IDA

$139 Find Cheap Flights from Washington to Idaho Falls

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Idaho Falls departing on 2/18. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$197
Overall average: $528
Alaska Airlines
Thu 3/26Tue 3/31
SEA - IDA • Non-stop
Cheapest non-stop
$197
Typical prices: $448-$598
Alaska Airlines
Thu 3/26Sat 3/28
SEA - IDA • Non-stop
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We hope you love your trip to Idaho Falls!
Flight Deals
Useful Info
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.

Recent round-trip flight deals from Washington to Idaho Falls

Thu, Mar 26 - Tue, Mar 31
Alaska Airlines Logo
8:04 pm - 10:52 pm
SEA
-
IDA
1h 48mnonstop
Alaska Airlines Logo
5:59 pm - 7:02 pm
IDA
-
SEA
2h 03mnonstop
$197Alaska Airlines
Tue, Mar 10 - Wed, Mar 11
Alaska Airlines Logo
3:52 pm - 11:36 pm
PDX
-
IDA
6h 44m
1 stop
Alaska Airlines Logo
5:20 pm - 10:41 pm
IDA
-
PDX
6h 21m
1 stop
$198Alaska Airlines
Sat, Feb 28 - Mon, Mar 2
Alaska Airlines Logo
1:59 pm - 4:43 pm
SEA
-
IDA
1h 44mnonstop
Alaska Airlines Logo
5:20 pm - 6:21 pm
IDA
-
SEA
2h 01mnonstop
$207Alaska Airlines
Tue, May 12 - Sun, May 17
Alaska Airlines Logo
7:54 pm - 10:40 pm
SEA
-
IDA
1h 46mnonstop
Alaska Airlines Logo
6:00 am - 6:58 am
IDA
-
SEA
1h 58mnonstop
$212Alaska Airlines
Thu, Mar 26 - Sun, Mar 29
Alaska Airlines Logo
8:04 pm - 10:52 pm
SEA
-
IDA
1h 48mnonstop
Alaska Airlines Logo
5:59 pm - 7:02 pm
IDA
-
SEA
2h 03mnonstop
$237Alaska Airlines
Thu, Mar 5 - Mon, Mar 9
Alaska Airlines Logo
3:52 pm - 11:36 pm
PDX
-
IDA
6h 44m
1 stop
Alaska Airlines Logo
5:20 pm - 10:41 pm
IDA
-
PDX
6h 21m
1 stop
$247Alaska Airlines
Sun, Mar 1 - Fri, Mar 6
Multiple Airlines Logo
9:23 pm - 3:30 pm
SEA
-
IDA
17h 07m
1 stop
Multiple Airlines Logo
10:30 pm - 4:16 pm
IDA
-
SEA
18h 46m
2 stops
$278Multiple Airlines
Tue, Feb 10 - Wed, Feb 18
Delta Logo
5:08 pm - 10:57 pm
PDX
-
IDA
4h 49m
1 stop
Delta Logo
6:35 pm - 11:53 pm
IDA
-
PDX
6h 18m
1 stop
$317Delta
Fri, Jul 10 - Sun, Jul 12
Delta Logo
5:45 am - 10:39 am
GEG
-
IDA
3h 54m
1 stop
Delta Logo
6:10 am - 9:12 am
IDA
-
GEG
4h 02m
1 stop
$415Delta
Sat, Jun 6 - Sat, Jun 6
Delta Logo
6:00 am - 12:27 pm
PSC
-
IDA
5h 27m
1 stop
Delta Logo
6:50 pm - 10:41 pm
IDA
-
PSC
4h 51m
1 stop
$667Delta
Useful Info

Good to know

Low seasonMarch
Cheapest flight$139
Best time to beat the crowds but there is an average 24% increase in price.
Most popular time to fly and prices are also 14% lower on average.
Flight from Seattle to Idaho Falls

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

Idaho Falls (IDA)