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Cheap flights from Cardiff to District of Columbia from £782

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 District of Columbia departing on 19/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Cardiff to District of Columbia

Cheap return flights

Enter your travel dates to find the best prices.
Virgin Atlantic Logo
10:20 - 09:11CWL-IAD
27h 51m2 stops
Virgin Atlantic Logo
13:00 - 16:55IAD-CWL
22h 55m2 stops
£782Virgin Atlantic
Find Deal
Thu, 19 Feb - Mon, 23 Feb
Delta Logo
10:20 - 12:00CWL-IAD
30h 40m2 stops
Delta Logo
18:05 - 09:50IAD-CWL
10h 45m1 stop
£803Delta
Find Deal
Thu, 19 Feb - Mon, 23 Feb
Delta Logo
10:20 - 23:08CWL-DCA
17h 48m2 stops
Delta Logo
12:59 - 09:50DCA-CWL
15h 51m2 stops
£803Delta
Find Deal
Thu, 19 Feb - Mon, 23 Feb

momondo Fare Finder

 
Customise your flight search to find flights from Cardiff to District of Columbia 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 7 October 2025.
Use the filters below to find and compare flights from Cardiff to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Thu 19/2

10:20-09:11

2 stops27h 51m

Washington, D.C. Dulles Intl

Mon 23/2

13:00-16:55

2 stops22h 55m

£782

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Thu 19/2

10:20-12:00

2 stops30h 40m

Washington, D.C. Dulles Intl

Mon 23/2

18:05-09:50

1 stop10h 45m

£803

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

Thu 19/2

10:20-23:08

2 stops17h 48m

Washington, D.C. Reagan-National

Mon 23/2

12:59-09:50

2 stops15h 51m

£803

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to District of Columbia from

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

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

Which airlines fly to District of Columbia?

Aer Lingus, KLM and Virgin Atlantic are the top three most popular airlines that fly to District of Columbia from Cardiff according to our data. Aer Lingus is the first choice among our users, with 58% of people opting to fly with this airline when travelling to District of Columbia. Keep in mind that there are 3 different airlines that fly to District of Columbia on a routine basis, so you have a few additional options to choose from.

Cheap Cardiff to District of Columbia flight deals and tips

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

Direct flights

None
There are no direct flights from Cardiff to District of Columbia. There are no popular flight routes from Cardiff to District of Columbia.
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  • When did momondo last update prices for flights from Cardiff Wales Airport to District of Columbia?

    Prices for flights from Cardiff Wales Airport to District of Columbia are refreshed on a daily basis.

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

    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 Cardiff Wales Airport to District of Columbia.

  • What documentation or ID do you need to fly to District of Columbia?

    The required travel and health documents for your District of Columbia 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 District of Columbia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Cardiff to District of Columbia. momondo saves you time and could save you money on your trip.

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

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

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

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

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

Price alerts on flights to District of Columbia from Cardiff are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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