Cheap flights from District of Columbia to Cardiff from £576
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/11. Fares are subject to change and may not be available on all flights or dates of travel.
Find flight deals from District of Columbia to Cardiff
Cheapest flights from District of Columbia to CardiffExplore the most affordable flight options available from District of Columbia to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 2025.
Explore the most affordable flight options available from District of Columbia to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 2025.
Cheapflights Fare Finder
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 19/11
18:05-09:50
1 stop10h 45m
Cardiff Wales
Mon 8/12
17:15-16:05
1 stop27h 50m
Washington, D.C.Cardiff
IAD - CWL
IADCWL
Washington, D.C. Dulles Intl
Sat 28/2
18:05-09:50
1 stop10h 45m
Cardiff Wales
Sun 8/3
17:30-17:05
1 stop27h 35m
Washington, D.C.Cardiff
IAD - CWL
IADCWL
Washington, D.C. Dulles Intl
Wed 19/11
18:05-16:55
1 stop17h 50m
Cardiff Wales
Mon 8/12
10:20-19:19
2 stops13h 59m
Washington, D.C.Cardiff
IAD - CWL
IADCWL
Washington, D.C. Dulles Intl
Wed 12/11
18:05-16:55
1 stop17h 50m
Cardiff Wales
Sun 16/11
10:20-19:08
2 stops13h 48m
Washington, D.C.Cardiff
DCA - CWL
DCACWL
Washington, D.C. Reagan-National
Wed 19/11
12:39-09:50
2 stops16h 11m
Cardiff Wales
Mon 8/12
10:20-23:58
2 stops18h 38m
Washington, D.C.Cardiff
DCA - CWL
DCACWL
Washington, D.C. Reagan-National
Wed 3/12
11:13-09:50
2 stops17h 37m
Cardiff Wales
Sun 7/12
10:20-23:58
2 stops18h 38m
Washington, D.C.Cardiff
DCA - CWL
DCACWL
Washington, D.C. Reagan-National
Sat 28/2
11:00-09:50
2 stops17h 50m
Cardiff Wales
Sun 8/3
10:20-23:08
2 stops16h 48m
Washington, D.C.Cardiff
IAD - CWL
IADCWL
Washington, D.C. Dulles Intl
Wed 12/11
18:05-09:50
1 stop10h 45m
Cardiff Wales
Sun 16/11
17:30-16:05
1 stop27h 35m
Best time to book a flight from District of Columbia to Cardiff
Have a flexible travel schedule? Discover the best time to fly to Cardiff from District of Columbia with our price prediction graph.
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Related info for your journey
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Travelling to a place near Cardiff?
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Alternative routes for District of Columbia to Cardiff
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Why should you use Cheapflights to find cheap flight tickets from District of Columbia to Cardiff?
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Can Cheapflights find flights from District of Columbia to Cardiff with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from District of Columbia to Cardiff, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from District of Columbia to Cardiff become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Cardiff from District of Columbia today and book when prices fit your budget.