Bus Letterkenny to Dublin Airport (DUB): Find cheap tickets

Compare all timetables for the shuttles from Letterkenny to Dublin Airport

Here is a selection of the cheapest shuttle trips from the schedule from Letterkenny to Dublin Airport from various bus operators like Expressway for the next days.

today

$11

tomorrow

$11

Tuesday

$11

Wednesday

$11

Thursday

$11

Friday

$11

Saturday

$22

Cheapest bus trips today
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
Expressway	3h 54m	6:32 PM	Letterkenny	Bus Station	10:26 PM	Dublin Airport	Dublin Airport	Economy	$11	A Bus from Expressway goes from Bus Station, Letterkenny (Ireland) at 7/26/2026 6:32:00 PM to Dublin Airport, Dublin Airport (Ireland) arriving at 7/26/2026 10:26:00 PM. 50 Economy ticket for $11 per person are available. Travel duration is 3h 54m
Expressway	3h 56m	12:32 PM	Letterkenny	Bus Station	4:28 PM	Dublin Airport	Dublin Airport	Economy	$22	A Bus from Expressway goes from Bus Station, Letterkenny (Ireland) at 7/26/2026 12:32:00 PM to Dublin Airport, Dublin Airport (Ireland) arriving at 7/26/2026 4:28:00 PM. 50 Economy ticket for $22 per person are available. Travel duration is 3h 56m
Expressway	3h 56m	8:02 AM	Letterkenny	Bus Station	11:58 AM	Dublin Airport	Dublin Airport	Economy	$32	A Bus from Expressway goes from Bus Station, Letterkenny (Ireland) at 7/26/2026 8:02:00 AM to Dublin Airport, Dublin Airport (Ireland) arriving at 7/26/2026 11:58:00 AM. 50 Economy ticket for $32 per person are available. Travel duration is 3h 56m
Expressway	3h 56m	9:02 AM	Letterkenny	Bus Station	12:58 PM	Dublin Airport	Dublin Airport	Economy	$32	A Bus from Expressway goes from Bus Station, Letterkenny (Ireland) at 7/26/2026 9:02:00 AM to Dublin Airport, Dublin Airport (Ireland) arriving at 7/26/2026 12:58:00 PM. 50 Economy ticket for $32 per person are available. Travel duration is 3h 56m
Expressway	3h 56m	10:17 AM	Letterkenny	Bus Station	2:13 PM	Dublin Airport	Dublin Airport	Economy	$32	A Bus from Expressway goes from Bus Station, Letterkenny (Ireland) at 7/26/2026 10:17:00 AM to Dublin Airport, Dublin Airport (Ireland) arriving at 7/26/2026 2:13:00 PM. 50 Economy ticket for $32 per person are available. Travel duration is 3h 56m

Cheapest bus trips tomorrow
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
Expressway	3h 54m	6:32 PM	Letterkenny	Bus Station	10:26 PM	Dublin Airport	Dublin Airport	Economy	$11	A Bus from Expressway goes from Bus Station, Letterkenny (Ireland) at 7/27/2026 6:32:00 PM to Dublin Airport, Dublin Airport (Ireland) arriving at 7/27/2026 10:26:00 PM. 50 Economy ticket for $11 per person are available. Travel duration is 3h 54m
Expressway	3h 56m	6:30 PM	Letterkenny	Bus Station	10:26 PM	Dublin Airport	Dublin Airport	Economy	$12	A Bus from Expressway goes from Bus Station, Letterkenny (Ireland) at 7/27/2026 6:30:00 PM to Dublin Airport, Dublin Airport (Ireland) arriving at 7/27/2026 10:26:00 PM. 50 Economy ticket for $12 per person are available. Travel duration is 3h 56m
Expressway	3h 24m	12:02 AM	Letterkenny	Bus Station	3:26 AM	Dublin Airport	Dublin Airport	Economy	$32	A Bus from Expressway goes from Bus Station, Letterkenny (Ireland) at 7/27/2026 12:02:00 AM to Dublin Airport, Dublin Airport (Ireland) arriving at 7/27/2026 3:26:00 AM. 50 Economy ticket for $32 per person are available. Travel duration is 3h 24m
Expressway	3h 24m	2:02 AM	Letterkenny	Bus Station	5:26 AM	Dublin Airport	Dublin Airport	Economy	$32	A Bus from Expressway goes from Bus Station, Letterkenny (Ireland) at 7/27/2026 2:02:00 AM to Dublin Airport, Dublin Airport (Ireland) arriving at 7/27/2026 5:26:00 AM. 50 Economy ticket for $32 per person are available. Travel duration is 3h 24m
Expressway	3h 24m	4:32 AM	Letterkenny	Bus Station	7:56 AM	Dublin Airport	Dublin Airport	Economy	$32	A Bus from Expressway goes from Bus Station, Letterkenny (Ireland) at 7/27/2026 4:32:00 AM to Dublin Airport, Dublin Airport (Ireland) arriving at 7/27/2026 7:56:00 AM. 50 Economy ticket for $32 per person are available. Travel duration is 3h 24m

Cheapest bus trips Tuesday
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
Expressway	3h 56m	6:30 PM	Letterkenny	Bus Station	10:26 PM	Dublin Airport	Dublin Airport	Economy	$11	A Bus from Expressway goes from Bus Station, Letterkenny (Ireland) at 7/28/2026 6:30:00 PM to Dublin Airport, Dublin Airport (Ireland) arriving at 7/28/2026 10:26:00 PM. 50 Economy ticket for $11 per person are available. Travel duration is 3h 56m
Expressway	3h 54m	6:32 PM	Letterkenny	Bus Station	10:26 PM	Dublin Airport	Dublin Airport	Economy	$12	A Bus from Expressway goes from Bus Station, Letterkenny (Ireland) at 7/28/2026 6:32:00 PM to Dublin Airport, Dublin Airport (Ireland) arriving at 7/28/2026 10:26:00 PM. 50 Economy ticket for $12 per person are available. Travel duration is 3h 54m
Expressway	3h 58m	12:30 PM	Letterkenny	Bus Station	4:28 PM	Dublin Airport	Dublin Airport	Economy	$22	A Bus from Expressway goes from Bus Station, Letterkenny (Ireland) at 7/28/2026 12:30:00 PM to Dublin Airport, Dublin Airport (Ireland) arriving at 7/28/2026 4:28:00 PM. 50 Economy ticket for $22 per person are available. Travel duration is 3h 58m
Expressway	3h 56m	12:32 PM	Letterkenny	Bus Station	4:28 PM	Dublin Airport	Dublin Airport	Economy	$22	A Bus from Expressway goes from Bus Station, Letterkenny (Ireland) at 7/28/2026 12:32:00 PM to Dublin Airport, Dublin Airport (Ireland) arriving at 7/28/2026 4:28:00 PM. 50 Economy ticket for $22 per person are available. Travel duration is 3h 56m
Expressway	3h 26m	12:00 AM	Letterkenny	Bus Station	3:26 AM	Dublin Airport	Dublin Airport	Economy	$32	A Bus from Expressway goes from Bus Station, Letterkenny (Ireland) at 7/28/2026 12:00:00 AM to Dublin Airport, Dublin Airport (Ireland) arriving at 7/28/2026 3:26:00 AM. 50 Economy ticket for $32 per person are available. Travel duration is 3h 26m

Cheapest bus trips Wednesday
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
Expressway	3h 56m	6:30 PM	Letterkenny	Bus Station	10:26 PM	Dublin Airport	Dublin Airport	Economy	$11	A Bus from Expressway goes from Bus Station, Letterkenny (Ireland) at 7/29/2026 6:30:00 PM to Dublin Airport, Dublin Airport (Ireland) arriving at 7/29/2026 10:26:00 PM. 50 Economy ticket for $11 per person are available. Travel duration is 3h 56m
Expressway	3h 54m	6:32 PM	Letterkenny	Bus Station	10:26 PM	Dublin Airport	Dublin Airport	Economy	$12	A Bus from Expressway goes from Bus Station, Letterkenny (Ireland) at 7/29/2026 6:32:00 PM to Dublin Airport, Dublin Airport (Ireland) arriving at 7/29/2026 10:26:00 PM. 50 Economy ticket for $12 per person are available. Travel duration is 3h 54m
Expressway	3h 58m	12:30 PM	Letterkenny	Bus Station	4:28 PM	Dublin Airport	Dublin Airport	Economy	$22	A Bus from Expressway goes from Bus Station, Letterkenny (Ireland) at 7/29/2026 12:30:00 PM to Dublin Airport, Dublin Airport (Ireland) arriving at 7/29/2026 4:28:00 PM. 50 Economy ticket for $22 per person are available. Travel duration is 3h 58m
Expressway	3h 56m	12:32 PM	Letterkenny	Bus Station	4:28 PM	Dublin Airport	Dublin Airport	Economy	$22	A Bus from Expressway goes from Bus Station, Letterkenny (Ireland) at 7/29/2026 12:32:00 PM to Dublin Airport, Dublin Airport (Ireland) arriving at 7/29/2026 4:28:00 PM. 50 Economy ticket for $22 per person are available. Travel duration is 3h 56m
Expressway	3h 26m	12:00 AM	Letterkenny	Bus Station	3:26 AM	Dublin Airport	Dublin Airport	Economy	$32	A Bus from Expressway goes from Bus Station, Letterkenny (Ireland) at 7/29/2026 12:00:00 AM to Dublin Airport, Dublin Airport (Ireland) arriving at 7/29/2026 3:26:00 AM. 50 Economy ticket for $32 per person are available. Travel duration is 3h 26m

Cheapest bus trips Thursday
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
Expressway	3h 54m	6:32 PM	Letterkenny	Bus Station	10:26 PM	Dublin Airport	Dublin Airport	Economy	$11	A Bus from Expressway goes from Bus Station, Letterkenny (Ireland) at 7/30/2026 6:32:00 PM to Dublin Airport, Dublin Airport (Ireland) arriving at 7/30/2026 10:26:00 PM. 50 Economy ticket for $11 per person are available. Travel duration is 3h 54m
Expressway	3h 56m	6:30 PM	Letterkenny	Bus Station	10:26 PM	Dublin Airport	Dublin Airport	Economy	$12	A Bus from Expressway goes from Bus Station, Letterkenny (Ireland) at 7/30/2026 6:30:00 PM to Dublin Airport, Dublin Airport (Ireland) arriving at 7/30/2026 10:26:00 PM. 50 Economy ticket for $12 per person are available. Travel duration is 3h 56m
Expressway	3h 58m	12:30 PM	Letterkenny	Bus Station	4:28 PM	Dublin Airport	Dublin Airport	Economy	$22	A Bus from Expressway goes from Bus Station, Letterkenny (Ireland) at 7/30/2026 12:30:00 PM to Dublin Airport, Dublin Airport (Ireland) arriving at 7/30/2026 4:28:00 PM. 50 Economy ticket for $22 per person are available. Travel duration is 3h 58m
Expressway	3h 56m	12:32 PM	Letterkenny	Bus Station	4:28 PM	Dublin Airport	Dublin Airport	Economy	$22	A Bus from Expressway goes from Bus Station, Letterkenny (Ireland) at 7/30/2026 12:32:00 PM to Dublin Airport, Dublin Airport (Ireland) arriving at 7/30/2026 4:28:00 PM. 50 Economy ticket for $22 per person are available. Travel duration is 3h 56m
Expressway	3h 24m	12:02 AM	Letterkenny	Bus Station	3:26 AM	Dublin Airport	Dublin Airport	Economy	$32	A Bus from Expressway goes from Bus Station, Letterkenny (Ireland) at 7/30/2026 12:02:00 AM to Dublin Airport, Dublin Airport (Ireland) arriving at 7/30/2026 3:26:00 AM. 50 Economy ticket for $32 per person are available. Travel duration is 3h 24m

Cheapest bus trips Friday
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
Expressway	3h 54m	6:32 PM	Letterkenny	Bus Station	10:26 PM	Dublin Airport	Dublin Airport	Economy	$11	A Bus from Expressway goes from Bus Station, Letterkenny (Ireland) at 7/31/2026 6:32:00 PM to Dublin Airport, Dublin Airport (Ireland) arriving at 7/31/2026 10:26:00 PM. 50 Economy ticket for $11 per person are available. Travel duration is 3h 54m
Expressway	3h 24m	12:02 AM	Letterkenny	Bus Station	3:26 AM	Dublin Airport	Dublin Airport	Economy	$32	A Bus from Expressway goes from Bus Station, Letterkenny (Ireland) at 7/31/2026 12:02:00 AM to Dublin Airport, Dublin Airport (Ireland) arriving at 7/31/2026 3:26:00 AM. 50 Economy ticket for $32 per person are available. Travel duration is 3h 24m
Expressway	3h 24m	2:02 AM	Letterkenny	Bus Station	5:26 AM	Dublin Airport	Dublin Airport	Economy	$32	A Bus from Expressway goes from Bus Station, Letterkenny (Ireland) at 7/31/2026 2:02:00 AM to Dublin Airport, Dublin Airport (Ireland) arriving at 7/31/2026 5:26:00 AM. 50 Economy ticket for $32 per person are available. Travel duration is 3h 24m
Expressway	3h 24m	4:32 AM	Letterkenny	Bus Station	7:56 AM	Dublin Airport	Dublin Airport	Economy	$32	A Bus from Expressway goes from Bus Station, Letterkenny (Ireland) at 7/31/2026 4:32:00 AM to Dublin Airport, Dublin Airport (Ireland) arriving at 7/31/2026 7:56:00 AM. 50 Economy ticket for $32 per person are available. Travel duration is 3h 24m
Expressway	3h 46m	6:32 AM	Letterkenny	Bus Station	10:18 AM	Dublin Airport	Dublin Airport	Economy	$32	A Bus from Expressway goes from Bus Station, Letterkenny (Ireland) at 7/31/2026 6:32:00 AM to Dublin Airport, Dublin Airport (Ireland) arriving at 7/31/2026 10:18:00 AM. 50 Economy ticket for $32 per person are available. Travel duration is 3h 46m

Cheapest bus trips Saturday
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
Expressway	3h 58m	12:30 PM	Letterkenny	Bus Station	4:28 PM	Dublin Airport	Dublin Airport	Economy	$22	A Bus from Expressway goes from Bus Station, Letterkenny (Ireland) at 8/1/2026 12:30:00 PM to Dublin Airport, Dublin Airport (Ireland) arriving at 8/1/2026 4:28:00 PM. 50 Economy ticket for $22 per person are available. Travel duration is 3h 58m
Expressway	3h 56m	12:32 PM	Letterkenny	Bus Station	4:28 PM	Dublin Airport	Dublin Airport	Economy	$22	A Bus from Expressway goes from Bus Station, Letterkenny (Ireland) at 8/1/2026 12:32:00 PM to Dublin Airport, Dublin Airport (Ireland) arriving at 8/1/2026 4:28:00 PM. 50 Economy ticket for $22 per person are available. Travel duration is 3h 56m
Expressway	3h 56m	6:30 PM	Letterkenny	Bus Station	10:26 PM	Dublin Airport	Dublin Airport	Economy	$22	A Bus from Expressway goes from Bus Station, Letterkenny (Ireland) at 8/1/2026 6:30:00 PM to Dublin Airport, Dublin Airport (Ireland) arriving at 8/1/2026 10:26:00 PM. 50 Economy ticket for $22 per person are available. Travel duration is 3h 56m
Expressway	3h 54m	6:32 PM	Letterkenny	Bus Station	10:26 PM	Dublin Airport	Dublin Airport	Economy	$22	A Bus from Expressway goes from Bus Station, Letterkenny (Ireland) at 8/1/2026 6:32:00 PM to Dublin Airport, Dublin Airport (Ireland) arriving at 8/1/2026 10:26:00 PM. 50 Economy ticket for $22 per person are available. Travel duration is 3h 54m
Expressway	3h 26m	12:00 AM	Letterkenny	Bus Station	3:26 AM	Dublin Airport	Dublin Airport	Economy	$33	A Bus from Expressway goes from Bus Station, Letterkenny (Ireland) at 8/1/2026 12:00:00 AM to Dublin Airport, Dublin Airport (Ireland) arriving at 8/1/2026 3:26:00 AM. 50 Economy ticket for $33 per person are available. Travel duration is 3h 26m

Did you know that if you travel from Letterkenny to Dublin Airport via Dublin, you can save more than $4? You can find the corresponding connections below.
- Expressway
  
  5h 0m
  
  0
  
  6:32 PM
  
  Letterkenny
  Bus Station
  
  10:56 PM
  
  Dublin
  Busáras
  
  0
  
  Economy
  
  $12
  
  A Bus from Expressway goes from Bus Station, Letterkenny (Ireland) at 7/29/2026 6:32:00 PM to Busáras, Dublin (Ireland) arriving at 7/29/2026 10:56:00 PM. 50 Economy ticket for $12 per person are available. Travel duration is 4h 24m
- Aircoach
  
  0h 17m
  
  0
  
  11:15 PM
  
  Dublin
  Drumcondra Road Lower
  
  11:32 PM
  
  Dublin Airport
  Dublin Airport - Terminal 2 (Zone 20)
  
  0
  
  Economy
  
  $7
  
  A Bus from Aircoach goes from Drumcondra Road Lower, Dublin (Ireland) at 7/29/2026 11:15:00 PM to Dublin Airport - Terminal 2 (Zone 20), Dublin Airport (Ireland) arriving at 7/29/2026 11:32:00 PM. 50 Economy ticket for $7 per person are available. Travel duration is 0h 17m
Travel time is 1h 34m longer, but you will save $4

Frequency of bus connections between Letterkenny and Dublin Airport

See here how frequent the connections between Letterkenny and Dublin Airport are, during different times and days of the week.

Monday is the busiest day, with more than 36 daily buses from Letterkenny to Dublin Airport. Sunday has instead the fewest connections, with only 8 daily coaches between Letterkenny and Dublin Airport.

The busiest time of the day is the Morning, with 79 buses from Letterkenny to Dublin Airport, while Evening sees the fewest connections between Letterkenny and Dublin Airport, with 16 offers.

Facts about the bus from Letterkenny to Dublin Airport (DUB)

Compare all providers like Expressway that travel 26 times every day by bus from Letterkenny to Dublin Airport in one click! Book your bus ticket from Letterkenny to Dublin Airport starting from $11!

Cheapest Bus	$11
Fastest Bus	3h 24m
Earliest Bus	8:02 AM
Latest Bus	6:32 PM
Daily Bus Routes	26 Ø
Distance	121.5 miles
Bus Companies	Expressway

Cheapest bus connections from Letterkenny to Dublin Airport

Every day, 26 buses from 1 bus companies leave Letterkenny for Dublin Airport: in the table below, you will find the cheapest prices for a bus ticket for this route, starting from 07/26/2026 and for the following days.

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sunday 07/26

$11

Monday 07/27

$11

Tuesday 07/28

$11

Wednesday 07/29

$12

Thursday 07/30

$11

Friday 07/31

$11

Saturday 08/01

$22

Sunday 08/02

$11

Monday 08/03

$12

Tuesday 08/04

$11

Wednesday 08/05

$11

Thursday 08/06

$12

Friday 08/07

$22

Saturday 08/08

$12

Sunday 08/09

$11

Monday 08/10

$22

Tuesday 08/11

$12

Wednesday 08/12

$12

Thursday 08/13

Friday 08/14

Saturday 08/15

Sunday 08/16

$12

Monday 08/17

Tuesday 08/18

$11

Wednesday 08/19

Thursday 08/20

Friday 08/21

Saturday 08/22

The cheapest time to travel from Letterkenny to Dublin Airport

See here on which day and which time of the day you can find the cheapest bus ticket from Letterkenny to Dublin Airport, for the next 30 days.

With a price starting from $11, Sunday is the cheapest day for a bus from Letterkenny to Dublin Airport. Saturday instead is the most expensive day with prices starting from $12.

Evening is the cheapest day time for bus tickets from Letterkenny to Dublin Airport, with $11. Morning is the most expensive time of the day with prices starting from $32.

How to save money travelling from Letterkenny to Dublin Airport

Travel can be expensive, but it doesn't need to be! Do you want to avoid paying a terrible price for your trip? Then follow these quick steps to save money:

Book the ticket from Letterkenny to Dublin Airport in advance! The earlier you book, the cheaper usually the price is. Also, you will be sure to have a place on the bus from Letterkenny to Dublin Airport, compared instead if you buy it at the last moment, or directly at the station.

If you can, avoid travelling at peak times. Instead of weekend, try travelling during the week. Travelling in the evening or at night it’s also cheaper, and later buses from Letterkenny to Dublin Airport are also emptier.

All bus stations and stops in Letterkenny and Dublin Airport

In the map below, you can see where to find all bus stations in Letterkenny and Dublin Airport.

Bus Station

Ramelton Rd

Dublin Airport

Dublin Airport - Terminal 2

Dublin Airport - Terminal 2 (Zone 20)

Dublin Airport - Zone 10

Atrium Road

Dublin Airport - Zone 11

Atrium Road

Service and Comfort on the bus from Letterkenny to Dublin Airport

Want to know which seat classes are available on the buses from Letterkenny to Dublin Airport? Or which bus companies serve the route Letterkenny to Dublin Airport? Below you will find answers to your questions.

FAQs about the Letterkenny to Dublin Airport bus

How much does a Letterkenny Dublin Airport bus trip cost?

This depends on, among other things, the day and time of travel. The cheapest trip is available from $11 and takes 3h 54m to reach Dublin Airport. Compare offers to save money!

How much could I save by comparing buses from Letterkenny to Dublin Airport?

This route is offered by 1 companies with a range of ticket prices between $11 and $33. Thus, we recommend booking your ticket as early as possible to make sure you get the cheapest bus ticket to Dublin Airport.

On average, how many connections are available from Letterkenny to Dublin Airport each day?

Every day, the Letterkenny to Dublin Airport bus route is served by approximately 26 connections. With our search, you can compare bus times to find the perfect trip.

How long does a bus journey from Letterkenny to Dublin Airport take?

The fastest shuttle from Letterkenny to Dublin Airport is offered by Expressway and takes 3h 24m. Bus tickets for this connection cost $33. In this context, bear in mind that the journey can take longer due to traffic.

What time is the first shuttle from Letterkenny to Dublin Airport?

The earliest bus arriving in Dublin Airport from Letterkenny starts at 8:02 AM. However, information regarding departure times may differ on weekends and holidays. Simply use our search to find exact times for your planned travel date.

What time is the last shuttle from Letterkenny to Dublin Airport?

The latest bus trip departing from Letterkenny for Dublin Airport starts at 6:32 PM. Please note that departure times may differ on weekends and holidays. So just use our search to find the exact times for your planned travel date.

Which bus companies operate the Letterkenny Dublin Airport route?

When traveling by shuttle from Letterkenny to Dublin Airport, passengers can travel with Expressway. With our search, you can compare all available bus tickets to book the one that works for you.

Is there a direct bus between Letterkenny and Dublin Airport?

You can check all the direct connections between Letterkenny and Dublin Airport by using our search and looking at the Changes section in our filters. These are some of the companies which offer a direct bus: Expressway.

What can I take with me on the Letterkenny to Dublin Airport bus route?

Depending on which provider you travel with, what you're allowed to bring with you can vary. Generally, you can take a suitcase and hand luggage with you on the Letterkenny Dublin Airport bus route free of charge. Simply use our search to find a shuttle that is best suited to your needs for your planned travel date.

What equipment is available for the Letterkenny Dublin Airport bus route?

The equipment on board differs depending on the provider. However, many long-distance buses have WiFi so you can tell your friends your exact location during the journey. To make traveling even more pleasant, air conditioning systems provide ventilation. It is best to use our search to get precise information about the equipment of the shuttle from Letterkenny to Dublin Airport on your planned travel date.

Available seat classes which are offered on the bus route Letterkenny to Dublin Airport

Economy

The cheapest option available for your ticket, it usually comes with reclinable seats and AC.

More bus routes to Letterkenny and to Dublin Airport

Here’s an overview of the most popular bus routes to Letterkenny and to Dublin Airport. Simply click on the connection of your choice, and you will find all the details about your bus route!