Cheap flights from Northern Ireland

View AU$75 flight on Wed, 22 Oct. 2025Opens in a new window

Popular airlines from Northern Ireland

  • British Airways

    British Airways

  • easyJet

    easyJet

  • KLM

    KLM

  • Aer Lingus

    Aer Lingus

  • Ryanair

    Ryanair

  • American Airlines

    American Airlines

  • Delta

    Delta

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheapest flights from Northern Ireland

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

easyJet
Sun, 3 May - Sun, 10 May
BFS
Belfast
BCN
Barcelona
AU$277 Return, found 11 hours ago
AU$277
Return
found 11 hours ago
Select easyJet flight, departing Sun, 3 May from Belfast to Barcelona, returning Sun, 10 May, priced at AU$277 found 11 hours ago
easyJet
Sun, 31 Aug. - Wed, 3 Sep.
BFS
Belfast
BCN
Barcelona
AU$339 Return, just found
AU$339
Return
just found
Select easyJet flight, departing Sun, 31 Aug. from Belfast to Barcelona, returning Wed, 3 Sep., priced at AU$339 just found
easyJet
Wed, 20 Aug. - Sun, 24 Aug.
BFS
Belfast
BCN
Barcelona
AU$380 Return, found 1 day ago
AU$380
Return
found 1 day ago
Select easyJet flight, departing Wed, 20 Aug. from Belfast to Barcelona, returning Sun, 24 Aug., priced at AU$380 found 1 day ago
easyJet
Fri, 29 Aug. - Sun, 31 Aug.
BFS
Belfast
BCN
Barcelona
AU$388 Return, just found
AU$388
Return
just found
Select easyJet flight, departing Fri, 29 Aug. from Belfast to Barcelona, returning Sun, 31 Aug., priced at AU$388 just found
easyJet
Fri, 22 Aug. - Mon, 25 Aug.
BFS
Belfast
BCN
Barcelona
AU$395 Return, found 11 hours ago
AU$395
Return
found 11 hours ago
Select easyJet flight, departing Fri, 22 Aug. from Belfast to Barcelona, returning Mon, 25 Aug., priced at AU$395 found 11 hours ago
easyJet
Sun, 17 Aug. - Wed, 20 Aug.
BFS
Belfast
BCN
Barcelona
AU$450 Return, just found
AU$450
Return
just found
Select easyJet flight, departing Sun, 17 Aug. from Belfast to Barcelona, returning Wed, 20 Aug., priced at AU$450 just found
British Airways
Sun, 3 May - Sun, 10 May
BHD
Belfast
BCN
Barcelona
AU$478 Return, found 11 hours ago
AU$478
Return
found 11 hours ago
Select British Airways flight, departing Sun, 3 May from Belfast to Barcelona, returning Sun, 10 May, priced at AU$478 found 11 hours ago
KLM
Mon, 29 Sep. - Wed, 8 Oct.
BHD
Belfast
FCO
Rome
AU$494 Return, found 3 days ago
AU$494
Return
found 3 days ago
Select KLM flight, departing Mon, 29 Sep. from Belfast to Rome, returning Wed, 8 Oct., priced at AU$494 found 3 days ago
Iberia
Mon, 6 Oct. - Sun, 12 Oct.
BHD
Belfast
BCN
Barcelona
AU$843 Return, found 3 days ago
AU$843
Return
found 3 days ago
Select Iberia flight, departing Mon, 6 Oct. from Belfast to Barcelona, returning Sun, 12 Oct., priced at AU$843 found 3 days ago
Aer Lingus
Sun, 21 Sep. - Wed, 24 Sep.
BHD
Belfast
BCN
Barcelona
AU$918 Return, found 9 hours ago
AU$918
Return
found 9 hours ago
Select Aer Lingus flight, departing Sun, 21 Sep. from Belfast to Barcelona, returning Wed, 24 Sep., priced at AU$918 found 9 hours ago
*Available to Expedia members.