Cheap Flights from San Francisco International Airport to County Donegal from HK$4,839 Return

Flight deals from San Francisco International Airport to County Donegal

Looking for cheap tickets from San Francisco International Airport to County Donegal, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

Donegal.HK$4,839 per passenger.Departing Sun, 25 Jan, returning Sun, 1 Feb.Return flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from San Francisco International on Sun, 25 Jan, arriving in Donegal.Inbound indirect flight with Aer Lingus, departs from Donegal on Sun, 1 Feb, arriving in San Francisco International.Price includes taxes and charges.From HK$4,839, select.

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Flying from San Francisco International Airport to County Donegal

Arm yourself with these facts on the fly.

Cheapest flight found	HK$4,839
Cheapest month to fly	January

How to find cheap flights from San Francisco International Airport to County Donegal

Ready to join the other savvy travellers booking the cheapest one-way and return flights to County Donegal? Here are a few tips to help you do it the smart way.

Fly in January

The cheapest time to fly from San Francisco International Airport to County Donegal is currently January.

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 Francisco International Airport to anywhere you choose in County Donegal.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from San Francisco International Airport to your chosen airport in County Donegal 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 County Donegal Airport to County Donegal flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

Are there any direct flights from San Francisco International Airport to County Donegal?

There are currently no direct flights from San Francisco International Airport to County Donegal, but we've found some other routes to Ireland – check them out now.

What is the average price of a flight from San Francisco International Airport to County Donegal?

We looked at all of the upcoming return flights from San Francisco International Airport to County Donegal we could find over the next 12 months. It looks like HK$4,839 is the best price. This is good, compared to the average County Donegal ticket price of HK$4,839.

What is the cheapest month to fly from San Francisco International Airport to County Donegal?

The cheapest month to fly from San Francisco International Airport to County Donegal is currently January.

Which upcoming date is cheapest to fly from San Francisco International Airport to County Donegal on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Francisco International Airport to County Donegal on Sunday, 25 January 2026.

If I'm flying from San Francisco International Airport, where in County Donegal is cheapest to fly into?

If you're flying from San Francisco International, the cheapest city in County Donegal to fly into is Donegal. The cheapest airport serving Donegal at the moment is Donegal.