₩191,200 Cheap Flights from Seattle (SEA) to Idaho Falls (IDA)

View ₩191,200 flight on Mon, Sep 29, 2025Opens in a new window

Popular airlines 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 40% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at ₩191,200 for one-way flights and ₩327,000 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Sep 29 - Mon, Oct 6
SEA
Seattle
IDA
Idaho Falls
₩327,000 Roundtrip, found 3 days ago
₩327,000
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Sep 29 from Seattle to Idaho Falls, returning Mon, Oct 6, priced at ₩327,000 found 3 days ago
Hawaiian Airlines
Mon, Sep 29 - Mon, Oct 6
SEA
Seattle
IDA
Idaho Falls
₩370,500 Roundtrip, found 3 days ago
₩370,500
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Mon, Sep 29 from Seattle to Idaho Falls, returning Mon, Oct 6, priced at ₩370,500 found 3 days ago
Delta
Mon, Sep 29 - Mon, Oct 6
SEA
Seattle
IDA
Idaho Falls
₩383,400 Roundtrip, found 3 days ago
₩383,400
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Sep 29 from Seattle to Idaho Falls, returning Mon, Oct 6, priced at ₩383,400 found 3 days ago
Hawaiian Airlines
Mon, Sep 29 - Mon, Oct 6
SEA
Seattle
IDA
Idaho Falls
₩424,900 Roundtrip, found 3 days ago
₩424,900
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Mon, Sep 29 from Seattle to Idaho Falls, returning Mon, Oct 6, priced at ₩424,900 found 3 days ago
Delta
Mon, Sep 29 - Mon, Oct 6
SEA
Seattle
IDA
Idaho Falls
₩429,500 Roundtrip, found 3 days ago
₩429,500
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Sep 29 from Seattle to Idaho Falls, returning Mon, Oct 6, priced at ₩429,500 found 3 days ago
Delta
Mon, Sep 29 - Mon, Oct 6
SEA
Seattle
IDA
Idaho Falls
₩452,700 Roundtrip, found 3 days ago
₩452,700
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Sep 29 from Seattle to Idaho Falls, returning Mon, Oct 6, priced at ₩452,700 found 3 days ago
Hawaiian Airlines
Mon, Sep 29 - Mon, Oct 6
SEA
Seattle
IDA
Idaho Falls
₩453,300 Roundtrip, found 3 days ago
₩453,300
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Mon, Sep 29 from Seattle to Idaho Falls, returning Mon, Oct 6, priced at ₩453,300 found 3 days ago
Delta
Mon, Sep 29 - Mon, Oct 6
SEA
Seattle
IDA
Idaho Falls
₩466,200 Roundtrip, found 3 days ago
₩466,200
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Sep 29 from Seattle to Idaho Falls, returning Mon, Oct 6, priced at ₩466,200 found 3 days ago
Hawaiian Airlines
Mon, Sep 29 - Mon, Oct 6
SEA
Seattle
IDA
Idaho Falls
₩474,000 Roundtrip, found 3 days ago
₩474,000
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Mon, Sep 29 from Seattle to Idaho Falls, returning Mon, Oct 6, priced at ₩474,000 found 3 days ago
United
Mon, Sep 29 - Mon, Oct 6
SEA
Seattle
IDA
Idaho Falls
₩747,300 Roundtrip, found 3 days ago
₩747,300
Roundtrip
found 3 days ago
Select United flight, departing Mon, Sep 29 from Seattle to Idaho Falls, returning Mon, Oct 6, priced at ₩747,300 found 3 days ago

Find the cheapest month to fly from Seattle (SEA) to Idaho Falls (IDA)

January is typically the cheapest month to fly

From ₩174,623 - ₩457,825 per traveler.

Graph displaying average flight prices per month

Flights from Seattle (SEA) to Idaho Falls (IDA)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Idaho Falls Regional
Roundtrip price
₩327,000
Distance
903 km
Average flight time
2 hours 45 mins

Seattle to Idaho Falls Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Seattle to Idaho Falls will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Idaho Falls.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with SEA to IDA flights that won’t make your bank account wince. Ready to temporarily leave behind Seattle for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to IDA with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

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 ₩327,000. 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 kilometers. 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.

Explore a world of travel with Expedia

*Available to Expedia members.