£76 Cheap Flights from Idaho Falls (IDA) to Seattle (SEA)

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Cheap Flights from Idaho Falls (IDA) to Seattle (SEA)

Prices were available within the past 7 days and start at £76 for one-way flights and £262 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Alaska Airlines
Delta
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Delta
Alaska Airlines
Alaska Airlines
Flight from Idaho Falls to Seattle route information
Origin airport
Idaho Falls Regional
Destination airport
Seattle - Tacoma Intl.
Return price
£261
Distance
903 km

Compare flights from Idaho Falls to Seattle easily and book in confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Idaho Falls to Seattle. Operating between them 3 flights per day, 20 airlines cover the route. And Qatar Airways, Alaska Airlines fly direct, getting you to Seattle - Tacoma Intl. in just 1hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Idaho Falls Regional to Seattle - Tacoma Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Idaho Falls Regional (IDA) to Seattle - Tacoma Intl. (SEA) 

The easiest way to view the best deals on flights from Idaho Falls to Seattle today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Idaho Falls Regional to Seattle - Tacoma Intl. start at just £262 and range up to £315.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Idaho Falls and Seattle
  • booking your flight during May, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Idaho Falls to Seattle flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Idaho Falls Regional to Seattle - Tacoma Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from IDA to SEA?
The lowest price advertised for a round-trip flight between Idaho Falls Regional Airport (IDA) and Sea-Tac Airport is £262. But you better move fast. This figure is based on fares available within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Idaho Falls Regional Airport (IDA) to Seattle - Tacoma Intl. Airport (SEA)?
Most flights can be cancelled online, but each air carrier has a different set of terms and conditions. If you do decide to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from Idaho Falls Regional Airport to Seattle - Tacoma Intl. Airport (SEA) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Idaho Falls Regional Airport to SEA flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Idaho Falls Regional Airport to Sea-Tac Airport?
Forget about a movie marathon on this flight — it’s only 910 kilometres from Idaho Falls to SeaTac. Sit down, order some snacks and you’ll be there before you know it.
Which airlines fly direct from IDA to SEA?
Check out the airfares with Alaska Airlines (AS) if you want to travel straight from IDA to Seattle - Tacoma Intl. Airport (SEA). This popular airline operates 30 flights monthly, so you’re sure to find one that fits your travel schedule.
Are Idaho Falls Regional Airport (IDA) to Sea-Tac Airport flight tickets cheaper when they're purchased at the last minute?
Late planners can sometimes score a bargain, with some super cheap fares from Idaho Falls Regional Airport to Sea-Tac Airport arising a few weeks before the departure date. If you’d rather book ahead of time, Expedia compares and updates all the best flight deals frequently — as early as a year in advance in some cases. It depends on the carrier though, as not all airlines release prices so far in advance.
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