£90 Cheap Flights from Seattle (SEA) to Idaho Falls (IDA)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Idaho Falls Regional Airport (IDA)

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

Prices were available within the past 7 days and start at £90 for one-way flights and £202 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Flight from Seattle to Idaho Falls route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Idaho Falls Regional
Airlines serving
Alaska Airlines
Return price
£202
Distance
903 km

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

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Seattle to Idaho Falls. Operating between them 6 flights per day, 20 airlines cover the route. And Qatar Airways, Alaska Airlines, Finnair, Hawaiian Airlines fly direct, getting you to Idaho Falls Regional in just 3hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Seattle - Tacoma Intl. to Idaho Falls Regional.  

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 Seattle - Tacoma Intl. (SEA) to Idaho Falls Regional (IDA) 

The easiest way to view the best deals on flights from Seattle to Idaho Falls 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 Seattle - Tacoma Intl. to Idaho Falls Regional start at just £202 and range up to £349.  

To find an even better deal, try  

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

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

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Seattle - Tacoma Intl. to Idaho Falls Regional 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 SEA to Idaho Falls Regional Airport (IDA)?
Pack your bags, because round-trip flights between Sea-Tac Airport and Idaho Falls Regional Airport start from £202. That’s based on airfares available within the last 7 days on Expedia for flights departing within the next year. Prices can move quickly, so book today to lock in the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SEA to Idaho Falls Regional Airport (IDA)?
Every air carrier has its own set of terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from Sea-Tac Airport to IDA 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 SEA to Idaho Falls Regional Airport (IDA) flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Seattle - Tacoma Intl. Airport (SEA) to IDA?
The flight distance from Seattle - Tacoma Intl. Airport (SEA) (SEA) to Idaho Falls Regional Airport (IDA) (IDA) is just 910 kilometres. You’ll be disembarking the plane and collecting your suitcase from the carousel before you know it.
Which airlines fly direct from SEA to IDA?
Offering 30 flights monthly, Alaska Airlines (AS) is a popular choice when flying directly from Seattle - Tacoma Intl. Airport (SEA) to Idaho Falls Regional Airport.
Are Seattle - Tacoma Intl. Airport (SEA) to IDA flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from SEA to IDA can be hit-or-miss. It is possible to score a bargain, but then again, you could miss out! If you’d rather play it safe and start your travel planning early on, Expedia compares flight deals up to 12 months in advance. Just keep in mind that not all airlines list their prices that far in advance. Our advice? Check back often as prices are updated frequently.

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