What is the cheapest airline that flies from Belfast to Colorado?

Aer Lingus and British Airways are the most popular carriers operating from Belfast to Colorado

When did momondo last update prices for flights from Belfast to Colorado?

Prices for flights from Belfast to Colorado were last updated today.

How many operators does momondo search for flights from Belfast to Colorado?

There is 1 operator available for flights from Belfast to Colorado as of August 2025.

How old do you have to be to fly from Belfast to Colorado?

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 Belfast to Colorado.

What documentation or ID do you need to fly to Colorado?

The necessary travel and health documents for your Colorado trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£306 Cheap Flights from Belfast to Colorado in 2025

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Find the cheapest flights from Belfast to Colorado

Round-trip

One-way

Cheap return flights

12:10 - 15:30BHD-DEN

34h 20m1 stop

17:25 - 14:00DEN-BHD

13h 35m1 stop

£564American Airlines

Find Deal

Sun, 2 Nov - Thu, 6 Nov

11:30 - 23:09BHD-DEN

18h 39m2 stops

16:36 - 18:00DEN-BHD

18h 24m2 stops

£569American Airlines

Find Deal

Mon, 3 Nov - Thu, 6 Nov

20:25 - 22:22BHD-DEN

32h 57m2 stops

12:21 - 16:40DEN-BHD

21h 19m2 stops

£571British Airways

Find Deal

Sun, 2 Nov - Thu, 6 Nov

12:10 - 15:30BHD-DEN

34h 20m1 stop

17:25 - 14:15DEN-BHD

13h 50m1 stop

£582American Airlines

Find Deal

Sun, 2 Nov - Wed, 5 Nov

06:35 - 15:30BHD-DEN

15h 55m1 stop

17:25 - 14:15DEN-BHD

13h 50m1 stop

£584British Airways

Find Deal

Tue, 4 Nov - Fri, 7 Nov

06:35 - 15:30BHD-DEN

15h 55m1 stop

10:21 - 10:30DEN-BHD

17h 09m2 stops

£586British Airways

Find Deal

Tue, 4 Nov - Fri, 7 Nov

06:35 - 17:45BHD-DEN

18h 10m2 stops

10:21 - 10:30DEN-BHD

17h 09m2 stops

£590British Airways

Find Deal

Tue, 4 Nov - Fri, 7 Nov

06:30 - 15:42BHD-DEN

16h 12m2 stops

13:44 - 16:50DEN-BHD

20h 06m2 stops

£613KLM

Find Deal

Mon, 3 Nov - Sat, 8 Nov

06:30 - 18:22BHD-DEN

18h 52m2 stops

13:44 - 16:50DEN-BHD

20h 06m2 stops

£624KLM

Find Deal

Mon, 3 Nov - Fri, 7 Nov

06:35 - 15:30BHD-DEN

15h 55m1 stop

17:25 - 14:15DEN-BHD

13h 50m1 stop

£2,907

Find Deal

Thu, 6 Nov - Sat, 8 Nov

American Airlines flights from Belfast to Colorado

Our best American Airlines deals on Belfast to Colorado flight tickets

American Airlines

2 Nov

BHD12:10Belfast City

34h 20m

1 stop

DEN15:30Denver Intl

6 Nov

DEN17:25Denver Intl

13h 35m

1 stop

BHD14:00Belfast City

£564

Find similar

American Airlines

3 Nov

BHD11:30Belfast City

18h 39m

2 stops

DEN23:09Denver Intl

6 Nov

DEN16:36Denver Intl

18h 24m

2 stops

BHD18:00Belfast City

£569

Find similar

American Airlines

2 Nov

BHD12:10Belfast City

34h 20m

1 stop

DEN15:30Denver Intl

5 Nov

DEN17:25Denver Intl

13h 50m

1 stop

BHD14:15Belfast City

£582

Find similar

British Airways flights from Belfast to Colorado

Our best British Airways deals on Belfast to Colorado flight tickets

British Airways

2 Nov

BHD20:25Belfast City

32h 57m

2 stops

DEN22:22Denver Intl

6 Nov

DEN12:21Denver Intl

21h 19m

2 stops

BHD16:40Belfast City

£571

Find similar

British Airways

4 Nov

BHD06:35Belfast City

15h 55m

1 stop

DEN15:30Denver Intl

7 Nov

DEN17:25Denver Intl

13h 50m

1 stop

BHD14:15Belfast City

£584

Find similar

British Airways

4 Nov

BHD06:35Belfast City

15h 55m

1 stop

DEN15:30Denver Intl

7 Nov

DEN10:21Denver Intl

17h 09m

2 stops

BHD10:30Belfast City

£586

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Sun 2/11

12:10-15:30

1 stop34h 20m

Denver Intl

Thu 6/11

17:25-14:00

1 stop13h 35m

£564

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Mon 3/11

11:30-23:09

2 stops18h 39m

Denver Intl

Thu 6/11

16:36-18:00

2 stops18h 24m

£569

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Sun 2/11

20:25-22:22

2 stops32h 57m

Denver Intl

Thu 6/11

12:21-16:40

2 stops21h 19m

£571

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Sun 2/11

12:10-15:30

1 stop34h 20m

Denver Intl

Wed 5/11

17:25-14:15

1 stop13h 50m

£582

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Tue 4/11

06:35-15:30

1 stop15h 55m

Denver Intl

Fri 7/11

17:25-14:15

1 stop13h 50m

£584

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Tue 4/11

06:35-15:30

1 stop15h 55m

Denver Intl

Fri 7/11

10:21-10:30

2 stops17h 09m

£586

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Tue 4/11

06:35-17:45

2 stops18h 10m

Denver Intl

Fri 7/11

10:21-10:30

2 stops17h 09m

£590

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Mon 3/11

06:30-15:42

2 stops16h 12m

Denver Intl

Sat 8/11

13:44-16:50

2 stops20h 06m

£613

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Mon 3/11

06:30-18:22

2 stops18h 52m

Denver Intl

Fri 7/11

13:44-16:50

2 stops20h 06m

£624

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Thu 6/11

06:35-15:30

1 stop15h 55m

Denver Intl

Sat 8/11

17:25-14:15

1 stop13h 50m

£2,907

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

How to get the cheapest flight ticket from Belfast to Colorado

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

Prices

Airlines

What is the cheapest day to depart on your flight to Colorado?

Our data shows that Wednesday is the least expensive day to fly to Colorado. Tickets to fly out on this day can be as low as £630. Flights from Belfast to Colorado on a Monday will generally be more expensive and average around £675. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Cheap Belfast to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast to Colorado

Best price found	£306
Fastest flight time	13h 15m
Direct flights	None
Airports in Colorado	2 airports

The best one-way flight to Colorado from Belfast in the past 72 hours is £306. The best return flight deal from Belfast to Colorado found on momondo in the last 72 hours is £564.

The fastest flight from Belfast to Colorado takes 13h 15m

There are no direct flights from Belfast to Colorado. Popular non-direct routes for this connection are Belfast City Airport - Colorado Springs Airport, Belfast City Airport - Denver Intl Airport and Belfast Intl Airport - Denver Intl Airport.

There are 2 airports near Colorado: Colorado Springs (COS), Denver Intl (DEN)

Search flight deals

When did momondo last update prices for flights from Belfast to Colorado?
Prices for flights from Belfast to Colorado were last updated today.
How many operators does momondo search for flights from Belfast to Colorado?
There is 1 operator available for flights from Belfast to Colorado as of August 2025.
How old do you have to be to fly from Belfast to Colorado?
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 Belfast to Colorado.
What documentation or ID do you need to fly to Colorado?
The necessary travel and health documents for your Colorado trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Belfast to Colorado

Compare and see reviews for airlines that fly from Belfast to Colorado with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £495	Free Cancellation	Rating 6.6 7,235 reviews		Search British Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Belfast to Colorado?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Belfast to Colorado . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Belfast to Colorado with flexible booking policies on momondo?

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

How can momondo help me find flights from Belfast to Colorado?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Belfast to Colorado.

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

Of course. momondo tracks the price of Belfast to Colorado flights. All you need is a valid email address and we will do the rest; it is that quick and easy.