Flights from Cardiff to Seattle Starting at £570

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • Round-trip
  • One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from Cardiff to Seattle

We monitor flight fares to help you find the best deals effortlessly

Cheapest flights
From price
Search

  • Mar

    23 2
  • 2 9
  • 9 16
  • 16 23
  • 23 30

  • Apr

    30 6
  • 6 13
  • 13 20
  • 20 27

  • May

    27 4
  • 4 11
  • 11 18
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

FAQ

  • When are flight tickets from Cardiff (CWL) to Seattle (SEA) the cheapest?

    Airlines adjust prices for flights from Cardiff to Seattle based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much are flights from Cardiff (CWL) to Seattle (SEA) cost?

    According to Trip.com's data, the lowest price is around £1,955.

  • What is the transportation method from the main airport to downtown in Seattle?

    • The distance from Seattle-Tacoma International Airport to downtown is about 17km, by taxi about 30 minutes.

  • How many airports in Seattle (SEA)?

How to find a cheap flight from Cardiff to Seattle

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Cardiff to Seattle. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information from Cardiff to Seattle

Cheapest direct flight price £1,359
Off-season travel month February
Peak season for travel January
Flight distance 7,583.01km
Popular airline KLM Royal Dutch Airlines

Plan Your Trip Around Seattle

Flights to Seattle
Flights to Seattle
Flights to Seattle
Hotels in Seattle Hotels in Seattle
Hotels near Space Needle Hotels near Space Needle
Hotels near Broadway Hotels near Broadway
London to Seattle Flights London to Seattle Flights
Manchester to Seattle Flights Manchester to Seattle Flights
Show More

More Travel Options

  • Top Routes from Cardiff
  • Top Routes to Seattle
  • Popular airlines in the UK
  • More flight options