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

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

Prices for flights from Colorado to Northern Ireland refresh daily.

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 required travel and health documents for your Northern Ireland trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Northern Ireland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$335 Cheap Flights from Colorado to Northern Ireland in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Colorado to Northern Ireland

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:01 pm - 2:50 pmDEN Denver Intl-BHD Belfast City

14h 49m1 stop London Heathrow

8:50 am - 3:10 pmBHD Belfast City-DEN Denver Intl

13h 20m1 stop London Heathrow

$938British Airways

Tue, Dec 8 - Thu, Dec 17

12:08 pm - 10:50 amDEN Denver Intl-BHD Belfast City

15h 42m2 stops Philadelphia London Heathrow

8:50 am - 3:10 pmBHD Belfast City-DEN Denver Intl

13h 20m1 stop London Heathrow

$942British Airways

Tue, Dec 8 - Thu, Dec 17

5:01 pm - 2:15 pmDEN Denver Intl-BHD Belfast City

14h 14m1 stop London Heathrow

6:45 am - 3:10 pmBHD Belfast City-DEN Denver Intl

15h 25m1 stop London Heathrow

$961British Airways

Mon, Mar 1 - Fri, Mar 5

5:01 pm - 4:05 pmDEN Denver Intl-BHD Belfast City

16h 04m1 stop London Heathrow

8:00 pm - 3:10 pmBHD Belfast City-DEN Denver Intl

26h 10m1 stop London Heathrow

$962British Airways

Mon, Mar 1 - Thu, Mar 4

6:19 pm - 6:50 pmDEN Denver Intl-BHD Belfast City

18h 31m2 stops Chicago O'Hare Intl London Heathrow

7:40 pm - 4:10 pmBHD Belfast City-DEN Denver Intl

26h 30m1 stop London Heathrow

$966British Airways

Sun, Mar 14 - Mon, Mar 22

6:35 pm - 2:35 pmDEN Denver Intl-BHD Belfast City

13h 00m1 stop London Heathrow

9:35 am - 4:25 pmBHD Belfast City-DEN Denver Intl

13h 50m1 stop London Heathrow

$967British Airways

Sun, Oct 11 - Thu, Oct 22

6:19 pm - 6:50 pmDEN Denver Intl-BHD Belfast City

18h 31m2 stops Chicago O'Hare Intl London Heathrow

5:35 pm - 5:40 pmBHD Belfast City-DEN Denver Intl

30h 05m2 stops London Heathrow Dallas/Fort Worth

$978British Airways

Sun, Mar 14 - Mon, Mar 22

6:35 pm - 6:10 pmDEN Denver Intl-BHD Belfast City

16h 35m1 stop London Heathrow

6:30 am - 4:25 pmBHD Belfast City-DEN Denver Intl

16h 55m1 stop London Heathrow

$1,003British Airways

Fri, Oct 16 - Fri, Oct 23

6:35 pm - 3:40 pmDEN Denver Intl-BHD Belfast City

14h 05m1 stop London Heathrow

6:30 pm - 10:26 pmBHD Belfast City-DEN Denver Intl

34h 56m2 stops London Heathrow Philadelphia

$1,005British Airways

Wed, Oct 14 - Mon, Oct 19

3:14 pm - 1:35 pmDEN Denver Intl-BHD Belfast City

15h 21m2 stops Dallas/Fort Worth London Heathrow

6:30 pm - 10:26 pmBHD Belfast City-DEN Denver Intl

34h 56m2 stops London Heathrow Philadelphia

$1,010British Airways

Wed, Oct 14 - Mon, Oct 19

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British Airways flights from Colorado to Northern Ireland

Our best British Airways deals on Colorado to Northern Ireland flight tickets

British Airways

Dec 8

DEN5:01 pmDenver Intl

14h 49m

1 stop

BHD2:50 pmBelfast City

Dec 17

BHD8:50 amBelfast City

13h 20m

1 stop

DEN3:10 pmDenver Intl

$938

British Airways

Dec 8

DEN12:08 pmDenver Intl

15h 42m

2 stops

BHD10:50 amBelfast City

Dec 17

BHD8:50 amBelfast City

13h 20m

1 stop

DEN3:10 pmDenver Intl

$942

British Airways

Mar 1

DEN5:01 pmDenver Intl

14h 14m

1 stop

BHD2:15 pmBelfast City

Mar 4

BHD8:50 amBelfast City

13h 20m

1 stop

DEN3:10 pmDenver Intl

$961

American Airlines flights from Colorado to Northern Ireland

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

American Airlines

Oct 16

DEN6:43 pmDenver Intl

18h 52m

2 stops

BHD8:35 pmBelfast City

Oct 23

BHD9:35 amBelfast City

13h 50m

1 stop

DEN4:25 pmDenver Intl

$1,012

American Airlines

Oct 16

DEN6:43 pmDenver Intl

18h 52m

2 stops

BHD8:35 pmBelfast City

Oct 23

BHD12:00 pmBelfast City

17h 58m

2 stops

DEN10:58 pmDenver Intl

$1,022

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 round-trip

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Tue 12/8

5:01 pm-2:50 pm

1 stop14h 49m

Belfast City

Thu 12/17

8:50 am-3:10 pm

1 stop13h 20m

$938

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Tue 12/8

12:08 pm-10:50 am

2 stops15h 42m

Belfast City

Thu 12/17

8:50 am-3:10 pm

1 stop13h 20m

$942

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Mon 3/1

5:01 pm-2:15 pm

1 stop14h 14m

Belfast City

Fri 3/5

6:45 am-3:10 pm

1 stop15h 25m

$961

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Mon 3/1

5:01 pm-4:05 pm

1 stop16h 04m

Belfast City

Thu 3/4

8:00 pm-3:10 pm

1 stop26h 10m

$962

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Sun 3/14

6:19 pm-6:50 pm

2 stops18h 31m

Belfast City

Mon 3/22

7:40 pm-4:10 pm

1 stop26h 30m

$966

Quickest round-trip

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Sun 10/11

6:35 pm-2:35 pm

1 stop13h 00m

Belfast City

Thu 10/22

9:35 am-4:25 pm

1 stop13h 50m

$967

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Sun 3/14

6:19 pm-6:50 pm

2 stops18h 31m

Belfast City

Mon 3/22

5:35 pm-5:40 pm

2 stops30h 05m

$978

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Fri 10/16

6:35 pm-6:10 pm

1 stop16h 35m

Belfast City

Fri 10/23

6:30 am-4:25 pm

1 stop16h 55m

$1,003

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Wed 10/14

6:35 pm-3:40 pm

1 stop14h 05m

Belfast City

Mon 10/19

6:30 pm-10:26 pm

2 stops34h 56m

$1,005

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Wed 10/14

3:14 pm-1:35 pm

2 stops15h 21m

Belfast City

Mon 10/19

6:30 pm-10:26 pm

2 stops34h 56m

$1,010

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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

Prices

Airlines

Can stopping save me money on Colorado to Northern Ireland flights?

You could potentially save up to 31% on your flight if you consider stops on a Colorado to Northern Ireland flight.

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	$335
Fastest flight time	14h 05m
Direct flights	None

The best one-way flight to Northern Ireland from Colorado in the past 72 hours is $335. The best round-trip flight deal from Colorado to Northern Ireland found on momondo in the last 72 hours is $938.

The fastest flight from Colorado to Northern Ireland takes 14h 05m

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 refresh daily.
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 required travel and health documents for your Northern Ireland trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Northern Ireland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Colorado to Northern Ireland

Compare and see reviews for airlines that fly from Colorado to Northern Ireland with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $645	Free Cancellation	Rating 6.7 8,232 reviews		Search British Airways flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Colorado to Northern Ireland for you.

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

Yes. momondo enables you to select and highlight flights to Northern Ireland from Colorado with this policy.

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

momondo helps you find the best flight between Colorado and Northern Ireland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Northern Ireland from Colorado. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.