Cheap Flights from San Francisco (SFO) to Killarney (KIR)

Popular airlines from San Francisco Intl. Airport (SFO) to Killarney (KIR-Kerry)

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Frequently asked questions

How much does a flight from San Francisco Intl. Airport (SFO) to Kerry Airport (KIR) cost?
Snag a cheap one-way flight or cheap return flight from San Francisco Intl. Airport (SFO) to Kerry Airport (KIR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from San Francisco Intl. Airport (SFO) to Kerry Airport (KIR)?
Flying in may help you find better deals, as it's the cheapest month for flights between SFO and KIR. You'll often find the lowest fares during the off-season.
What is the cheapest airline that flies from San Francisco Intl. Airport (SFO) to Kerry Airport (KIR)?
To find the cheapest airline that'll fly you from SFO to KIR, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from San Francisco Intl. Airport (SFO) to Kerry Airport (KIR)?
You'll need to catch a flight with a layover when traveling from San Francisco Intl. Airport (SFO) to Kerry Airport (KIR). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from SFO to KIR?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Francisco Intl. Airport (SFO) to Kerry Airport (KIR)?
Choose a flight from San Francisco Intl. Airport (SFO) to Kerry Airport (KIR) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from San Francisco Intl. Airport (SFO) to Kerry Airport (KIR) last-minute?
Holding off until right before your break to book a flight from SFO to KIR often results in higher prices. While you may come across some last-minute discounts, they're not always guaranteed. Be flexible with your itinerary to boost your chances of scoring a bargain.
Is it cheaper to book a SFO to KIR flight and hotel package?
You'll generally save money by booking a SFO to KIR flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. After choosing your preferred accommodations and flights, you can add extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to Kerry Airport (KIR)?
In most cases, you're able to cancel or reschedule your SFO to KIR flight. However, additional charges may apply, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you'd like more details, visit our Customer Service portal.

Travel information

Origin airport
San Francisco Intl.
Destination airport
Kerry
Distance
5038 mi

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San Francisco to Killarney Flights

The cheapest times to fly from San Francisco to Killarney

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Francisco to Killarney are during the month of . You can find some of the cheapest flights from San Francisco to Killarney with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Francisco to Killarney

Sunday is one of the best days to book for cheap flights from San Francisco to Killarney: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Francisco to Killarney

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Francisco to Killarney in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Francisco to Killarney flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Francisco to Killarney airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

San Francisco to Killarney Flights

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*Available to One Key members.