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$282+ 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CWL
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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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 April 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$641
(American Airlines)

One-way from

$282
(Kiwi.com)

Popular in

May

Cheapest in

November

Average price

$778
Provider with most accurate pricing for Washington, D.C. (WAS)-Cardiff Wales flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Cardiff Wales flights.
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From Washington, D.C. Dulles Intl to Wales
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One-way flight from Washington, D.C. Dulles Intl to Wales
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Highest demand for flights based on searches. 26% potential increase in price ($364 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($82 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 29, 2025.

This Delta deal was found by Cheapflights users on 4/29. 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.
Wed 8/63:30 pmIAD - MAN
2 stops18h 55mDelta
Sun 8/241:00 pmMAN - IAD
2 stops28h 00mDelta
Deal found 4/29$618
This Icelandair deal was found by Cheapflights users on 4/29. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/78:30 pmIAD - MAN
1 stop10h 10mIcelandair
Sun 8/171:05 pmMAN - IAD
1 stop14h 05mIcelandair
Deal found 4/29$624
This Scandinavian Airlines deal was found by Cheapflights users on 4/28. 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 8/1910:05 pmIAD - MAN
2 stops30h 35mScandinavian Airlines
Tue 8/261:05 pmMAN - IAD
2 stops35h 54mScandinavian Airlines
Deal found 4/28$633
This Cheapflightsfares deal was found by Cheapflights users on 4/28. 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.
Sat 8/210:45 pmIAD - MAN
1 stop12h 00mBritish Airways
Sat 8/2310:50 amMAN - IAD
1 stop11h 45mBritish Airways
Deal found 4/28$646
This Air Canada deal was found by Cheapflights users on 4/29. 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.
Fri 8/82:25 pmIAD - MAN
1 stop14h 55mAir Canada
Sat 8/2311:50 amMAN - IAD
2 stops14h 11mAir Canada
Deal found 4/29$662
This United Airlines deal was found by Cheapflights users on 4/29. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/710:19 pmIAD - MAN
2 stops31h 01mUnited Airlines
Mon 8/2511:50 amMAN - IAD
1 stop26h 47mUnited Airlines
Deal found 4/29$667
This Gotogate deal was found by Cheapflights users on 4/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/119:45 amIAD - MAN
2 stops17h 20mMultiple Airlines
Sun 5/188:45 amMAN - IAD
1 stop12h 30mMultiple Airlines
Deal found 4/28$670
This Justfly.com deal was found by Cheapflights users on 4/28. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/185:20 pmIAD - MAN
1 stop10h 20mAer Lingus
Wed 5/218:10 amMAN - IAD
1 stop12h 40mAer Lingus
Deal found 4/28$677
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/810:40 pmIAD - MAN
1 stop15h 40mAmerican Airlines
Sun 5/187:50 amMAN - IAD
1 stop14h 35mAmerican Airlines
Deal found 4/28$680
This SWISS deal was found by Cheapflights users on 4/29. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/98:45 pmIAD - MAN
1 stop30h 20mSWISS
Fri 8/226:40 pmMAN - IAD
1 stop26h 35mSWISS
Deal found 4/29$688
This Lufthansa deal was found by Cheapflights users on 4/28. 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.
Tue 8/55:10 pmIAD - MAN
2 stops19h 15mLufthansa
Thu 8/216:50 amMAN - IAD
1 stop17h 35mLufthansa
Deal found 4/28$702
This Austrian Airlines deal was found by Cheapflights users on 4/28. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/105:25 pmIAD - MAN
1 stop14h 00mAustrian Airlines
Tue 8/2610:40 amMAN - IAD
2 stops32h 55mAustrian Airlines
Deal found 4/28$721

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 April 29, 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

Sat 5/3

6:30 pm-9:55 am

1 stop10h 25m

Manchester

Mon 5/19

5:55 am-4:55 pm

2 stops16h 00m

$662

Washington, D.C.Manchester

IAD - MAN

IADMAN

Washington, D.C. Dulles Intl

Thu 5/8

12:53 pm-7:45 am

2 stops13h 52m

Manchester

Mon 5/12

1:00 pm-12:28 am

2 stops16h 28m

$668

Washington, D.C.Manchester

IAD - MAN

IADMAN

Washington, D.C. Dulles Intl

Sun 5/11

9:45 am-8:05 am

2 stops17h 20m

Manchester

Sun 5/18

8:45 am-4:15 pm

1 stop12h 30m

$670

Washington, D.C.Manchester

IAD - MAN

IADMAN

Washington, D.C. Dulles Intl

Sun 5/18

5:20 pm-8:40 am

1 stop10h 20m

Manchester

Wed 5/21

8:10 am-3:50 pm

1 stop12h 40m

$677

Washington, D.C.Manchester

IAD - MAN

IADMAN

Washington, D.C. Dulles Intl

Thu 5/8

10:40 pm-7:20 pm

1 stop15h 40m

Manchester

Sun 5/18

7:50 am-5:25 pm

1 stop14h 35m

$680

Washington, D.C.Manchester

IAD - MAN

IADMAN

Washington, D.C. Dulles Intl

Thu 5/8

10:40 pm-10:00 pm

1 stop18h 20m

Manchester

Sat 5/17

10:50 am-8:10 pm

1 stop14h 20m

$682

Washington, D.C.Manchester

IAD - MAN

IADMAN

Washington, D.C. Dulles Intl

Sun 7/27

10:25 am-9:50 am

2 stops18h 25m

Manchester

Sun 9/7

11:50 am-11:33 am

2 stops52h 43m

$685

Washington, D.C.Manchester

IAD - MAN

IADMAN

Washington, D.C. Dulles Intl

Thu 6/5

8:30 pm-11:40 am

1 stop10h 10m

Manchester

Sun 8/31

1:05 pm-7:20 pm

1 stop11h 15m

$719

Washington, D.C.Manchester

IAD - MAN

IADMAN

Washington, D.C. Dulles Intl

Sun 5/18

10:20 pm-11:05 pm

1 stop19h 45m

Manchester

Tue 5/27

5:55 am-1:30 pm

1 stop12h 35m

$721

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Wed 8/20

5:25 pm-9:15 am

1 stop10h 50m

Cardiff Wales

Wed 8/27

9:50 am-3:35 pm

1 stop10h 45m

$813

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 39 results
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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 April 29, 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
7,929 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

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
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

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
1,334 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

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
1,588 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

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
1,446 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

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
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

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

    One-way options have recently been found by users for as low as $306 on Icelandair. Other airlines that offer cheap prices include Air Canada from $416 and Delta from $419 one-way.

  • 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 - Bristol and Washington, D.C. Dulles Intl - Cardiff Wales.

  • 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

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Alternative routes for Dulles Intl to Wales

See prices for flight routes from nearby airports that may be better suited for you.
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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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$713Average$790FlexibilityNo cancel feeOn-time75%

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