Earn point on your loyalty program!arrow arc left

Cheap flights from Denver (DEN) to Belfast (BFS)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Denver (DEN) to Belfast (BFS)

How to find the cheapest flight from Denver (DEN) to Belfast (BFS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Denver (DEN) to Belfast (BFS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Denver (DEN) to Belfast (BFS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Denver to Belfast in August , September 2026

31 Aug - 04 Sep $ 945.00
DEN
Denver
Frontier Airlines
2 STOPS
BFS
Belfast
BFS
Belfast
Frontier Airlines
2 STOPS
DEN
Denver
Pick dates
31 Aug - 04 Sep $ 966.00
DEN
Denver
Frontier Airlines
2 STOPS
BFS
Belfast
BFS
Belfast
Frontier Airlines
2 STOPS
DEN
Denver
Pick dates
31 Aug - 04 Sep $ 974.00
DEN
Denver
Frontier Airlines
2 STOPS
BFS
Belfast
BFS
Belfast
Frontier Airlines
2 STOPS
DEN
Denver
Pick dates

Last minute flights from Denver to Belfast

25 Aug - 31 Aug $ 1,077.00
DEN
Denver
Icelandair
2 STOPS
BFS
Belfast
BFS
Belfast
Icelandair
2 STOPS
DEN
Denver
Pick dates
24 Aug - 31 Aug $ 1,123.00
DEN
Denver
Icelandair
2 STOPS
BFS
Belfast
BFS
Belfast
Icelandair
2 STOPS
DEN
Denver
Pick dates
23 Aug - 31 Aug $ 1,211.00
DEN
Denver
Icelandair
2 STOPS
BFS
Belfast
BFS
Belfast
Icelandair
2 STOPS
DEN
Denver
Pick dates

One-way flights to Belfast from Denver

8:10 PM - 3:30 PM
easyJet
2 Stops
13h 5m
DEN - BFS
$ 407
Kiwi
Pick dates
8:10 PM - 6:05 PM
easyJet
2 Stops
15h 40m
DEN - BFS
$ 428
Kiwi
Pick dates
8:10 PM - 4:50 PM
Aer Lingus
2 Stops
14h 35m
DEN - BFS
$ 445
Kiwi
Pick dates

How to find the cheapest flight from Denver (DEN) to Belfast (BFS)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Denver (DEN) to Belfast (BFS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Denver (DEN) to Belfast (BFS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.