Cheap Flights from Idaho Falls to Seattle

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*Note: All fares are quoted in USD.
Last updated on Friday 08-22-2025 at 05:00 AM, the fares mentioned above are for flight tickets and inclusive of fuel surcharges, service fee and taxes . Based on historical data, these fares are subject to change without prior notice and cannot be guaranteed at the time of booking. Kindly go through our terms and conditions before booking.

Book Cheap Flights from Idaho Falls to Seattle on FaresMojo

Book affordable flights from Idaho Falls to Seattle with FaresMojo! Enjoy amazing discounts and savings on flights from IDA to SEA. We offer a broad selection of flight deals to Seattle from Idaho Falls, ensuring you can plan your trip without exceeding your budget. Whether traveling for business or leisure, book discounted flights with FaresMojo and enjoy your journey stress-free.

Take advantage of our low-cost flight options from Idaho Falls to Seattle and explore the city without breaking the bank. You can book online or reach our 24/7 customer care for the best airfare deals.

Did You Know Facts on Flights from Idaho Falls to Seattle?

  • The average airfare from Idaho Falls to Seattle ranges from $312.21 to $478.60. Early bookings are the key to securing the best rates.
  • Seattle Tacoma International Airport (SEA) serves more than 34 airlines and processes around 49,849,520 passengers annually.
  • Alaska Airlines, Spirit Airlines, and American Airlines are the primary carriers offering regular direct and connecting flights from Idaho Falls to Seattle.
  • The first flight from Idaho Falls departs at approximately 07:00 AM.
  • June to August is the most popular travel season, though it’s also the busiest time to visit Seattle.
  • From October to February, tourism tends to slow down, making it a less crowded time to visit the city.
  • On average, you will find about 21 direct and connecting flights departing from IDA to SEA each year.
  • October is the cheapest month to fly from Idaho Falls to Seattle, with travelers also finding great deals on hotel stays during this period.
  • The average flight time between Idaho Falls and Seattle is around 1 hour and 38 minutes.
  • The flight distance from Idaho Falls to Seattle is about 566 miles.
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