Cheap Flights to Idaho from 581 € Return

Q: What is the cheapest month to fly to Idaho?

The cheapest month to fly to Boise is currently April . The cheapest month to fly to Idaho Falls is currently September . The cheapest month to fly to Hailey is currently February . And the cheapest month to fly to Twin Falls is currently February .

Q: What is the cheapest day to fly to Idaho?

The cheapest day to fly to Boise is currently Thursday, 16 April 2026 . The cheapest day to fly to Idaho Falls is currently Saturday, 5 September 2026 . The cheapest day to fly to Hailey is currently Wednesday, 11 February 2026 . And the cheapest day to fly to Twin Falls is currently Thursday, 12 February 2026 .

Compare Idaho flights across hundreds of providers

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Find where to fly in Idaho

These places in Idaho are popular with travellers.

Flight deals to Idaho

Find the best prices for one-way or return flights to Idaho's most popular spots.

Boise.581 € per passenger.Departing Thu, 16 Apr, returning Sun, 19 Apr.Return flight with Icelandair and Hawaiian Airlines.Outbound indirect flight with Icelandair, departs from Dublin on Thu, 16 Apr, arriving in Boise.Inbound indirect flight with Hawaiian Airlines, departs from Boise on Sun, 19 Apr, arriving in Dublin.Price includes taxes and charges.From 581 €, select.

Idaho Falls.823 € per passenger.Departing Sat, 5 Sep, returning Sat, 19 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Dublin on Sat, 5 Sep, arriving in Idaho Falls.Inbound indirect flight with Delta, departs from Idaho Falls on Sat, 19 Sep, arriving in Dublin.Price includes taxes and charges.From 823 €, select.

Hailey.825 € per passenger.Departing Wed, 11 Feb, returning Sun, 15 Feb.Return flight with Delta.Outbound indirect flight with Delta, departs from Dublin on Wed, 11 Feb, arriving in Hailey.Inbound indirect flight with Delta, departs from Hailey on Sun, 15 Feb, arriving in Dublin.Price includes taxes and charges.From 825 €, select.

Twin Falls.1.161 € per passenger.Departing Thu, 12 Feb, returning Mon, 16 Feb.Return flight with Delta.Outbound indirect flight with Delta, departs from Dublin on Thu, 12 Feb, arriving in Twin Falls.Inbound indirect flight with Delta, departs from Twin Falls on Mon, 16 Feb, arriving in Dublin.Price includes taxes and charges.From 1.161 €, select.

Pocatello.1.399 € per passenger.Departing Fri, 31 Jul, returning Sun, 9 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from Dublin on Fri, 31 Jul, arriving in Pocatello.Inbound indirect flight with Delta, departs from Pocatello on Sun, 9 Aug, arriving in Dublin.Price includes taxes and charges.From 1.399 €, select.

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Flying to Idaho

The things to know before you go.

Cheapest flight found	581 €
Cheapest month to fly	April
Cheapest airport to fly from	Dublin

How to find cheap one-way and return flights to Idaho

Here are a few tips on how to find the best price for Idaho flights.

Simply hit 'search'

We've compared all the best online travel agents and flight providers out there to find the cheapest plane tickets to Idaho. And with us, there are no added fees – what you see is what you pay.

Fly into Boise

At the moment, the lowest priced flight tickets to Idaho are from Dublin to Boise.

Fly in April

The cheapest time to fly to Idaho is currently April.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to travel to any city you choose in Idaho.

Set up a Price Alert

We'll let you know when flight prices to Idaho go up or down so you can book when the time is just right.

Book flights to Idaho on the Skyscanner app

You can search, compare and save your favourite Idaho flights, hotel and car hire in seconds – all on the Skyscanner app for iOS or Android.

Book flight tickets to Idaho with extra peace of mind

Find flexible getaways

Keep an eye out for flexible ticket options to Idaho. If you go for a flexible plane ticket, you won’t lose out if your flight is cancelled or needs to be changed.

Book spotless stays

Check out the hotels in Idaho with sparkling 5/5 cleanliness ratings, or bag a room with free cancellation.

Get insured

Choose travel cost protection that covers against any unexpected hiccups before or during your trip. With the right travel insurance, you won’t lose out on money if your flights to Idaho are changed or cancelled or your trip is cut short.

Frequently asked questions

Which airlines fly direct to Idaho?

Currently, there are no airlines that fly direct to Idaho. But we found flights with one or more stops from 581 €.

Which is the cheapest airline to fly to Idaho with?

Currently, Icelandair and Delta offer the cheapest flight tickets to Idaho.

How much is the cheapest flight ticket to Idaho?

We looked at upcoming return flights to Idaho departing over the next 12 months and found that Dublin Airport to Boise Airport for 581 € is the best price.

What is the cheapest month to fly to Idaho?

The cheapest month to fly to Boise is currently April. The cheapest month to fly to Idaho Falls is currently September. The cheapest month to fly to Hailey is currently February. And the cheapest month to fly to Twin Falls is currently February.

What is the cheapest day to fly to Idaho?

The cheapest day to fly to Boise is currently Thursday, 16 April 2026. The cheapest day to fly to Idaho Falls is currently Saturday, 5 September 2026. The cheapest day to fly to Hailey is currently Wednesday, 11 February 2026. And the cheapest day to fly to Twin Falls is currently Thursday, 12 February 2026.