S$333 Cheap Flights from Seattle to Idaho Falls

View S$333 flight on Wed, 21 Jan, 2026Opens 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$333 for one-way flights and S$512 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 21 Jan - Wed, 28 Jan
SEA
Seattle
IDA
Idaho Falls
S$512 Return, just found
S$512
Return
just found
Select Delta flight, departing Wed, 21 Jan from Seattle to Idaho Falls, returning Wed, 28 Jan, priced at S$512 just found
Delta
Wed, 21 Jan - Wed, 28 Jan
SEA
Seattle
IDA
Idaho Falls
S$601 Return, just found
S$601
Return
just found
Select Delta flight, departing Wed, 21 Jan from Seattle to Idaho Falls, returning Wed, 28 Jan, priced at S$601 just found
Delta
Wed, 21 Jan - Wed, 28 Jan
SEA
Seattle
IDA
Idaho Falls
S$678 Return, just found
S$678
Return
just found
Select Delta flight, departing Wed, 21 Jan from Seattle to Idaho Falls, returning Wed, 28 Jan, priced at S$678 just found
Delta
Wed, 21 Jan - Wed, 28 Jan
SEA
Seattle
IDA
Idaho Falls
S$680 Return, just found
S$680
Return
just found
Select Delta flight, departing Wed, 21 Jan from Seattle to Idaho Falls, returning Wed, 28 Jan, priced at S$680 just found
Delta
Wed, 21 Jan - Wed, 28 Jan
SEA
Seattle
IDA
Idaho Falls
S$770 Return, just found
S$770
Return
just found
Select Delta flight, departing Wed, 21 Jan from Seattle to Idaho Falls, returning Wed, 28 Jan, priced at S$770 just found
Delta
Wed, 21 Jan - Wed, 28 Jan
SEA
Seattle
IDA
Idaho Falls
S$783 Return, just found
S$783
Return
just found
Select Delta flight, departing Wed, 21 Jan from Seattle to Idaho Falls, returning Wed, 28 Jan, priced at S$783 just found
American Airlines
Wed, 21 Jan - Wed, 28 Jan
SEA
Seattle
IDA
Idaho Falls
S$789 Return, just found
S$789
Return
just found
Select American Airlines flight, departing Wed, 21 Jan from Seattle to Idaho Falls, returning Wed, 28 Jan, priced at S$789 just found
American Airlines
Wed, 21 Jan - Wed, 28 Jan
SEA
Seattle
IDA
Idaho Falls
S$796 Return, just found
S$796
Return
just found
Select American Airlines flight, departing Wed, 21 Jan from Seattle to Idaho Falls, returning Wed, 28 Jan, priced at S$796 just found
Delta
Wed, 21 Jan - Wed, 28 Jan
SEA
Seattle
IDA
Idaho Falls
S$814 Return, just found
S$814
Return
just found
Select Delta flight, departing Wed, 21 Jan from Seattle to Idaho Falls, returning Wed, 28 Jan, priced at S$814 just found
United
Wed, 21 Jan - Wed, 28 Jan
SEA
Seattle
IDA
Idaho Falls
S$914 Return, just found
S$914
Return
just found
Select United flight, departing Wed, 21 Jan from Seattle to Idaho Falls, returning Wed, 28 Jan, priced at S$914 just found

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

January is typically the cheapest month to fly

From S$176 - S$473 per traveller.
Seattle to Idaho Falls route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Idaho Falls Regional
Return price
S$511
Distance
903 km
Average flight time
2 hours 43 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, American Airlines, United. 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$333 and roundtrip prices from S$512*.
 

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 . 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$512. 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.