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

Airlines that fly from Seattle-Tacoma International Airport (SEA) to Idaho Falls Regional Airport (IDA)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 35% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards

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

Prices were available within the past 7 days and start at AU$158 for one-way flights and AU$462 for return, for the period specified. Prices and availability are subject to change. Additional terms apply.
Alaska Airlines
Seattle — Idaho Falls
SEA - IDA with Alaska Airlines
Fri, 14 Feb
Alaska Airlines
Idaho Falls — Seattle
IDA - SEA with Alaska Airlines
Sun, 16 Feb
Found 2 days ago
Select flight from Seattle to Idaho Falls, departing on February 14 with Alaska Airlines, and returning from Idaho Falls to Seattle on February 16 with Alaska Airlines. Price from AU$479, Found 2 days ago.
Alaska Airlines
Seattle — Idaho Falls
SEA - IDA with Alaska Airlines
Fri, 14 Feb
Alaska Airlines
Idaho Falls — Seattle
IDA - SEA with Alaska Airlines
Sun, 16 Feb
Found 2 days ago
Select flight from Seattle to Idaho Falls, departing on February 14 with Alaska Airlines, and returning from Idaho Falls to Seattle on February 16 with Alaska Airlines. Price from AU$544, Found 2 days ago.
Flight from Seattle to Idaho Falls route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Idaho Falls Regional
Return price
AU$462
Distance
903 km

Your quick guide to flights from Seattle to Idaho Falls

Pick up great flights from Seattle to Idaho Falls

With Expedia, you have your pick of 5 flights a day with 20 airlines covering flights from Seattle to Idaho Falls. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Seattle to Idaho Falls that take around 3 hours.

Find cheap flights from Seattle to Idaho Falls

From the great flight deals with prices currently ranging from AU$462 to AU$820, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Seattle to Idaho Falls around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Idaho Falls is normally in February.

Reasons to book your flight from Seattle to Idaho Falls with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Seattle to Idaho Falls across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Idaho Falls right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

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 AU$462. 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.
*Available to Expedia members.