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Cheap flights from Colorado to Northern Ireland from £308

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 25/12. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BFS
6 Sep — 13 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Colorado to Northern Ireland

Enter your travel dates to find the best prices.

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 7 August 2026.

Thu 12/1115:40 -
2 stops21h 10m
Mon 23/1114:00 -
3 stops35h 00m
Deal found 4/8£671
Sun 15/1117:01 -
1 stop13h 54m
Wed 18/1106:35 -
1 stop15h 35m
Deal found 3/8£704
Thu 12/1117:05 -
1 stop12h 45m
Mon 23/1119:25 -
1 stop26h 45m
Deal found 4/8£721
Sat 5/1217:01 -
1 stop15h 54m
Wed 9/1211:25 -
1 stop34h 45m
Deal found 2/8£742
Tue 1/914:21 -
2 stops17h 59m
Tue 15/918:20 -
1 stop29h 10m
Deal found 3/8£753
Sun 13/916:40 -
2 stops21h 50m
Wed 16/906:10 -
3 stops21h 07m
Deal found 4/8£754
Mon 31/818:40 -
1 stop13h 50m
Fri 11/906:30 -
1 stop17h 00m
Deal found 3/8£756
Tue 1/915:15 -
2 stops19h 20m
Fri 11/909:35 -
2 stops19h 59m
Deal found 3/8£757
Mon 31/818:40 -
1 stop15h 50m
Fri 11/906:30 -
2 stops17h 27m
Deal found 3/8£759
Sun 13/916:40 -
2 stops21h 50m
Sun 20/920:25 -
3 stops29h 21m
Deal found 5/8£808
Tue 15/911:25 -
2 stops16h 15m
Thu 24/914:25 -
2 stops34h 50m
Deal found 4/8£867
Sat 21/1111:20 -
3 stops25h 15m
Sat 28/1106:00 -
2 stops35h 30m
Deal found 6/8£917

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 7 August 2026.

Round-trip from

£671

One-way from

£308
12/11-23/11
  • 12/11-23/11
  • 5 total stops
  • 56h 10m total
  • Colorado to Northern Ireland
Search Deals
British Airways
  • British Airways
  • 25/12
  • 1 total stop
  • 14h 14m total
  • Colorado to Northern Ireland
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 7 August 2026.
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

Cheapest return flight

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Sun 15/11

17:01-13:55

1 stop13h 54m

Belfast City

Wed 18/11

06:35-15:10

1 stop15h 35m

£704
Fastest return journey

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Sun 31/1

17:01-13:55

1 stop13h 54m

Belfast City

Wed 3/2

09:15-15:10

1 stop12h 55m

£712

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Thu 12/11

15:40-18:55

3 stops20h 15m

Belfast Intl

Mon 23/11

14:00-18:00

3 stops35h 00m

£736

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Sun 13/9

16:40-21:30

2 stops21h 50m

Belfast Intl

Wed 16/9

06:10-20:17

3 stops21h 07m

£754

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Sun 13/9

16:40-21:30

2 stops21h 50m

Belfast Intl

Sun 20/9

20:25-18:46

3 stops29h 21m

£808

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Sat 17/10

18:35-15:05

1 stop13h 30m

Belfast City

Sat 24/10

16:15-16:10

1 stop30h 55m

£823

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Sat 21/11

11:20-19:35

3 stops25h 15m

Belfast Intl

Sat 28/11

06:00-10:30

2 stops35h 30m

£917

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Tue 15/9

11:35-15:15

2 stops20h 40m

Belfast Intl

Thu 24/9

08:20-10:22

3 stops33h 02m

£989
Cheapest one-way
Fastest single journey

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Fri 25/12

17:01-14:15

1 stop14h 14m

£308

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Fri 25/12

09:12-10:30

2 stops18h 18m

£316

Flights are sorted by cheapest return flights first.

Deals found on 3/8

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

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 54m. 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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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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Fly with Cheapflights

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

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

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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.

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