When did momondo last update prices for flights from Denver Intl Airport to Northern Ireland?

Prices for flights from Denver Intl Airport to Northern Ireland are refreshed on a daily basis.

How old do you have to be to fly from Denver Intl Airport 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 Denver Intl Airport to Northern Ireland.

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

The travel and health documents you'll need for your trip to Northern Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Northern Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£278 Cheap Flights from Denver to Northern Ireland in 2026

Find the cheapest flights from Denver to Northern Ireland

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

17:01 - 13:50DEN Denver Intl-BHD Belfast City

13h 49m1 stop London Heathrow

08:40 - 15:10BHD Belfast City-DEN Denver Intl

13h 30m1 stop London Heathrow

£709British Airways

Sun, 15 Nov - Wed, 18 Nov

18:35 - 15:40DEN Denver Intl-BHD Belfast City

14h 05m1 stop London Heathrow

10:05 - 16:25BHD Belfast City-DEN Denver Intl

13h 20m1 stop London Heathrow

£735British Airways

Wed, 7 Oct - Wed, 14 Oct

18:09 - 18:45DEN Denver Intl-BHD Belfast City

17h 36m2 stops Chicago O'Hare Intl London Heathrow

06:30 - 18:58BHD Belfast City-DEN Denver Intl

19h 28m2 stops London Heathrow Dallas/Fort Worth

£756American Airlines

Wed, 7 Oct - Wed, 14 Oct

16:40 - 15:15DEN Denver Intl-BFS Belfast Intl

15h 35m2 stops Reykjavik Keflavik Intl Manchester

06:15 - 20:17BFS Belfast Intl-DEN Denver Intl

21h 02m3 stops London Gatwick Zurich Toronto Pearson Intl

£758Multiple Airlines

Tue, 29 Sep - Tue, 6 Oct

18:40 - 15:30DEN Denver Intl-BHD Belfast City

13h 50m1 stop London Heathrow

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

17h 00m1 stop London Heathrow

£782British Airways

Mon, 31 Aug - Fri, 11 Sep

16:40 - 15:15DEN Denver Intl-BFS Belfast Intl

15h 35m2 stops Reykjavik Keflavik Intl Manchester

05:55 - 20:17BFS Belfast Intl-DEN Denver Intl

21h 22m2 stops Edinburgh Turnhouse Toronto Pearson Intl

£790Multiple Airlines

Tue, 29 Sep - Tue, 6 Oct

18:40 - 15:30DEN Denver Intl-BHD Belfast City

13h 50m1 stop London Heathrow

10:05 - 16:30BHD Belfast City-DEN Denver Intl

13h 25m1 stop London Heathrow

£793Multiple Airlines

Mon, 7 Sep - Wed, 16 Sep

09:05 - 15:20DEN Denver Intl-BHD Belfast City

23h 15m2 stops Chicago O'Hare Intl London Heathrow

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

17h 00m1 stop London Heathrow

£794British Airways

Tue, 1 Sep - Fri, 11 Sep

16:40 - 20:40DEN Denver Intl-BFS Belfast Intl

21h 00m2 stops Reykjavik Keflavik Intl Glasgow Intl

08:15 - 20:17BFS Belfast Intl-DEN Denver Intl

43h 02m3 stops London Gatwick Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

£797Multiple Airlines

Mon, 7 Sep - Wed, 16 Sep

12:23 - 15:20DEN Denver Intl-BHD Belfast City

19h 57m2 stops Chicago O'Hare Intl London Heathrow

20:25 - 00:17BHD Belfast City-DEN Denver Intl

34h 52m2 stops London Heathrow Chicago O'Hare Intl

£800British Airways

Tue, 1 Sep - Tue, 15 Sep

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American Airlines flights from Denver to Northern Ireland

Our best American Airlines deals on Denver to Northern Ireland flight tickets

American Airlines

7 Oct

DEN18:09Denver Intl

17h 36m

2 stops

BHD18:45Belfast City

14 Oct

BHD06:30Belfast City

19h 28m

2 stops

DEN18:58Denver Intl

£756

American Airlines

1 Sept

DEN15:02Denver Intl

17h 18m

2 stops

BHD15:20Belfast City

11 Sept

BHD06:30Belfast City

20h 08m

2 stops

DEN19:38Denver Intl

£800

American Airlines

31 Aug

DEN14:21Denver Intl

18h 09m

2 stops

BHD15:30Belfast City

11 Sept

BHD06:30Belfast City

18h 12m

2 stops

DEN17:42Denver Intl

£805

Aer Lingus flights from Denver to Northern Ireland

Our best Aer Lingus deals on Denver to Northern Ireland flight tickets

Aer Lingus

7 Sept

DEN20:00Denver Intl

17h 05m

2 stops

BHD20:05Belfast City

16 Sept

BHD07:00Belfast City

18h 15m

2 stops

DEN18:15Denver Intl

£872

Aer Lingus

22 Aug

DEN20:00Denver Intl

17h 05m

2 stops

BHD20:05Belfast City

26 Aug

BHD06:50Belfast City

18h 25m

2 stops

DEN18:15Denver Intl

£1,004

Aer Lingus

3 Feb

DEN17:01Denver Intl

16h 34m

1 stop

BHD16:35Belfast City

20 Apr

BHD18:20Belfast City

29h 10m

1 stop

DEN16:30Denver Intl

£2,708

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Sun 15/11

17:01-13:50

1 stop13h 49m

Belfast City

Wed 18/11

08:40-15:10

1 stop13h 30m

£709

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Wed 7/10

18:35-15:40

1 stop14h 05m

Belfast City

Wed 14/10

10:05-16:25

1 stop13h 20m

£735

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Wed 7/10

18:09-18:45

2 stops17h 36m

Belfast City

Wed 14/10

06:30-18:58

2 stops19h 28m

£756

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Tue 29/9

16:40-15:15

2 stops15h 35m

Belfast Intl

Tue 6/10

06:15-20:17

3 stops21h 02m

£758

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Mon 31/8

18:40-15:30

1 stop13h 50m

Belfast City

Fri 11/9

06:30-16:30

1 stop17h 00m

£782

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Tue 29/9

16:40-15:15

2 stops15h 35m

Belfast Intl

Tue 6/10

05:55-20:17

2 stops21h 22m

£790

Fastest return journey

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Mon 7/9

18:40-15:30

1 stop13h 50m

Belfast City

Wed 16/9

10:05-16:30

1 stop13h 25m

£793

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Tue 1/9

09:05-15:20

2 stops23h 15m

Belfast City

Fri 11/9

06:30-16:30

1 stop17h 00m

£794

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Mon 7/9

16:40-20:40

2 stops21h 00m

Belfast Intl

Wed 16/9

08:15-20:17

3 stops43h 02m

£797

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Tue 1/9

12:23-15:20

2 stops19h 57m

Belfast City

Tue 15/9

20:25-00:17

2 stops34h 52m

£800

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

How to get the cheapest flight ticket from Denver 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 Denver Intl to Northern Ireland?

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

Cheap Denver to Northern Ireland flight deals and tips

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

Fastest flight time	13h 49m
Direct flights	None

The fastest flight from Denver to Northern Ireland takes 13h 49m

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

Search flight deals

Frequently asked questions about flying from Denver to Northern Ireland

When did momondo last update prices for flights from Denver Intl Airport to Northern Ireland?
Prices for flights from Denver Intl Airport to Northern Ireland are refreshed on a daily basis.
How old do you have to be to fly from Denver Intl Airport 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 Denver Intl Airport to Northern Ireland.
What documentation or ID do you need to fly to Northern Ireland?
The travel and health documents you'll need for your trip to Northern Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Northern Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

It is quick and easy to find Denver to Northern Ireland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Northern Ireland that suits you.

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

Yes. momondo allows you to filter the results for Denver to Northern Ireland flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Northern Ireland from Denver.

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

Yes. momondo can track prices for Denver to Northern Ireland flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.