How much is a flight from London to Idaho Falls?

There’s no fixed price — fares between London and Idaho Falls can vary a lot by day or time.

Pick a travel date to see today’s available fares.

Flying during the week can be more affordable, as weekend flights tend to be pricier. Also consider demand and availability: the last remaining seats often come at higher fares!

Best airport options between London and Idaho Falls

If you're open to flying into or out of more than one airport, you’ll have more routes to compare.

• Airports in London: London is the only operating airport.
• Airports in Idaho Falls: Idaho Falls - Fanning Field is the sole airport currently available.

Some airports offer extras like lounges, fast track, or self check-in — good to keep in mind. Comparing airports by services offered helps you balance cost and comfort.

Plan your perfect flight from London to Idaho Falls

Jetcost gives you full control over your flight search. Filter by date, time, duration, price, and airline. See round-trip and one-way options from low-cost and full-service carriers and more.

Other popular destinations

Planning a trip to United States? Other frequent searches include: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Some airlines include baggage in the fare, others don’t — always check the details before booking. If you're looking for round-trip flights, you can easily see the most convenient combinations.