Find flights
When to book
Airlines
FAQs

Cheap flights from Denver to Northern Ireland from £277

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 19/8. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BFS
15 Jul — 22 Jul1
1 adult

Cheap 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 10 July 2025.

Round-trip from

£450

One-way from

£277

Popular in

December

Cheapest in

February

Average price

£780
1/10-7/10
  • 1/10-7/10
  • 4 total stops
  • 62h 50m total
  • Denver to Northern Ireland
British Airways
  • British Airways
  • 19/8
  • 2 total stops
  • 18h 15m total
  • Denver to Northern Ireland
Highest demand for flights based on searches. 10% potential increase in price (£55 potential increase over avg. return price).
Cheapest flight prices on average. 8% potential price decrease (£37 potential savings vs. average return price).
Average for round-trip flights in July 2025

Find flight deals from Denver to Northern Ireland

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 10 July 2025.

Wed 1/1016:40DEN - BFS
2 stops23h 30mMultiple Airlines
Tue 7/1010:35BFS - DEN
2 stops39h 20mMultiple Airlines
Deal found 9/7£450
Thu 2/1012:32DEN - BHD
2 stops15h 38mBritish Airways
Sun 12/1011:00BHD - DEN
2 stops19h 41mBritish Airways
Deal found 8/7£486
Wed 1/1014:17DEN - BHD
2 stops18h 18mAmerican Airlines
Tue 7/1009:35BHD - DEN
2 stops19h 30mAmerican Airlines
Deal found 9/7£497
Thu 23/1016:00DEN - BHD
2 stops17h 55mDelta
Sun 2/1117:20BHD - DEN
2 stops29h 10mDelta
Deal found 10/7£553
Fri 3/1016:00DEN - BHD
2 stops22h 15mVirgin Atlantic
Tue 7/1006:30BHD - DEN
2 stops19h 40mVirgin Atlantic
Deal found 9/7£554
Fri 3/1014:00DEN - BHD
2 stops24h 15mKLM
Tue 7/1006:30BHD - DEN
2 stops18h 39mKLM
Deal found 8/7£592
Mon 27/1012:45DEN - BHD
2 stops22h 05mMultiple Airlines
Sat 1/1106:30BHD - DEN
2 stops18h 00mMultiple Airlines
Deal found 10/7£612
Thu 9/1018:35DEN - BHD
1 stop13h 55mAer Lingus
Sun 19/1013:00BHD - DEN
1 stop34h 25mAer Lingus
Deal found 9/7£761

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 10 July 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 - BFS

DENBFS

Denver Intl

Wed 1/10

16:40-23:10

2 stops23h 30m

Belfast Intl

Tue 7/10

10:35-18:55

2 stops39h 20m

£450

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Thu 2/10

12:32-11:10

2 stops15h 38m

Belfast City

Sun 12/10

11:00-23:41

2 stops19h 41m

£486

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Wed 1/10

14:17-15:35

2 stops18h 18m

Belfast City

Tue 7/10

09:35-22:05

2 stops19h 30m

£497

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Thu 23/10

14:59-16:55

2 stops18h 56m

Belfast City

Thu 30/10

06:30-22:30

2 stops22h 00m

£553

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Fri 3/10

16:00-21:15

2 stops22h 15m

Belfast City

Tue 7/10

06:30-19:10

2 stops19h 40m

£554

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Fri 3/10

14:00-21:15

2 stops24h 15m

Belfast City

Tue 7/10

06:30-18:09

2 stops18h 39m

£592

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Mon 27/10

12:45-16:50

2 stops22h 05m

Belfast City

Sat 1/11

06:30-18:30

2 stops18h 00m

£612

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Thu 9/10

18:35-15:30

1 stop13h 55m

Belfast City

Sun 19/10

13:00-16:25

1 stop34h 25m

£761

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Tue 19/8

14:05-15:20

2 stops18h 15m

£277

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Tue 19/8

09:41-10:35

2 stops17h 54m

£283

Flights are sorted by cheapest return flights first.

Deals found on 9/7

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.

Reviews of airlines servicing Northern Ireland

Get insights into the airlines that provide service to Northern Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Northern Ireland. Reviews last updated 10 July 2025.
Read reviews from past customers who have flown with Delta, KLM, andVirgin Atlantic from Denver to Northern Ireland. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very Good

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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.

  • What is the cheapest month to book a flight from Denver to Northern Ireland?

    Currently, January is the cheapest month in which you can book a flight from Denver to Northern Ireland (average of £67). Flying from Denver to Northern Ireland in July is currently the most expensive (average of £90). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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.