S$229 Cheap Flights from Seattle to Idaho Falls

View S$229 flight on Wed, 12 Nov, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at S$229 for one-way flights and S$458 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 12 Nov - Thu, 13 Nov
SEA
Seattle
IDA
Idaho Falls
S$458 Return, found 4 days ago
S$458
Return
found 4 days ago
Select Delta flight, departing Wed, 12 Nov from Seattle to Idaho Falls, returning Thu, 13 Nov, priced at S$458 found 4 days ago
Delta
Wed, 12 Nov - Thu, 13 Nov
SEA
Seattle
IDA
Idaho Falls
S$498 Return, found 4 days ago
S$498
Return
found 4 days ago
Select Delta flight, departing Wed, 12 Nov from Seattle to Idaho Falls, returning Thu, 13 Nov, priced at S$498 found 4 days ago
Delta
Wed, 12 Nov - Thu, 13 Nov
SEA
Seattle
IDA
Idaho Falls
S$600 Return, found 4 days ago
S$600
Return
found 4 days ago
Select Delta flight, departing Wed, 12 Nov from Seattle to Idaho Falls, returning Thu, 13 Nov, priced at S$600 found 4 days ago
United
Wed, 12 Nov - Thu, 13 Nov
SEA
Seattle
IDA
Idaho Falls
S$656 Return, found 4 days ago
S$656
Return
found 4 days ago
Select United flight, departing Wed, 12 Nov from Seattle to Idaho Falls, returning Thu, 13 Nov, priced at S$656 found 4 days ago
Alaska Airlines
Wed, 12 Nov - Thu, 13 Nov
SEA
Seattle
IDA
Idaho Falls
S$665 Return, found 4 days ago
S$665
Return
found 4 days ago
Select Alaska Airlines flight, departing Wed, 12 Nov from Seattle to Idaho Falls, returning Thu, 13 Nov, priced at S$665 found 4 days ago
Alaska Airlines
Wed, 12 Nov - Thu, 13 Nov
SEA
Seattle
IDA
Idaho Falls
S$681 Return, found 4 days ago
S$681
Return
found 4 days ago
Select Alaska Airlines flight, departing Wed, 12 Nov from Seattle to Idaho Falls, returning Thu, 13 Nov, priced at S$681 found 4 days ago
Alaska Airlines
Wed, 12 Nov - Thu, 13 Nov
SEA
Seattle
IDA
Idaho Falls
S$697 Return, found 4 days ago
S$697
Return
found 4 days ago
Select Alaska Airlines flight, departing Wed, 12 Nov from Seattle to Idaho Falls, returning Thu, 13 Nov, priced at S$697 found 4 days ago
Delta
Wed, 12 Nov - Thu, 13 Nov
SEA
Seattle
IDA
Idaho Falls
S$698 Return, found 4 days ago
S$698
Return
found 4 days ago
Select Delta flight, departing Wed, 12 Nov from Seattle to Idaho Falls, returning Thu, 13 Nov, priced at S$698 found 4 days ago
Alaska Airlines
Wed, 12 Nov - Thu, 13 Nov
SEA
Seattle
IDA
Idaho Falls
S$700 Return, found 4 days ago
S$700
Return
found 4 days ago
Select Alaska Airlines flight, departing Wed, 12 Nov from Seattle to Idaho Falls, returning Thu, 13 Nov, priced at S$700 found 4 days ago
Delta
Wed, 12 Nov - Thu, 13 Nov
SEA
Seattle
IDA
Idaho Falls
S$711 Return, found 4 days ago
S$711
Return
found 4 days ago
Select Delta flight, departing Wed, 12 Nov from Seattle to Idaho Falls, returning Thu, 13 Nov, priced at S$711 found 4 days ago
Alaska Airlines
Wed, 12 Nov - Thu, 13 Nov
SEA
Seattle
IDA
Idaho Falls
S$733 Return, found 4 days ago
S$733
Return
found 4 days ago
Select Alaska Airlines flight, departing Wed, 12 Nov from Seattle to Idaho Falls, returning Thu, 13 Nov, priced at S$733 found 4 days ago
Delta
Wed, 12 Nov - Thu, 13 Nov
SEA
Seattle
IDA
Idaho Falls
S$738 Return, found 4 days ago
S$738
Return
found 4 days ago
Select Delta flight, departing Wed, 12 Nov from Seattle to Idaho Falls, returning Thu, 13 Nov, priced at S$738 found 4 days ago
Delta
Wed, 12 Nov - Thu, 13 Nov
SEA
Seattle
IDA
Idaho Falls
S$749 Return, found 4 days ago
S$749
Return
found 4 days ago
Select Delta flight, departing Wed, 12 Nov from Seattle to Idaho Falls, returning Thu, 13 Nov, priced at S$749 found 4 days ago
Delta
Wed, 12 Nov - Thu, 13 Nov
SEA
Seattle
IDA
Idaho Falls
S$787 Return, found 4 days ago
S$787
Return
found 4 days ago
Select Delta flight, departing Wed, 12 Nov from Seattle to Idaho Falls, returning Thu, 13 Nov, priced at S$787 found 4 days ago
American Airlines
Wed, 12 Nov - Thu, 13 Nov
SEA
Seattle
IDA
Idaho Falls
S$788 Return, found 4 days ago
S$788
Return
found 4 days ago
Select American Airlines flight, departing Wed, 12 Nov from Seattle to Idaho Falls, returning Thu, 13 Nov, priced at S$788 found 4 days ago

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

January is typically the cheapest month to fly

From S$162 - S$425 per traveller.

Graph displaying average flight prices per month

Seattle to Idaho Falls route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Idaho Falls Regional
Return price
S$458
Distance
903 km
Average flight time
2 hours 45 mins

Perfect flights from Seattle to Idaho Falls

Your Journey from Seattle to Idaho Falls

Start your unforgettable journey with Expedia. Our broad selection of flights from Seattle to Idaho Falls caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Delta, United, Alaska Airlines, American Airlines. Our selection of flights from Seattle - Tacoma Intl. to Idaho Falls Regional caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Seattle to Idaho Falls Flights

Experience the joy of finding cheap flights from Seattle - Tacoma Intl. to Idaho Falls Regional that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$229 and roundtrip prices from S$458*.
 

Pre-Flight Essentials

Ensure a smooth journey from Seattle to Idaho Falls with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Idaho Falls

Picture yourself stepping off the plane in Idaho Falls and immersing yourself in the unique atmosphere of Idaho Falls. From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Seattle to Idaho Falls Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Seattle to Idaho Falls.
 

Beyond the Flight – Exploring Idaho Falls

With Expedia, your adventure extends beyond the flight. Explore Idaho Falls at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Seattle to Idaho Falls with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Seattle to Idaho Falls with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

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 S$458. 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.

Explore a world of travel with Expedia

*Available to Expedia members.