Cheap flights from Northern Ireland to Denver from £434

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Northern Ireland to Denver departing on 11/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Northern Ireland to Denver

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
09:15 - 15:30
BHD
-
DEN
13h 15m
1 stop
British Airways Logo
12:20 - 10:15
DEN
-
BHD
14h 55m
2 stops
£522British Airways
Wed, 25 Feb - Wed, 4 Mar
British Airways Logo
09:15 - 21:36
BHD
-
DEN
19h 21m
2 stops
British Airways Logo
09:22 - 10:15
DEN
-
BHD
17h 53m
2 stops
£525British Airways
Wed, 25 Feb - Wed, 4 Mar
British Airways Logo
09:05 - 15:30
BHD
-
DEN
13h 25m
1 stop
British Airways Logo
07:50 - 16:05
DEN
-
BHD
25h 15m
2 stops
£539British Airways
Thu, 5 Feb - Mon, 9 Feb
British Airways Logo
08:20 - 15:30
BHD
-
DEN
38h 10m
2 stops
British Airways Logo
07:50 - 16:05
DEN
-
BHD
25h 15m
2 stops
£540British Airways
Fri, 6 Feb - Mon, 9 Feb
British Airways Logo
19:35 - 21:11
BHD
-
DEN
32h 36m
2 stops
British Airways Logo
12:34 - 16:05
DEN
-
BHD
20h 31m
2 stops
£543British Airways
Fri, 6 Feb - Mon, 9 Feb
British Airways Logo
11:25 - 15:30
BHD
-
DEN
35h 05m
1 stop
British Airways Logo
17:25 - 07:30
DEN
-
BHD
31h 05m
1 stop
£549British Airways
Wed, 25 Feb - Wed, 4 Mar
British Airways Logo
10:40 - 22:34
BHD
-
DEN
18h 54m
2 stops
British Airways Logo
07:50 - 10:40
DEN
-
BHD
19h 50m
2 stops
£563British Airways
Thu, 5 Feb - Mon, 9 Feb
British Airways Logo
10:40 - 23:16
BHD
-
DEN
19h 36m
2 stops
British Airways Logo
10:45 - 14:15
DEN
-
BHD
20h 30m
2 stops
£563British Airways
Thu, 5 Feb - Mon, 9 Feb

British Airways flights from Northern Ireland to Denver

Our best British Airways deals on Northern Ireland to Denver flight tickets
British Airways
25 Feb
BHD09:15Belfast City
13h 15m
1 stop
DEN15:30Denver Intl
4 Mar
DEN12:20Denver Intl
14h 55m
2 stops
BHD10:15Belfast City
£522
British Airways
25 Feb
BHD09:15Belfast City
19h 21m
2 stops
DEN21:36Denver Intl
4 Mar
DEN09:22Denver Intl
17h 53m
2 stops
BHD10:15Belfast City
£525
British Airways
5 Feb
BHD09:05Belfast City
13h 25m
1 stop
DEN15:30Denver Intl
9 Feb
DEN07:50Denver Intl
25h 15m
2 stops
BHD16:05Belfast City
£539

momondo Fare Finder

 
Customise your flight search to find flights from Northern Ireland to Denver 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, momondo users made 279,928 searches. Data last updated 13 January 2026.
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 25/2

09:15-15:30

1 stop13h 15m

Denver Intl

Wed 4/3

12:20-10:15

2 stops14h 55m

£522

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Wed 25/2

09:15-21:36

2 stops19h 21m

Denver Intl

Wed 4/3

09:22-10:15

2 stops17h 53m

£525

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Thu 5/2

09:05-15:30

1 stop13h 25m

Denver Intl

Mon 9/2

07:50-16:05

2 stops25h 15m

£539

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Fri 6/2

08:20-15:30

2 stops38h 10m

Denver Intl

Mon 9/2

07:50-16:05

2 stops25h 15m

£540

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Fri 6/2

19:35-21:11

2 stops32h 36m

Denver Intl

Mon 9/2

12:34-16:05

2 stops20h 31m

£543

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Wed 25/2

11:25-15:30

1 stop35h 05m

Denver Intl

Wed 4/3

17:25-07:30

1 stop31h 05m

£549

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Thu 5/2

10:40-22:34

2 stops18h 54m

Denver Intl

Mon 9/2

07:50-10:40

2 stops19h 50m

£563

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Thu 5/2

10:40-23:16

2 stops19h 36m

Denver Intl

Mon 9/2

10:45-14:15

2 stops20h 30m

£563

BelfastDenver

BFS - DEN

BFSDEN

Belfast Intl

Wed 11/2

07:40-09:29

3 stops56h 49m

£434

BelfastDenver

BFS - DEN

BFSDEN

Belfast Intl

Wed 11/2

20:50-07:55

2 stops42h 05m

£494

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

See travel insights to Denver from

How to get the cheapest flight ticket from Northern Ireland to Denver

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Northern Ireland to Denver Intl?

British Airways, American Airlines, and Aer Lingus are the most popular carriers operating from Northern Ireland to Denver Intl

Cheap Northern Ireland to Denver flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Northern Ireland to Denver

Fastest flight time

13h 15m

Direct flights

None
The fastest flight from Northern Ireland to Denver takes 13h 15m
There are no direct flights from Northern Ireland to Denver. There are no popular flight routes from Northern Ireland to Denver.
  • When did momondo last update prices for flights from Northern Ireland to Denver Intl Airport?

    Prices for flights from Northern Ireland to Denver Intl Airport were last updated today.

  • How many operators does momondo search for flights from Northern Ireland to Denver Intl Airport?

  • How old do you have to be to fly from Northern Ireland to Denver Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Northern Ireland to Denver Intl Airport.

  • What documentation or ID do you need to fly to Denver Intl Airport?

    The required travel and health documents for your Denver Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Denver Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Northern Ireland to Denver

Compare and see reviews for airlines that fly from Northern Ireland to Denver with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £531Free CancellationRating
6.7
7,665 reviews
Search British Airways flights

Travelling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Westminster
Breckenridge
Manitou Springs
Golden
Boulder
Winter Park
Dillon
Keystone
Longmont
Fort Collins
Lakewood
Littleton
Aurora
Broomfield
Estes Park
Englewood
Copper Mountain

Why use momondo?

Why should I use momondo to find a flight deal from Northern Ireland to Denver?

It is quick and easy to find Northern Ireland to Denver flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Denver that suits you.

Can I find flights from Northern Ireland to Denver with flexible booking policies on momondo?

momondo does allow users to show only those flights to Denver from Northern Ireland which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Northern Ireland to Denver?

momondo provides multiple filters to help you find the best flight to Denver from Northern Ireland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Northern Ireland to Denver right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Denver from Northern Ireland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Denver trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 12/2
Thu 19/2

Find better results for your trip to the United States