Cheap Flights from London to Idaho from £542 Return

Q: What's the average London to Idaho flight price?

We looked at all of the upcoming return flights from London to Idaho we could find over the next 12 months. It looks like £542 is the best price. This is good, compared to the average Idaho ticket price of £788.

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

The cheapest month to fly from London to Hailey Airport is usually September . The cheapest month to fly from London to Twin Falls Airport is usually July . The cheapest month to fly from London to Lewiston-Nez Perce County Airport is usually May . And the cheapest month to fly from London to Pocatello Airport is usually June .

Q: Which upcoming date is cheapest to fly from London to Idaho on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Idaho on Friday, 9 May 2025 .

Q: Are there any direct flights from London to Idaho?

Currently, there aren't any direct flights from London to Idaho, but you can still fly with a stopover.

Q: If I'm flying from London, where in Idaho is cheapest to fly into?

If you're flying from London, the cheapest city in Idaho to fly into is Boise. The cheapest airport serving Boise at the moment is Boise.

Flight deals from London to Idaho

Looking for cheap tickets from London to Idaho, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

Boise.£542 per passenger.Departing Fri, 9 May, returning Fri, 11 Jul.Return flight with Norse Atlantic Airways (UK) and Alaska Airlines.Outbound indirect flight with Norse Atlantic Airways (UK), departs from London Gatwick on Fri, 9 May, arriving in Boise.Inbound indirect flight with Alaska Airlines, departs from Boise on Fri, 11 Jul, arriving in London Gatwick.Price includes taxes and charges.From £542, select.

Idaho Falls.£649 per passenger.Departing Wed, 7 May, returning Tue, 20 May.Return flight with KLM.Outbound indirect flight with KLM, departs from London Heathrow on Wed, 7 May, arriving in Idaho Falls.Inbound indirect flight with KLM, departs from Idaho Falls on Tue, 20 May, arriving in London Heathrow.Price includes taxes and charges.From £649, select.

Hailey.£683 per passenger.Departing Sat, 20 Sep, returning Tue, 30 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from London Heathrow on Sat, 20 Sep, arriving in Hailey.Inbound indirect flight with Delta, departs from Hailey on Tue, 30 Sep, arriving in London Heathrow.Price includes taxes and charges.From £683, select.

Lewiston.£711 per passenger.Departing Fri, 23 May, returning Mon, 2 Jun.Return flight with KLM.Outbound indirect flight with KLM, departs from London Heathrow on Fri, 23 May, arriving in Lewiston-Nez Perce County.Inbound indirect flight with KLM, departs from Lewiston-Nez Perce County on Mon, 2 Jun, arriving in London Heathrow.Price includes taxes and charges.From £711, select.

Pocatello.£989 per passenger.Departing Mon, 23 Jun, returning Thu, 3 Jul.Return flight with Delta.Outbound indirect flight with Delta, departs from London Heathrow on Mon, 23 Jun, arriving in Pocatello.Inbound indirect flight with Delta, departs from Pocatello on Thu, 3 Jul, arriving in London Gatwick.Price includes taxes and charges.From £989, select.

Twin Falls.£1,061 per passenger.Departing Tue, 15 Jul, returning Tue, 29 Jul.Return flight with Delta.Outbound indirect flight with Delta, departs from London Heathrow on Tue, 15 Jul, arriving in Twin Falls.Inbound indirect flight with Delta, departs from Twin Falls on Tue, 29 Jul, arriving in London Heathrow.Price includes taxes and charges.From £1,061, select.

Flying from London to Idaho

Arm yourself with these facts on the fly.

Cheapest flight found	£542, Boise
Cheapest month to fly	May
Cheapest airport to fly from	London Gatwick

How to find cheap flights from London to Idaho

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from London to Idaho. Other savvy travellers recently found return flights from £542 and one-way tickets from £310 one-way. Ready to join them? Here are a few tips to help you do it the smart way.

Fly from London Heathrow into Boise

At the moment, the lowest priced flight tickets to Idaho are from London Heathrow Airport to Boise Airport.

Fly in April

We crunched the flight calendar and found the cheapest time to fly from London to Idaho is currently April.

Fly on a Tuesday

From our data, we can see that Tuesday seems to be the cheapest time to fly from London to Idaho.

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 fly from London to anywhere you choose in Idaho.