One Way

Popular Filters

+ 1 more

Arrival Airports

One Way Price

USD 764 USD 1,900

Duration

9 h 45 m 39 h 0 m

Stops From London

Departure From London

6 AM - 12 PM

USD 764

12 PM - 6 PM

USD 972

After 6 PM

USD 1,015

Arrival at Seattle

6 AM - 12 PM

USD 1,735

12 PM - 6 PM

USD 988

After 6 PM

USD 764

Alliances & Airlines

Oneworld

(11)

SkyTeam

(1)

Star Alliance

(5)

+ 4 more

Layover Airports

+ 1 more

Layover Duration

2 h 35 m 22 h 30 m

London (LON) to Seattle (SEA) Cheap Flights

Book London to Seattle cheap flight tickets โœˆ at lowest price. Get best deals on your upcoming London (LON)to Seattle (SEA) flights only on MakeMyTrip. Also Book Seattle to London Cheap Flights. Currently 20 flights flying from London to Seattle. To save maximum on flight booking click on below Fare Calendar button and choose your dates.

Sorted By:
Departure
Duration
Arrival
Price
Price last updated at 26 Jun 2026 13:41:10
Condor, Alaska Airlines

USD 764

Transit Visa may be required

London - Gatwick Apt to Seattle , 29 Jun

Condor DE | 4122

10:20

Mon, 29 Jun 26

Terminal N

London - Gatwick Apt, United Kingdom

01 h 30 m

12:50

Mon, 29 Jun 26

Terminal T1

Frankfurt, Germany

BAGGAGE : CHECK INCABIN

Information not available

Condor DE | 2050

15:25

Mon, 29 Jun 26

Terminal T1

Frankfurt, Germany

09 h 40 m

15:05

Mon, 29 Jun 26

Terminal N

Anchorage, United States

BAGGAGE : CHECK INCABIN

Information not available

Alaska Airlines AS | 544

17:23

Mon, 29 Jun 26

Terminal S

Anchorage, United States

03 h 35 m

21:58

Mon, 29 Jun 26

Seattle, United States

BAGGAGE : CHECK INCABIN

Information not available

JetBlue Airways

USD 1,012

USD 972

London - Gatwick Apt to Seattle , 29 Jun

JetBlue Airways B6 | 1926

12:20

Mon, 29 Jun 26

Terminal N

London - Gatwick Apt, United Kingdom

07 h 55 m

15:15

Mon, 29 Jun 26

Terminal E

Boston, United States

BAGGAGE : CHECK INCABIN

Information not available

JetBlue Airways B6 | 197

19:24

Mon, 29 Jun 26

Terminal C

Boston, United States

06 h 25 m

22:49

Mon, 29 Jun 26

Seattle, United States

BAGGAGE : CHECK INCABIN

Information not available

Turkish Airlines

USD 1,028

USD 988

Transit Visa may be required

London - Gatwick Apt to Seattle , 29 Jun

Turkish Airlines TK | 1982

10:50

Mon, 29 Jun 26

Terminal S

London - Gatwick Apt, United Kingdom

04 h

16:50

Mon, 29 Jun 26

Istanbul, Turkey

BAGGAGE : CHECK INCABIN

Information not available

Turkish Airlines TK | 203

15:00

Tue, 30 Jun 26

Istanbul, Turkey

12 h 20 m

17:20

Tue, 30 Jun 26

Seattle, United States

BAGGAGE : CHECK INCABIN

Information not available

JetBlue Airways

USD 1,049

USD 1,008

London - Heathrow Apt to Seattle , 29 Jun

JetBlue Airways B6 | 1621

08:40

Mon, 29 Jun 26

Terminal T2

London - Heathrow Apt, United Kingdom

07 h 54 m

11:34

Mon, 29 Jun 26

Terminal E

Boston, United States

BAGGAGE : CHECK INCABIN

Information not available

JetBlue Airways B6 | 197

19:24

Mon, 29 Jun 26

Terminal C

Boston, United States

06 h 25 m

22:49

Mon, 29 Jun 26

Seattle, United States

BAGGAGE : CHECK INCABIN

Information not available

Turkish Airlines

More Timing Options

USD 1,015

Transit Visa may be required

London - Heathrow Apt to Seattle , 29 Jun

Turkish Airlines TK | 1988

06:30

Mon, 29 Jun 26

Terminal T2

London - Heathrow Apt, United Kingdom

03 h 55 m

12:25

Mon, 29 Jun 26

Istanbul, Turkey

BAGGAGE : CHECK INCABIN

Information not available

Turkish Airlines TK | 203

15:00

Mon, 29 Jun 26

Istanbul, Turkey

12 h 20 m

17:20

Mon, 29 Jun 26

Seattle, United States

BAGGAGE : CHECK INCABIN

Information not available

Turkish Airlines

USD 1,021

Transit Visa may be required

London - Heathrow Apt to Seattle , 29 Jun

Turkish Airlines TK | 1980

11:20

Mon, 29 Jun 26

Terminal T2

London - Heathrow Apt, United Kingdom

03 h 55 m

17:15

Mon, 29 Jun 26

Istanbul, Turkey

BAGGAGE : CHECK INCABIN

Information not available

Turkish Airlines TK | 203

15:00

Tue, 30 Jun 26

Istanbul, Turkey

12 h 20 m

17:20

Tue, 30 Jun 26

Seattle, United States

BAGGAGE : CHECK INCABIN

Information not available

Royal Air Maroc, Alaska Airlines

USD 1,098

USD 1,055

Transit Visa may be required

London - Heathrow Apt to Everett , 29 Jun

Royal Air Maroc AT | 801

18:10

Mon, 29 Jun 26

Terminal T4

London - Heathrow Apt, United Kingdom

03 h 20 m

21:30

Mon, 29 Jun 26

Terminal T2

Casablanca, Morocco

BAGGAGE : CHECK INCABIN

Information not available

Royal Air Maroc AT | 250

04:00

Tue, 30 Jun 26

Terminal T1

Casablanca, Morocco

12 h 20 m

08:20

Tue, 30 Jun 26

Terminal B

Los Angeles, United States

BAGGAGE : CHECK INCABIN

Information not available

Alaska Airlines AS | 2279

15:53

Tue, 30 Jun 26

Terminal T6

Los Angeles, United States

02 h 43 m

18:36

Tue, 30 Jun 26

Everett, United States

BAGGAGE : CHECK INCABIN

Information not available

Delta Air Lines

USD 1,233

USD 1,184

London - Heathrow Apt to Seattle , 29 Jun

Delta Air Lines DL | 21

17:45

Mon, 29 Jun 26

Terminal T3

London - Heathrow Apt, United Kingdom

10 h 16 m

20:01

Mon, 29 Jun 26

Seattle, United States

BAGGAGE : CHECK INCABIN

Information not available

Alaska Airlines

USD 1,431

London - Heathrow Apt to Seattle , 29 Jun

Alaska Airlines AS | 101

17:00

Mon, 29 Jun 26

Terminal T3

London - Heathrow Apt, United Kingdom

09 h 45 m

18:45

Mon, 29 Jun 26

Seattle, United States

BAGGAGE : CHECK INCABIN

Information not available

Finnair

USD 1,807

USD 1,735

London - Heathrow Apt to Seattle , 29 Jun

Finnair AY | 5451 | Operated By British Airways

09:50

Mon, 29 Jun 26

Terminal T5

London - Heathrow Apt, United Kingdom

09 h 45 m

11:35

Mon, 29 Jun 26

Seattle, United States

BAGGAGE : CHECK INCABIN

Information not available

London to Seattle Flights Information:-

Looking for London to Seattle Flight? Hereโ€™s all you need to know! For convenience and to save time, pick the airport that is closest to your destination. The nearest airport to Seattle is Seattle Airport and the IATA code for the same is SEA.
Currently, there are 10 airlines operating flights between the two destinations and approximately 20 flights take off from London to Seattle every week.

Need information on London to Seattle airfare?

The minimum airfare for a London to Seattle flight would be 764, which may go up to 1820 depending on the route, booking time and availability.
It is recommended that you book a round-trip, since it always works out to be more economical.

Flight Details for London to Seattle

If you are looking for London to Seattle flights, there is no dearth of options to choose from. Several reputed airlines currently offer both direct and indirect flights between the two destinations. Some of these are Aer Lingus, Alaska Airlines, American Airlines, British Airways, Condor, Delta Air Lines, Finnair, JetBlue Airways, Royal Air Maroc, Turkish Airlines. Out of these, only 10 airlines operate direct flights. Indirect flights may involve more travel time, but they usually cost lesser than direct flights.

The number of flights operated by each airline is as follows:Aer Lingus : 2, Alaska Airlines : 2, American Airlines : 2, British Airways : 2, Condor : 2, Delta Air Lines : 2, Finnair : 2, JetBlue Airways : 2, Royal Air Maroc : 2, Turkish Airlines : 2

To board the first London to Seattle flight, choose Turkish Airlines, which departs at 06:30 The last flight for this route is Turkish Airlines, departing at 18:30

Seattle Airport Information

Seattle Airport
Seattle-Tacoma International Airport
17801 International Boulevard
Seattle
Washington
United States
Tel: +1-206-787-3000

About London (LON)

London is a vibrant and dynamic city that effortlessly blends history with modernity, making it an irresistible destination for travelers from the United States. As the capital of the United Kingdom, London offers a rich tapestry of cultural experiences, iconic landmarks, and a cosmopolitan atmosphere that appeals to visitors of all ages. From the grandeur of Buckingham Palace to the bustling streets of Covent Garden, London promises an unforgettable adventure.

Best Time to Visit

The best time to visit London is during the spring (March to May) and fall (September to November) when the weather is mild and the city's parks and gardens are in full bloom. Summer (June to August) is also a popular time, with long daylight hours and numerous outdoor events, but it can be crowded and expensive. Winter (December to February) offers festive charm with Christmas markets and decorations, but be prepared for colder temperatures and shorter days.

Getting There

London is well-connected to the United States with numerous direct flights available from major cities such as New York, Los Angeles, and Chicago. The primary airports serving London are Heathrow (LHR), Gatwick (LGW), and Stansted (STN). Airlines like British Airways, American Airlines, and Virgin Atlantic offer frequent flights to London. United States citizens need a valid passport to enter the UK, and stays up to six months do not require a visa.

Where to Stay

London offers a wide range of accommodations to suit all budgets. For luxury, consider staying in Mayfair or Knightsbridge, home to some of the city's finest hotels. Budget travelers might prefer areas like King's Cross or Shoreditch, which offer affordable options and a vibrant atmosphere. South Bank and Covent Garden are great choices for those who want to be in the heart of the action, close to major attractions and dining options.

Must-See Places & Experiences

โ€ข The British Museum: Home to an extensive collection of art and antiquities.
โ€ข Tower of London: Discover the history of this iconic fortress.
โ€ข Buckingham Palace: Witness the Changing of the Guard ceremony.
โ€ข The Houses of Parliament and Big Ben: Iconic symbols of London.
โ€ข The London Eye: Enjoy panoramic views of the city.
โ€ข West End Theatre: Catch a world-class show in London's theatre district.
โ€ข Camden Market: Explore eclectic stalls and street food.
โ€ข The Shard: Experience breathtaking views from the observation deck.

Local Transportation

London's public transportation system is extensive and efficient. The London Underground, or

London Address

About Seattle (SEA)

Located in the state of Washington in the United States of America, Seattle is a city known for its architectural creations, cultural attractions and finest opportunities for recreation activities. Space Needle is an iconic symbol of the city is one of the major attractions of the city that offers stunning views of the city. No trip to Seattle can be considered complete without the inclusion of the Seattle Center on the itinerary. Boasting of several museums, theatres, gardens restaurants, fountains and performance venues, this is the centre of all entertainment activities in the city. Located in the downtown area of the city, Seattle Art Museum is another popular place of tourist interest. Stepping into this museum can give tourists a chance to catch a glimpse of the unique collection of Native American and Mesoamerican artworks on display. Museum of Flight, which beautifully traces the history and evolution of aviation, is also a worth-visiting museum. Olympic Sculpture Park features interesting sculpture creations by renowned artists in its beautifully landscaped gardens, perfect to explore with family and kids. Seattle waterfront is an excellent place to relax and discover the local scene. In short, this city is the perfect place to spend a fun-filled vacation with friends and family. To find the best travel package for this city, look no further MakeMyTrip.

Seattle Address

Seattle-Tacoma International Airport
17801 International Boulevard
Seattle
Washington
United States
Tel: +1-206-787-3000

Frequently Asked Questions - London to Seattle Flights

Is there a way to make flexible departure date bookings for your London to Seattle flight tickets?

Some travel portals like MakeMyTrip offer flexible departure and arrival booking option with certain air carrier when booking from London to Seattle. You can check the flexible booking flight options once you get the results filters based on your search and make the booking accordingly. Please note, some airlines make charge extra for flexible travel dates.

Is passport mandatory to travel from London to Seattle?

When making an international trip, passport is mandatory as it defines your identity to the other nation officials. The VISA norms may differ from country to country, which means some would allow Visa on arrival and others may require you to obtain visa in advance. But the availability of passport is mandatory at the time of departure and arrival as well.

What is the best time to book cheap flight tickets from London to Seattle?

To get cheap flight tickets from London to Seattle, the best time would be to plan your trip during the off season. At that time the flight tickets are usually cheaper than the peak season and the accommodation booking is also available at the affordable price. The other way of booking cheap flight tickets from London (LON) to Seattle (SEA) is to book atleast 4 weeks in advance before your departure date to get competitive pricing on your tickets even during the peak season.

How do MakeMyTrip finds the lowest available dare for flights from London to Seattle?

MakeMyTrip is a popular travel portal that also works as a travel search engine that allows you to see best available results for your flight search. Every time you make search for flights to any destination, the MMT algorithm picks all the available air carriers for the route and filter rates basis on the cheapest fare available in their system. At MMT, you can not only search flights on the basis of the fare, but you can also see which flight offers direct route, which has multiple stop-overs, baggage allowance, in-flight meal options, cancellation policy, etc. You can also check available discounts offered by payments partners and air carriers when booking the flight.

Can I cancel my ticket from London to Seattle without cancellation charges?

To avoid cancellation charges on your air tickets, you need to make a selection at the time of booking for ZERO cancellation. Please note, the zero cancellation facility is chargeable with minimum amount and can help you save a lot at the time sudden cancellations.

Can I find cheap accommodation near to airport when travelling from London to Seattle?

There are several accommodation options available near the Seattle Airport. You can check for both budget friendly and well as five star accommodation near the airport depending on your requirement and budget. These hotels are mostly suitable for business travellers.

Which airlines offer cheapest airfare from London to Seattle?

There is no set pricing for airlines to offer cheap flight fare from London to Seattle. These fares are mostly decided on the basis of algorithms followed by air carriers to final the prizing based on demand. However, some multiple route flights with stop-overs offer cheap flights as compared to direct flight departing from London to Seattle.