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$485+ Cheap flights from Colorado to Northern Ireland

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 6/25. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BFS
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
1 adult, Economy
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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 February 22, 2025.

Round-trip from

$610
(Cheapflightsfares)

One-way from

$485
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$661
From Colorado to Northern Ireland
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One-way flight from Colorado to Northern Ireland
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Highest demand for flights based on searches. 17% potential increase in price ($194 potential increase over avg. RT price).
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Cheapest flight prices on average. 11% potential price decrease ($97 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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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 February 22, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/246:35 pmDEN - BHD
1 stop19h 10mBritish Airways
Thu 5/19:35 amBHD - DEN
1 stop13h 50mBritish Airways
Deal found 2/21$610
This Finnair deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/26:35 pmDEN - BHD
1 stop13h 55mMultiple Airlines
Sun 10/128:05 pmBHD - DEN
2 stops28h 37mMultiple Airlines
Deal found 2/20$685
This American Airlines deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/22:43 pmDEN - BHD
2 stops15h 32mAmerican Airlines
Sun 10/126:50 amBHD - DEN
1 stop16h 35mAmerican Airlines
Deal found 2/21$688
This Mytrip deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/14:40 pmDEN - BFS
2 stops22h 00mMultiple Airlines
Tue 4/87:25 amBFS - DEN
3 stops42h 30mMultiple Airlines
Deal found 2/21$899
This StudentUniverse deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/227:00 amDEN - BHD
3 stops24h 15mAer Lingus
Sat 3/299:10 amBHD - DEN
2 stops18h 38mAer Lingus
Deal found 2/20$3,826

Find flights from Colorado to Northern Ireland within your budget

Customize your flight search to find flights from Colorado to Northern Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 22, 2025.

Fly from

Colorado

Fly to

Northern Ireland

Route

Depart

Return

Price

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Thu 4/24

6:35 pm-8:45 pm

1 stop19h 10m

Belfast City

Thu 5/1

9:35 am-4:25 pm

1 stop13h 50m

$610

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Tue 4/1

4:40 pm-9:40 pm

2 stops22h 00m

Belfast Intl

Tue 4/8

7:25 am-6:55 pm

3 stops42h 30m

$899

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Sun 3/16

12:46 pm-10:20 am

2 stops15h 34m

Belfast City

Sat 3/29

11:15 am-5:59 pm

2 stops36h 44m

$1,122

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Sat 3/22

7:00 am-1:15 pm

3 stops24h 15m

Belfast City

Sat 3/29

9:10 am-9:48 pm

2 stops18h 38m

$3,826

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Wed 6/25

7:00 am-8:10 am

3 stops42h 10m

$485

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Wed 6/25

9:59 am-12:40 pm

3 stops19h 41m

$558

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Wed 6/25

6:35 pm-6:40 pm

1 stop17h 05m

$764

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

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 round-trip 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.

Travel insights for flights from Colorado to Northern Ireland

Get recent, data-driven insights about flights from Colorado to Northern Ireland including ideal travel times, pricing trends, and more.

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

Currently, February is the cheapest month in which you can book a flight from Colorado to Northern Ireland (average of $657). Flying from Colorado to Northern Ireland in June is currently the most expensive (average of $1,189). 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.

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

Find hourly flight availability from Colorado to Northern Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 22, 2025.

When flying from Colorado to Northern Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Northern Ireland by month

Plan your trip to Northern Ireland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Northern Ireland ranges from 2.0 - 3.5 inches per month. October is typically the wettest month, when rainfall can reach 3.5 in. April is typically the driest time to visit Northern Ireland when rainfall is around 2.0 in.

Temperature in Northern Ireland by month

Plan your trip to Northern Ireland by taking into account the average temperature totals by month.

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 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Northern Ireland

Get insights into the airlines that provide service to Northern Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Northern Ireland. Reviews last updated February 22, 2025.
Aer Lingus
7.0
Good
1,070 reviews

Overall

7.0

Boarding

7.2

Entertainment

6.7

Crew

7.9

Food

6.4

Comfort

7.0

Reviews

1 / 20

4.0
Okay

Anonymous,Feb 2025

LAS - DUB

Twin prop plane with no space in it, should have been left where it belongs 40 years ago. Very unstable coming into land on both flights two weeks apart.

Aer Lingus
7.0
Good
1,070 reviews
Aer Lingus
7.0
Good
1,070 reviews

Overall

7.0

Boarding

7.2

Entertainment

6.7

Crew

7.9

Food

6.4

Comfort

7.0

Reviews

1 / 20

4.0
Okay

Anonymous,Feb 2025

LAS - DUB

Twin prop plane with no space in it, should have been left where it belongs 40 years ago. Very unstable coming into land on both flights two weeks apart.

British Airways
6.6
Okay
6,759 reviews
Aer Lingus
7.0
Good
1,070 reviews

Overall

7.0

Boarding

7.2

Entertainment

6.7

Crew

7.9

Food

6.4

Comfort

7.0

Reviews

1 / 20

4.0
Okay

Anonymous,Feb 2025

LAS - DUB

Twin prop plane with no space in it, should have been left where it belongs 40 years ago. Very unstable coming into land on both flights two weeks apart.

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?

    Yes. In addition to deals on Colorado to Northern Ireland flights, Cheapflights offers vacation 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, February is the cheapest month in which you can book a flight from Colorado to Northern Ireland (average of $657). Flying from Colorado to Northern Ireland in June is currently the most expensive (average of $1,189). 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

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Alternative routes for Colorado to Northern Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Colorado to Northern Ireland

Discover the top 2 airlines that operate flights from Colorado to Northern Ireland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$573Average$677FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$634Average$798FlexibilityNo cancel feeOn-time71%
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