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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
$251
Alaska Airlines
• 1 stop
• 8h 58m
Sep 22 – Sep 28
The cheapest round trip flight from Idaho Falls to Seattle (IDA-SEA-IDA) is currently $251
Cheapest Direct Flight
$253
Alaska Airlines
• nonstop
• 3h 26m
Sep 22
The cheapest nonstop flight from Idaho Falls to Seattle (IDA-SEA) is currently $253
Fastest Flight
3h 26m
The fastest nonstop flight from Idaho Falls to Seattle (IDA-SEA) takes 3h 26m
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 22 - Sep 28, Economy
Idaho Falls → Seattle
8h 58m
3:57 PM - 8:35 PM • 1 stop
Idaho Falls → Seattle
2h 31m
8:05 PM - 10:56 PM • nonstop
Alaska Airlines
Sep 22 - Sep 28, Economy
Idaho Falls → Seattle
5h 54m
3:57 PM - 6:51 PM • 1 stop
Idaho Falls → Seattle
28h 20m
7:24 PM - 1:24 PM • 2 stops
Alaska Airlines
Sep 22 - Sep 28, Economy
Idaho Falls → Seattle
30h 51m
3:57 PM - 9:48 AM • 2 stops
Idaho Falls → Seattle
24h 19m
9:25 PM - 1:24 PM • 2 stops
Alaska Airlines
Sep 22 - Sep 28, Economy
Idaho Falls → Seattle
14h 4m
12:15 PM - 9:52 PM • 1 stop
Idaho Falls → Seattle
16h 43m
10:17 AM - 9:20 PM • 1 stop
American Airlines
Sep 22 - Sep 28, Economy
Idaho Falls → Seattle
7h 25m
1:05 PM - 4:50 PM • 1 stop
Idaho Falls → Seattle
9h 15m
9:30 AM - 6:17 PM • 2 stops
Delta 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 22 - Sep 28, Economy
Idaho Falls → Seattle
3h 26m
2:01 PM - 3:07 PM • nonstop
Idaho Falls → Seattle
2h 31m
8:05 PM - 10:56 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 447
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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