There are 4798.7 mi between Seattle/Tacoma Intl and London Southend. Typically, this will take 21h 09m by plane in normal conditions.
Prices for flights from Seattle/Tacoma Intl Airport to London Southend Airport are updated daily.
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to London Southend Airport.
The travel and health documents you'll need for your trip to London Southend Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Southend Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Seattle.
momondo does allow users to show only those flights to London from Seattle which offer a flexible booking policy as well as other useful filters and features.
momondo provides multiple filters to help you find the best flight to London from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Seattle and alert you when they change.