How long is the flight from Northern Ireland to Colorado?

A quick flight from Northern Ireland to Colorado can take about 27h 45m. British Airways provides one of the quickest options available for as low as £723. There are 4347 mi between Northern Ireland and Colorado.

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 NIR to CO?

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

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

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

How can I find direct flights from Northern Ireland to Colorado?

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

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

Yes. Cheapflights offers flight deals from Northern Ireland 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.

£350+ Cheap Flights from Northern Ireland to Colorado

Cheap flight deals from Northern Ireland to Colorado

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Northern Ireland to Colorado
Explore the most affordable flight options available from Northern Ireland to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2026.

Wed 7/1010:05 -

1 stop13h 20m

Sun 11/1018:35 -

1 stop16h 05m

Deal found 1/9£581

Thu 10/908:20 -

3 stops34h 00m

Mon 14/916:40 -

2 stops21h 00m

Deal found 28/8£713

Wed 7/1019:40 -

1 stop27h 45m

Wed 28/1018:01 -

1 stop13h 14m

Deal found 1/9£723

Thu 10/906:30 -

1 stop17h 00m

Mon 14/918:40 -

1 stop13h 50m

Deal found 28/8£731

Thu 10/912:45 -

2 stops18h 06m

Mon 14/916:51 -

2 stops18h 54m

Deal found 28/8£740

Thu 1/1008:20 -

3 stops34h 00m

Tue 6/1011:25 -

2 stops16h 15m

Deal found 27/8£785

Thu 24/906:40 -

3 stops23h 28m

Thu 1/1011:35 -

2 stops24h 55m

Deal found 27/8£986

Wed 7/1013:35 -

3 stops35h 50m

Wed 28/1016:40 -

2 stops16h 50m

Deal found 1/9£988

Thu 12/1106:30 -

2 stops23h 31m

Mon 16/1112:54 -

2 stops18h 21m

Deal found 30/8£1,084

Wed 25/1108:40 -

1 stop13h 30m

Sat 28/1115:10 -

2 stops16h 05m

Deal found 30/8£1,160

Find flight deals from Northern Ireland to Colorado

Round-trip from	£581
One-way from	£350

British Airways
7/10-11/10
2 total stops
29h 25m total
Northern Ireland to Colorado

Search Deals

19/10
3 total stops
39h 08m total
Northern Ireland to Colorado

Search Deals

Cheapflights 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

Wed 7/10

19:40-16:25

1 stop27h 45m

Denver Intl

Wed 28/10

16:54-16:55

2 stops18h 01m

£723

Fastest return journey

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

17:01-14:15

1 stop14h 14m

£737

BelfastDenver

BFS Belfast Intl - DEN Denver Intl

BFSDEN

Belfast Intl

Thu 1/10

06:40-20:17

2 stops20h 37m

Denver Intl

Tue 6/10

11:35-19:50

2 stops25h 15m

£828

BelfastDenver

BFS Belfast Intl - DEN Denver Intl

BFSDEN

Belfast Intl

Thu 24/9

08:20-11:20

2 stops34h 00m

Denver Intl

Thu 1/10

11:35-19:30

2 stops24h 55m

£999

BelfastColorado Springs

BHD Belfast City - COS Colorado Springs

BHDCOS

Belfast City

Thu 12/11

06:30-23:01

2 stops23h 31m

Colorado Springs

Mon 16/11

12:54-14:15

2 stops18h 21m

£1,084

BelfastColorado Springs

BHD Belfast City - COS Colorado Springs

BHDCOS

Belfast City

Thu 21/1

06:30-18:33

2 stops19h 03m

Colorado Springs

Mon 25/1

08:03-18:35

2 stops27h 32m

£1,090

Cheapest one-way

BelfastDenver

BHD Belfast City - DEN Denver Intl

BHDDEN

Belfast City

Mon 19/10

07:00-17:21

3 stops41h 21m

£438

BelfastDenver

BFS Belfast Intl - DEN Denver Intl

BFSDEN

Belfast Intl

Tue 20/10

23:30-19:00

2 stops26h 30m

£504

BelfastDenver

BFS Belfast Intl - DEN Denver Intl

BFSDEN

Belfast Intl

Mon 19/10

09:10-08:18

2 stops30h 08m

£504

Fastest single journey

BelfastDenver

BFS Belfast Intl - DEN Denver Intl

BFSDEN

Belfast Intl

Sun 18/10

07:20-19:00

2 stops18h 40m

£660

Flights are sorted by cheapest return flights first.

Deals found on 1/9

Showing 1-10 of 11 resultsSorted by cheapest first

Best time to book a flight from Northern Ireland to Colorado

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

BHD-DEN

BFS-DEN

BHD-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 Northern Ireland to Colorado

GBNIR-USCO

BHD-DEN

BFS-DEN

BHD-COS

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Colorado

Check out reviews from past customers who have flown with British Airways from Northern Ireland to Colorado to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

British Airways

6.7

Okay

8,195 reviews

Check prices

Reviews

1 / 20

6.0

Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

British Airways

6.7

Okay

8,195 reviews

British Airways

6.7

Okay

8,195 reviews

Check prices

Reviews

1 / 20

6.0

Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

Related info for your journey

How long is the flight from Northern Ireland to Colorado?
A quick flight from Northern Ireland to Colorado can take about 27h 45m. British Airways provides one of the quickest options available for as low as £723. There are 4347 mi between Northern Ireland and Colorado.
Can I find deals for flights from Northern Ireland to Colorado that include hotel bookings?
Yes. In addition to deals on Northern Ireland to Colorado flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Northern Ireland to Colorado?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Northern Ireland to Colorado.
Can I find deals for business class flights from Northern Ireland to Colorado?
Yes. Cheapflights offers flight deals from Northern Ireland 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Northern Ireland to Colorado

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Top airline flying from Northern Ireland to Colorado

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£528	Average£963	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

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How does Cheapflights help users find flights from Northern Ireland to Colorado?

When you search for this flight from Northern Ireland to Colorado, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Northern Ireland to Colorado for you. Better yet — we are completely free to use.

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

Yes! Cheapflights helps users easily find flights from Northern Ireland to Colorado with no change fees.

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

Not ready to book yet? You can track prices for flights from Northern Ireland to Colorado on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Northern Ireland to Colorado from £350

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 19/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Northern Ireland to Colorado

Cheapest flights from Northern Ireland to ColoradoExplore the most affordable flight options available from Northern Ireland to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2026.

Explore the most affordable flight options available from Northern Ireland to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2026.

Best flights from Northern Ireland to ColoradoDiscover carefully curated flight deals from Northern Ireland to Colorado that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 September 2026.

Discover carefully curated flight deals from Northern Ireland to Colorado that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 September 2026.

Last-minute flights from Northern Ireland to ColoradoDiscover last-minute flight deals from Northern Ireland to Colorado. Data last updated 1 September 2026 and is based on user searches.

Discover last-minute flight deals from Northern Ireland to Colorado. Data last updated 1 September 2026 and is based on user searches.

One-way flights from Northern Ireland to ColoradoSearch for one-way flight options from Northern Ireland to Colorado. Find affordable one-way fares based on user searches. Data last updated 1 September 2026.

Search for one-way flight options from Northern Ireland to Colorado. Find affordable one-way fares based on user searches. Data last updated 1 September 2026.

Find flight deals from Northern Ireland to Colorado

Round-trip from

One-way from

Cheapflights Fare Finder

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

Best time to book a flight from Northern Ireland to Colorado

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

Cheapflights Insights

Reviews of airlines servicing Colorado

Check out reviews from past customers who have flown with British Airways from Northern Ireland to Colorado to help guide your decision. 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 Northern Ireland to Colorado?

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

How can I find direct flights from Northern Ireland to Colorado?

Can I find deals for business class flights from Northern Ireland 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 Northern Ireland 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 Northern Ireland to Colorado by cabin class

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

Northern Ireland and Colorado flights

Browse other Northern Ireland and Colorado flight options. Last updated on 1 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Find a return flight route from Colorado

Find the right flight back to Northern Ireland after your stay in Colorado

Northern Ireland to Colorado flights

Consider these flights travelling from Northern Ireland to Colorado.

Top airline flying from Northern Ireland to Colorado

Fly with Cheapflights

How does Cheapflights help users find flights from Northern Ireland to Colorado?

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

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

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

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Book with Flexibility

Travel Smart

Cheapest flights from Northern Ireland to Colorado
Explore the most affordable flight options available from Northern Ireland to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2026.

Best flights from Northern Ireland to Colorado
Discover carefully curated flight deals from Northern Ireland to Colorado that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 September 2026.

Last-minute flights from Northern Ireland to Colorado
Discover last-minute flight deals from Northern Ireland to Colorado. Data last updated 1 September 2026 and is based on user searches.

One-way flights from Northern Ireland to Colorado
Search for one-way flight options from Northern Ireland to Colorado. Find affordable one-way fares based on user searches. Data last updated 1 September 2026.