Cheap flights from Denver, CO to Belfast, United Kingdom
Flights starting at $364. Choose between easyJet, Frontier Airlines, or British Airways to find the best price.
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Tips to know when travelling to Belfast
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Book your trip to arrive at Belfast International, or George Best Belfast City. The most popular airlines for this route are easyJet, Frontier Airlines, British Airways, Virgin Atlantic Airways, and Aer Lingus. Denver and Belfast have 312 direct flights per week. When you arrive at Belfast, consider visiting Bru Na Boinne Neolithic Site (County Meath, Ireland), Trinity College, Dublin, and Giant's Causeway.
Check-in for a flight from Denver to Belfast
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
easyJet | EZY | U2 | No | Opens 720 days before flight Closes 2 hours before flight |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
British Airways | BAW | BA | No | 0 0 |
Virgin Atlantic Airways | VIR | VS | Yes | 0 0 |
Aer Lingus | EIN | EI | No | Opens 48 days before flight Closes 5 hours before flight |
Weather in Belfast
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 6°C | 2°C |
February | 7°C | 3°C |
March | 8°C | 3°C |
April | 11°C | 4°C |
May | 13°C | 7°C |
June | 16°C | 10°C |
July | 17°C | 11°C |
August | 17°C | 11°C |
September | 15°C | 10°C |
October | 12°C | 8°C |
November | 9°C | 5°C |
December | 7°C | 3°C |
14 day forecast
Frequently asked questions
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