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Cheap flights from Northern Ireland to Colorado from £366

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 13/9. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — DEN
30 Jun — 7 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap 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 31 May 2026.

Fri 4/909:35
BHD
-
DEN
1 stop13h 55m
British Airways
Tue 8/916:21
DEN
-
BHD
2 stops21h 14m
British Airways
Deal found 29/5£799
Wed 2/906:30
BHD
-
DEN
1 stop17h 00m
British Airways
Sun 6/918:40
DEN
-
BHD
1 stop16h 00m
British Airways
Deal found 28/5£842

Find 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 31 May 2026.

Round-trip from

£799

One-way from

£366
British Airways
  • British Airways
  • 4/9-8/9
  • 3 total stops
  • 35h 09m total
  • Northern Ireland to Colorado
Search Deals
13/9
  • 13/9
  • 2 total stops
  • 52h 07m total
  • Northern Ireland to Colorado
Search Deals

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 31 May 2026.
Use the filters below to find and compare flights from Northern Ireland to Colorado that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Fri 4/9

09:35-16:30

1 stop13h 55m

Denver Intl

Tue 8/9

16:21-20:35

2 stops21h 14m

£799
Fastest return journey

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Wed 2/9

06:30-16:30

1 stop17h 00m

Denver Intl

Sun 6/9

18:27-17:40

2 stops16h 13m

£842
Cheapest one-way

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Sun 13/9

17:00-09:27

3 stops47h 27m

£397

BelfastDenver

BFS - DEN

BFSDEN

Belfast Intl

Sun 13/9

07:00-00:29

3 stops48h 29m

£406

BelfastDenver

BFS - DEN

BFSDEN

Belfast Intl

Tue 23/6

07:00-11:20

3 stops35h 20m

£448

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Sun 13/9

15:50-16:30

1 stop31h 40m

£468

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Tue 23/6

15:30-19:15

2 stops34h 45m

£571

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Wed 22/7

10:15-23:27

3 stops44h 12m

£1,099

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Thu 23/7

14:55-11:20

3 stops51h 25m

£1,118

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Sat 5/9

18:20-12:40

3 stops49h 20m

£1,631

Flights are sorted by cheapest return flights first.

Deals found on 30/5

Showing 1-10 of 13 resultsSorted by cheapest first
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 31 May 2026.
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
8,013 reviews
Check prices

Crew

7.7

Entertainment

6.4

Overall

6.7

Boarding

6.9

Food

6.4

Comfort

6.8

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
8,013 reviews
British Airways
6.7
Okay
8,013 reviews
Check prices

Crew

7.7

Entertainment

6.4

Overall

6.7

Boarding

6.9

Food

6.4

Comfort

6.8

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 55m. British Airways provides one of the quickest options available for as low as £799. 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 31 May 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£531Average£1,021FlexibilityNo 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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