Flights from Seattle Airport (SEA) to Heathrow Airport Airport (LHR)

To see all airliners that offer flights between Seattle-Tacoma International and London Heathrow please see the table below.

Flights Chart

Airliner	Mo	Tu	We	Th	Fr	Sa	Su	First Flight	Last Flight	Flights
Delta Air Lines	2	2	2	2	2	2	2	17:35	20:20	VIEW FLIGHTS
British Airways	2	2	2	2	2	2	2	13:30	20:20	VIEW FLIGHTS
Virgin Atlantic	2	2	2	2	2	2	1	17:35	20:20	VIEW FLIGHTS
KLM	2	2	2	2	2	2	1	17:35	20:20	VIEW FLIGHTS
Air France	2	2	2	2	2	2	1	17:35	20:20	VIEW FLIGHTS
Iberia	2	2	2	2	2	2	0	13:30	20:20	VIEW FLIGHTS
Finnair	2	2	2	2	2	2	0	13:30	20:20	VIEW FLIGHTS
American Airlines	2	2	2	2	2	2	0	13:30	20:20	VIEW FLIGHTS
Alaska Airlines	2	2	2	2	2	2	0	13:30	20:20	VIEW FLIGHTS
Aer Lingus	2	2	2	2	2	2	0	13:30	20:20	VIEW FLIGHTS
Aeromexico	1	1	1	1	1	1	1	17:35	17:35	VIEW FLIGHTS
SAS	1	1	1	1	1	1	0	20:20	20:20	VIEW FLIGHTS
AlphaSky	1	0	0	0	0	0	0	13:40	13:40	VIEW FLIGHTS

Most people choose to fly with Delta Air Lines. They offer the largest number of flights so they have times which are most likely to suite you. The flights they offer will go by the flight numbers DL20 and DL5974 with times between 17:35 and 20:20.

If you would like more information on this flight the please visit the website for Delta Air Lines at delta.com. You will be able to find the latest availability, prices and make your booking online.

Flight times for the route are summarised in the table below. These time were correct at the time of writing, but please be aware that times may vary from time to time so please check their website for exact times and the dates you wish to fly.

Flights Time In WeekDays

Day	Flight Times	Flights
Monday	13:30 Airline Flight  No Finnair AY5450 Aer Lingus EI8752 Alaska Airlines AS5272 American Airlines AA6909 British Airways BA52 Iberia IB3508 13:40 Airline Flight  No AlphaSky AS5270 17:35 Airline Flight  No Aeromexico AM7671 Air France AF9905 KLM KL4823 Delta Air Lines DL5974 Virgin Atlantic VS106 20:20 Airline Flight  No Finnair AY5448 SAS SK3986 Aer Lingus EI8748 Air France AF3603 Alaska Airlines AS5270 KLM KL6021 Delta Air Lines DL20 American Airlines AA6907 British Airways BA48 Iberia IB3506 Virgin Atlantic VS4037	VIEW FLIGHTS
Tuesday	13:30 Airline Flight  No Finnair AY5450 Aer Lingus EI8752 Alaska Airlines AS5272 American Airlines AA6909 British Airways BA52 Iberia IB3508 17:35 Airline Flight  No Aeromexico AM7671 Air France AF9905 KLM KL4823 Delta Air Lines DL5974 Virgin Atlantic VS106 20:20 Airline Flight  No Finnair AY5448 SAS SK3986 Aer Lingus EI8748 Air France AF3603 Alaska Airlines AS5270 KLM KL6021 Delta Air Lines DL20 American Airlines AA6907 British Airways BA48 Iberia IB3506 Virgin Atlantic VS4037	VIEW FLIGHTS
Wednesday	13:30 Airline Flight  No Finnair AY5450 Aer Lingus EI8752 Alaska Airlines AS5272 American Airlines AA6909 British Airways BA52 Iberia IB3508 17:35 Airline Flight  No Aeromexico AM7671 Air France AF9905 KLM KL4823 Delta Air Lines DL5974 Virgin Atlantic VS106 20:20 Airline Flight  No Finnair AY5448 SAS SK3986 Aer Lingus EI8748 Air France AF3603 Alaska Airlines AS5270 KLM KL6021 Delta Air Lines DL20 American Airlines AA6907 British Airways BA48 Iberia IB3506 Virgin Atlantic VS4037	VIEW FLIGHTS
Thursday	13:30 Airline Flight  No Finnair AY5450 Aer Lingus EI8752 Alaska Airlines AS5272 American Airlines AA6909 British Airways BA52 Iberia IB3508 17:35 Airline Flight  No Aeromexico AM7671 Air France AF9905 KLM KL4823 Delta Air Lines DL5974 Virgin Atlantic VS106 20:20 Airline Flight  No Finnair AY5448 SAS SK3986 Aer Lingus EI8748 Air France AF3603 Alaska Airlines AS5270 KLM KL6021 Delta Air Lines DL20 American Airlines AA6907 British Airways BA48 Iberia IB3506 Virgin Atlantic VS4037	VIEW FLIGHTS
Friday	13:30 Airline Flight  No Finnair AY5450 Aer Lingus EI8752 Alaska Airlines AS5272 American Airlines AA6909 British Airways BA52 Iberia IB3508 17:35 Airline Flight  No Aeromexico AM7671 Air France AF9905 KLM KL4823 Delta Air Lines DL5974 Virgin Atlantic VS106 20:20 Airline Flight  No Finnair AY5448 SAS SK3986 Aer Lingus EI8748 Air France AF3603 Alaska Airlines AS5270 KLM KL6021 Delta Air Lines DL20 American Airlines AA6907 British Airways BA48 Iberia IB3506 Virgin Atlantic VS4037	VIEW FLIGHTS
Saturday	13:35 Airline Flight  No Finnair AY5450 Aer Lingus EI8752 Alaska Airlines AS5272 American Airlines AA6909 British Airways BA52 Iberia IB3508 17:35 Airline Flight  No Aeromexico AM7671 Air France AF9905 KLM KL4823 Delta Air Lines DL5974 Virgin Atlantic VS106 20:20 Airline Flight  No Finnair AY5448 SAS SK3986 Aer Lingus EI8748 Air France AF3603 Alaska Airlines AS5270 KLM KL6021 Delta Air Lines DL20 American Airlines AA6907 British Airways BA48 Iberia IB3506 Virgin Atlantic VS4037	VIEW FLIGHTS
Sunday	13:30 Airline Flight  No British Airways BA52 17:35 Airline Flight  No Aeromexico AM7671 Air France AF9905 KLM KL4823 Delta Air Lines DL5974 Virgin Atlantic VS106 20:20 Airline Flight  No Delta Air Lines DL20 British Airways BA48	VIEW FLIGHTS

If the airlines stated don’t offer flights that suite your travel times, you could look at alternative options. Below we have summarised flights from alternative departures airports and flights that are not direct.

Alternative Direct Routes

Route	Stops	Distance	Flying Time
Richmond Vancouver to Heathrow	0		9 Hours 43 Minutes

Before you book your flights make sure you your passport is valid and preferably has at least 6 months or more left before it expires. To renew your passport it can take several weeks to renew and with many airliners flights are not refundable.