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Cheap flights from Denver to Northern Ireland from £180

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/3. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BFS
15 janv. — 22 janv.1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Denver to Northern Ireland

Enter your travel dates to find the best prices.

Best flights from Denver to Northern Ireland
Discover carefully curated flight deals from Denver to Northern Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 décembre 2025.

lun. 16/318:25DEN - BHD
1 stop15h 40mBritish Airways
lun. 30/318:30BHD - DEN
1 stop29h 00mBritish Airways
Deal found 14/12£485
jeu. 29/108:05DEN - BFS
3 stops31h 00mMultiple Airlines
jeu. 5/221:25BFS - DEN
3 stops29h 30mMultiple Airlines
Deal found 15/12£882
mer. 18/217:25DEN - BHD
1 stop16h 10mBritish Airways
ven. 27/206:45BHD - DEN
1 stop15h 45mBritish Airways
Deal found 14/12£485
jeu. 16/418:40DEN - BHD
1 stop13h 50mBritish Airways
mar. 21/409:35BHD - DEN
1 stop13h 55mBritish Airways
Deal found 14/12£496
jeu. 5/317:25DEN - BHD
1 stop16h 15mBritish Airways
dim. 8/306:30BHD - DEN
1 stop16h 00mBritish Airways
Deal found 13/12£504
mer. 11/217:25DEN - BHD
1 stop13h 50mBritish Airways
dim. 15/206:30BHD - DEN
1 stop16h 00mBritish Airways
Deal found 14/12£504

Find flight deals from Denver to Northern Ireland

Keep the following information in mind while searching for Denver to Northern Ireland flight deals. Data was last updated 16 décembre 2025.

Round-trip from

£485

One-way from

£180

Popular in

March

Cheapest in

February

Average price

£862
British Airways
  • British Airways
  • 18/2-27/2
  • 2 total stops
  • 29h 55m total
  • Denver to Northern Ireland
Search Deals
British Airways
  • British Airways
  • 23/3
  • 1 total stop
  • 13h 50m total
  • Denver to Northern Ireland
Search Deals
High demand for flights, 6% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise 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, Cheapflights users made 858,174 searches. Data last updated 16 décembre 2025.
Use the filters below to find and compare flights from Denver to Northern Ireland that are best for you.

Fly from

Denver

Fly to

Northern Ireland

Route

Depart

Return

Price

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

lun. 16/3

18:25-16:05

1 stop15h 40m

Belfast City

lun. 30/3

18:30-16:30

1 stop29h 00m

£485

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

mer. 18/2

17:25-16:35

1 stop16h 10m

Belfast City

ven. 27/2

06:45-15:30

1 stop15h 45m

£485

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

jeu. 16/4

18:40-15:30

1 stop13h 50m

Belfast City

mar. 21/4

09:35-16:30

1 stop13h 55m

£496

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

jeu. 5/3

17:25-16:40

1 stop16h 15m

Belfast City

dim. 8/3

06:30-15:30

1 stop16h 00m

£504

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

mer. 11/2

17:25-14:15

1 stop13h 50m

Belfast City

dim. 15/2

06:30-15:30

1 stop16h 00m

£504

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

jeu. 29/1

08:05-22:05

3 stops31h 00m

Belfast Intl

jeu. 5/2

21:25-19:55

3 stops29h 30m

£882

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

lun. 23/3

18:25-14:15

1 stop13h 50m

£180

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

dim. 22/3

09:22-10:20

2 stops18h 58m

£182

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

lun. 23/3

16:40-17:00

2 stops18h 20m

£212

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

lun. 23/3

16:40-16:15

3 stops41h 35m

£274

Flights are sorted by cheapest return flights first.

Deals found on 15/12

Showing 1-10 of 12 results
1
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Best time to book a flight from Denver to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Denver with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Denver to Northern Ireland
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Denver to Northern Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Denver to Northern Ireland?

    Located just 18.5 mi from the city center, Denver Intl (DEN) is the airport most travelers will use when flying to Northern Ireland from Denver.

  • How long is the flight from Denver to Northern Ireland?

    Airlines like British Airways fly from Denver to Northern Ireland in about 15h 40m. The time it takes to get you to your destination can typically vary by up to . There are 4347 mi between Denver and Northern Ireland.

  • Can I find deals for flights from Denver to Northern Ireland that include hotel bookings?

    Yes. In addition to deals on Denver to Northern Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Denver to Northern Ireland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Northern Ireland.

  • Can I find deals for business class flights from Denver to Northern Ireland?

    Yes. Cheapflights offers flight deals from Denver to Northern Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Cheapflights helps you search for flights from Denver to Northern Ireland via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Denver to Northern Ireland?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Denver to Northern Ireland for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Denver to Northern Ireland with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Denver to Northern Ireland, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Denver to Northern Ireland become cheaper?

Of course! You can now track prices for flights from Denver to Northern Ireland and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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