Cheap flights from Washington, D.C. to Cardiff from $361

Cheap flights from Washington, D.C. to Cardiff from $361

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1 stop
Wed, Aug 5
Washington, D.C. IADCardiff CWL
$361
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2 stops
Wed, Aug 5
Washington, D.C. DCACardiff CWL
$375
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3 stops
Tue, Aug 4
Washington, D.C. IADCardiff CWL
$393
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1 stop
Wed, Aug 5
Washington, D.C. DCACardiff CWL
$400
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1 stop
Fri, Aug 7
Washington, D.C. IADCardiff CWL
$411
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1 stop
Wed, Aug 5
Washington, D.C. IADCardiff CWL
$495
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1 stop
Wed, Aug 5 – Tue, Aug 11
Washington, D.C. IADCardiff CWL
$922
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1 stop
Fri, Aug 7 – Tue, Aug 11
Washington, D.C. IADCardiff CWL
$969
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1 stop
Wed, Aug 5 – Tue, Aug 11
Washington, D.C. IADCardiff CWL
$972
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1 stop
Fri, Aug 7 – Wed, Aug 12
Washington, D.C. IADCardiff CWL
$1,001
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2 stops
Sat, Aug 8 – Tue, Aug 11
Washington, D.C. DCACardiff CWL
$1,033
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1 stop
Fri, Aug 7 – Tue, Aug 11
Washington, D.C. IADCardiff CWL
$1,049
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How much do flights to Cardiff cost?

Cheapest one-way trip

$361

Cheapest round-trip

$922

Average round-trip

$1,032

Includes rare itinerary

Travel hack

Most popular airline

Ryanair

Key info about flying to Cardiff

Depart from
Washington Dulles International
Arrive to
Cardiff
Average flights per week
400
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 Washington, D.C. to Cardiff

NameCarrier codeIATA CodePassport needed during booking
RyanairRYRFRNo
WestJetWJAWSNo
JetBlue AirwaysJBUB6No
Frontier AirlinesFFTF9No
Air CanadaACAACYes

Online check-in is not available for these airlines.

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
12 Jul
29°C15°C
19 Jul
57%
27°C16°C
Monday
13 Jul
27°C14°C
20 Jul
57%
27°C15°C
Tuesday
14 Jul
30°C14°C
21 Jul
30°C14°C
Wednesday
15 Jul
36%
32°C19°C
22 Jul
30°C17°C
Thursday
16 Jul
57%
26°C17°C
23 Jul
29°C18°C
Friday
17 Jul
17%
25°C16°C
24 Jul
27°C17°C
Saturday
18 Jul
12%
23°C15°C
25 Jul
28°C16°C
Travelers usually depart from Washington Dulles International, Baltimore–Washington International, or Ronald Reagan Washington National when they travel from Washington, D.C. to Cardiff. The most popular airlines for this route are Ryanair, WestJet, JetBlue Airways, Frontier Airlines, and Air Canada. Washington, D.C. and Cardiff have 400 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

What are the most popular routes to and from Washington, D.C.?
Travelers frequently search for route combinations, such as Washington, D.C. and Orlando, Atlanta, Mexico City, Los Angeles, Tampa, Miami, San Juan, Dallas, Denver, Istanbul, Guadalajara, New Delhi, Kathmandu, Paris, Fort Lauderdale, Houston, Toronto, Chicago, Kabul, Cancún.
What are the most popular routes to and from Cardiff?
Travelers frequently search for route combinations, such as Cardiff and Nashville, Portland, Phoenix, Edinburgh, Denver, Hamburg, Charlotte, San Francisco, Raleigh, Las Vegas, Toronto, Rome, Athens, Atlanta, Zürich, Palma, Majorca, San Diego, Dublin, Valencia, Orlando.
Which airports are there in Washington, D.C.?
Washington, D.C. is mainly served by Washington Dulles International. But there are other airports nearby, including Baltimore–Washington International, Ronald Reagan Washington National.
What airports are near Washington, D.C.?
The main airport in Washington, D.C. is Washington Dulles International. It is also served by Philadelphia International, Norfolk International, Richmond International, Atlantic City International, Lehigh Valley International, Trenton–Mercer, Harrisburg International, Salisbury–Ocean City–Wicomico Regional, Hagerstown Regional, Lancaster.
What airports are near Cardiff?
The main airport in Cardiff is Cardiff. It is also served by Gatwick, Heathrow, London Stansted, Manchester, Luton, Birmingham, Bristol, Liverpool John Lennon, East Midlands, Bournemouth.
Which airlines fly between Washington, D.C. and Cardiff?
Currently, you can fly between Washington, D.C. and Cardiff with Ryanair, WestJet, JetBlue Airways, Frontier Airlines, Air Canada.
When’s the best time to travel between Washington, D.C. and Cardiff?
If you don’t have specific dates for your trip between Washington, D.C. and Cardiff, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.
What flights operate between Washington, D.C. and Cardiff?
Traveling between Washington, D.C. and Cardiff, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.
How many airports are there near Washington, D.C.?
There are a number of airports in and around Washington, D.C.. The main one is Washington Dulles International and other nearby airports include Philadelphia International, Norfolk International, Richmond International, Atlantic City International, Lehigh Valley International, Trenton–Mercer, Harrisburg International, Salisbury–Ocean City–Wicomico Regional, Hagerstown Regional, Lancaster
How many airports are there near Cardiff?
What time do nonstop (direct) flights between Washington, D.C. and Cardiff depart?
What time do nonstop (direct) flights between Washington, D.C. and Cardiff arrive?
What time do flights between Washington, D.C. and Cardiff depart?
What time do flights between Washington, D.C. and Cardiff arrive?

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