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Cheapest Petrol & Diesel from Fishguard to Swansea

Route length: 70.6 miles (about 1 hr 23 min) · Distance from route: 5 miles · 10 stations found

Recently updated prices along this route: petrol from 164.9p/L, diesel from 192.9p/L.

Cheapest: Dyrham service station at 150.9p/L (closed now, price unchanged for 30+ days)

Top recommendation

On route
Valero logo
Valero
Ascona Forge Filling Station

A40 West, Carmarthen Road, BancyfelinSA33 4NA

169.9p/L
Unleaded
Price changed 24 Oct, 09:57
Open 24 hours

Estimated total: £76.47 for 45L, On route, Route position: 36.5 mi from start

Stations along this route

10 total

How route value is measured: estimated total = 45L at pump price + round-trip detour fuel at 35 MPG.

Travel time is not included in route ranking. Low-confidence prices are excluded from route ranking.

Cheapest on route
Essar logo
Essar
Dyrham service station

Dyrham House, Robeston Wathen, NarberthSA67 8EN

150.9p/L
Unleaded
Price unchanged since 21 Jul, 15:17 · verify at the pump
Closed nowOpens Sunday at 07:00

Estimated total: £67.95 for 45L, +0.1 mi off route, Route position: 20.6 mi from start

 logo
Lewis Retail Drefach Ltd

Nisa, Woodlands Garage, Drefach, Cwm-mawrSA14 7BA

164.9p/L
Unleaded
Price changed 22 Oct, 09:08
Closed nowOpens Sunday at 07:00

Estimated total: £74.84 for 45L, +1.5 mi off route, Route position: 54.0 mi from start

On route
Valero logo
Valero
Ascona Tenby Road Service Station

Lysonnen Road, Carmarthen, LlanllwchSA33 5DT

169.9p/L
Unleaded
Price changed 24 Oct, 09:29
Open 24 hours

Estimated total: £76.48 for 45L, On route, Route position: 41.3 mi from start

On route
Essar logo
Essar
Essar Dyrham Service Station

B4314, Robeston WathenSA67 8EN

169.9p/L
Unleaded
Price unchanged since 12 Oct, 15:08 · check before you travel
Closed nowOpens Sunday at 07:00

Estimated total: £76.51 for 45L, +0.1 mi off route, Route position: 20.6 mi from start

On route
Morrisons logo
Morrisons
MFG Morrisons Carmarthen

Parc Pensarn, CaerfyrddinSA31 2NF

169.9p/L
Unleaded
Price changed 23 Oct, 00:05
Open 24 hours

Estimated total: £76.53 for 45L, +0.1 mi off route, Route position: 45.2 mi from start

On route
Valero logo
Valero
Ascona Ivy Service Station

Tenby Road, St Clears, SanclêrSA33 4JP

169.9p/L
Unleaded
Price changed 24 Oct, 09:19
Closed nowOpens Sunday at 06:00

Estimated total: £76.60 for 45L, +0.3 mi off route, Route position: 34.6 mi from start

On route
Murco logo
Murco
Preseli Service Station

Preseli Filling Station, Llanddewi Velfrey, Narberth, Llanddewi FelffreSA67 7PD

169.9p/L
Unleaded
Price unchanged since 13 Oct, 16:50 · check before you travel
Closed nowOpens Sunday at 08:00

Estimated total: £76.60 for 45L, +0.3 mi off route, Route position: 25.6 mi from start

Murco logo
Murco
Tanerdy Garage

Tanerdy, CaerfyrddinSA31 2EY

168.9p/L
Unleaded
Price changed 20 Oct, 13:42
Closed nowOpens Sunday at 07:00

Estimated total: £76.60 for 45L, +1.3 mi off route, Route position: 45.2 mi from start

On route
Valero logo
Valero
MFG Cross Hands

Crosshands Road, GorslasSA14 6RR

169.9p/L
Unleaded
Price changed 23 Oct, 23:45
Open 24 hours

Estimated total: £76.62 for 45L, +0.4 mi off route, Route position: 57.0 mi from start

Amenities
  • Toilets
  • Car wash

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About the Fishguard to Swansea drive

The drive from Fishguard to Swansea is about 71 miles and takes around 1 hr 23 min without traffic. The 10 stations we list are within 5 miles of the route, near Robeston Wathen, Cwm-mawr and Bancyfelin, from brands including Valero, Essar, Murco and Unknown. At 35 MPG the trip uses about 9 litres of petrol: about £15.12 at the cheapest recent price anyone can buy along the route (164.9p/L, updated 22 Oct). That's 9.7p a litre cheaper than the UK average of 174.6p/L (GOV.UK, week of 19 Oct).

Fishguard to Swansea fuel questions

The cheapest recently updated petrol price anyone can buy along the route is 164.9p/L at Lewis Retail Drefach Ltd, Cwm-mawr (updated 22 Oct). Stations with older prices, or members-only ones, can be cheaper still: the list above ranks every station by what a fill-up costs, detour included, and shows how old each price is.

At the cheapest recent price anyone can buy along the route, 164.9p/L (updated 22 Oct), a 45-litre fill-up costs about £74.21. The drive itself uses about 9 litres at 35 MPG, about £15.12. Your own car may use more or less, so change the tank size and MPG in the route options to fit it.

No. Petrol is from 164.9p/L and diesel from 192.9p/L along this route, so petrol is 28p a litre cheaper. Prices updated 22 Oct.

Most prices come from the UK Fuel Finder scheme, which petrol stations use to report their prices. Each station shows when its price last changed, so if it has been a while, check the price at the pump.

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