HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Wales

$371+ Cheap flights from Dulles Intl (IAD) to Wales

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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CWL
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Wales with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Dulles Intl to Wales

Keep the following information in mind while searching for Dulles Intl to Wales flight deals. Data was last updated March 31, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$643
(Cheapflightsfares)

One-way from

$371
(Kiwi.com)
Provider with most accurate pricing for Washington, D.C. (WAS)-Cardiff Wales flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Cardiff Wales flights.
Search Deals
From Washington, D.C. Dulles Intl to Wales
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Wales
Search Deals

Find flight deals from Dulles Intl to Wales

Cheapest flights from Dulles Intl to Wales
Explore the most affordable flight options available from Dulles Intl to Wales. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

This oojo deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/168:30 pmIAD - MAN
1 stop10h 10mIcelandair
Tue 9/301:05 pmMAN - IAD
1 stop11h 15mIcelandair
Deal found 3/30$613
This Scandinavian Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1610:05 pmIAD - MAN
2 stops30h 35mScandinavian Airlines
Tue 9/307:35 pmMAN - IAD
2 stops29h 24mScandinavian Airlines
Deal found 3/30$629
This Cheapflightsfares deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/235:40 pmIAD - MAN
1 stop11h 10mBritish Airways
Sun 4/277:00 amMAN - IAD
1 stop13h 50mBritish Airways
Deal found 3/30$643
This CrystalTravel deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1611:05 pmIAD - MAN
1 stop19h 00mMultiple Airlines
Tue 4/226:05 amMAN - IAD
1 stop12h 25mMultiple Airlines
Deal found 3/30$646
This Virgin Atlantic deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/110:05 amIAD - MAN
1 stop17h 30mVirgin Atlantic
Mon 4/712:35 pmMAN - IAD
1 stop13h 47mVirgin Atlantic
Deal found 3/30$649
This Expedia deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/15:20 pmIAD - MAN
1 stop10h 30mAer Lingus
Wed 5/149:25 amMAN - IAD
1 stop15h 05mAer Lingus
Deal found 3/30$655
This United deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2310:10 pmIAD - MAN
1 stop14h 15mUnited Airlines
Tue 4/295:55 amMAN - IAD
2 stops14h 18mUnited Airlines
Deal found 3/30$667
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1812:11 pmIAD - MAN
1 stop14h 34mDelta
Wed 4/308:55 amMAN - IAD
2 stops15h 58mDelta
Deal found 3/31$671
This Bravofly deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/158:45 pmIAD - MAN
1 stop30h 20mSWISS
Thu 5/228:50 amMAN - IAD
1 stop12h 25mSWISS
Deal found 3/31$704
This Mytrip deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1310:05 pmIAD - BRS
1 stop12h 10mMultiple Airlines
Tue 5/276:30 pmBRS - IAD
1 stop30h 29mMultiple Airlines
Deal found 3/30$736
This Lufthansa deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/225:50 pmIAD - MAN
2 stops24h 30mLufthansa
Sat 11/2911:05 amMAN - IAD
1 stop14h 00mLufthansa
Deal found 3/31$736
This Air Canada deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/121:03 pmIAD - MAN
2 stops15h 57mAir Canada
Tue 8/266:05 amMAN - IAD
2 stops19h 56mAir Canada
Deal found 3/30$746

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl to Wales 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 2,558,603 searches. Data last updated March 31, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Wales that are best for you.

Fly from

Dulles Intl

Fly to

Wales

Route

Depart

Return

Price

Washington, D.C.Manchester

IAD - MAN

IADMAN

Washington, D.C. Dulles Intl

Wed 4/23

5:40 pm-9:50 am

1 stop11h 10m

Manchester

Sun 4/27

7:00 am-3:50 pm

1 stop13h 50m

$643

Washington, D.C.Manchester

IAD - MAN

IADMAN

Washington, D.C. Dulles Intl

Wed 4/16

11:05 pm-11:05 pm

1 stop19h 00m

Manchester

Tue 4/22

6:05 am-1:30 pm

1 stop12h 25m

$646

Washington, D.C.Manchester

IAD - MAN

IADMAN

Washington, D.C. Dulles Intl

Mon 4/7

7:35 am-8:35 am

1 stop20h 00m

Manchester

Mon 4/14

12:35 pm-12:28 am

1 stop16h 53m

$649

Washington, D.C.Manchester

IAD - MAN

IADMAN

Washington, D.C. Dulles Intl

Thu 5/1

5:20 pm-8:50 am

1 stop10h 30m

Manchester

Wed 5/14

9:25 am-7:30 pm

1 stop15h 05m

$655

Washington, D.C.Manchester

IAD - MAN

IADMAN

Washington, D.C. Dulles Intl

Wed 4/23

10:10 pm-5:25 pm

1 stop14h 15m

Manchester

Tue 4/29

5:55 am-3:13 pm

2 stops14h 18m

$667

Washington, D.C.Manchester

IAD - MAN

IADMAN

Washington, D.C. Dulles Intl

Fri 4/18

12:11 pm-7:45 am

1 stop14h 34m

Manchester

Wed 4/30

8:55 am-7:53 pm

2 stops15h 58m

$671

Washington, D.C.Manchester

IAD - MAN

IADMAN

Washington, D.C. Dulles Intl

Mon 5/5

10:05 pm-12:30 pm

2 stops33h 25m

Manchester

Sun 5/18

8:10 pm-7:59 pm

2 stops28h 49m

$687

Washington, D.C.Manchester

IAD - MAN

IADMAN

Washington, D.C. Dulles Intl

Thu 5/15

8:45 pm-8:05 am

1 stop30h 20m

Manchester

Thu 5/22

8:50 am-4:15 pm

1 stop12h 25m

$704

Washington, D.C.Bristol

IAD - BRS

IADBRS

Washington, D.C. Dulles Intl

Tue 5/13

10:05 pm-3:15 pm

1 stop12h 10m

Bristol

Tue 5/27

6:30 pm-7:59 pm

1 stop30h 29m

$736

Washington, D.C.Manchester

IAD - MAN

IADMAN

Washington, D.C. Dulles Intl

Sun 4/27

8:30 pm-11:40 am

1 stop10h 10m

Manchester

Thu 5/1

1:05 pm-7:20 pm

1 stop11h 15m

$738

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 31 results
1
2
3
4

Best time to book a flight from Dulles Intl to Wales

Have a flexible travel schedule? Discover the best time to fly to Wales from Dulles Intl with our price prediction graph.
Estimated round-trip 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 Washington, D.C. Dulles Intl Airport to Wales

Rainfall in Wales by month

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

In terms of precipitation, rainfall in Wales ranges from 2.0 - 3.5 inches per month. January is typically the wettest month, when rainfall can reach 3.5 in. April is typically the driest time to visit Wales when rainfall is around 2.0 in.

Temperature in Wales by month

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

If weather is an important factor for your trip to Wales, 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 64.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Wales

Get insights into the airlines that provide service to Wales. 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 Wales. Reviews last updated March 31, 2025.
To help decide which airline to fly from Washington, D.C. to Wales, see what other customers have to say about Delta, KLM and SWISS. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,570 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,425 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,614 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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

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

    The most popular flight routes from Washington, D.C. Dulles Intl Airport to Wales are Washington, D.C. Dulles Intl - Manchester, Washington, D.C. Dulles Intl - Cardiff Wales and Washington, D.C. Dulles Intl - Bristol.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Wales 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 Washington, D.C. Dulles Intl Airport to Wales?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Wales (average of $773). Flying from Washington, D.C. Dulles Intl Airport to Wales in June is currently the most expensive (average of $1,622). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Wales

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

Top airline flying from Dulles Intl to Wales

Discover the top airline that operate flights from Dulles Intl to Wales. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$713Average$791FlexibilityNo cancel feeOn-time75%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.