£522 Find cheap flights from Colorado to Belfast

This is the cheapest return flight price found by a KAYAK user in the last 72 hours by searching for a flight to Belfast departing on 12/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags

Search hundreds of travel sites at once for deals on flights to Belfast

In the last 7 days, travellers have searched 46,646,933 times on KAYAK, and here's why:

Save 31% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Good to know - Cheap tickets from Colorado to Belfast

Cheapest flight

£522
Flight from Denver to Belfast City Airport

FAQs for booking flights from Colorado to Belfast

  • How does KAYAK find such low prices on flights from Colorado to Belfast?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Colorado to Belfast.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Colorado to Belfast?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belfast from Colorado is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Colorado to Belfast?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Belfast with an airline and back to Colorado with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Colorado to Belfast?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Belfast from Colorado up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly direct from Colorado to Belfast?

Find which airlines fly direct from Colorado to Belfast, which days they fly and book direct flights.

Direct departures

Colorado to Belfast

Monday

Aer Lingus, Air France, American Airlines, +16 more

Aer Lingus, Air France, +17 more

Tuesday

Aer Lingus, Air France, American Airlines, +15 more

Aer Lingus, Air France, +16 more

Wednesday

Aer Lingus, Air France, American Airlines, +16 more

Aer Lingus, Air France, +17 more

Thursday

Aer Lingus, Air France, American Airlines, +16 more

Aer Lingus, Air France, +17 more

Friday

Aer Lingus, Air France, American Airlines, +16 more

Aer Lingus, Air France, +17 more

Saturday

Aer Lingus, Air France, American Airlines, +15 more

Aer Lingus, Air France, +16 more

Sunday

Aer Lingus, Air France, American Airlines, +16 more

Aer Lingus, Air France, +17 more

See more direct flights

Direct returns

Belfast to Colorado

Monday

Aer Lingus, Air France, American Airlines, +16 more

Aer Lingus, Air France, +17 more

Tuesday

Aer Lingus, Air France, American Airlines, +15 more

Aer Lingus, Air France, +16 more

Wednesday

Aer Lingus, Air France, American Airlines, +16 more

Aer Lingus, Air France, +17 more

Thursday

Aer Lingus, Air France, American Airlines, +16 more

Aer Lingus, Air France, +17 more

Friday

Aer Lingus, Air France, American Airlines, +16 more

Aer Lingus, Air France, +17 more

Saturday

Aer Lingus, Air France, American Airlines, +15 more

Aer Lingus, Air France, +16 more

Sunday

Aer Lingus, Air France, American Airlines, +16 more

Aer Lingus, Air France, +17 more

See more direct flights
See more direct flights

Book cheap flights from Colorado to Belfast

Cheapest flights to Belfast from Colorado found in 2024 and 2025

Recent return flight deals

12/3Wed
1 stopAmerican Airlines
16h 05mDEN-BHD
19/3Wed
1 stopAmerican Airlines
30h 45mBHD-DEN
£522
12/3Wed
2 stopsAmerican Airlines
18h 04mDEN-BHD
19/3Wed
1 stopAmerican Airlines
30h 45mBHD-DEN
£526
20/3Thu
2 stops
21h 44mDEN-BHD
28/3Fri
2 stops
18h 58mBHD-DEN
£533
12/3Wed
2 stopsAmerican Airlines
18h 04mDEN-BHD
19/3Wed
2 stopsAmerican Airlines
19h 25mBHD-DEN
£534
20/3Thu
1 stopBritish Airways
16h 10mDEN-BHD
28/3Fri
1 stopBritish Airways
15h 40mBHD-DEN
£556
20/3Thu
2 stopsBritish Airways
17h 34mDEN-BHD
28/3Fri
1 stopBritish Airways
13h 45mBHD-DEN
£617
15/3Sat
2 stopsBritish Airways
21h 29mDEN-BHD
22/3Sat
2 stopsBritish Airways
17h 53mBHD-DEN
£664
15/3Sat
1 stopBritish Airways
16h 10mDEN-BHD
22/3Sat
2 stopsBritish Airways
17h 53mBHD-DEN
£785
20/3Thu
3 stopsAer Lingus
23h 50mDEN-BHD
28/3Fri
2 stopsAer Lingus
52h 35mBHD-DEN
£812
20/3Thu
2 stops
20h 45mDEN-BFS
28/3Fri
2 stops
17h 55mBFS-DEN
£1,110

Search by stops

Search by airline

Search by price

One-way flight deals

multi-stopMultiple Airlines
313 miLHR-BF1
multi-stopMultiple Airlines
337 miLGW-BF1

Search by stops

Everything you need to know for your flight to Belfast

Cabin class types available on flights to Colorado

Cabin classes available on flights to Belfast. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

Not what you’re looking for? Find thousands of other hotels, flights, car hires and package deals with KAYAK.