Find flights
When to book
FAQs

Cheap flights from Colorado to Belfast City Airport from £302

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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BHD
6 Dec — 13 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Colorado to Belfast City

Enter your travel dates to find the best prices.

Cheapest flights from Colorado to Belfast City
Explore the most affordable flight options available from Colorado to Belfast City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 November 2025.

Wed 3/1215:40DEN - BHD
2 stops20h 20mMultiple Airlines
Wed 10/1207:25BHD - DEN
2 stops17h 40mMultiple Airlines
Deal found 5/11£556
Wed 3/1217:25DEN - BHD
1 stop31h 05mBritish Airways
Wed 10/1219:25BHD - DEN
1 stop27h 05mBritish Airways
Deal found 5/11£576

Cheap flight deals from Colorado to Belfast City

Keep the following information in mind while searching for Colorado to Belfast City flight deals. Data was last updated 6 November 2025.

Round-trip from

£526

One-way from

£302

Popular in

December

Cheapest in

November

Average price

£486
British Airways
  • British Airways
  • 29/4-11/5
  • 2 total stops
  • 42h 00m total
  • Colorado to Belfast
Search Deals
British Airways
  • British Airways
  • 15/1
  • 1 total stop
  • 16h 15m total
  • Colorado to Belfast
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£44 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£41 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Colorado to Belfast City 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 6 November 2025.
Use the filters below to find and compare flights from Colorado to Belfast City Airport that are best for you.

Fly from

Colorado

Fly to

Belfast City

Route

Depart

Return

Price

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Sat 2/5

18:40-17:15

1 stop15h 35m

Belfast City

Sun 10/5

06:50-16:35

1 stop16h 45m

£526

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Fri 1/5

18:40-15:30

1 stop13h 50m

Belfast City

Sun 10/5

11:00-16:35

1 stop12h 35m

£526

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Sun 3/5

18:40-17:45

1 stop16h 05m

Belfast City

Mon 11/5

19:30-16:35

1 stop28h 05m

£526

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Sat 2/5

18:40-15:05

1 stop13h 25m

Belfast City

Sat 9/5

19:00-16:35

1 stop28h 35m

£526

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Thu 30/4

18:40-15:30

1 stop13h 50m

Belfast City

Wed 6/5

20:15-16:35

1 stop27h 20m

£526

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Wed 29/4

18:40-13:30

1 stop11h 50m

Belfast City

Wed 6/5

13:50-16:35

1 stop33h 45m

£526

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Fri 1/5

18:40-15:30

1 stop13h 50m

Belfast City

Tue 12/5

18:15-16:35

1 stop29h 20m

£526

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Mon 4/5

18:40-15:40

1 stop14h 00m

Belfast City

Mon 11/5

12:15-16:35

1 stop35h 20m

£526

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Thu 30/4

18:40-15:30

1 stop13h 50m

Belfast City

Tue 12/5

18:15-16:35

1 stop29h 20m

£526

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Sun 3/5

18:40-17:45

1 stop16h 05m

Belfast City

Tue 12/5

20:20-16:35

1 stop27h 15m

£526

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Showing 1-10 of 15 results
1
2

Best time to book a flight from Colorado to Belfast City

Have a flexible travel schedule? Discover the best time to fly to Belfast City 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 Belfast City Airport
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 Belfast City. 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 Belfast City Airport?

    For as low as £526, British Airways can have you in Belfast City Airport from Colorado in 15h 35m. The distance between Colorado and Belfast City Airport is about 4347 mi.

  • Can I find deals for flights from Colorado to Belfast City that include hotel bookings?

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

  • How can I find direct flights from Colorado to Belfast City?

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

  • Can I find deals for business class flights from Colorado to Belfast City?

    Yes. Cheapflights offers flight deals from Colorado to Belfast City 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

Travelling to a place near Belfast City Airport?

Book flights to Belfast City Airport if you plan to visit one of these locations
Bangor
Newcastle
Carrickfergus

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 Belfast City

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Belfast Intl flights
Newark to Belfast Intl flights
John F Kennedy Intl to Belfast City flights
Minneapolis to Belfast Intl flights
Boston to Belfast Intl flights
Boston to Belfast City flights
Seattle to Belfast City flights
Los Angeles to Belfast Intl flights
Minneapolis to Belfast City flights
Los Angeles to Belfast City flights
Portland to Belfast Intl flights
Dallas/Fort Worth to Belfast Intl flights
LaGuardia to Belfast City flights
Denver to Belfast Intl flights
Atlanta to Belfast Intl flights
Hobby to Belfast City flights
Portland to Belfast City flights
San Francisco to Belfast Intl flights
Miami to Belfast Intl flights
San Francisco to Belfast City flights
Austin to Belfast Intl flights
Miami to Belfast City flights
Orlando to Belfast Intl flights
Denver to Belfast City flights
O'Hare Intl to Belfast Intl flights
Nashville to Belfast City 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 Belfast City?

Deals for Colorado to Belfast City flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Colorado to Belfast City?

Millions of users choose and trust Cheapflights to book the best flight deals from Colorado to Belfast City for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Colorado to Belfast City with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Colorado to Belfast City, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Colorado to Belfast City become cheaper?

Not ready to book yet? You can track prices for flights from Colorado to Belfast City on Cheapflights with our Price Alert feature and get notified when better prices are available.

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.