Find flights
When to book
FAQs

Cheap flights from Denver to Northern Ireland from £257

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 13/1. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BFS
31 Aug — 7 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Denver to Northern Ireland

Enter your travel dates to find the best prices.

Cheapest flights from Denver to Northern Ireland
Explore the most affordable flight options available from Denver to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 August 2026.

Mon 7/1217:01
DEN
-
BHD
1 stop14h 14m
British Airways
Fri 11/1208:45
BHD
-
DEN
1 stop13h 25m
British Airways
Deal found 30/7£702
Sat 5/1217:01
DEN
-
BHD
1 stop15h 54m
British Airways
Wed 9/1211:25
BHD
-
DEN
1 stop34h 45m
British Airways
Deal found 30/7£739
Tue 1/918:40
DEN
-
BHD
1 stop13h 40m
British Airways
Tue 15/916:25
BHD
-
DEN
1 stop31h 05m
British Airways
Deal found 29/7£747
Tue 1/918:40
DEN
-
BHD
1 stop13h 40m
American Airlines
Fri 11/906:30
BHD
-
DEN
2 stops21h 05m
American Airlines
Deal found 30/7£753
Tue 1/918:40
DEN
-
BHD
1 stop13h 40m
British Airways
Fri 11/909:35
BHD
-
DEN
2 stops17h 03m
British Airways
Deal found 29/7£753
Mon 31/818:40
DEN
-
BHD
1 stop13h 50m
British Airways
Fri 11/906:30
BHD
-
DEN
1 stop17h 00m
British Airways
Deal found 28/7£754
Tue 15/909:40
DEN
-
BFS
2 stops18h 00m
Multiple Airlines
Thu 24/914:25
BFS
-
DEN
2 stops34h 50m
Multiple Airlines
Deal found 1/8£859
Sun 22/1113:30
DEN
-
BFS
2 stops25h 10m
Multiple Airlines
Sat 28/1115:25
BFS
-
DEN
3 stops33h 35m
Multiple Airlines
Deal found 31/7£872
Thu 27/820:10
DEN
-
BFS
2 stops15h 45m
Multiple Airlines
Thu 3/906:40
BFS
-
DEN
2 stops35h 40m
Multiple Airlines
Deal found 30/7£935
Fri 25/1215:40
DEN
-
BFS
2 stops22h 00m
Multiple Airlines
Fri 1/107:00
BFS
-
DEN
2 stops18h 00m
Multiple Airlines
Deal found 30/7£936
Fri 9/1016:40
DEN
-
BFS
2 stops21h 35m
Multiple Airlines
Sun 18/1009:35
BFS
-
DEN
2 stops35h 45m
Multiple Airlines
Deal found 28/7£962

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 1 August 2026.

Round-trip from

£702

One-way from

£257
British Airways
  • British Airways
  • 7/12-11/12
  • 2 total stops
  • 27h 39m total
  • Denver to Northern Ireland
Search Deals
British Airways
  • British Airways
  • 13/1
  • 2 total stops
  • 18h 12m total
  • Denver to Northern Ireland
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 1 August 2026.
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 return flight

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Sat 5/12

17:01-15:55

1 stop15h 54m

Belfast City

Wed 9/12

11:25-15:10

1 stop34h 45m

£740

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Tue 1/9

14:21-15:20

2 stops17h 59m

Belfast City

Tue 15/9

18:20-16:30

1 stop29h 10m

£752

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Mon 31/8

14:21-15:30

2 stops18h 09m

Belfast City

Fri 11/9

06:30-17:42

2 stops18h 12m

£760

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Mon 7/12

16:40-17:25

2 stops17h 45m

Belfast City

Fri 11/12

06:45-15:10

1 stop15h 25m

£869

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Sun 22/11

13:30-21:40

2 stops25h 10m

Belfast Intl

Sat 28/11

15:25-18:00

3 stops33h 35m

£872
Fastest return journey

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Sun 29/11

17:01-13:55

1 stop13h 54m

Belfast City

Thu 3/12

11:05-21:57

2 stops17h 52m

£873

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Tue 15/9

09:40-23:20

3 stops30h 40m

Belfast Intl

Thu 24/9

20:20-20:17

3 stops30h 57m

£898

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Thu 27/8

20:10-18:55

2 stops15h 45m

Belfast Intl

Thu 3/9

06:40-11:20

2 stops35h 40m

£935

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Fri 25/12

15:40-20:40

2 stops22h 00m

Belfast Intl

Fri 1/1

07:00-18:00

2 stops18h 00m

£936

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Fri 9/10

09:40-23:20

3 stops30h 40m

Belfast Intl

Sun 18/10

09:35-14:20

2 stops35h 45m

£964

Flights are sorted by cheapest return flights first.

Deals found on 31/7

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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 and American Airlines fly from Denver to Northern Ireland in about 15h 54m. The time it takes to get you to your destination can typically vary by up to 2h 15m. There are 4347 mi between Denver and Northern Ireland. Both multi-stop and direct flights can be found to your destination and back.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Denver to Northern Ireland?

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.