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Cheap flights from Seattle to London

SEA-LHR

Seattle to London

Date: 1 Jun 2021-

29 Jun 2021

From
$670.52*

*Roundtrip Restrictions apply.

SEA-LHR

Seattle to London

Date: 1 Jun 2021-

22 Jun 2021

From
$670.52*

*Roundtrip Restrictions apply.

SEA-LHR

Seattle to London

Date: 1 Jun 2021-

20 Jun 2021

From
$831.26*

*Roundtrip Restrictions apply.

SEA-LHR

Seattle to London

Date: 1 Jun 2021-

19 Jun 2021

From
$831.26*

*Roundtrip Restrictions apply.

*Fares available for round trips within the last 48 hours and may not be currently available. Fares shown for travel to Dublin or Shannon may be Saver Fares, which is our most restrictive fare option. Additional baggage charges and fees for other optional services may apply. Other terms and conditions may apply.

Aer Lingus Plane Image

Cheap Flights from Seattle to London

Flights from Seattle to London with Aer Lingus. Attracting millions of visitors are year London is one of the most visited cities in Europe.

Heathrow Airport

Heathrow is the busiest airport in Europe and the second busiest in the world. It caters for tens of millions of passengers each year. The airport is located in West London, around 23km from the city centre.

Transport from Heathrow Airport

With great transport services running frequently it's never been easier to get to the centre of London from Heathrow.

By Train: the best way to get to the city is via train. The station is located inside the airport and is close to both departures and arrivals. The easiest option is to catch the express train which runs every 15 minutes and takes around 40 mins.

By car/taxi: London's famous black taxis are available at each terminal. Rates will vary depending on traffic but you'll be able to see your fare as you travel.

By bus: With fares costing as low as £1.50 Heathrow is well connected to West London. But be aware you may need to take multiple buses to get to the centre of London.

What to do in London?

An urban sprawling capital with countless amazing things to see and do. London is very much a city that is full of life. Extremely diverse, London is split into 4 distinct areas; North, South, East and West with each section having it's own unique neighbourhoods and identity. It is best to focus prepare for what you want to see in London before arriving.

Must see attractions in London

Camden: located in North London, Camden is a well-known cultural centre for alternative artists and movements. Camden market sells unique artwork, second-hand books and vintage clothing. There is an amazing choice of international street food available and when you are finished you can stroll down to Regents Canal to relax.

Hyde Park: a lovely stroll through hide park is an excellent way to get away from the hustle and bustle of busy London streets. During peak season there will often be performers (and sometimes protesters) dotted around the park.

Shoreditch: located in East London, Shoreditch is one of the trendiest parts of London. You could easily spend a day just checking out the fashionable restaurants and bars. The nightlife is similar in to the day when hip clubs open for some of London's trendiest people.

"Platform 9 ¾": A quick fun stop is going to see "Platform 9 ¾", made famous by JK Rowlings Harry Potter. Located at one of the busiest locations in London, "Kings Cross", you can pose with the luggage trolley that is disappearing into the wall.

How to track your flight from Seattle to London with Aer Lingus?

You can stay up to date with your flight information in two locations:

  1. Flight disruption information: https://www.aerlingus.com/support/flight-disruption-information/
  2. Live Flight Information: https://www.aerlingus.com/html/trip-mgmt.html#?select=2

Weather in London

Thursday light rain
7°C 4 Mar 2021
Friday overcast clouds
6°C 5 Mar 2021
Saturday scattered clouds
6°C 6 Mar 2021
Sunday sky is clear
7°C 7 Mar 2021
Monday few clouds
9°C 8 Mar 2021
Tuesday scattered clouds
9°C 9 Mar 2021
Wednesday light rain
10°C 10 Mar 2021
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