Cheap Aer Lingus flights St. Louis (STL) to Killarney (KIR)

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Flights from St. Louis (STL) to Killarney (KIR)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Kerry
Distance
3814 mi

Frequently asked questions

How much is an Aer Lingus flight from Lambert-St. Louis Intl. Airport (STL) to Kerry Airport (KIR)?
Finding cheap one-way Aer Lingus flights from STL to KIR on Expedia is a breeze — just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly round-trip fares for your next exciting getaway.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from STL to KIR with Aer Lingus?
Aer Lingus flights to Killarney are usually more affordable in the low-season months of January and December. Whether you're in search of a one-way or round-trip ticket, you could land a better deal then.
What is the cheapest time to book flights from Lambert-St. Louis Intl. Airport (STL) to Kerry Airport (KIR) with Aer Lingus?
To discover cheap flights from STL to KIR with Aer Lingus, begin your search about one month before your intended departure. You can save 17% when you book your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another good tip? Booking on Sunday offers average savings of 17% compared to Friday (the most expensive day).**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Aer Lingus fly nonstop from Lambert-St. Louis Intl. Airport (STL) to Kerry Airport (KIR)?
To figure out if there's a direct trip from STL to KIR with Aer Lingus or any other airlines, check the "Nonstop" filter when browsing for tickets.
What is the earliest Aer Lingus flight from STL to KIR?
Browse Aer Lingus's earliest flights from STL to KIR by checking our "Morning" and "Early Morning" filters. Not only will you get to your destination sooner, early departures also have a 20% less chance of being canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Aer Lingus fly into in Killarney?
Jump on an Aer Lingus flight from Lambert-St. Louis Intl. Airport (STL) to Killarney, and you'll probably touch down at Kerry Airport (KIR). This is the airline's primary hub in this destination.
What kind of luggage can I take on an Aer Lingus flight from Lambert-St. Louis Intl. Airport (STL) to Kerry Airport (KIR)?
For checked luggage, passengers can take 1 checked-in bag weighing up to 50 lb with dimensions not exceeding 62 inches. You can also bring 1 cabin bag in the cabin when flying standard economy from STL to KIR with Aer Lingus. This carry-on must weigh less than 22 lb and be no larger than 21 inches x 15 inches x 9 inches. Going over these restrictions can mean extra charges, so check Aer Lingus's baggage allowance rules before packing your suitcase.
Why fly with Aer Lingus from STL to KIR?
Offering a 4-star airline rating and a rewarding loyalty program, Aer Lingus is a popular option for many travelers heading from STL to KIR. What's more, if you're an Aer Lingus AerClub and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be put toward future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Aer Lingus flight from Lambert-St. Louis Intl. Airport (STL) to Kerry Airport (KIR)?
In most cases, you can reschedule or cancel your flight, although additional charges may apply if your booking was made over 24 hours ago. Need to keep your options open? Use our "No cancel fee" and "Changes included" filters to find flights that won't penalize you if you have to revise your plans. To modify your itinerary, go to "Trips," select your flight and click on "Manage Booking" for more information.

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*Available to One Key members.