Cheap Flights from Seattle / Tacoma International Airport to Wales from £623 Return

Flight deals from Seattle / Tacoma International Airport to Wales

Looking for a cheap last-minute deal or the best return flight from Seattle / Tacoma International Airport to Wales? If you want to travel next month, return fares start from £637. Find the lowest prices on one-way and return tickets right here.

Cardiff.£624 per passenger.Departing Sun, 28 Jun, returning Sat, 4 Jul.Return flight with Alaska Airlines and Ryanair.Outbound indirect flight with Alaska Airlines, departs from Seattle / Tacoma International on Sun, 28 Jun, arriving in Cardiff.Inbound indirect flight with Ryanair, departs from Cardiff on Sat, 4 Jul, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £624, select.

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Flying from Seattle / Tacoma International Airport to Wales

Arm yourself with these facts on the fly.

Cheapest flight found	£623
Cheapest month to fly	June

How to find cheap flights from Seattle / Tacoma International Airport to Wales

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Seattle / Tacoma International Airport to Wales. Other savvy travellers recently found return flights from £623 and one-way tickets from £277. Ready to join them? Here are a few tips to help you do it the smart way.

Fly in June

The cheapest time to fly from Seattle / Tacoma International Airport to Wales is currently June.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Seattle / Tacoma International Airport to anywhere you choose in Wales.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from Seattle / Tacoma International Airport to your chosen airport in Wales go up or down so you can book when the time is just right.

Relax – these are fee-free flight tickets

With us, there are no added fees – the Wales Airport to Wales flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

Are there any direct flights from Seattle / Tacoma International Airport to Wales?

There are currently no direct flights from Seattle / Tacoma International Airport to Wales, but we've found some other routes to United Kingdom – check them out now.

What is the average price of a flight from Seattle / Tacoma International Airport to Wales?

We looked at all of the upcoming return flights from Seattle / Tacoma International Airport to Wales we could find over the next 12 months. It looks like £623 is the best price. This is good, compared to the average Wales ticket price of £623.

What is the cheapest month to fly from Seattle / Tacoma International Airport to Wales?

The cheapest month to fly from Seattle / Tacoma International Airport to Wales is currently June.

Which upcoming date is cheapest to fly from Seattle / Tacoma International Airport to Wales on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle / Tacoma International Airport to Wales on Sunday, 28 June 2026.

If I'm flying from Seattle / Tacoma International Airport, where in Wales is cheapest to fly into?

If you're flying from Seattle / Tacoma International, the cheapest city in Wales to fly into is Cardiff. The cheapest airport serving Cardiff at the moment is Cardiff.