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>

$43 CHEAP FLIGHTS from Washington to Idaho Falls

IDA

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Cheap Flights from Washington to Idaho Falls

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

Fri, Jul 10 - Fri, Jul 17

12:20 pm - 3:00 pm

PDX

IDA

1h 40mnonstop

3:50 pm - 4:26 pm

IDA

PDX

1h 36mnonstop

$81Allegiant Air

Fri, Jul 10 - Fri, Jul 17

12:20 pm - 3:00 pm

PDX

IDA

1h 40mnonstop

3:50 pm - 4:26 pm

IDA

PDX

1h 36mnonstop

$85Allegiant Air

Fri, May 29 - Mon, Jun 1

3:10 pm - 5:49 pm

PDX

IDA

1h 39mnonstop

6:39 pm - 7:20 pm

IDA

PDX

1h 41mnonstop

$88Allegiant Air

Fri, Jun 5 - Mon, Jun 8

3:09 pm - 5:49 pm

PDX

IDA

1h 40mnonstop

6:39 pm - 7:18 pm

IDA

PDX

1h 39mnonstop

$92Allegiant Air

Fri, Jun 12 - Mon, Jun 15

3:09 pm - 5:49 pm

PDX

IDA

1h 40mnonstop

6:39 pm - 7:18 pm

IDA

PDX

1h 39mnonstop

$99Allegiant Air

Wed, May 27 - Wed, Jun 3

10:30 am - 1:17 pm

PDX

IDA

1h 47mnonstop

4:03 pm - 4:50 pm

IDA

PDX

1h 47mnonstop

$157Alaska Airlines

Fri, May 29 - Mon, Jun 1

5:50 pm - 10:53 pm

PDX

IDA

4h 03m

1 stop

6:39 pm - 7:20 pm

IDA

PDX

1h 41mnonstop

$178Multiple Airlines

Tue, May 19 - Wed, May 27

8:00 pm - 10:53 pm

SEA

IDA

1h 53mnonstop

1:54 pm - 2:56 pm

IDA

SEA

2h 02mnonstop

$217Alaska Airlines

Sun, May 24 - Tue, Jun 2

4:59 pm - 10:42 pm

GEG

IDA

4h 43m

1 stop

6:54 pm - 11:35 pm

IDA

GEG

5h 41m

1 stop

$364Delta

Thu, May 28 - Tue, Jun 2

6:00 am - 10:47 am

PSC

IDA

3h 47m

1 stop

6:54 pm - 11:54 pm

IDA

PSC

6h 00m

2 stops

$369Delta

Useful Info

Low season	March
High season	July
Cheapest flight	$43

Best time to beat the crowds but there is an average 12% increase in price.

Most popular time to fly and prices are also 19% lower on average.

Flight from Portland 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)

IDA

$43 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