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Cardiff Belfast - Cheap flights

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Find the best time to book cheap flights to Belfast

Flexible on travel dates? Discover the cheapest month to fly to Belfast

  • Cheapest round-trip flight

    from US$130

  • Cheapest month to travel

    November, December

  • The cheapest day to fly

  • Lowest prices

Oct
US$165
Nov
US$130
Dec
US$130
Jan
US$140
Feb
US$140
Mar
US$140
Apr
US$140
May
US$140
Jun
US$140
Jul
US$140
Aug
US$140
Sept
US$140

When is the best time to buy flight tickets?

Find out how far in advance it's worth booking round-trip flights.

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    General information

    • Local time (UTC+0)

    • Flight time from Cardiff

    • Exchange Rate

      1 GBP = 1.34 USD
    Belfast
    Belfast, the capital of Northern Ireland, lies where the River Lagan flows into Belfast Lough. The city is home to around 341 thousand people, while the Greater Belfast conurbation has more than 671 thousand. In the 17th century Belfast became a trading centre thanks to an influx of settlers from England and Scotland. It is known for its shipbuilding and textile industries. A temperate maritime climate means mild winters and cool summers. Belfast is best visited in spring or summer, when temperatures are pleasant.