Flight tickets from Idaho Falls to Seattle

Compare Idaho Falls to Seattle flight deals

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

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Flight deals from Idaho Falls to Seattle

Looking for a cheap last-minute deal or the best return flight from Idaho Falls Airport to Seattle? If you want to travel next month, return fares start from ₹ 39,409. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Idaho Falls to Seattle

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

Direct flights from Idaho Falls to Seattle

Idaho Falls to Seattle: Flight information

The things to know before you go.
Cheapest flight found₹ 18,456
Cheapest month to flyJuly
Average flight time2 hrs, 5 mins
Most popular airlineAlaska Airlines
Average flights per week46

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

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
The best price we found for a return flight from Idaho Falls to Seattle is ₹ 26,440. 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 5 minutes is the average flight time from Idaho Falls to Seattle.
Alaska Airlines, SkyWest Airlines and Qatar Airways fly direct from Idaho Falls to Seattle.
As of June 2026, there are 46 flights per week flying from Idaho Falls to Seattle.
The cheapest month to fly from Idaho Falls to Seattle is usually August.
If you're flying from Idaho Falls Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from ₹ 26,440.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Idaho Falls Airport to Seattle on Wednesday, 19 August 2026.
Yes – the average flight time is 2 hours and 5 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 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.
In June, the average temperature is usually around 14°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
Currently, Alaska Airlines offers the cheapest flight tickets to Seattle.

Flying from Idaho Falls Regional Airport (IDA) to Seattle: what you need to know

  • Book a direct flight from Idaho Falls Regional Airport to Seattle and you'll be in the air for an average of 1 hour 40 minutes.

  • Seattle is one hour behind Idaho Falls, where Idaho Falls Regional Airport is located. Seattle follows the UTC-8 timezone.

  • The busiest route is from Idaho Falls Regional Airport (IDA) to Seattle-Tacoma International Airport (SEA). Take your pick of 12 weekly services between these two airports. If you'd like to get going as soon as possible, the earliest flight from IDA to SEA is the 06:00 Alaska Airlines option. If you'd rather fly out later on, the last departure is at 16:35 with Alaska Airlines.

  • To avoid rushing for your IDA to Seattle flight, allow plenty of time for things like check-in and baggage drop. Arriving two hours before international departures and one hour before domestic flights is the general rule.

  • During popular months such as July, it's a good idea to get to the airport even earlier. Arrive two hours before a domestic departure and four hours ahead of international flights when you fly during high season in general.

  • You can book a direct Idaho Falls Regional Airport to Seattle ticket. Start your journey at IDA and end it at Seattle-Tacoma International Airport (SEA).

  • Alaska Airlines is a well-known carrier that operates direct flights from Idaho Falls Regional Airport to Seattle.

  • IDA is about 3 kilometres from central Idaho Falls. If you're ride-sharing, driving or catching a taxi from the centre, it'll take you 10 minutes or so to get there, depending on traffic conditions. If you're taking public transport, expect the journey time to be around 30 minutes.

  • Searching for a hotel near IDA? If you've booked an early flight from Idaho Falls Regional Airport to Seattle, these accommodation options put the terminal practically at your doorstep:

  • Idaho Falls Regional Airport gets high marks for on-time performance. 81% of flights that take off from IDA arrive at their destination without delay.

  • IDA is located at 2140 North Skyline.

How to find the cheapest flights from Idaho Falls Regional Airport (IDA) to Seattle

  • ₹ 18,456 is currently the best price for a one-way Idaho Falls Regional Airport to Seattle flight. A return plane ticket starts at ₹ 26,440. These prices can change depending on availability.

  • Get cheap flights from IDA to Seattle by booking five months ahead. According to our research, that's the best time for finding a bargain.

  • October is the best month for scoring an incredible deal on Idaho Falls Regional Airport to Seattle tickets. If you're looking to travel during a different time of year, the 'Whole month' tool will give you the lowest prices for each month.

  • Picking up a cheap flight from IDA to Seattle is easy with Price Alerts. Simply set up one of these automatic notifications and we'll get in touch as soon as a better deal is available.

  • Tailor your trip with filters. Choose your preferred departure and arrival times, total journey duration and airlines. You can also sort the results by 'Best,' 'Cheapest' or 'Fastest' flights from Idaho Falls Regional Airport to Seattle.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) to the centre of Seattle takes around 25 minutes by car. The centre is roughly 23 kilometres away.

  • If you're using public transport, expect a journey time of about 35 minutes.

  • Look into staying at a hotel close to SEA if you have a late flight from Idaho Falls Regional Airport to Seattle. Select one of these accommodation options and make your first night all about rest:

  • Booking your ride from Seattle-Tacoma International Airport around one week ahead of your flight from IDA to Seattle can help you lock in the best possible rate.

Seattle Paine Field International Airport (PAE)

  • After your flight from Idaho Falls Regional Airport to Seattle has arrived, you can get to the city centre in about 40 minutes by car. Central Seattle is roughly 40 kilometres from Seattle Paine Field International Airport (PAE).

  • The journey will take roughly 1 hour 30 minutes on public transport.

  • After stepping off your IDA to Seattle flight, unwind at a hotel near PAE. These are some great options that'll help you sink into relaxation mode:

  • Avoid the slow-moving lines and paperwork at the rental desk by completing your booking beforehand. Reserve your ride from PAE a few weeks in advance so you can simply collect the keys and drive away.

King County International Airport (BFI)

  • Make your way to the city centre after your flight from Idaho Falls Regional Airport to Seattle has arrived. Central Seattle is about 11 kilometres from King County International Airport (BFI) and takes roughly 20 minutes to reach by car.

  • If you use public transport, expect a journey of about 35 minutes.

  • Book a hotel close to BFI and get from baggage claim to your bed in a snap. Whether you're coming in on a late IDA to Seattle flight or just want to simplify your travel plans, these accommodation options will have you settling in quickly:

  • Booking at least a few weeks in advance of your flight from Idaho Falls Regional Airport to Seattle is always smart. Along with better deals, you'll likely have a better variety of makes and models to choose from at BFI.

Best time to go to Seattle

  • December is the quietest month for flights from Idaho Falls Regional Airport to Seattle, while July is the most popular. Choose the ideal time to visit Seattle based on whether you want a bustling atmosphere or a more laid-back vibe.

  • Lock in a Idaho Falls Regional Airport to Seattle plane ticket with a departure in August if you want to explore the city during its warmest month. Expect temperatures to range from 12ºC to 28ºC.

  • If you want cooler conditions, look for a cheap ticket from IDA to Seattle in February when temperatures average between -1ºC and 11ºC.

More about Seattle

  • Once you've booked your flight from Idaho Falls Regional Airport to Seattle, find a hotel that offers the right mix of comfort and location. Make one of these options your base for exploring Seattle:

  • All great journeys should include a little sightseeing. Pike Place Market, Space Needle and Seattle Skyline are attractions you won't want to skip in Seattle.

Explore more of the United States

  • You've done Seattle, now it's time to discover other parts of the United States. Journey about 241 kilometres south to Portland to tick off its top attractions. From Portland Japanese Garden to Peninsula Park Rose Garden and Beyond Van Gogh Portland, you'll have a full itinerary ahead.

  • Around 370 kilometres east of Seattle, Spokane is another favourite stop in the United States. Experience this destination's highlights firsthand at 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 45 days.