How do I get Price Alerts for flights from Cardiff to District of Columbia?

Search flight deals from Cardiff to District of Columbia . While viewing offers you’ll have the option to create a Price Alert.

How can I save money on flights from Cardiff to District of Columbia with momondo?

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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.

£376 Cheap Flights from Cardiff to District of Columbia in 2026

Voted winner of Europe's Best Travel App 2023

Find the cheapest flights from Cardiff to District of Columbia

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

23:15 - 21:24

CWL

IAD

27h 09m

3 stops

20:30 - 22:50

IAD

CWL

21h 20m

3 stops

£626Multiple Airlines

Tue, 18 Aug - Tue, 25 Aug

23:15 - 21:26

CWL

IAD

27h 11m

3 stops

16:20 - 10:15

IAD

CWL

12h 55m

1 stop

£665Multiple Airlines

Wed, 22 Jul - Wed, 29 Jul

23:15 - 21:24

CWL

IAD

27h 09m

3 stops

17:17 - 22:50

IAD

CWL

24h 33m

2 stops

£674Multiple Airlines

Tue, 18 Aug - Tue, 25 Aug

09:45 - 15:35

CWL

IAD

10h 50m

1 stop

18:10 - 09:15

IAD

CWL

10h 05m

1 stop

£687KLM

Wed, 22 Jul - Wed, 29 Jul

22:10 - 10:45

CWL

IAD

41h 35m

2 stops

20:55 - 22:50

IAD

CWL

20h 55m

1 stop

£692Multiple Airlines

Mon, 3 Aug - Mon, 10 Aug

09:45 - 15:35

CWL

IAD

10h 50m

1 stop

18:59 - 09:15

IAD

CWL

33h 16m

2 stops

£696KLM

Wed, 22 Jul - Wed, 29 Jul

23:15 - 18:12

CWL

DCA

23h 57m

3 stops

11:00 - 22:50

DCA

CWL

30h 50m

2 stops

£698Multiple Airlines

Tue, 18 Aug - Tue, 25 Aug

17:15 - 23:26

CWL

IAD

35h 11m

2 stops

10:16 - 09:15

IAD

CWL

17h 59m

2 stops

£731Virgin Atlantic

Sun, 9 Aug - Sun, 16 Aug

09:50 - 22:59

CWL

DCA

18h 09m

2 stops

18:30 - 16:45

DCA

CWL

17h 15m

2 stops

£819Delta

Sun, 9 Aug - Sun, 16 Aug

09:50 - 22:59

CWL

DCA

18h 09m

2 stops

18:30 - 16:45

DCA

CWL

17h 15m

2 stops

£834Delta

Sun, 9 Aug - Sun, 16 Aug

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KLM flights from Cardiff to District of Columbia

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

KLM

2 Jul

CWL09:45Cardiff Wales

18h 29m

2 stops

IAD23:14Washington, D.C. Dulles Intl

6 Jul

IAD18:10Washington, D.C. Dulles Intl

10h 05m

1 stop

CWL09:15Cardiff Wales

£625

KLM

2 Jul

CWL09:45Cardiff Wales

17h 18m

2 stops

DCA22:03Washington, D.C. Reagan-National

6 Jul

DCA15:15Washington, D.C. Reagan-National

13h 00m

2 stops

CWL09:15Cardiff Wales

£661

KLM

22 Jul

CWL09:45Cardiff Wales

10h 50m

1 stop

IAD15:35Washington, D.C. Dulles Intl

29 Jul

IAD18:10Washington, D.C. Dulles Intl

10h 05m

1 stop

CWL09:15Cardiff Wales

£687

Virgin Atlantic flights from Cardiff to District of Columbia

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

Virgin Atlantic

9 Aug

CWL17:15Cardiff Wales

35h 11m

2 stops

IAD23:26Washington, D.C. Dulles Intl

16 Aug

IAD10:16Washington, D.C. Dulles Intl

17h 59m

2 stops

CWL09:15Cardiff Wales

£731

Virgin Atlantic

9 Aug

CWL17:15Cardiff Wales

35h 11m

2 stops

IAD23:26Washington, D.C. Dulles Intl

16 Aug

IAD06:10Washington, D.C. Dulles Intl

29h 35m

2 stops

CWL16:45Cardiff Wales

£840

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

Tue 18/8

23:15-21:24

3 stops27h 09m

Washington, D.C. Dulles Intl

Tue 25/8

20:30-22:50

3 stops21h 20m

£626

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Wed 22/7

23:15-21:26

3 stops27h 11m

Washington, D.C. Dulles Intl

Wed 29/7

16:20-10:15

1 stop12h 55m

£665

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Tue 18/8

23:15-21:24

3 stops27h 09m

Washington, D.C. Dulles Intl

Tue 25/8

17:17-22:50

2 stops24h 33m

£674

Fastest return journey

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Wed 22/7

09:45-15:35

1 stop10h 50m

Washington, D.C. Dulles Intl

Wed 29/7

18:10-09:15

1 stop10h 05m

£687

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Mon 3/8

22:10-10:45

2 stops41h 35m

Washington, D.C. Dulles Intl

Mon 10/8

20:55-22:50

1 stop20h 55m

£692

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Wed 22/7

09:45-15:35

1 stop10h 50m

Washington, D.C. Dulles Intl

Wed 29/7

18:59-09:15

2 stops33h 16m

£696

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

Tue 18/8

23:15-18:12

3 stops23h 57m

Washington, D.C. Reagan-National

Tue 25/8

11:00-22:50

2 stops30h 50m

£698

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Sun 9/8

17:15-23:26

2 stops35h 11m

Washington, D.C. Dulles Intl

Sun 16/8

10:16-09:15

2 stops17h 59m

£731

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

Sun 9/8

09:50-22:59

2 stops18h 09m

Washington, D.C. Reagan-National

Sun 16/8

18:30-16:45

2 stops17h 15m

£819

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

Sun 9/8

09:50-22:59

2 stops18h 09m

Washington, D.C. Reagan-National

Sun 16/8

18:30-16:45

2 stops17h 15m

£834

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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	18h 14m
Direct flights	None

The fastest flight from Cardiff to District of Columbia takes 18h 14m

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.

Frequently asked questions about flying from Cardiff to District of Columbia

How do I get Price Alerts for flights from Cardiff to District of Columbia?
Search flight deals from Cardiff to District of Columbia. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from Cardiff to District of Columbia with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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.