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Cheap flights from Cardiff to Washington, D.C. from £599

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Cardiff to Washington, D.C. departing on 12/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Cardiff to Washington, D.C.

Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from Cardiff to Washington, D.C..
13:10 - 16:15CWL-IAD
32h 05m2 stops
14:25 - 15:55IAD-CWL
20h 30m2 stops
Mon, 12 May - Mon, 19 May
09:50 - 15:35CWL-IAD
10h 45m1 stop
17:25 - 09:15IAD-CWL
10h 50m1 stop
£650KLM
Find Deal
Mon, 12 May - Mon, 19 May
09:50 - 22:54CWL-IAD
18h 04m2 stops
17:25 - 09:15IAD-CWL
10h 50m1 stop
£654Delta
Find Deal
Mon, 12 May - Mon, 19 May
09:50 - 20:36CWL-DCA
15h 46m2 stops
11:10 - 09:15DCA-CWL
17h 05m2 stops
£654Delta
Find Deal
Mon, 12 May - Mon, 19 May
09:50 - 23:20CWL-BWI
18h 30m2 stops
09:55 - 09:15BWI-CWL
18h 20m2 stops
£718Delta
Find Deal
Mon, 12 May - Mon, 19 May
17:35 - 15:35CWL-IAD
27h 00m1 stop
17:25 - 16:50IAD-CWL
18h 25m1 stop
£769KLM
Find Deal
Sat, 28 Jun - Sat, 19 Jul
09:45 - 19:54CWL-DCA
15h 09m2 stops
12:00 - 09:15DCA-CWL
16h 15m2 stops
£774Delta
Find Deal
Sat, 28 Jun - Sat, 19 Jul
17:35 - 15:35CWL-IAD
27h 00m1 stop
21:20 - 16:50IAD-CWL
14h 30m2 stops
£788KLM
Find Deal
Sat, 28 Jun - Sat, 19 Jul
13:10 - 16:15CWL-IAD
32h 05m2 stops
14:25 - 19:45IAD-CWL
24h 20m3 stops
Mon, 12 May - Mon, 19 May
13:10 - 19:25CWL-BWI
35h 15m2 stops
10:18 - 15:55BWI-CWL
24h 37m3 stops
Mon, 12 May - Mon, 19 May

KLM flights from Cardiff to Washington, D.C.

Our best KLM deals on Cardiff to Washington, D.C. flight tickets
KLM
12 May
CWL09:50Cardiff Wales
10h 45m
1 stop
IAD15:35Washington, D.C. Dulles Intl
19 May
IAD17:25Washington, D.C. Dulles Intl
10h 50m
1 stop
CWL09:15Cardiff Wales
KLM
28 Jun
CWL17:35Cardiff Wales
27h 00m
1 stop
IAD15:35Washington, D.C. Dulles Intl
19 Jul
IAD17:25Washington, D.C. Dulles Intl
18h 25m
1 stop
CWL16:50Cardiff Wales
KLM
28 Jun
CWL17:35Cardiff Wales
27h 00m
1 stop
IAD15:35Washington, D.C. Dulles Intl
19 Jul
IAD21:20Washington, D.C. Dulles Intl
14h 30m
2 stops
CWL16:50Cardiff Wales

Delta flights from Cardiff to Washington, D.C.

Our best Delta deals on Cardiff to Washington, D.C. flight tickets
Delta
12 May
CWL09:50Cardiff Wales
18h 04m
2 stops
IAD22:54Washington, D.C. Dulles Intl
19 May
IAD17:25Washington, D.C. Dulles Intl
10h 50m
1 stop
CWL09:15Cardiff Wales
Delta
12 May
CWL09:50Cardiff Wales
18h 30m
2 stops
BWI23:20Baltimore/Washington
19 May
BWI09:55Baltimore/Washington
18h 20m
2 stops
CWL09:15Cardiff Wales
Delta
28 Jun
CWL09:45Cardiff Wales
15h 09m
2 stops
DCA19:54Washington, D.C. Reagan-National
19 Jul
DCA12:00Washington, D.C. Reagan-National
16h 15m
2 stops
CWL09:15Cardiff Wales

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Cardiff to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Cardiff is on a Monday. momondo users have found tickets for Monday departures for as low as £0. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Tuesday is the most expensive day to depart from Cardiff because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £731.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

At midday is the cheapest time of day to fly from Cardiff to Washington, D.C. when you can find flight prices for as low as £0. Flying to Washington, D.C. at midday is an ideal time because this is during off-peak travel hours. Flights to Washington, D.C. are more costly in the morning, with an average ticket price of £823. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Cardiff to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Cardiff to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Cardiff to Washington, D.C. (CWL to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cardiff to Washington, D.C.

Best price found

£599

Fastest flight time

10h 45m

Direct flights

None

Airports in Washington, D.C.

3 airports
The best flight deal from Cardiff to Washington, D.C. found on momondo in the last 72 hours is £599
The fastest flight from Cardiff to Washington, D.C. takes 10h 45m
There are no direct flights from Cardiff to Washington, D.C.. Popular non-direct routes for this connection are Cardiff Wales Airport - Baltimore/Washington Airport, Cardiff Wales Airport - Washington, D.C. Reagan-National Airport and Cardiff Wales Airport - Washington, D.C. Dulles Intl Airport.
There are 3 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD)

  • How far is Cardiff Wales to Washington, D.C. by plane?

    There are 3537.5 mi between Cardiff Wales and Washington, D.C.. 10h 45m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Cardiff Wales Airport to Washington, D.C.?

    Prices for flights from Cardiff Wales Airport to Washington, D.C. refresh daily.

  • How old do you have to be to fly from Cardiff Wales Airport to Washington, D.C.?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cardiff Wales Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The required travel and health documents for your Washington, D.C. trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.


Travelling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Laurel
Essex
National Harbor
Fairfax
Manassas
Bethesda
Oxon Hill
College Park
Hyattsville
Linthicum Heights
Gettysburg
Cambridge
Hanover
Ellicott City
Westminster
Arlington
Woodbridge
Owings Mills
Silver Spring

Why use momondo?

Why should I use momondo to find a flight deal from Cardiff to Washington, D.C.?

Finding the right flight to Washington, D.C. from Cardiff is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

Can I find flights from Cardiff to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Cardiff with this policy.

How can momondo help me find flights from Cardiff to Washington, D.C.?

momondo helps you find the best flight between Cardiff and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Cardiff to Washington, D.C. right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Cardiff to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.