- Must visit
National Gallery of Ireland
Ireland’s leading art museum, with major European and Irish collections and frequent temporary exhibitions in a central city location.
Cheapest price
$33
Average price
$34
Fastest journey
3 h 30 m
Average duration
3 h 30 m
Buses per day
8
Distance
209 km
The best way to find a cheap bus ticket from Castlebar to Dublin is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Castlebar to Dublin will cost around $34 if you buy it on the day, but the cheapest tickets can be found for only $33.
Of the 8 buses that leave Castlebar for Dublin on Sun, Jun 21, 6 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Sun, Jun 21 the direct buses cover the 209 km distance in an average of 3 h 30 m but if you time it right, some buses will get you there in just 3 h 30 m .
On Sun, Jun 21 the slowest buses will take 3 h 30 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.










Omio recommends booking the bus as it is the most popular option from Castlebar to Dublin among Omio's users. If you are prioritising price take the train with prices starting from $31. For those with little time consider booking a train which can get you there in 3h 11m. The ticket price range depends on the travel mode: a train costs an average of $31, and a bus costs an average of $33.
Distance: 129 miles (209 km)
Most popular Bus | Train | Driving |
|---|---|---|
$34 Average price | $31 Average price Cheapest | $55 Average price (fuel + tolls) |
4h 50m Average total duration 4h 20m Onboard + 30m Additional time* | 3h 41m Average total duration Fastest 3h 11m Onboard + 30m Additional time* | 3h 12m Average total duration (door-to-door) |
Direct Options | Direct Options | Direct Options |
This is compared to other travel options from Castlebar to Dublin:
A train is $3 (€3) less than a bus for this route with tickets for a bus from Castlebar to Dublin costing on average $34 (€28).
Other travel options to Dublin take longer:
Bus takes on average 4h 20m.
Tickets start at around $34 (€28) compared to roughly $55 (€45) in fuel and tolls — a saving of about $21 (€17). The journey takes 4h 20m versus 3h 12m by car, so you'll arrive a bit later, but you can use the time productively rather than spending it behind the wheel. No parking to sort, no fuel stops, and most coaches have Wi-Fi and power outlets.
Direct services are operated by Citylink.
Driving is worth considering if you're on a tight schedule, travelling as a group (where fuel costs split several ways), or want the flexibility to stop along the way.
| Operator | Departure Time | Arrival Time | Duration | Departure days | Cheapest price |
|---|---|---|---|---|---|
Operator Citylink | Departure Time 12:45AM | Arrival Time 04:54AM | Duration 4h09 | Departure days Everyday | Cheapest price $37 |
Operator Citylink | Departure Time 04:00AM | Arrival Time 08:32AM | Duration 4h32 | Departure days Everyday | Cheapest price $37 |
Operator Citylink | Departure Time 07:55AM | Arrival Time 11:25AM | Duration 3h30 | Departure days Everyday | Cheapest price $33 |
Operator Citylink | Departure Time 10:50AM | Arrival Time 02:20PM | Duration 3h30 | Departure days Everyday | Cheapest price $33 |
Operator Citylink | Departure Time 12:50PM | Arrival Time 04:20PM | Duration 3h30 | Departure days Fri, Sun | Cheapest price $33 |
Operator Citylink | Departure Time 02:40PM | Arrival Time 06:10PM | Duration 3h30 | Departure days Everyday | Cheapest price $33 |
Operator Citylink | Departure Time 04:50PM | Arrival Time 08:20PM | Duration 3h30 | Departure days Everyday | Cheapest price $33 |
Operator Citylink | Departure Time 06:50PM | Arrival Time 10:20PM | Duration 3h30 | Departure days Fri, Sun | Cheapest price $33 |
The table below shows live departures for Castlebar to Dublin buses for today, Saturday, June 20. You can also manually refresh the results below to see updated bus journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 7:55 AM Castlebar | 3h30 | 11:25 AM Dublin | 0 transfersDirect | |
![]() | 10:50 AM Castlebar | 3h30 | 2:20 PM Dublin | 0 transfersDirect | |
![]() | 2:40 PM Castlebar | 3h30 | 6:10 PM Dublin | 0 transfersDirect | |
![]() | 4:50 PM Castlebar | 3h30 | 8:20 PM Dublin | 0 transfersDirect | |
| Sunday, June 21 | |||||
![]() | 12:45 AM Castlebar | 4h03 | 4:48 AM Dublin | 1 transfer | |
![]() | 4:00 AM Castlebar | 4h24 | 8:24 AM Dublin | 1 transfer | |
This is the last bus of the day. | |||||
Find all the dates and times for this journey
Compare train and bus prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
Buses from Castlebar to Dublin run on average 14 times per day, taking around 4h 20m. Cheap bus tickets for this journey start at $33 (€27) but you can travel from only $31 (€25) by train.
The earliest bus runs at 06:46, the last at 22:45. The fastest bus covers the 129 miles (209 km) distance in 3h 30m.
Distance 129 miles (209 km) |
Average bus duration 4h 20m |
Cheapest ticket price $33 (€27) |
Buses per day 14 |
Fastest bus 3h 30m |
First bus 6:46 AM |
Last bus 10:45 PM |
Cheapest Month May |
Cheapest Day Sun |
High Season Apr - Jun |
Low Season Jan - Mar |
Busiest Day Thu |
Least Busy Day Thu |
Best time to book 3 days |
Discover the best of Dublin — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Dublin trip today.
Ireland’s leading art museum, with major European and Irish collections and frequent temporary exhibitions in a central city location.
The key museum for Irish prehistory and early history, known for Celtic gold, Viking material, and famous bog bodies.
Major contemporary art museum housed in the historic Royal Hospital Kilmainham, with strong exhibitions and notable formal grounds.
Dublin’s most famous central quarter, known for lively streets, cobbles, cultural venues, and heavy visitor traffic.
The city’s best-known pedestrian shopping street, popular for buskers, energy, and easy access to major central sights.
A landmark Victorian city park ideal for a central walk, with landscaped gardens, ponds, and historic memorials.
A traditional hearty stew, usually made with lamb or mutton, potatoes, onions, and carrots. It is one of Ireland’s best-known comfort dishes.
A classic Dublin dish of sausages, bacon, onions, and potatoes slow-cooked together. It is closely associated with the city’s working-class food history.
A traditional Irish potato pancake or griddle bread, especially associated with the east and north-midlands but widely served in Dublin. It is valued for its crisp outside and soft center.
One of Dublin’s leading fine dining restaurants, celebrated for refined Irish cuisine and polished service in an elegant setting.
A long-established Temple Bar restaurant specializing in boxty and other traditional Irish dishes. Friendly and distinctly local in focus.
A well-regarded Irish restaurant above a historic bookshop, known for seasonal produce, Irish seafood, and views over the Ha’penny Bridge.
Dublin is pricey for lodging, dining, and drinks versus many European cities, though buses and casual eats can be manageable.
Service is often included only sometimes. Tip about 10% in restaurants for good service, round up taxis, and tipping in pubs or cafes is optional.
Official public transport app
Dublin Airport Terminal 2, Dublin -> Dublin Connolly Station, Dublin
Find answers to the most common questions about traveling from Castlebar to Dublin by bus. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest bus, the cheapest option, or tips for making the most of your visit at Dublin, this guide helps you travel smarter and with confidence.

Here are some other resources that might have the information you need