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 many operators does momondo search for flights from Denver Intl Airport to Northern Ireland?

As of June 2026, there is 1 operator available to choose from for flights from Denver Intl Airport to Northern Ireland.

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.

$300 Cheap Flights from Denver to Northern Ireland in 2026

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.

4:40 pm - 10:25 pm

DEN

BFS

22h 45m

2 stops

8:20 am - 12:40 pm

BFS

DEN

35h 20m

2 stops

$943Multiple Airlines

Mon, Aug 24 - Thu, Sep 10

4:40 pm - 10:25 pm

DEN

BFS

22h 45m

2 stops

9:05 pm - 8:17 pm

BFS

DEN

30h 12m

3 stops

$956Multiple Airlines

Mon, Aug 24 - Thu, Sep 10

8:10 pm - 8:20 pm

DEN

BFS

17h 10m

2 stops

8:35 pm - 11:20 am

BFS

DEN

45h 45m

3 stops

$973Multiple Airlines

Sat, Aug 22 - Mon, Aug 24

6:40 pm - 5:35 pm

DEN

BHD

15h 55m

1 stop

6:30 am - 4:30 pm

BHD

DEN

17h 00m

1 stop

$981British Airways

Tue, Sep 1 - Tue, Sep 15

6:40 pm - 5:35 pm

DEN

BHD

15h 55m

1 stop

6:30 am - 4:30 pm

BHD

DEN

17h 00m

1 stop

$982British Airways

Tue, Sep 1 - Tue, Sep 15

6:40 pm - 3:30 pm

DEN

BHD

13h 50m

1 stop

6:30 am - 4:30 pm

BHD

DEN

17h 00m

1 stop

$986British Airways

Mon, Aug 31 - Fri, Sep 11

6:40 pm - 3:30 pm

DEN

BHD

13h 50m

1 stop

6:30 am - 4:30 pm

BHD

DEN

17h 00m

1 stop

$987British Airways

Mon, Aug 31 - Fri, Sep 11

5:01 pm - 2:35 pm

DEN

BHD

14h 34m

1 stop

6:35 am - 3:10 pm

BHD

DEN

15h 35m

1 stop

$995British Airways

Wed, Nov 11 - Sat, Nov 14

5:01 pm - 2:35 pm

DEN

BHD

14h 34m

1 stop

6:35 am - 3:10 pm

BHD

DEN

15h 35m

1 stop

$996British Airways

Wed, Nov 11 - Sat, Nov 14

4:40 pm - 8:30 pm

DEN

BHD

20h 50m

2 stops

4:00 pm - 12:40 pm

BHD

DEN

27h 40m

2 stops

$1,004Multiple Airlines

Mon, Aug 24 - Thu, Sep 10

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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

Sep 1

DEN3:02 pmDenver Intl

17h 18m

2 stops

BHD3:20 pmBelfast City

Sep 11

BHD6:30 amBelfast City

20h 08m

2 stops

DEN7:38 pmDenver Intl

$1,018

American Airlines

Aug 31

DEN12:23 pmDenver Intl

17h 32m

2 stops

BHD12:55 pmBelfast City

Sep 11

BHD6:30 amBelfast City

17h 27m

2 stops

DEN4:57 pmDenver Intl

$1,023

British Airways flights from Denver to Northern Ireland

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

British Airways

Sep 1

DEN6:40 pmDenver Intl

15h 55m

1 stop

BHD5:35 pmBelfast City

Sep 15

BHD6:30 amBelfast City

17h 00m

1 stop

DEN4:30 pmDenver Intl

$981

British Airways

Sep 1

DEN6:40 pmDenver Intl

15h 55m

1 stop

BHD5:35 pmBelfast City

Sep 15

BHD6:30 amBelfast City

17h 00m

1 stop

DEN4:30 pmDenver Intl

$982

British Airways

Aug 31

DEN6:40 pmDenver Intl

13h 50m

1 stop

BHD3:30 pmBelfast City

Sep 11

BHD6:30 amBelfast City

17h 00m

1 stop

DEN4:30 pmDenver Intl

$986

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Mon 8/24

4:40 pm-10:25 pm

2 stops22h 45m

Belfast Intl

Thu 9/10

8:20 am-12:40 pm

2 stops35h 20m

$943

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Mon 8/24

4:40 pm-10:25 pm

2 stops22h 45m

Belfast Intl

Thu 9/10

9:05 pm-8:17 pm

3 stops30h 12m

$956

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Sat 8/22

8:10 pm-8:20 pm

2 stops17h 10m

Belfast Intl

Mon 8/24

8:35 pm-11:20 am

3 stops45h 45m

$973

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Tue 9/1

6:40 pm-5:35 pm

1 stop15h 55m

Belfast City

Tue 9/15

6:30 am-4:30 pm

1 stop17h 00m

$981

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Tue 9/1

6:40 pm-5:35 pm

1 stop15h 55m

Belfast City

Tue 9/15

6:30 am-4:30 pm

1 stop17h 00m

$982

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Mon 8/31

6:40 pm-3:30 pm

1 stop13h 50m

Belfast City

Fri 9/11

6:30 am-4:30 pm

1 stop17h 00m

$986

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Mon 8/31

6:40 pm-3:30 pm

1 stop13h 50m

Belfast City

Fri 9/11

6:30 am-4:30 pm

1 stop17h 00m

$987

Quickest round-trip

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Wed 11/11

5:01 pm-2:35 pm

1 stop14h 34m

Belfast City

Sat 11/14

6:35 am-3:10 pm

1 stop15h 35m

$995

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Wed 11/11

5:01 pm-2:35 pm

1 stop14h 34m

Belfast City

Sat 11/14

6:35 am-3:10 pm

1 stop15h 35m

$996

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Mon 8/24

4:40 pm-8:30 pm

2 stops20h 50m

Belfast City

Thu 9/10

4:00 pm-12:40 pm

2 stops27h 40m

$1,004

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 23% 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

Fastest flight time	13h 50m
Direct flights	None

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

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 many operators does momondo search for flights from Denver Intl Airport to Northern Ireland?
As of June 2026, there is 1 operator available to choose from for flights from Denver Intl Airport to Northern Ireland.
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 8,082 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.