How does KAYAK find such low prices on flights from Washington 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 Washington to Idaho Falls. Visit our flight page for the latest deals!>/a>

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Idaho Falls from Washington is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Washington 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 Washington with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington 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 Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$119 CHEAP FLIGHTS from Washington to Idaho Falls

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Flight Deals

Cheap Flights from Washington to Idaho Falls

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington to Idaho Falls that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Washington to Idaho Falls

Tue, Oct 14 - Tue, Oct 21

7:55 pm - 10:38 pmSEA-IDA

1h 43mnonstop

4:15 pm - 5:12 pmIDA-SEA

1h 57mnonstop

$181Alaska Airlines

Find Deal

Tue, Oct 14 - Tue, Oct 21

7:55 pm - 10:38 pmSEA-IDA

1h 43mnonstop

4:15 pm - 5:12 pmIDA-SEA

1h 57mnonstop

$197Alaska Airlines

Find Deal

Sat, Oct 25 - Tue, Oct 28

5:25 am - 12:33 pmSEA-IDA

6h 08m1 stop

6:53 pm - 10:22 pmIDA-SEA

4h 29m1 stop

$212Delta

Find Deal

Wed, Oct 29 - Sun, Nov 2

9:15 pm - 11:59 pmSEA-IDA

1h 44mnonstop

5:05 am - 6:14 amIDA-SEA

2h 09mnonstop

$227Hawaiian Airlines

Find Deal

Fri, Dec 5 - Sun, Dec 7

9:15 pm - 12:02 amSEA-IDA

1h 47mnonstop

5:04 pm - 6:13 pmIDA-SEA

2h 09mnonstop

$239Alaska Airlines

Find Deal

Tue, Oct 7 - Sat, Oct 11

6:10 am - 10:15 pmGEG-IDA

15h 05m2 stops

6:53 pm - 8:37 amIDA-GEG

14h 44m2 stops

$252Delta

Find Deal

Fri, Oct 17 - Mon, Oct 20

7:55 pm - 10:38 pmSEA-IDA

1h 43mnonstop

4:15 pm - 5:12 pmIDA-SEA

1h 57mnonstop

$257Hawaiian Airlines

Find Deal

Thu, Oct 2 - Mon, Oct 13

12:07 pm - 4:14 pmPDX-IDA

27h 07m1 stop

7:40 pm - 11:48 amIDA-PDX

17h 08m2 stops

$315Multiple Airlines

Find Deal

Thu, Oct 2 - Sun, Oct 12

12:07 pm - 4:14 pmPDX-IDA

27h 07m1 stop

10:13 pm - 9:39 amIDA-PDX

12h 26m1 stop

$323Multiple Airlines

Find Deal

Thu, Oct 2 - Mon, Oct 6

9:08 pm - 4:14 pmGEG-IDA

18h 06m1 stop

9:57 am - 5:48 pmIDA-GEG

8h 51m1 stop

$403Allegiant Air

Find Deal

Cheapest round-trip

$181

Overall average: $268

Alaska Airlines

Tue 10/14Tue 10/21

SEA - IDA • Non-stop

Cheapest one-way

$119

Typical prices: $118-219

Alaska Airlines

Wed 10/15

SEA - IDA • Non-stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Idaho Falls!

Useful Info

Low season	January
High season	June
Cheapest flight	$119

Best time to beat the crowds with an average 9% drop in price.

Most popular time to fly and prices are also 24% lower on average.

Flight from Seattle to Idaho Falls

How does KAYAK find such low prices on flights from Washington 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 Washington to Idaho Falls.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Idaho Falls?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Idaho Falls from Washington 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 Washington 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 Washington with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington 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 Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Idaho Falls

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Idaho Falls

Idaho Falls (IDA)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

IDA

$119 Find Cheap Flights from Washington to Idaho Falls

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

Cheap Flights from Washington to Idaho Falls

Recent round-trip flight deals from Washington to Idaho Falls

Recent one-way flight deals from Washington to Idaho Falls

Recent last minute flight deals from Washington to Idaho Falls

Recent direct flight deals from Washington to Idaho Falls

Everything you should know

Good to know

FAQs for booking flights from Washington to Idaho Falls

How does KAYAK find such low prices on flights from Washington 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 Washington to Idaho Falls.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Idaho Falls from Washington 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 Washington 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 Washington with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington 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 Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Idaho Falls

Information on the airport you'll fly into in Idaho Falls

Cabin class types available on flights to Washington

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

Find direct flights for 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