Skyscanner

Cheap Flights from Denver to Belfast

Travellers and cabin class

Compare Denver International to Belfast flight deals

Find the cheapest month or even day of the year to fly to Belfast

Book the best Belfast fare with no extra fees

Flight deals from Denver International to Belfast

Looking for a cheap last-minute deal or the best return flight from Denver International to Belfast? Find the lowest prices on one-way and return tickets right here.
Belfast.$1,181 per passenger.Departing Fri, 25 Apr, returning Fri, 2 May.Return flight with Delta.Outbound indirect flight with Delta, departs from Denver International on Fri, 25 Apr, arriving in Belfast City.Inbound indirect flight with Delta, departs from Belfast City on Fri, 2 May, arriving in Denver International.Price includes taxes and charges.From $1,181, select.
Belfast.$1,221 per passenger.Departing Tue, 24 Jun, returning Sat, 19 Jul.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Denver International on Tue, 24 Jun, arriving in Belfast City.Inbound indirect flight with British Airways, departs from Belfast City on Sat, 19 Jul, arriving in Denver International.Price includes taxes and charges.From $1,221, select.
Belfast.$1,418 per passenger.Departing Mon, 26 May, returning Mon, 2 Jun.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Denver International on Mon, 26 May, arriving in Belfast City.Inbound indirect flight with British Airways, departs from Belfast City on Mon, 2 Jun, arriving in Denver International.Price includes taxes and charges.From $1,418, select.
Belfast.$1,635 per passenger.Departing Thu, 12 Mar, returning Thu, 26 Mar.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Denver International on Thu, 12 Mar, arriving in Belfast City.Inbound indirect flight with British Airways, departs from Belfast City on Thu, 26 Mar, arriving in Denver International.Price includes taxes and charges.From $1,635, select.
Belfast.$2,126 per passenger.Departing Tue, 29 Jul, returning Sat, 2 Aug.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Denver International on Tue, 29 Jul, arriving in Belfast City.Inbound indirect flight with British Airways, departs from Belfast City on Sat, 2 Aug, arriving in Denver International.Price includes taxes and charges.From $2,126, select.

Find the cheapest month to fly from Denver International to Belfast

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Denver International to Belfast flights are currently cheapest in March.
Apr
Find prices
May
Find prices
Jun
Find prices
Jul
Find prices
Aug
Find prices
Sep
Find prices
Oct
Find prices
Nov
Find prices
Dec
Find prices
Jan
Find prices
Feb
Find prices
Mar
from $1,635

Alternative Denver International to Belfast routes

Looking for the cheapest, fastest or easiest route from Denver International to Belfast? You could fly into the following airports instead.

Denver to Belfast: Flight information

The things to know before you go.
Cheapest flight found$1,181
Cheapest month to flyApril

Finding cheap flights from Denver International to Belfast: Frequently asked questions

There are 2 airports in Belfast: Belfast City and Belfast International.
The best price we found for a return flight from Denver International to Belfast is $1,181. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Denver International to Belfast. But we found flights with one or more stops from $1,181.
As of April 2025, there are no flights flying from Denver International to Belfast.
The cheapest month to fly from Denver International to Belfast is usually April.
If you're flying from Denver International Airport, the cheapest airport near Belfast is Belfast City – which is 3.7 km away from the centre of Belfast. We've found flights into this airport from $1,181.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Denver International Airport to Belfast on Friday, 25 April 2025.
No airlines currently offer direct flights between Denver International Airport and Belfast. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Belfast but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Belfast is around 40 days in advance, so don’t leave your flight to the last minute.
In April, the average temperature is usually around 8°C. August is typically the warmest month in Belfast, when it usually averages around 17°C. You can expect the least rain in May. The coldest month is January, with temperatures averaging 4°C. The rainiest month is October.
Currently, Delta offers the cheapest flight tickets to Belfast.

How to find cheap flights to Belfast from Denver International

Looking for cheap tickets from Denver International to Belfast? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

  • Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from Denver International to Belfast. And with us there are no hidden fees - what you see is what you pay.
  • Compare flight deals to Belfast from Denver International from over 1,000 providers. Then choose the cheapest or fastest plane tickets.
  • Flex your dates to find the best Denver International-Belfast ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to Belfast from Denver International.
  • Set up a Price Alert. You can easily track the fare of your cheap Denver International-Belfast flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
  • Fly without stops. Only interested in direct flights between Denver International and Belfast? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results.
  • Find the cheapest Business class flights from Denver International and Belfast. We scour the internet for the best Business, Premium Economy and First Class flight fares to Belfast, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
  • Include nearby airports in your search. Widen your search for Denver International to Belfast flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.

    • Combine your flight to Belfast from Denver International with hotels and car hire

    Once you've secured your cheap flight ticket from Denver International to Belfast, discover the best prices and exclusive rates for hotels in Belfast or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.


More travel options

Belfast car hireCheap car hire in United Kingdom
Book hotels deals in Belfast
Flights from Munich to BridgetownCheap flights from Munich to MackayPlane tickets from Munich to Vancouver InternationalReturn flights from Multan to DammamCheap return flights from Munich to La PalmaTickets from Munich to JerezCheap tickets from New Orleans Louis Armstrong to Toronto Pearson InternationalReturn plane tickets from Munich to Kansai International (Osaka)Cheap tickets from Maun to Arusha
Flights from Multan to KuwaitReturn plane tickets from Monterrey to HoustonPlane tickets from Monterrey to Denver InternationalCheap return tickets from Munich to CordobaFlights from Munich to LahorePlane tickets from Munich to ChengduCheap return tickets from Multan to DublinTickets from Munich to Astana Nursultan NazarbayevCheap tickets from Munich to Atlanta
Return plane tickets from Multan to NajafPlane tickets from Munich to BrestCheap flights from Munich to MaastrichtCheap return tickets from Maun to EntebbeCheap return tickets from Munich to Chicago O'Hare InternationalCheap flights from Monterrey Gen Mariano Escobedo to MadridCheap return flights from Monteria to San Andres IslandPlane tickets from Munich to San DiegoFlights from Munich to Beijing Capital
Plane tickets from Munich to Johannesburg O.R. TamboPlane tickets from Munich to Dallas Fort Worth InternationalCheap return flights from Monterrey to Mazatlan
Cheap flights to BelfastLast minute flightsCheap flights from Denver International to United KingdomReturn flights from United States to United KingdomReturn tickets to United KingdomReturn plane tickets from Denver InternationalFlights from ColoradoCheap tickets to Northern IrelandPlane tickets from United States

Plan the rest of your trip from Denver to Belfast

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.