$20 Cheap Flights to Llanelli

View $20 flight on Mon, Mar 16, 2026Opens in a new window

Popular airlines to Llanelli

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

How much is the cheapest flight to Llanelli?

Prices were available within the past 7 days and start at $20 for one-way flights and $43 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ryanair
Wed, May 13 - Thu, May 28
DUB
Dublin
CWL
Cardiff
$43 Roundtrip, found 18 hours ago
$43
Roundtrip
found 18 hours ago
Select Ryanair flight, departing Wed, May 13 from Dublin to Cardiff, returning Thu, May 28, priced at $43 found 18 hours ago
Aer Lingus
Fri, Mar 6 - Mon, Mar 9
DUB
Dublin
CWL
Cardiff
$69 Roundtrip, found 11 hours ago
$69
Roundtrip
found 11 hours ago
Select Aer Lingus flight, departing Fri, Mar 6 from Dublin to Cardiff, returning Mon, Mar 9, priced at $69 found 11 hours ago
KLM
Wed, Sep 16 - Sat, Sep 19
DUB
Dublin
CWL
Cardiff
$277 Roundtrip, found 2 days ago
$277
Roundtrip
found 2 days ago
Select KLM flight, departing Wed, Sep 16 from Dublin to Cardiff, returning Sat, Sep 19, priced at $277 found 2 days ago
Air France
Wed, Sep 16 - Sat, Sep 19
DUB
Dublin
CWL
Cardiff
$359 Roundtrip, found 2 days ago
$359
Roundtrip
found 2 days ago
Select Air France flight, departing Wed, Sep 16 from Dublin to Cardiff, returning Sat, Sep 19, priced at $359 found 2 days ago
WestJet
Mon, Jun 15 - Mon, Jun 29
DUB
Dublin
CWL
Cardiff
$481 Roundtrip, found 5 days ago
$481
Roundtrip
found 5 days ago
Select WestJet flight, departing Mon, Jun 15 from Dublin to Cardiff, returning Mon, Jun 29, priced at $481 found 5 days ago

The Annual Vacation Sale

Members save up to 40% on hotels and homes. Plan this year’s big trip and save.
Book now

Frequently asked questions

What month is the cheapest to fly to Llanelli?
March is the cheapest month to fly to Llanelli, with average fares around $778. This month tends to be more affordable as it falls outside the peak travel seasons. there are no other affordable months listed.*Prices based on flights available on Expedia in the last year.
Which US cities have the cheapest flights to Llanelli?
You can find some of the cheapest flights to Llanelli from these US cities:

  • Miami (MIA)
  • Boston (BOS)
  • Cleveland (CLE)
  • Houston (HOU)
  • Buffalo (BUF)

with fares typically starting around $343.
How to find a cheap flight to Llanelli?
To find a cheap flight to Llanelli, be flexible with your dates. Traveling in the off-season or shoulder season can help you save. Mid-week flights are usually less expensive, too. Use flight search engines, like Expedia, to compare airlines, flight times and routes all in one place to find affordable rates. You may find that flights with layovers are cheaper than direct flights. You can also set up Price Tracking and receive alerts when fares go up or down.
Which airlines fly to Llanelli?
You can fly to Llanelli with several airlines:

  • Aer Lingus
  • Delta
  • Jet2
  • KLM
  • Loganair
  • Ryanair
  • Virgin Atlantic
  • easyJet

Where do you fly into Llanelli?
If you're heading to Llanelli, you have several airport options:

  • The closest major airport is Bristol (BRS-Bristol Intl.), about 103 miles from the city center, which is a hub for KLM, Aer Lingus, and easyJet, with other airlines like Edelweiss Air, Ryanair also operating here.
  • Cardiff (CWL-Cardiff Intl.) is another option, about 60 miles away, serving as a hub for KLM, Air France, and Ryanair, with EA, Aer Lingus also operating here.
  • Exeter (EXT-Exeter Intl.), about 83 miles away, serving as a hub for KLM, Aer Lingus, and Loganair, with Ryanair, EA also operating here.
  • Newquay (NQY-Newquay Cornwall), about 104 miles away, serving as a hub for Aer Lingus, Loganair, and Edelweiss Air, with Ryanair, EA also operating here.
  • Swansea (SWS), about 8 miles away, which may offer additional flight options.

What is the cheapest airport to fly to in Llanelli?
The most affordable airport to fly into in Llanelli is typically Cardiff (CWL-Cardiff Intl.), located about 60 miles from the city center. This airport is a great choice for travelers looking for budget-friendly options.*Prices based on flights available on Expedia in the last year.
Which budget airlines fly to Llanelli?
Looking for affordable flights to Llanelli? There are 8 budget carriers to choose from:

  • easyJet: flies to Bristol (BRS)
  • Ryanair: serves Cardiff (CWL), Bristol (BRS), Exeter (EXT), Newquay (NQY)
  • Jet2: flies to Bristol (BRS)
  • Pegasus Airlines: flies to Bristol (BRS)
  • Eurowings: flies to Newquay (NQY)
  • SunExpress: flies to Bristol (BRS)
  • Vueling Airlines: flies to Cardiff (CWL)
  • WestJet: flies to Cardiff (CWL)

What is the best month to visit Llanelli?
The best time to visit Llanelli is typically from late June to early September for warm weather and outdoor activities. If you prefer fewer crowds and lower prices, consider visiting in March to May or September to October. Each season offers unique experiences, from blooming wildlife in spring to colorful foliage in autumn.
How far in advance should I book a flight to Llanelli?
For domestic travel to Llanelli, booking 3-12 months in advance can help you find the best prices. For international flights to Llanelli, aim to book around 1 month ahead to get cheaper fares. For added peace of mind, use Expedia's Price Drop Protection™ when you make your booking. It's free to use for Gold and Platinum members on the Expedia app. Once a qualifying flight is purchased, we'll automatically check your flight on Expedia until the day of your departure and notify you if there are price changes. If your flight price drops after you book, we'll automatically award the price difference in OneKeyCash™* into your One Key account after your trip ends.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What day of the week is cheapest day to buy a plane ticket to Llanelli?
Sunday is typically the cheapest day to buy a plane ticket to Llanelli, averaging about $912. This is a great option, especially since Monday usually has the highest prices. Use Expedia's Price Tracking tool to monitor prices for your trip and receive alerts when fares go up or down.*Cheapest day to book based on flights available on Expedia in the last year.
What is the most expensive month to fly to Llanelli?
July is the most expensive month to fly to Llanelli, with average return ticket prices around $1,302. This is about 28% higher than the average throughout the past year, as summer vacations and travel peak during this time. For more budget-friendly options, consider traveling in April or August when prices are generally lower.*Prices based on flights available on Expedia in the last year.
What public holidays or seasonal events might make flights to Llanelli more expensive?
When planning your trip to Llanelli, keep in mind that public holidays like Easter (March/April), May Day (early May), and the late August bank holiday can lead to higher flight prices and increased local crowds. Additionally, the Christmas and New Year period also sees a spike in travel demand, making it a good idea to book your flights well in advance if you plan to visit during these times.
How far is the airport from central Llanelli?
Swansea (SWS) is about 8 miles southeast of central Llanelli. This makes it a convenient option if you are heading to or from the area.
How can I track flight prices to Llanelli?
Our Price Tracking tool allows you to monitor fares to Llanelli. You can view flight price history and see predictions of future prices as available. When you're signed into your Expedia account, you can set up flight price alerts too. This way, you'll receive notifications when prices go up or down, so you know when it's the right time to book.
How to get a cheap last-minute flight to Llanelli?
It is possible to find cheap, last-minute flights to Llanelli, especially if you can be flexible with your dates, times and route. Whether you're planning a spontaneous getaway or need to travel for business, there are plenty of last-minute flight deals on Expedia. You can also bundle your flight and hotel for even more savings with a package deal.
Can I earn miles booking a flight to Llanelli with Expedia?
You can earn miles when booking a flight to Llanelli on Expedia. Before confirming your booking, just select the frequent flyer program name and enter your program number. For even more rewards, join One Key™—our free travel rewards program. One Key members earn OneKeyCash™* on eligible bookings for every dollar spent.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Can I save money by booking a Llanelli trip package?
Book a Llanelli flight and hotel package deal on Expedia, and you can make significant savings. It's simple to bundle your accommodations and flights, and you can also add car rentals and activities to create your own customized Llanelli trip. Plus, nothing beats the convenience of booking everything in the same place.
Can I change or cancel my flight to Llanelli?
It's often possible to cancel or change your flight to Llanelli using Expedia. Many airlines let you cancel your flights for free within 24 hours of booking. However, some flights are non-refundable, and airlines may offer to reschedule your flight rather than provide a direct refund. To find affordable flights to Llanelli with flexible change policies, select "No cancel fee" or "Changes included" when you search. Need more information? Visit our Customer Service Portal.

*Flight schedules are subject to change.

Book with confidence

Llanelli Flights

Flights to Llanelli

Llanelli’s closest major airport is Cardiff Airport, some 40 miles to the south in Rhoose. Regular train services run between the airport and Llanelli, and regular buses run via the nearby city of Cardiff.

Cardiff Airport is a busy international airport, and offers flights to and from a wide selection of domestic and international destinations. The airport complex has every amenity the traveler might need, from ATMs and places to exchange currency, to a children’s play area, tourist information kiosks, car rental desks and places to buy and consume refreshments.

Flights to and from Llanelli

More than 11 airlines fly to Cardiff Airport, with international flights to and from Spain, Ireland, the Netherlands, Greece, Egypt, France and Malta. International flights to Germany, Italy, Turkey and Jersey are due to begin in 2015, as are domestic flights to Anglesea and Jersey.

The busiest routes to Cardiff Airport from the UK are from Edinburgh, Glasgow, Aberdeen, Belfast and Newcastle airports, while the busiest international routes are from Amsterdam in the Netherlands, Dublin in Ireland and Mallorca in Spain.

When to Book Your Flight to Llanelli

There is plenty to see and do at any time of year in Llanelli, but if you wish to spend a lot of time exploring the beaches and the great outdoors, the best time is undoubtedly between spring and autumn.

The town really comes alive during some of the many events and festivals. Visit in August to sample the delights of the Llanelli Beer Festival or to let your hair down at the Llanelli Big Day Out music festival. If you plan your stay for November you can get into the Christmas spirit early with the Llanelli Christmas Carnival.

Getting to Llanelli After Your Flight

Rhoose Cardiff International Airport is the closest rail station to Cardiff Airport, and a regular shuttle bus service runs between the airport terminal and the station, with the journey taking about 10 minutes. The journey from Rhoose to Llanelli station takes approximately two hours.

To get from the airport to Llanelli by bus or coach, you are best advised to take the hourly bus from the airport to Cardiff Central bus station. From there you can take a coach to Swansea, the journey taking about an hour. From Swansea you can catch a local bus or coach to Llanelli, which takes about 30 minutes.

It takes a little over an hour to drive from Cardiff Airport to Llanelli. The M4 motorway is only about 10 miles from the airport, and can be reached by travelling along the A4226 and A48. Leave the motorway at junction 48 and take the A4138 to Llanelli. If you pre-arrange your car hire with Expedia you can save yourself a lot of time and effort and be in Llanelli very shortly after your flight touches down, and once there you will be able to travel around the stunning Carmarthenshire countryside with ease.

Llanelli Flights

Travel information

Destination airport
Cardiff Intl.
Destination airport IATA code
CWL
Destination city name
Cardiff
Roundtrip price
$43

Trending flights to Llanelli

Prices were available within the past 7 days and start at $20 for one-way flights and $43 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Wed, Mar 4 - Sat, Mar 7
ORD
Chicago
CWL
Cardiff
$648 Roundtrip, found 7 hours ago
$648
Roundtrip
found 7 hours ago
Select Aer Lingus flight, departing Wed, Mar 4 from Chicago to Cardiff, returning Sat, Mar 7, priced at $648 found 7 hours ago

Explore a world of travel with Expedia

*Available to One Key members.