How do I get Price Alerts for flights from Northern Ireland to Colorado?

You can take advantage of momondo’s Price Alerts by first searching for your flights to Northern Ireland from Colorado . Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

How can I save money on flights from Northern Ireland to Colorado with momondo?

Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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 many operators does momondo search for flights from Northern Ireland to Colorado?

As of August 2026, there is 1 operator available to choose from for flights from Northern Ireland to Colorado.

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.

£347 Cheap Flights from Northern Ireland to Colorado in 2026

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.

20:35 - 16:30BHD Belfast City-DEN Denver Intl

26h 55m1 stop London Heathrow

18:35 - 13:35DEN Denver Intl-BHD Belfast City

12h 00m1 stop London Heathrow

£755British Airways

Wed, 23 Sep - Wed, 30 Sep

06:10 - 11:20BFS Belfast Intl-DEN Denver Intl

36h 10m3 stops London Gatwick Montreal Pierre Elliott Trudeau Intl Calgary

11:35 - 19:15DEN Denver Intl-BFS Belfast Intl

24h 40m2 stops Toronto Pearson Intl Edinburgh Turnhouse

£762Multiple Airlines

Wed, 23 Sep - Wed, 30 Sep

20:35 - 16:30BHD Belfast City-DEN Denver Intl

26h 55m1 stop London Heathrow

14:27 - 12:00DEN Denver Intl-BHD Belfast City

14h 33m2 stops Chicago O'Hare Intl London Heathrow

£765British Airways

Wed, 23 Sep - Wed, 30 Sep

09:50 - 23:47BHD Belfast City-DEN Denver Intl

20h 57m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

17:45 - 16:55DEN Denver Intl-BHD Belfast City

16h 10m2 stops Minneapolis St Paul Amsterdam Schiphol

£767Multiple Airlines

Wed, 23 Sep - Wed, 30 Sep

06:15 - 10:22BFS Belfast Intl-DEN Denver Intl

35h 07m2 stops London Stansted Toronto Pearson Intl

17:35 - 23:10DEN Denver Intl-BFS Belfast Intl

22h 35m1 stop London Heathrow

£776Multiple Airlines

Fri, 9 Oct - Mon, 19 Oct

06:15 - 15:40BFS Belfast Intl-DEN Denver Intl

16h 25m1 stop Paris Charles de Gaulle

13:00 - 13:45DEN Denver Intl-BFS Belfast Intl

17h 45m2 stops Salt Lake City Paris Charles de Gaulle

£783Multiple Airlines

Wed, 23 Sep - Wed, 30 Sep

06:10 - 11:20BFS Belfast Intl-DEN Denver Intl

36h 10m3 stops London Gatwick Montreal Pierre Elliott Trudeau Intl Calgary

09:40 - 13:10DEN Denver Intl-BFS Belfast Intl

20h 30m3 stops Montreal Pierre Elliott Trudeau Intl Frankfurt am Main Birmingham

£785Multiple Airlines

Wed, 23 Sep - Wed, 30 Sep

06:15 - 10:22BFS Belfast Intl-DEN Denver Intl

35h 07m2 stops London Stansted Toronto Pearson Intl

11:25 - 23:10DEN Denver Intl-BFS Belfast Intl

28h 45m2 stops Montreal Pierre Elliott Trudeau Intl London Heathrow

£788Multiple Airlines

Fri, 9 Oct - Mon, 19 Oct

07:00 - 11:20BHD Belfast City-DEN Denver Intl

35h 20m3 stops London Gatwick Montreal Pierre Elliott Trudeau Intl Calgary

11:35 - 11:40DEN Denver Intl-BHD Belfast City

17h 05m2 stops Toronto Pearson Intl Edinburgh Turnhouse

£793Multiple Airlines

Wed, 23 Sep - Wed, 30 Sep

07:00 - 10:22BHD Belfast City-DEN Denver Intl

34h 22m2 stops London Gatwick Toronto Pearson Intl

17:35 - 20:30DEN Denver Intl-BHD Belfast City

19h 55m1 stop London Heathrow

£805Multiple Airlines

Fri, 9 Oct - Mon, 19 Oct

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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

23 Sept

BHD20:35Belfast City

26h 55m

1 stop

DEN16:30Denver Intl

30 Sept

DEN18:35Denver Intl

12h 00m

1 stop

BHD13:35Belfast City

£755

British Airways

23 Sept

BHD20:35Belfast City

26h 55m

1 stop

DEN16:30Denver Intl

30 Sept

DEN14:27Denver Intl

14h 33m

2 stops

BHD12:00Belfast City

£765

British Airways

4 Nov

BHD08:40Belfast City

13h 30m

1 stop

DEN15:10Denver Intl

8 Nov

DEN17:01Denver Intl

13h 49m

1 stop

BHD13:50Belfast City

£811

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastDenver

BHD Belfast City - DEN Denver Intl

BHDDEN

Belfast City

Wed 23/9

20:35-16:30

1 stop26h 55m

Denver Intl

Wed 30/9

18:35-13:35

1 stop12h 00m

£755

BelfastDenver

BFS Belfast Intl - DEN Denver Intl

BFSDEN

Belfast Intl

Wed 23/9

06:10-11:20

3 stops36h 10m

Denver Intl

Wed 30/9

11:35-19:15

2 stops24h 40m

£762

BelfastDenver

BHD Belfast City - DEN Denver Intl

BHDDEN

Belfast City

Wed 23/9

20:35-16:30

1 stop26h 55m

Denver Intl

Wed 30/9

14:27-12:00

2 stops14h 33m

£765

BelfastDenver

BHD Belfast City - DEN Denver Intl

BHDDEN

Belfast City

Wed 23/9

09:50-23:47

2 stops20h 57m

Denver Intl

Wed 30/9

17:45-16:55

2 stops16h 10m

£767

BelfastDenver

BFS Belfast Intl - DEN Denver Intl

BFSDEN

Belfast Intl

Fri 9/10

06:15-10:22

2 stops35h 07m

Denver Intl

Mon 19/10

17:35-23:10

1 stop22h 35m

£776

Fastest return journey

BelfastDenver

BFS Belfast Intl - DEN Denver Intl

BFSDEN

Belfast Intl

Wed 23/9

06:15-15:40

1 stop16h 25m

Denver Intl

Wed 30/9

13:00-13:45

2 stops17h 45m

£783

BelfastDenver

BFS Belfast Intl - DEN Denver Intl

BFSDEN

Belfast Intl

Wed 23/9

06:10-11:20

3 stops36h 10m

Denver Intl

Wed 30/9

09:40-13:10

3 stops20h 30m

£785

BelfastDenver

BFS Belfast Intl - DEN Denver Intl

BFSDEN

Belfast Intl

Fri 9/10

06:15-10:22

2 stops35h 07m

Denver Intl

Mon 19/10

11:25-23:10

2 stops28h 45m

£788

BelfastDenver

BHD Belfast City - DEN Denver Intl

BHDDEN

Belfast City

Wed 23/9

07:00-11:20

3 stops35h 20m

Denver Intl

Wed 30/9

11:35-11:40

2 stops17h 05m

£793

BelfastDenver

BHD Belfast City - DEN Denver Intl

BHDDEN

Belfast City

Fri 9/10

07:00-10:22

2 stops34h 22m

Denver Intl

Mon 19/10

17:35-20:30

1 stop19h 55m

£804

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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	£347
Fastest flight time	15h 35m
Direct flights	None

The best one-way flight to Colorado from Northern Ireland in the past 72 hours is £347. The best return flight deal from Northern Ireland to Colorado found on momondo in the last 72 hours is £755.

The fastest flight from Northern Ireland to Colorado takes 15h 35m

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 many operators does momondo search for flights from Northern Ireland to Colorado?
As of August 2026, there is 1 operator available to choose from for flights from Northern Ireland to Colorado.
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 £528	Free Cancellation	Rating 6.7 8,179 reviews		Search British Airways flights

Frequently asked questions about flying from Northern Ireland to Colorado

How do I get Price Alerts for flights from Northern Ireland to Colorado?
You can take advantage of momondo’s Price Alerts by first searching for your flights to Northern Ireland from Colorado. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.
How can I save money on flights from Northern Ireland to Colorado with momondo?
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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.