Cheap flights from Belfast to San Jose USA from £548

from as little as £548

7 nights in San Jose USA, departing George Best Belfast City Airport on 01 / Mar / 2026 with British Airways (price found 125 hours ago)

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

The Belfast / San Jose USA route

All 8103 km of it

Cheap flight deals for this route

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San Jose USA flight facts

What you need to know

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San Jose USA

01 / Mar / 2026 is currently the lowest priced day of the year to fly the Belfast/San Jose USA route. There are around 20 flights on any given week from the UK to San Jose USA and the cheapest month to fly right now is March.

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Min / Max Temperature (°C)
LOWEST

5 °C

AVG

15 °C

HIGHEST

28 °C

Rainfall (mm)
LOWEST

0 mm

AVG

30.9 mm

HIGHEST

74 mm

Key facts about San Jose USA

How to get cheap flights from Belfast to San Jose USA

Tips and advice from our flight experts

Book cheap flights from Belfast to San Jose USA with Netflights. We scan all 20 of the weekly flights going via San Jose USA, 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 Jose USA, and the most popular airlines are American Airlines, British Airways & KLM. Both flight prices and accommodation rates fluctuate throughout the year, but searching by month will reveal the cheapest times to fly.

Last-minute deals can be cheaper, but it's risky. It's best to book flights to San Jose USA in advance to avoid disappointment. British Airways usually have the lowest prices, so keep an eye out for their flights. Flights from Belfast to San Jose USA generally take about 22 hrs 10 mins.

Once you’ve chosen your flight, why not check out our deals on accommodation and car hire? You’ll find lots of hotels in the USA, including some close to the airport – perfect if you're arriving late or leaving early.

Other popular destinations near San Jose USA

Where other people are flying to

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