Cheap flights from Southampton to Kalispell
Cheap return flights from Southampton 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?
- Ryanair
- EasyJet
- Allegiant Air
These airlines usually offer the cheapest flights from Southampton to Kalispell.
What airlines fly indirectly?
- American Airlines
- Delta Air Lines
- United Airlines
These airlines fly from Southampton to Kalispell, but you’ll have at least one layover.
How long is the flight?
15 hours
This is the shortest flight time from Southampton to Kalispell.
Alternative flights from the UK to Kalispell
Check out prices for other routes
Alternative flights from Southampton
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 Southampton/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 Southampton to Kalispell
Tips and advice from our flight experts
You've searched for flights from Southampton to Kalispell. We've found 25 flights and compared them to give you the best offer. Ryanair 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 Southampton to Kalispell on 28/05/2026 at 21:15 for £89.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 8 airlines that operate the 7,500 km flight from Southampton to Kalispell.
To find the best offers, consider booking in advance or looking for last-minute deals. The best time to buy is typically 2-3 months before your trip. Ryanair is a popular and affordable choice for this route, with an average flight duration of 15 hours. After selecting an offer, fill out your information and proceed to payment. Don't forget to check our flight + hotel service to book everything at once, saving you time and money.
Other popular destinations near Kalispell
Where other people are flying to
