Flights from San Diego to Northern Ireland

Flight deals from San Diego to Northern Ireland

Looking for cheap tickets from San Diego to Northern Ireland, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

Belfast.$605 per passenger.Departing Sun, 15 Mar.One-way flight with Delta.Outbound indirect flight with Delta, departs from San Diego International on Sun, 15 Mar, arriving in Belfast City.Price includes taxes and charges.From $605, select.

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Flying from San Diego to Northern Ireland

Arm yourself with these facts on the fly.

Cheapest flight found	$605
Cheapest month to fly	March
Cheapest airport to fly from	San Diego International

How to find cheap flights from San Diego to Northern Ireland

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from San Diego to Northern Ireland. Other savvy travellers recently found return flights from $1,010 and one-way tickets from $605 one-way. Ready to join them? Here are a few tips to help you do it the smart way.

Fly from San Diego International into Belfast City

At the moment, the lowest priced flight tickets to Northern Ireland are from San Diego International Airport to Belfast City Airport.

Fly in February

We crunched the flight calendar and found the cheapest time to fly from San Diego to Northern Ireland is currently February.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from San Diego to anywhere you choose in Northern Ireland.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from San Diego to Northern Ireland go up or down so you can book when the time is just right.

Relax – these are fee-free flight tickets

With us, there are no added fees – the Northern Ireland to Northern Ireland flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

What's the average San Diego to Northern Ireland flight price?

We looked at all of the upcoming return flights from San Diego to Northern Ireland we could find over the next 12 months. It looks like $1,010 is the best price. This is good, compared to the average Northern Ireland ticket price of $1,010.

What is the cheapest month to fly from San Diego to Northern Ireland?

The cheapest month to fly from San Diego to Northern Ireland is currently February.

Which upcoming date is cheapest to fly from San Diego to Northern Ireland on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Diego to Northern Ireland on Monday, 16 February 2026.

Are there any direct flights from San Diego to Northern Ireland?

Currently, there aren't any direct flights from San Diego to Northern Ireland, but you can still fly with a stopover.

If I'm flying from San Diego, where in Northern Ireland is cheapest to fly into?

If you're flying from San Diego, the cheapest city in Northern Ireland to fly into is Belfast. The cheapest airport serving Belfast at the moment is Belfast City.