When did momondo last update prices for flights from Wales to Washington, D.C.?

Prices for flights from Wales to Washington, D.C. are updated daily.

How old do you have to be to fly from Wales to Washington, D.C.?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Wales to Washington, D.C..

What documentation or ID do you need to fly to Washington, D.C.?

The travel and health documents you'll need for your trip to Washington, D.C. may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C.. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£368 Cheap Flights from Wales to Washington, D.C. in 2026/27

Find the cheapest flights from Wales to Washington, D.C.

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

17:30 - 15:45CWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

27h 15m1 stop Amsterdam Schiphol

18:15 - 09:45IAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

10h 30m1 stop Amsterdam Schiphol

£714KLM

Mon, 23 Nov - Mon, 30 Nov

10:20 - 23:02CWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

17h 42m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

18:15 - 09:45IAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

10h 30m1 stop Amsterdam Schiphol

£722KLM

Wed, 13 Jan - Sat, 16 Jan

17:30 - 15:45CWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

27h 15m1 stop Amsterdam Schiphol

12:35 - 09:45IAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

16h 10m2 stops New York John F Kennedy Intl Amsterdam Schiphol

£729KLM

Mon, 23 Nov - Mon, 30 Nov

17:30 - 16:26CWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

27h 56m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

12:35 - 09:45IAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

16h 10m2 stops New York John F Kennedy Intl Amsterdam Schiphol

£733KLM

Mon, 23 Nov - Mon, 30 Nov

10:20 - 00:41CWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

19h 21m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

18:15 - 17:00IAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

17h 45m1 stop Amsterdam Schiphol

£734Delta

Mon, 23 Nov - Mon, 30 Nov

10:20 - 23:02CWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

17h 42m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

18:30 - 17:00IAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

17h 30m2 stops New York John F Kennedy Intl Amsterdam Schiphol

£740KLM

Wed, 13 Jan - Sat, 16 Jan

08:35 - 18:30CWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

14h 55m2 stops Dublin Reykjavik Keflavik Intl

19:40 - 09:50IAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

33h 10m3 stops Reykjavik Keflavik Intl Dublin Amsterdam Schiphol

£749Multiple Airlines

Mon, 23 Nov - Mon, 30 Nov

07:55 - 19:05CWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

40h 10m2 stops Alicante Casablanca Mohamed V

17:15 - 13:55IAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

15h 40m1 stop Dublin

£752Multiple Airlines

Sat, 21 Nov - Sat, 28 Nov

17:30 - 15:40CWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

27h 10m1 stop Amsterdam Schiphol

18:15 - 09:50IAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

10h 35m1 stop Amsterdam Schiphol

£755KLM

Sat, 21 Nov - Sat, 28 Nov

13:25 - 19:55CWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

35h 30m2 stops Dublin London Heathrow

20:50 - 15:40IAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

13h 50m1 stop Dublin

£779Multiple Airlines

Thu, 10 Dec - Thu, 17 Dec

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

KLM flights from Wales to Washington, D.C.

Our best KLM deals on Wales to Washington, D.C. flight tickets

KLM

23 Nov

CWL17:30Cardiff Wales

27h 15m

1 stop

IAD15:45Washington, D.C. Dulles Intl

30 Nov

IAD18:15Washington, D.C. Dulles Intl

10h 30m

1 stop

CWL09:45Cardiff Wales

£714

KLM

13 Jan

CWL10:20Cardiff Wales

17h 42m

2 stops

IAD23:02Washington, D.C. Dulles Intl

16 Jan

IAD18:15Washington, D.C. Dulles Intl

10h 30m

1 stop

CWL09:45Cardiff Wales

£722

KLM

23 Nov

CWL17:30Cardiff Wales

27h 15m

1 stop

IAD15:45Washington, D.C. Dulles Intl

30 Nov

IAD12:35Washington, D.C. Dulles Intl

16h 10m

2 stops

CWL09:45Cardiff Wales

£729

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CardiffWashington, D.C.

CWL Cardiff Wales - IAD Washington, D.C. Dulles Intl

CWLIAD

Cardiff Wales

Mon 23/11

17:30-15:45

1 stop27h 15m

Washington, D.C. Dulles Intl

Mon 30/11

18:15-09:45

1 stop10h 30m

£714

Fastest return journey

CardiffWashington, D.C.

CWL Cardiff Wales - IAD Washington, D.C. Dulles Intl

CWLIAD

Cardiff Wales

Wed 13/1

10:20-23:02

2 stops17h 42m

Washington, D.C. Dulles Intl

Sat 16/1

18:15-09:45

1 stop10h 30m

£722

CardiffWashington, D.C.

CWL Cardiff Wales - IAD Washington, D.C. Dulles Intl

CWLIAD

Cardiff Wales

Mon 23/11

17:30-15:45

1 stop27h 15m

Washington, D.C. Dulles Intl

Mon 30/11

12:35-09:45

2 stops16h 10m

£729

CardiffWashington, D.C.

CWL Cardiff Wales - IAD Washington, D.C. Dulles Intl

CWLIAD

Cardiff Wales

Mon 23/11

17:30-16:26

2 stops27h 56m

Washington, D.C. Dulles Intl

Mon 30/11

12:35-09:45

2 stops16h 10m

£733

CardiffWashington, D.C.

CWL Cardiff Wales - IAD Washington, D.C. Dulles Intl

CWLIAD

Cardiff Wales

Mon 23/11

10:20-00:41

2 stops19h 21m

Washington, D.C. Dulles Intl

Mon 30/11

18:15-17:00

1 stop17h 45m

£734

CardiffWashington, D.C.

CWL Cardiff Wales - IAD Washington, D.C. Dulles Intl

CWLIAD

Cardiff Wales

Wed 13/1

10:20-23:02

2 stops17h 42m

Washington, D.C. Dulles Intl

Sat 16/1

18:30-17:00

2 stops17h 30m

£740

CardiffWashington, D.C.

CWL Cardiff Wales - IAD Washington, D.C. Dulles Intl

CWLIAD

Cardiff Wales

Mon 23/11

08:35-18:30

2 stops14h 55m

Washington, D.C. Dulles Intl

Mon 30/11

19:40-09:50

3 stops33h 10m

£749

CardiffWashington, D.C.

CWL Cardiff Wales - IAD Washington, D.C. Dulles Intl

CWLIAD

Cardiff Wales

Sat 21/11

07:55-19:05

2 stops40h 10m

Washington, D.C. Dulles Intl

Sat 28/11

17:15-13:55

1 stop15h 40m

£752

CardiffWashington, D.C.

CWL Cardiff Wales - IAD Washington, D.C. Dulles Intl

CWLIAD

Cardiff Wales

Sat 21/11

17:30-15:40

1 stop27h 10m

Washington, D.C. Dulles Intl

Sat 28/11

18:15-09:50

1 stop10h 35m

£755

CardiffWashington, D.C.

CWL Cardiff Wales - IAD Washington, D.C. Dulles Intl

CWLIAD

Cardiff Wales

Thu 10/12

13:25-19:55

2 stops35h 30m

Washington, D.C. Dulles Intl

Thu 17/12

20:50-15:40

1 stop13h 50m

£779

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Wales to Washington, D.C.

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

Can stopping save me money on Wales to Washington, D.C. flights?

You could potentially save up to 61% on your flight if you consider stops on a Wales to Washington, D.C. flight.

Cheap Wales to Washington, D.C. flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Wales to Washington, D.C.

Best price found	£368
Fastest flight time	11h 35m
Direct flights	None

The best one-way flight to Washington, D.C. from Wales in the past 72 hours is £368. The best return flight deal from Wales to Washington, D.C. found on momondo in the last 72 hours is £714.

The fastest flight from Wales to Washington, D.C. takes 11h 35m

There are no direct flights from Wales to Washington, D.C.. There are no popular flight routes from Wales to Washington, D.C..

Search flight deals

Frequently asked questions about flying from Wales to Washington, D.C.

When did momondo last update prices for flights from Wales to Washington, D.C.?
Prices for flights from Wales to Washington, D.C. are updated daily.
How old do you have to be to fly from Wales to Washington, D.C.?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Wales to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The travel and health documents you'll need for your trip to Washington, D.C. may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C.. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Alexandria

Springfield

Arlington

National Harbor

College Park

Fairfax

Lutherville Timonium

Linthicum Heights

Gettysburg

Ellicott City

Glen Burnie

Laurel

Woodbridge

Lexington Park

Bethesda

Silver Spring

Rockville

Landover

Why use momondo?

Why should I use momondo to find a flight deal from Wales to Washington, D.C.?

Finding the right flight to Washington, D.C. from Wales is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

Can I find flights from Wales to Washington, D.C. with flexible booking policies on momondo?

All flight searches from Wales to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Wales to Washington, D.C.?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Wales.

I’m not ready to book a flight from Wales to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from Wales. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Washington, D.C. 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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Thu 26/11

Thu 3/12

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Nearby airports

Cabin classes

Other United States destinations

Other flights from Wales

Complete your trip

Feeling lucky

Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from Wales to Washington, D.C. from £368

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Wales to Washington, D.C. departing on 20/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Wales to Washington, D.C.

Cheap return flights

Cheap one-way flights

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

KLM flights from Wales to Washington, D.C.

Our best KLM deals on Wales to Washington, D.C. flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Wales to Washington, D.C. that are best for you.

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Wales to Washington, D.C.

Can stopping save me money on Wales to Washington, D.C. flights?

Cheap Wales to Washington, D.C. flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from Wales to Washington, D.C.

Travelling to a place near Washington, D.C.?

Why use momondo?

An easier way to manage your Washington, D.C. 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

Popular Cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Wales

According to popular flight searches on momondo this year

Complete your trip to Washington, D.C.

Explore popular destinations other users love

According to popular flight searches on momondo this year