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Flight Deals from Seattle to London from $258

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Stops

  • Nonstop
    from $702
  • Up to 1 stop
    $457
  • Up to 2 stops
    $560

Airlines

  • Air Canada
    $687
  • Air France
    $720
  • Austrian Airlines
    $746
  • British Airways
    $730
  • Delta Air Lines
    $694
  • Icelandair
    $631
  • JetBlue
    $663
  • KLM
    $720
  • Lufthansa
    $705
  • SAS Airlines
    $457
  • SWISS
    $701
  • United Airlines
    $687
  • Virgin Atlantic
    $688

Cabin Class

  • Economy
    $457

Departure Airports

  • Seattle Tacoma International Airport
    $457

Arrival Airports

  • London Gatwick Airport
    $631
  • London Heathrow Airport
    $457

Layover Airports

  • Amsterdam Airport Schiphol
    $688
  • Calgary International Airport
    $688
  • Chicago O Hare Airport
    $670
  • Copenhagen Kastrup Airport
    $457
  • Dallas Fort Worth International Airport
    $734
  • Denver International Airport
    $694
  • Detroit Metropolitan Airport
    $745
  • Frankfurt am Main Airport
    $688
  • General Edward Lawrence Logan International Airport
    $663
  • Los Angeles International Airport
    $603
  • Montreal Trudeau Airport
    $687
  • Munich Airport
    $687
  • New York John F Kennedy Airport
    $698
  • Newark Liberty Airport
    $694
  • Oslo Gardermoen Airport
    $560
  • Paris Charles de Gaulle Airport
    $694
  • Philadelphia International Airport
    $745
  • Reykjavik Keflavik Airport
    $631
  • Salt Lake City International Airport
    $693
  • San Francisco International Airport
    $706
  • Stockholm Arlanda Airport
    $568
  • Toronto Pearson Airport
    $694
  • Vancouver International Airport
    $687
  • Vienna International Airport
    $744
  • Washington Dulles Airport
    $746
  • Zürich Airport
    $701

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On average save $240 per traveler
SAS Airlines Logo
SAS Airlines

09/28/25

SEA
29h 20m
CPH

09/29/25

LHR
SAS Airlines Logo
SAS Airlines

10/15/25

LHR
7h 20m
CPH

10/15/25

SEA
$457
Free cancellation within 83 hours of booking
SAS Airlines Logo
SAS Airlines

10/03/25

SEA
41h
CPH

10/05/25

LHR
SAS Airlines Logo
SAS Airlines

10/10/25

LHR
6h 55m
OSL
CPH

10/10/25

SEA
$560
Free cancellation within 83 hours of booking
SAS Airlines Logo
SAS Airlines

10/03/25

SEA
40h 35m
CPH
ARN

10/05/25

LHR
SAS Airlines Logo
SAS Airlines

10/10/25

LHR
6h 55m
OSL
CPH

10/10/25

SEA
$568
Free cancellation within 83 hours of booking
SAS Airlines Logo
SAS Airlines

10/22/25

SEA
23h 40m
CPH

10/23/25

LHR
SAS Airlines Logo
SAS Airlines

10/29/25

LHR
13h 4m
CPH
LAX

10/29/25

SEA
$603
Free cancellation within 83 hours of booking
Icelandair Logo
Icelandair

10/02/25

SEA
22h 55m
KEF

10/03/25

LGW
Icelandair Logo
Icelandair

10/12/25

LGW
5h
KEF

10/12/25

SEA
$631
Free cancellation within 83 hours of booking
JetBlue Logo
JetBlue

10/14/25

SEA
22h 5m
BOS

10/15/25

LGW
JetBlue Logo
JetBlue

10/21/25

LGW
22h 9m
BOS

10/22/25

SEA
$663
Free cancellation within 83 hours of booking
SAS Airlines Logo
SAS Airlines

09/24/25

SEA
23h 40m
CPH

09/25/25

LHR
SAS Airlines Logo
SAS Airlines

10/22/25

LHR
25h 20m
CPH
ORD

10/23/25

SEA
$670
Free cancellation within 83 hours of booking
United Airlines Logo
United Airlines

10/05/25

SEA
22h 25m
YVR

10/06/25

LHR
United Airlines Logo
United Airlines

10/22/25

LHR
9h 34m
MUC

10/22/25

SEA
$687
Free cancellation within 83 hours of booking
Air Canada Logo
Air Canada

09/30/25

SEA
23h 10m
YUL

10/01/25

LHR
Air Canada Logo
Air Canada

10/08/25

LHR
7h 59m
MUC

10/08/25

SEA
$687
Free cancellation within 83 hours of booking
Virgin Atlantic Logo
Virgin Atlantic

10/01/25

SEA
17h 45m
Direct

10/02/25

LHR
Virgin Atlantic Logo
Virgin Atlantic

10/09/25

LHR
5h 20m
AMS

10/09/25

SEA
$688
Free cancellation within 83 hours of booking
Air Canada Logo
Air Canada

10/14/25

SEA
22h 5m
YVR
YYC

10/15/25

LHR
Air Canada Logo
Air Canada

10/23/25

LHR
5h 25m
FRA

10/23/25

SEA
$688
Free cancellation within 83 hours of booking
Virgin Atlantic Logo
Virgin Atlantic

10/01/25

SEA
20h 20m
SLC

10/02/25

LHR
Virgin Atlantic Logo
Virgin Atlantic

10/09/25

LHR
5h 20m
AMS

10/09/25

SEA
$693
Free cancellation within 83 hours of booking
Virgin Atlantic Logo
Virgin Atlantic

10/08/25

SEA
17h 45m
Direct

10/09/25

LHR
Virgin Atlantic Logo
Virgin Atlantic

10/15/25

LHR
5h
CDG

10/15/25

SEA
$694
Free cancellation within 83 hours of booking
Delta Air Lines Logo
Delta Air Lines

09/23/25

SEA
17h 50m
Direct

09/24/25

LHR
Delta Air Lines Logo
Delta Air Lines

09/30/25

LHR
5h
CDG

09/30/25

SEA
$694
Free cancellation within 83 hours of booking
Air Canada Logo
Air Canada

09/27/25

SEA
42h 25m
YYZ

09/29/25

LHR
Air Canada Logo
Air Canada

10/22/25

LHR
10h 4m
MUC

10/22/25

SEA
$694
Free cancellation within 83 hours of booking
United Airlines Logo
United Airlines

09/27/25

SEA
21h 50m
EWR

09/28/25

LHR
United Airlines Logo
United Airlines

10/07/25

LHR
5h 25m
FRA

10/07/25

SEA
$694
Free cancellation within 83 hours of booking
United Airlines Logo
United Airlines

10/22/25

SEA
20h 57m
DEN

10/23/25

LHR
United Airlines Logo
United Airlines

10/29/25

LHR
6h 40m
FRA

10/29/25

SEA
$694
Free cancellation within 83 hours of booking
JetBlue Logo
JetBlue

10/06/25

SEA
22h 5m
BOS

10/07/25

LGW
JetBlue Logo
JetBlue

10/16/25

LGW
10h 17m
JFK

10/16/25

SEA
$698
Free cancellation within 83 hours of booking
SWISS Logo
SWISS

10/12/25

SEA
23h 10m
YUL

10/13/25

LHR
SWISS Logo
SWISS

10/21/25

LHR
9h 51m
ZRH
YVR

10/21/25

SEA
$701
Free cancellation within 83 hours of booking
Delta Air Lines Logo
Delta Air Lines

09/23/25

SEA
17h 50m
Direct

09/24/25

LHR
Delta Air Lines Logo
Delta Air Lines

09/30/25

LHR
2h 20m
Direct

09/30/25

SEA
$702
Free cancellation within 83 hours of booking
Lufthansa Logo
Lufthansa

10/08/25

SEA
22h 25m
YVR

10/09/25

LHR
Lufthansa Logo
Lufthansa

10/15/25

LHR
6h 9m
MUC

10/15/25

SEA
$705
Free cancellation within 83 hours of booking
SAS Airlines Logo
SAS Airlines

10/14/25

SEA
30h 45m
SFO
CPH

10/15/25

LHR
SAS Airlines Logo
SAS Airlines

10/21/25

LHR
18h 30m
CPH

10/22/25

SEA
$706
Free cancellation within 83 hours of booking
KLM Logo
KLM

09/24/25

SEA
17h 45m
Direct

09/25/25

LHR
KLM Logo
KLM

10/22/25

LHR
5h
CDG

10/22/25

SEA
$720
Free cancellation within 83 hours of booking
Air France Logo
Air France

10/08/25

SEA
17h 45m
Direct

10/09/25

LHR
Air France Logo
Air France

10/23/25

LHR
5h
CDG

10/23/25

SEA
$720
Free cancellation within 83 hours of booking
British Airways Logo
British Airways

10/08/25

SEA
17h 20m
Direct

10/09/25

LHR
British Airways Logo
British Airways

10/16/25

LHR
1h 45m
Direct

10/16/25

SEA
$730
Free cancellation within 83 hours of booking
British Airways Logo
British Airways

10/14/25

SEA
26h 30m
DFW

10/15/25

LHR
British Airways Logo
British Airways

10/29/25

LHR
2h 55m
Direct

10/29/25

SEA
$734
Free cancellation within 83 hours of booking
Lufthansa Logo
Lufthansa

10/01/25

SEA
23h 35m
MUC

10/02/25

LHR
Lufthansa Logo
Lufthansa

10/14/25

LHR
12h 49m
VIE
ORD

10/14/25

SEA
$744
Free cancellation within 83 hours of booking
British Airways Logo
British Airways

10/08/25

SEA
22h 5m
DFW

10/09/25

LHR
British Airways Logo
British Airways

10/16/25

LHR
8h 14m
PHL

10/16/25

SEA
$745
Free cancellation within 83 hours of booking
KLM Logo
KLM

09/28/25

SEA
23h 5m
DTW

09/29/25

LHR
KLM Logo
KLM

10/10/25

LHR
9h 35m
AMS

10/10/25

SEA
$745
Free cancellation within 83 hours of booking
Austrian Airlines Logo
Austrian Airlines

10/01/25

SEA
30h 20m
IAD
VIE

10/02/25

LHR
Austrian Airlines Logo
Austrian Airlines

10/14/25

LHR
5h 25m
FRA

10/14/25

SEA
$746
Free cancellation within 83 hours of booking

Top Deals on flights from Seattle to London

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

Icelandair Logo
Icelandair

Oct 19

SEA
19h 40m
KEF

Oct 20

LGW

as low as

$258

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

Icelandair Logo
Icelandair

Oct 16

SEA
20h 10m
KEF

Oct 17

LHR

as low as

$258

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

JetBlue Logo
JetBlue

Oct 15

SEA
22h 5m
BOS

Oct 16

LGW

as low as

$368

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

JetBlue Logo
JetBlue

Sep 21

SEA
33h 45m
JFK

Sep 23

LHR

as low as

$384

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

SAS Airlines Logo
SAS Airlines

Oct 15

SEA
25h 20m
CPH

Oct 16

LHR

as low as

$394

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

Aer Lingus Logo
Aer Lingus

Oct 1

SEA
20h 20m
DUB

Oct 2

LHR

as low as

$396

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

SAS Airlines Logo
SAS Airlines

Sep 10

SEA
29h 35m
CPH
OSL

Sep 11

LHR

as low as

$398

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

SAS Airlines Logo
SAS Airlines

Nov 11

SEA
28h 30m
LAX
CPH

Nov 12

LHR

as low as

$399

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

SAS Airlines Logo
SAS Airlines

Sep 24

SEA
40h 35m
CPH
ARN

Sep 26

LHR

as low as

$402

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

WestJet Logo
WestJet

Oct 20

SEA
29h
YYC

Oct 21

LHR

as low as

$402

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

Air Canada Logo
Air Canada

Sep 2

SEA
23h 10m
YUL

Sep 3

LHR

as low as

$414

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

United Airlines Logo
United Airlines

Sep 9

SEA
26h 15m
YUL

Sep 10

LHR

as low as

$414

Frequently Asked Questions

What is the typical flight duration from Seattle to London?
The typical direct flight from Seattle to London takes between 9 to 11 hours, though durations can extend to 12-14 hours if layovers are involved. It’s recommended to check current schedules since weather conditions and air traffic can influence the timings. When planning your travel from Seattle to London, consider the convenience of a direct flight versus a connecting option, and always allow extra time for boarding procedures and transfers at the airport.
Are there any direct flights from Seattle to London?
Yes, there are direct flights available between Seattle and London. Major carriers sometimes offer non-stop routes that help save travel time even though options may be limited based on seasonal demand and route planning. It’s advisable to review flight schedules and book in advance to secure a direct flight. Keep an eye on promotions and seasonal deals, as direct services might also adjust based on peak travel seasons or operational changes between these two cities.
What are the best transportation options from London airport to downtown or popular tourist attractions?
The best transportation options from London airports include train services, the underground, buses, and taxis. For instance, the Heathrow Express offers a fast connection to central London in about 15-20 minutes, while the Tube or buses provide more economical alternatives ranging from 40-60 minutes to central locations. Taxis and ride-share services offer door-to-door convenience with fares typically ranging between £40 to £70. Planning ahead for costs, schedules, and preferred comfort can ensure smooth transit from the airport.
What are the must-see attractions in London for travelers arriving from Seattle?
London boasts numerous iconic attractions that visitors from Seattle should not miss. Highlights include the historic Tower of London, Buckingham Palace, and the British Museum, along with modern landmarks like the London Eye. Exploring different neighborhoods such as Covent Garden or Notting Hill also offers an authentic taste of the city’s vibrant culture. A travel card or city pass is recommended to save on entrance fees and public transport costs, making your sightseeing experience both convenient and enriching.
Which local dishes should travelers from Seattle try when visiting London?
Travelers from Seattle should definitely sample classic British fare while in London. Local favorites include fish and chips, a hearty full English breakfast, bangers and mash, and a traditional Sunday roast. These dishes are typically available in local pubs or small eateries, with prices generally ranging from £8 to £15 per meal. Moreover, exploring food markets can introduce you to regional specialties like pie and mash or a variety of street foods that showcase the city’s culinary diversity.
What are the best family-friendly activities in London for visitors from Seattle?
London offers a wealth of family-friendly activities perfect for visitors from Seattle. Popular destinations include the Natural History Museum, London Zoo, and the interactive Science Museum, all of which are both educational and entertaining. The London Eye provides panoramic views and a fun experience for all ages. Additionally, large parks like Hyde Park and Regent’s Park offer outdoor recreational opportunities. Planning your day with a mix of museum visits and outdoor time ensures a balanced, engaging experience for the whole family.
What are the most affordable dining options in London for travelers from Seattle?
For budget-conscious travelers from Seattle, London offers a variety of affordable dining options. Local pubs serve traditional dishes at reasonable prices, typically ranging from £8 to £15 per meal. Street food markets, such as Borough Market and Camden Market, provide a range of international and local bites often for as little as £5 to £10. Casual cafes and chain restaurants are also abundant in many neighborhoods, providing quality meals without the premium price tag. Exploring these local venues can yield both delicious and economical dining experiences.
Is there a specific time of year when London is best visited by travelers from Seattle?
Yes, spring (April to June) and autumn (September to October) are often considered the best times to visit London for travelers from Seattle. During these periods, the weather is mild and the city's attractions are less crowded compared to the high summer season. Additionally, you might catch seasonal events that showcase local culture. It’s advisable to pack layers since temperatures can vary. Booking accommodations and activities in advance during these periods can help secure better rates, ensuring a more enjoyable travel experience.
What are the customs requirements for travelers flying from Seattle to London?
Travelers flying from Seattle to London must adhere to customs requirements that include possessing a valid passport and, if required, an appropriate visa. Ensure that all personal belongings are declared if they exceed the limit set by UK customs regulations. Be prepared to show proof of onward travel and sometimes evidence of sufficient funds for your stay. It’s advisable to review the most current guidelines provided by the UK government before departure, as policies can change. Keeping updated documentation and arriving early at customs can help smooth your arrival process.
What are the best shopping districts in London for travelers from Seattle?
London offers several premier shopping districts that travelers from Seattle can explore. Oxford Street boasts major international brands and department stores, while Covent Garden is known for its boutique shops, artisanal items, and vibrant street performances. Westfield London is another expansive venue offering a mix of high street and luxury retail outlets. Remember to check for seasonal sales or discounts, and plan your visit during off-peak hours. These options cater to a variety of tastes and budgets, ensuring a fulfilling shopping experience in the heart of London.
Are there any seasonal events in London that travelers from Seattle should not miss?
Yes, London hosts several seasonal events that travelers from Seattle should consider. Highlights include the summer Notting Hill Carnival, the magical Winter Wonderland at Hyde Park, and various cultural festivals during spring and autumn. These events offer authentic local experiences, from vibrant parades to festive markets and outdoor shows. It is advisable to check event dates in advance and book tickets where necessary, as these events can become very popular. Embracing the local calendar can add a unique and memorable dimension to your visit.
What are the best car rental options in London for travelers from Seattle?
Travelers from Seattle looking to rent a car in London will find options through major companies such as Europcar, Hertz, and Enterprise. Rental rates are typically in the range of £30 to £70 per day, with additional fees for insurance, GPS, or additional drivers. It’s important to note that driving in central London can be challenging due to congestion charges and narrow roads, so planning ahead is essential. Compare online reviews and reservation policies to ensure you get the best deal and service that meets your specific travel needs.
What safety tips should travelers from Seattle keep in mind while visiting London?
Travelers from Seattle visiting London should prioritize safety by being alert in crowded areas, keeping an eye on personal belongings, and using designated transportation services. It is advisable to avoid isolated or poorly lit areas at night and to be cautious when using ATMs. Stay informed of local news or transit alerts and always have emergency contact information handy. Additionally, familiarize yourself with local customs and laws to ensure respectful interactions. Taking these precautions will help ensure a secure and enjoyable visit to London.
What unique cultural experiences can travelers from Seattle enjoy in London?
Travelers from Seattle can immerse themselves in London’s diverse cultural scene by attending West End theatre productions, exploring art galleries like the Tate Modern, and visiting historic sites such as the British Museum. Beyond the usual tourist landmarks, experiencing local markets in neighborhoods like Camden or Notting Hill provides insights into the city’s creative energy. Participating in traditional afternoon tea sessions or local festivals also adds a unique flavor to your visit. These varied cultural experiences highlight London’s blend of history, art, and modern urban life.
What airport amenities in London are available for travelers arriving from Seattle?
London’s major airports, including Heathrow and Gatwick, provide a wide range of amenities for travelers from Seattle. Expect comfortable lounges with Wi-Fi access, a variety of dining options, duty-free shopping, and even spa services in some terminals. Additionally, these airports often offer business centers, charging stations, and baby care facilities. Prices at dining outlets typically range from £10 to £25 depending on the cuisine. It’s a good idea to check your specific airport’s website for the latest updates on available amenities and any special services that can enhance your travel experience.
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