Seattle-Tacoma International Airport SEA to London Heathrow Airport LHR Flights

The best way to find a cheap flight ticket from Seattle-Tacoma International Airport to London Heathrow Airport is to book your journey as far in advance as possible and to avoid traveling at rush hour.

The average ticket from Seattle-Tacoma International Airport to London Heathrow Airport will cost around zł4929 if you buy it on the day, but the cheapest tickets can be found for only zł2947.

On Thu, Sep 17, we found 125 flights from Seattle-Tacoma International Airport to London Heathrow Airport, including 9 direct services.

On Thu, Sep 17 the direct flights cover the 7703 km distance in an average of 9 h 21 m but if you time it right, some flights will get you there in just 9 h 15 m .

On Thu, Sep 17 the longest flights will take 9 h 25 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.