Cheap flights from Birmingham to Kalispell
Cheap return flights from Birmingham to Kalispell
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
Kalispell flight facts
What you need to know
What are the cheapest airlines?
- Allegiant Air
- Delta Airlines
- American Airlines
These airlines usually offer the cheapest flights from Birmingham to Kalispell.
What airlines fly indirectly?
- United Airlines
- Southwest Airlines
- Alaska Airlines
These airlines fly from Birmingham to Kalispell, 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 Kalispell.
Alternative flights from the UK to Kalispell
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/Kalispell route. There are around 35 flights on any given week from the UK to Kalispell 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 Kalispell
Tips and advice from our flight experts
You've searched for flights from Birmingham to Kalispell. We've found 15 flights and compared them to give you the best offer. Allegiant Air is, on average, the cheapest for this route. Look out for their deals! The cheapest offer we've found is a one-way ticket for the route Birmingham to Kalispell on 09/07/2026 at 21:05 for £45.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 5 airlines that operate the 6,500 km flight from Birmingham to Kalispell.
To find the best offers, consider booking 2-3 months in advance or looking for last-minute deals. Allegiant Air often has great prices. The average flight duration is about 12 hours 30 minutes. After selecting an offer, fill out your information and proceed to payment. Don't forget to check our flight + hotel service to save time and money!
Other popular destinations near Kalispell
Where other people are flying to
