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Cheap flights from Seattle to London

Book Seattle to London flight deals*

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  • January2022
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  • February2022
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  • March2022
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  • April2022
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  • May2022
    From
    $924.80*
    Seen:1dayago
    Roundtrip*|Economy
  • June2022
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  • 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

    Book Seattle to London flight deals*

    1. Seattle (SEA) to London (LHR)

      SEA-LHR

      Date: Sep 20 2022-

      Sep 30 2022

      From
      $882.80*
    2. Seattle (SEA) to London (LHR)

      SEA-LHR

      Date: Oct 6 2022-

      Oct 11 2022

      From
      $882.80*
    3. Seattle (SEA) to London (LHR)

      SEA-LHR

      Date: Oct 4 2022-

      Oct 11 2022

      From
      $882.80*
    4. Seattle (SEA) to London (LHR)

      SEA-LHR

      Date: May 30 2022-

      Jun 6 2022

      From
      $924.80*
    5. Seattle (SEA) to London (LHR)

      SEA-LHR

      Date: May 31 2022-

      Jun 20 2022

      From
      $924.80*
    6. Seattle (SEA) to London (LHR)

      SEA-LHR

      Date: Jul 7 2022-

      Jul 15 2022

      From
      $1,219.67*
    7. Seattle (SEA) to London (LHR)

      SEA-LHR

      Date: May 31 2022-

      Jun 4 2022

      From
      $1,281.54*
    8. Seattle (SEA) to London (LHR)

      SEA-LHR

      Date: May 31 2022-

      Jun 3 2022

      From
      $1,281.54*
    9. Seattle (SEA) to London (LHR)

      SEA-LHR

      Date: Jul 8 2022-

      Jul 16 2022

      From
      $1,325.67*
    10. Seattle (SEA) to London (LHR)

      SEA-LHR

      Date: Jul 7 2022-

      Jul 16 2022

      From
      $1,325.67*

    *Roundtrip Restrictions apply.
    Each way fare as part of a return trip including taxes and charges.
    One way fare including taxes and charges.

    Weather in London

    Tuesday sky is clear
    40°F Jan 25 2022
    Wednesday scattered clouds
    42°F Jan 26 2022
    Thursday light rain
    48°F Jan 27 2022
    Friday overcast clouds
    43°F Jan 28 2022
    Saturday broken clouds
    53°F Jan 29 2022
    Sunday moderate rain
    44°F Jan 30 2022
    Monday overcast clouds
    45°F Jan 31 2022
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