providers for flights from Iwakuni to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Iwakuni to Seattle in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Iwakuni-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Iwakuni-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Iwakuni-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Iwakuni-Seattle flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Iwakuni-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Iwakuni to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Iwakuni 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.

Related info for your journey

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

  • How long is the flight from Iwakuni to Seattle?

    There are many flights that can get you from Iwakuni to Seattle in 21h 15m. Fly via United Airlines to get the fastest option. Iwakuni and Seattle are separated by a distance of 5156 mi.

  • Can I find deals for flights from Iwakuni to Seattle that include hotel bookings?

    Yes. In addition to deals on Iwakuni to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Iwakuni to Seattle?

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

  • Can I find deals for business class flights from Iwakuni to Seattle?

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

See more FAQs

Traveling to a place near Seattle?

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Kirkland
Tukwila
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