Cheap flights from Cardiff to Washington Dulles Intl

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How to find the cheapest flight from
Cardiff (CWL) to Washington Dulles Intl (IAD)

What is the cheapest day to fly return from Cardiff to Washington Dulles Intl?

Travellers have found that booking a Wednesday departure is the best way to save up to 73% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

How far in advance should I book a flight from Cardiff to Washington Dulles Intl?

To save up to 27% on this flight, we recommend booking at least 34 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Cardiff to Washington Dulles Intl from £547 1-2 weeks out and tickets from £639 for flights departing within the next 72 hours.

What is the cheapest month to fly from Cardiff to Washington Dulles Intl?

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, February can be a great choice for travel to Washington Dulles Intl. Flights to Washington Dulles Intl from Cardiff in February are about £501 on average during February, but can be found for as low as £335.

When is the cheapest time to fly from Cardiff to Washington Dulles Intl (CWL - IAD)?

When flying from Cardiff to Washington Dulles Intl, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Useful info, stats and facts about Cardiff to Washington Dulles Intl flights.

Flight FAQs

From Cardiff to Washington Dulles Intl

Are flight prices decreasing from Cardiff to Washington Dulles Intl due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Cardiff and Washington Dulles Intl for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Cardiff to Washington Dulles Intl for under £1,122 on Cheapflights?

Yes, there are multiple flights from Cardiff to Washington Dulles Intl for under £1,122. The cheapest flight booked recently is on Qatar Airways for just £1,083, but on average you can expect to pay £1,324.

Are there direct flights from Cardiff to Washington Dulles Intl for under £1,047 on Cheapflights?

There are no direct flights from Cardiff to Washington Dulles Intl, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Does it rain more in Cardiff or Washington Dulles Intl?

When travelling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Cardiff is roughly less than Washington Dulles Intl. You can assume this to be the case over the next 11 days.

Is Cardiff weather warmer or cooler than Washington Dulles Intl?

Temperatures around the 31 °Cs can be experienced in July. The weather in Washington Dulles Intl is hotter than in Cardiff. Plan for potential changes in flight availability as peak weather approaches in this location.

How long does is the flight from Cardiff to Washington Dulles Intl?

There are many flights that can get you from Cardiff to Washington Dulles Intl in 14h 35m. Fly via Delta or Qatar Airways to get the fastest option. This flight may include one or multiple stops.

What are the cheapest airlines to flying from Cardiff to Washington Dulles Intl return?

Currently priced at £1,083, Qatar Airways will fly you from Cardiff to Washington Dulles Intl and back. In addition to Qatar Airways, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Delta for as low as £1,381.

Alternative routes for Cardiff to Washington Dulles Intl

Destination information for Washington Dulles Intl

Things to know before you go. Useful info for your trip from Cardiff to Washington Dulles Intl
Today's exchange rate
£1 = $1.34
Average temperature for December in Washington Dulles Intl
9.0 °C
Avg rainfall for December in Washington Dulles Intl
81.0 mm

Airports servicing Cardiff

Airports servicing Washington