Cheap Flights from Seattle (SEA) to Killarney (KIR)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Killarney (KIR-Kerry)

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Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Kerry Airport (KIR) cost?
Lock in a cheap one-way flight or cheap return flight from Seattle - Tacoma Intl. Airport (SEA) to Kerry Airport (KIR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Kerry Airport (KIR)?
The cheapest month to fly from SEA to KIR is , when there's less demand. Off-peak season is typically when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Kerry Airport (KIR)?
To find the cheapest airline flying from SEA to KIR, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Kerry Airport (KIR)?
You'll have to hop on a flight with a layover when traveling from Seattle - Tacoma Intl. Airport (SEA) to Kerry Airport (KIR). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from SEA to KIR?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary depending on various factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Kerry Airport (KIR)?
Choose a flight from Seattle - Tacoma Intl. Airport (SEA) to Kerry Airport (KIR) that leaves before 3 PM to reduce the likelihood of delays. Departures after this time are on average 22% more likely to be canceled.**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 Seattle - Tacoma Intl. Airport (SEA) to Kerry Airport (KIR) last-minute?
Waiting until right before your break to book your flight from SEA to KIR generally means paying more. While you might find some last-minute discounts, they aren't always guaranteed. Allow some flexibility in your schedule to maximize your chances of snagging a bargain.
Is it cheaper to book a SEA to KIR flight and hotel package?
Compared with arranging hotels and flights separately, booking a SEA to KIR flight and hotel package with Expedia could result in significant savings. Better still, having everything in one easy place will take the hassle out of travel planning. Simply secure your flights and select from our wide range of stays, then customize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Kerry Airport (KIR)?
It's usually possible to reschedule or cancel your SEA to KIR flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Kerry
Distance
4496 mi

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Seattle to Killarney Flights

The cheapest times to fly from Seattle 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 Seattle to Killarney are during the month of . You can find some of the cheapest flights from Seattle to Killarney with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Killarney

Sunday is one of the best days to book for cheap flights from Seattle 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 Seattle 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 Seattle 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 Seattle 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 Seattle 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.

 

Seattle to Killarney Flights

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*Available to One Key members.