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Cheap flights from District of Columbia to Cardiff from £237

This is the cheapest one-way 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 15/7. 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.
Virgin Atlantic Logo
18:10 - 09:15
IAD
-
CWL
10h 05m
1 stop
Virgin Atlantic Logo
09:45 - 15:35
CWL
-
IAD
10h 50m
1 stop
£592Virgin Atlantic
Wed, 8 Apr - Wed, 15 Apr
Delta Logo
18:10 - 09:15
IAD
-
CWL
10h 05m
1 stop
Delta Logo
09:45 - 23:03
CWL
-
IAD
18h 18m
2 stops
£599Delta
Wed, 8 Apr - Wed, 15 Apr
Delta Logo
11:00 - 09:15
DCA
-
CWL
17h 15m
2 stops
Delta Logo
09:45 - 22:22
CWL
-
DCA
17h 37m
2 stops
£602Delta
Wed, 8 Apr - Wed, 15 Apr
Multiple Airlines Logo
17:40 - 09:15
IAD
-
CWL
10h 35m
1 stop
Multiple Airlines Logo
09:45 - 15:35
CWL
-
IAD
10h 50m
1 stop
£619Multiple Airlines
Thu, 9 Apr - Thu, 16 Apr
Scandinavian Airlines Logo
17:05 - 16:55
DCA
-
CWL
19h 50m
2 stops
Scandinavian Airlines Logo
09:50 - 22:36
CWL
-
DCA
41h 46m
2 stops
£628Scandinavian Airlines
Wed, 25 Mar - Sun, 29 Mar
Delta Logo
17:40 - 09:15
IAD
-
CWL
10h 35m
1 stop
Delta Logo
09:45 - 15:35
CWL
-
IAD
10h 50m
1 stop
£639Delta
Thu, 9 Apr - Thu, 16 Apr
KLM Logo
13:19 - 09:15
IAD
-
CWL
14h 56m
2 stops
KLM Logo
17:15 - 15:35
CWL
-
IAD
27h 20m
1 stop
£640KLM
Thu, 9 Apr - Thu, 16 Apr
Delta Logo
13:19 - 09:15
IAD
-
CWL
14h 56m
2 stops
Delta Logo
09:45 - 23:03
CWL
-
IAD
18h 18m
2 stops
£642Delta
Wed, 8 Apr - Wed, 15 Apr
Multiple Airlines Logo
17:15 - 22:00
IAD
-
CWL
23h 45m
1 stop
Multiple Airlines Logo
17:40 - 19:25
CWL
-
IAD
30h 45m
2 stops
£659Multiple Airlines
Sun, 12 Apr - Sun, 19 Apr
KLM Logo
17:40 - 09:15
IAD
-
CWL
10h 35m
1 stop
KLM Logo
17:15 - 15:35
CWL
-
IAD
27h 20m
1 stop
£724KLM
Sun, 12 Apr - Sun, 19 Apr

Virgin Atlantic flights from District of Columbia to Cardiff

Our best Virgin Atlantic deals on District of Columbia to Cardiff flight tickets
Virgin Atlantic
8 Apr
IAD18:10Washington, D.C. Dulles Intl
10h 05m
1 stop
CWL09:15Cardiff Wales
15 Apr
CWL09:45Cardiff Wales
10h 50m
1 stop
IAD15:35Washington, D.C. Dulles Intl
£592
Virgin Atlantic
9 Apr
IAD12:47Washington, D.C. Dulles Intl
15h 28m
2 stops
CWL09:15Cardiff Wales
16 Apr
CWL09:45Cardiff Wales
16h 07m
2 stops
IAD20:52Washington, D.C. Dulles Intl
£649
Virgin Atlantic
27 Feb
IAD18:05Washington, D.C. Dulles Intl
10h 45m
1 stop
CWL09:50Cardiff Wales
6 Mar
CWL10:20Cardiff Wales
19h 01m
2 stops
IAD00:21Washington, D.C. Dulles Intl
£670

Delta flights from District of Columbia to Cardiff

Our best Delta deals on District of Columbia to Cardiff flight tickets
Delta
27 Feb
DCA11:06Washington, D.C. Reagan-National
17h 44m
2 stops
CWL09:50Cardiff Wales
6 Mar
CWL10:20Cardiff Wales
17h 37m
2 stops
DCA22:57Washington, D.C. Reagan-National
£592
Delta
8 Apr
IAD18:10Washington, D.C. Dulles Intl
10h 05m
1 stop
CWL09:15Cardiff Wales
15 Apr
CWL09:45Cardiff Wales
18h 18m
2 stops
IAD23:03Washington, D.C. Dulles Intl
£599
Delta
8 Apr
DCA11:00Washington, D.C. Reagan-National
17h 15m
2 stops
CWL09:15Cardiff Wales
15 Apr
CWL09:45Cardiff Wales
17h 37m
2 stops
DCA22:22Washington, D.C. Reagan-National
£602

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 26 February 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 8/4

18:10-09:15

1 stop10h 05m

Cardiff Wales

Wed 15/4

09:45-15:35

1 stop10h 50m

£592

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Wed 8/4

18:10-09:15

1 stop10h 05m

Cardiff Wales

Wed 15/4

09:45-23:03

2 stops18h 18m

£599

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Wed 8/4

11:00-09:15

2 stops17h 15m

Cardiff Wales

Wed 15/4

09:45-22:22

2 stops17h 37m

£602

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Thu 9/4

17:40-09:15

1 stop10h 35m

Cardiff Wales

Thu 16/4

09:45-15:35

1 stop10h 50m

£619

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Wed 25/3

17:05-16:55

2 stops19h 50m

Cardiff Wales

Sun 29/3

09:50-22:36

2 stops41h 46m

£628

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Thu 9/4

17:40-09:15

1 stop10h 35m

Cardiff Wales

Thu 16/4

09:45-15:35

1 stop10h 50m

£639

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Thu 9/4

13:19-09:15

2 stops14h 56m

Cardiff Wales

Thu 16/4

17:15-15:35

1 stop27h 20m

£640

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Wed 8/4

13:19-09:15

2 stops14h 56m

Cardiff Wales

Wed 15/4

09:45-23:03

2 stops18h 18m

£642

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Sun 12/4

17:15-22:00

1 stop23h 45m

Cardiff Wales

Sun 19/4

17:40-19:25

2 stops30h 45m

£659

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Sun 12/4

17:40-09:15

1 stop10h 35m

Cardiff Wales

Sun 19/4

17:15-15:35

1 stop27h 20m

£724

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Cardiff from

How to get the cheapest flight ticket from District of Columbia to Cardiff

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 airline that flies from District of Columbia to Cardiff Wales?

KLM and Delta are the most popular carriers operating from District of Columbia to Cardiff Wales

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

17h 15m

Direct flights

None
The fastest flight from District of Columbia to Cardiff takes 17h 15m
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.

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