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Cheap flights from Denver to Northern Ireland from $664

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Northern Ireland departing on 2/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Denver to Northern Ireland

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
5:25 pm - 2:00 pmDEN-BHD
13h 35m1 stop
British Airways Logo
6:45 am - 3:30 pmBHD-DEN
15h 45m1 stop
$664British Airways
Find Deal
Thu, Feb 12 - Fri, Feb 20
Virgin Atlantic Logo
1:16 pm - 4:50 pmDEN-BHD
44h 34m2 stops
Virgin Atlantic Logo
5:20 pm - 9:16 pmBHD-DEN
34h 56m2 stops
$673Virgin Atlantic
Find Deal
Thu, Feb 5 - Tue, Feb 10
American Airlines Logo
10:13 am - 10:30 amDEN-BHD
17h 17m2 stops
American Airlines Logo
11:25 am - 11:05 pmBHD-DEN
18h 40m2 stops
$674American Airlines
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Tue, Nov 25 - Wed, Dec 3
British Airways Logo
6:40 pm - 3:35 pmDEN-BHD
13h 55m1 stop
British Airways Logo
9:35 am - 4:35 pmBHD-DEN
14h 00m1 stop
$680British Airways
Find Deal
Wed, Apr 1 - Tue, Apr 14
American Airlines Logo
10:20 am - 10:20 amDEN-BHD
17h 00m2 stops
American Airlines Logo
8:45 am - 10:39 pmBHD-DEN
20h 54m2 stops
$682American Airlines
Find Deal
Thu, Feb 12 - Fri, Feb 20
British Airways Logo
6:40 pm - 3:30 pmDEN-BHD
13h 50m1 stop
British Airways Logo
6:35 am - 4:35 pmBHD-DEN
17h 00m1 stop
$685British Airways
Find Deal
Fri, Apr 3 - Tue, Apr 7
British Airways Logo
6:40 pm - 3:30 pmDEN-BHD
13h 50m1 stop
British Airways Logo
8:20 pm - 4:35 pmBHD-DEN
27h 15m1 stop
$687British Airways
Find Deal
Thu, Apr 16 - Tue, Apr 21
British Airways Logo
9:17 am - 6:50 pmDEN-BHD
26h 33m2 stops
British Airways Logo
8:45 am - 3:30 pmBHD-DEN
13h 45m1 stop
$688British Airways
Find Deal
Thu, Feb 12 - Fri, Feb 20
Multiple Airlines Logo
3:40 pm - 4:00 pmDEN-BFS
17h 20m2 stops
Multiple Airlines Logo
6:25 pm - 6:05 pmBFS-DEN
30h 40m3 stops
$1,018Multiple Airlines
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Tue, Nov 25 - Wed, Dec 3
Multiple Airlines Logo
11:15 am - 1:40 pmDEN-BFS
19h 25m2 stops
Multiple Airlines Logo
8:55 pm - 2:35 pmBFS-DEN
24h 40m2 stops
$1,055Multiple Airlines
Find Deal
Thu, Feb 5 - Tue, Feb 10

Delta flights from Denver to Northern Ireland

Our best Delta deals on Denver to Northern Ireland flight tickets
Delta
Apr 3
DEN6:25 pmDenver Intl
15h 30m
2 stops
BHD4:55 pmBelfast City
Apr 7
BHD5:25 pmBelfast City
31h 44m
2 stops
DEN6:09 pmDenver Intl
$838
Find similar
Delta
Apr 3
DEN6:25 pmDenver Intl
15h 30m
2 stops
BHD4:55 pmBelfast City
Apr 7
BHD5:25 pmBelfast City
31h 12m
2 stops
DEN5:37 pmDenver Intl
$863
Find similar

British Airways flights from Denver to Northern Ireland

Our best British Airways deals on Denver to Northern Ireland flight tickets
British Airways
Feb 12
DEN5:25 pmDenver Intl
13h 35m
1 stop
BHD2:00 pmBelfast City
Feb 20
BHD6:45 amBelfast City
15h 45m
1 stop
DEN3:30 pmDenver Intl
$664
Find similar
British Airways
Apr 1
DEN6:40 pmDenver Intl
13h 55m
1 stop
BHD3:35 pmBelfast City
Apr 14
BHD9:35 amBelfast City
14h 00m
1 stop
DEN4:35 pmDenver Intl
$680
Find similar
British Airways
Apr 3
DEN6:40 pmDenver Intl
13h 50m
1 stop
BHD3:30 pmBelfast City
Apr 7
BHD6:35 amBelfast City
17h 00m
1 stop
DEN4:35 pmDenver Intl
$685
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Denver to Northern Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 13, 2025.
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

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Thu 2/12

5:25 pm-2:00 pm

1 stop13h 35m

Belfast City

Fri 2/20

6:45 am-3:30 pm

1 stop15h 45m

$664

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Thu 2/5

1:16 pm-4:50 pm

2 stops44h 34m

Belfast City

Tue 2/10

5:20 pm-9:16 pm

2 stops34h 56m

$673

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Tue 11/25

10:13 am-10:30 am

2 stops17h 17m

Belfast City

Wed 12/3

11:25 am-11:05 pm

2 stops18h 40m

$674

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Wed 4/1

6:40 pm-3:35 pm

1 stop13h 55m

Belfast City

Tue 4/14

9:35 am-4:35 pm

1 stop14h 00m

$680

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Thu 2/12

10:20 am-10:20 am

2 stops17h 00m

Belfast City

Fri 2/20

8:45 am-10:39 pm

2 stops20h 54m

$682

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Fri 4/3

6:40 pm-3:30 pm

1 stop13h 50m

Belfast City

Tue 4/7

6:35 am-4:35 pm

1 stop17h 00m

$685

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Thu 4/16

6:40 pm-3:30 pm

1 stop13h 50m

Belfast City

Tue 4/21

8:20 pm-4:35 pm

1 stop27h 15m

$687

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Thu 2/12

9:17 am-6:50 pm

2 stops26h 33m

Belfast City

Fri 2/20

8:45 am-3:30 pm

1 stop13h 45m

$688

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Tue 11/25

3:40 pm-4:00 pm

2 stops17h 20m

Belfast Intl

Wed 12/3

6:25 pm-6:05 pm

3 stops30h 40m

$1,018

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Thu 2/5

11:15 am-1:40 pm

2 stops19h 25m

Belfast Intl

Tue 2/10

8:55 pm-2:35 pm

2 stops24h 40m

$1,055

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Northern Ireland from

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 day to depart on your flight to Northern Ireland?

The cheapest day to depart on your flight to Northern Ireland is on a Thursday when prices can be found for as low as $688. This is often the case because there is less demand to fly during this day of the week. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Denver to Northern Ireland for around $1,000.

What is the cheapest time of day to depart on your flight to Northern Ireland?

In the morning is the cheapest time of day to fly from Denver to Northern Ireland when you can find flight prices for as low as $675. Flying to Northern Ireland in the morning is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive with an average ticket price of $745.

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

You could potentially save up to 18% 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

Direct flights

None
There are no direct flights from Denver to Northern Ireland. There are no popular flight routes from Denver to Northern Ireland.
Search flight deals

  • 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?

  • 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 AirwaysPriceFrom $608Free CancellationRating
6.7
7,520 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.

An easier way to manage your Northern Ireland trip

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Find better results for your trip to Northern Ireland

Popular cities in Northern Ireland

Popular flights according to clicks in the last 7 days on momondo
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