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Cheap flights from Wales to Washington, D.C. Dulles Intl Airport from £266

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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — IAD
23 Jun — 30 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Wales to Dulles Intl

Enter your travel dates to find the best prices.

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 24 May 2026.

Mon 6/708:55
BRS
-
IAD
1 stop11h 50m
Multiple Airlines
Mon 13/717:15
IAD
-
BRS
1 stop9h 20m
Multiple Airlines
Deal found 22/5£523
Sat 4/707:30
CWL
-
IAD
1 stop13h 15m
Multiple Airlines
Sat 11/720:45
IAD
-
CWL
1 stop19h 35m
Multiple Airlines
Deal found 20/5£534
Tue 21/708:25
BRS
-
IAD
1 stop16h 10m
Aer Lingus
Thu 30/717:15
IAD
-
BRS
1 stop17h 45m
Aer Lingus
Deal found 21/5£564
Tue 9/608:25
BRS
-
IAD
1 stop12h 20m
Aer Lingus
Wed 17/621:00
IAD
-
BRS
1 stop14h 00m
Aer Lingus
Deal found 19/5£614
Sat 4/707:45
BRS
-
IAD
1 stop13h 00m
Multiple Airlines
Sat 11/720:45
IAD
-
BRS
1 stop12h 45m
Multiple Airlines
Deal found 20/5£617
Wed 17/607:55
MAN
-
IAD
2 stops17h 34m
Multiple Airlines
Wed 8/723:20
IAD
-
MAN
1 stop31h 20m
Multiple Airlines
Deal found 20/5£629
Wed 17/608:10
MAN
-
IAD
1 stop12h 35m
Aer Lingus
Wed 8/717:15
IAD
-
MAN
1 stop9h 25m
Aer Lingus
Deal found 20/5£630
Tue 28/722:45
MAN
-
IAD
3 stops25h 16m
Multiple Airlines
Thu 30/720:30
IAD
-
MAN
1 stop10h 10m
Multiple Airlines
Deal found 23/5£630
Tue 23/618:50
MAN
-
IAD
2 stops23h 45m
Multiple Airlines
Tue 7/715:45
IAD
-
MAN
2 stops24h 15m
Multiple Airlines
Deal found 21/5£632
Mon 8/608:10
MAN
-
IAD
1 stop12h 35m
Aer Lingus
Fri 12/621:00
IAD
-
MAN
1 stop9h 00m
Aer Lingus
Deal found 19/5£633
Tue 23/612:50
MAN
-
IAD
1 stop11h 35m
Aer Lingus
Wed 1/721:00
IAD
-
MAN
1 stop9h 00m
Aer Lingus
Deal found 19/5£633
Fri 5/619:10
MAN
-
IAD
1 stop26h 50m
Scandinavian Airlines
Mon 15/612:29
IAD
-
MAN
2 stops39h 26m
Scandinavian Airlines
Deal found 22/5£634

Find 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 24 May 2026.

Round-trip from

£523

One-way from

£266
6/7-13/7
  • 6/7-13/7
  • 2 total stops
  • 21h 10m total
  • Wales to Washington, D.C.
Search Deals
11/6
  • 11/6
  • 3 total stops
  • 38h 21m total
  • Wales to Washington, D.C.
Search Deals

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 24 May 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest return flight

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Sat 4/7

07:30-15:45

1 stop13h 15m

Washington, D.C. Dulles Intl

Sat 11/7

20:45-21:20

1 stop19h 35m

£534

BristolWashington, D.C.

BRS - IAD

BRSIAD

Bristol

Tue 9/6

08:25-15:45

1 stop12h 20m

Washington, D.C. Dulles Intl

Wed 17/6

21:00-16:00

1 stop14h 00m

£614

BristolWashington, D.C.

BRS - IAD

BRSIAD

Bristol

Sat 4/7

07:45-15:45

1 stop13h 00m

Washington, D.C. Dulles Intl

Sat 11/7

20:45-14:30

1 stop12h 45m

£617

ManchesterWashington, D.C.

MAN - IAD

MANIAD

Manchester

Sat 6/6

11:55-19:00

1 stop12h 05m

Washington, D.C. Dulles Intl

Sat 13/6

20:45-11:55

1 stop10h 10m

£652

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Wed 17/6

23:30-20:40

3 stops26h 10m

Washington, D.C. Dulles Intl

Wed 24/6

09:55-10:15

1 stop19h 20m

£684
Fastest return journey

ManchesterWashington, D.C.

MAN - IAD

MANIAD

Manchester

Sat 31/10

11:55-19:30

1 stop11h 35m

Washington, D.C. Dulles Intl

Tue 17/11

19:40-10:45

1 stop10h 05m

£706

ManchesterWashington, D.C.

MAN - IAD

MANIAD

Manchester

Tue 15/9

22:55-11:35

1 stop17h 40m

Washington, D.C. Dulles Intl

Tue 29/9

13:20-09:35

1 stop15h 15m

£714

BristolWashington, D.C.

BRS - IAD

BRSIAD

Bristol

Mon 6/7

17:35-15:10

2 stops26h 35m

Washington, D.C. Dulles Intl

Mon 13/7

20:30-23:05

2 stops21h 35m

£722

ManchesterWashington, D.C.

MAN - IAD

MANIAD

Manchester

Fri 12/6

12:45-17:00

2 stops33h 15m

Washington, D.C. Dulles Intl

Thu 25/6

20:20-08:55

1 stop31h 35m

£734

BristolWashington, D.C.

BRS - IAD

BRSIAD

Bristol

Fri 19/6

09:20-15:35

1 stop11h 15m

Washington, D.C. Dulles Intl

Mon 22/6

18:10-22:05

1 stop22h 55m

£738

Flights are sorted by cheapest return flights first.

Deals found on 19/5

Showing 1-10 of 44 resultsSorted by cheapest first
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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
No data available for this route at this time. Please check back soon.

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.

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

    Airlines like Aer Lingus, Icelandair, and Turkish Airlines fly from Wales to Washington, D.C. Dulles Intl Airport in about 11h 35m. The time it takes to get you to your destination can typically vary by up to 6h 05m. Wales and Washington, D.C. Dulles Intl Airport are separated by a distance of 3553 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.

See more FAQs

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

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Silver Spring
Hanover
Oxon Hill
Gaithersburg
Woodbridge
Arlington
Alexandria
Sterling

Browse thousands of different options on Cheapflights for your next trip

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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
Heathrow to Reagan-National flights
Gatwick to Dulles Intl flights
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Gatwick to Baltimore flights
Gatwick to Reagan-National flights
Luton to Dulles Intl flights
Manchester to Dulles Intl flights
Edinburgh to Dulles Intl flights
Manchester to Baltimore flights
Manchester to Reagan-National flights
Luton to Baltimore flights
Newcastle upon Tyne to Dulles Intl flights
Glasgow Intl to Dulles Intl flights
Edinburgh to Reagan-National flights
Newcastle upon Tyne to Reagan-National flights
Birmingham to Dulles Intl flights
Newcastle upon Tyne to Baltimore flights
Southampton to Dulles Intl flights
Stansted to Baltimore flights
Edinburgh to Baltimore flights
Birmingham to Baltimore flights
Glasgow Intl to Baltimore flights
Birmingham to Reagan-National flights
Leeds to Dulles Intl flights
Glasgow Intl to Reagan-National flights
London City to Reagan-National flights
London City to Baltimore flights
Southend to Dulles Intl flights
Southampton to Baltimore flights
Leeds to Baltimore flights
Bristol to Baltimore flights
Bristol to Dulles Intl flights
Leeds to Reagan-National flights
Cardiff to Dulles Intl flights
Bristol to Reagan-National flights
Liverpool to Baltimore flights
Aberdeen to Dulles Intl flights
Belfast Intl to Baltimore flights
Cardiff to Reagan-National flights
Inverness to Dulles Intl flights
Newquay to Baltimore flights
Grimsby to Dulles Intl flights
Grimsby to Baltimore flights
Exeter to Dulles Intl flights
Cardiff to Baltimore flights
Southampton to Reagan-National flights

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How does Cheapflights help users find flights from Wales to Dulles Intl?

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Why should you use Cheapflights to find cheap flight tickets from Wales to Dulles Intl?

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Can Cheapflights find flights from Wales to Dulles Intl with no change fees?

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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