How long is the flight from Northern Ireland to Denver?

For as low as $702, British Airways can have you in Denver from Northern Ireland in 13h 15m. Northern Ireland and Denver are separated by a distance of 4347 mi.

In terms of precipitation, rainfall in Denver ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Denver when rainfall is around 0.5 in.

If weather is an important factor for your trip to Denver, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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

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

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

If you book a flight to Denver from Northern Ireland, you will be flying to Denver Intl, which is the city’s only airport. Denver Intl (DEN) is located 18.5 mi from the center of Denver.

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

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

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

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

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

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

$584+ Flights from Northern Ireland to Denver

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Cheap flight deals from Northern Ireland to Denver

Round-trip from	$702 (British Airways)
One-way from	$584 (Kiwi.com)

From Northern Ireland to Denver Intl

Search Deals

One-way flight from Northern Ireland to Denver Intl

Search Deals

Find flight deals from Northern Ireland to Denver

Cheapest flights from Northern Ireland to Denver
Explore the most affordable flight options available from Northern Ireland to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 12, 2026.

Wed 2/259:15 am

BHD

DEN

1 stop13h 15m

British Airways

Wed 3/412:20 pm

DEN

BHD

2 stops14h 55m

British Airways

Deal found 1/11

$702

Thu 2/59:05 am

BHD

DEN

1 stop13h 25m

British Airways

Mon 2/95:25 pm

DEN

BHD

1 stop15h 40m

British Airways

Deal found 1/11

$725

Fri 2/68:20 am

BHD

DEN

2 stops38h 10m

British Airways

Mon 2/97:50 am

DEN

BHD

2 stops25h 15m

British Airways

Deal found 1/10

$726

Best flights from Northern Ireland to Denver
Discover carefully curated flight deals from Northern Ireland to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 12, 2026.

Wed 2/259:15 am

BHD

DEN

1 stop13h 15m

British Airways

Wed 3/412:20 pm

DEN

BHD

2 stops14h 55m

British Airways

Deal found 1/11

$702

Thu 2/55:45 pm

BHD

DEN

1 stop28h 45m

British Airways

Mon 2/97:50 am

DEN

BHD

2 stops25h 15m

British Airways

Deal found 1/10

$725

Fri 2/67:35 pm

BHD

DEN

1 stop26h 55m

British Airways

Mon 2/95:25 pm

DEN

BHD

1 stop13h 50m

British Airways

Deal found 1/10

$725

Last-minute flights from Northern Ireland to Denver
Discover last-minute flight deals from Northern Ireland to Denver. Data last updated January 12, 2026 and is based on user searches.

Thu 2/59:05 am

BHD

DEN

1 stop13h 25m

British Airways

Mon 2/97:50 am

DEN

BHD

2 stops25h 15m

British Airways

Deal found 1/11

$725

Fri 2/68:20 am

BHD

DEN

2 stops38h 10m

British Airways

Mon 2/97:50 am

DEN

BHD

2 stops25h 15m

British Airways

Deal found 1/10

$726

Wed 2/259:15 am

BHD

DEN

1 stop13h 15m

British Airways

Wed 3/412:20 pm

DEN

BHD

2 stops14h 55m

British Airways

Deal found 1/11

$702

One-way flights from Northern Ireland to Denver
Search for one-way flight options from Northern Ireland to Denver. Find affordable one-way fares based on user searches. Data last updated January 12, 2026.

Wed 2/117:40 am

BFS

DEN

3 stops56h 49m

Multiple Airlines

Deal found 1/12

$584

Wed 2/115:20 pm

BHD

DEN

3 stops31h 45m

Multiple Airlines

Deal found 1/12

$671

Mon 7/63:25 pm

BHD

DEN

2 stops35h 19m

British Airways

Deal found 1/12

$721

Mon 7/68:55 pm

BFS

DEN

2 stops29h 05m

Multiple Airlines

Deal found 1/12

$731

Sun 7/57:00 am

BHD

DEN

2 stops18h 15m

Aer Lingus

Deal found 1/12

$732

Sun 7/58:50 pm

BFS

DEN

2 stops46h 35m

Multiple Airlines

Deal found 1/12

$751

Wed 2/115:40 pm

BHD

DEN

1 stop28h 50m

British Airways

Deal found 1/12

$873

Mon 7/63:25 pm

BHD

DEN

1 stop32h 05m

American Airlines

Deal found 1/12

$1,015

Mon 7/63:25 pm

BHD

DEN

3 stops29h 20m

Multiple Airlines

Deal found 1/12

$1,169

Sun 7/58:10 pm

BHD

DEN

1 stop27h 20m

British Airways

Deal found 1/12

$1,272

Mon 5/254:55 pm

BHD

DEN

3 stops49h 30m

Multiple Airlines

Deal found 1/11

$1,288

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Wed 2/25

9:15 am-3:30 pm

1 stop13h 15m

Denver Intl

Wed 3/4

12:20 pm-10:15 am

2 stops14h 55m

$702

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Thu 2/5

5:45 pm-3:30 pm

1 stop28h 45m

Denver Intl

Mon 2/9

7:50 am-4:05 pm

2 stops25h 15m

$725

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Fri 2/6

7:35 pm-3:30 pm

1 stop26h 55m

Denver Intl

Mon 2/9

5:25 pm-2:15 pm

1 stop13h 50m

$725

BelfastDenver

BFS - DEN

BFSDEN

Belfast Intl

Wed 2/11

7:40 am-9:29 am

3 stops56h 49m

$584

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Wed 2/11

5:20 pm-6:05 pm

3 stops31h 45m

$671

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Mon 7/6

3:25 pm-7:44 pm

2 stops35h 19m

$721

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Sun 7/5

1:00 pm-12:07 am

2 stops42h 07m

$721

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Mon 7/6

3:25 pm-7:44 pm

2 stops35h 19m

$721

BelfastDenver

BFS - DEN

BFSDEN

Belfast Intl

Mon 7/6

8:55 pm-7:00 pm

2 stops29h 05m

$731

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Sun 7/5

7:00 am-6:15 pm

2 stops18h 15m

$732

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/12

Showing 1-10 of 15 results

Best time to book a flight from Northern Ireland to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Northern Ireland with our price prediction graph.

Estimated round-trip 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 Northern Ireland to Denver

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

Related info for your journey

What airport do you fly into for flights to Denver from Northern Ireland?
If you book a flight to Denver from Northern Ireland, you will be flying to Denver Intl, which is the city’s only airport. Denver Intl (DEN) is located 18.5 mi from the center of Denver.
How long is the flight from Northern Ireland to Denver?
For as low as $702, British Airways can have you in Denver from Northern Ireland in 13h 15m. Northern Ireland and Denver are separated by a distance of 4347 mi.
Can I find deals for flights from Northern Ireland to Denver that include hotel bookings?
Yes. In addition to deals on Northern Ireland to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Northern Ireland to Denver?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Northern Ireland to Denver.
Can I find deals for business class flights from Northern Ireland to Denver?
Yes. Cheapflights offers flight deals from Northern Ireland to Denver 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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$584+ Cheap flights from Northern Ireland to Denver (DEN)

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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Northern Ireland to Denver with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Northern Ireland to Denver

Keep the following information in mind while searching for Northern Ireland to Denver flight deals. Data was last updated January 12, 2026.

Round-trip from

One-way from

Find flight deals from Northern Ireland to Denver

Cheapest flights from Northern Ireland to DenverExplore the most affordable flight options available from Northern Ireland to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 12, 2026.

Explore the most affordable flight options available from Northern Ireland to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 12, 2026.

Cheapflights Fare Finder

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

Best time to book a flight from Northern Ireland to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Northern Ireland with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Northern Ireland to Denver

Related info for your journey

Find useful and relevant information for your journey from Northern Ireland to Denver. 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 into for flights to Denver from Northern Ireland?

How long is the flight from Northern Ireland to Denver?

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

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

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

Traveling to a place near Denver?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Northern Ireland to Denver

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Cheapest flights from Northern Ireland to Denver
Explore the most affordable flight options available from Northern Ireland to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 12, 2026.