Cheap flights from Birmingham to Great Falls
Cheap return flights from Birmingham to Great Falls
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
Great Falls flight facts
What you need to know
What are the cheapest airlines?
- Spirit Airlines
- Allegiant Air
- Frontier Airlines
These airlines usually offer the cheapest flights from Birmingham to Great Falls.
What airlines fly indirectly?
- American Airlines
- Delta Air Lines
- United Airlines
These airlines fly from Birmingham to Great 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 Great Falls.
Alternative flights from the UK to Great 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/Great Falls route. There are around 35 flights on any given week from the UK to Great 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 Great Falls
Tips and advice from our flight experts
You've searched for flights from Birmingham to Great Falls. We've found 15 flights and compared them to give you the best offer. Spirit Airlines is, on average, 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 from Birmingham to Great Falls on 25/02/2026 at 14:05 for £84.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 5 airlines that operate the 1,800 km flight from Birmingham to Great Falls.
To find the best offers, consider booking in advance or looking for last-minute deals. The off-peak season often has lower prices. Allegiant Air is a popular and budget-friendly option 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. We also recommend booking a hotel with us or using our flight + hotel service to save time and money.
Other popular destinations near Great Falls
Where other people are flying to
