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.

£406 Cheap Flights from Cardiff to District of Columbia in 2026

1 adult

0 bags

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Find the cheapest flights from Cardiff to District of Columbia

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

07:30 - 22:28

CWL

DCA

19h 58m

2 stops

18:55 - 10:15

DCA

CWL

10h 20m

1 stop

£649Multiple Airlines

Sat, 6 Jun - Fri, 12 Jun

07:30 - 21:55

CWL

DCA

19h 25m

3 stops

18:55 - 10:15

DCA

CWL

10h 20m

1 stop

£656Multiple Airlines

Sat, 6 Jun - Fri, 12 Jun

11:35 - 22:28

CWL

DCA

15h 53m

1 stop

11:00 - 10:15

DCA

CWL

18h 15m

1 stop

£674Multiple Airlines

Mon, 25 May - Wed, 9 Sep

11:35 - 22:28

CWL

DCA

15h 53m

1 stop

06:00 - 10:15

DCA

CWL

23h 15m

2 stops

£691Multiple Airlines

Mon, 25 May - Wed, 9 Sep

11:35 - 12:01

CWL

DCA

29h 26m

2 stops

06:00 - 10:15

DCA

CWL

23h 15m

2 stops

£701Multiple Airlines

Mon, 25 May - Wed, 9 Sep

11:35 - 18:13

CWL

DCA

11h 38m

1 stop

18:55 - 10:15

DCA

CWL

10h 20m

1 stop

£705Multiple Airlines

Sat, 6 Jun - Fri, 12 Jun

22:50 - 20:29

CWL

IAD

26h 39m

2 stops

08:18 - 10:15

IAD

CWL

20h 57m

2 stops

£711Multiple Airlines

Thu, 11 Jun - Wed, 17 Jun

11:35 - 07:44

CWL

IAD

25h 09m

2 stops

09:45 - 10:15

IAD

CWL

19h 30m

2 stops

£714Multiple Airlines

Mon, 25 May - Wed, 9 Sep

11:35 - 07:44

CWL

IAD

25h 09m

2 stops

16:00 - 10:15

IAD

CWL

13h 15m

1 stop

£720Multiple Airlines

Mon, 25 May - Wed, 9 Sep

22:50 - 21:13

CWL

IAD

27h 23m

3 stops

08:18 - 10:15

IAD

CWL

20h 57m

2 stops

£722Multiple Airlines

Thu, 11 Jun - Wed, 17 Jun

KLM flights from Cardiff to District of Columbia

Our best KLM deals on Cardiff to District of Columbia flight tickets

KLM

23 Jun

CWL09:45Cardiff Wales

10h 50m

1 stop

IAD15:35Washington, D.C. Dulles Intl

30 Jun

IAD17:40Washington, D.C. Dulles Intl

18h 05m

1 stop

CWL16:45Cardiff Wales

£919

KLM

6 Jun

CWL09:45Cardiff Wales

14h 50m

2 stops

IAD19:35Washington, D.C. Dulles Intl

12 Jun

IAD12:29Washington, D.C. Dulles Intl

15h 46m

2 stops

CWL09:15Cardiff Wales

£4,408

WestJet flights from Cardiff to District of Columbia

Our best WestJet deals on Cardiff to District of Columbia flight tickets

WestJet

18 Jun

CWL11:35Cardiff Wales

35h 35m

2 stops

IAD18:10Washington, D.C. Dulles Intl

22 Jun

IAD19:00Washington, D.C. Dulles Intl

58h 15m

2 stops

CWL10:15Cardiff Wales

£1,253

WestJet

18 Jun

CWL11:35Cardiff Wales

35h 35m

2 stops

IAD18:10Washington, D.C. Dulles Intl

22 Jun

IAD19:00Washington, D.C. Dulles Intl

58h 15m

2 stops

CWL10:15Cardiff Wales

£1,255

WestJet

18 Jun

CWL11:35Cardiff Wales

35h 35m

2 stops

IAD18:10Washington, D.C. Dulles Intl

22 Jun

IAD19:00Washington, D.C. Dulles Intl

58h 15m

2 stops

CWL10:15Cardiff Wales

£1,322

momondo Fare Finder

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

Cheapest return flight

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

Sat 6/6

07:30-22:28

2 stops19h 58m

Washington, D.C. Reagan-National

Fri 12/6

18:55-10:15

1 stop10h 20m

£649

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

Sat 6/6

07:30-21:55

3 stops19h 25m

Washington, D.C. Reagan-National

Fri 12/6

18:55-10:15

1 stop10h 20m

£656

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

Mon 25/5

11:35-22:28

1 stop15h 53m

Washington, D.C. Reagan-National

Wed 9/9

11:00-10:15

1 stop18h 15m

£674

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

Mon 25/5

11:35-22:28

1 stop15h 53m

Washington, D.C. Reagan-National

Wed 9/9

06:00-10:15

2 stops23h 15m

£691

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

Mon 25/5

11:35-12:01

2 stops29h 26m

Washington, D.C. Reagan-National

Wed 9/9

06:00-10:15

2 stops23h 15m

£701

Fastest return journey

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

Sat 6/6

11:35-18:13

1 stop11h 38m

Washington, D.C. Reagan-National

Fri 12/6

18:55-10:15

1 stop10h 20m

£705

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Thu 11/6

22:50-20:29

2 stops26h 39m

Washington, D.C. Dulles Intl

Wed 17/6

08:18-10:15

2 stops20h 57m

£711

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Mon 25/5

11:35-07:44

2 stops25h 09m

Washington, D.C. Dulles Intl

Wed 9/9

09:45-10:15

2 stops19h 30m

£714

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Mon 25/5

11:35-07:44

2 stops25h 09m

Washington, D.C. Dulles Intl

Wed 9/9

16:00-10:15

1 stop13h 15m

£720

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Thu 11/6

22:50-21:13

3 stops27h 23m

Washington, D.C. Dulles Intl

Wed 17/6

08:18-10:15

2 stops20h 57m

£722

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

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

What is the cheapest airline that flies from Cardiff Wales to District of Columbia?

Delta is the most popular carrier operating from Cardiff Wales to District of Columbia

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

Fastest flight time	15h 53m
Direct flights	None

The fastest flight from Cardiff to District of Columbia takes 15h 53m

There are no direct flights from Cardiff to District of Columbia. There are no popular flight routes from Cardiff to District of Columbia.

Search flight deals

Frequently asked questions about flying from Cardiff to District of Columbia

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.