Cheap flights from London to Flagstaff
Cheap return flights from London to Flagstaff
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
Flagstaff flight facts
What you need to know
What are the cheapest airlines?
- American Airlines
- United Airlines
- Southwest Airlines
These airlines usually offer the cheapest flights from London to Flagstaff.
What airlines fly indirectly?
- Delta Airlines
- Alaska Airlines
- JetBlue Airways
These airlines fly from London to Flagstaff, but you’ll have at least one layover.
How long is the flight?
12 hours 30 minutes
This is the shortest flight time from London to Flagstaff.
Alternative flights from the UK to Flagstaff
Check out prices for other routes
Alternative flights from London
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 London/Flagstaff route. There are around 35 flights on any given week from the UK to Flagstaff 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 London to Flagstaff
Tips and advice from our flight experts
You've searched for flights from London to Flagstaff. We've found 25 flights and compared them to give you the best offers. American Airlines is usually 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 London to Flagstaff on 26/02/2026 at 20:40 for £82.
We've scanned hundreds of airfares from various airlines across the globe. In total, we've found 10 airlines that operate the 8,000 km flight from London to Flagstaff.
To find the best offers, book at least 2-3 months in advance. Consider traveling during off-peak seasons. American Airlines is a popular choice for this route, with an average flight duration of 12 hours 30 minutes. After selecting an offer, fill out your information, proceed with payment, and consider booking a hotel with us or using our flight + hotel service to save time and money.
Other popular destinations near Flagstaff
Where other people are flying to
