You’ve searched for flights from Londonderry to Seattle. We've gone through all ten flights that go to or via Seattle every week, to help you find the cheapest flight. British Airways usually has the best-value flights from Londonderry, but make sure you compare all your options to get the cheapest flight possible.
We scan thousands of airfares from hundreds of airlines across the globe. We've found that two airlines operate the 7102 km flight from Londonderry to Seattle. Flights during peak season tend to be the most expensive – so if you want to go during that time, it's best to book early. Or you could try to get a last-minute flight deal.
To sort cheap flights to Seattle, it's best to start searching for flights by month, as this will show you when prices are at their lowest. Keep an eye on British Airways too, as they're the most popular airline for flying from Londonderry to Seattle.
It takes about 17 hrs 15 mins to fly from Londonderry to Seattle. Once you’ve chosen your flight, go through and fill out your details to complete your booking. If you haven’t yet sorted your hotel or car hire, take a look at our competitive rates – then you can book your flights and accommodation in one go.
