How long is the flight from Belfast to Colorado?

A quick flight from Belfast to Colorado can take about 13h 20m. British Airways provides one of the quickest options available for as low as £738. The distance from Belfast to Colorado is about 4347 mi.

In terms of precipitation, rainfall in Colorado ranges from 13.0 - 58.0 inches per month. May is typically the wettest month, when rainfall can reach 58.0 mm. January is typically the driest time to visit Colorado when rainfall is around 13.0 mm.

If weather is an important factor for your trip to Colorado, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

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.

What is the cheapest time of day to fly from BFS to CO?

When flying from Belfast to Colorado, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

£440+ Cheap Flights from Belfast to Colorado

Cheap flight deals from Belfast to Colorado

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 15 September 2026.

Fri 18/907:00 -

2 stops19h 46m

Wed 23/910:46 -

2 stops19h 49m

Deal found 11/9£753

Fri 18/919:35 -

1 stop27h 55m

Wed 23/910:46 -

2 stops18h 14m

Deal found 11/9£992

Thu 12/1120:00 -

2 stops27h 47m

Mon 16/1110:20 -

2 stops20h 55m

Deal found 11/9£1,086

Fri 18/907:00 -

2 stops18h 15m

Wed 23/920:00 -

2 stops30h 20m

Deal found 12/9£1,106

Wed 25/1108:40 -

1 stop13h 30m

Sat 28/1115:10 -

2 stops16h 05m

Deal found 14/9£1,162

Find flight deals from Belfast to Colorado

Round-trip from	£738
One-way from	£440

British Airways
4/2-8/2
2 total stops
31h 44m total
Belfast to Colorado

Search Deals

29/9-31/12
3 total stops
51h 01m total
Belfast to Colorado

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastDenver

BFS Belfast Intl - DEN Denver Intl

BFSDEN

Belfast Intl

Tue 29/9

21:15-17:16

3 stops51h 01m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£440

BelfastDenver

BHD Belfast City - DEN Denver Intl

BHDDEN

Belfast City

Tue 29/9

14:20-15:37

2 stops56h 17m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£497

BelfastDenver

BHD Belfast City - DEN Denver Intl

BHDDEN

Belfast City

Thu 4/2

08:50-15:10

1 stop13h 20m

Denver Intl

Mon 8/2

14:33-17:25

2 stops19h 52m

£738

Fastest return journey

BelfastDenver

BHD Belfast City - DEN Denver Intl

BHDDEN

Belfast City

Tue 29/9

06:30-16:30

1 stop17h 00m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£855

BelfastColorado Springs

BHD Belfast City - COS Colorado Springs

BHDCOS

Belfast City

Thu 12/11

20:00-16:47

2 stops27h 47m

Colorado Springs

Mon 16/11

10:20-14:15

2 stops20h 55m

£1,086

BelfastColorado Springs

BHD Belfast City - COS Colorado Springs

BHDCOS

Belfast City

Thu 21/1

06:30-21:03

2 stops21h 33m

Colorado Springs

Mon 25/1

08:03-17:25

2 stops26h 22m

£1,092

Flights are sorted by cheapest return flights first.

Deals found on 10/9

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.

BFS-DEN

BHD-DEN

BHD-COS

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

BF1-USCO

BFS-DEN

BHD-DEN

BHD-COS

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Colorado

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

8,221 reviews

Check prices

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

8,221 reviews

British Airways

6.7

Okay

8,221 reviews

Check prices

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

How long is the flight from Belfast to Colorado?
A quick flight from Belfast to Colorado can take about 13h 20m. British Airways provides one of the quickest options available for as low as £738. 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

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Flights by cabin class

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Popular flights

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Alternative routes for Belfast to Colorado

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Top airline flying from Belfast to Colorado

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£530	Average£954	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

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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.

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Cheap flights from Belfast to Colorado from £440

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Belfast to Colorado

Cheapest flights from Belfast to ColoradoExplore 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 15 September 2026.

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 15 September 2026.

Best flights from Belfast to ColoradoDiscover carefully curated flight deals from Belfast to Colorado that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 September 2026.

Discover carefully curated flight deals from Belfast to Colorado that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 September 2026.

Last-minute flights from Belfast to ColoradoDiscover last-minute flight deals from Belfast to Colorado. Data last updated 15 September 2026 and is based on user searches.

Discover last-minute flight deals from Belfast to Colorado. Data last updated 15 September 2026 and is based on user searches.

One-way flights from Belfast to ColoradoSearch for one-way flight options from Belfast to Colorado. Find affordable one-way fares based on user searches. Data last updated 15 September 2026.

Search for one-way flight options from Belfast to Colorado. Find affordable one-way fares based on user searches. Data last updated 15 September 2026.

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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.

Cheapflights Insights

Reviews of airlines servicing Colorado

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.

Related info for your journey

How long is the flight from Belfast to Colorado?

What are the most popular routes from Belfast to Colorado?

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

How can I find direct flights from Belfast to Colorado?

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

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 Belfast to Colorado

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Colorado by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United States

Book a non-stop flight to one of these other cities located in United States.

Search flights from Belfast to Colorado by cabin class

Find flights from Belfast to Colorado, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Belfast and Colorado flights

Browse other Belfast and Colorado flight options. Last updated on 15 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Belfast to Colorado flights

Consider these flights travelling from Belfast to Colorado.

Top airline flying from Belfast to Colorado

Fly with Cheapflights

How does Cheapflights help users find flights from Belfast to Colorado?

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

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

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

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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 15 September 2026.

Best flights from Belfast to Colorado
Discover carefully curated flight deals from Belfast to Colorado that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 September 2026.

Last-minute flights from Belfast to Colorado
Discover last-minute flight deals from Belfast to Colorado. Data last updated 15 September 2026 and is based on user searches.

One-way flights from Belfast to Colorado
Search for one-way flight options from Belfast to Colorado. Find affordable one-way fares based on user searches. Data last updated 15 September 2026.