Cheap flights from London-London City to Idaho Falls
Cheap return flights from London-London City to Idaho Falls
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
Idaho Falls flight facts
What you need to know
What are the cheapest airlines?
- Delta Airlines
- Alaska Airlines
- United Airlines
These airlines usually offer the cheapest flights from London-London City to Idaho Falls.
What airlines fly indirectly?
- American Airlines
- Southwest Airlines
- JetBlue Airways
These airlines fly from London-London City to Idaho Falls, but you’ll have at least one layover.
How long is the flight?
14 hours
This is the shortest flight time from London-London City to Idaho Falls.
Alternative flights from the UK to Idaho Falls
Check out prices for other routes
Alternative flights from London-London City
You might find cheaper flights nearby
Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the London-London City/Idaho Falls route. There are around 35 flights on any given week from the UK to Idaho Falls and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.
How to get cheap flights from London-London City to Idaho Falls
Tips and advice from our flight experts
You've searched for flights from London City to Idaho Falls. We've found 25 flights and compared them to give you the best offers. Delta Airlines is, on average, the cheapest for this route. Look out for them! The cheapest offer we've found is a one-way ticket for the route London City to Idaho Falls on 18/05/2026 at 18:45 for £57.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 10 airlines that operate the 7,800 km flight from London City to Idaho Falls.
To find the best offers, book in advance, especially during off-peak seasons. Last-minute deals can be risky. Consider flying with Delta Airlines, which is popular and offers an average flight duration of 14 hours. After selecting an offer, fill out your information, proceed to payment, and consider booking a hotel with us or using our flight + hotel service to save time and money.
Other popular destinations near Idaho Falls
Where other people are flying to
