Cheap flights from Northern Ireland to Colorado from £540

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 31/12. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — DEN
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Northern Ireland to Colorado

Keep the following information in mind while searching for Northern Ireland to Colorado flight deals. Data was last updated 27 November 2025.

Round-trip from

£589

One-way from

£540
American Airlines
  • American Airlines
  • 16/1-18/1
  • 2 total stops
  • 29h 15m total
  • Northern Ireland to Colorado
31/12
  • 31/12
  • 3 total stops
  • 41h 28m total
  • Northern Ireland to Colorado

Find flight deals from Northern Ireland to Colorado

Enter your travel dates to find the best prices.

Cheapest flights from Northern Ireland to Colorado
Explore the most affordable flight options available from Northern Ireland to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 November 2025.

Wed 31/1209:15BHD - DEN
2 stops20h 11mMultiple Airlines
Sun 4/123:35DEN - BHD
2 stops28h 05mMultiple Airlines
Deal found 25/11£1,195
Wed 31/1220:50BFS - DEN
2 stops24h 45mMultiple Airlines
Sun 4/117:45DEN - BFS
2 stops18h 10mMultiple Airlines
Deal found 25/11£1,339
Wed 31/1214:00BHD - DEN
3 stops34h 04mBritish Airways
Sun 4/118:40DEN - BHD
2 stops38h 25mBritish Airways
Deal found 25/11£1,644

Cheapflights Fare Finder

 
Customise your flight search to find flights from Northern Ireland to Colorado 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 27 November 2025.
Use the filters below to find and compare flights from Northern Ireland to Colorado that are best for you.

Fly from

Northern Ireland

Fly to

Colorado

Route

Depart

Return

Price

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Thu 22/1

09:05-15:30

1 stop13h 25m

Denver Intl

Mon 26/1

10:45-10:40

2 stops16h 55m

£589

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Fri 16/1

06:45-15:30

1 stop15h 45m

Denver Intl

Sun 18/1

16:30-16:50

2 stops17h 20m

£589

BelfastColorado Springs

BHD - COS

BHDCOS

Belfast City

Wed 13/5

06:50-20:11

2 stops20h 21m

Colorado Springs

Sun 17/5

17:11-17:30

2 stops41h 19m

£880

BelfastColorado Springs

BHD - COS

BHDCOS

Belfast City

Wed 13/5

06:50-23:25

2 stops23h 35m

Colorado Springs

Sun 17/5

17:11-15:40

2 stops39h 29m

£880

BelfastColorado Springs

BHD - COS

BHDCOS

Belfast City

Thu 29/1

11:05-12:09

2 stops32h 04m

Colorado Springs

Mon 2/2

15:17-16:05

2 stops17h 48m

£895

BelfastDenver

BFS - DEN

BFSDEN

Belfast Intl

Wed 31/12

20:50-14:35

2 stops24h 45m

Denver Intl

Sun 4/1

17:45-18:55

2 stops18h 10m

£1,339

BelfastDenver

BFS - DEN

BFSDEN

Belfast Intl

Wed 31/12

17:30-03:58

3 stops41h 28m

£540

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Wed 31/12

07:00-00:25

3 stops48h 25m

£576

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Wed 31/12

17:40-15:30

1 stop28h 50m

£978

Flights are sorted by cheapest return flights first.

Deals found on 25/11

Best time to book a flight from Northern Ireland to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado from Northern Ireland 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 Northern Ireland to Colorado
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated 27 November 2025.
Check out reviews from past customers who have flown with British Airways from Northern Ireland to Colorado to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

7.6

Overall

6.7

Boarding

6.9

Comfort

6.7

Food

6.3

Entertainment

6.4

Reviews

1 / 20
6.0
Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

Crew

7.6

Overall

6.7

Boarding

6.9

Comfort

6.7

Food

6.3

Entertainment

6.4

Reviews

1 / 20
6.0
Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

Related info for your journey

Find useful and relevant information for your journey from Northern Ireland to Colorado. 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 Northern Ireland to Colorado?

    A quick flight from Northern Ireland to Colorado can take about 13h 25m. American Airlines provides one of the quickest options available for as low as £589. There are 4347 mi between Northern Ireland and Colorado. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Northern Ireland to Colorado 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 Northern Ireland to Colorado

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

Top airline flying from Northern Ireland to Colorado

Discover the top airline that operate flights from Northern Ireland to Colorado. 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 858,174 searches. Data last updated 27 November 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£499Average£718FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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

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