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Cheap flights from District of Columbia to Cardiff from £543

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 6/3. 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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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
19:40 - 22:55IAD-CWL
22h 15m2 stops
Multiple Airlines Logo
23:30 - 19:30CWL-IAD
24h 00m2 stops
£543Multiple Airlines
Find Deal
Fri, 6 Mar - Mon, 9 Mar
Multiple Airlines Logo
19:40 - 16:45IAD-CWL
16h 05m2 stops
Multiple Airlines Logo
17:25 - 18:30CWL-IAD
30h 05m2 stops
£582Multiple Airlines
Find Deal
Thu, 8 Jan - Thu, 15 Jan
Virgin Atlantic Logo
18:05 - 16:55IAD-CWL
17h 50m1 stop
Virgin Atlantic Logo
17:30 - 16:05CWL-IAD
27h 35m1 stop
£594Virgin Atlantic
Find Deal
Wed, 25 Feb - Sun, 1 Mar
Virgin Atlantic Logo
18:05 - 09:50IAD-CWL
10h 45m1 stop
Virgin Atlantic Logo
17:30 - 16:05CWL-IAD
27h 35m1 stop
£595Virgin Atlantic
Find Deal
Wed, 25 Feb - Sun, 1 Mar
Virgin Atlantic Logo
12:55 - 09:50DCA-CWL
15h 55m2 stops
Virgin Atlantic Logo
10:20 - 10:28CWL-DCA
29h 08m2 stops
£595Virgin Atlantic
Find Deal
Thu, 8 Jan - Thu, 15 Jan
Virgin Atlantic Logo
06:00 - 16:55IAD-CWL
29h 55m2 stops
Virgin Atlantic Logo
17:30 - 16:05CWL-IAD
27h 35m1 stop
£597Virgin Atlantic
Find Deal
Wed, 25 Feb - Sun, 1 Mar
KLM Logo
18:05 - 09:50IAD-CWL
10h 45m1 stop
KLM Logo
10:20 - 23:06CWL-IAD
17h 46m2 stops
£600KLM
Find Deal
Thu, 8 Jan - Thu, 15 Jan
KLM Logo
17:40 - 09:15IAD-CWL
10h 35m1 stop
KLM Logo
09:45 - 15:35CWL-IAD
10h 50m1 stop
£605KLM
Find Deal
Wed, 8 Apr - Fri, 17 Apr
Delta Logo
06:00 - 09:50DCA-CWL
22h 50m2 stops
Delta Logo
10:20 - 22:48CWL-DCA
17h 28m2 stops
£605Delta
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Fri, 16 Jan - Tue, 20 Jan
Delta Logo
07:00 - 16:55IAD-CWL
28h 55m2 stops
Delta Logo
10:20 - 16:28CWL-IAD
35h 08m2 stops
£605Delta
Find Deal
Wed, 25 Feb - Sun, 1 Mar

Delta flights from District of Columbia to Cardiff

Our best Delta deals on District of Columbia to Cardiff flight tickets
Delta
27 Nov
IAD18:05Washington, D.C. Dulles Intl
10h 45m
1 stop
CWL09:50Cardiff Wales
9 Dec
CWL10:20Cardiff Wales
42h 52m
2 stops
IAD00:12Washington, D.C. Dulles Intl
£595
Find similar
Delta
25 Nov
IAD11:50Washington, D.C. Dulles Intl
17h 00m
2 stops
CWL09:50Cardiff Wales
12 Dec
CWL10:20Cardiff Wales
13h 59m
2 stops
IAD19:19Washington, D.C. Dulles Intl
£599
Find similar
Delta
13 Apr
IAD17:40Washington, D.C. Dulles Intl
18h 05m
1 stop
CWL16:45Cardiff Wales
23 Apr
CWL09:50Cardiff Wales
10h 45m
1 stop
IAD15:35Washington, D.C. Dulles Intl
£605
Find similar

Virgin Atlantic flights from District of Columbia to Cardiff

Our best Virgin Atlantic deals on District of Columbia to Cardiff flight tickets
Virgin Atlantic
25 Feb
IAD18:05Washington, D.C. Dulles Intl
17h 50m
1 stop
CWL16:55Cardiff Wales
1 Mar
CWL17:30Cardiff Wales
27h 35m
1 stop
IAD16:05Washington, D.C. Dulles Intl
£594
Find similar
Virgin Atlantic
8 Jan
DCA12:55Washington, D.C. Reagan-National
15h 55m
2 stops
CWL09:50Cardiff Wales
15 Jan
CWL10:20Cardiff Wales
29h 08m
2 stops
DCA10:28Washington, D.C. Reagan-National
£595
Find similar
Virgin Atlantic
25 Feb
IAD07:00Washington, D.C. Dulles Intl
28h 55m
2 stops
CWL16:55Cardiff Wales
1 Mar
CWL17:30Cardiff Wales
27h 35m
1 stop
IAD16:05Washington, D.C. Dulles Intl
£597
Find similar

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 25 November 2025.
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

Fri 6/3

19:40-22:55

2 stops22h 15m

Cardiff Wales

Mon 9/3

23:30-19:30

2 stops24h 00m

£543

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Thu 8/1

19:40-16:45

2 stops16h 05m

Cardiff Wales

Thu 15/1

17:25-18:30

2 stops30h 05m

£582

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Wed 25/2

18:05-16:55

1 stop17h 50m

Cardiff Wales

Sun 1/3

17:30-16:05

1 stop27h 35m

£594

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Wed 25/2

18:05-09:50

1 stop10h 45m

Cardiff Wales

Sun 1/3

17:30-16:05

1 stop27h 35m

£595

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Thu 8/1

12:55-09:50

2 stops15h 55m

Cardiff Wales

Thu 15/1

10:20-10:28

2 stops29h 08m

£595

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Wed 25/2

06:00-16:55

2 stops29h 55m

Cardiff Wales

Sun 1/3

17:30-16:05

1 stop27h 35m

£597

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Thu 8/1

18:05-09:50

1 stop10h 45m

Cardiff Wales

Thu 15/1

10:20-23:06

2 stops17h 46m

£600

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Wed 8/4

17:40-09:15

1 stop10h 35m

Cardiff Wales

Fri 17/4

09:45-15:35

1 stop10h 50m

£605

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Fri 16/1

06:00-09:50

2 stops22h 50m

Cardiff Wales

Tue 20/1

10:20-22:48

2 stops17h 28m

£605

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Wed 25/2

07:00-16:55

2 stops28h 55m

Cardiff Wales

Sun 1/3

10:20-16:28

2 stops35h 08m

£605

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

Direct flights

None
There are no direct flights from District of Columbia to Cardiff. There are no popular flight routes from District of Columbia to Cardiff.
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  • 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