When did momondo last update prices for flights from Northern Ireland to Colorado?

Prices for flights from Northern Ireland to Colorado are refreshed on a daily basis.

How old do you have to be to fly from Northern Ireland to Colorado?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Northern Ireland to Colorado.

What documentation or ID do you need to fly to Colorado?

The travel and health documents required for your trip to Colorado can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Colorado. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£812 Cheap Flights from Northern Ireland to Colorado in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Northern Ireland to Colorado

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

06:30 - 15:10BHD Belfast City-DEN Denver Intl

15h 40m1 stop London Heathrow

12:24 - 14:15DEN Denver Intl-BHD Belfast City

18h 51m2 stops Chicago O'Hare Intl London Heathrow

£812British Airways

Thu, 12 Nov - Mon, 16 Nov

06:30 - 15:10BHD Belfast City-DEN Denver Intl

15h 40m1 stop London Heathrow

17:01 - 16:05DEN Denver Intl-BHD Belfast City

16h 04m1 stop London Heathrow

£812British Airways

Thu, 12 Nov - Mon, 16 Nov

06:30 - 15:10BHD Belfast City-DEN Denver Intl

15h 40m1 stop London Heathrow

16:27 - 18:35DEN Denver Intl-BHD Belfast City

19h 08m2 stops Dallas/Fort Worth London Heathrow

£812British Airways

Thu, 12 Nov - Mon, 16 Nov

06:30 - 15:10BHD Belfast City-DEN Denver Intl

15h 40m1 stop London Heathrow

17:01 - 16:05DEN Denver Intl-BHD Belfast City

16h 04m1 stop London Heathrow

£813British Airways

Thu, 12 Nov - Mon, 16 Nov

06:30 - 15:10BHD Belfast City-DEN Denver Intl

15h 40m1 stop London Heathrow

12:24 - 17:25DEN Denver Intl-BHD Belfast City

22h 01m2 stops Chicago O'Hare Intl London Heathrow

£813British Airways

Thu, 12 Nov - Mon, 16 Nov

06:30 - 17:20BHD Belfast City-DEN Denver Intl

17h 50m2 stops London Heathrow Chicago O'Hare Intl

14:27 - 17:25DEN Denver Intl-BHD Belfast City

19h 58m2 stops Chicago O'Hare Intl London Heathrow

£816British Airways

Thu, 12 Nov - Mon, 16 Nov

06:30 - 17:20BHD Belfast City-DEN Denver Intl

17h 50m2 stops London Heathrow Chicago O'Hare Intl

14:27 - 17:25DEN Denver Intl-BHD Belfast City

19h 58m2 stops Chicago O'Hare Intl London Heathrow

£818British Airways

Thu, 12 Nov - Mon, 16 Nov

08:50 - 15:10BHD Belfast City-DEN Denver Intl

13h 20m1 stop London Heathrow

14:37 - 17:25DEN Denver Intl-BHD Belfast City

19h 48m2 stops Chicago O'Hare Intl London Heathrow

£822British Airways

Thu, 4 Feb - Mon, 8 Feb

14:55 - 18:00BHD Belfast City-DEN Denver Intl

34h 05m2 stops London Gatwick Reykjavik Keflavik Intl

17:01 - 14:50DEN Denver Intl-BHD Belfast City

14h 49m1 stop London Heathrow

£837Multiple Airlines

Sat, 12 Dec - Tue, 12 Jan

09:25 - 10:35BHD Belfast City-DEN Denver Intl

32h 10m3 stops Manchester Frankfurt am Main Toronto Pearson Intl

13:30 - 16:15DEN Denver Intl-BHD Belfast City

19h 45m2 stops Toronto Pearson Intl London Heathrow

£1,087Multiple Airlines

Sat, 12 Dec - Tue, 12 Jan

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British Airways flights from Northern Ireland to Colorado

Our best British Airways deals on Northern Ireland to Colorado flight tickets

British Airways

4 Feb

BHD08:50Belfast City

13h 20m

1 stop

DEN15:10Denver Intl

8 Feb

DEN14:37Denver Intl

19h 48m

2 stops

BHD17:25Belfast City

£742

British Airways

4 Feb

BHD11:05Belfast City

18h 50m

2 stops

DEN22:55Denver Intl

8 Feb

DEN12:22Denver Intl

20h 43m

2 stops

BHD16:05Belfast City

£747

British Airways

12 Nov

BHD06:30Belfast City

15h 40m

1 stop

DEN15:10Denver Intl

16 Nov

DEN12:24Denver Intl

18h 51m

2 stops

BHD14:15Belfast City

£812

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastDenver

BHD Belfast City - DEN Denver Intl

BHDDEN

Belfast City

Thu 12/11

06:30-15:10

1 stop15h 40m

Denver Intl

Mon 16/11

12:24-14:15

2 stops18h 51m

£812

Fastest return journey

BelfastDenver

BHD Belfast City - DEN Denver Intl

BHDDEN

Belfast City

Thu 12/11

06:30-15:10

1 stop15h 40m

Denver Intl

Mon 16/11

17:01-16:05

1 stop16h 04m

£812

BelfastDenver

BHD Belfast City - DEN Denver Intl

BHDDEN

Belfast City

Thu 12/11

06:30-15:10

1 stop15h 40m

Denver Intl

Mon 16/11

16:27-18:35

2 stops19h 08m

£812

BelfastDenver

BHD Belfast City - DEN Denver Intl

BHDDEN

Belfast City

Thu 12/11

06:30-15:10

1 stop15h 40m

Denver Intl

Mon 16/11

17:01-16:05

1 stop16h 04m

£813

BelfastDenver

BHD Belfast City - DEN Denver Intl

BHDDEN

Belfast City

Thu 12/11

06:30-15:10

1 stop15h 40m

Denver Intl

Mon 16/11

12:24-17:25

2 stops22h 01m

£813

BelfastDenver

BHD Belfast City - DEN Denver Intl

BHDDEN

Belfast City

Thu 12/11

06:30-17:20

2 stops17h 50m

Denver Intl

Mon 16/11

14:27-17:25

2 stops19h 58m

£816

BelfastDenver

BHD Belfast City - DEN Denver Intl

BHDDEN

Belfast City

Thu 12/11

06:30-17:20

2 stops17h 50m

Denver Intl

Mon 16/11

14:27-17:25

2 stops19h 58m

£818

BelfastDenver

BHD Belfast City - DEN Denver Intl

BHDDEN

Belfast City

Thu 4/2

08:50-15:10

1 stop13h 20m

Denver Intl

Mon 8/2

14:37-17:25

2 stops19h 48m

£822

BelfastDenver

BHD Belfast City - DEN Denver Intl

BHDDEN

Belfast City

Sat 12/12

14:55-18:00

2 stops34h 05m

Denver Intl

Tue 12/1

17:01-14:50

1 stop14h 49m

£837

BelfastDenver

BHD Belfast City - DEN Denver Intl

BHDDEN

Belfast City

Sat 12/12

09:25-10:35

3 stops32h 10m

Denver Intl

Tue 12/1

13:30-16:15

2 stops19h 45m

£1,087

Flights are sorted by cheapest return flights first.

Showing 1-10 of 11 resultsSorted by cheapest first

How to get the cheapest flight ticket from Northern Ireland to Colorado

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Northern Ireland to Colorado?

Delta is the most popular carrier operating from Northern Ireland to Colorado

Cheap Northern Ireland to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Northern Ireland to Colorado

Best price found	£1,462
Fastest flight time	13h 20m
Direct flights	None

The best one-way flight to Colorado from Northern Ireland in the past 72 hours is £1,462. The best return flight deal from Northern Ireland to Colorado found on momondo in the last 72 hours is £812.

The fastest flight from Northern Ireland to Colorado takes 13h 20m

There are no direct flights from Northern Ireland to Colorado. There are no popular flight routes from Northern Ireland to Colorado.

Search flight deals

Frequently asked questions about flying from Northern Ireland to Colorado

When did momondo last update prices for flights from Northern Ireland to Colorado?
Prices for flights from Northern Ireland to Colorado are refreshed on a daily basis.
How old do you have to be to fly from Northern Ireland to Colorado?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Northern Ireland to Colorado.
What documentation or ID do you need to fly to Colorado?
The travel and health documents required for your trip to Colorado can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Colorado. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Northern Ireland to Colorado

Compare and see reviews for airlines that fly from Northern Ireland to Colorado with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £574	Free Cancellation	Rating 6.7 8,244 reviews		Search British Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Northern Ireland to Colorado?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Colorado from Northern Ireland.

Can I find flights from Northern Ireland to Colorado with flexible booking policies on momondo?

Flights from Northern Ireland to Colorado with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Northern Ireland to Colorado?

Once all potential Northern Ireland to Colorado flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Northern Ireland to Colorado right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Northern Ireland to Colorado flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.