Cheap flights from Bristol to Idaho Falls
Cheap return flights from Bristol 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?
- Ryanair
- EasyJet
- Allegiant Air
These airlines usually offer the cheapest flights from Bristol to Idaho Falls.
What airlines fly indirectly?
- Delta Airlines
- American Airlines
- United Airlines
These airlines fly from Bristol to Idaho Falls, but you’ll have at least one layover.
How long is the flight?
12 hours
This is the shortest flight time from Bristol to Idaho Falls.
Alternative flights from the UK to Idaho Falls
Check out prices for other routes
Alternative flights from Bristol
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 Bristol/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 Bristol to Idaho Falls
Tips and advice from our flight experts
You've searched for flights from Bristol to Idaho Falls. We've found 15 flights and compared them to give you the best offer. Ryanair is, on average, the cheapest for this route, so look out for them. The cheapest offer we've found is a one-way ticket for £56 from Bristol to Idaho Falls on 07/05/2026 at 11:10.
We've scanned hundreds of airfares from dozens of airlines across the globe. We've found 8 airlines that operate the 7,800 km flight from Bristol to Idaho Falls.
To find the best offers, consider booking 2-3 months in advance or last minute. Look for flights in the off-peak season. Allegiant Air is a cheap popular airline for this route, and the average flight duration is about 12 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
