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Cheap flights from District of Columbia to Cardiff from £453

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to Cardiff departing on 25/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from District of Columbia to Cardiff

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
17:05 - 10:05
IAD
-
CWL
12h 00m
1 stop
Multiple Airlines Logo
17:25 - 19:30
CWL
-
IAD
31h 05m
2 stops
£453Multiple Airlines
Wed, 25 Feb - Wed, 4 Mar
KLM Logo
18:05 - 16:55
IAD
-
CWL
17h 50m
1 stop
KLM Logo
17:25 - 16:05
CWL
-
IAD
27h 40m
1 stop
£561KLM
Wed, 25 Feb - Wed, 4 Mar
KLM Logo
13:40 - 09:50
DCA
-
CWL
15h 10m
2 stops
KLM Logo
10:20 - 23:43
CWL
-
DCA
18h 23m
2 stops
£566KLM
Wed, 25 Feb - Wed, 4 Mar
KLM Logo
12:38 - 09:50
IAD
-
CWL
16h 12m
2 stops
KLM Logo
10:20 - 19:09
CWL
-
IAD
13h 49m
2 stops
£566KLM
Wed, 25 Feb - Wed, 4 Mar
KLM Logo
18:05 - 09:50
IAD
-
CWL
10h 45m
1 stop
KLM Logo
17:25 - 16:05
CWL
-
IAD
27h 40m
1 stop
£572KLM
Thu, 26 Feb - Thu, 5 Mar
Virgin Atlantic Logo
13:19 - 09:50
IAD
-
CWL
16h 31m
2 stops
Virgin Atlantic Logo
17:25 - 17:05
CWL
-
IAD
27h 40m
1 stop
£576Virgin Atlantic
Thu, 19 Mar - Tue, 24 Mar
Multiple Airlines Logo
18:05 - 19:40
IAD
-
CWL
21h 35m
1 stop
Multiple Airlines Logo
17:40 - 19:10
CWL
-
IAD
30h 30m
2 stops
£578Multiple Airlines
Fri, 20 Mar - Sun, 29 Mar
Virgin Atlantic Logo
18:05 - 09:50
IAD
-
CWL
10h 45m
1 stop
Virgin Atlantic Logo
10:20 - 00:21
CWL
-
IAD
19h 01m
2 stops
£580Virgin Atlantic
Thu, 26 Feb - Thu, 5 Mar
Delta Logo
12:24 - 09:50
IAD
-
CWL
16h 26m
2 stops
Delta Logo
10:20 - 23:09
CWL
-
IAD
17h 49m
2 stops
£583Delta
Thu, 26 Feb - Thu, 5 Mar
Delta Logo
19:59 - 09:50
IAD
-
CWL
33h 51m
2 stops
Delta Logo
09:50 - 00:31
CWL
-
IAD
43h 41m
2 stops
£588Delta
Sat, 21 Mar - Sun, 29 Mar

KLM flights from District of Columbia to Cardiff

Our best KLM deals on District of Columbia to Cardiff flight tickets
KLM
11 Feb
IAD12:40Washington, D.C. Dulles Intl
16h 10m
2 stops
CWL09:50Cardiff Wales
18 Feb
CWL17:25Cardiff Wales
27h 40m
1 stop
IAD16:05Washington, D.C. Dulles Intl
£561
KLM
11 Feb
DCA13:40Washington, D.C. Reagan-National
15h 10m
2 stops
CWL09:50Cardiff Wales
18 Feb
CWL10:20Cardiff Wales
17h 37m
2 stops
DCA22:57Washington, D.C. Reagan-National
£566
KLM
26 Feb
IAD18:05Washington, D.C. Dulles Intl
10h 45m
1 stop
CWL09:50Cardiff Wales
5 Mar
CWL17:25Cardiff Wales
27h 40m
1 stop
IAD16:05Washington, D.C. Dulles Intl
£572

Delta flights from District of Columbia to Cardiff

Our best Delta deals on District of Columbia to Cardiff flight tickets
Delta
26 Feb
IAD12:24Washington, D.C. Dulles Intl
16h 26m
2 stops
CWL09:50Cardiff Wales
5 Mar
CWL10:20Cardiff Wales
17h 49m
2 stops
IAD23:09Washington, D.C. Dulles Intl
£583
Delta
18 Jan
DCA14:35Washington, D.C. Reagan-National
14h 15m
2 stops
CWL09:50Cardiff Wales
3 Feb
CWL10:20Cardiff Wales
16h 03m
2 stops
DCA21:23Washington, D.C. Reagan-National
£585
Delta
16 Jan
DCA12:55Washington, D.C. Reagan-National
15h 55m
2 stops
CWL09:50Cardiff Wales
18 Jan
CWL10:15Cardiff Wales
17h 33m
2 stops
DCA22:48Washington, D.C. Reagan-National
£593

momondo Fare Finder

 
Customise your flight search to find flights from District of Columbia 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, momondo users made 279,928 searches. Data last updated 13 January 2026.
Use the filters below to find and compare flights from District of Columbia to Cardiff that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Wed 25/2

17:05-10:05

1 stop12h 00m

Cardiff Wales

Wed 4/3

17:25-19:30

2 stops31h 05m

£453

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Wed 25/2

18:05-16:55

1 stop17h 50m

Cardiff Wales

Wed 4/3

17:25-16:05

1 stop27h 40m

£561

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Wed 25/2

13:40-09:50

2 stops15h 10m

Cardiff Wales

Wed 4/3

10:20-23:43

2 stops18h 23m

£566

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Wed 25/2

12:38-09:50

2 stops16h 12m

Cardiff Wales

Wed 4/3

10:20-19:09

2 stops13h 49m

£566

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Thu 26/2

18:05-09:50

1 stop10h 45m

Cardiff Wales

Thu 5/3

17:25-16:05

1 stop27h 40m

£572

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Thu 19/3

13:19-09:50

2 stops16h 31m

Cardiff Wales

Tue 24/3

17:25-17:05

1 stop27h 40m

£576

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Fri 20/3

18:05-19:40

1 stop21h 35m

Cardiff Wales

Sun 29/3

17:40-19:10

2 stops30h 30m

£578

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Thu 26/2

18:05-09:50

1 stop10h 45m

Cardiff Wales

Thu 5/3

10:20-00:21

2 stops19h 01m

£580

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Thu 26/2

12:24-09:50

2 stops16h 26m

Cardiff Wales

Thu 5/3

10:20-23:09

2 stops17h 49m

£583

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Sat 21/3

19:59-09:50

2 stops33h 51m

Cardiff Wales

Sun 29/3

09:50-00:31

2 stops43h 41m

£588

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

Cheap District of Columbia to Cardiff flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Cardiff

Fastest flight time

10h 35m

Direct flights

None
The fastest flight from District of Columbia to Cardiff takes 10h 35m
There are no direct flights from District of Columbia to Cardiff. There are no popular flight routes from District of Columbia to Cardiff.
Search flight deals

  • When did momondo last update prices for flights from District of Columbia to Cardiff Wales Airport?

    Prices for flights from District of Columbia to Cardiff Wales Airport are updated daily.

  • How old do you have to be to fly from District of Columbia to Cardiff Wales Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from District of Columbia to Cardiff Wales Airport.

  • What documentation or ID do you need to fly to Cardiff Wales Airport?

    The travel and health documents required for your trip to Cardiff Wales Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Cardiff Wales Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • How do I get Price Alerts for flights from District of Columbia to Cardiff?

    Price Alerts will notify you by email when the price for flights to Cardiff from District of Columbia decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from District of Columbia to Cardiff with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Travelling to a place near Cardiff?

Book flights to Cardiff if you plan to visit one of these locations
Barry
Bridgend

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to Cardiff?

It is quick and easy to find District of Columbia to Cardiff flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Cardiff that suits you.

Can I find flights from District of Columbia to Cardiff with flexible booking policies on momondo?

momondo does allow users to show only those flights to Cardiff from District of Columbia which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from District of Columbia to Cardiff?

momondo provides multiple filters to help you find the best flight to Cardiff from District of Columbia. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from District of Columbia to Cardiff right now. Can momondo alert me if prices change?

If you are not ready to book a flight from District of Columbia to Cardiff now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Cardiff and let you know when they change.

An easier way to manage your Cardiff trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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Find better results for your trip to the United Kingdom

Airports servicing Wales

Holyhead Anglesey Airport