Denver (DEN) to Glasgow (GLA) at a glance

Traveling from Denver (DEN) to Glasgow (GLA) offers a range of airline options on this international long-haul route. You can compare various full-service carriers to discover the itinerary that aligns with your budget, schedule, and travel preferences as you set out to experience Glasgow's iconic landmarks and vibrant neighborhoods. Here, you'll find essential information about flights from Denver International Airport (DEN) to Glasgow International Airport (GLA).

• Fastest flight duration: around 10 hours in-flight, plus roughly 2 hours layover with one stop
• Route distance: roughly 4,400 miles (7,080 km)
• Flights per week: around 8 departures on average
• Typical fares (one-way): economy tickets often range from $260–$830, depending on seasonality and how far ahead you book

Flights from Denver International Airport (DEN) to Glasgow International Airport (GLA)

Based on recent travel bookings, here are the top airlines favored by passengers flying from Denver to Glasgow, especially for one-stop and multi-stop flights. Common layover points include Keflavik International Airport, KEF (approximately 1 hour 30 minutes layover), Heathrow Airport, LHR (about 2 hours 15 minutes layover), and Frankfurt International Airport, FRA (around 2 hours layover). These options provide you with the flexibility to balance price, total travel time, and cabin class to create the ideal itinerary.

• Icelandair: This full-service airline provides one-stop travel options, with one-way ticket prices generally between $260 and $1805. It represents about 41% of the flights on this route, featuring an in-flight duration of 10 hours and a total travel time of approximately 12h 45m, including the layover.
• British Airways: Offering both one-stop and multi-stop services, this full-service airline has one-way fares that typically range from $320 to $790. It operates around 22% of departures on this route, with a standard flight time of 10 hours and a total journey duration of about 12h 45m.
• American Airlines: As a full-service carrier, American Airlines provides one-stop and multi-stop options, with one-way fares usually falling between $320 and $855. It accounts for approximately 21% of flights on this route, featuring an in-flight time of 10 hours and a total travel duration near 12h 45m.
• Aer Lingus: This full-service carrier specializes in one-stop services, with one-way fares ranging from $385 to $700. Representing about 5% of departures along this route, it offers a flight time of 10 hours and a total journey length of roughly 12h 45m, including layover time.
• Lufthansa: Providing one-stop service as a full-service airline, Lufthansa's one-way fares typically range from $530 to $815. It comprises around 3% of the flights on this route, with an in-flight time of 10 hours and a total travel duration of approximately 12h 45m, including layover.

Travelers can enhance their journey from Denver to Glasgow with an upgrade to business class service offered by Icelandair on this route.

Best time to fly from Denver (DEN) to Glasgow (GLA)

The most popular months for travelers flying from Denver to Glasgow are March, May, and September, when peak temperatures in Glasgow reach up to 53.6°F in September. If you prefer quieter travel, consider October, the least busy time to visit with temperatures around 48.7°F and typically the lowest average one-way fare (around $322). Flight availability peaks in August, with approximately 11 flights per week, making it easier to find convenient departure times.

• Cheapest time to fly: October usually offers good deals with average one-way fare around $322, roughly 45% cheaper than the yearly average.
• Another budget-friendly time to fly: February typically offers an average one-way fare of around $339.
• Most flight options: August has the highest number of flights from Denver to Glasgow, with approximately 11 flights per week, giving you more flexibility in scheduling your trip.

Month	Temperature	Demand	Weekly Flights	Average one-way Fare
January	38.3°F (3.5°C)	Low	7	$413
February	39.0°F (3.9°C)	Average	7	$339
March	41.2°F (5.1°C)	High	8	$404
April	45.1°F (7.3°C)	Average	8	$373
May	49.8°F (9.9°C)	High	10	$685
June	55.2°F (12.9°C)	Average	8	$879
July	57.4°F (14.1°C)	Average	7	$599
August	56.3°F (13.5°C)	Low	11	$1141
September	53.6°F (12.0°C)	High	10	$393
October	48.7°F (9.3°C)	Low	7	$322
November	43.0°F (6.1°C)	Average	7	$680
December	39.4°F (4.1°C)	Average	8	$809

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Denver (DEN) to Glasgow (GLA)

• Denver to Edinburgh (DEN-EDI): Edinburgh Airport (EDI) is located approximately 42 miles from Glasgow International Airport (GLA). One-way economy fares generally fall between $350 and $880, influenced by the season and the timing of your booking. This route offers both one-stop and multi-stop flight options, with common layover points at Heathrow Airport (LHR) and Logan International Airport (BOS). Notable airlines servicing this route include United and British Airways. Additionally, travelers can choose business class for their journey.

How to find the best prices for flights from Denver (DEN) to Glasgow (GLA)

Getting some of the best deals on flights from Denver to Glasgow is all about timing and flexibility. Here are some key tips to help you save:

1. Best times to book and fly: cheaper fares are generally found when booking at least two months in advance, which aligns with when most travelers make their reservations. Additionally, afternoon departures from 12 PM to 6 PM often offer lower prices and are the most popular flight times. Moreover, flying on Thursday provides both reduced fares and ranks as the most favored travel day.
2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Glasgow hotel and flight deals.
4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Glasgow International Airport from Denver International Airport

Glasgow welcomes travelers from Denver with a range of transport options based on price, convenience, and proximity. Glasgow city center is approximately a 15-minute drive (covering about 9 miles) from Glasgow International Airport, depending on traffic. Here's how to reach Glasgow efficiently:

• Hotel transfer: Transfers offer a convenient way to reach your hotel in Glasgow, with private rides that can be arranged in advance.
• Car rental: Renting a car from Glasgow International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Glasgow International Airport on Expedia.
• Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
• Public transportation: From Glasgow International Airport, Glasgow Seaport, a seaport, is located about 0.4 miles away by car, while Paisley St James Station, a train station, is roughly 1.4 miles away by car. Additionally, Govan Station, a metro station, is situated about 6.5 miles from the airport by car.