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Cheap flights from Iwakuni (IWK) to Washington

IWK — SEA
4月 5 — 4月 121
土 4/5
土 4/12
1 adult, Economy
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Cheap flight deals from Iwakuni to Washington

Keep the following information in mind while searching for Iwakuni to Washington flight deals. Data was last updated 3月 31, 2025.

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FlightHub
3 stars

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FlightHub
3 stars
Provider with most accurate pricing for MCAS Iwakuni-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for MCAS Iwakuni-Seattle/Tacoma Intl flights.
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Best time to book a flight from Iwakuni to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington 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.

Cheapflights Insights

Everything you need to know about your flight from Iwakuni to Washington

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).

Related info for your journey

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

  • What airport do you fly from for flights from Iwakuni to Washington?

    Most people fly from MCAS Iwakuni (IWK) if they book a flight from Iwakuni to Washington. MCAS Iwakuni is conveniently located just 1.6 mi from Iwakuni’s city center.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Iwakuni 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 Iwakuni to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Iwakuni to State of Washington (average of $238). Flying from Iwakuni 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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