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>

$109 CHEAP FLIGHTS from Washington to Idaho Falls

IDA

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

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 22% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flights 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

Sat, Sep 27 - Sat, Oct 11

7:55 pm - 10:39 pmSEA-IDA

1h 44mnonstop

6:00 am - 7:11 amIDA-SEA

2h 11mnonstop

$177Alaska Airlines

Find Deal

Sat, Aug 23 - Tue, Aug 26

12:31 pm - 3:17 pmSEA-IDA

1h 46mnonstop

6:13 am - 7:10 amIDA-SEA

1h 57mnonstop

$187Alaska Airlines

Find Deal

Wed, Aug 20 - Wed, Aug 27

5:30 am - 10:39 amSEA-IDA

4h 09m1 stop

11:20 am - 4:38 pmIDA-SEA

6h 18m1 stop

$197Delta

Find Deal

Wed, Aug 27 - Wed, Sep 3

5:30 am - 10:39 amSEA-IDA

4h 09m1 stop

3:00 pm - 7:00 pmIDA-SEA

5h 00m1 stop

$198Delta

Find Deal

Thu, Sep 18 - Tue, Sep 23

7:55 pm - 10:39 pmSEA-IDA

1h 44mnonstop

6:13 am - 7:10 amIDA-SEA

1h 57mnonstop

$207Hawaiian Airlines

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

$217Hawaiian Airlines

Find Deal

Thu, Aug 14 - Mon, Aug 18

7:52 pm - 11:30 amPDX-IDA

14h 38m1 stop

7:31 pm - 6:57 pmIDA-PDX

24h 26m2 stops

$285

Find Deal

Thu, Aug 14 - Mon, Aug 18

7:52 pm - 6:41 pmPDX-IDA

21h 49m3 stops

7:31 pm - 6:57 pmIDA-PDX

24h 26m2 stops

$329

Find Deal

Sat, Aug 30 - Wed, Sep 3

2:29 pm - 9:47 amSEA-IDA

18h 18m2 stops

5:00 am - 3:52 pmIDA-SEA

11h 52m1 stop

$500United Airlines

Find Deal

Thu, Sep 18 - Tue, Sep 23

5:02 am - 10:48 pmSEA-IDA

16h 46m1 stop

5:00 am - 6:49 pmIDA-SEA

14h 49m2 stops

$508United Airlines

Find Deal

Useful Info

Low season	January
High season	August
Cheapest flight	$109

Best time to beat the crowds with an average 11% drop in price.

Most popular time to fly and prices are also 8% 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

$109 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

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