Cheap Flights from Belfast to San Diego

View €1,003 flight on Fri, 19 Sep 2025Opens in a new window

Popular airlines from Belfast to San Diego

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Cheap flights from Belfast to San Diego (BFS-SAN)

Prices were available within the past 7 days and start at €1,003 for one-way flights and €685 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Fri, 19 Sep - Mon, 22 Sep
BHD
Belfast
SAN
San Diego
€685 Return, found 2 days ago
€685
Return
found 2 days ago
Select British Airways flight, departing Fri, 19 Sep from Belfast to San Diego, returning Mon, 22 Sep, priced at €685 found 2 days ago
British Airways
Fri, 19 Sep - Mon, 22 Sep
BHD
Belfast
SAN
San Diego
€697 Return, found 2 days ago
€697
Return
found 2 days ago
Select British Airways flight, departing Fri, 19 Sep from Belfast to San Diego, returning Mon, 22 Sep, priced at €697 found 2 days ago
Delta
Fri, 19 Sep - Mon, 22 Sep
BHD
Belfast
SAN
San Diego
€741 Return, found 2 days ago
€741
Return
found 2 days ago
Select Delta flight, departing Fri, 19 Sep from Belfast to San Diego, returning Mon, 22 Sep, priced at €741 found 2 days ago
American Airlines
Fri, 19 Sep - Mon, 22 Sep
BHD
Belfast
SAN
San Diego
€750 Return, found 2 days ago
€750
Return
found 2 days ago
Select American Airlines flight, departing Fri, 19 Sep from Belfast to San Diego, returning Mon, 22 Sep, priced at €750 found 2 days ago
KLM
Fri, 19 Sep - Mon, 22 Sep
BHD
Belfast
SAN
San Diego
€764 Return, found 2 days ago
€764
Return
found 2 days ago
Select KLM flight, departing Fri, 19 Sep from Belfast to San Diego, returning Mon, 22 Sep, priced at €764 found 2 days ago
Finnair
Fri, 19 Sep - Mon, 22 Sep
BHD
Belfast
SAN
San Diego
€773 Return, found 2 days ago
€773
Return
found 2 days ago
Select Finnair flight, departing Fri, 19 Sep from Belfast to San Diego, returning Mon, 22 Sep, priced at €773 found 2 days ago

Find the cheapest month to fly from Belfast (BFS) to San Diego (SAN)

February is typically the cheapest month to fly

From €452 - €1,093 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.