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

Currently, January is the cheapest month in which you can book a flight from Colorado to Northern Ireland (average of £67). Flying from Colorado to Northern Ireland in July is currently the most expensive (average of £90). 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.

In terms of precipitation, rainfall in Northern Ireland ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Northern Ireland when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Northern Ireland, 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 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

What is the cheapest month to fly from Colorado to Northern Ireland?

Our data shows that February tends to be the cheapest month to fly to Northern Ireland from Colorado. Users have commonly found prices around £640 for the month, but tickets can be as low as £477. Due to multiple factors, prepare for potentially higher prices in December.

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

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

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

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

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

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

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

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

£193+ Flights from Colorado to Northern Ireland

Cheap flight deals from Colorado to Northern Ireland

Round-trip from	£477
One-way from	£193
Popular in	December
Cheapest in	February
Average price	£725

British Airways
30/9-8/10
3 total stops
31h 41m total
Colorado to Northern Ireland

Search Deals

25/8
2 total stops
23h 00m total
Colorado to Northern Ireland

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£54 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 8% potential price decrease (£37 potential savings vs. average return price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

Find flight deals from Colorado to Northern Ireland

Cheapest flights from Colorado to Northern Ireland
Explore the most affordable flight options available from Colorado to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 June 2025.

Tue 30/912:29DEN - BHD

2 stops15h 06mBritish Airways

Wed 8/1006:50BHD - DEN

1 stop16h 35mBritish Airways

Deal found 29/6£477

Mon 25/816:40DEN - BFS

2 stops23h 20mMultiple Airlines

Wed 10/910:10BFS - DEN

2 stops39h 45mMultiple Airlines

Deal found 29/6£477

Tue 30/918:35DEN - BHD

1 stop15h 55mAmerican Airlines

Wed 8/1006:50BHD - DEN

1 stop16h 35mAmerican Airlines

Deal found 29/6£482

Fri 3/1016:00DEN - BHD

2 stops22h 15mVirgin Atlantic

Tue 7/1006:30BHD - DEN

2 stops19h 40mVirgin Atlantic

Deal found 29/6£549

Fri 3/1018:25DEN - BHD

2 stops15h 30mKLM

Tue 7/1006:30BHD - DEN

2 stops20h 30mKLM

Deal found 27/6£586

Wed 6/809:40DEN - BHD

3 stops27h 15mMultiple Airlines

Tue 12/818:50BHD - DEN

3 stops32h 10mMultiple Airlines

Deal found 30/6£609

Mon 4/813:52DEN - BHD

2 stops20h 03mDelta

Mon 11/817:25BHD - DEN

2 stops30h 46mDelta

Deal found 30/6£637

Wed 6/819:55DEN - BHD

2 stops17h 00mAer Lingus

Tue 12/816:55BHD - DEN

3 stops30h 46mAer Lingus

Deal found 30/6£726

Best flights from Colorado to Northern Ireland
Discover carefully curated flight deals from Colorado to Northern Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 June 2025.

Tue 30/912:29DEN - BHD

2 stops15h 06mBritish Airways

Wed 8/1006:50BHD - DEN

1 stop16h 35mBritish Airways

Deal found 29/6£477

Mon 25/816:40DEN - BFS

2 stops23h 20mMultiple Airlines

Wed 10/910:10BFS - DEN

2 stops39h 45mMultiple Airlines

Deal found 29/6£477

Tue 30/918:35DEN - BHD

1 stop15h 55mAmerican Airlines

Wed 8/1006:50BHD - DEN

1 stop16h 35mAmerican Airlines

Deal found 29/6£482

Fri 3/1016:00DEN - BHD

2 stops22h 15mVirgin Atlantic

Tue 7/1006:30BHD - DEN

2 stops19h 40mVirgin Atlantic

Deal found 29/6£549

Fri 3/1018:25DEN - BHD

2 stops15h 30mKLM

Tue 7/1006:30BHD - DEN

2 stops20h 30mKLM

Deal found 27/6£586

Mon 4/813:52DEN - BHD

2 stops20h 03mDelta

Mon 11/817:25BHD - DEN

2 stops30h 46mDelta

Deal found 30/6£637

Wed 6/819:55DEN - BHD

2 stops17h 00mAer Lingus

Tue 12/816:55BHD - DEN

3 stops30h 46mAer Lingus

Deal found 30/6£726

Wed 6/809:40DEN - BHD

3 stops27h 15mMultiple Airlines

Tue 12/818:50BHD - DEN

3 stops32h 10mMultiple Airlines

Deal found 30/6£609

Last-minute flights from Colorado to Northern Ireland
Discover last-minute flight deals from Colorado to Northern Ireland. Data last updated 30 June 2025 and is based on user searches.

Fri 4/707:45DEN - BFS

2 stops30h 15mMultiple Airlines

Sun 6/722:55BFS - DEN

3 stops43h 32mMultiple Airlines

Deal found 30/6£1,013

Fri 4/719:55DEN - BHD

2 stops30h 55mAer Lingus

Sun 6/720:05BHD - DEN

2 stops28h 54mAer Lingus

Deal found 30/6£1,174

Tue 15/707:45DEN - BHD

2 stops30h 25mMultiple Airlines

Sat 26/717:50BHD - DEN

2 stops33h 10mMultiple Airlines

Deal found 29/6£800

Tue 15/718:35DEN - BHD

1 stop13h 45mBritish Airways

Sat 26/718:30BHD - DEN

2 stops35h 17mBritish Airways

Deal found 29/6£819

One-way flights from Colorado to Northern Ireland
Search for one-way flight options from Colorado to Northern Ireland. Find affordable one-way fares based on user searches. Data last updated 30 June 2025.

Mon 25/816:40DEN - BFS

2 stops23h 00mMultiple Airlines

Deal found 29/6£193

Mon 25/816:40DEN - BHD

2 stops38h 50mMultiple Airlines

Deal found 29/6£241

Tue 19/818:35DEN - BHD

1 stop15h 55mBritish Airways

Deal found 28/6£274

Tue 19/818:35DEN - BHD

1 stop15h 55mAmerican Airlines

Deal found 30/6£277

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Tue 30/9

12:29-10:35

2 stops15h 06m

Belfast City

Wed 8/10

06:50-16:25

1 stop16h 35m

£477

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Mon 25/8

16:40-23:00

2 stops23h 20m

Belfast Intl

Wed 10/9

10:10-18:55

2 stops39h 45m

£477

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Tue 30/9

18:35-17:30

1 stop15h 55m

Belfast City

Wed 8/10

06:50-16:25

1 stop16h 35m

£482

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Fri 3/10

16:00-21:15

2 stops22h 15m

Belfast City

Tue 7/10

06:30-19:10

2 stops19h 40m

£549

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Fri 3/10

18:25-16:55

2 stops15h 30m

Belfast City

Tue 7/10

06:30-20:00

2 stops20h 30m

£586

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Wed 6/8

09:40-19:55

3 stops27h 15m

Belfast City

Tue 12/8

18:50-20:00

3 stops32h 10m

£609

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Mon 4/8

13:52-16:55

2 stops20h 03m

Belfast City

Mon 11/8

17:25-17:11

2 stops30h 46m

£637

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Wed 6/8

19:55-19:55

2 stops17h 00m

Belfast City

Tue 12/8

16:55-16:41

3 stops30h 46m

£726

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Mon 25/8

16:40-22:40

2 stops23h 00m

£193

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Mon 25/8

16:40-14:30

2 stops38h 50m

£241

Flights are sorted by cheapest return flights first.

Deals found on 29/6

Showing 1-10 of 12 results

Best time to book a flight from Colorado to Northern Ireland

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

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 Colorado to Northern Ireland

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

Reviews of airlines servicing Northern Ireland

Get a feel of what it's like to fly with Delta, KLM, andVirgin Atlantic from Colorado to Northern Ireland by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,973 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very Good

7,973 reviews

Delta

8.0

Very Good

7,973 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,365 reviews

Delta

8.0

Very Good

7,973 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Virgin Atlantic

7.4

Good

654 reviews

Delta

8.0

Very Good

7,973 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very Good

7,973 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Aer Lingus

7.1

Good

1,140 reviews

Delta

8.0

Very Good

7,973 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Can I find deals for flights from Colorado to Northern Ireland that include hotel bookings?
Yes. In addition to deals on Colorado to Northern Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Colorado to Northern Ireland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado to Northern Ireland.
Can I find deals for business class flights from Colorado to Northern Ireland?
Yes. Cheapflights offers flight deals from Colorado to Northern Ireland 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 Colorado to Northern Ireland?
Currently, January is the cheapest month in which you can book a flight from Colorado to Northern Ireland (average of £67). Flying from Colorado to Northern Ireland in July is currently the most expensive (average of £90). 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

Alternative routes for Colorado to Northern Ireland

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

Cheapflights helps you search for flights from Colorado to Northern Ireland 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 Colorado to Northern Ireland?

Cheapflights simply makes it quick and affordable to book flights from Colorado to Northern Ireland by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Colorado to Northern Ireland flexibly with Cheapflights today.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Cheap flights from Colorado to Northern Ireland from £193

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 25/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Colorado to Northern Ireland

Keep the following information in mind while searching for Colorado to Northern Ireland flight deals. Data was last updated 30 June 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Colorado to Northern Ireland

Cheapest flights from Colorado to Northern IrelandExplore the most affordable flight options available from Colorado to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 June 2025.

Explore the most affordable flight options available from Colorado to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 June 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Colorado to Northern Ireland

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

Cheapflights Insights

Everything you need to know about your flight from Colorado to Northern Ireland

Reviews of airlines servicing Northern Ireland

Get a feel of what it's like to fly with Delta, KLM, andVirgin Atlantic from Colorado to Northern Ireland by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Colorado to Northern Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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 Colorado to Northern Ireland

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

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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

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

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

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Book with Flexibility

Travel Smart

Cheapest flights from Colorado to Northern Ireland
Explore the most affordable flight options available from Colorado to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 June 2025.