Question 1

How long does a flight from Seattle to Idaho Falls take?

Accepted Answer

Direct flights cover the 565 miles separating Seattle to Idaho Falls in about 1h 35m. Visit our flight page for the latest deals!>/a>

Question 2

How many flights are there between Seattle and Idaho Falls per day?

Accepted Answer

Each day, there are 2 nonstop flights that take off from Seattle and land in Idaho Falls, with an average flight time of 1h 39m. The most common departure time is 7:00 pm and most flights take off in the evening. Each week, there are 14 flights and there are the same amount of flights each day (2). Visit our flight page for the latest deals!>/a>

Question 3

What is the cheapest flight from Seattle to Idaho Falls?

Accepted Answer

In the last 3 days, the lowest price for a flight from Seattle to Idaho Falls was $99 for a one-way ticket and $207 for a round-trip. <a href='/flight-routes/Seattle-Tacoma-Intl-SEA/Idaho-Falls-Fanning-Field-IDA'>Visit our flight page for the latest deals!>/a>

Question 4

Do I need a passport to fly between Seattle and Idaho Falls?

Accepted Answer

No <a href='/flight-routes/Seattle-Tacoma-Intl-SEA/Idaho-Falls-Fanning-Field-IDA'>Visit our flight page for the latest deals!>/a>

Question 5

What’s the cheapest day of the week to fly from Seattle to Idaho Falls?

Accepted Answer

When flying from Seattle to Idaho Falls, you should consider leaving on a Wednesday and avoid Sundays if you are looking for the best rates. For your return to Seattle, you’ll find the best rates on Thursdays and the most expensive ones on Tuesdays. Visit our flight page for the latest deals!>/a>

Question 6

What’s the earliest departure time from Seattle to Idaho Falls?

Accepted Answer

Early birds can take the earliest flight from Seattle at 12:47 pm and will be landing in Idaho Falls at 3:22 pm.

Question 7

What’s the latest departure time from Seattle to Idaho Falls?

Accepted Answer

If you prefer to fly at night, the latest flight from Seattle to Idaho Falls jets off at 7:55 pm and lands at 10:39 pm.

Question 8

Which airlines fly non-stop between Seattle and Idaho Falls?

Accepted Answer

There is just one airline that flies from Seattle to Idaho Falls direct and that is Alaska Airlines. The best round-trip deal found from Alaska Airlines for the route is $187.

Question 9

Which airlines offer Wi-Fi service onboard planes from Seattle to Idaho Falls?

Accepted Answer

Only Alaska Airlines offers inflight Wi-Fi service on the Seattle to Idaho Falls flight route.

Question 10

Which aircraft models fly most regularly from Seattle to Idaho Falls?

Accepted Answer

The Embraer 175 is the aircraft model that flies most regularly on the Seattle to Idaho Falls flight route.

Question 11

Which airline alliances offer flights from Seattle to Idaho Falls?

Accepted Answer

oneworld is the only airline alliance operating flights between Seattle and Idaho Falls.

Question 12

On which days can I fly direct from Seattle to Idaho Falls?

Accepted Answer

There are nonstop flights from Seattle to Idaho Falls on a daily basis.

Question 13

What is the cheapest month to fly from Seattle to Idaho Falls?

Accepted Answer

The cheapest month for flights from Seattle to Idaho Falls is April, where tickets cost $238 (return) on average. On the other hand, the most expensive months are March and June, where the average cost of round-trip tickets is $448 and $363 respectively.

Question 14

How does KAYAK find such low prices on flights from Seattle to Idaho Falls?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Idaho Falls. <a href='/flight-routes/Seattle-Tacoma-Intl-SEA/Idaho-Falls-Fanning-Field-IDA'>Visit our flight page for the latest deals!>/a>

Question 15

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Idaho Falls?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Idaho Falls from Seattle is likely to change within 7 days, so travelers know whether to wait or book now. <a href='/flight-routes/Seattle-Tacoma-Intl-SEA/Idaho-Falls-Fanning-Field-IDA'>Visit our flight page for the latest deals!>/a>

Question 16

What is the Hacker Fare option on flights from Seattle to Idaho Falls?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Idaho Falls with an airline and back to Seattle with another airline. Booking your flights between Seattle and IDA can sometimes prove cheaper using this method. <a href='/flight-routes/Seattle-Tacoma-Intl-SEA/Idaho-Falls-Fanning-Field-IDA'>Visit our flight page for the latest deals!>/a>

Question 17

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Idaho Falls?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Idaho Falls from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/Seattle-Tacoma-Intl-SEA/Idaho-Falls-Fanning-Field-IDA'>Visit our flight page for the latest deals!>/a>

Question 18

Which cabin class options are there for flights between Seattle and Idaho Falls?

Accepted Answer

There are 3 cabin class options for the route. These are First, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 19

Which airlines provide the cheapest flights from Seattle to Idaho Falls?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from Seattle to Idaho Falls were found on Hawaiian Airlines ($207) and Delta ($237).

Question 20

How far in advance should I book a flight from Seattle to Idaho Falls?

Accepted Answer

To get a below average price on the flight from Seattle to Idaho Falls, you should book around 4 weeks before departure. For the absolute cheapest price, our data suggests you should book 17 weeks before departure.

Question 21

Can I save money by flying with a layover from Seattle to Idaho Falls?

Accepted Answer

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $298 on average.

Low season	March
High season	June
Cheapest flight	$99

SEA - IDA

$99 Find Cheap Flights from Seattle to Idaho Falls

KAYAK searches hundreds of travel sites at once for deals on flights to Idaho Falls

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

Recent round-trip flight deals from Seattle to Idaho Falls

Recent one-way flight deals from Seattle to Idaho Falls

Recent last minute flight deals from Seattle to Idaho Falls

Recent direct flight deals from Seattle to Idaho Falls

KAYAK's insights & trends for Seattle to Idaho Falls flights

Get data-powered insights and trends into flights from Seattle to Idaho Falls to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Seattle to Idaho Falls?

When flying from Seattle to Idaho Falls, you should consider leaving on a Wednesday and avoid Sundays if you are looking for the best rates. For your return to Seattle, you’ll find the best rates on Thursdays and the most expensive ones on Tuesdays.

What is the cheapest month to fly from Seattle to Idaho Falls?

The cheapest month for flights from Seattle to Idaho Falls is April, where tickets cost $238 (return) on average. On the other hand, the most expensive months are March and June, where the average cost of round-trip tickets is $448 and $363 respectively.

Can I save money by flying with a layover from Seattle to Idaho Falls?

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $298 on average.

How far in advance should I book a flight from Seattle to Idaho Falls?

To get a below average price on the flight from Seattle to Idaho Falls, you should book around 4 weeks before departure. For the absolute cheapest price, our data suggests you should book 17 weeks before departure.

Which airlines provide the cheapest flights from Seattle to Idaho Falls?

In the past 3 days, the cheapest round-trip tickets from Seattle to Idaho Falls were found on Hawaiian Airlines ($207) and Delta ($237).

Which airlines fly non-stop between Seattle and Idaho Falls?

There is just one airline that flies from Seattle to Idaho Falls direct and that is Alaska Airlines. The best round-trip deal found from Alaska Airlines for the route is $187.

Which cabin class options are there for flights between Seattle and Idaho Falls?

There are 3 cabin class options for the route. These are First, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How many flights are there between Seattle and Idaho Falls per day?

Each day, there are 2 nonstop flights that take off from Seattle and land in Idaho Falls, with an average flight time of 1h 39m. The most common departure time is 7:00 pm and most flights take off in the evening. Each week, there are 14 flights and there are the same amount of flights each day (2).

How long does a flight from Seattle to Idaho Falls take?

Direct flights cover the 565 miles separating Seattle to Idaho Falls in about 1h 35m.

What’s the earliest departure time from Seattle to Idaho Falls?

Early birds can take the earliest flight from Seattle at 12:47 pm and will be landing in Idaho Falls at 3:22 pm.

What’s the latest departure time from Seattle to Idaho Falls?

If you prefer to fly at night, the latest flight from Seattle to Idaho Falls jets off at 7:55 pm and lands at 10:39 pm.

Good to know

When to book flights from Seattle to Idaho Falls

FAQs for booking flights from Seattle to Idaho Falls

What is the cheapest flight from Seattle to Idaho Falls?

In the last 3 days, the lowest price for a flight from Seattle to Idaho Falls was $99 for a one-way ticket and $207 for a round-trip.

Do I need a passport to fly between Seattle and Idaho Falls?

No

Which airlines offer Wi-Fi service onboard planes from Seattle to Idaho Falls?

Only Alaska Airlines offers inflight Wi-Fi service on the Seattle to Idaho Falls flight route.

Which aircraft models fly most regularly from Seattle to Idaho Falls?

The Embraer 175 is the aircraft model that flies most regularly on the Seattle to Idaho Falls flight route.

Which airline alliances offer flights from Seattle to Idaho Falls?

oneworld is the only airline alliance operating flights between Seattle and Idaho Falls.

On which days can I fly direct from Seattle to Idaho Falls?

There are nonstop flights from Seattle to Idaho Falls on a daily basis.

How does KAYAK find such low prices on flights from Seattle to Idaho Falls?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Idaho Falls.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Idaho Falls?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Idaho Falls from Seattle is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Seattle to Idaho Falls?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Idaho Falls with an airline and back to Seattle with another airline. Booking your flights between Seattle and IDA can sometimes prove cheaper using this method.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Idaho Falls?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Idaho Falls from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Seattle to Idaho Falls

Prefer to fly direct from Seattle to Idaho Falls?

Top airline flying from Seattle to Idaho Falls

Everything you need to know for your flight from Seattle to Idaho Falls

Information on your arrival and departure airports

Cabin class types available on flights from Seattle to Idaho Falls

Complete your trip to Idaho Falls with a hotel stay or car rental

Find direct flights to and from Seattle and Idaho Falls

Flights to other popular destinations

Flights from domestic origins to Idaho Falls

Choose which airport to fly into in Idaho Falls

Find deals for your return flight