How long is the flight from Denver to Northern Ireland?

Airlines like British Airways fly from Denver to Northern Ireland in about 13h 49m. 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.

In terms of precipitation, rainfall in Northern Ireland ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Northern Ireland when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Northern Ireland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

What is the cheapest time of day to fly from DEN to NIR?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Denver to Northern Ireland as you normally would.

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.

£600+ Cheap Flights from Denver to Northern Ireland

Cheap flight deals from Denver to Northern Ireland

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

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 15 September 2026.

Mon 26/1016:40 -

2 stops21h 55m

Mon 2/1106:20 -

2 stops18h 40m

Deal found 11/9£600

Thu 29/1016:40 -

2 stops20h 30m

Thu 5/1107:20 -

2 stops17h 40m

Deal found 14/9£622

Sun 8/1117:01 -

1 stop13h 49m

Fri 20/1106:45 -

1 stop15h 25m

Deal found 14/9£702

Sun 11/1006:35 -

2 stops19h 45m

Tue 20/1017:30 -

2 stops28h 37m

Deal found 12/9£712

Sun 11/1018:35 -

1 stop13h 00m

Tue 20/1006:30 -

2 stops17h 49m

Deal found 12/9£719

Sun 11/1018:35 -

1 stop16h 05m

Tue 20/1013:45 -

1 stop33h 40m

Deal found 12/9£722

Sun 25/1013:30 -

2 stops26h 10m

Sun 1/1113:25 -

2 stops32h 05m

Deal found 10/9£737

Sun 8/1115:40 -

2 stops23h 00m

Fri 20/1106:30 -

2 stops18h 30m

Deal found 14/9£745

Sun 11/1009:10 -

3 stops28h 45m

Tue 20/1007:00 -

3 stops44h 17m

Deal found 12/9£770

Sun 8/1109:00 -

3 stops20h 00m

Fri 20/1107:20 -

2 stops17h 40m

Deal found 14/9£835

Wed 28/1018:01 -

1 stop14h 34m

Sun 8/1116:20 -

2 stops53h 50m

Deal found 11/9£1,449

Find flight deals from Denver to Northern Ireland

Round-trip from	£600

26/10-2/11
4 total stops
40h 35m total
Denver to Northern Ireland

Search Deals

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Use the filters below to find and compare flights from Denver to Northern Ireland that are best for you.

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Fly to

Route

Depart

Return

Price

Cheapest return flight

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Mon 26/10

16:40-20:35

2 stops21h 55m

Belfast Intl

Mon 2/11

06:20-18:00

2 stops18h 40m

£600

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Thu 29/10

16:40-19:10

2 stops20h 30m

Belfast Intl

Thu 5/11

07:20-18:00

2 stops17h 40m

£622

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Sun 8/11

17:01-13:50

1 stop13h 49m

Belfast City

Fri 20/11

06:45-15:10

1 stop15h 25m

£702

Fastest return journey

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Mon 1/3

17:01-14:15

1 stop14h 14m

Belfast City

Fri 5/3

08:35-15:10

1 stop13h 35m

£711

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Sun 11/10

18:35-14:35

1 stop13h 00m

Belfast City

Tue 20/10

06:30-17:19

2 stops17h 49m

£719

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Sun 25/10

13:30-21:40

2 stops26h 10m

Belfast Intl

Sun 1/11

13:25-14:30

2 stops32h 05m

£737

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Sun 11/10

09:10-20:55

3 stops28h 45m

Belfast Intl

Tue 20/10

07:00-20:17

3 stops44h 17m

£770

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Sun 8/11

15:40-14:50

3 stops16h 10m

Belfast Intl

Fri 20/11

06:30-18:00

2 stops18h 30m

£799

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Mon 1/3

14:28-14:15

2 stops16h 47m

Belfast City

Thu 4/3

06:30-17:28

2 stops17h 58m

£1,014

Flights are sorted by cheapest return flights first.

Deals found on 11/9

Sorted by cheapest first

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.

DEN-BFS

DEN-BHD

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

DEN-GBNIR

DEN-BFS

DEN-BHD

No data available for this route at this time. Please check back soon.

Related info for your journey

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 13h 49m. 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.

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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.

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Cheap flights from Denver to Northern Ireland from £600

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Denver to Northern Ireland

Cheapest flights from Denver to Northern IrelandExplore 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 15 September 2026.

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 15 September 2026.

Best flights from Denver to Northern IrelandDiscover 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 15 September 2026.

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 15 September 2026.

Last-minute flights from Denver to Northern IrelandDiscover last-minute flight deals from Denver to Northern Ireland. Data last updated 15 September 2026 and is based on user searches.

Discover last-minute flight deals from Denver to Northern Ireland. Data last updated 15 September 2026 and is based on user searches.

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Use the filters below to find and compare flights from Denver to Northern Ireland that are best for you.

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.

Cheapflights Insights

Related info for your journey

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

How long is the flight from Denver to Northern Ireland?

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

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

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

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.

Alternative routes for Denver to Northern Ireland

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Northern Ireland by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United Kingdom

Book a non-stop flight to one of these other cities located in United Kingdom.

Search flights from Denver to Northern Ireland by cabin class

Find flights from Denver to Northern Ireland, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Denver and Northern Ireland flights

Browse other Denver and Northern Ireland flight options. Last updated on 15 September 2026.

Popular flight searches

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

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

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

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

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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 15 September 2026.

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 15 September 2026.

Last-minute flights from Denver to Northern Ireland
Discover last-minute flight deals from Denver to Northern Ireland. Data last updated 15 September 2026 and is based on user searches.