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Flight Deals from London to Seattle from $499

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Stops

  • Nonstop
    from $671
  • Up to 1 stop
    $577
  • Up to 2 stops
    $662

Airlines

  • Aer Lingus
    $812
  • Air Canada
    $644
  • American Airlines
    $653
  • Austrian Airlines
    $686
  • British Airways
    $690
  • Brussels Airlines
    $754
  • Finnair
    $682
  • IBERIA
    $671
  • Icelandair
    $577
  • JetBlue
    $782
  • Lufthansa
    $685
  • SAS Airlines
    $705
  • SWISS
    $704
  • United Airlines
    $646
  • Virgin Atlantic
    $698

Cabin Class

  • Economy
    $577

Departure Airports

  • London City Airport
    $724
  • London Gatwick Airport
    $577
  • London Heathrow Airport
    $644

Arrival Airports

  • Seattle Tacoma International Airport
    $577

Layover Airports

  • Amsterdam Airport Schiphol
    $698
  • Brussels Airport
    $835
  • Charlotte Douglas International Airport
    $727
  • Chicago O Hare Airport
    $657
  • Copenhagen Kastrup Airport
    $705
  • Dallas Fort Worth International Airport
    $687
  • Denver International Airport
    $683
  • Detroit Metropolitan Airport
    $721
  • Dublin Airport
    $812
  • Frankfurt am Main Airport
    $646
  • General Edward Lawrence Logan International Airport
    $782
  • Helsinki Vantaa Airport
    $653
  • Montreal Trudeau Airport
    $644
  • Munich Airport
    $644
  • New York John F Kennedy Airport
    $782
  • Oslo Gardermoen Airport
    $734
  • Paris Charles de Gaulle Airport
    $700
  • Philadelphia International Airport
    $706
  • Portland International Airport
    $873
  • Reykjavik Keflavik Airport
    $577
  • San Francisco International Airport
    $712
  • Stockholm Arlanda Airport
    $871
  • Toronto Pearson Airport
    $679
  • Vancouver International Airport
    $662
  • Washington Dulles Airport
    $686
  • Zürich Airport
    $704

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On average save $240 per traveler
Icelandair Logo
Icelandair

08/30/25

LGW
5h
KEF

08/30/25

SEA
Icelandair Logo
Icelandair

09/13/25

SEA
19h 40m
KEF

09/14/25

LGW
$577
Free cancellation within 83 hours of booking
Air Canada Logo
Air Canada

08/29/25

LHR
9h 34m
MUC

08/29/25

SEA
Air Canada Logo
Air Canada

09/17/25

SEA
26h 15m
YUL

09/18/25

LHR
$644
Free cancellation within 83 hours of booking
United Airlines Logo
United Airlines

08/29/25

LHR
5h 25m
FRA

08/29/25

SEA
United Airlines Logo
United Airlines

09/17/25

SEA
26h 15m
YUL

09/18/25

LHR
$646
Free cancellation within 83 hours of booking
American Airlines Logo
American Airlines

08/18/25

LHR
6h 30m
HEL

08/18/25

SEA
American Airlines Logo
American Airlines

09/16/25

SEA
17h 20m
Direct

09/17/25

LHR
$653
Free cancellation within 83 hours of booking
American Airlines Logo
American Airlines

08/18/25

LHR
6h 30m
HEL

08/18/25

SEA
American Airlines Logo
American Airlines

09/16/25

SEA
21h 2m
ORD

09/17/25

LHR
$657
Free cancellation within 83 hours of booking
Air Canada Logo
Air Canada

09/04/25

LHR
4h 26m
YVR

09/04/25

SEA
Air Canada Logo
Air Canada

09/15/25

SEA
35h 15m
YVR
YUL

09/17/25

LHR
$662
Free cancellation within 83 hours of booking
IBERIA Logo
IBERIA

09/03/25

LHR
1h 50m
Direct

09/03/25

SEA
IBERIA Logo
IBERIA

09/17/25

SEA
17h 20m
Direct

09/18/25

LHR
$671
Free cancellation within 83 hours of booking
Air Canada Logo
Air Canada

09/04/25

LHR
8h 6m
YVR

09/04/25

SEA
Air Canada Logo
Air Canada

09/15/25

SEA
42h 25m
YYZ

09/17/25

LHR
$679
Free cancellation within 83 hours of booking
Finnair Logo
Finnair

09/03/25

LHR
1h 45m
Direct

09/03/25

SEA
Finnair Logo
Finnair

09/17/25

SEA
17h 20m
Direct

09/18/25

LHR
$682
Free cancellation within 83 hours of booking
Air Canada Logo
Air Canada

09/01/25

LHR
6h 27m
DEN

09/01/25

SEA
Air Canada Logo
Air Canada

09/21/25

SEA
23h 10m
YUL

09/22/25

LHR
$683
Free cancellation within 83 hours of booking
Lufthansa Logo
Lufthansa

08/26/25

LHR
6h 36m
YUL

08/26/25

SEA
Lufthansa Logo
Lufthansa

09/17/25

SEA
21h 50m
ORD

09/18/25

LHR
$685
Free cancellation within 83 hours of booking
Austrian Airlines Logo
Austrian Airlines

08/31/25

LHR
6h 36m
YUL

08/31/25

SEA
Austrian Airlines Logo
Austrian Airlines

09/17/25

SEA
22h 55m
IAD

09/18/25

LHR
$686
Free cancellation within 83 hours of booking
American Airlines Logo
American Airlines

08/27/25

LHR
8h 8m
DFW

08/27/25

SEA
American Airlines Logo
American Airlines

09/17/25

SEA
21h 2m
ORD

09/18/25

LHR
$687
Free cancellation within 83 hours of booking
British Airways Logo
British Airways

09/03/25

LHR
1h 50m
Direct

09/03/25

SEA
British Airways Logo
British Airways

09/17/25

SEA
17h 20m
Direct

09/18/25

LHR
$690
Free cancellation within 83 hours of booking
Virgin Atlantic Logo
Virgin Atlantic

08/29/25

LHR
14h 40m
AMS

08/30/25

SEA
Virgin Atlantic Logo
Virgin Atlantic

09/17/25

SEA
17h 50m
Direct

09/18/25

LHR
$698
Free cancellation within 83 hours of booking
Virgin Atlantic Logo
Virgin Atlantic

08/31/25

LHR
5h
CDG

08/31/25

SEA
Virgin Atlantic Logo
Virgin Atlantic

09/17/25

SEA
17h 50m
Direct

09/18/25

LHR
$700
Free cancellation within 83 hours of booking
SWISS Logo
SWISS

08/30/25

LHR
8h 50m
ZRH

08/30/25

SEA
SWISS Logo
SWISS

09/13/25

SEA
23h 10m
YUL

09/14/25

LHR
$704
Free cancellation within 83 hours of booking
SAS Airlines Logo
SAS Airlines

08/26/25

LHR
18h 20m
CPH

08/27/25

SEA
SAS Airlines Logo
SAS Airlines

09/17/25

SEA
23h 40m
CPH

09/18/25

LHR
$705
Free cancellation within 83 hours of booking
American Airlines Logo
American Airlines

08/17/25

LHR
21h 50m
HEL

08/18/25

SEA
American Airlines Logo
American Airlines

09/16/25

SEA
24h 36m
PHL

09/17/25

LHR
$706
Free cancellation within 83 hours of booking
Lufthansa Logo
Lufthansa

08/31/25

LHR
7h 44m
ORD

08/31/25

SEA
Lufthansa Logo
Lufthansa

09/17/25

SEA
21h 25m
SFO

09/18/25

LHR
$712
Free cancellation within 83 hours of booking
Virgin Atlantic Logo
Virgin Atlantic

08/28/25

LHR
10h 40m
DTW

08/28/25

SEA
Virgin Atlantic Logo
Virgin Atlantic

09/17/25

SEA
17h 50m
Direct

09/18/25

LHR
$721
Free cancellation within 83 hours of booking
SWISS Logo
SWISS

08/31/25

LCY
19h 35m
ZRH

09/01/25

SEA
SWISS Logo
SWISS

09/17/25

SEA
20h 44m
DEN

09/18/25

LCY
$724
Free cancellation within 83 hours of booking
American Airlines Logo
American Airlines

08/31/25

LHR
7h 55m
CLT

08/31/25

SEA
American Airlines Logo
American Airlines

09/17/25

SEA
21h 2m
ORD

09/18/25

LHR
$727
Free cancellation within 83 hours of booking
SAS Airlines Logo
SAS Airlines

08/24/25

LHR
18h 20m
CPH

08/25/25

SEA
SAS Airlines Logo
SAS Airlines

08/31/25

SEA
24h 25m
CPH
OSL

09/01/25

LHR
$734
Free cancellation within 83 hours of booking
Brussels Airlines Logo
Brussels Airlines

09/04/25

LHR
7h 44m
ORD

09/04/25

SEA
Brussels Airlines Logo
Brussels Airlines

09/15/25

SEA
21h 25m
ORD

09/16/25

LHR
$754
Free cancellation within 83 hours of booking
JetBlue Logo
JetBlue

08/27/25

LGW
10h
BOS

08/27/25

SEA
JetBlue Logo
JetBlue

09/17/25

SEA
33h 45m
JFK

09/19/25

LGW
$782
Free cancellation within 83 hours of booking
Aer Lingus Logo
Aer Lingus

08/27/25

LHR
5h 50m
DUB

08/27/25

SEA
Aer Lingus Logo
Aer Lingus

09/17/25

SEA
17h 20m
Direct

09/18/25

LHR
$812
Free cancellation within 83 hours of booking
Brussels Airlines Logo
Brussels Airlines

08/20/25

LHR
12h 57m
BRU
IAD

08/20/25

SEA
Brussels Airlines Logo
Brussels Airlines

09/10/25

SEA
20h 44m
DEN

09/11/25

LHR
$835
Free cancellation within 83 hours of booking
SAS Airlines Logo
SAS Airlines

08/15/25

LHR
16h 45m
ARN
CPH

08/16/25

SEA
SAS Airlines Logo
SAS Airlines

09/14/25

SEA
25h 20m
CPH

09/15/25

LHR
$871
Free cancellation within 83 hours of booking
Icelandair Logo
Icelandair

08/29/25

LGW
5h
KEF

08/29/25

SEA
Icelandair Logo
Icelandair

09/17/25

SEA
45h 20m
PDX
KEF

09/19/25

LGW
$873
Free cancellation within 83 hours of booking

Top Deals on flights from London to Seattle

London, GB (LON) - Seattle, US (SEA)

Aer Lingus Logo
Aer Lingus

Aug 27

LHR
5h 50m
DUB

Aug 27

SEA

as low as

$499

London, GB (LON) - Seattle, US (SEA)

WestJet Logo
WestJet

Sep 23

LHR
6h 19m
YYC

Sep 23

SEA

as low as

$557

London, GB (LON) - Seattle, US (SEA)

WestJet Logo
WestJet

Sep 22

LHR
24h 14m
YYC
YLW

Sep 23

SEA

as low as

$563

London, GB (LON) - Seattle, US (SEA)

Aer Lingus Logo
Aer Lingus

Sep 2

LHR
11h 14m
DUB
ORD

Sep 2

SEA

as low as

$567

London, GB (LON) - Seattle, US (SEA)

WestJet Logo
WestJet

Sep 13

LHR
22h 23m
YYC
YEG

Sep 14

SEA

as low as

$574

London, GB (LON) - Seattle, US (SEA)

WestJet Logo
WestJet

Oct 10

LGW
26h 14m
YYT
YYC

Oct 11

SEA

as low as

$624

London, GB (LON) - Seattle, US (SEA)

WestJet Logo
WestJet

Jul 1

LGW
31h 53m
YHZ
YYC

Jul 2

SEA

as low as

$636

London, GB (LON) - Seattle, US (SEA)

WestJet Logo
WestJet

Aug 28

LGW
29h 51m
YHZ
YVR

Aug 29

SEA

as low as

$715

London, GB (LON) - Seattle, US (SEA)

Icelandair Logo
Icelandair

Oct 6

LGW
5h
KEF

Oct 6

SEA

as low as

$718

London, GB (LON) - Seattle, US (SEA)

JetBlue Logo
JetBlue

Sep 22

LGW
22h 9m
BOS

Sep 23

SEA

as low as

$726

London, GB (LON) - Seattle, US (SEA)

JetBlue Logo
JetBlue

Sep 2

LHR
12h 18m
JFK

Sep 2

SEA

as low as

$751

London, GB (LON) - Seattle, US (SEA)

TAP Portugal Logo
TAP Portugal

Sep 10

LGW
23h 44m
LIS
BOS

Sep 11

SEA

as low as

$874

Frequently Asked Questions

What is the typical flight duration from London to Seattle?
The typical flight duration from London to Seattle ranges between 9 to 11 hours, depending on factors like routing and weather conditions. Direct flights usually complete the journey within this time frame, while connecting flights may extend the travel time. When booking, consider that slight variations in schedules can affect total travel time, so checking the flight details before departure is beneficial. This timeframe is standard for transatlantic flights, ensuring travelers have a clear expectation for planning their journey between these two major cities.
Are there any direct flights from London to Seattle?
Yes, there are direct flights from London to Seattle, although availability can vary seasonally and depending on the airline's schedule. Direct services by certain airlines ensure non-stop travel, which can save time compared to connecting flights. It's advisable to check with airlines or booking platforms for the most current schedules and reserve early to secure seats. Generally, these flights offer a convenient option for travelers looking to minimize layovers and simplify their travel plans between these major international hubs.
What are the best transportation options from Seattle airport to downtown?
Best transportation options from Seattle airport to downtown include light rail, taxi, rideshare services, and shuttle buses. The light rail offers a cost-efficient ride with fares typically ranging from $3 to $5 and a travel time of about 30 minutes. Taxis and rideshares, costing around $40 to $70, provide door-to-door service and quicker transit during off-peak times. Shuttle buses offer routine service at a slightly lower price range. Each option caters to different budgets and schedules, so selecting one depends on your personal comfort and travel plans.
What are the must-see attractions in Seattle for travelers arriving from London?
Travelers arriving from London should definitely consider visiting Seattle's iconic Space Needle, vibrant Pike Place Market, and Chihuly Garden and Glass. In addition, the Museum of Pop Culture offers unique exhibits, while waterfront ferries provide stunning city views. These attractions encapsulate a mix of modern architecture, cultural heritage, and natural beauty. Exploring these landmarks not only enriches your visit but also offers a memorable insight into the local culture and history. Planning your route by grouping nearby sites also maximizes your sightseeing time.
Which local dishes should travelers from London try when visiting Seattle?
Travelers from London visiting Seattle should try local specialties such as fresh Pacific salmon, Dungeness crab, and seasonal oysters, which are celebrated for their quality and flavor. Additionally, you can enjoy a bowl of clam chowder or indulge in artisan coffee at renowned local cafes. Many restaurants focus on farm-to-table meals, offering dishes that showcase the region’s produce. For a unique culinary experience, plan to visit seafood shacks or food trucks where prices typically range from $10 to $25 per meal, making it both delightfully authentic and moderately priced.
What are the best family-friendly activities in Seattle for visitors from London?
Seattle offers numerous family-friendly activities that cater to diverse interests. Families from London can explore interactive exhibits at the Pacific Science Center, visit the Seattle Aquarium, or enjoy a day at Woodland Park Zoo with a range of animals and educational programs. Local museums often offer hands-on activities, and scenic parks provide ample space for picnics. Transportation is accessible via public transit, and admission costs generally range from $20 to $40 per person. Planning ahead ensures families can make the most of these activities with minimal stress and maximum fun.
Are there any seasonal events in Seattle that travelers from London should not miss?
Yes, Seattle hosts several seasonal events that are worth planning around. In summer, travelers can enjoy outdoor music festivals and the iconic Fourth of July celebrations. During autumn, events like the Seattle International Film Festival offer cultural insights, while winter lights and holiday markets create a festive atmosphere. Additionally, the spring season brings food and art festivals that highlight local talent. Each event typically costs between $20 to $50 for entry or participation, and they provide a dynamic way to experience the vibrant local culture and community spirit.
What are the most affordable dining options in Seattle for travelers from London?
Affordable dining options in Seattle for visitors include casual eateries, food trucks, and local diners that provide quality meals at reasonable prices. Meals at these establishments typically range from $10 to $20. Neighborhoods like Capitol Hill and the International District offer a variety of international cuisines and fusion dishes that cater to diverse palates. Researching local favorites on review sites can help locate hidden gems. Many locations also offer daily specials and happy hour discounts, making it easier to enjoy a taste of the city’s vibrant culinary scene without overspending.
What are the best car rental options in Seattle for travelers from London?
For visitors from London looking to rent a car in Seattle, it’s best to compare major agencies like Enterprise, Hertz, and Avis, as well as local services. Prices generally range from $40 to $100 per day depending on the vehicle type, rental duration, and insurance options. Renting a car provides flexibility to explore surrounding areas such as national parks or nearby scenic routes. It’s advisable to book in advance and check for discounts or promotional rates. Additionally, review rental terms carefully, especially with respect to mileage limits and fuel policies, to ensure a hassle-free experience.
What are the customs requirements for travelers flying from London to Seattle?
Travelers from London to Seattle must comply with U.S. customs regulations, which include carrying a valid passport and obtaining an Electronic System for Travel Authorization (ESTA) if eligible under the Visa Waiver Program. Customs may require details regarding the purpose of your visit and items you are carrying, so it is wise to complete any necessary declarations. Additional regulations may apply depending on your travel history and plan. To avoid delays, be honest and precise with your declarations, and check the U.S. Customs and Border Protection guidelines prior to departure as rules can vary.
Is there a specific time of year when Seattle is best visited by travelers from London?
Yes, the best time to visit Seattle is typically during the late spring and summer months, from May to September. During this period, the weather is generally milder and drier, which makes sightseeing more pleasant and outdoor activities more enjoyable. These months also feature several local events and festivals. However, keep in mind that tourism is at its peak during summer, so accommodations and attractions might be busier and slightly pricier. Booking in advance and planning itineraries can help travelers enjoy favorable weather and vibrant cultural experiences.
What are the unique cultural attractions in Seattle for travelers from London?
Seattle offers unique cultural attractions such as the Museum of History & Industry and the vibrant Chihuly Garden and Glass, which showcase the city’s artistic and industrial heritage. For a more immersive experience, consider exploring neighborhoods rich with local art galleries, independent theaters, and historic districts. Underground tours provide insight into the city’s past, and multicultural festivals highlight its diverse community. These attractions often charge entry fees ranging from $15 to $35, providing an excellent opportunity to delve into local traditions, creative innovations, and community-driven cultural expressions.
Are there any budget-friendly hotels in Seattle for visitors from London?
Yes, Seattle offers a range of budget-friendly hotel options suitable for visitors from London. Several well-rated hotels and hostels in neighborhoods like Downtown or Capitol Hill have room rates ranging from $80 to $150 per night. These accommodations often include essential amenities and are conveniently located near public transit and popular attractions. Comparing booking sites can reveal discounts or package deals, making it easier to secure affordable rates while still enjoying a comfortable stay. Reading recent reviews and checking cancellation policies will help ensure a quality and worry-free experience.
What health precautions should travelers from London consider before visiting Seattle?
Travelers from London visiting Seattle should consider routine health precautions such as updating any necessary vaccinations like influenza and tetanus boosters. It is also prudent to check current advisories regarding seasonal illnesses or local outbreaks. Additionally, preparing for variable weather by packing appropriate clothing helps reduce the risk of cold or heat-related issues. Travelers can benefit from travel insurance that covers medical emergencies, typically costing between $40 to $100 depending on coverage. Consulting your healthcare provider before travel to discuss specific health needs ensures added reassurance during your visit.
What are the best seating options for families traveling from London to Seattle?
When choosing seating for families, many airlines offer specific options such as bulkhead seats, which provide extra legroom, or family-preferred seating areas that are grouped together. Some carriers also offer pre-booked seats designed for larger families, which can help facilitate easier boarding and access to emergency exits when appropriate. Booking early increases the chance of securing these seats, and there may be a nominal fee ranging from $20 to $50 for seat selection. Planning ahead and requesting family seating during booking can help ensure a comfortable and coordinated journey for all family members.

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