Question 1

What is the cheapest flight from Washington, D.C. Dulles Intl Airport to Cardiff?

Accepted Answer

In the last 3 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to Cardiff was £413 for a one-way ticket and £633 for a return. <a href='/flight-routes/Washington-Dulles-Intl-IAD/Cardiff-Wales-Arpt-CWL'>Visit our flight page for the latest deals!>/a>

Question 2

Which airports will I be using when flying from Washington, D.C. to Cardiff?

Accepted Answer

When flying out of Washington, D.C. you will be using Washington, D.C. Dulles Intl. You will be landing at Cardiff, also known as Cardiff Wales. <a href='/flight-routes/Washington-Dulles-Intl-IAD/Cardiff-Wales-Arpt-CWL'>Visit our flight page for the latest deals!>/a>

Question 3

Which aircraft models fly most regularly from Washington, D.C. to Cardiff?

Accepted Answer

We unfortunately don’t have that data for this specific route.

Question 4

How does KAYAK find such low prices on flights from Washington, D.C. to Cardiff?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to Cardiff. <a href='/flight-routes/Washington-Dulles-Intl-IAD/Cardiff-Wales-Arpt-CWL'>Visit our flight page for the latest deals!>/a>

Question 5

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Cardiff?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Cardiff from Washington, D.C. is likely to change within 7 days, so travellers know whether to wait or book now. <a href='/flight-routes/Washington-Dulles-Intl-IAD/Cardiff-Wales-Arpt-CWL'>Visit our flight page for the latest deals!>/a>

Question 6

What is the Hacker Fare option on flights from Washington, D.C. to Cardiff?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Cardiff with an airline and back to Washington, D.C. with another airline. <a href='/flight-routes/Washington-Dulles-Intl-IAD/Cardiff-Wales-Arpt-CWL'>Visit our flight page for the latest deals!>/a>

Question 7

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Cardiff?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Cardiff from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/Washington-Dulles-Intl-IAD/Cardiff-Wales-Arpt-CWL'>Visit our flight page for the latest deals!>/a>

Question 8

Which airlines provide the cheapest flights from Washington, D.C. to Cardiff?

Accepted Answer

In the past 3 days, the cheapest return tickets from Washington, D.C. to Cardiff were found on KLM (£633) and Delta (£901).

Question 9

Which airlines provide the cheapest flights from Washington, D.C. to Cardiff?

Accepted Answer

In the past 3 days, the cheapest return tickets from Washington, D.C. to Cardiff were found on KLM (£633) and Delta (£901).

IAD - CWL

£633 Find Cheap Flights from Washington, D.C. to Cardiff

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Cheap Flights from Washington, D.C. to Cardiff (IAD-CWL)

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Everything you should know

KAYAK's insights & trends for Washington, D.C. to Cardiff flights

Get data-powered insights and trends into flights from Washington, D.C. to Cardiff to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Washington, D.C. to Cardiff?

In the past 3 days, the cheapest return tickets from Washington, D.C. to Cardiff were found on KLM (£633) and Delta (£901).

Good to know - Cheap tickets from Washington, D.C. to Cardiff

When to book flights from Washington, D.C. to Cardiff

FAQs for booking Washington, D.C. to Cardiff flights

What is the cheapest flight from Washington, D.C. Dulles Intl Airport to Cardiff?

In the last 3 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to Cardiff was £413 for a one-way ticket and £633 for a return.

Which airports will I be using when flying from Washington, D.C. to Cardiff?

When flying out of Washington, D.C. you will be using Washington, D.C. Dulles Intl. You will be landing at Cardiff, also known as Cardiff Wales.

Which aircraft models fly most regularly from Washington, D.C. to Cardiff?

We unfortunately don’t have that data for this specific route.

How does KAYAK find such low prices on flights from Washington, D.C. to Cardiff?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to Cardiff.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Cardiff?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Cardiff from Washington, D.C. is likely to change within 7 days, so travellers know whether to wait or book now.

What is the Hacker Fare option on flights from Washington, D.C. to Cardiff?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Cardiff with an airline and back to Washington, D.C. with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Cardiff?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Cardiff from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Washington, D.C. to Cardiff

Information on your arrival and departure airports

Cabin class types available on flights to Cardiff

Complete your trip to Cardiff with a hotel stay or car hire

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