$316+ Cheap flights from Colorado to Belfast Intl (BFS)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BFS
Jan 1 — Jan 81
1 adult, Economy
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Colorado to Belfast Intl
Cheapest flights from Colorado to Belfast IntlExplore the most affordable flight options available from Colorado to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 2, 2025.
Explore the most affordable flight options available from Colorado to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 2, 2025.
This Mytrip deal was found by Cheapflights users on 11/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/293:40 pmDEN - BFS
2 stops22h 50mMultiple Airlines
Mon 1/57:20 pmBFS - DEN
3 stops31h 35mMultiple Airlines
Deal found 11/30![Multiple Airlines logo]()
$1,526
Find flight deals from Colorado to Belfast Intl
Keep the following information in mind while searching for Colorado to Belfast Intl flight deals. Data was last updated December 2, 2025.
Round-trip from | $1,048 (Mytrip) |
|---|---|
One-way from | $316 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $1,558 |
Cheapflights Fare Finder
Customize your flight search to find flights from Colorado to Belfast Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 2, 2025.
Use the filters below to find and compare flights from Colorado to Belfast Intl Airport that are best for you.
Fly from
Colorado
Fly to
Belfast Intl
Route
Depart
Return
Price
DenverBelfast
DEN - BFS
DENBFS
Denver Intl
Wed 1/14
3:40 pm-4:10 pm
2 stops17h 30m
Belfast Intl
Wed 1/21
8:20 am-10:23 am
3 stops33h 03m
$1,048
DenverBelfast
DEN - BFS
DENBFS
Denver Intl
Sun 5/31
12:15 pm-6:25 pm
2 stops23h 10m
Belfast Intl
Wed 6/10
9:50 pm-6:50 pm
3 stops28h 00m
$1,091
DenverBelfast
DEN - BFS
DENBFS
Denver Intl
Mon 12/29
3:40 pm-9:30 pm
2 stops22h 50m
Belfast Intl
Mon 1/5
7:20 pm-7:55 pm
3 stops31h 35m
$1,526
DenverBelfast
DEN - BFS
DENBFS
Denver Intl
Tue 12/30
4:20 pm-6:30 pm
2 stops19h 10m
$444
Best time to book a flight from Colorado to Belfast Intl
Have a flexible travel schedule? Discover the best time to fly to Belfast Intl from Colorado with our price prediction graph.
Estimated round-trip 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 Colorado to Belfast Intl Airport
What is the cheapest time of day to fly from CO to BFS?
Find hourly flight availability from Colorado to Belfast Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 2, 2025.
It’s typically best to fly out from Colorado to Belfast Intl Airport in the morning. Doing so could potentially save you 48% on the flight price compared to flying in the evening, which is usually more expensive.
Related info for your journey
Find useful and relevant information for your journey from Colorado to Belfast Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Colorado to Belfast Intl
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Colorado to Belfast Intl
Discover the top airline that operate flights from Colorado to Belfast Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 2, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$654 | Average$913 | FlexibilityNo cancel fee | On-time70% |