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Cheap flights from Denver to Northern Ireland from £665

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BFS
31 May — 7 Jun1
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 May 2026.

Mon 11/518:30
DEN
-
BHD
1 stop16h 00m
British Airways
Thu 21/506:30
BHD
-
DEN
1 stop16h 50m
British Airways
Deal found 1/5£665
Sun 23/818:40
DEN
-
BHD
1 stop16h 00m
British Airways
Tue 1/918:20
BHD
-
DEN
1 stop29h 10m
British Airways
Deal found 1/5£695
Sun 6/1217:25
DEN
-
BHD
1 stop13h 30m
British Airways
Thu 10/1209:05
BHD
-
DEN
1 stop13h 25m
British Airways
Deal found 28/4£699
Tue 1/918:40
DEN
-
BHD
1 stop13h 40m
British Airways
Tue 15/906:30
BHD
-
DEN
1 stop17h 00m
British Airways
Deal found 27/4£704
Mon 31/818:40
DEN
-
BHD
1 stop15h 50m
British Airways
Fri 11/906:30
BHD
-
DEN
1 stop17h 00m
British Airways
Deal found 30/4£708
Mon 31/818:40
DEN
-
BHD
1 stop15h 50m
Multiple Airlines
Fri 11/906:30
BHD
-
DEN
2 stops18h 57m
Multiple Airlines
Deal found 30/4£710
Mon 31/812:39
DEN
-
BHD
2 stops17h 16m
American Airlines
Fri 11/906:30
BHD
-
DEN
2 stops18h 57m
American Airlines
Deal found 30/4£712
Mon 2/1115:40
DEN
-
BFS
2 stops22h 20m
Multiple Airlines
Mon 9/1122:20
BFS
-
DEN
3 stops28h 35m
Multiple Airlines
Deal found 28/4£763
Mon 11/511:30
DEN
-
BFS
3 stops29h 20m
Multiple Airlines
Thu 21/508:20
BFS
-
DEN
3 stops34h 00m
Multiple Airlines
Deal found 29/4£783
Sun 14/611:30
DEN
-
BFS
2 stops26h 30m
Multiple Airlines
Sun 21/607:10
BFS
-
DEN
3 stops35h 10m
Multiple Airlines
Deal found 30/4£862

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 May 2026.

Round-trip from

£665
British Airways
  • British Airways
  • 11/5-21/5
  • 2 total stops
  • 32h 50m 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 May 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
Fastest return journey

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Sun 23/8

18:40-14:35

1 stop12h 55m

Belfast City

Tue 1/9

09:40-16:30

1 stop13h 50m

£695

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Sun 6/9

18:40-14:35

1 stop12h 55m

Belfast City

Wed 9/9

16:05-16:30

1 stop31h 25m

£699

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Tue 1/9

15:14-15:20

2 stops17h 06m

Belfast City

Fri 11/9

06:30-18:27

2 stops18h 57m

£708

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Mon 31/8

16:21-15:30

2 stops16h 09m

Belfast City

Fri 11/9

06:30-18:27

2 stops18h 57m

£712

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Tue 1/9

10:44-10:45

2 stops17h 01m

Belfast City

Tue 15/9

20:25-16:30

1 stop27h 05m

£724

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Tue 1/9

18:40-17:35

1 stop15h 55m

Belfast City

Fri 11/9

06:30-16:30

1 stop17h 00m

£726

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Mon 11/5

11:30-23:50

3 stops29h 20m

Belfast Intl

Thu 21/5

08:20-11:20

3 stops34h 00m

£783

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Sun 14/6

09:40-21:00

3 stops28h 20m

Belfast Intl

Sun 21/6

07:10-11:20

3 stops35h 10m

£864

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Fri 12/6

12:15-16:30

2 stops21h 15m

Belfast Intl

Fri 19/6

07:05-11:20

3 stops35h 15m

£969

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Sat 13/6

11:30-18:55

3 stops24h 25m

Belfast Intl

Sat 20/6

06:55-11:20

2 stops35h 25m

£1,028

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 11 resultsSorted by cheapest first
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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 and American Airlines fly from Denver to Northern Ireland in about 12h 55m. The time it takes to get you to your destination can typically vary by up to 4h 11m. 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

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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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