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.

£356 Cheap Flights from Cardiff to District of Columbia in 2026

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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.

22:10 - 15:35

CWL

IAD

22h 25m

2 stops

21:45 - 22:50

IAD

CWL

20h 05m

2 stops

£512Multiple Airlines

Mon, 13 Apr - Mon, 20 Apr

17:15 - 19:20

CWL

IAD

31h 05m

3 stops

20:30 - 22:50

IAD

CWL

21h 20m

2 stops

£624Multiple Airlines

Mon, 13 Apr - Mon, 20 Apr

17:15 - 15:10

CWL

IAD

26h 55m

3 stops

20:30 - 22:50

IAD

CWL

21h 20m

3 stops

£634Multiple Airlines

Mon, 13 Apr - Mon, 20 Apr

16:55 - 19:00

CWL

IAD

31h 05m

2 stops

17:15 - 22:20

IAD

CWL

24h 05m

1 stop

£763Multiple Airlines

Thu, 30 Apr - Thu, 7 May

09:45 - 15:35

CWL

IAD

10h 50m

1 stop

18:10 - 16:45

IAD

CWL

17h 35m

1 stop

£782Virgin Atlantic

Mon, 13 Apr - Mon, 20 Apr

09:45 - 22:50

CWL

DCA

18h 05m

2 stops

11:00 - 09:15

DCA

CWL

17h 15m

2 stops

£786Delta

Mon, 13 Apr - Mon, 20 Apr

09:45 - 15:35

CWL

IAD

10h 50m

1 stop

17:40 - 09:15

IAD

CWL

10h 35m

1 stop

£791KLM

Thu, 30 Apr - Thu, 7 May

09:45 - 15:35

CWL

IAD

10h 50m

1 stop

12:45 - 09:15

IAD

CWL

15h 30m

2 stops

£810Delta

Mon, 13 Apr - Mon, 20 Apr

17:35 - 15:35

CWL

IAD

27h 00m

1 stop

17:40 - 16:45

IAD

CWL

18h 05m

1 stop

£837Air France

Sat, 25 Apr - Sat, 2 May

09:45 - 22:41

CWL

DCA

17h 56m

2 stops

14:15 - 09:15

DCA

CWL

14h 00m

2 stops

£975KLM

Sat, 25 Apr - Sat, 2 May

Virgin Atlantic flights from Cardiff to District of Columbia

Our best Virgin Atlantic deals on Cardiff to District of Columbia flight tickets

Virgin Atlantic

13 Apr

CWL09:45Cardiff Wales

10h 50m

1 stop

IAD15:35Washington, D.C. Dulles Intl

20 Apr

IAD18:10Washington, D.C. Dulles Intl

17h 35m

1 stop

CWL16:45Cardiff Wales

£782

Virgin Atlantic

25 Apr

CWL09:45Cardiff Wales

10h 50m

1 stop

IAD15:35Washington, D.C. Dulles Intl

2 May

IAD06:00Washington, D.C. Dulles Intl

22h 15m

2 stops

CWL09:15Cardiff Wales

£853

Virgin Atlantic

25 Apr

CWL09:45Cardiff Wales

19h 42m

2 stops

IAD00:27Washington, D.C. Dulles Intl

2 May

IAD06:00Washington, D.C. Dulles Intl

22h 15m

2 stops

CWL09:15Cardiff Wales

£892

KLM flights from Cardiff to District of Columbia

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

KLM

30 Apr

CWL09:45Cardiff Wales

10h 50m

1 stop

IAD15:35Washington, D.C. Dulles Intl

7 May

IAD17:40Washington, D.C. Dulles Intl

10h 35m

1 stop

CWL09:15Cardiff Wales

£791

KLM

25 Apr

CWL09:45Cardiff Wales

17h 56m

2 stops

DCA22:41Washington, D.C. Reagan-National

2 May

DCA14:15Washington, D.C. Reagan-National

14h 00m

2 stops

CWL09:15Cardiff Wales

£975

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 - IAD

CWLIAD

Cardiff Wales

Mon 13/4

22:10-15:35

2 stops22h 25m

Washington, D.C. Dulles Intl

Mon 20/4

21:45-22:50

2 stops20h 05m

£512

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Mon 13/4

17:15-19:20

3 stops31h 05m

Washington, D.C. Dulles Intl

Mon 20/4

20:30-22:50

2 stops21h 20m

£624

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Mon 13/4

17:15-15:10

3 stops26h 55m

Washington, D.C. Dulles Intl

Mon 20/4

20:30-22:50

3 stops21h 20m

£634

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Thu 30/4

16:55-19:00

2 stops31h 05m

Washington, D.C. Dulles Intl

Thu 7/5

17:15-22:20

1 stop24h 05m

£763

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Mon 13/4

09:45-15:35

1 stop10h 50m

Washington, D.C. Dulles Intl

Mon 20/4

18:10-16:45

1 stop17h 35m

£782

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

Mon 13/4

09:45-22:50

2 stops18h 05m

Washington, D.C. Reagan-National

Mon 20/4

11:00-09:15

2 stops17h 15m

£786

Fastest return journey

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Thu 30/4

09:45-15:35

1 stop10h 50m

Washington, D.C. Dulles Intl

Thu 7/5

17:40-09:15

1 stop10h 35m

£791

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Mon 13/4

09:45-15:35

1 stop10h 50m

Washington, D.C. Dulles Intl

Mon 20/4

12:45-09:15

2 stops15h 30m

£810

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Sat 25/4

17:35-15:35

1 stop27h 00m

Washington, D.C. Dulles Intl

Sat 2/5

17:40-16:45

1 stop18h 05m

£837

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

Sat 25/4

09:45-22:41

2 stops17h 56m

Washington, D.C. Reagan-National

Sat 2/5

14:15-09:15

2 stops14h 00m

£975

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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?

WestJet, Air France, and Delta are the most popular carriers 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	17h 37m
Direct flights	None

The fastest flight from Cardiff to District of Columbia takes 17h 37m

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

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.