How long is the flight from Glasgow to Colorado?

Airlines like United Airlines, Iberia, and Icelandair fly from Glasgow to Colorado in about 13h 05m. The time it takes to get you to your destination can typically vary by up to 12h 45m. Glasgow and Colorado are separated by a distance of 4350 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

In terms of precipitation, rainfall in Colorado ranges from 13.0 - 58.0 inches per month. May is typically the wettest month, when rainfall can reach 58.0 mm. January is typically the driest time to visit Colorado when rainfall is around 13.0 mm.

If weather is an important factor for your trip to Colorado, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

What is the cheapest time of day to fly from GLA to CO?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Glasgow to Colorado as you normally would.

Can I find deals for flights from Glasgow to Colorado that include hotel bookings?

Yes. In addition to deals on Glasgow to Colorado flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Glasgow to Colorado?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Glasgow to Colorado.

Can I find deals for business class flights from Glasgow to Colorado?

Yes. Cheapflights offers flight deals from Glasgow to Colorado by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£336+ Cheap Flights from Glasgow to Colorado

Cheap flight deals from Glasgow to Colorado

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Glasgow to Colorado
Explore the most affordable flight options available from Glasgow to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 August 2026.

Sun 11/1007:30 -

3 stops34h 50m

Sun 18/1016:40 -

1 stop13h 45m

Deal found 26/8£656

Fri 9/1014:00 -

1 stop32h 37m

Fri 16/1012:30 -

1 stop14h 40m

Deal found 25/8£663

Wed 9/920:20 -

2 stops26h 20m

Sat 19/911:25 -

2 stops24h 35m

Deal found 25/8£666

Thu 12/1111:30 -

1 stop34h 40m

Mon 16/1110:37 -

2 stops16h 13m

Deal found 27/8£709

Wed 9/914:00 -

2 stops27h 13m

Fri 18/905:00 -

2 stops22h 10m

Deal found 27/8£713

Thu 8/1014:00 -

1 stop15h 41m

Thu 15/1007:40 -

1 stop19h 30m

Deal found 24/8£715

Thu 12/1111:55 -

1 stop13h 05m

Mon 16/1115:40 -

1 stop11h 15m

Deal found 26/8£739

Wed 9/914:00 -

1 stop31h 16m

Sat 19/915:40 -

1 stop11h 30m

Deal found 25/8£743

Thu 3/1211:30 -

2 stops18h 31m

Mon 7/1213:01 -

2 stops22h 14m

Deal found 27/8£1,063

Thu 3/1208:40 -

2 stops21h 21m

Mon 7/1213:01 -

2 stops20h 24m

Deal found 26/8£1,074

Find flight deals from Glasgow to Colorado

Round-trip from	£656
One-way from	£336
Popular in	July
Cheapest in	February
Average price	£702

Icelandair
11/10-18/10
4 total stops
48h 35m total
Glasgow to Colorado

Search Deals

11/9
3 total stops
44h 55m total
Glasgow to Colorado

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£97 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£23 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

GlasgowDenver

GLA Glasgow Intl - DEN Denver Intl

GLADEN

Glasgow Intl

Fri 9/10

14:00-21:06

1 stop14h 06m

Denver Intl

Fri 16/10

19:45-10:10

2 stops31h 25m

£663

GlasgowDenver

GLA Glasgow Intl - DEN Denver Intl

GLADEN

Glasgow Intl

Thu 12/11

20:20-15:10

1 stop25h 50m

Denver Intl

Mon 16/11

17:01-22:20

1 stop22h 19m

£717

Fastest return journey

GlasgowDenver

GLA Glasgow Intl - DEN Denver Intl

GLADEN

Glasgow Intl

Thu 12/11

11:55-18:00

1 stop13h 05m

Denver Intl

Mon 16/11

15:40-09:55

1 stop11h 15m

£739

GlasgowDenver

GLA Glasgow Intl - DEN Denver Intl

GLADEN

Glasgow Intl

Wed 27/1

05:40-20:00

2 stops21h 20m

Denver Intl

Mon 8/2

11:40-09:55

2 stops15h 15m

£740

GlasgowDenver

GLA Glasgow Intl - DEN Denver Intl

GLADEN

Glasgow Intl

Thu 10/9

14:00-06:55

2 stops23h 55m

Denver Intl

Sat 19/9

15:40-10:10

1 stop11h 30m

£743

GlasgowDenver

GLA Glasgow Intl - DEN Denver Intl

GLADEN

Glasgow Intl

Wed 9/9

14:00-23:29

2 stops16h 29m

Denver Intl

Sat 19/9

23:59-10:10

2 stops27h 11m

£743

GlasgowDenver

GLA Glasgow Intl - DEN Denver Intl

GLADEN

Glasgow Intl

Wed 9/9

14:00-23:29

2 stops16h 29m

Denver Intl

Fri 18/9

06:00-10:10

2 stops21h 10m

£743

GlasgowDenver

GLA Glasgow Intl - DEN Denver Intl

GLADEN

Glasgow Intl

Wed 27/1

19:15-15:10

1 stop26h 55m

Denver Intl

Tue 9/2

13:12-17:10

2 stops20h 58m

£747

GlasgowDenver

GLA Glasgow Intl - DEN Denver Intl

GLADEN

Glasgow Intl

Mon 25/1

15:30-15:10

1 stop30h 40m

Denver Intl

Tue 9/2

13:12-15:50

2 stops19h 38m

£747

GlasgowColorado Springs

GLA Glasgow Intl - COS Colorado Springs

GLACOS

Glasgow Intl

Thu 3/12

11:30-23:01

2 stops18h 31m

Colorado Springs

Mon 7/12

13:01-18:15

2 stops22h 14m

£1,063

Flights are sorted by cheapest return flights first.

Deals found on 25/8

Showing 1-10 of 23 resultsSorted by cheapest first

Best time to book a flight from Glasgow to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado from Glasgow with our price prediction graph.

GLA-DEN

GLA-COS

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Glasgow to Colorado

GG1-USCO

GLA-DEN

GLA-COS

What is the cheapest month to book a flight from Glasgow to Colorado?

Currently, February is the cheapest month in which you can book a flight from Glasgow to Colorado (average of £547). Flying from Glasgow to Colorado in July is currently the most expensive (average of £1,046). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Glasgow to Colorado?

Airfare is typical for this route at the moment.

Glasgow to Colorado flights typically cost between £532 and £754 in October.
The cheapest return price found within the last 5 days was £656 on Multiple Airlines (11 Oct–18 Oct).

Reviews of airlines servicing Colorado

Read through reviews of airlines operating flights from Glasgow to Colorado, such as Icelandair and British Airways. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Icelandair

6.9

Okay

738 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Jul 2026

KEF - ORD

No food or snacks. You could buy them. You could also buy ear buds.

Icelandair

6.9

Okay

738 reviews

Icelandair

6.9

Okay

738 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Jul 2026

KEF - ORD

No food or snacks. You could buy them. You could also buy ear buds.

British Airways

6.7

Okay

8,193 reviews

Icelandair

6.9

Okay

738 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Jul 2026

KEF - ORD

No food or snacks. You could buy them. You could also buy ear buds.

Related info for your journey

How long is the flight from Glasgow to Colorado?
Airlines like United Airlines, Iberia, and Icelandair fly from Glasgow to Colorado in about 13h 05m. The time it takes to get you to your destination can typically vary by up to 12h 45m. Glasgow and Colorado are separated by a distance of 4350 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
Can I find deals for flights from Glasgow to Colorado that include hotel bookings?
Yes. In addition to deals on Glasgow to Colorado flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Glasgow to Colorado?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Glasgow to Colorado.
Can I find deals for business class flights from Glasgow to Colorado?
Yes. Cheapflights offers flight deals from Glasgow to Colorado by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Glasgow to Colorado?
Currently, February is the cheapest month in which you can book a flight from Glasgow to Colorado (average of £547). Flying from Glasgow to Colorado in July is currently the most expensive (average of £1,046). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

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Top destinations

Alternative routes for Glasgow to Colorado

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Top 6 airlines flying from Glasgow to Colorado

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£396	Average£670	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
British Airways	Cheapest£399	Average£684	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
JetBlue	Cheapest£539	Average£664	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Aer Lingus	Cheapest£542	Average£745	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Lufthansa	Cheapest£580	Average£780	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
United Airlines	Cheapest£590	Average£780	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Glasgow to Colorado?

Cheapflights helps you search for flights from Glasgow to Colorado via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Glasgow to Colorado?

Cheapflights helps you find that perfect flight to Colorado from Glasgow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Glasgow to Colorado with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Glasgow to Colorado, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Glasgow to Colorado become cheaper?

Yes! Start tracking prices for Glasgow to Colorado flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from Glasgow to Colorado from £336

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Glasgow to Colorado

Cheapest flights from Glasgow to ColoradoExplore the most affordable flight options available from Glasgow to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 August 2026.

Explore the most affordable flight options available from Glasgow to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 August 2026.

Best flights from Glasgow to ColoradoDiscover carefully curated flight deals from Glasgow to Colorado that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 August 2026.

Discover carefully curated flight deals from Glasgow to Colorado that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 August 2026.

Last-minute flights from Glasgow to ColoradoDiscover last-minute flight deals from Glasgow to Colorado. Data last updated 28 August 2026 and is based on user searches.

Discover last-minute flight deals from Glasgow to Colorado. Data last updated 28 August 2026 and is based on user searches.

One-way flights from Glasgow to ColoradoSearch for one-way flight options from Glasgow to Colorado. Find affordable one-way fares based on user searches. Data last updated 28 August 2026.

Search for one-way flight options from Glasgow to Colorado. Find affordable one-way fares based on user searches. Data last updated 28 August 2026.

Find flight deals from Glasgow to Colorado

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Glasgow to Colorado that are best for you.

Best time to book a flight from Glasgow to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado from Glasgow with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Glasgow to Colorado?

How much does it cost for a return flight from Glasgow to Colorado?

Airfare is typical for this route at the moment.

Glasgow to Colorado flights typically cost between £532 and £754 in October.The cheapest return price found within the last 5 days was £656 on Multiple Airlines (11 Oct–18 Oct).

Reviews of airlines servicing Colorado

Read through reviews of airlines operating flights from Glasgow to Colorado, such as Icelandair and British Airways. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from Glasgow to Colorado?

Can I find deals for flights from Glasgow to Colorado that include hotel bookings?

How can I find direct flights from Glasgow to Colorado?

Can I find deals for business class flights from Glasgow to Colorado?

What is the cheapest month to book a flight from Glasgow to Colorado?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Glasgow to Colorado

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Colorado by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United States

Book a non-stop flight to one of these other cities located in United States.

Search flights from Glasgow to Colorado by cabin class

Find flights from Glasgow to Colorado, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Glasgow and Colorado flights

Browse other Glasgow and Colorado flight options. Last updated on 28 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Glasgow to Colorado flights

Consider these flights travelling from Glasgow to Colorado.

Top 6 airlines flying from Glasgow to Colorado

Fly with Cheapflights

How does Cheapflights help users find flights from Glasgow to Colorado?

Why should you use Cheapflights to find cheap flight tickets from Glasgow to Colorado?

Can Cheapflights find flights from Glasgow to Colorado with no change fees?

Can Cheapflights notify me if prices for flights from Glasgow to Colorado become cheaper?

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Book with Flexibility

Travel Smart

Cheapest flights from Glasgow to Colorado
Explore the most affordable flight options available from Glasgow to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 August 2026.

Best flights from Glasgow to Colorado
Discover carefully curated flight deals from Glasgow to Colorado that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 August 2026.

Last-minute flights from Glasgow to Colorado
Discover last-minute flight deals from Glasgow to Colorado. Data last updated 28 August 2026 and is based on user searches.

One-way flights from Glasgow to Colorado
Search for one-way flight options from Glasgow to Colorado. Find affordable one-way fares based on user searches. Data last updated 28 August 2026.

Glasgow to Colorado flights typically cost between £532 and £754 in October.
The cheapest return price found within the last 5 days was £656 on Multiple Airlines (11 Oct–18 Oct).