Find flights
When to book
FAQs

Cheap flights from Colorado to Northern Ireland from £215

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BFS
29 Mar — 5 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Colorado to Northern Ireland

Enter your travel dates to find the best prices.

Cheapest flights from Colorado to Northern Ireland
Explore the most affordable flight options available from Colorado to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 February 2026.

Thu 3/918:40
DEN
-
BHD
1 stop13h 50m
British Airways
Mon 7/906:30
BHD
-
DEN
1 stop17h 00m
British Airways
Deal found 23/2£506
Tue 1/918:40
DEN
-
BHD
1 stop15h 55m
British Airways
Mon 7/915:20
BHD
-
DEN
1 stop32h 10m
British Airways
Deal found 24/2£508
Mon 14/918:40
DEN
-
BHD
1 stop15h 50m
British Airways
Thu 24/906:30
BHD
-
DEN
1 stop17h 00m
British Airways
Deal found 25/2£509
Mon 2/309:10
DEN
-
BHD
2 stops18h 30m
American Airlines
Wed 11/306:35
BHD
-
DEN
2 stops18h 29m
American Airlines
Deal found 24/2£509
Tue 10/310:25
DEN
-
BHD
2 stops18h 05m
American Airlines
Tue 24/310:00
BHD
-
DEN
2 stops18h 53m
American Airlines
Deal found 25/2£510
Thu 16/418:40
DEN
-
BHD
1 stop18h 55m
British Airways
Tue 21/409:40
BHD
-
DEN
1 stop13h 50m
British Airways
Deal found 25/2£514
Mon 14/914:13
DEN
-
BHD
2 stops18h 17m
British Airways
Fri 25/906:30
BHD
-
DEN
1 stop17h 00m
British Airways
Deal found 26/2£515
Mon 6/418:40
DEN
-
BHD
1 stop31h 20m
British Airways
Fri 2/1006:30
BHD
-
DEN
1 stop17h 00m
British Airways
Deal found 26/2£520
Thu 16/418:30
DEN
-
BHD
2 stops17h 15m
American Airlines
Tue 21/409:40
BHD
-
DEN
2 stops19h 19m
American Airlines
Deal found 25/2£521
Mon 31/818:40
DEN
-
BHD
1 stop15h 50m
British Airways
Fri 11/906:30
BHD
-
DEN
1 stop17h 00m
British Airways
Deal found 24/2£523
Mon 2/315:40
DEN
-
BFS
2 stops21h 35m
Multiple Airlines
Wed 11/307:55
BFS
-
DEN
2 stops17h 10m
Multiple Airlines
Deal found 24/2£526
Mon 13/411:10
DEN
-
BFS
3 stops29h 00m
Multiple Airlines
Mon 20/407:00
BFS
-
DEN
3 stops34h 18m
Multiple Airlines
Deal found 27/2£569

Find flight deals from Colorado to Northern Ireland

Keep the following information in mind while searching for Colorado to Northern Ireland flight deals. Data was last updated 27 February 2026.

Round-trip from

£510

One-way from

£215
American Airlines
  • American Airlines
  • 10/3-24/3
  • 4 total stops
  • 36h 58m total
  • Colorado to Northern Ireland
Search Deals
6/5
  • 6/5
  • 2 total stops
  • 32h 10m total
  • Colorado to Northern Ireland
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Colorado 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 27 February 2026.
Use the filters below to find and compare flights from Colorado to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Mon 6/4

18:40-19:25

1 stop17h 45m

Belfast City

Fri 2/10

09:35-16:30

1 stop13h 55m

£514

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Thu 16/4

18:40-20:35

1 stop18h 55m

Belfast City

Tue 21/4

09:40-16:30

1 stop13h 50m

£528

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Mon 13/4

11:10-23:10

3 stops29h 00m

Belfast Intl

Mon 20/4

07:00-10:18

3 stops34h 18m

£569

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Mon 18/5

18:40-17:30

1 stop15h 50m

Belfast City

Thu 28/5

06:30-16:51

2 stops17h 21m

£638

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Sat 28/3

18:40-16:40

2 stops40h 00m

Belfast City

Sat 4/4

19:05-16:30

1 stop28h 25m

£640

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Mon 9/3

12:51-16:45

2 stops21h 54m

Belfast City

Wed 25/3

17:20-22:17

2 stops34h 57m

£651

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Wed 11/3

06:40-16:50

2 stops28h 10m

Belfast City

Sun 22/3

17:20-21:46

2 stops34h 26m

£736

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Sat 28/3

16:40-22:05

3 stops23h 25m

Belfast Intl

Sat 4/4

07:40-18:25

3 stops41h 45m

£801

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Sun 3/5

09:40-13:50

2 stops21h 10m

Belfast Intl

Fri 8/5

09:40-19:00

2 stops16h 20m

£920

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Thu 19/3

13:25-13:40

2 stops18h 15m

Belfast Intl

Wed 1/4

21:50-19:00

2 stops28h 10m

£1,036

Flights are sorted by cheapest return flights first.

Deals found on 25/2

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

Best time to book a flight from Colorado to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Colorado 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 Colorado 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 Colorado to Northern Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Colorado to Northern Ireland?

    There are many flights that can get you from Colorado to Northern Ireland in 17h 45m. Fly via British Airways to get the fastest option. Colorado and Northern Ireland are separated by a distance of 4347 mi.

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

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

  • How can I find direct flights from Colorado to Northern Ireland?

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

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

    Yes. Cheapflights offers flight deals from Colorado 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

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 Colorado to Northern Ireland

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Gatwick flights
Boston to Heathrow flights
Dulles Intl to Heathrow flights
Los Angeles to Heathrow flights
O'Hare Intl to Heathrow flights
LaGuardia to Heathrow flights
Newark to Gatwick flights
San Francisco to Heathrow flights
Baltimore to Heathrow flights
John F Kennedy Intl to London City flights
John F Kennedy Intl to Stansted flights
Seattle to Heathrow flights
Dallas/Fort Worth to Heathrow flights
LaGuardia to Gatwick flights
Boston to Gatwick flights
Atlanta to Heathrow flights
Los Angeles to Gatwick flights
Orlando to Heathrow flights
Dulles Intl to Gatwick flights
Reagan-National to Heathrow flights
Miami to Heathrow flights
Hobby to Heathrow flights
Newark to Stansted flights
Dulles Intl to London City flights
O'Hare Intl to Gatwick flights
Boston to London City flights
Los Angeles to Stansted flights
O'Hare Intl to Stansted flights
Newark to Luton flights
Denver to Heathrow flights
O'Hare Intl to London City flights
San Francisco to Gatwick flights
Baltimore to Gatwick flights
Newark to London City flights
Boston to Stansted flights
Philadelphia to Heathrow flights
Reagan-National to Gatwick flights
George Bush Intcntl to Heathrow flights
Newark to Edinburgh flights
John F Kennedy Intl to Edinburgh flights
Los Angeles to London City flights
San Francisco to Stansted flights
Minneapolis to Heathrow flights
San Francisco to London City flights
Tampa to Heathrow flights
Dallas/Fort Worth to Gatwick flights

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 Colorado to Northern Ireland?

Cheapflights helps you search for flights from Colorado 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 Colorado to Northern Ireland?

Cheapflights simply makes it quick and affordable to book flights from Colorado to Northern Ireland by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Colorado to Northern Ireland flexibly with Cheapflights today.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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.