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Cheap flights from Washington to Cardiff from £532

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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CWL
27 Nov — 4 Dec1
1 adult

Find flights from Washington to Cardiff within your budget

Customise 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 915,844 searches. Data last updated 22 November 2024.

Fly from

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Fly to

Any airport

Route

Depart

Return

Price

SeattleCardiff

SEA - CWL

SEACWL

Seattle/Tacoma Intl

Tue 25/3

15:15-16:55

1 stop18h 40m

Cardiff Wales

Mon 31/3

17:15-16:05

1 stop30h 50m

£641

SeattleCardiff

SEA - CWL

SEACWL

Seattle/Tacoma Intl

Tue 25/3

07:20-09:50

2 stops19h 30m

Cardiff Wales

Mon 31/3

09:45-16:05

1 stop14h 20m

£679

SeattleCardiff

SEA - CWL

SEACWL

Seattle/Tacoma Intl

Sun 5/1

10:15-09:55

2 stops39h 40m

Cardiff Wales

Sun 12/1

17:25-11:50

1 stop26h 25m

£895

SeattleCardiff

SEA - CWL

SEACWL

Seattle/Tacoma Intl

Sun 5/1

19:00-09:55

2 stops30h 55m

Cardiff Wales

Sun 12/1

17:25-11:50

1 stop26h 25m

£980

SeattleCardiff

SEA - CWL

SEACWL

Seattle/Tacoma Intl

Sun 5/1

21:20-16:55

2 stops35h 35m

£532

SeattleCardiff

SEA - CWL

SEACWL

Seattle/Tacoma Intl

Sun 5/1

07:00-16:20

3 stops25h 20m

£777

Flights are sorted by cheapest return flights first.

Deals found on 21/11

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 22 November 2024.

Find flight deals from Washington to Cardiff

Best flights from Washington to Cardiff
Discover carefully curated flight deals from Washington to Cardiff that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 November 2024.

Tue 25/315:15SEA - CWL
1 stop18h 40mKLM
Mon 31/317:15CWL - SEA
1 stop30h 50mKLM
Deal found 20/11£641
Tue 25/307:20SEA - CWL
2 stops19h 30mDelta
Mon 31/309:45CWL - SEA
1 stop14h 20mDelta
Deal found 21/11£679
Sun 5/110:15SEA - CWL
2 stops39h 40mVirgin Atlantic
Sun 12/117:25CWL - SEA
1 stop26h 25mVirgin Atlantic
Deal found 21/11£895
Sun 5/119:00SEA - CWL
2 stops30h 55mMultiple Airlines
Sun 12/117:25CWL - SEA
1 stop26h 25mMultiple Airlines
Deal found 21/11£980

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 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.

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.

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 50.0 - 90.0 inches per month. January is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Cardiff when rainfall is around 50.0 mm.

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 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

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 22 November 2024.
Delta
8.0
Very Good
8,747 reviews
Check prices

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

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
8,747 reviews
Delta
8.0
Very Good
8,747 reviews
Check prices

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 10

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

KLM
7.8
Good
1,346 reviews
Delta
8.0
Very Good
8,747 reviews
Check prices

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

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
662 reviews
Delta
8.0
Very Good
8,747 reviews
Check prices

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

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?

    Cardiff Wales (CWL), located 9.1 mi from the city center, is the airport you fly into when you book flights from Washington to Cardiff.

  • 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 holiday 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, July is the cheapest month in which you can book a flight from State of Washington to Cardiff (average of £169). Flying from State of Washington to Cardiff in October is currently the most expensive (average of £259). 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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Cheapflights does show flights with no change fees to all users. To see these options for flights from Washington to Cardiff, users can toggle the no change fees filter when performing a flight search.

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