HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Cardiff

$807+ Cheap flights from Washington to Cardiff (CWL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CWL
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington to Cardiff 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 Washington to Cardiff

Discover tips and strategies to find the most affordable flight options for your journey from Washington (USWA) to Cardiff (CWL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$807
(Kiwi.com)
From Washington to Cardiff Wales
Search Deals

Find flight deals from Washington to Cardiff

Cheapest flights from Washington to Cardiff
Explore the most affordable flight options available from Washington to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Kiwi.com deal was found by Cheapflights users on 1/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/26:15 amSEA - CWL
2 stops22h 35mMultiple Airlines
Sun 3/98:20 amCWL - SEA
1 stop17h 55mMultiple Airlines
Deal found 1/21$824
This KLM deal was found by Cheapflights users on 1/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/112:09 pmSEA - CWL
1 stop18h 46mKLM
Wed 2/1910:20 amCWL - SEA
1 stop33h 26mKLM
Deal found 1/21$883
This Delta deal was found by Cheapflights users on 1/21. 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.
Tue 2/119:25 amSEA - CWL
2 stops23h 30mDelta
Wed 2/1910:20 amCWL - SEA
2 stops20h 05mDelta
Deal found 1/21$898

Find flights from Washington to Cardiff within your budget

Customize your flight search to find flights from Washington to Cardiff 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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleCardiff

SEA - CWL

SEACWL

Seattle/Tacoma Intl

Sun 3/2

6:15 am-12:50 pm

2 stops22h 35m

Cardiff Wales

Sun 3/9

8:20 am-6:15 pm

1 stop17h 55m

$824

SeattleCardiff

SEA - CWL

SEACWL

Seattle/Tacoma Intl

Tue 2/11

2:09 pm-4:55 pm

1 stop18h 46m

Cardiff Wales

Wed 2/19

10:20 am-11:46 am

1 stop33h 26m

$883

SeattleCardiff

SEA - CWL

SEACWL

Seattle/Tacoma Intl

Tue 2/11

9:25 am-4:55 pm

2 stops23h 30m

Cardiff Wales

Wed 2/19

10:20 am-10:25 pm

2 stops20h 05m

$898

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Best time to book a flight from Washington to Cardiff

Have a flexible travel schedule? Discover the best time to fly to Cardiff from Washington 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.

Travel insights for flights from Washington to Cardiff

Get recent, data-driven insights about flights from Washington to Cardiff including ideal travel times, pricing trends, and more.

What is the cheapest time of day to fly from WA to CWL?

Find hourly flight availability from Washington to Cardiff. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

When flying from State of Washington to Cardiff, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Cardiff by month

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

In terms of precipitation, rainfall in Cardiff 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 Cardiff when rainfall is around 2.0 in.

Temperature in Cardiff by month

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

If weather is an important factor for your trip to Cardiff, 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 Cardiff

Get insights into the airlines that provide service to Cardiff. 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 Cardiff. Reviews last updated January 21, 2025.
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 10

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

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 10

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

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 10

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

Virgin Atlantic
7.5
Good
665 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 10

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 Washington to Cardiff. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Cardiff from Washington?

    Located just 9.1 mi from the city center, Cardiff Wales (CWL) is the airport most travelers will use when flying to Cardiff from Washington.

  • Can I find deals for flights from Washington to Cardiff that include hotel bookings?

    Yes. In addition to deals on Washington to Cardiff flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Cardiff?

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

  • Can I find deals for business class flights from Washington to Cardiff?

    Yes. Cheapflights offers flight deals from Washington to Cardiff 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 State of Washington to Cardiff?

    Currently, February is the cheapest month in which you can book a flight from State of Washington to Cardiff (average of $773). Flying from State of Washington to Cardiff 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

Traveling to a place near Washington?

Book flights to Washington if you plan to visit one of these locations
Barry

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 Washington to Cardiff

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Manchester flights
Newark to Manchester flights
LaGuardia to Manchester flights
Seattle to Manchester flights
Dulles Intl to Manchester flights
Atlanta to Manchester flights
Boston to Manchester flights
O'Hare Intl to Manchester flights
Baltimore to Manchester flights
Orlando to Manchester flights
Reagan-National to Manchester flights
San Francisco to Manchester flights
Los Angeles to Manchester flights
Hobby to Manchester flights
Dallas/Fort Worth to Manchester flights
Stewart to Manchester flights
Miami to Manchester flights
Philadelphia to Manchester flights
Minneapolis to Manchester flights
George Bush Intcntl to Manchester flights
Midway to Manchester flights
Tampa to Manchester flights
Ontario to Manchester flights
Raleigh to Manchester flights
Columbus to Manchester flights
St. Louis to Manchester flights
Portland to Manchester flights
Cincinnati to Manchester flights
Detroit to Manchester flights
Des Moines to Manchester flights
Burbank to Manchester flights
Charlotte to Manchester flights
Seattle to Bristol flights
San Jose to Manchester flights
Helena to Manchester flights
Indianapolis to Manchester flights
Love Field to Manchester flights
Norfolk to Manchester flights
Pittsburgh to Manchester flights
O'Hare Intl to Bristol flights
Denver to Manchester flights
Grand Rapids to Manchester flights
Greensboro to Manchester flights
Las Vegas to Manchester flights
Santa Ana to Manchester flights
Oakland to Manchester flights
Omaha to Manchester flights
Cleveland to Manchester flights
Fort Lauderdale to Manchester flights
San Diego to Manchester flights

Top airline flying from Washington to Cardiff

Discover the top airline that operate flights from Washington to Cardiff. 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$743Average$1,202FlexibilityNo 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.