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Flight Deals from London Heathrow Airport to Seattle from $499

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Stops

  • Nonstop
    from $671
  • Up to 1 stop
    $644
  • 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
    $766
  • JetBlue
    $817
  • Lufthansa
    $685
  • SAS Airlines
    $705
  • SWISS
    $704
  • United Airlines
    $646
  • Virgin Atlantic
    $698

Cabin Class

  • Economy
    $644

Departure Airports

  • London Heathrow Airport
    $644

Arrival Airports

  • Seattle Tacoma International Airport
    $644

Layover Airports

  • Amsterdam Airport Schiphol
    $698
  • Brussels Airport
    $835
  • Charlotte Douglas International Airport
    $657
  • Chicago O Hare Airport
    $666
  • 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
    $817
  • Helsinki Vantaa Airport
    $653
  • Montreal Trudeau Airport
    $644
  • Munich Airport
    $644
  • New York John F Kennedy Airport
    $817
  • Newark Liberty Airport
    $978
  • Oslo Gardermoen Airport
    $734
  • Paris Charles de Gaulle Airport
    $700
  • Philadelphia International Airport
    $706
  • Phoenix Sky Harbor International Airport
    $752
  • Reykjavik Keflavik Airport
    $766
  • 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
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

09/15/25

SEA
31h 41m
CLT

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
United Airlines Logo
United Airlines

08/27/25

LHR
4h 26m
YVR

08/27/25

SEA
United Airlines Logo
United Airlines

09/17/25

SEA
23h 20m
ORD

09/18/25

LHR
$666
Free cancellation within 83 hours of booking
IBERIA Logo
IBERIA

08/26/25

LHR
1h 50m
Direct

08/26/25

SEA
IBERIA Logo
IBERIA

09/18/25

SEA
17h 20m
Direct

09/19/25

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

08/26/25

LHR
1h 50m
Direct

08/26/25

SEA
British Airways Logo
British Airways

09/18/25

SEA
17h 20m
Direct

09/19/25

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

08/24/25

LHR
18h 20m
CPH

08/25/25

SEA
SAS Airlines Logo
SAS Airlines

09/10/25

SEA
24h
CPH

09/11/25

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
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
British Airways Logo
British Airways

08/18/25

LHR
8h 29m
DFW

08/19/25

SEA
British Airways Logo
British Airways

09/16/25

SEA
24h 59m
PHX

09/17/25

LHR
$752
Free cancellation within 83 hours of booking
Brussels Airlines Logo
Brussels Airlines

08/18/25

LHR
6h 24m
DEN

08/18/25

SEA
Brussels Airlines Logo
Brussels Airlines

09/16/25

SEA
20h 44m
DEN

09/17/25

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

09/03/25

LHR
7h 35m
KEF

09/03/25

SEA
Icelandair Logo
Icelandair

09/17/25

SEA
20h 10m
KEF

09/18/25

LHR
$766
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
JetBlue Logo
JetBlue

08/26/25

LHR
8h 38m
JFK

08/26/25

SEA
JetBlue Logo
JetBlue

09/17/25

SEA
22h 5m
BOS

09/18/25

LHR
$817
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
United Airlines Logo
United Airlines

08/15/25

LHR
5h 25m
FRA

08/15/25

SEA
United Airlines Logo
United Airlines

09/14/25

SEA
23h 15m
EWR

09/15/25

LHR
$978
Free cancellation within 83 hours of booking

Top Deals on flights from London Heathrow Airport to Seattle

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

Aer Lingus Logo
Aer Lingus

Sep 15

LHR
8h
DUB

Sep 15

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 16

LHR
12h 24m
DUB
ORD

Sep 16

SEA

as low as

$567

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

WestJet Logo
WestJet

Sep 11

LHR
22h 23m
YYC
YEG

Sep 12

SEA

as low as

$574

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

Icelandair Logo
Icelandair

Nov 4

LHR
4h 45m
KEF

Nov 4

SEA

as low as

$722

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

JetBlue Logo
JetBlue

Sep 16

LHR
10h 17m
JFK

Sep 16

SEA

as low as

$751

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

JetBlue Logo
JetBlue

Sep 26

LHR
26h 4m
JFK
BOS

Sep 27

SEA

as low as

$890

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

American Airlines Logo
American Airlines

Sep 22

LHR
1h 50m
Direct

Sep 22

SEA

as low as

$904

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

American Airlines Logo
American Airlines

Sep 2

LHR
18h 19m
DFW

Sep 3

SEA

as low as

$914

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

American Airlines Logo
American Airlines

Sep 16

LHR
9h 8m
PHL

Sep 16

SEA

as low as

$914

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

Finnair Logo
Finnair

Nov 3

LHR
1h 55m
Direct

Nov 3

SEA

as low as

$916

Frequently Asked Questions

What is the typical flight duration from London Heathrow Airport to Seattle?
The typical flight duration from London Heathrow Airport to Seattle ranges between 9 and 11 hours for a direct flight. Weather conditions, air traffic, and seasonal scheduling may push the travel time slightly higher on some days. Travelers should plan for possible delays if connecting flights are involved, where the total journey can extend significantly. It is advisable to check flight statuses before departure, as well as considering potential layover durations if a direct flight option is unavailable.
Are there any direct flights from London Heathrow Airport to Seattle?
Yes, there are direct flight options available from London Heathrow to Seattle, though availability depends on seasonal schedules and airline operations. Certain carriers operate nonstop routes, offering a more efficient travel experience by reducing overall transit time. However, during off-peak periods or when schedule adjustments occur, connecting flights might become the alternative. It is essential to check current schedules and compare prices while planning, as flight frequencies and routes may vary throughout the year.
What are the best transportation options from Seattle airport to downtown?
For travelers landing at Seattle’s airport, viable transportation options include the Link Light Rail, which offers a convenient service to downtown with fares ranging from $2.25 to $3.50 per ride. Additionally, rideshares like Uber or Lyft cost approximately $30 to $50, while shuttle services may fall in the $20 to $30 range. Car rental services are also available at the airport for greater flexibility. Each option provides varying levels of comfort and convenience, so evaluate your budget and travel needs ahead of time.
What are the must-see attractions in Seattle for travelers arriving from London?
Travelers arriving from London should consider exploring iconic sites such as the Space Needle, known for its panoramic views of the city. Pike Place Market offers a delightful blend of local culture and culinary experiences, and the Chihuly Garden and Glass exhibit showcases stunning art installations. The Museum of Pop Culture and Seattle Waterfront provide additional cultural and recreational activities. Each attraction offers a unique insight into Seattle’s vibrant local culture, making them essential stops for visitors seeking memorable local experiences.
Which local dishes should travelers from London try when visiting Seattle?
Travelers from London visiting Seattle should try the region’s renowned seafood offerings, including fresh Pacific salmon and Dungeness crab dishes. The local clam chowder and seasonal salmon chowder are popular as well. Additionally, Seattle’s coffee culture is unmatched, so stopping by local cafés is a must. Don’t miss regional specialties at Pike Place Market, where you can sample a variety of artisanal foods and street fare, providing a delicious insight into the culinary spirit of the area.
What are the best family-friendly activities in Seattle for visitors from London?
Seattle offers many family-friendly activities suited for visitors from London. The Seattle Great Wheel provides enjoyable rides with scenic views, while the Woodland Park Zoo presents an opportunity to observe wildlife in an engaging setting. Interactive experiences at the Pacific Science Center and hands-on exhibits at local museums keep children entertained. Additionally, the Seattle Aquarium offers educational marine displays. These activities ensure that families have plenty of fun activities tailored to both children and adults while exploring local culture and natural beauty.
Are there any seasonal events in Seattle that travelers from London should not miss?
Yes, Seattle hosts several seasonal events that visitors from London should not miss. The Seattle International Film Festival draws film enthusiasts during the fall, while the summer sees vibrant festivities including outdoor concerts and cultural gatherings like Seafair. Art fairs, food festivals, and local parades further embellish the vibrant city calendar. It is advisable to check event dates in advance, as precise timing and offerings can vary from year to year, ensuring you can fully partake in Seattle’s unique seasonal celebrations.
What are the most affordable dining options in Seattle for travelers from London?
Affordable dining in Seattle can be found in several local spots. Food trucks and casual eateries around Pike Place Market offer fresh and inexpensive meals, with prices ranging from $10 to $20 per dish. Neighborhood diners and local cafés provide budget-friendly options with diverse menus representing international flavors. Additionally, ethnic neighborhoods in the city host a variety of small restaurants where meals typically range between $8 and $15. These establishments deliver both local flavor and value, making them excellent choices for cost-conscious travelers.
What are the customs requirements for travelers flying from London to Seattle?
Travelers flying from London to Seattle must adhere to U.S. customs requirements which include filling out an arrival form, presenting a valid passport, and ensuring that any necessary visas or ESTA approvals are in order before boarding. It is also important to declare any items that might be subject to duties. Make sure to review current TSA guidelines and check the U.S. Customs and Border Protection website for any updates regarding prohibited items or additional documentation. Being well-prepared can help streamline the entry process upon arrival.
What are the best shopping districts in Seattle for travelers from London?
Seattle boasts several shopping districts that appeal to visitors from London. Downtown areas like Pacific Place and Westlake Center offer a mix of upscale and boutique retailers. Additionally, University Village provides a charming outdoor shopping experience with unique local brands and artisanal products. Pike Place Market is ideal for picking up locally crafted souvenirs, fresh produce, and specialty foods. Each district provides a distinctive shopping ambiance, catering to varied tastes while highlighting the vibrant local culture inherent to Seattle’s retail scene.
Is there a specific time of year when Seattle is best visited by travelers from London?
Yes, the best time to visit Seattle is generally during the summer months, from June to August, when the weather is mild and outdoor activities are at their peak. Early fall also offers pleasant temperatures and fewer crowds. These periods allow visitors to comfortably explore attractions and partake in local events. However, every season has its own charm, so planning according to your interests, be it festivals or indoor cultural tours, can enhance your trip. Checking local weather and event schedules in advance is advisable.
What are the health and safety tips for travelers from London visiting Seattle?
Travelers from London should prioritize basic health and safety measures when visiting Seattle. Stay updated on local weather conditions since the city can experience sudden changes, particularly in rainy seasons. Keep emergency contacts handy and locate the nearest medical facilities. Practice common safety protocols in crowded public areas, and consider travel insurance that covers unforeseen medical needs. It’s recommended to be mindful of your belongings and follow local news for any travel advisories, ensuring a safe experience while enjoying the city’s cultural and recreational attractions.
What are the best car rental options in Seattle for travelers from London?
Seattle offers a variety of reputable car rental options conveniently available at the airport and within the city. Major companies like Avis, Hertz, Enterprise, and Budget provide competitive rates ranging from $40 to $100 per day, depending on the car model and rental duration. It is advisable to compare deals online, as promotions and discounts may be available during off-peak seasons. For a hassle-free experience, consider booking in advance and checking reviews to ensure that the selected option meets your needs for comfort and convenience during your stay.
Are there any unique airport amenities in Seattle for travelers arriving from London?
Yes, the airport in Seattle offers several unique amenities designed to enhance the travel experience for those arriving from London. Travelers can enjoy a diverse range of dining options, retail outlets, and comfortable lounges. The airport often features local art installations and interactive exhibits, providing a glimpse of the region’s culture while waiting for connecting flights. Additionally, modern facilities such as free Wi-Fi and charging stations help keep you connected. Exploring these amenities can make your transition from the busy international hub smoother and more enjoyable.
What are the best seating options for families traveling from London to Seattle?
Families traveling from London to Seattle should consider selecting seating arrangements that provide extra space and comfort. Bulkhead seats or those in exit rows, if available and approved by the airline, often offer additional legroom, which can be ideal for accommodating little ones and luggage. Many airlines now offer family seating options allowing for easier interaction and safety measures. It is recommended to book early and specify your seating needs during reservation or check-in. This proactive approach ensures that families have a more comfortable and enjoyable flight experience.

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