How long is the flight from Wales to Washington, D.C. Dulles Intl Airport?

Airlines like KLM and Virgin Atlantic fly from Wales to Washington, D.C. Dulles Intl Airport in about 27h 15m. The time it takes to get you to your destination can typically vary by up to 10m. Wales and Washington, D.C. Dulles Intl Airport are separated by a distance of 3548 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

What are the most popular routes from Wales to Washington, D.C. Dulles Intl Airport?

Most travelers choose Manchester - Washington, D.C. Dulles Intl, Bristol - Washington, D.C. Dulles Intl or Cardiff Wales - Washington, D.C. Dulles Intl when deciding on the best route from Wales to Washington, D.C. Dulles Intl Airport.

What is the cheapest time of day to fly from WLS to IAD?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Wales to Washington, D.C. Dulles Intl Airport as you normally would.

Can I find deals for flights from Wales to Dulles Intl that include hotel bookings?

Yes. In addition to deals on Wales to Dulles Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Wales to Dulles Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Wales to Dulles Intl.

Can I find deals for business class flights from Wales to Dulles Intl?

Yes. Cheapflights offers flight deals from Wales to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£641+ Cheap Flights from Wales to Washington, D.C. Dulles Intl Airport

Cheap flight deals from Wales to Dulles Intl

Enter your travel dates to find the best prices.

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Cheapest flights from Wales to Dulles Intl
Explore the most affordable flight options available from Wales to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 November 2026.

Wed 23/1217:30 -

1 stop27h 15m

Wed 30/1218:20 -

1 stop10h 25m

Deal found 8/11£641

Sun 22/1117:30 -

1 stop27h 25m

Sun 29/1117:45 -

1 stop11h 05m

Deal found 7/11£659

Fri 20/1117:30 -

1 stop27h 25m

Tue 24/1112:35 -

2 stops16h 15m

Deal found 6/11£663

Thu 3/1217:30 -

1 stop27h 25m

Mon 7/1212:38 -

2 stops16h 07m

Deal found 5/11£665

Thu 3/1210:20 -

2 stops18h 03m

Mon 7/1218:20 -

2 stops17h 40m

Deal found 5/11£667

Sun 22/1110:20 -

2 stops19h 21m

Sun 29/1112:01 -

2 stops16h 49m

Deal found 7/11£669

Fri 11/1210:20 -

2 stops19h 21m

Tue 15/1217:45 -

1 stop11h 05m

Deal found 4/11£741

Wed 23/1217:30 -

2 stops51h 08m

Wed 30/1206:00 -

2 stops22h 50m

Deal found 8/11£786

Fri 20/1117:30 -

2 stops28h 58m

Tue 24/1111:37 -

2 stops17h 13m

Deal found 6/11£798

Fri 11/1210:20 -

2 stops19h 21m

Tue 15/1218:20 -

2 stops17h 40m

Deal found 4/11£824

Find flight deals from Wales to Dulles Intl

Round-trip from	£641

KLM
23/12-30/12
2 total stops
37h 40m total
Wales to Washington, D.C.

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

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Route

Depart

Return

Price

Cheapest return flight

CardiffWashington, D.C.

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

CWLIAD

Cardiff Wales

Sun 22/11

17:30-15:55

1 stop27h 25m

Washington, D.C. Dulles Intl

Sun 29/11

17:45-09:50

1 stop11h 05m

£659

CardiffWashington, D.C.

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

CWLIAD

Cardiff Wales

Fri 20/11

17:30-15:55

1 stop27h 25m

Washington, D.C. Dulles Intl

Tue 24/11

12:35-09:50

2 stops16h 15m

£663

CardiffWashington, D.C.

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

CWLIAD

Cardiff Wales

Thu 3/12

17:30-15:55

1 stop27h 25m

Washington, D.C. Dulles Intl

Mon 7/12

18:15-17:00

1 stop17h 45m

£663

CardiffWashington, D.C.

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

CWLIAD

Cardiff Wales

Wed 20/1

17:30-15:55

1 stop27h 25m

Washington, D.C. Dulles Intl

Sun 24/1

16:43-17:00

2 stops19h 17m

£664

CardiffWashington, D.C.

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

CWLIAD

Cardiff Wales

Thu 3/12

10:20-23:23

2 stops18h 03m

Washington, D.C. Dulles Intl

Mon 7/12

18:20-17:00

2 stops17h 40m

£667

CardiffWashington, D.C.

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

CWLIAD

Cardiff Wales

Sun 22/11

10:20-00:41

2 stops19h 21m

Washington, D.C. Dulles Intl

Sun 29/11

12:01-09:50

2 stops16h 49m

£669

CardiffWashington, D.C.

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

CWLIAD

Cardiff Wales

Wed 23/12

17:30-15:45

1 stop27h 15m

Washington, D.C. Dulles Intl

Wed 30/12

19:54-17:00

2 stops16h 06m

£734

Fastest return journey

CardiffWashington, D.C.

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

CWLIAD

Cardiff Wales

Fri 11/12

10:20-00:41

2 stops19h 21m

Washington, D.C. Dulles Intl

Tue 15/12

17:45-09:50

1 stop11h 05m

£741

CardiffWashington, D.C.

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

CWLIAD

Cardiff Wales

Sun 22/11

17:30-18:30

3 stops30h 00m

Washington, D.C. Dulles Intl

Sun 29/11

19:40-09:45

3 stops33h 05m

£849

Flights are sorted by cheapest return flights first.

Deals found on 7/11

Sorted by cheapest first

Best time to book a flight from Wales to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Wales with our price prediction graph.

CWL-IAD

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Wales to Washington, D.C. Dulles Intl Airport

GBWLS-IAD

CWL-IAD

No data available for this route at this time. Please check back soon.

Related info for your journey

How long is the flight from Wales to Washington, D.C. Dulles Intl Airport?
Airlines like KLM and Virgin Atlantic fly from Wales to Washington, D.C. Dulles Intl Airport in about 27h 15m. The time it takes to get you to your destination can typically vary by up to 10m. Wales and Washington, D.C. Dulles Intl Airport are separated by a distance of 3548 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the most popular routes from Wales to Washington, D.C. Dulles Intl Airport?
Most travelers choose Manchester - Washington, D.C. Dulles Intl, Bristol - Washington, D.C. Dulles Intl or Cardiff Wales - Washington, D.C. Dulles Intl when deciding on the best route from Wales to Washington, D.C. Dulles Intl Airport.
Can I find deals for flights from Wales to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Wales to Dulles Intl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Wales to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Wales to Dulles Intl.
Can I find deals for business class flights from Wales to Dulles Intl?
Yes. Cheapflights offers flight deals from Wales to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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When you search for this flight from Wales to Dulles Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Wales to Dulles Intl flexibly with Cheapflights today.

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Cheap flights from Wales to Washington, D.C. Dulles Intl Airport from £641

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Wales to Dulles Intl

Cheapest flights from Wales to Dulles IntlExplore the most affordable flight options available from Wales to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 November 2026.

Explore the most affordable flight options available from Wales to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 November 2026.

Best flights from Wales to Dulles IntlDiscover carefully curated flight deals from Wales to Dulles Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 November 2026.

Discover carefully curated flight deals from Wales to Dulles Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 November 2026.

Last-minute flights from Wales to Dulles IntlDiscover last-minute flight deals from Wales to Dulles Intl. Data last updated 8 November 2026 and is based on user searches.

Discover last-minute flight deals from Wales to Dulles Intl. Data last updated 8 November 2026 and is based on user searches.

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Best time to book a flight from Wales to Dulles Intl

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Related info for your journey

How long is the flight from Wales to Washington, D.C. Dulles Intl Airport?

What are the most popular routes from Wales to Washington, D.C. Dulles Intl Airport?

Can I find deals for flights from Wales to Dulles Intl that include hotel bookings?

How can I find direct flights from Wales to Dulles Intl?

Can I find deals for business class flights from Wales to Dulles Intl?

Travelling to a place near Washington, D.C. Dulles Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Wales to Dulles Intl

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Complete your trip

Complete your trip to Dulles Intl by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to District of Columbia

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Other flights to Dulles Intl

Explore flights to Dulles Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 8 November 2026.

Search flights from Wales to Dulles Intl by cabin class

Find flights from Wales to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

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Can Cheapflights notify me if prices for flights from Wales to Dulles Intl become cheaper?

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Cheapest flights from Wales to Dulles Intl
Explore the most affordable flight options available from Wales to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 November 2026.

Best flights from Wales to Dulles Intl
Discover carefully curated flight deals from Wales to Dulles Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 November 2026.

Last-minute flights from Wales to Dulles Intl
Discover last-minute flight deals from Wales to Dulles Intl. Data last updated 8 November 2026 and is based on user searches.