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Uncover the best deals on Idaho Falls to Seattle flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest IDA - SEA Flights
Useful information for finding best airline tickets from Idaho Falls Regional to Seattle Tacoma International on your next trip.
Cheapest Round Trip Flight
$338
Alaska Airlines
• 2 stops
• 29h 11m
Sep 02 – Sep 04
The cheapest round trip flight from Idaho Falls to Seattle (IDA-SEA-IDA) is currently $338
Cheapest Direct Flight
$276
Alaska Airlines
• nonstop
• 3h 22m
Sep 02
The cheapest nonstop flight from Idaho Falls to Seattle (IDA-SEA) is currently $276
Fastest Flight
3h 22m
The fastest nonstop flight from Idaho Falls to Seattle (IDA-SEA) takes 3h 22m
Top Airlines Flying from Idaho Falls to Seattle
Latest Flight Deals from Idaho Falls (IDA) to Seattle (SEA)
Compare and book low fare round-trip air tickets from Idaho Falls to Seattle. Ideal for travelers with confirmed return itineraries.
Sep 02 - Sep 04, Economy
Idaho Falls → Seattle
29h 11m
3:57 PM - 8:48 AM • 2 stops
Idaho Falls → Seattle
2h 32m
12:28 PM - 3:20 PM • nonstop
Alaska Airlines
Sep 02 - Sep 04, Economy
Idaho Falls → Seattle
32h 39m
3:57 PM - 10:56 AM • 2 stops
Idaho Falls → Seattle
2h 32m
12:28 PM - 3:20 PM • nonstop
Alaska Airlines
Sep 02 - Sep 04, Economy
Idaho Falls → Seattle
28h 31m
3:57 PM - 8:08 AM • 2 stops
Idaho Falls → Seattle
2h 32m
12:28 PM - 3:20 PM • nonstop
Alaska Airlines
Sep 02 - Sep 04, Economy
Idaho Falls → Seattle
30h 23m
3:57 PM - 9:20 AM • 2 stops
Idaho Falls → Seattle
8h 36m
7:08 AM - 1:24 PM • 1 stop
Alaska Airlines
Sep 02 - Sep 04, Economy
Idaho Falls → Seattle
29h 15m
3:57 PM - 8:52 AM • 2 stops
Idaho Falls → Seattle
8h 36m
7:08 AM - 1:24 PM • 1 stop
Alaska Airlines
Looking for the fastest way to Seattle? These direct flight options from IDA to SEA offer both convenience and value—no layovers, just straight to your destination.
Sep 02 - Sep 04, Economy
Idaho Falls → Seattle
3h 22m
6:18 AM - 7:20 AM • nonstop
Idaho Falls → Seattle
2h 32m
12:28 PM - 3:20 PM • nonstop
Alaska Airlines
FAQs on Idaho Falls to Seattle Flights
What are the airports in Idaho Falls?
IDA
What’s the most popular airline flying from IDA to SEA?
The most popular airline flying from Idaho Falls to Seattle are
Can I fly from IDA to SEA non-stop?
Yes, you can fly IDA to SEA non-stop on
Which airlines fly nonstop between Idaho Falls and Seattle?
The non-stop flights between Idaho Falls and Seattle are .
What’s the earliest departure time from IDA to SEA Airport?
The earliest flight leaves IDA at 6:18 am and lands in SEA - Seattle Tacoma International
What are the airports in Seattle?
SEA
Can I make changes to my Idaho Falls to Seattle flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from IDA to SEA?
Read the fare rules of the Idaho Falls to Seattle air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Idaho Falls and Seattle?
operate flights between Idaho Falls and Seattle
How long does a flight from Idaho Falls to Seattle take?
It takes approximately 2 hour to fly non-stop from IDA to SEA, which is 566.1 miles by air.
Which airlines provide the cheapest flights from Idaho Falls (IDA) to Seattle (SEA) ?
In the past couple of days, the cheapest tickets to SEA from IDA were found on AS : USD 338
Do I need a passport to fly between IDA and SEA?
No
What’s the latest departure time from IDA to SEA ?
The last flight leaves IDA at 3:57 pm
Idaho Falls (IDA) to Seattle (SEA): Airport Information
| Origin Airport | Idaho Falls Regional , Idaho Falls, US |
| Destination Airport | Seattle Tacoma International , Seattle, US |
| Distance | 566 miles |
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