How long is the flight from Northern Ireland to Colorado?

A quick flight from Northern Ireland to Colorado can take about 15h 40m. British Airways provides one of the quickest options available for as low as £832. 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.

£420+ 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 10 October 2026.

Thu 12/1106:30 -

1 stop15h 40m

Mon 16/1117:01 -

1 stop16h 04m

Deal found 5/10£832

Wed 25/1106:35 -

1 stop15h 35m

Sat 28/1116:25 -

2 stops17h 20m

Deal found 5/10£1,182

Find flight deals from Northern Ireland to Colorado

Round-trip from	£832
One-way from	£420

British Airways
12/11-16/11
2 total stops
31h 44m total
Northern Ireland to Colorado

Search Deals

8/11-31/12
3 total stops
55h 52m 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

Sun 8/11

07:30-08:22

3 stops55h 52m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£420

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

£832

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

£842

Fastest return journey

BelfastDenver

BHD Belfast City - DEN Denver Intl

BHDDEN

Belfast City

Wed 25/11

06:35-15:10

1 stop15h 35m

Denver Intl

Sat 28/11

16:25-16:45

2 stops17h 20m

£1,182

Flights are sorted by cheapest return flights first.

Deals found on 5/10

Sorted 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

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

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

8,255 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

8,255 reviews

British Airways

6.7

Okay

8,255 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 15h 40m. British Airways provides one of the quickest options available for as low as £832. 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

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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 £420

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/11. 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 10 October 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 10 October 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 10 October 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 10 October 2026.

Last-minute flights from Northern Ireland to ColoradoDiscover last-minute flight deals from Northern Ireland to Colorado. Data last updated 10 October 2026 and is based on user searches.

Discover last-minute flight deals from Northern Ireland to Colorado. Data last updated 10 October 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 10 October 2026.

Search for one-way flight options from Northern Ireland to Colorado. Find affordable one-way fares based on user searches. Data last updated 10 October 2026.

Find flight deals from Northern Ireland to Colorado

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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 10 October 2026.

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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.

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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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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 10 October 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 10 October 2026.

Last-minute flights from Northern Ireland to Colorado
Discover last-minute flight deals from Northern Ireland to Colorado. Data last updated 10 October 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 10 October 2026.