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Cheap flights from Northern Ireland to Colorado from £279

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 13/11. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — DEN
17 Oct — 24 Oct1
1 adult
1 adult, Economy

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 17 September 2025.

Round-trip from

£596

One-way from

£279
Delta
  • Delta
  • 13/10-20/10
  • 4 total stops
  • 46h 52m total
  • Northern Ireland to Colorado
Search Deals
13/11
  • 13/11
  • 2 total stops
  • 24h 16m total
  • Northern Ireland to Colorado
Search Deals

Find flight deals from Northern Ireland to Colorado

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 17 September 2025.

Mon 13/1006:30BHD - DEN
2 stops23h 34mDelta
Mon 20/1014:57DEN - BHD
2 stops23h 18mDelta
Deal found 15/9£596
Mon 13/1006:40BHD - DEN
2 stops19h 46mAmerican Airlines
Mon 20/1018:35DEN - BHD
1 stop15h 55mAmerican Airlines
Deal found 15/9£621
Thu 6/1106:35BHD - COS
2 stops23h 56mAmerican Airlines
Mon 10/1112:45COS - BHD
2 stops18h 30mAmerican Airlines
Deal found 14/9£790
Mon 13/1009:50BHD - DEN
3 stops29h 49mAer Lingus
Mon 20/1019:55DEN - BHD
2 stops14h 45mAer Lingus
Deal found 15/9£873
Mon 13/1019:30BHD - DEN
1 stop27h 55mBritish Airways
Mon 20/1018:35DEN - BHD
1 stop14h 05mBritish Airways
Deal found 15/9£955
Thu 13/1109:05BHD - DEN
1 stop13h 25mMultiple Airlines
Thu 13/1118:23DEN - BHD
3 stops32h 22mMultiple Airlines
Deal found 15/9£1,040
Mon 13/1008:10BFS - DEN
2 stops16h 49mMultiple Airlines
Mon 20/1011:15DEN - BFS
3 stops28h 40mMultiple Airlines
Deal found 15/9£1,118
Mon 13/1007:05BHD - DEN
3 stops34h 58mMultiple Airlines
Mon 20/1011:15DEN - BHD
3 stops22h 10mMultiple Airlines
Deal found 15/9£1,141

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 17 September 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

Mon 13/10

06:30-23:04

2 stops23h 34m

Denver Intl

Mon 20/10

14:57-21:15

2 stops23h 18m

£596

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Mon 13/10

06:40-19:26

2 stops19h 46m

Denver Intl

Mon 20/10

18:35-17:30

1 stop15h 55m

£621

BelfastColorado Springs

BHD - COS

BHDCOS

Belfast City

Thu 6/11

06:35-23:31

2 stops23h 56m

Colorado Springs

Mon 10/11

12:45-14:15

2 stops18h 30m

£790

BelfastColorado Springs

BHD - COS

BHDCOS

Belfast City

Thu 13/11

11:05-23:31

2 stops19h 26m

Colorado Springs

Mon 17/11

10:27-14:15

2 stops20h 48m

£790

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Mon 13/10

09:50-08:39

3 stops29h 49m

Denver Intl

Mon 20/10

19:55-17:40

2 stops14h 45m

£873

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Mon 13/10

19:30-16:25

1 stop27h 55m

Denver Intl

Mon 20/10

18:35-15:40

1 stop14h 05m

£955

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Thu 13/11

09:05-15:30

1 stop13h 25m

Denver Intl

Thu 13/11

18:23-09:45

3 stops32h 22m

£1,040

BelfastDenver

BFS - DEN

BFSDEN

Belfast Intl

Mon 13/10

08:10-17:59

2 stops16h 49m

Denver Intl

Mon 20/10

11:15-22:55

3 stops28h 40m

£1,118

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Mon 13/10

07:05-11:03

3 stops34h 58m

Denver Intl

Mon 20/10

11:15-16:25

3 stops22h 10m

£1,141

BelfastDenver

BFS - DEN

BFSDEN

Belfast Intl

Thu 13/11

06:00-23:16

2 stops24h 16m

£279

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 11 results
1
2

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 17 September 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
7,363 reviews
Check prices

Boarding

6.9

Comfort

6.7

Crew

7.6

Overall

6.7

Food

6.3

Entertainment

6.4

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

LHR - LAX

We needed assistance (wheelchair, golf cart, whatever ) to get to next gate. We requested it. None was provided.
British Airways
6.7
Okay
7,363 reviews
British Airways
6.7
Okay
7,363 reviews
Check prices

Boarding

6.9

Comfort

6.7

Crew

7.6

Overall

6.7

Food

6.3

Entertainment

6.4

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

LHR - LAX

We needed assistance (wheelchair, golf cart, whatever ) to get to next gate. We requested it. None was provided.

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 19h 46m. Delta provides one of the quickest options available for as low as £621. 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.

  • What is the cheapest month to book a flight from Northern Ireland to Colorado?

    Currently, January is the cheapest month in which you can book a flight from Northern Ireland to Colorado (average of £667). Flying from Northern Ireland to Colorado in July is currently the most expensive (average of £983). 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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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 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£483Average£643FlexibilityNo 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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