LON to SEA (London to Seattle) Flights

Last Minute Flights from LON to SEA

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
LHRSeattleAugust 24 to September 7$908
*Prices include taxes and fees

Cheapest LON to SEA Flights

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
LHRSeattleSeptember 2 to October 2$547
LGWSeattleOctober 5 to October 9$579
LHRSeattleOctober 9 to October 12$617
LHRSeattleSeptember 5 to September 15$634
LHRSeattleDecember 7 to December 13$640
*Prices include taxes and fees
LON to SEA Flight Details
Origin airport
Heathrow
Origin airport IATA code
LHR
Destination airport
Seattle - Tacoma Intl.
Destination airport IATA code
SEA
Distance
4786 mi

Frequently asked questions

How many flights are there from London (LON-All Airports) to SEA?
About 17 flights are scheduled daily between London (LON-All Airports) and Seattle, WA (SEA-Seattle - Tacoma Intl.). Fasten your seat belt because your plane to SeaTac is ready to depart.
How many morning flights are there from London (LON-All Airports) to SEA?
The London (LON-All Airports) to SEA air corridor is well serviced, with 47 morning flights each week.

  • Pack your suitcase and jet off with British Airways (BA). It offers 21 flights weekly that depart in the morning. The first one leaves at 6:45AM.
  • KLM (KL) operates 19 morning flights a week. The earliest time you can take to the skies with this carrier is 7:45AM.

How many afternoon flights are there from London (LON-All Airports) to SEA?
Take your pick of 75 afternoon and evening flights from London (LON-All Airports) to SEA each week and say no to early morning starts.

  • KLM (KL) operates 21 flights a week departing after midday. The first one takes to the skies at 12:10PM.
  • Another option is Delta Air Lines (DL). You can hop on one of its 14 weekly afternoon and evening flights that fly to SEA from 12:00PM.

What is the earliest departure time out of England to SeaTac?
Take off from London (LON-All Airports) at 6:45AM and land at SEA at 1:01AM. This flight is the earliest you can get on this route.
What is the latest departure time out of England to SeaTac?
Reserve a ticket for the 9:45PM flight out of London (LON-All Airports), touching down at SEA at 12:25AM, and give yourself time to complete those last-minute vacation preparations. This is the latest flight you can take on this route.
What is the average price from England to SeaTac?
You can find a round-trip airfare from London (LON-All Airports) to SEA starting from around $547. The best fares get snapped up early, so book as soon as you know your travel dates. This price was available on Flights.com within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

London to Seattle Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from London to Seattle to attend your cousin’s wedding, to pitch a business idea to your boss, or simply treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find our cheapest flights from LON to SEA, we’ve got you covered here at Flights.com.

We present you with some of the most affordable deals on airfare, so stop that Google flights search. We want you to spend less on your flight from London to Seattle, so you can spend more during your getaway. With Flights.com, you’ll find it simple to land airline tickets with itineraries matching your travel schedule. What’s more, we provide you with all the information you need to confidently make reservations on your family, business, or personal trip.