Cheap Flights from Idaho Falls to Seattle / Tacoma International

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      Qatar Airways
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      Compare Idaho Falls to Seattle / Tacoma International flight deals

      Find the cheapest month or even day of the year to fly to Seattle / Tacoma International

      Book the best Seattle / Tacoma International fare with no extra fees

      Flight deals from Idaho Falls to Seattle / Tacoma International

      Looking for a cheap last-minute deal or the best return flight from Idaho Falls Airport to Seattle / Tacoma International Airport? If you want to travel next month, return fares start from Rs63,761. Find the lowest prices on one-way and return tickets right here.
      How did we find these deals? The deals you see here are the lowest prices for flight tickets from Idaho Falls to Seattle / Tacoma International found in the last 4 days, and are subject to change and availability.

      Find the cheapest month to fly from Idaho Falls to Seattle / Tacoma International

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Idaho Falls to Seattle / Tacoma International flights are currently cheapest in October.

      Direct flights from Idaho Falls to Seattle / Tacoma International

      Alaska Airlines
      Finnair
      Horizon Air
      Qatar Airways
      SkyWest Airlines

      Idaho Falls to Seattle / Tacoma International: Alternative routes

      Compare routes from Idaho Falls to Seattle below. You may find an airport to fly into that's cheaper, faster, or easier than Seattle / Tacoma International.

      Idaho Falls to Seattle: Flight information

      The things to know before you go.
      Cheapest flight foundRs61,286
      Cheapest month to flyOctober
      Average flight time2 hrs, 7 mins
      Most popular airlineQatar Airways
      Average flights per week44

      Finding cheap flights from Idaho Falls to Seattle / Tacoma International: Frequently asked questions

      The best price we found for a return flight from Idaho Falls to Seattle / Tacoma International is Rs63,761. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      2 hours and 7 minutes is the average flight time from Idaho Falls to Seattle / Tacoma International.
      Qatar Airways, Alaska Airlines and SkyWest Airlines fly direct from Idaho Falls to Seattle / Tacoma International.
      As of September 2026, there are 44 flights per week flying from Idaho Falls to Seattle / Tacoma International.
      The cheapest month to fly from Idaho Falls to Seattle / Tacoma International is usually October.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Idaho Falls Airport to Seattle / Tacoma International Airport on Monday, 26 October 2026.
      Yes – the average flight time is 2 hours and 7 minutes.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle / Tacoma International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, Allegiant Air and Alaska Airlines offer the cheapest flight tickets to Seattle / Tacoma International.

      Flying from Idaho Falls Airport (IDA) to Seattle / Tacoma International Airport (SEA): what you need to know

      • Hop on a direct flight from Idaho Falls Airport to Seattle / Tacoma International Airport and you'll be in the air for an average of 2 hours.

      • The timezone in Seattle is UTC-8, which is one hour behind Idaho Falls.

      • Flights from IDA to SEA start from 06:00 — the earliest with Alaska Airlines. The latest departure is at 16:35 with Alaska Airlines. In total, you can choose from 12 weekly Idaho Falls Airport to Seattle / Tacoma International Airport flights.

      • To ensure you get on your IDA to SEA flight, allow plenty of time to check in and find your gate. Arriving two hours ahead of international departures and one hour before domestic flights is the general travel rule.

      • Flying during a peak time like June? Major public holidays and other popular seasons can mean longer queues at security. Play it safe and get there up to four hours ahead of an international flight and two hours before a domestic departure.

      • Alaska Airlines offers direct flights from Idaho Falls Airport to Seattle / Tacoma International Airport. Book with this popular airline, then get ready to tick off the sights in Seattle — and maybe even more of the United States if time allows.

      • The majority of passengers choose to travel with Alaska Airlines on this route.

      • Alaska Airlines is the most punctual carrier offering IDA to SEA flights. A reliable 80.36% of its services on this route land as scheduled.

      • If you want to break up your flight, just deselect 'Direct flights only' when searching for your ticket from Idaho Falls Airport to Seattle / Tacoma International Airport. Here are the most popular stopovers between IDA and SEA:

        • Denver International Airport

        • Salt Lake City Airport

        • Oakland Metropolitan Oak Airport

      Handy information about Idaho Falls Airport (IDA)

      • You'll find IDA at 2140 North Skyline.

      • Idaho Falls Airport maintains a solid on-time performance, so you're less likely to experience disruptions. Departures from IDA land on schedule 81% of the time.

      • Central Idaho Falls to Idaho Falls Airport is approximately 8 kilometres. Depending on traffic, it'll take you about 10 minutes to get there if you're catching a taxi, ride-sharing or driving.

      • The trip on public transport will take about 30 minutes.

      • Get your holiday off to a hassle-free start by staying near IDA. Whether you're boarding an early flight from Idaho Falls Airport to Seattle / Tacoma International Airport or want to avoid feeling rushed, these stays are the answer:

      Arriving at Seattle / Tacoma International Airport (SEA)

      Getting from Seattle / Tacoma International Airport (SEA) to central Seattle

      • Seattle / Tacoma International Airport is roughly 23 kilometres from the centre of Seattle. The drive time takes around 25 minutes.

      • It typically takes 35 minutes to get there by public transport.

      When to fly to Seattle / Tacoma International Airport (SEA)

      • It's time to plan your travel dates for your flight from Idaho Falls Airport to Seattle / Tacoma International Airport. July is the most popular month to visit Seattle. If you'd like a more relaxed vibe, go in March.

      • When reserving your flight from Idaho Falls Airport to Seattle / Tacoma International Airport, think about the kind of weather you like. August is the warmest month in Seattle, with the temperature ranging from 12ºC to 28ºC.

      • If you want to travel in cooler conditions, search for a cheap ticket from IDA to SEA in February. Temperatures average between -1ºC and 11ºC then.

      Explore more of the United States

      • Seattle is always a good idea, but there are so many other corners of the United States just waiting to be discovered. Around 241 kilometres south of Seattle, a trip to Portland will keep your itinerary busy. Start with popular sights like Portland Japanese Garden, Peninsula Park Rose Garden and Beyond Van Gogh Portland.

      • Spokane is another sought-after destination in the United States and is around 370 kilometres east of Seattle. No journey is complete without dropping by Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes.

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.