One Way

Popular Filters

+ 1 more

One Way Price

SGD 990 SGD 2,200

Duration

9 h 15 m 34 h 30 m

Stops From Seattle

Departure From Seattle

Before 6 AM

SGD 1,093

6 AM - 12 PM

SGD 1,099

12 PM - 6 PM

SGD 1,760

After 6 PM

SGD 990

Arrival at London

6 AM - 12 PM

SGD 1,099

12 PM - 6 PM

SGD 1,020

After 6 PM

SGD 990

Alliances & Airlines

Oneworld

(5)

SkyTeam

(10)

Star Alliance

(3)

+ 4 more

Layover Airports

Layover Duration

1 h 0 m 24 h 0 m

Seattle To London Flights

Book Seattle to London flight tickets at lowest price. Get best deals on your upcoming Seattle to London flights only on MakeMyTrip. Also Book London to Seattle Flights. Currently 18 flights flying from Seattle to London. To save maximum on flight booking click on below Fare Calendar button and choose your dates.Avail Zero Cancellation for flight bookings.


Sorted By:
Departure
Duration
Arrival
Price
Price last updated at 23 Jun 2026 16:45:53
Condor

SGD 990

Seattle to London - Gatwick Apt , 26 Jun

Condor DE | 2033

18:00

Fri, 26 Jun 26

Seattle, United States

10 h

13:00

Sat, 27 Jun 26

Terminal T1

Frankfurt, Germany

BAGGAGE : CHECK INCABIN

Information not available

Condor DE | 4317

18:15

Sat, 27 Jun 26

Terminal T1

Frankfurt, Germany

01 h 35 m

18:50

Sat, 27 Jun 26

Terminal N

London - Gatwick Apt, United Kingdom

BAGGAGE : CHECK INCABIN

Information not available

Condor

SGD 1,020

Seattle to London - Gatwick Apt , 26 Jun

Condor DE | 2033

18:00

Fri, 26 Jun 26

Seattle, United States

10 h

13:00

Sat, 27 Jun 26

Terminal T1

Frankfurt, Germany

BAGGAGE : CHECK INCABIN

Information not available

Condor DE | 4245

14:00

Sat, 27 Jun 26

Terminal T1

Frankfurt, Germany

01 h 40 m

14:40

Sat, 27 Jun 26

Terminal N

London - Gatwick Apt, United Kingdom

BAGGAGE : CHECK INCABIN

Information not available

United Airlines

SGD 1,093

Transit Visa may be required

Seattle to London - Heathrow Apt , 26 Jun

United Airlines UA | 6614 | Operated By Air Canada

05:45

Fri, 26 Jun 26

Seattle, United States

01 h 15 m

07:00

Fri, 26 Jun 26

Terminal M

Vancouver, Canada

BAGGAGE : CHECK INCABIN

Information not available

United Airlines UA | 8582 | Operated By Air Canada

20:10

Fri, 26 Jun 26

Terminal M

Vancouver, Canada

09 h 10 m

13:20

Sat, 27 Jun 26

Terminal T2

London - Heathrow Apt, United Kingdom

BAGGAGE : CHECK INCABIN

Information not available

Virgin Atlantic

SGD 1,096

Seattle to London - Heathrow Apt , 26 Jun

Virgin Atlantic VS | 106

18:15

Fri, 26 Jun 26

Seattle, United States

09 h 50 m

12:05

Sat, 27 Jun 26

Terminal T3

London - Heathrow Apt, United Kingdom

BAGGAGE : CHECK INCABIN

Information not available

Virgin Atlantic

More Timing Options

SGD 1,099

Seattle to London - Heathrow Apt , 26 Jun

Virgin Atlantic VS | 4037 | Operated By Delta Air Lines

22:05

Fri, 26 Jun 26

Seattle, United States

09 h 30 m

15:35

Sat, 27 Jun 26

Terminal T3

London - Heathrow Apt, United Kingdom

BAGGAGE : CHECK INCABIN

Information not available

Delta Air Lines

SGD 1,102

Seattle to London - Heathrow Apt , 26 Jun

Delta Air Lines DL | 5974 | Operated By Virgin Atlantic

18:15

Fri, 26 Jun 26

Seattle, United States

09 h 50 m

12:05

Sat, 27 Jun 26

Terminal T3

London - Heathrow Apt, United Kingdom

BAGGAGE : CHECK INCABIN

Information not available

Air France

SGD 1,137

Seattle to London - Heathrow Apt , 26 Jun

Air France AF | 3603 | Operated By Delta Air Lines

22:05

Fri, 26 Jun 26

Seattle, United States

09 h 30 m

15:35

Sat, 27 Jun 26

Terminal T3

London - Heathrow Apt, United Kingdom

BAGGAGE : CHECK INCABIN

Information not available

Alaska Airlines

SGD 1,409

Seattle to London - Heathrow Apt , 26 Jun

Alaska Airlines AS | 100

21:45

Fri, 26 Jun 26

Seattle, United States

09 h 20 m

15:05

Sat, 27 Jun 26

Terminal T3

London - Heathrow Apt, United Kingdom

BAGGAGE : CHECK INCABIN

Information not available

American Airlines

SGD 1,760

Seattle to London - Heathrow Apt , 26 Jun

American Airlines AA | 6909 | Operated By British Airways

13:30

Fri, 26 Jun 26

Seattle, United States

09 h 15 m

06:45

Sat, 27 Jun 26

Terminal T5

London - Heathrow Apt, United Kingdom

BAGGAGE : CHECK INCABIN

Information not available

Finnair

SGD 1,820

Seattle to London - Heathrow Apt , 26 Jun

Finnair AY | 5450 | Operated By British Airways

13:30

Fri, 26 Jun 26

Seattle, United States

09 h 15 m

06:45

Sat, 27 Jun 26

Terminal T5

London - Heathrow Apt, United Kingdom

BAGGAGE : CHECK INCABIN

Information not available

Seattle to London Flights Information:-

Looking for Seattle to London 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 London is City and the IATA code for the same is LON.
Currently, there are 10 airlines operating flights between the two destinations and approximately 18 flights take off from Seattle to London every week.

Need information on Seattle to London airfare?

The minimum airfare for a Seattle to London flight would be 990, which may go up to 2191 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 Seattle to London

If you are looking for Seattle to London 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 Air Canada, Air France, Alaska Airlines, American Airlines, Condor, Delta Air Lines, Finnair, KLM Royal Dutch, United Airlines, Virgin Atlantic. Out of these, only 11 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:Air Canada : 1, Air France : 1, Alaska Airlines : 1, American Airlines : 1, Condor : 1, Delta Air Lines : 1, Finnair : 1, KLM Royal Dutch : 1, United Airlines : 1, Virgin Atlantic : 1

To board the first Seattle to London flight, choose United Airlines, which departs at 05:45 The last flight for this route is Air France, departing at 22:05

London Airport Information

City

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.

Important Information about Seattle to London Flight

Lowest Fare to Travel with Date SGD 990- 26 Jun
Total flights from Seattle to London in a week 18 Flights
First Flight United Airlines, departs at 05:45
Last FlightAir France, departs at 22:05
Non-Stop Flights from Seattle to London11
Airport Name & codes of Seattle & London Seattle Airport, Seattle-SEA, City,London-LON

Seattle Address

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

About London (LON)

London is a city that effortlessly blends history with modernity, making it a must-visit destination for travelers from Singapore. As one of the world's most iconic cities, London offers a wealth of experiences, from its historic landmarks to its vibrant cultural scene. Whether you're exploring centuries-old architecture or indulging in the latest fashion trends, London promises an unforgettable adventure.

Best Time to Visit

The best time to visit London from Singapore is during the spring (March to May) and autumn (September to November) when the weather is mild and the city is less crowded. Summer (June to August) is peak tourist season, offering warm weather and numerous outdoor events, but it can be quite busy. Winter (December to February) is colder, but the festive atmosphere and holiday decorations can make it a magical time to visit.

Getting There

Flights from Singapore to London are frequent and convenient, with direct flights available from Changi Airport (SIN) to Heathrow Airport (LHR) and Gatwick Airport (LGW). Some of the best airlines for this route include Singapore Airlines, British Airways, and Emirates. Singapore citizens can enter the UK without a visa for short stays up to six months; however, ensure your passport is valid for the duration of your stay.

Where to Stay

London offers a wide range of accommodation options to suit all budgets. For luxury, consider hotels in areas like Mayfair and Knightsbridge. Mid-range options are plentiful in Kensington and Bloomsbury, while budget travelers might prefer hostels or budget hotels in areas like Camden and Shoreditch. Staying central ensures easy access to major attractions.

Must-See Places & Experiences

โ€ข The British Museum
โ€ข Buckingham Palace
โ€ข The Tower of London
โ€ข The London Eye
โ€ข Hyde Park
โ€ข Camden Market
โ€ข Covent Garden
โ€ข The West End for theatre shows
โ€ข Day trips to Windsor Castle or Stonehenge

Local Transportation

Getting around London is easy with its extensive public transport system. The London Underground (Tube) is the fastest way to travel across the city. Buses are a scenic option for shorter distances, and taxis are readily available. For airport transfers, the Heathrow Express and Gatwick Express offer quick connections to central London.

Food & Dining

London's culinary scene is diverse and exciting. Must-try dishes include fish and chips, Sunday roast, and afternoon tea. For a taste of local cuisine, visit Borough Market or dine at traditional pubs. For fine dining, consider restaurants like The Ledbury or Sketch. Chinatown offers fantastic Asian food options.

Practical Travel Tips

โ€ข Currency: British Pound (GBP)
โ€ข Language: English
โ€ข Safety: London is generally safe, but always be aware of your surroundings
โ€ข Useful Apps: Citymapper for transport, OpenTable for restaurant reservations
โ€ข Electrical Outlets: UK uses Type G sockets, so bring an adapter

Incorporating these tips and insights will ensure a smooth and enjoyable trip to London for travelers from Singapore.

London Address

Frequently Asked Questions - Seattle to London Flights

Is passport mandatory to travel from Seattle to London?

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 Seattle to London?

To get cheap flight tickets from Seattle to London, 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 Seattle (SEA) to London (LON) is to book atleast 4 weeks in advance before your departure date to get competitive pricing on your tickets even during the peak season.

Which airlines offer cheapest airfare from Seattle to London?

There is no set pricing for airlines to offer cheap flight fare from Seattle to London. 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 Seattle to London.

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

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

There are several accommodation options available near the City. 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.

Can I cancel my ticket from Seattle to London 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.

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

Some travel portals like MakeMyTrip offer flexible departure and arrival booking option with certain air carrier when booking from Seattle to London. 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.