Question 1

How long does it take to travel from Seattle to London?

Accepted Answer

A one-way nonstop (direct) flight between Seattle and London takes around 9.4 hours.

Question 2

What is the flight distance between Seattle and London?

Accepted Answer

The flight distance between Seattle and London is 7710 km.

Question 3

What airlines offer nonstop (direct) flights between Seattle and London?

Accepted Answer

Several carriers operate flights between Seattle and London. Airlines offering nonstop (direct) flights include Alaska Airlines, Virgin Atlantic Airways, British Airways, Finnair.

Question 4

What are the most popular routes to and from Seattle?

Accepted Answer

Travelers frequently search for route combinations, such as Seattle and Las Vegas, Denver, Phoenix, Dublin, Melbourne, Orlando, Salt Lake City, San Jose, Vancouver, Manchester, Edinburgh, San Francisco, Philadelphia, Dallas, Washington, D.C., New York, Atlanta, Los Angeles, Rome, Raleigh.

Question 5

What are the most popular routes to and from London?

Accepted Answer

Travelers frequently search for route combinations, such as London and Reykjavik, Bucharest, Athens, Dublin, Istanbul, Lisbon, Sofia, Tirana, New York, Edinburgh, Belfast, Larnaca, Glasgow, Málaga, Antalya, Faro, Thessaloniki, Budapest, Madrid, Alicante.

Question 6

What airports are near Seattle?

Accepted Answer

The main airport in Seattle is Seattle–Tacoma International. It is also served by Seattle–Tacoma International, Vancouver International, Portland International, Abbotsford International, Bellingham International, Vancouver Harbour Flight Centre, Kenmore Air Harbor Seaplane Base, Paine Field Everett, Victoria Inner Harbour SPB, Yakima Air Terminal.

Question 7

Which airlines fly between Seattle and London?

Accepted Answer

Currently, you can fly between Seattle and London with Ryanair, United Airlines, Aer Lingus, Alaska Airlines, WestJet.

Question 8

When's the best time to travel between Seattle and London?

Accepted Answer

If you don’t have specific dates for your trip between Seattle and London, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

Question 9

What flights operate between Seattle and London?

Accepted Answer

Traveling between Seattle and London, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What's more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

Question 10

How many airports are there near Seattle?

Accepted Answer

There are a number of airports in and around Seattle. The main one is Seattle–Tacoma International and other nearby airports include Seattle–Tacoma International, Vancouver International, Portland International, Abbotsford International, Bellingham International, Vancouver Harbour Flight Centre, Kenmore Air Harbor Seaplane Base, Paine Field Everett, Victoria Inner Harbour SPB, Yakima Air Terminal

Question 11

What time do nonstop (direct) flights between Seattle and London depart?

Accepted Answer

This depends on the airline's flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from Seattle, such as morning, afternoon, evening, or night, or select the exact hours for departure.

Question 12

What time do nonstop (direct) flights between Seattle and London arrive?

Accepted Answer

This depends on the airline's flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at London, such as morning, afternoon, evening, or night, or select the exact hours for arrival.

Question 13

What time do flights between Seattle and London depart?

Accepted Answer

This depends on the airline's flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from Seattle, such as morning, afternoon, evening, or night, or select the exact hours for departure.

Question 14

What time do flights between Seattle and London arrive?

Accepted Answer

This depends on the airline's flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at London, such as morning, afternoon, evening, or night, or select the exact hours for arrival.

Cheapest one-way trip	£130
Cheapest nonstop round-trip	£314
Cheapest round-trip	£476
Includes rare itinerary	Travel hack
Nonstop flights in September	£314 – £4,675

Airline	Mon 02.09	Tue 03.09	Wed 04.09	Thu 05.09	Fri 06.09	Sat 07.09	Sun 08.09
British Airways	3	2	2	2	2	1	3
Virgin Atlantic Airways	2	2	1	---	1	1	3
Finnair	---	---	---	2	1	---	---
Alaska Airlines	---	---	---	1	---	---	---
Iberia Airlines	---	---	---	---	---	---	---
Aer Lingus	---	---	---	---	---	---	---

Airline	Mon 09.09	Tue 10.09	Wed 11.09	Thu 12.09	Fri 13.09	Sat 14.09	Sun 15.09
British Airways	2	2	2	1	1	3	3
Virgin Atlantic Airways	2	3	1	2	2	3	2
Finnair	1	2	1	1	---	---	---
Alaska Airlines	---	1	1	1	---	---	---
Iberia Airlines	---	2	---	1	---	---	---
Aer Lingus	---	---	---	---	---	1	---

Airline	Mon 16.09	Tue 17.09	Wed 18.09	Thu 19.09	Fri 20.09	Sat 21.09	Sun 22.09
British Airways	2	2	2	3	2	2	2
Virgin Atlantic Airways	1	2	---	1	2	1	2
Finnair	---	---	---	---	---	---	---
Alaska Airlines	---	---	---	---	---	---	---
Iberia Airlines	---	---	---	---	---	---	---
Aer Lingus	---	---	---	---	---	---	---

Airline	Mon 23.09	Tue 24.09	Wed 25.09	Thu 26.09	Fri 27.09	Sat 28.09	Sun 29.09
British Airways	2	2	2	2	2	2	2
Virgin Atlantic Airways	2	2	1	2	1	1	1
Finnair	---	---	---	---	---	---	---
Alaska Airlines	---	---	---	---	---	---	---
Iberia Airlines	---	---	---	---	---	---	---
Aer Lingus	---	---	---	---	---	---	---

Cheap flights from Seattle, WA to London, United Kingdom

Flights starting at £130. Choose between Ryanair, United Airlines, or Aer Lingus to find the best price.

Tips to know when travelling to London

Cheapest one-way trip

Cheapest nonstop round-trip

Cheapest round-trip

Includes rare itinerary

Nonstop flights in September

Search by stops

Search by carrier

Search by price

Search by departure date

One-way trips

Round trips

Weekly direct flights

Weekly direct flights for Mon 02.09 - Sun 08.09

Weekly direct flights for Mon 09.09 - Sun 15.09

Weekly direct flights for Mon 16.09 - Sun 22.09

Weekly direct flights for Mon 23.09 - Sun 29.09

Check-in for a flight from Seattle to London

Weather in London

Average Weather

14 day forecast

Frequently asked questions

Explore alternative trips

Flights from Seattle

Flights to London

Popular routes

The nearest countries with flights to London

Other destination countries from Seattle

Airports near Seattle

Kiwi.com: the best free travel app for Android and iPhone

Company

Platform

Features

Discover

Name	Carrier code	IATA Code	Passport needed during booking
Ryanair	RYR	FR	No
United Airlines	UAL	UA	Yes
Aer Lingus	EIN	EI	No
Alaska Airlines	ASA	AS	No
WestJet	WJA	WS	No

Month	Average monthly max temperature	Average monthly min temperature
January	7°C	2°C
February	8°C	3°C
March	11°C	4°C
April	14°C	5°C
May	17°C	8°C
June	20°C	11°C
July	22°C	14°C
August	22°C	14°C
September	19°C	12°C
October	15°C	9°C
November	10°C	6°C
December	8°C	3°C