Cheap flights from Birmingham to Idaho Falls
Cheap return flights from Birmingham 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?
- Southwest Airlines
- Alaska Airlines
- Delta Air Lines
These airlines usually offer the cheapest flights from Birmingham to Idaho Falls.
What airlines fly indirectly?
- American Airlines
- United Airlines
- Frontier Airlines
These airlines fly from Birmingham to Idaho Falls, but you’ll have at least one layover.
How long is the flight?
12 hours 30 minutes
This is the shortest flight time from Birmingham to Idaho Falls.
Alternative flights from the UK to Idaho Falls
Check out prices for other routes
Alternative flights from Birmingham
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 Birmingham/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 Birmingham to Idaho Falls
Tips and advice from our flight experts
You've searched for flights from Birmingham to Idaho Falls. We've found 25 flights and compared them to give you the best offers. On average, Southwest Airlines is the cheapest for this route, so keep an eye on them. The cheapest offer we've found is a one-way ticket for the route Birmingham to Idaho Falls on 13/03/2026 at 15:35 for £72.
We've scanned hundreds of airfares from dozens of airlines across the globe. We've found 10 airlines that operate the 7,500 km flight from Birmingham to Idaho Falls.
To find the best offers, consider booking 2-3 months in advance or looking for last-minute deals. Flying during off-peak seasons can also save you money. Southwest Airlines is a popular and affordable choice for this route, with an average flight duration of 12 hours 30 minutes. After selecting an offer, fill out your information and proceed to payment. Don't forget to check our hotel booking options or use our flight + hotel service to save time and money.
Other popular destinations near Idaho Falls
Where other people are flying to
