Cheap flights from Glasgow to Mcallen

Destination name

Mcallen flight facts

What you need to know

What are the cheapest airlines?

  • Spirit Airlines
  • American Airlines
  • United Airlines

These airlines usually offer the cheapest flights from Glasgow to Mcallen.

What airlines fly indirectly?

  • Delta Airlines
  • Alaska Airlines
  • Southwest Airlines

These airlines fly from Glasgow to Mcallen, but you’ll have at least one layover.

How long is the flight?

15 hours

This is the shortest flight time from Glasgow to Mcallen.

Destination name

Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the Glasgow/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 Glasgow to Mcallen

Tips and advice from our flight experts

You've searched for flights from Glasgow to Mcallen. We've found 25 flights and compared them to give you the best offers. Spirit Airlines is the average cheapest airline for this route, so keep an eye on them. The cheapest offer we've found is a one-way ticket for £47 from Glasgow to Mcallen on 10/02/2026 at 08:45.

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 Glasgow to Mcallen.

To find the best offers, book in advance, especially during off-peak seasons. Last-minute deals can be risky. Consider flying with Spirit Airlines, which is popular and offers an average flight duration of 15 hours. 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.