When did momondo last update prices for flights from Colorado to Northern Ireland?

Prices for flights from Colorado to Northern Ireland were last updated today.

How old do you have to be to fly from Colorado to Northern Ireland?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Colorado to Northern Ireland.

What documentation or ID do you need to fly to Northern Ireland?

The travel and health documents required for your trip to Northern Ireland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Northern Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£300 Cheap Flights from Colorado to Northern Ireland in 2026/27

Find the cheapest flights from Colorado to Northern Ireland

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

18:40 - 17:30DEN Denver Intl-BHD Belfast City

15h 50m1 stop London Heathrow

06:30 - 16:30BHD Belfast City-DEN Denver Intl

17h 00m1 stop London Heathrow

£731British Airways

Mon, 19 Apr - Thu, 22 Apr

18:40 - 17:30DEN Denver Intl-BHD Belfast City

15h 50m1 stop London Heathrow

06:30 - 16:30BHD Belfast City-DEN Denver Intl

17h 00m1 stop London Heathrow

£732British Airways

Mon, 19 Apr - Thu, 22 Apr

18:40 - 17:30DEN Denver Intl-BHD Belfast City

15h 50m1 stop London Heathrow

06:30 - 16:30BHD Belfast City-DEN Denver Intl

17h 00m1 stop London Heathrow

£732British Airways

Mon, 19 Apr - Thu, 22 Apr

12:24 - 15:30DEN Denver Intl-BHD Belfast City

20h 06m2 stops Chicago O'Hare Intl London Heathrow

18:30 - 16:30BHD Belfast City-DEN Denver Intl

29h 00m1 stop London Heathrow

£773British Airways

Thu, 29 Apr - Mon, 10 May

12:24 - 10:10DEN Denver Intl-BHD Belfast City

14h 46m2 stops Chicago O'Hare Intl London Heathrow

18:30 - 16:18BHD Belfast City-DEN Denver Intl

28h 48m2 stops London Heathrow Dallas/Fort Worth

£777British Airways

Thu, 29 Apr - Mon, 10 May

17:01 - 14:15DEN Denver Intl-BHD Belfast City

14h 14m1 stop London Heathrow

11:40 - 15:10BHD Belfast City-DEN Denver Intl

34h 30m1 stop London Heathrow

£788American Airlines

Mon, 7 Dec - Mon, 14 Dec

07:05 - 09:10DEN Denver Intl-BHD Belfast City

19h 05m2 stops New York John F Kennedy Intl Amsterdam Schiphol

17:15 - 17:14BHD Belfast City-DEN Denver Intl

30h 59m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

£804KLM

Mon, 7 Dec - Mon, 14 Dec

16:15 - 09:10DEN Denver Intl-BHD Belfast City

33h 55m3 stops Munich Franz Josef Strauss Berlin Brandenburg Amsterdam Schiphol

17:15 - 15:35BHD Belfast City-DEN Denver Intl

29h 20m3 stops Amsterdam Schiphol Berlin Brandenburg Frankfurt am Main

£892Multiple Airlines

Mon, 7 Dec - Mon, 14 Dec

13:06 - 15:30DEN Denver Intl-BHD Belfast City

19h 24m2 stops Dallas/Fort Worth London Heathrow

06:30 - 16:30BHD Belfast City-DEN Denver Intl

17h 00m1 stop London Heathrow

£914British Airways

Mon, 19 Apr - Thu, 22 Apr

10:37 - 12:55DEN Denver Intl-BHD Belfast City

19h 18m2 stops Chicago O'Hare Intl London Heathrow

06:30 - 16:30BHD Belfast City-DEN Denver Intl

17h 00m1 stop London Heathrow

£915British Airways

Mon, 19 Apr - Thu, 22 Apr

Cheap last-minute flights

Enter your travel dates to find the best prices.

12:46 - 16:45DEN Denver Intl-BHD Belfast City

20h 59m2 stops Austin Bergstrom Amsterdam Schiphol

09:40 - 23:15BHD Belfast City-DEN Denver Intl

20h 35m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

£1,160KLM

Sat, 7 Nov - Fri, 27 Nov

17:01 - 14:15DEN Denver Intl-BHD Belfast City

14h 14m1 stop London Heathrow

08:35 - 15:10BHD Belfast City-DEN Denver Intl

13h 35m1 stop London Heathrow

£1,223British Airways

Sat, 7 Nov - Fri, 27 Nov

14:27 - 14:15DEN Denver Intl-BHD Belfast City

16h 48m2 stops Chicago O'Hare Intl London Heathrow

06:45 - 15:10BHD Belfast City-DEN Denver Intl

15h 25m1 stop London Heathrow

£1,225British Airways

Sat, 7 Nov - Fri, 27 Nov

14:27 - 14:15DEN Denver Intl-BHD Belfast City

16h 48m2 stops Chicago O'Hare Intl London Heathrow

11:50 - 23:04BHD Belfast City-DEN Denver Intl

18h 14m2 stops London Heathrow Chicago O'Hare Intl

£1,231British Airways

Sat, 7 Nov - Fri, 27 Nov

17:01 - 15:15DEN Denver Intl-BHD Belfast City

15h 14m1 stop London Heathrow

06:35 - 15:10BHD Belfast City-DEN Denver Intl

15h 35m1 stop London Heathrow

£1,440Multiple Airlines

Sat, 7 Nov - Sat, 28 Nov

17:01 - 15:15DEN Denver Intl-BHD Belfast City

15h 14m1 stop London Heathrow

06:35 - 15:10BHD Belfast City-DEN Denver Intl

15h 35m1 stop London Heathrow

£1,716British Airways

Sat, 7 Nov - Sat, 28 Nov

12:46 - 16:45DEN Denver Intl-BHD Belfast City

20h 59m2 stops Austin Bergstrom Amsterdam Schiphol

09:40 - 20:20BHD Belfast City-DEN Denver Intl

17h 40m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

£1,798KLM

Sat, 7 Nov - Sat, 28 Nov

15:25 - 15:15DEN Denver Intl-BHD Belfast City

16h 50m2 stops Seattle/Tacoma Intl London Heathrow

11:45 - 23:59BHD Belfast City-DEN Denver Intl

19h 14m2 stops London Heathrow Seattle/Tacoma Intl

£2,737Multiple Airlines

Sat, 7 Nov - Sat, 28 Nov

13:13 - 13:50DEN Denver Intl-BHD Belfast City

41h 37m2 stops Dallas/Fort Worth London Heathrow

15:15 - 15:10BHD Belfast City-DEN Denver Intl

30h 55m1 stop London Heathrow

£2,781Finnair

Sat, 7 Nov - Sat, 28 Nov

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Delta flights from Colorado to Northern Ireland

Our best Delta deals on Colorado to Northern Ireland flight tickets

Delta

22 Nov

DEN20:33Denver Intl

37h 12m

2 stops

BHD16:45Belfast City

29 Nov

BHD17:15Belfast City

34h 14m

2 stops

DEN20:29Denver Intl

£1,097

Delta

21 Nov

DEN16:14Denver Intl

33h 56m

2 stops

BHD09:10Belfast City

29 Nov

BHD17:15Belfast City

34h 14m

2 stops

DEN20:29Denver Intl

£1,107

Finnair flights from Colorado to Northern Ireland

Our best Finnair deals on Colorado to Northern Ireland flight tickets

Finnair

21 Nov

DEN16:07Denver Intl

16h 08m

2 stops

BHD15:15Belfast City

28 Nov

BHD06:35Belfast City

20h 14m

2 stops

DEN19:49Denver Intl

£1,443

Finnair

22 Nov

DEN13:13Denver Intl

42h 02m

2 stops

BHD14:15Belfast City

28 Nov

BHD15:15Belfast City

30h 55m

1 stop

DEN15:10Denver Intl

£2,315

Finnair

7 Nov

DEN13:13Denver Intl

41h 37m

2 stops

BHD13:50Belfast City

28 Nov

BHD15:15Belfast City

30h 55m

1 stop

DEN15:10Denver Intl

£2,781

momondo Fare Finder

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

Fastest return journey

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Mon 19/4

18:40-17:30

1 stop15h 50m

Belfast City

Thu 22/4

06:30-16:30

1 stop17h 00m

£731

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Mon 19/4

18:40-17:30

1 stop15h 50m

Belfast City

Thu 22/4

06:30-16:30

1 stop17h 00m

£732

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Mon 19/4

18:40-17:30

1 stop15h 50m

Belfast City

Thu 22/4

06:30-16:30

1 stop17h 00m

£732

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Thu 29/4

12:24-15:30

2 stops20h 06m

Belfast City

Mon 10/5

18:30-16:30

1 stop29h 00m

£773

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Thu 29/4

12:24-10:10

2 stops14h 46m

Belfast City

Mon 10/5

18:30-16:18

2 stops28h 48m

£777

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Mon 7/12

17:01-14:15

1 stop14h 14m

Belfast City

Mon 14/12

11:40-15:10

1 stop34h 30m

£788

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Mon 7/12

07:05-09:10

2 stops19h 05m

Belfast City

Mon 14/12

17:15-17:14

2 stops30h 59m

£804

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Mon 7/12

16:15-09:10

3 stops33h 55m

Belfast City

Mon 14/12

17:15-15:35

3 stops29h 20m

£892

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Mon 19/4

13:06-15:30

2 stops19h 24m

Belfast City

Thu 22/4

06:30-16:30

1 stop17h 00m

£914

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Mon 19/4

10:37-12:55

2 stops19h 18m

Belfast City

Thu 22/4

06:30-16:30

1 stop17h 00m

£915

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Colorado to Northern Ireland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Colorado to Northern Ireland?

British Airways is the most popular carrier operating from Colorado to Northern Ireland

Cheap Colorado to Northern Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado to Northern Ireland

Best price found	£300
Fastest flight time	13h 50m
Direct flights	None

The best one-way flight to Northern Ireland from Colorado in the past 72 hours is £300. The best return flight deal from Colorado to Northern Ireland found on momondo in the last 72 hours is £731.

The fastest flight from Colorado to Northern Ireland takes 13h 50m

There are no direct flights from Colorado to Northern Ireland. There are no popular flight routes from Colorado to Northern Ireland.

Search flight deals

Frequently asked questions about flying from Colorado to Northern Ireland

When did momondo last update prices for flights from Colorado to Northern Ireland?
Prices for flights from Colorado to Northern Ireland were last updated today.
How old do you have to be to fly from Colorado to Northern Ireland?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Colorado to Northern Ireland.
What documentation or ID do you need to fly to Northern Ireland?
The travel and health documents required for your trip to Northern Ireland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Northern Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Colorado to Northern Ireland?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Northern Ireland from Colorado.

Can I find flights from Colorado to Northern Ireland with flexible booking policies on momondo?

Yes. All flights to Northern Ireland from Colorado on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Colorado to Northern Ireland?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Colorado to Northern Ireland.

I’m not ready to book a flight from Colorado to Northern Ireland right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Colorado to Northern Ireland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Northern Ireland and let you know when they change.