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

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?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 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.

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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Denver to Northern Ireland

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

$959British Airways

Mon, Mar 1 - Fri, Mar 5

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

14h 14m1 stop London Heathrow

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

13h 20m1 stop London Heathrow

$960British Airways

Mon, Mar 1 - Thu, Mar 4

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

6:35 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

6:35 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

12:22 pm - 10:55 amDEN Denver Intl-BHD Belfast City

15h 33m2 stops Chicago O'Hare Intl London Heathrow

7:40 pm - 3:10 pmBHD Belfast City-DEN Denver Intl

26h 30m1 stop London Heathrow

$1,013British Airways

Thu, Jan 21 - Mon, Jan 25

5:05 pm - 12:45 pmDEN Denver Intl-BHD Belfast City

12h 40m1 stop London Heathrow

11:40 am - 3:10 pmBHD Belfast City-DEN Denver Intl

34h 30m1 stop London Heathrow

$1,014British Airways

Thu, Jan 21 - Mon, Jan 25

6:35 pm - 3:20 pmDEN Denver Intl-BHD Belfast City

13h 45m1 stop London Heathrow

12:40 pm - 12:36 amBHD Belfast City-DEN Denver Intl

18h 56m2 stops London Heathrow Chicago O'Hare Intl

$1,017British Airways

Tue, Oct 13 - Tue, Oct 20

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British Airways flights from Denver to Northern Ireland

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

British Airways

Mar 1

DEN5:01 pmDenver Intl

14h 14m

1 stop

BHD2:15 pmBelfast City

Mar 5

BHD6:45 amBelfast City

15h 25m

1 stop

DEN3:10 pmDenver Intl

$959

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

$960

British Airways

Mar 1

DEN5:01 pmDenver Intl

14h 14m

1 stop

BHD2:15 pmBelfast City

Mar 5

BHD6:45 amBelfast City

15h 25m

1 stop

DEN3:10 pmDenver Intl

$961

momondo Fare Finder

Use the filters below to find and compare flights from Denver 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

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

$959

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Mon 3/1

5:01 pm-2:15 pm

1 stop14h 14m

Belfast City

Thu 3/4

8:50 am-3:10 pm

1 stop13h 20m

$960

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

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

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

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Thu 1/21

12:22 pm-10:55 am

2 stops15h 33m

Belfast City

Mon 1/25

7:40 pm-3:10 pm

1 stop26h 30m

$1,013

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Thu 1/21

5:05 pm-12:45 pm

1 stop12h 40m

Belfast City

Mon 1/25

11:40 am-3:10 pm

1 stop34h 30m

$1,014

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Tue 10/13

6:35 pm-3:20 pm

1 stop13h 45m

Belfast City

Tue 10/20

12:40 pm-12:36 am

2 stops18h 56m

$1,017

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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

Prices

Airlines

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

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

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

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

The best one-way flight to Northern Ireland from Denver in the past 72 hours is $335. The best round-trip flight deal from Denver to Northern Ireland found on momondo in the last 72 hours is $959.

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

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?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 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.

Best airlines flying from Denver to Northern Ireland

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

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $645	Free Cancellation	Rating 6.7 8,238 reviews		Search British Airways flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Denver to Northern Ireland. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Denver to Northern Ireland on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Denver 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 Denver to Northern Ireland right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Denver 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.