Cheap flights from Belfast to San Diego

from as little as £587

21 nights in San Diego, departing George Best Belfast City Airport on 07 / Feb / 2026 with British Airways (price found 28 hours ago)

Subject to availability, prices correct of the last 24 hours
San Diego

Cheap return flights from Belfast to San Diego

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The Belfast / San Diego route

All 8293 km of it

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San Diego flight facts

What you need to know

Alternative flights from the UK to San Diego

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San Diego

07 / Feb / 2026 is currently the lowest priced day of the year to fly the Belfast/San Diego route. There are around 30 flights on any given week from the UK to San Diego and the cheapest month to fly right now is February.

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Min / Max Temperature (°C)
LOWEST

9 °C

AVG

17 °C

HIGHEST

25 °C

Rainfall (mm)
LOWEST

0 mm

AVG

21.5 mm

HIGHEST

52 mm

Key facts about San Diego

How to get cheap flights from Belfast to San Diego

Tips and advice from our flight experts

Book cheap flights from Belfast to San Diego with Netflights. We scan all 30 of the weekly flights going via San Diego, so that you can compare them in one place. If you can’t find what you’re looking for, simply adjust the filters to widen your search.

George Best Belfast City Airport (BHD) is the most popular airport in this city for flights to San Diego, and the most popular airlines are Virgin Atlantic, British Airways & Aer Lingus. Both flight prices and accommodation rates fluctuate throughout the year, but searching by month will reveal the cheapest times to fly.

On average, the 8293 km flight to San Diego takes 15 hrs 40 mins. If you want a bargain, keep an eye out for flights with British Airways, as they often have good deals. Or you could broaden your search by looking at flights to other airports in the USA to see if there are any cheaper options.

Did you know you can also compare car hire and hotel prices in the USA with Netflights? Take a look to get an idea of prices in San Diego.

Other popular destinations near San Diego

Where other people are flying to

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