Cheap flights from London to Mcallen
Cheap return flights from London to Mcallen
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
Mcallen flight facts
What you need to know
What are the cheapest airlines?
- American Airlines
- British Airways
- United Airlines
These airlines usually offer the cheapest flights from London to Mcallen.
What airlines fly indirectly?
- Delta Airlines
- Alaska Airlines
- Spirit Airlines
These airlines fly from London to Mcallen, but you’ll have at least one layover.
How long is the flight?
14 hours
This is the shortest flight time from London to Mcallen.
Alternative flights from the UK to Mcallen
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/Mcallen route. There are around 35 flights on any given week from the UK to Mcallen 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 Mcallen
Tips and advice from our flight experts
You've searched for flights from London to McAllen. We've found 25 flights and compared them to give you the best offer. American Airlines is, on average, the cheapest for this route. Look out for them! The cheapest offer we've found is a one-way ticket for £76 from London to McAllen on 20/04/2026 at 04:15.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 10 airlines that operate the 7,800 km flight from London to McAllen.
To find the best offers, book at least 2-3 months in advance. Consider traveling during off-peak seasons. American Airlines often has great deals, and the average flight duration is about 14 hours. 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 Mcallen
Where other people are flying to
