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Cheap flights from Colorado to Northern Ireland from £291

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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BFS
24 Aug — 31 Aug1
1 adult

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 19 August 2025.

Round-trip from

£488

One-way from

£291

Popular in

December

Cheapest in

February

Average price

£689
British Airways
  • British Airways
  • 8/10-14/10
  • 3 total stops
  • 45h 18m total
  • Colorado to Northern Ireland
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British Airways
  • British Airways
  • 2/10
  • 1 total stop
  • 13h 55m total
  • Colorado to Northern Ireland
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£52 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 August 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 19 August 2025.

Wed 8/1010:42DEN - BHD
2 stops18h 13mBritish Airways
Tue 14/1020:20BHD - DEN
1 stop27h 05mBritish Airways
Deal found 17/8£488
Thu 2/1005:44DEN - BHD
2 stops24h 31mBritish Airways
Sun 12/1006:50BHD - DEN
1 stop16h 35mBritish Airways
Deal found 19/8£488
Thu 2/1018:59DEN - BHD
2 stops17h 21mAmerican Airlines
Sun 12/1013:00BHD - DEN
2 stops17h 41mAmerican Airlines
Deal found 17/8£498
Sun 30/1117:25DEN - BHD
1 stop13h 30mBritish Airways
Fri 5/1206:45BHD - DEN
1 stop15h 45mBritish Airways
Deal found 17/8£505
Thu 2/1017:59DEN - BFS
2 stops21h 51mMultiple Airlines
Thu 9/1007:00BFS - DEN
2 stops15h 35mMultiple Airlines
Deal found 18/8£605
Sun 30/1117:25DEN - BFS
1 stop17h 50mMultiple Airlines
Fri 5/1206:30BFS - DEN
2 stops23h 34mMultiple Airlines
Deal found 19/8£675
Wed 1/1016:15DEN - BFS
2 stops24h 15mMultiple Airlines
Wed 8/1010:40BFS - DEN
2 stops35h 55mMultiple Airlines
Deal found 16/8£865
Fri 22/816:15DEN - BFS
2 stops21h 45mMultiple Airlines
Sun 24/809:55BFS - DEN
2 stops33h 35mMultiple Airlines
Deal found 18/8£1,289
Mon 18/819:55DEN - BFS
2 stops19h 35mMultiple Airlines
Sun 24/807:15BFS - DEN
2 stops18h 40mMultiple Airlines
Deal found 18/8£1,637

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 19 August 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 8/10

10:42-11:55

2 stops18h 13m

Belfast City

Tue 14/10

20:20-16:25

1 stop27h 05m

£488

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Thu 2/10

05:44-11:10

2 stops22h 26m

Belfast City

Sun 12/10

06:50-16:25

1 stop16h 35m

£488

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Thu 2/10

18:59-19:20

2 stops17h 21m

Belfast City

Sun 12/10

13:00-23:41

2 stops17h 41m

£498

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Sun 30/11

17:25-13:55

1 stop13h 30m

Belfast City

Fri 5/12

06:45-15:30

1 stop15h 45m

£505

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Thu 2/10

17:59-22:50

2 stops21h 51m

Belfast Intl

Thu 9/10

07:00-15:35

2 stops15h 35m

£605

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Sun 30/11

17:25-18:15

1 stop17h 50m

Belfast Intl

Fri 5/12

06:30-23:04

2 stops23h 34m

£675

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Wed 1/10

16:15-23:30

2 stops24h 15m

Belfast Intl

Wed 8/10

10:40-15:35

2 stops35h 55m

£865

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Thu 2/10

18:35-15:30

1 stop13h 55m

£291

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Thu 2/10

18:59-19:20

2 stops17h 21m

£295

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Thu 2/10

16:15-23:25

2 stops24h 10m

£755

Flights are sorted by cheapest return flights first.

Deals found on 17/8

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 18h 13m. 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.

  • 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

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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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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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