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

When flying from Belfast Intl Airport 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 Intl to Colorado that include hotel bookings?

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

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

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

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

Yes. Cheapflights offers flight deals from Belfast Intl 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.

£404+ Cheap Flights from Belfast Intl Airport to Colorado

Cheap flight deals from Belfast Intl to Colorado

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Belfast Intl to Colorado
Explore the most affordable flight options available from Belfast Intl to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Wed 21/1008:15 -

3 stops33h 12m

Wed 28/1016:40 -

3 stops21h 05m

Deal found 6/9£767

Sat 24/1015:35 -

3 stops33h 50m

Sat 31/1016:40 -

2 stops21h 30m

Deal found 9/9£896

Find flight deals from Belfast Intl to Colorado

Round-trip from	£735
One-way from	£404

20/10-27/10
4 total stops
51h 05m total
Belfast to Colorado

Search Deals

31/10-31/12
3 total stops
32h 22m total
Belfast to Colorado

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Belfast Intl Airport to Colorado that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastDenver

BFS Belfast Intl - DEN Denver Intl

BFSDEN

Belfast Intl

Fri 30/10

06:05-09:45

3 stops33h 40m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£413

BelfastColorado Springs

BFS Belfast Intl - COS Colorado Springs

BFSCOS

Belfast Intl

Sat 31/10

18:55-14:16

3 stops49h 21m

Colorado Springs

Wed 31/12

00:00-08:00

Nonstop0h 00m

£417

BelfastColorado Springs

BFS Belfast Intl - COS Colorado Springs

BFSCOS

Belfast Intl

Thu 29/10

06:30-15:49

3 stops39h 19m

Colorado Springs

Wed 31/12

00:00-08:00

Nonstop0h 00m

£428

BelfastDenver

BFS Belfast Intl - DEN Denver Intl

BFSDEN

Belfast Intl

Thu 29/10

17:40-15:30

2 stops27h 50m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£443

BelfastColorado Springs

BFS Belfast Intl - COS Colorado Springs

BFSCOS

Belfast Intl

Sun 1/11

07:00-14:16

3 stops37h 16m

Colorado Springs

Wed 31/12

00:00-08:00

Nonstop0h 00m

£453

BelfastDenver

BFS Belfast Intl - DEN Denver Intl

BFSDEN

Belfast Intl

Sun 1/11

09:25-08:22

3 stops29h 57m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£483

Fastest return journey

BelfastDenver

BFS Belfast Intl - DEN Denver Intl

BFSDEN

Belfast Intl

Wed 28/10

21:00-16:35

2 stops25h 35m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£508

BelfastDenver

BFS Belfast Intl - DEN Denver Intl

BFSDEN

Belfast Intl

Wed 21/10

08:15-10:27

3 stops33h 12m

Denver Intl

Wed 28/10

16:40-19:45

3 stops21h 05m

£767

BelfastDenver

BFS Belfast Intl - DEN Denver Intl

BFSDEN

Belfast Intl

Sat 24/10

15:35-18:25

3 stops33h 50m

Denver Intl

Sat 31/10

16:40-20:10

2 stops21h 30m

£896

Flights are sorted by cheapest return flights first.

Deals found on 7/9

Sorted by cheapest first

Best time to book a flight from Belfast Intl to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado from Belfast Intl with our price prediction graph.

BFS-DEN

BFS-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 Intl Airport to Colorado

BFS-USCO

BFS-DEN

BFS-COS

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

Reviews of airlines servicing Colorado

Read through reviews of airlines operating flights from Belfast Intl Airport to Colorado, such as British Airways. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

British Airways

6.7

Okay

8,210 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

8,210 reviews

British Airways

6.7

Okay

8,210 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

Can I find deals for flights from Belfast Intl to Colorado that include hotel bookings?
Yes. In addition to deals on Belfast Intl to Colorado flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Belfast Intl to Colorado?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast Intl to Colorado.
Can I find deals for business class flights from Belfast Intl to Colorado?
Yes. Cheapflights offers flight deals from Belfast Intl 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.

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to United States

Flights by cabin class

Other flight options

Popular flights

Alternative routes for Belfast Intl to Colorado

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Top airline flying from Belfast Intl to Colorado

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£528	Average£951	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

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

Deals for Belfast Intl to Colorado 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 Belfast Intl to Colorado?

Millions of users choose and trust Cheapflights to book the best flight deals from Belfast Intl to Colorado 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 Belfast Intl to Colorado with no change fees?

Need flexible booking options for your flight to Colorado from Belfast Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes! Start tracking prices for Belfast Intl to Colorado flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from Belfast Intl Airport to Colorado from £404

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Belfast Intl to Colorado

Cheapest flights from Belfast Intl to ColoradoExplore the most affordable flight options available from Belfast Intl to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Explore the most affordable flight options available from Belfast Intl to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Best flights from Belfast Intl to ColoradoDiscover carefully curated flight deals from Belfast Intl to Colorado that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Discover carefully curated flight deals from Belfast Intl to Colorado that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Last-minute flights from Belfast Intl to ColoradoDiscover last-minute flight deals from Belfast Intl to Colorado. Data last updated 10 September 2026 and is based on user searches.

Discover last-minute flight deals from Belfast Intl to Colorado. Data last updated 10 September 2026 and is based on user searches.

One-way flights from Belfast Intl to ColoradoSearch for one-way flight options from Belfast Intl to Colorado. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

Search for one-way flight options from Belfast Intl to Colorado. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

Find flight deals from Belfast Intl to Colorado

Round-trip from

One-way from

Cheapflights Fare Finder

Use the filters below to find and compare flights from Belfast Intl Airport to Colorado that are best for you.

Best time to book a flight from Belfast Intl to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado from Belfast Intl with our price prediction graph.

Cheapflights Insights

Reviews of airlines servicing Colorado

Read through reviews of airlines operating flights from Belfast Intl Airport to Colorado, such as British Airways. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

Can I find deals for business class flights from Belfast Intl 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 Intl 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 Intl to Colorado by cabin class

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

Belfast Intl and Colorado flights

Browse other Belfast Intl and Colorado flight options. Last updated on 10 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top airline flying from Belfast Intl to Colorado

Fly with Cheapflights

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

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

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

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

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Travel Smart

Cheapest flights from Belfast Intl to Colorado
Explore the most affordable flight options available from Belfast Intl to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Best flights from Belfast Intl to Colorado
Discover carefully curated flight deals from Belfast Intl to Colorado that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Last-minute flights from Belfast Intl to Colorado
Discover last-minute flight deals from Belfast Intl to Colorado. Data last updated 10 September 2026 and is based on user searches.

One-way flights from Belfast Intl to Colorado
Search for one-way flight options from Belfast Intl to Colorado. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.