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Cheap flights from San Jose to Belfast

Compare San Jose to Belfast flight deals

Find the cheapest month or even day of the year to fly to Belfast

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Flight deals from San Jose to Belfast

Looking for a cheap last-minute deal or the best return flight from San Jose to Belfast? If you want to travel next month, return fares start from $1,485. Find the lowest prices on one-way and return tickets right here.

Alternative San Jose to Belfast routes

Looking for the cheapest, fastest or easiest route from San Jose to Belfast? You could fly into the following airports instead.

Belfast City

4km from central Belfast
Closest
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Belfast International

20km from central Belfast
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Finding cheap flights from San Jose to Belfast: Frequently asked questions

There are 2 airports in Belfast: Belfast City and Belfast International.
The best price we found for a return flight from San Jose to Belfast is $1,450. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from San Jose to Belfast. But we found flights with one or more stops from $1,450.
As of March 2026, there are no flights flying from San Jose to Belfast.
The cheapest month to fly from San Jose to Belfast is usually May.
If you're flying from San Jose, the cheapest airport near Belfast is Belfast City – which is 3.7 km away from the centre of Belfast. We've found flights into this airport from $1,450.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Jose to Belfast on Friday, 1 May 2026.
No airlines currently offer direct flights between San Jose and Belfast. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Belfast but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Belfast is around 40 days in advance, so don’t leave your flight to the last minute.
In March, the average temperature is usually around 6°C. August is typically the warmest month in Belfast, when it usually averages around 17°C. You can expect the least rain in May. The coldest month is January, with temperatures averaging 4°C. The rainiest month is October.
The cheapest airline that flies to Belfast is Delta .

How to find cheap flights from San Jose to Belfast

Looking for cheap air tickets from San Jose to Belfast? Here are a few tips on how to score the best price and make your journey as smooth as possible.

  • Simply hit 'search'. From Singapore Airlines to Emirates, we've compared plane tickets from all major online travel agents and airlines flying San Jose-Belfast to find the cheapest flights. And with us, there are no hidden fees – what you see is what you pay.
  • Flex your dates to secure the best air ticket price for your San Jose-Belfast flight. If your travel dates are flexible, use Skyscanner's "Whole month" tool to find the cheapest time to fly toBelfast from San Jose.
  • Stay One Step Ahead with Price Alerts. Never miss a deal! Set up a Price Alert for San Jose to Belfast by creating an alert. Whenever prices go down or up, you'll get a push notification or email to help you get the best flight deal.
  • Look for direct flights. Only interested in direct flights between San Jose and Belfast? Make sure to tick "Direct flights only" when performing a search. If there are direct flights available, these will appear in the results.
  • Include nearby airports in your search. Widen your search for San Jose to Belfast flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save on your next trip.
  • Find the cheapest Business Class flights from San Jose to Belfast. We scour the Internet for the best Business, Premium Economy, and First Class flight fares for San Jose-Belfast, too. Check the difference in price as you search – you might just stumble on a last-minute low fare.
  • Search for cheap flights when out and about. To get the best flight booking experience on the go, download our app and search for flight tickets from San Jose to Belfast wherever you are.

Book air tickets from San Jose to Belfast with peace of mind

  • Find flexible flights for San Jose to Belfast Your airline might be offering flexible plane tickets to Belfast, which means you won't lose out if your flight has to be changed or cancelled.
  • Add travel cost protection. Avoid travel pitfalls and choose travel cost protection - it's available at the checkout as you book your San Jose-Belfast flight with us.
  • Reduce your carbon footprint by selecting a greener San Jose-Belfast flight option. To check whether there are any lower emissions flights available on your route, simply check the “only show flights with lower CO₂ emissions” box which will be available once you have moved on from this page.

Combine your flight to Belfast with hotels and car rental

Once you've secured your cheap flight ticket for San Jose-Belfast, discover the best prices and exclusive rates for hotels in Belfast or nearby. You can also compare hundreds of car rental companies at once so you get the best car rental price for your trip..

Not Sure About Belfast? Explore “Everywhere”

If you're still exploring destinations, use Skyscanner’s “Everywhere” search feature to see the cheapest places to fly from your location. You might just find an irresistible deal to Belfast or another dream destination.


Plan the rest of your trip from San Jose to Belfast

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.