$331 Find Cheap Flights to Letterkenny

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Letterkenny departing on 8/22. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

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Flight Deals

Cheap Flights to Letterkenny

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights to Letterkenny that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals to Letterkenny

Tue, Aug 26 - Fri, Aug 29
Aer Lingus Logo
9:15 pm - 8:00 pmORD-CFN
16h 45m1 stop
Aer Lingus Logo
7:55 am - 2:00 pmCFN-ORD
12h 05m1 stop
$857Aer Lingus
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Tue, Aug 26 - Fri, Aug 29
 Logo
3:45 pm - 8:00 pmORD-CFN
22h 15m1 stop
 Logo
7:55 am - 6:15 pmCFN-ORD
16h 20m2 stops
Sat, Sep 27 - Sat, Oct 4
Aer Lingus Logo
7:16 am - 12:50 pmDEN-CFN
22h 34m2 stops
Aer Lingus Logo
7:55 am - 5:59 pmCFN-DEN
17h 04m1 stop
$997Aer Lingus
Find Deal
Sat, Sep 27 - Sat, Oct 4
Aer Lingus Logo
7:55 pm - 8:00 pmDEN-CFN
17h 05m1 stop
Aer Lingus Logo
2:30 pm - 5:59 pmCFN-DEN
34h 29m1 stop
$1,001Aer Lingus
Find Deal
Wed, Dec 3 - Sun, Dec 7
British Airways Logo
8:45 pm - 8:00 pmORD-CFN
17h 15m2 stops
British Airways Logo
1:00 pm - 3:25 pmCFN-ORD
32h 25m2 stops
$1,021British Airways
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Wed, Nov 19 - Sun, Nov 23
British Airways Logo
9:45 pm - 8:00 pmORD-CFN
16h 15m2 stops
British Airways Logo
1:00 pm - 1:50 pmCFN-ORD
30h 50m2 stops
$1,022British Airways
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Sat, Sep 27 - Sat, Oct 4
 Logo
10:31 am - 12:50 pmDEN-CFN
19h 19m3 stops
 Logo
7:55 am - 5:59 pmCFN-DEN
17h 04m1 stop
$1,050
Find Deal
Tue, Aug 26 - Fri, Aug 29
 Logo
7:25 pm - 8:00 pmORD-CFN
18h 35m2 stops
 Logo
7:55 am - 6:15 pmCFN-ORD
16h 20m2 stops
$1,203
Find Deal
Tue, Aug 26 - Fri, Aug 29
 Logo
3:35 pm - 8:00 pmORD-CFN
22h 25m3 stops
 Logo
7:55 am - 7:40 pmCFN-ORD
41h 45m3 stops
$1,279
Find Deal
Tue, Aug 26 - Fri, Aug 29
 Logo
3:45 pm - 1:30 pmORD-CFN
15h 45m2 stops
 Logo
7:55 am - 7:40 pmCFN-ORD
41h 45m3 stops
$1,438
Find Deal
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Good to know - Book Cheap Letterkenny Plane Tickets

Cheapest flight$331
Flight from New York to Donegal

FAQs - booking Letterkenny flights

  • How to fly to Letterkenny?

    You cannot fly directly to Letterkenny. KAYAK recommends you fly to Donegal (CFN) (24.94 miles from Letterkenny). From there you can rent a car or get a taxi.

  • What airports are near Letterkenny?

    The closest airport is Donegal (CFN) (24.94 mi). Other nearby airports are Belfast Intl (BFS) (63.68 mi) or Belfast City (BHD) (77.55 mi). KAYAK recommends you fly to Donegal.

  • How far is Donegal Airport from central Donegal?

    The city center of Donegal is 28 miles from Donegal Airport.

  • What is the name of Donegal’s airport?

    All flights to Donegal land at Donegal Airport. The airport code is CFN,and it can also be referred to as Donegal.

  • How does KAYAK find such low prices on flights to Letterkenny?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to Letterkenny.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to Letterkenny?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Letterkenny is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights to Letterkenny?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Letterkenny with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to Letterkenny?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Letterkenny up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top tips for finding cheap flights to Letterkenny

  • There is no major airport in Letterkenny. It is instead served by Donegal Airport.
  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Letterkenny flight deals.

Reviews of the top airline flying to Letterkenny

 
Need help choosing which airline to fly with from the United States to Letterkenny? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.1
Aer LingusOverall score based on 1214 reviews
7.1Comfort
6.9Entertainment
8.0Crew
6.5Food
7.3Boarding
Airline reviews

It was my first transatlantic flight with Aer Lingus. Very enjoyable. Thank you for making international travel enjoyable again.

10.0 ExcellentLeslie, Aug 2025FRA - DUB
Read more Aer Lingus reviews

It was my first transatlantic flight with Aer Lingus. Very enjoyable. Thank you for making international travel enjoyable again.

Excellent as far as the flight is concerned. Faro airport passport check was a huge delay and worrisome re missing the flight. 45 minutes there through passport control

The space between seats has reduced even further making it extremely uncomfortable. Couldn't even open the tray table properly or got compressed the moment the front guy reclined.

The seat pitch was a little tight for me, but I survived. There was a volatile, enraged passenger a couple of rows ahead of me and the cabin crew defused and resolved the situation calmly, quickly, and successfully.

My experience with Aer Lingus was nice, and I would be happy to fly with them again. However, my seat pocket had not been cleaned and had dirty wipes in it. I have flown with Aer Lingus before and do not recall anything like that happening, so presumably this was a one-off kind of thing. For the meal, I asked if there was possibly one without my allergens and the flight attendant gave me the one she thought would be fine. She did not know what allergens were in it, but when I received the meal the allergens were all listed right on the top of the package, so I was confused about why she didn’t know how to check what they were. In future, I will see if it’s possible to request an allergen-free meal ahead of time. But overall, I had a pleasant experience. My experience with Underpricer was very unenjoyable and because of them I do not plan to book through Kayak in the future. I have used Kayak numerous times, but this booking experience was so unpleasant. They called me numerous times and also emailed me to try to get me to select a seat. However, when I had a question later on, I was kept on hold for 20/30 minutes before I finally hung up. I also emailed them but never received a response, which I did not appreciate, especially given their previous frequent calls when they wanted something from me.

We booked a flight from FCO(Rome) with a stop over at DUB(Dublin) going to JFK. Boarding from Rome was kind of chaotic since the airport I guess is very small and we needed to shuttle to the airplane. The gate agent just let everyone and anyone go without using the sections so that took a lot longer than usual boarding. From drinking to JFk boarding was good and organized. Amazingly the flights was very smooth sailing and we’ve flown American big airplane to small companies before. The aircraft’s itself is on the older side, can’t complain tho because the plane ride wa smooth. For a 3 hour plane ride, nothing was complimentary. But for the longer leg of the plane complimentary snacks, meals and drinks were provided which was great. The food wasn’t bad either. I would fly with them again, great price and good service.

Comfortable trip , flight attendants professional as always. Only complaint was the food, We fly Aer Lingus frequently, this was the first time the quality of the meal was poor.

Everything went well. I made my connection which is always a concern.

I appteciate the very courteous staff. The flight was good. Something that wasn't good was that my bag was only checked as far as Dublin and I had a connecting flight to Vienna. (That was a mistake the ORD desk made.) Fortunately the desk at DUB was able to re-tag without me having to re-check in (which initially it seemed I might have to do.)

I had an awful experience at the ticketing agent stand. I had purchased three tickets, one of which I had the maiden name of a passenger on the ticket. They refused to help, assist, and actually delayed our process and had us miss an opportunity to purchase a ticket on the same flight. I was sent through multiple phone calls, none of which helped, and the person at the counter was the person who told me to both call Aer Lingus for help and was the person who said they could not fulfill my request that they were privy to from the beginning. My partner is still stuck in Scotland, racking up thousands of dollars in additional fees and tickets. I am very upset and two of my tickets went unused. I will never be using Aer Lingus ever again and I will continue to complain about them.

Everything you need to know for your flight to Letterkenny

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