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Cheap flights from Cardiff to Seattle

CWL — SEA
26 Jun — 3 Jul1
1 adult
Wed 26/6
Wed 3/7

Cheap flight deals from Cardiff to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Cardiff (CWL) to Seattle (SEA). 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 21 June 2024.

Round-trip from

£455
From Cardiff Wales to Seattle/Tacoma Intl

What is the cheapest day to fly round-trip from Cardiff to Seattle?

Flights from Cardiff to Seattle are found to be more expensive on Sunday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Seattle.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Cardiff to Seattle as you normally would.

What is the cheapest day to fly from Cardiff to Seattle?

Use this chart to determine the cheapest time to fly return from Cardiff to Seattle. Price data was last updated on 16 June 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their Cardiff to Seattle flight should consider departing on Wednesday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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Best time to book a flight from Cardiff to Seattle

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

Temperature and rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average temperature and rainfall totals by month.

SEA

Temperature

5 - 19 °C

If weather is an important factor for your trip to Seattle, 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 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Related info for your journey

Find useful and relevant information for your journey from Cardiff to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What does CWL to SEA mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Cardiff Wales Airport to Seattle/Tacoma Intl Airport flight would often be abbreviated as a CWL to SEA flight.

  • Can I find deals for flights from Cardiff to Seattle that include extra baggage allowance?

    The amount of baggage you can bring on your Cardiff to Seattle flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Cardiff to Seattle with specific airlines?

    Yes, Cheapflights allows you to browse and filter Cardiff to Seattle flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Cardiff to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Cardiff to Seattle that allow pets onboard?

    Many airlines flying from Cardiff to Seattle offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Cardiff to Seattle?

    Yes, you can often find last-minute deals on Cardiff to Seattle flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • What is the cheapest month to book a flight from Cardiff to Seattle?

    Currently, December is the cheapest month in which you can book a flight from Cardiff to Seattle (average of £577). Flying from Cardiff to Seattle in July is currently the most expensive (average of £822). 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.

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Alternative routes for Cardiff to Seattle
See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Cardiff to Seattle

Discover the top 2 airlines that operate flights from Cardiff to Seattle. 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 937,175 searches. Data last updated 21 June 2024.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£533Average£676FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£536Average£621FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Search flights from Cardiff to Seattle by cabin class

Find flights from Cardiff to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Cardiff to Seattle?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Cardiff to Seattle. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Cardiff to Seattle?

Cheapflights helps you find that perfect flight to Seattle from Cardiff by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Cardiff to Seattle with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Cardiff to Seattle flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Cardiff to Seattle become cheaper?

Yes! Start tracking prices for Cardiff to Seattle 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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