Cheap flights from St. Louis to Cardiff from $370

Cheap flights from St. Louis to Cardiff from $370

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3 stops
Sun, Jun 7
St. Louis STLCardiff CWL

$370
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3 stops
Sat, Jun 6
St. Louis STLCardiff CWL

$399
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3 stops
Thu, Jun 4
St. Louis STLCardiff CWL

$414
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2 stops
Sun, Jun 7
St. Louis STLCardiff CWL

$492
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2 stops
Fri, Jun 5
St. Louis STLCardiff CWL

$560
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2 stops
Wed, Jun 3
St. Louis STLCardiff CWL

$627
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3 stops
Sun, Jun 7 – Fri, Jun 12
St. Louis STLCardiff CWL

$861
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3 stops
Thu, Jun 4 – Tue, Jun 9
St. Louis STLCardiff CWL

$871
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2 stops
Sun, Jun 7 – Thu, Jun 11
St. Louis STLCardiff CWL

$968
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2 stops
Sun, Jun 7 – Thu, Jun 11
St. Louis STLCardiff CWL

$970
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2 stops
Sun, Jun 7 – Fri, Jun 12
St. Louis STLCardiff CWL

$984
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2 stops
Sun, Jun 7 – Fri, Jun 12
St. Louis STLCardiff CWL

$1,003
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How much do flights to Cardiff cost?

Key info about flying to Cardiff

Depart from
St. Louis Lambert International
Arrive to
Cardiff
Average flights per week
137
Flight distance
Worth visiting
Avebury - Brecon Beacons - Roman Baths, Bath - St. David's Cathedral, Cardiff - St Fagans: National History Museum - Stonehenge - Tintern Abbey, United Kingdom

Check-in for a flight from St. Louis to Cardiff

NameCarrier codeIATA CodePassport needed during booking
RyanairRYRFRNo
WestJetWJAWSNo
Frontier AirlinesFFTF9No
KLM Royal Dutch AirlinesKLMKLNo
Aer LingusEINEINo

Weather in Cardiff

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January7°C3°C
February8°C3°C
March10°C4°C
April12°C5°C
May15°C8°C
June17°C11°C
July19°C13°C
August19°C13°C
September17°C11°C
October14°C9°C
November11°C6°C
December8°C5°C
Hottest Month
19°C
July
Coldest month
3°C
January
Sunny days
265
days per year
Snow days
2
days per year

14 day forecast

Sunday
17 May
89%
13°C6°C
24 May
20°C12°C
Monday
18 May
88%
13°C7°C
25 May
21°C12°C
Tuesday
19 May
88%
15°C11°C
26 May
20°C11°C
Wednesday
20 May
88%
16°C11°C
27 May
20°C11°C
Thursday
21 May
89%
18°C11°C
28 May
63%
19°C10°C
Friday
22 May
20°C13°C
29 May
88%
17°C11°C
Saturday
23 May
89%
20°C13°C
30 May
87%
15°C12°C
The most popular airlines for this route are Ryanair, WestJet, Frontier Airlines, KLM Royal Dutch Airlines, and Aer Lingus. St. Louis and Cardiff have 137 direct flights per week. When you arrive at Cardiff, consider visiting Avebury, Brecon Beacons, Roman Baths, Bath, St. David's Cathedral, Cardiff, St Fagans: National History Museum, Stonehenge, and Tintern Abbey, United Kingdom.

Frequently asked questions

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The nearest countries with flights to Cardiff

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