$335 Cheap Flights from Houston (IAH) to Glasgow (GLA)

You can find cheap one-way flights from $335 and cheap return flights from $878 Houston, TX (IAH-George Bush Intercontinental) to Glasgow (GLA-Glasgow Intl.) with Expedia. One-way flights usually range from $378 to $5618, and return flights typically cost between $905 and $6023. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Houston, TX (IAH-George Bush Intercontinental) to Glasgow (GLA-Glasgow Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.

You can fly business class between IAH and GLA. Airlines that offer business class service on this route include:

• British Airways
• KLM
• Lufthansa
• United Airlines
• Delta Air Lines
• Air France
• American Airlines
• Air Canada
• JetBlue Airways

First class is available with United Airlines and Lufthansa.

It's easy to earn miles on a Houston, TX (IAH-George Bush Intercontinental) to Glasgow (GLA-Glasgow Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.