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Cheap flights from Wales to Washington, D.C. Dulles Intl Airport from £263

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/6. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — IAD
18 Jun — 25 Jun1
1 adult

Cheap flight deals from Wales to Dulles Intl

Keep the following information in mind while searching for Wales to Dulles Intl flight deals. Data was last updated 13 June 2025.

Round-trip from

£575

One-way from

£263
American Airlines
  • American Airlines
  • 22/9-9/10
  • 2 total stops
  • 22h 35m total
  • Wales to Washington, D.C.
Search Deals
24/6
  • 24/6
  • 3 total stops
  • 46h 51m total
  • Wales to Washington, D.C.
Search Deals

Find flight deals from Wales to Dulles Intl

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 13 June 2025.

Mon 22/910:55MAN - IAD
1 stop11h 40mAmerican Airlines
Thu 9/1017:50IAD - MAN
1 stop10h 55mAmerican Airlines
Deal found 11/6£575
Tue 21/1007:20BRS - IAD
1 stop13h 30mMultiple Airlines
Sat 1/1122:00IAD - BRS
1 stop13h 20mMultiple Airlines
Deal found 12/6£579
Wed 3/913:15MAN - IAD
2 stops30h 10mAustrian Airlines
Thu 11/917:25IAD - MAN
2 stops24h 20mAustrian Airlines
Deal found 12/6£584
Tue 19/819:10MAN - IAD
1 stop29h 49mScandinavian Airlines
Tue 26/822:05IAD - MAN
1 stop15h 25mScandinavian Airlines
Deal found 11/6£595
Sun 28/913:05MAN - IAD
1 stop11h 15mIcelandair
Thu 9/1020:30IAD - MAN
1 stop10h 10mIcelandair
Deal found 11/6£605
Thu 12/616:50MAN - IAD
2 stops28h 30mMultiple Airlines
Sun 22/617:12IAD - MAN
2 stops15h 58mMultiple Airlines
Deal found 11/6£608
Tue 17/617:35MAN - IAD
1 stop23h 10mTurkish Airlines
Tue 8/713:30IAD - MAN
1 stop27h 45mTurkish Airlines
Deal found 12/6£620
Tue 8/717:15CWL - IAD
1 stop27h 20mKLM
Wed 16/717:25IAD - CWL
1 stop10h 50mKLM
Deal found 11/6£646
Tue 8/706:20BRS - IAD
1 stop14h 15mKLM
Thu 17/717:25IAD - BRS
1 stop14h 45mKLM
Deal found 11/6£651
Wed 9/709:50CWL - IAD
2 stops30h 42mVirgin Atlantic
Wed 16/706:00IAD - CWL
2 stops22h 15mVirgin Atlantic
Deal found 11/6£661
Fri 26/913:45MAN - IAD
2 stops27h 05mDelta
Fri 10/1021:20IAD - MAN
1 stop14h 55mDelta
Deal found 11/6£665
Wed 9/706:15BRS - IAD
2 stops32h 04mVirgin Atlantic
Wed 16/706:00IAD - BRS
2 stops30h 00mVirgin Atlantic
Deal found 11/6£666

Cheapflights Fare Finder

Customise your flight search to find flights from Wales to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 13 June 2025.
Use the filters below to find and compare flights from Wales to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Wales

Fly to

Dulles Intl

Route

Depart

Return

Price

ManchesterWashington, D.C.

MAN - IAD

MANIAD

Manchester

Mon 22/9

10:55-17:35

1 stop11h 40m

Washington, D.C. Dulles Intl

Thu 9/10

17:50-09:45

1 stop10h 55m

£575

BristolWashington, D.C.

BRS - IAD

BRSIAD

Bristol

Tue 21/10

07:20-15:50

1 stop13h 30m

Washington, D.C. Dulles Intl

Sat 1/11

22:00-15:20

1 stop13h 20m

£579

ManchesterWashington, D.C.

MAN - IAD

MANIAD

Manchester

Wed 3/9

13:15-14:25

2 stops30h 10m

Washington, D.C. Dulles Intl

Thu 11/9

17:25-22:45

2 stops24h 20m

£584

ManchesterWashington, D.C.

MAN - IAD

MANIAD

Manchester

Tue 19/8

19:10-19:59

1 stop29h 49m

Washington, D.C. Dulles Intl

Tue 26/8

22:05-18:30

1 stop15h 25m

£595

ManchesterWashington, D.C.

MAN - IAD

MANIAD

Manchester

Sun 28/9

13:05-19:20

1 stop11h 15m

Washington, D.C. Dulles Intl

Thu 9/10

20:30-11:40

1 stop10h 10m

£605

ManchesterWashington, D.C.

MAN - IAD

MANIAD

Manchester

Sat 6/9

23:10-19:20

2 stops25h 10m

Washington, D.C. Dulles Intl

Wed 10/9

20:30-22:20

3 stops20h 50m

£613

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Tue 8/7

17:15-15:35

1 stop27h 20m

Washington, D.C. Dulles Intl

Wed 16/7

13:00-09:15

2 stops15h 15m

£646

BristolWashington, D.C.

BRS - IAD

BRSIAD

Bristol

Tue 8/7

06:20-15:35

1 stop14h 15m

Washington, D.C. Dulles Intl

Tue 15/7

17:25-22:05

1 stop23h 40m

£651

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Wed 9/7

09:50-11:32

2 stops30h 42m

Washington, D.C. Dulles Intl

Wed 16/7

06:00-09:15

2 stops22h 15m

£661

ManchesterWashington, D.C.

MAN - IAD

MANIAD

Manchester

Fri 26/9

13:45-11:50

2 stops27h 05m

Washington, D.C. Dulles Intl

Fri 10/10

21:20-17:15

1 stop14h 55m

£665

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Showing 1-10 of 38 results
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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.
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

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

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.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated 13 June 2025.
Get a feel of what it's like to fly with Delta, KLM and Austrian Airlines from Wales to Washington, D.C. by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,946 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very Good
7,946 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,624 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Wales to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Wales to Washington, D.C. Dulles Intl Airport one-way?

    The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as £446. However, be on the lookout for offers from SWISS and Royal Air Maroc, as they are both options that can get you from Wales to Washington, D.C. Dulles Intl Airport for a low price.

  • 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.

  • What is the cheapest month to book a flight from Wales to Washington, D.C. Dulles Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Wales to Washington, D.C. Dulles Intl Airport (average of £599). Flying from Wales to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £947). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Wales?

Book flights to Wales if you plan to visit one of these locations
Silver Spring
Arlington
Woodbridge
Hanover
Oxon Hill
College Park
Laurel
Tysons

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Alternative routes for Wales to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Dulles Intl flights
Heathrow to Baltimore flights
Gatwick to Dulles Intl flights
Heathrow to Reagan-National flights
London City to Dulles Intl flights
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Stansted to Dulles Intl flights
Stansted to Baltimore flights
London City to Baltimore flights
Luton to Baltimore flights
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London City to Reagan-National flights
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Edinburgh to Dulles Intl flights
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Manchester to Reagan-National flights
Edinburgh to Reagan-National flights
Edinburgh to Baltimore flights
Birmingham to Dulles Intl flights
Birmingham to Reagan-National flights
Birmingham to Baltimore flights
Glasgow Intl to Dulles Intl flights
Newcastle upon Tyne to Dulles Intl flights
Leeds to Dulles Intl flights
Glasgow Intl to Reagan-National flights
Glasgow Intl to Baltimore flights
Bristol to Dulles Intl flights
Aberdeen to Dulles Intl flights
Cardiff to Dulles Intl flights
Cardiff to Reagan-National flights
Cardiff to Baltimore flights
Aberdeen to Baltimore flights
Liverpool to Baltimore flights
Newcastle upon Tyne to Baltimore flights
Aberdeen to Reagan-National flights
Leeds to Baltimore flights
Newcastle upon Tyne to Reagan-National flights
Bristol to Baltimore flights
Leeds to Reagan-National flights
Southampton to Dulles Intl flights
Southampton to Reagan-National flights
Southampton to Baltimore flights
Southend to Dulles Intl flights
Belfast Intl to Dulles Intl flights
Bristol to Reagan-National flights
Belfast Intl to Baltimore flights
Belfast City to Baltimore flights
Belfast City to Dulles Intl flights

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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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Yes! Start tracking prices for Wales to Dulles Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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