In terms of precipitation, rainfall in Belfast Intl Airport ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Belfast Intl Airport when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Belfast Intl Airport, 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 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

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

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

What airport do you fly from for flights from Denver to Belfast Intl?

Denver Intl (DEN), located 18.5 mi from the city center, is the airport you fly out of when you book flights from Denver to Belfast Intl. 0 airlines have flights from Denver Intl to Belfast Intl on a regular basis. Booking flights from Denver Intl to Belfast Intl should not be difficult; the airport handles an average of 0 outbound flights to Belfast Intl per day.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Denver to Belfast Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£288+ Cheap Flights from Denver to Belfast Intl Airport

Cheap flight deals from Denver to Belfast Intl

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

Sun 15/1115:40 -

2 stops21h 50m

Sun 22/1109:25 -

3 stops30h 25m

Deal found 1/10£679

Fri 20/1115:40 -

3 stops19h 55m

Thu 3/1209:25 -

2 stops15h 35m

Deal found 1/10£1,166

Find flight deals from Denver to Belfast Intl

Round-trip from	£679
One-way from	£288

15/11-22/11
5 total stops
52h 15m total
Denver to Belfast

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16/3-31/12
2 total stops
22h 15m total
Denver to Belfast

Search Deals

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

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Cheapest return flight

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Tue 16/3

16:40-20:55

2 stops22h 15m

Belfast Intl

Wed 31/12

00:00-16:00

Nonstop0h 00m

£288

Fastest return journey

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Mon 15/3

17:15-20:10

2 stops20h 55m

Belfast Intl

Wed 31/12

00:00-16:00

Nonstop0h 00m

£289

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Sun 14/3

16:40-07:55

2 stops33h 15m

Belfast Intl

Wed 31/12

00:00-16:00

Nonstop0h 00m

£295

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Sun 15/11

15:40-20:30

2 stops21h 50m

Belfast Intl

Sun 22/11

09:25-08:50

3 stops30h 25m

£679

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Mon 22/3

20:10-21:15

2 stops19h 05m

Belfast Intl

Sun 28/3

21:05-19:00

2 stops52h 55m

£950

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Fri 20/11

15:40-19:25

2 stops20h 45m

Belfast Intl

Thu 3/12

09:25-18:00

2 stops15h 35m

£1,234

Flights are sorted by cheapest return flights first.

Deals found on 4/10

Sorted by cheapest first

Best time to book a flight from Denver to Belfast Intl

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

DEN-BFS

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.

Related info for your journey

What airport do you fly from for flights from Denver to Belfast Intl?
Denver Intl (DEN), located 18.5 mi from the city center, is the airport you fly out of when you book flights from Denver to Belfast Intl. 0 airlines have flights from Denver Intl to Belfast Intl on a regular basis. Booking flights from Denver Intl to Belfast Intl should not be difficult; the airport handles an average of 0 outbound flights to Belfast Intl per day.
Can I find deals for flights from Denver to Belfast Intl that include hotel bookings?
Yes. In addition to deals on Denver to Belfast Intl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Denver to Belfast Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Belfast Intl.
Can I find deals for business class flights from Denver to Belfast Intl?
Yes. Cheapflights offers flight deals from Denver to Belfast Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

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

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Cheap flights from Denver to Belfast Intl Airport from £288

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Denver to Belfast Intl

Cheapest flights from Denver to Belfast IntlExplore the most affordable flight options available from Denver to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 October 2026.

Explore the most affordable flight options available from Denver to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 October 2026.

Best flights from Denver to Belfast IntlDiscover carefully curated flight deals from Denver to Belfast Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 October 2026.

Discover carefully curated flight deals from Denver to Belfast Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 October 2026.

Last-minute flights from Denver to Belfast IntlDiscover last-minute flight deals from Denver to Belfast Intl. Data last updated 5 October 2026 and is based on user searches.

Discover last-minute flight deals from Denver to Belfast Intl. Data last updated 5 October 2026 and is based on user searches.

One-way flights from Denver to Belfast IntlSearch for one-way flight options from Denver to Belfast Intl. Find affordable one-way fares based on user searches. Data last updated 5 October 2026.

Search for one-way flight options from Denver to Belfast Intl. Find affordable one-way fares based on user searches. Data last updated 5 October 2026.

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

Best time to book a flight from Denver to Belfast Intl

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

Related info for your journey

What airport do you fly from for flights from Denver to Belfast Intl?

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

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

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

Travelling to a place near Belfast Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Denver to Belfast Intl

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

Other flights to Belfast Intl

Explore flights to Belfast Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 5 October 2026.

Complete your trip

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

Direct flights to Northern Ireland

Book a non-stop flight to one of these other cities located in Northern Ireland.

Search flights from Denver to Belfast Intl by cabin class

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

Denver and Belfast Intl flights

Browse other Denver and Belfast Intl flight options. Last updated on 5 October 2026.

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Check out other popular destinations found by fellow travellers in 2026

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

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

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

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

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

Best flights from Denver to Belfast Intl
Discover carefully curated flight deals from Denver to Belfast Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 October 2026.

Last-minute flights from Denver to Belfast Intl
Discover last-minute flight deals from Denver to Belfast Intl. Data last updated 5 October 2026 and is based on user searches.

One-way flights from Denver to Belfast Intl
Search for one-way flight options from Denver to Belfast Intl. Find affordable one-way fares based on user searches. Data last updated 5 October 2026.