Find flights
When to book
Airlines
FAQs

Cheap flights from Belfast to Colorado from £735

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — DEN
5 Jul — 12 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast to Colorado

Enter your travel dates to find the best prices.

Cheapest flights from Belfast to Colorado
Explore the most affordable flight options available from Belfast to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 June 2026.

Wed 7/1006:30
BHD
-
DEN
1 stop16h 55m
British Airways
Sun 11/1016:21
DEN
-
BHD
2 stops19h 24m
British Airways
Deal found 4/6£735
Fri 4/906:30
BHD
-
DEN
1 stop17h 00m
British Airways
Tue 8/916:21
DEN
-
BHD
2 stops19h 34m
British Airways
Deal found 1/6£801
Thu 2/706:40
BFS
-
DEN
2 stops20h 42m
Multiple Airlines
Tue 7/720:10
DEN
-
BFS
2 stops20h 10m
Multiple Airlines
Deal found 1/6£819
Thu 2/709:50
BHD
-
DEN
2 stops29h 45m
Multiple Airlines
Tue 7/710:25
DEN
-
BHD
2 stops15h 55m
Multiple Airlines
Deal found 1/6£902
Thu 2/719:30
BHD
-
DEN
2 stops33h 55m
British Airways
Tue 7/718:35
DEN
-
BHD
1 stop16h 00m
British Airways
Deal found 1/6£1,016
Thu 2/718:20
BHD
-
DEN
2 stops30h 55m
Aer Lingus
Tue 7/707:16
DEN
-
BHD
3 stops22h 54m
Aer Lingus
Deal found 1/6£1,045

Find flight deals from Belfast to Colorado

Keep the following information in mind while searching for Belfast to Colorado flight deals. Data was last updated 5 June 2026.

Round-trip from

£735
British Airways
  • British Airways
  • 7/10-11/10
  • 3 total stops
  • 32h 48m total
  • Belfast to Colorado
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast to Colorado 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 5 June 2026.
Use the filters below to find and compare flights from Belfast to Colorado that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Wed 7/10

06:30-16:25

1 stop16h 55m

Denver Intl

Sun 11/10

18:35-17:40

1 stop16h 05m

£735

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Fri 4/9

06:30-16:30

1 stop17h 00m

Denver Intl

Tue 8/9

16:21-18:55

2 stops19h 34m

£801

BelfastDenver

BFS - DEN

BFSDEN

Belfast Intl

Thu 2/7

06:40-20:22

2 stops20h 42m

Denver Intl

Tue 7/7

20:10-23:20

2 stops20h 10m

£819

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Thu 2/7

09:50-08:35

2 stops29h 45m

Denver Intl

Tue 7/7

10:25-09:20

2 stops15h 55m

£902

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Thu 2/7

19:30-22:25

2 stops33h 55m

Denver Intl

Tue 7/7

18:35-17:35

1 stop16h 00m

£1,016
Cheapest one-way

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Sun 15/11

18:20-18:05

3 stops54h 45m

£1,241

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Sat 7/11

18:20-18:05

3 stops54h 45m

£1,700
Fastest single journey

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Sat 7/11

09:15-15:30

1 stop13h 15m

£2,070

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Sun 15/11

09:10-15:30

1 stop13h 20m

£2,070

Flights are sorted by cheapest return flights first.

Deals found on 1/6

Sorted by cheapest first

Best time to book a flight from Belfast to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado from Belfast 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 Belfast to Colorado
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Colorado. Reviews last updated 5 June 2026.
Get a feel of what it's like to fly with British Airways from Belfast to Colorado by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
8,027 reviews
Check prices

Comfort

6.8

Crew

7.7

Food

6.4

Boarding

6.9

Entertainment

6.4

Overall

6.7

Reviews

1 / 20
6.0
Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.
British Airways
6.7
Okay
8,027 reviews
British Airways
6.7
Okay
8,027 reviews
Check prices

Comfort

6.8

Crew

7.7

Food

6.4

Boarding

6.9

Entertainment

6.4

Overall

6.7

Reviews

1 / 20
6.0
Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

Related info for your journey

Find useful and relevant information for your journey from Belfast to Colorado. 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 Belfast to Colorado?

    A quick flight from Belfast to Colorado can take about 16h 55m. British Airways provides one of the quickest options available for as low as £735. The distance from Belfast to Colorado is about 4347 mi.

  • What are the most popular routes from Belfast to Colorado?

    The most popular route from Belfast to Colorado is Belfast Intl - Denver Intl. You may also consider Belfast City - Denver Intl or Belfast City - Colorado Springs.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Belfast to Colorado 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.

Top airline flying from Belfast to Colorado

Discover the top airline that operate flights from Belfast to Colorado. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 5 June 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£532Average£1,023FlexibilityNo cancel feeOn-time70%
Search British Airways 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 Belfast to Colorado?

Cheapflights helps you search for flights from Belfast to Colorado 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 Belfast to Colorado?

Cheapflights helps you find that perfect flight to Colorado from Belfast by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes! Cheapflights helps users easily find flights from Belfast to Colorado with no change fees.

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

Of course! You can now track prices for flights from Belfast to Colorado 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.

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.