Cheap flights from Washington, D.C. to Cardiff from $268

Cheap flights from Washington, D.C. to Cardiff from $268

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1 stop
Mon, Jun 15
Washington, D.C. IADCardiff CWL
$268
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1 stop
Sun, Jun 21
Washington, D.C. IADCardiff CWL
$274
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1 stop
Wed, Jun 17
Washington, D.C. IADCardiff CWL
$346
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3 stops
Wed, Jun 17
Washington, D.C. DCACardiff CWL
$365
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2 stops
Wed, Jun 17
Washington, D.C. DCACardiff CWL
$401
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1 stop
Fri, Jun 19
Washington, D.C. IADCardiff CWL
$451
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1 stop
Sun, Jun 21 – Fri, Jun 26
Washington, D.C. IADCardiff CWL
$615
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1 stop
Mon, Jun 15 – Fri, Jun 19
Washington, D.C. IADCardiff CWL
$699
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1 stop
Sun, Jun 21 – Fri, Jun 26
Washington, D.C. IADCardiff CWL
$714
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1 stop
Wed, Jun 17 – Tue, Jun 23
Washington, D.C. IADCardiff CWL
$778
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1 stop
Mon, Jun 15 – Sat, Jun 20
Washington, D.C. IADCardiff CWL
$810
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1 stop
Mon, Jun 15 – Thu, Jun 18
Washington, D.C. IADCardiff CWL
$874
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How much do flights to Cardiff cost?

Cheapest one-way trip

$268

Cheapest round-trip

$615

Average round-trip

$967

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
JetBlue AirwaysJBUB6No
WestJetWJAWSNo
Frontier AirlinesFFTF9No
Porter AirlinesPOEPDNo

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
31 May
89%
17°C11°C
7 Jun
88%
17°C11°C
Monday
1 Jun
84%
16°C11°C
8 Jun
16°C9°C
Tuesday
2 Jun
89%
17°C12°C
9 Jun
77%
16°C10°C
Wednesday
3 Jun
86%
16°C12°C
10 Jun
87%
16°C11°C
Thursday
4 Jun
89%
14°C11°C
11 Jun
86%
17°C10°C
Friday
5 Jun
69%
14°C10°C
12 Jun
65%
16°C11°C
Saturday
6 Jun
83%
16°C10°C
13 Jun
89%
16°C11°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, JetBlue Airways, WestJet, Frontier Airlines, and Porter Airlines. 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, London Stansted, Heathrow, Luton, Manchester, Birmingham, Bristol, Liverpool John Lennon, East Midlands, Cardiff.
Which airlines fly between Washington, D.C. and Cardiff?
Currently, you can fly between Washington, D.C. and Cardiff with Ryanair, JetBlue Airways, WestJet, Frontier Airlines, Porter Airlines.
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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