Cheap flights from Washington, D.C. (WAS) to Cardiff (CWL) from $512

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/18. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
WAS — CWL
feb. 25 — mar. 31

How to find the cheapest flight from Washington, D.C. (WAS) to Cardiff (CWL)

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Cardiff (CWL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated febrero 20, 2024.

Popular in

June

Cheapest in

November

Round-trip from

$708

One-way from

$512
High demand for flights, 48% potential price rise
Best time to find cheap flights, 48% potential price drop
From Washington, D.C. (WAS) to Cardiff Wales
One-way flight from Washington, D.C. (WAS) to Cardiff Wales

What is the cheapest day to fly round-trip from Washington, D.C. to Cardiff?

Flying to your destination on a Friday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Cardiff. Check prices with Cheapflights to find a great deal for your trip.

What is the cheapest month to fly from Washington, D.C. to Cardiff?

November can be a great time to fly to Cardiff from Washington, D.C. with a flight ticket averaging about $829. Cheapflights users have found deals in the month of November for as cheap as $434. The most expensive prices can be found in the month of June.

When is the cheapest time to fly from Washington, D.C. to Cardiff (WAS - CWL)?

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Cardiff at noon. If you’re flexible enough to do this you can expect to save up to 34% on your trip compared to booking a flight in the morning.

Cheap KLM flights from Washington, D.C. to Cardiff

Explore cheap flight options specifically provided by KLM for the route between Washington, D.C. and Cardiff. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,394,020 searches. Data last updated febrero 20, 2024.
Take a peek at the cheapest KLM flights we've detected traveling from Washington, D.C. to Cardiff. Make sure to double check the flight details before booking.
lun. 4/226:50 pmBWI - CWL
2 stops16h 55mKLM
mar. 4/309:45 amCWL - BWI
2 stops19h 53mKLM
Deal found 2/19$733
lun. 5/62:37 pmBWI - CWL
2 stops13h 38mKLM
vie. 5/179:45 amCWL - BWI
2 stops16h 50mKLM
Deal found 2/19$745
mié. 4/1712:21 pmIAD - CWL
2 stops15h 54mKLM
dom. 4/215:15 pmCWL - IAD
1 stop27h 20mKLM
Deal found 2/19$819
mié. 4/1712:21 pmIAD - CWL
2 stops15h 54mKLM
dom. 4/219:45 amCWL - IAD
2 stops35h 37mKLM
Deal found 2/19$829
dom. 4/212:58 pmIAD - CWL
2 stops13h 17mKLM
dom. 4/289:45 amCWL - IAD
1 stop10h 50mKLM
Deal found 2/19$875
mar. 5/215:50 pmIAD - CWL
1 stop10h 25mKLM
mar. 5/289:45 amCWL - IAD
1 stop11h 15mKLM
Deal found 2/19$930
mar. 5/212:26 pmBWI - CWL
2 stops13h 49mKLM
mar. 5/289:45 amCWL - BWI
2 stops15h 22mKLM
Deal found 2/19$944
lun. 5/205:25 pmIAD - CWL
1 stop10h 50mKLM
lun. 5/279:45 amCWL - IAD
1 stop10h 50mKLM
Deal found 2/20$1,005
lun. 5/202:00 pmDCA - CWL
2 stops14h 15mKLM
lun. 5/279:45 amCWL - DCA
2 stops14h 36mKLM
Deal found 2/20$1,020

Cheap Air France flights from Washington, D.C. to Cardiff

Explore cheap flight options specifically provided by Air France for the route between Washington, D.C. and Cardiff. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,394,020 searches. Data last updated febrero 20, 2024.
To aid your search, here are some of the cheapest Air France flights we've found from Washington, D.C. to Cardiff. Deals frequently update to provide users with more options.
dom. 4/215:25 pmIAD - CWL
1 stop18h 20mAir France
dom. 4/289:45 amCWL - IAD
1 stop10h 50mAir France
Deal found 2/19$769
mié. 4/175:50 pmIAD - CWL
1 stop17h 55mAir France
dom. 4/215:15 pmCWL - IAD
1 stop27h 20mAir France
Deal found 2/18$815
vie. 4/267:50 pmBWI - CWL
2 stops15h 55mAir France
mar. 4/305:15 pmCWL - BWI
2 stops36h 20mAir France
Deal found 2/18$829
dom. 8/189:20 pmIAD - CWL
2 stops14h 25mAir France
sáb. 8/249:45 amCWL - IAD
2 stops18h 52mAir France
Deal found 2/19$1,046
dom. 8/189:20 pmIAD - CWL
2 stops14h 25mAir France
sáb. 8/249:45 amCWL - IAD
2 stops18h 52mAir France
Deal found 2/20$1,047
dom. 5/195:25 pmIAD - CWL
1 stop18h 20mAir France
dom. 5/269:45 amCWL - IAD
1 stop10h 50mAir France
Deal found 2/19$1,055
dom. 8/189:20 pmIAD - CWL
2 stops14h 25mAir France
sáb. 8/245:15 pmCWL - IAD
1 stop27h 20mAir France
Deal found 2/19$1,082
dom. 8/189:20 pmIAD - CWL
2 stops14h 25mAir France
sáb. 8/245:15 pmCWL - IAD
1 stop27h 20mAir France
Deal found 2/20$1,083
jue. 8/85:25 pmIAD - CWL
1 stop18h 20mAir France
lun. 8/125:15 pmCWL - IAD
1 stop27h 45mAir France
Deal found 2/19$1,149

Cheap Washington, D.C. to Cardiff flights in February & March 2024

Find cheap flight options from Washington, D.C. to Cardiff specifically for the months of February and March 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,394,020 searches. Prices were last updated on febrero 20, 2024.
Listed are some of the best fares we've found on flights departing from Washington, D.C. to Cardiff in 2024. Check back in a little while for more flight options.
mié. 2/286:30 amDCA - CWL
2 stops22h 15mDelta
dom. 3/310:15 amCWL - DCA
2 stops18h 23mDelta
Deal found 2/19$780
mié. 3/2711:00 amDCA - CWL
2 stops18h 45mDelta
sáb. 4/69:45 amCWL - DCA
2 stops28h 35mDelta
Deal found 2/20$843
jue. 3/2811:00 amDCA - CWL
2 stops18h 45mDelta
sáb. 4/69:45 amCWL - DCA
2 stops30h 15mDelta
Deal found 2/20$893
jue. 3/282:30 pmDCA - CWL
2 stops15h 15mKLM
jue. 4/45:15 pmCWL - DCA
2 stops28h 34mKLM
Deal found 2/20$984
sáb. 3/303:00 pmDCA - CWL
2 stops13h 15mKLM
sáb. 4/69:45 amCWL - DCA
2 stops15h 33mKLM
Deal found 2/20$994
vie. 3/295:10 pmBWI - CWL
2 stops12h 35mKLM
jue. 4/45:15 pmCWL - BWI
2 stops29h 16mKLM
Deal found 2/20$1,072
jue. 3/282:30 pmDCA - CWL
2 stops15h 15mKLM
vie. 4/59:45 amCWL - DCA
2 stops14h 45mKLM
Deal found 2/20$1,109
vie. 3/295:10 pmBWI - CWL
2 stops12h 35mKLM
vie. 4/59:45 amCWL - BWI
2 stops15h 35mKLM
Deal found 2/20$1,234
vie. 3/294:20 pmDCA - CWL
2 stops13h 25mKLM
jue. 4/45:15 pmCWL - DCA
2 stops28h 34mKLM
Deal found 2/20$1,274

Washington, D.C. to Cardiff 2024 flight deals

Discover exclusive flight deals for travel between Washington, D.C. and Cardiff in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,394,020 searches. Data last updated febrero 20, 2024.
Listed are some of the best fares we've found on flights departing from Washington, D.C. to Cardiff in 2024. Check back in a little while for more flight options.
lun. 4/226:50 pmBWI - CWL
2 stops16h 55mKLM
mar. 4/309:45 amCWL - BWI
2 stops19h 53mKLM
Deal found 2/19$733
lun. 5/62:37 pmBWI - CWL
2 stops13h 38mKLM
vie. 5/179:45 amCWL - BWI
2 stops16h 50mKLM
Deal found 2/19$745
dom. 4/215:25 pmIAD - CWL
1 stop18h 20mAir France
dom. 4/289:45 amCWL - IAD
1 stop10h 50mAir France
Deal found 2/19$769
dom. 12/15:40 pmIAD - CWL
1 stop11h 05mKLM
dom. 12/810:15 amCWL - IAD
2 stops17h 28mKLM
Deal found 2/19$779
mié. 2/286:30 amDCA - CWL
2 stops22h 15mDelta
dom. 3/310:15 amCWL - DCA
2 stops18h 23mDelta
Deal found 2/19$780
mié. 4/175:50 pmIAD - CWL
1 stop17h 55mAir France
dom. 4/215:15 pmCWL - IAD
1 stop27h 20mAir France
Deal found 2/18$815
mié. 4/1712:21 pmIAD - CWL
2 stops15h 54mKLM
dom. 4/215:15 pmCWL - IAD
1 stop27h 20mKLM
Deal found 2/19$819
vie. 4/267:50 pmBWI - CWL
2 stops15h 55mAir France
mar. 4/305:15 pmCWL - BWI
2 stops36h 20mAir France
Deal found 2/18$829
mié. 4/1712:21 pmIAD - CWL
2 stops15h 54mKLM
dom. 4/219:45 amCWL - IAD
2 stops35h 37mKLM
Deal found 2/19$829

Washington, D.C. to Cardiff flights leaving soon

Find last-minute flight options from Washington, D.C. to Cardiff for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,394,020 searches. Data last updated febrero 20, 2024.
Check out these flights departing soon from Washington, D.C. to Cardiff. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
mié. 2/286:30 amDCA - CWL
2 stops22h 15mDelta
dom. 3/310:15 amCWL - DCA
2 stops18h 23mDelta
Deal found 2/19$780

One-way flights to Cardiff from Washington, D.C.

Search for one-way flight options from Washington, D.C. to Cardiff. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,394,020 searches. Data last updated febrero 20, 2024.
If you're seeking multiple options on one-way flights from Washington, D.C. to Cardiff, be sure to check out these deals, which are updated often. Users in need of a round-trip flight from Washington, D.C. to Cardiff instead should update the search form at the top of page.
dom. 8/1812:00 pmBWI - CWL
2 stops16h 15mDelta
Deal found 2/20$512
dom. 8/185:25 pmIAD - CWL
1 stop10h 50mKLM
Deal found 2/20$531
dom. 8/184:55 pmIAD - CWL
2 stops18h 50mAir France
Deal found 2/20$535

Find flights from Washington, D.C. to Cardiff within your budget

Customize your flight search to find flights from Washington, D.C. to Cardiff that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,394,020 searches. Data last updated febrero 20, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$733 - $1,096

Route

Depart

Return

Price

Baltimore/WashingtonCardiff Wales

BWI - CWL

BWICWL

Baltimore/Washington

lun. 4/22

2 stops16h 55m

Cardiff Wales

mar. 4/30

2 stops19h 53m

$733

Baltimore/WashingtonCardiff Wales

BWI - CWL

BWICWL

Baltimore/Washington

lun. 5/6

2 stops13h 38m

Cardiff Wales

vie. 5/17

2 stops16h 50m

$745

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

dom. 4/21

1 stop18h 20m

Cardiff Wales

dom. 4/28

1 stop10h 50m

$769

Washington, D.C. Reagan-NationalCardiff Wales

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

mié. 2/28

2 stops22h 15m

Cardiff Wales

dom. 3/3

2 stops18h 23m

$780

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

mié. 4/17

1 stop17h 55m

Cardiff Wales

dom. 4/21

1 stop27h 20m

$815

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

mié. 4/17

2 stops15h 54m

Cardiff Wales

dom. 4/21

1 stop27h 20m

$819

Baltimore/WashingtonCardiff Wales

BWI - CWL

BWICWL

Baltimore/Washington

dom. 8/18

2 stops18h 40m

Cardiff Wales

sáb. 8/24

2 stops18h 07m

$832

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

dom. 4/21

2 stops36h 15m

Cardiff Wales

dom. 4/28

2 stops47h 55m

$995

Baltimore/WashingtonCardiff Wales

BWI - CWL

BWICWL

Baltimore/Washington

dom. 4/21

2 stops33h 15m

Cardiff Wales

dom. 4/28

2 stops36h 20m

$1,096

Flights are sorted by cheapest first

Deals found on 2/19

When is the cheapest time to fly from Washington, D.C. to Cardiff?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Cardiff. Price data was last updated on February 18, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Washington, D.C. to Cardiff flight should consider departing on Thursday afternoons when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Cardiff by month

Plan your trip from Washington, D.C. to Cardiff by taking into account the cheapest months to travel. The average price of a one-way flight from Washington, D.C. to Cardiff is currently $526 while a round-trip flight costs $843. Price data was last updated on February 18, 2024.

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Cardiff (average of $708). Flying from Washington, D.C. to Cardiff in June is currently the most expensive (average of $1,505). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$708

February

$726

March

$796

April

$819

May

$859

June

$1,505

July

$1,315

August

$1,045

September

$909

October

$820

November

$923

December

$816

Reviews of airlines servicing Cardiff

Get insights into the airlines that provide service to Cardiff. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cardiff. Reviews last updated febrero 20, 2024.
To help decide which airline to fly from Washington, D.C. to Cardiff, see what other customers have to say about KLM, Air France and Delta. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
7.9
Good
3,045 reviews

Crew

8.5

Food

7.2

Boarding

8.0

Comfort

7.9

Entertainment

7.8

Overall

7.9

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

7.9
Good
3,045 reviews
7.9
Good
3,045 reviews

Crew

8.5

Food

7.2

Boarding

8.0

Comfort

7.9

Entertainment

7.8

Overall

7.9

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

7.6
Good
286 reviews
7.9
Good
3,045 reviews

Crew

8.5

Food

7.2

Boarding

8.0

Comfort

7.9

Entertainment

7.8

Overall

7.9

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

7.5
Good
209 reviews
7.9
Good
3,045 reviews

Crew

8.5

Food

7.2

Boarding

8.0

Comfort

7.9

Entertainment

7.8

Overall

7.9

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

6.5
Okay
1,156 reviews
7.9
Good
3,045 reviews

Crew

8.5

Food

7.2

Boarding

8.0

Comfort

7.9

Entertainment

7.8

Overall

7.9

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

Temperature and rainfall in Cardiff by month

Plan your trip to Cardiff by taking into account the average temperature and rainfall totals by month.

CWL

Temperature

39.2 - 64.4 °F

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Cardiff. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Cardiff from Washington, D.C.?

Located just 9.1 mi from the city center, Cardiff Wales is the airport most travelers will use when flying to Cardiff from Washington, D.C.. Booking flights from Washington, D.C. to Cardiff Wales (CWL) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. from 2 different airlines.

Can I find flights from Washington, D.C. to Cardiff for under $800 on Cheapflights?

Yes, there are multiple flights from Washington, D.C. to Cardiff for under $800. The cheapest flight booked recently is on KLM for just $733, but on average you can expect to pay $899.

Are there last-minute flights available from Washington, D.C. to Cardiff for under $800?

There are currently 1+ open flights from Washington, D.C. to Cardiff within the next 7 days for less than $800.

What are the cheapest airlines flying from Washington, D.C. to Cardiff round-trip?

Cheapflights users have booked flights from Washington, D.C. to Cardiff round-trip from $733. Other airlines that can offer you cheap pricing are Air France, from $769, and Delta, from $780. You may be able to fly from Washington, D.C. to Cardiff for 11% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from Washington, D.C. to Cardiff one-way?

To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $512. KLM flights start at $531 while deals on Air France start at $535 one-way.

What are the most popular routes from Washington, D.C. to Cardiff?

What does IAD to CWL mean?

IAD and CWL are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. IAD to CWL refers to a flight route from Washington, D.C. Dulles Intl Airport to Cardiff Wales Airport. Ready for more IATA code knowledge? These are related airports for your current travel destination: Baltimore/Washington Airport (BWI), Washington, D.C. Reagan-National Airport (DCA).

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington, D.C. to Cardiff
See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Washington, D.C. to Cardiff

Discover the top 2 airlines that operate flights from Washington, D.C. to Cardiff. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,394,020 searches. Data last updated febrero 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$656Average$935FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
KLMCheapest$726Average$910FlexibilityNo cancel feeOn-time75%
Search KLM flights

Search flights from Washington, D.C. to Cardiff by cabin class

Find flights from Washington, D.C. to Cardiff, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Washington, D.C. to Cardiff?

Deals for Washington, D.C. to Cardiff flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Washington, D.C. to Cardiff?

Cheapflights helps you find that perfect flight to Cardiff from Washington, D.C. by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Washington, D.C. to Cardiff with no change fees?

Yes! Cheapflights helps users easily find flights from Washington, D.C. to Cardiff with no change fees.

Can Cheapflights notify me if prices for flights from Washington, D.C. to Cardiff become cheaper?

Of course! You can now track prices for flights from Washington, D.C. to Cardiff and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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