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Cheap flights from Colorado to Northern Ireland from £494

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/2. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BFS
9 Jan — 16 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Colorado to Northern Ireland

Enter your travel dates to find the best prices.

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 10 December 2025.

Wed 18/217:25DEN - BHD
1 stop13h 50mBritish Airways
Fri 27/206:45BHD - DEN
1 stop15h 45mBritish Airways
Deal found 8/12£494
Wed 6/516:40DEN - BFS
2 stops17h 25mMultiple Airlines
Sat 16/521:30BFS - DEN
2 stops28h 30mMultiple Airlines
Deal found 8/12£755
Thu 16/418:40DEN - BHD
1 stop13h 50mBritish Airways
Tue 21/409:35BHD - DEN
1 stop13h 55mBritish Airways
Deal found 9/12£498
Thu 5/317:25DEN - BHD
1 stop16h 15mBritish Airways
Sun 8/315:10BHD - DEN
1 stop31h 20mBritish Airways
Deal found 7/12£505
Thu 22/117:25DEN - BHD
1 stop13h 35mBritish Airways
Thu 29/120:00BHD - DEN
1 stop26h 30mBritish Airways
Deal found 9/12£505
Wed 11/217:25DEN - BHD
1 stop16h 10mBritish Airways
Sun 15/220:25BHD - DEN
1 stop26h 05mBritish Airways
Deal found 9/12£505
Fri 23/117:25DEN - BHD
1 stop13h 50mBritish Airways
Thu 29/106:35BHD - DEN
1 stop15h 55mBritish Airways
Deal found 9/12£505
Sat 2/512:43DEN - BHD
2 stops16h 32mBritish Airways
Sat 9/519:00BHD - DEN
1 stop28h 30mBritish Airways
Deal found 8/12£514

Find 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 10 December 2025.

Round-trip from

£494

Popular in

March

Cheapest in

February

Average price

£866
British Airways
  • British Airways
  • 18/2-27/2
  • 2 total stops
  • 29h 35m total
  • Colorado to Northern Ireland
Search Deals
High demand for flights, 6% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 10 December 2025.
Use the filters below to find and compare flights from Colorado to Northern Ireland that are best for you.

Fly from

Colorado

Fly to

Northern Ireland

Route

Depart

Return

Price

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Wed 18/2

17:25-14:15

1 stop13h 50m

Belfast City

Fri 27/2

06:45-15:30

1 stop15h 45m

£494

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Thu 16/4

18:40-15:30

1 stop13h 50m

Belfast City

Tue 21/4

09:35-16:30

1 stop13h 55m

£498

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Thu 5/3

17:25-16:40

1 stop16h 15m

Belfast City

Sun 8/3

15:10-16:30

1 stop31h 20m

£505

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Thu 22/1

17:25-14:00

1 stop13h 35m

Belfast City

Thu 29/1

20:00-15:30

1 stop26h 30m

£505

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Wed 11/2

17:25-16:35

1 stop16h 10m

Belfast City

Sun 15/2

20:25-15:30

1 stop26h 05m

£505

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Fri 23/1

17:25-14:15

1 stop13h 50m

Belfast City

Thu 29/1

06:35-15:30

1 stop15h 55m

£505

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Sat 2/5

12:43-12:15

2 stops16h 32m

Belfast City

Sat 9/5

19:00-16:30

1 stop28h 30m

£514

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Wed 6/5

16:40-17:05

2 stops17h 25m

Belfast Intl

Sat 16/5

21:30-19:00

2 stops28h 30m

£755

Flights are sorted by cheapest return flights first.

Deals found on 8/12

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.

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.

  • How long is the flight from Colorado to Northern Ireland?

    There are many flights that can get you from Colorado to Northern Ireland in 13h 50m. Fly via British Airways to get the fastest option. Colorado and Northern Ireland are separated by a distance of 4347 mi.

  • 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.

See more FAQs

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

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