Hotels in Old St Mellons

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Where to stay in Old St Mellons?

Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
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Our prices for hotels in Cardiff are cheapest in March

See average prices and weather for all months

Price trends for hotels in Cardiff

Pricing is based on two traveller single night rates
Apr
CA $116
Average price during April is CA $116
May
CA $135
Average price during May is CA $135
Jun
CA $246
Average price during June is CA $246
Jul
CA $269
Average price during July is CA $269
Aug
CA $196
Average price during August is CA $196
Sep
CA $177
Average price during September is CA $177
Oct
CA $170
Average price during October is CA $170
Nov
CA $183
Average price during November is CA $183
Dec
CA $187
Average price during December is CA $187
Jan
CA $160
Average price during January is CA $160
Feb
CA $164
Average price during February is CA $164
Mar
CA $100
Average price during March is CA $100
Currently viewing crowd sizes and weather for April.

April

trending_downLow crowds
High 12°C / low 5°C. Sunny most days.
12°
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April, Low crowds, average high temperature 12 degrees Celsius, average low temperature 5 degrees Celsius. Sunny most days.
15°
weather_sun
May, Moderate crowds, average high temperature 15 degrees Celsius, average low temperature 8 degrees Celsius. Sunny most days.
18°
weather_cloudy
June, High crowds, average high temperature 18 degrees Celsius, average low temperature 11 degrees Celsius. Cloudy most days.
11°
20°
weather_sun
July, High crowds, average high temperature 20 degrees Celsius, average low temperature 13 degrees Celsius. Sunny most days.
13°
19°
weather_cloudy
August, High crowds, average high temperature 19 degrees Celsius, average low temperature 13 degrees Celsius. Cloudy most days.
13°
18°
weather_sun
September, Moderate crowds, average high temperature 18 degrees Celsius, average low temperature 12 degrees Celsius. Sunny most days.
12°
15°
weather_cloudy
October, Moderate crowds, average high temperature 15 degrees Celsius, average low temperature 10 degrees Celsius. Cloudy most days.
10°
11°
weather_cloudy
November, High crowds, average high temperature 11 degrees Celsius, average low temperature 7 degrees Celsius. Cloudy most days.
weather_cloudy
December, Moderate crowds, average high temperature 9 degrees Celsius, average low temperature 5 degrees Celsius. Cloudy most days.
weather_cloudy
January, Low crowds, average high temperature 8 degrees Celsius, average low temperature 3 degrees Celsius. Cloudy most days.
weather_cloudy
February, Low crowds, average high temperature 8 degrees Celsius, average low temperature 4 degrees Celsius. Cloudy most days.
10°
weather_cloudy
March, Low crowds, average high temperature 10 degrees Celsius, average low temperature 4 degrees Celsius. Cloudy most days.
Monthly weather averages (˚C)

Top landmarks in Cardiff

A tranquil hotel pool encircled by beautiful arches

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Find out more about Old St Mellons

Find out more about Old St Mellons

What's Old St Mellons Like?

If you're looking for the perfect part of town to visit, look no further than Old St Mellons. In the larger area, you'll find top places to visit like Principality Stadium. St Mellons Golf Club and Tredegar House are two places to visit nearby.

Where are the Best Places to Stay in Old St Mellons?

Our travelers don't have any top picks in Old St Mellons but here are some of their favorites nearby:

    The Parkgate Hotel - 4.8 mi (7.7 km) away

    Hotel with spa, restaurant
    • Free WiFi • Fitness center • Bar • Cafe • Central location

    The Angel Hotel - 4.8 mi (7.7 km) away

    Hotel with restaurant, bar
    • Free WiFi • Cafe • 24-hour front desk • Central location

    Sleeperz Hotel Cardiff - 4.9 mi (7.9 km) away

    Hotel with restaurant, bar
    • Free WiFi • Cafe • 24-hour front desk • Central location

    Cardiff Marriott Hotel - 4.8 mi (7.7 km) away

    Hotel with restaurant, bar
    • Free WiFi • 24-hour fitness center • 24-hour front desk • Central location

    Hotel Indigo Cardiff, an IHG Hotel - 4.6 mi (7.3 km) away

    Hotel with 2 bars, restaurant
    • Free WiFi • 24-hour fitness center • Rooftop terrace • 24-hour front desk • Central location

How to Get to Old St Mellons

Flying to:

  • Cardiff International Airport (CWL), 13.6 mi (21.8 km) from Old St Mellons
  • Bristol International Airport (BRS), 20.3 mi (32.6 km) from Old St Mellons

Things to See and Do in and around Old St Mellons

Things to See near Old St Mellons:

  • Principality Stadium (4.9 mi/7.9 km away)
  • Tredegar House (4.1 mi/6.5 km away)
  • Cardiff University (4.3 mi/6.9 km away)
  • Cardiff City Hall (4.5 mi/7.2 km away)
  • Cardiff International Arena (4.6 mi/7.4 km away)

Things to Do near Old St Mellons:

  • St Mellons Golf Club (1.1 mi/1.8 km away)
  • National Museum Cardiff (4.3 mi/7 km away)
  • New Theatre (4.4 mi/7.1 km away)
  • St. David's (4.5 mi/7.3 km away)
  • St. David's Hall (4.7 mi/7.5 km away)

When Is the Best Time to Visit Cardiff?

Terms and conditions

*Book by 5/26/2025 11:59 pm in hotel property local time. Stay between 4/17/2025-9/30/2025. Member Prices are available to Hotels.com™ app users and Hotels.com™ Rewards members. Limited availability, blackout periods may apply.

Hotels.com Rewards members save more, as compared to non-members shopping on Hotels.com. Members 18+. Eligible properties only. Reward Night worth average daily rate of 10 stamps (excluding taxes/fees). Taxes/fees payable on reward night. Booking exclusions apply, see terms https://ca.hotels.com/lp/b/terms-of-service?pos=HCOM_CA&locale=en_CA.