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Cheap flights from Northern Ireland to Colorado from £689

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/4. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — DEN
16 Dec — 23 Dec1
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 16 November 2025.

Round-trip from

£689
American Airlines
  • American Airlines
  • 29/4-3/5
  • 2 total stops
  • 32h 50m total
  • Northern Ireland to Colorado
Search Deals

Find flight deals from Northern Ireland to Colorado

Enter your travel dates to find the best prices.

Best flights from Northern Ireland to Colorado
Discover carefully curated flight deals from Northern Ireland to Colorado that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 November 2025.

Wed 29/406:50BHD - DEN
1 stop16h 45mAmerican Airlines
Sun 3/518:40DEN - BHD
1 stop16h 05mAmerican Airlines
Deal found 14/11£689
Wed 29/406:50BHD - DEN
1 stop16h 45mBritish Airways
Sun 3/518:40DEN - BHD
1 stop13h 00mBritish Airways
Deal found 13/11£692
Wed 13/506:50BHD - COS
2 stops20h 21mAmerican Airlines
Sun 17/517:11COS - BHD
2 stops39h 29mAmerican Airlines
Deal found 15/11£933
Sat 25/409:35BHD - COS
2 stops20h 50mAmerican Airlines
Wed 29/417:11COS - BHD
2 stops18h 29mAmerican Airlines
Deal found 13/11£962
Wed 1/406:50BHD - DEN
1 stop16h 45mAmerican Airlines
Sun 5/410:23DEN - BHD
2 stops19h 42mAmerican Airlines
Deal found 13/11£1,112

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 16 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

Wed 29/4

06:50-16:35

1 stop16h 45m

Denver Intl

Sun 3/5

18:40-17:45

1 stop16h 05m

£689

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Wed 29/4

06:50-16:35

1 stop16h 45m

Denver Intl

Sun 3/5

18:40-14:40

1 stop13h 00m

£692

BelfastColorado Springs

BHD - COS

BHDCOS

Belfast City

Wed 13/5

06:50-20:11

2 stops20h 21m

Colorado Springs

Sun 17/5

17:11-15:40

2 stops39h 29m

£933

BelfastColorado Springs

BHD - COS

BHDCOS

Belfast City

Sat 25/4

09:35-23:25

2 stops20h 50m

Colorado Springs

Wed 29/4

17:11-18:40

2 stops18h 29m

£962

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Wed 1/4

06:50-16:35

1 stop16h 45m

Denver Intl

Sun 5/4

10:23-13:05

2 stops19h 42m

£1,112

Flights are sorted by cheapest return flights first.

Deals found on 14/11

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 16 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.
British Airways
6.7
Okay
7,527 reviews
Check prices

Comfort

6.7

Food

6.3

Overall

6.7

Crew

7.6

Entertainment

6.4

Boarding

6.9

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.
British Airways
6.7
Okay
7,527 reviews
British Airways
6.7
Okay
7,527 reviews
Check prices

Comfort

6.7

Food

6.3

Overall

6.7

Crew

7.6

Entertainment

6.4

Boarding

6.9

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 16h 45m. American Airlines provides one of the quickest options available for as low as £689. There are 4347 mi between Northern Ireland and Colorado.

  • 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

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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 16 November 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£499Average£687FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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

When you search for this flight from Northern Ireland to Colorado, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Northern Ireland to Colorado for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Northern Ireland to Colorado with no change fees?

Yes! Cheapflights helps users easily find flights from Northern Ireland to Colorado with no change fees.

Can Cheapflights notify me if prices for flights from Northern Ireland to Colorado become cheaper?

Not ready to book yet? You can track prices for flights from Northern Ireland to Colorado on Cheapflights with our Price Alert feature and get notified when better prices are available.

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